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203. TheSwiftGamma‐Ray Burst Mission

Author

Gehrels, N., Chincarini, G., Giommi, P., Mason, K. O., Nousek, J. A., Wells, A. A., White, N. E., Barthelmy, S. D., Burrows, D. N., Cominsky, L. R., Marshall, F. E., Meszaros, P., Roming, P. W. A., Angelini, L., Barbier, L. M., Belloni, T., Campana, S., Caraveo, P. A., Chester, M. M., Citterio, O., Cline, T. L., Cropper, M. S., Cummings, J. R., Dean, A. J., Feigelson, E. D., Fenimore, E. E., Frail, D. A., Fruchter, A. S., Garmire, G. P., Gendreau, K., Ghisellini, G., Greiner, J., Hill, J. E., Hunsberger, S. D., Krimm, H. A., Kulkarni, S. R., Kumar, P., Lebrun, F., Lloyd-Ronning, N. M., Markwardt, C. B., Mattson, B. J., Mushotzky, R. F., Norris, J. P., Osborne, J., Paczynski, B., Palmer, D. M., Park, H.-S., Parsons, A. M., Paul, J., Rees, M. J., Reynolds, C. S., Rhoads, J. E., Sasseen, T. P., Schaefer, B. E., Short, A. T., Smale, A. P., Smith, I. A., Stella, L., Tagliaferri, G., Takahashi, Tadayuki, Tashiro, Makoto, Gehrels, N, Chincarini, G, Giommi, P, Mason, K, Nousek, J, Wells, A, White, N, Barthelmy, S, Burrows, D, Cominsky, L, Hurley, K, Marshall, F, Meszaros, P, Roming, P, Angelini, L, Barbier, L, Belloni, T, Boyd, P, Campana, S, Caraveo, P, Chester, M, Citterio, O, Cline, T, Cropper, M, Cummings, J, Dean, A, Feigelson, E, Fenimore, E, Frail, D, Fruchter, A, Garmire, G, Gendreau, K, Ghisellini, G, Greiner, J, Hill, J, Hunsberger, S, Krimm, H, Kulkarni, S, Kumar, P, Lebrun, F, Lloyd Ronning, N, Markwardt, C, Mattson, B, Mushotzky, R, Norris, J, Paczynski, B, Palmer, D, Park, H, Parsons, A, Paul, J, Rees, M, Reynolds, C, Rhoads, J, Sasseen, T, Schaefer, B, Short, A, Smale, A, Smith, I, Stella, L, Still, M, Tagliaferri, G, Takahashi, T, Tashiro, M, Townsley, L, Tueller, J, Turner, M, Vietri, M, Voges, W, Ward, M, Willingale, R, Zerbi, F, and Zhang, W

Subjects
Physics, Swift Gamma-Ray Burst Mission, Astrophysics::High Energy Astrophysical Phenomena, GRB 050509B, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astronomy and Astrophysics, X-ray telescope, Gamma-ray astronomy, Astrophysics, law.invention, Telescope, FIS/05 - ASTRONOMIA E ASTROFISICA, Space and Planetary Science, law, Observatory, GRBs, Swift, GRB 090423, Gamma-ray burst
Abstract

著者人数: 71名, Accepted: 2004-04-14, 資料番号: SA1003385000

Published
2004
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204. This title is unavailable for guests, please login to see more information.

Author

Larson, R.~L., Finkelstein, S.~L., Pirzkal, N., Ryan, R., Tilvi, V., Malhotra, S., Rhoads, J., Finkelstein, K., Jung, I., Christensen, Lise, Cimatti, A., Ferreras, I., Grogin, N., Koekemoer, A.~M., Hathi, N., O'Connell, R., Östlin, G., Pasquali, A., Pharo, J., Rothberg, B., Windhorst, R.~A., Team, The FIGS, Larson, R.~L., Finkelstein, S.~L., Pirzkal, N., Ryan, R., Tilvi, V., Malhotra, S., Rhoads, J., Finkelstein, K., Jung, I., Christensen, Lise, Cimatti, A., Ferreras, I., Grogin, N., Koekemoer, A.~M., Hathi, N., O'Connell, R., Östlin, G., Pasquali, A., Pharo, J., Rothberg, B., Windhorst, R.~A., and Team, The FIGS

Published
2018

205. The Properties of GRB 120923A at a Spectroscopic Redshift of z ≈ 7.8

Author

Tanvir, N. R., Laskar, T., Levan, A. J., Perley, D. A., Zabl, J., Fynbo, J. P. U., Rhoads, J., Cenko, S. B., Greiner, J., Wiersema, K., Hjorth, J., Cucchiara, A., Berger, E., Bremer, M. N., Cano, Z., Cobb, B. E., Covino, S., D’Elia, V., Fong, W., Fruchter, A. S., Goldoni, P., Hammer, F., Heintz, K. E., Jakobsson, P., Kann, D. A., Kaper, L., Klose, S., Knust, F., Krühler, T., Malesani, D., Misra, K., Guelbenzu, A. Nicuesa, Pugliese, G., Sánchez-Ramírez, R., Schulze, S., Stanway, E. R., Ugarte Postigo, A. de, Watson, D., Wijers, R. A. M. J., Xu, D., Tanvir, N. R., Laskar, T., Levan, A. J., Perley, D. A., Zabl, J., Fynbo, J. P. U., Rhoads, J., Cenko, S. B., Greiner, J., Wiersema, K., Hjorth, J., Cucchiara, A., Berger, E., Bremer, M. N., Cano, Z., Cobb, B. E., Covino, S., D’Elia, V., Fong, W., Fruchter, A. S., Goldoni, P., Hammer, F., Heintz, K. E., Jakobsson, P., Kann, D. A., Kaper, L., Klose, S., Knust, F., Krühler, T., Malesani, D., Misra, K., Guelbenzu, A. Nicuesa, Pugliese, G., Sánchez-Ramírez, R., Schulze, S., Stanway, E. R., Ugarte Postigo, A. de, Watson, D., Wijers, R. A. M. J., and Xu, D.

Published
2018

206. The THESEUS space mission concept : science case, design and expected performances

Author

Amati, L., O'Brien, P., Gotz, D., Bozzo, E., Tenzer, C., Frontera, F., Ghirlanda, G., Labanti, C., Osborne, J. P., Stratta, G., Tanvir, N., Willingale, R., Attina, P., Campana, R., Castro-Tirado, A. J., Contini, C., Fuschino, F., Gomboc, A., Hudec, R., Orleanski, P., Renotte, E., Rodic, T., Bagoly, Z., Blain, A., Callanan, P., Covino, S., Ferrara, A., Le Floch, E., Marisaldi, M., Mereghetti, S., Rosati, P., Vacchi, A., D'Avanzo, P., Giommi, P., Piranomonte, S., Piro, L., Reglero, V, Rossi, A., Santangelo, A., Salvaterra, R., Tagliaferri, G., Vergani, S., Vinciguerra, S., Briggs, M., Campolongo, E., Ciolfi, R., Connaughton, V, Cordier, B., Morelli, B., Orlandini, M., Adami, C., Argan, A., Atteia, J-L, Auricchio, N., Balazs, L., Baldazzi, G., Basa, S., Basak, Rupal, Bellutti, P., Bernardini, M. G., Bertuccio, G., Braga, J., Branchesi, M., Brandt, S., Brocato, E., Budtz-Jorgensen, C., Bulgarelli, A., Burderi, L., Camp, J., Capozziello, S., Caruana, J., Casella, P., Cenko, B., Chardonnet, P., Ciardi, B., Colafrancesco, S., Dainotti, M. G., D'Elia, V, De Martino, D., De Pasquale, M., Del Monte, E., Della Valle, M., Drago, A., Evangelista, Y., Feroci, M., Finelli, F., Fiorini, M., Fynbo, J., Gal-Yam, A., Gendre, B., Ghisellini, G., Grado, A., Guidorzi, C., Hafizi, M., Hanlon, L., Hjorth, J., Izzo, L., Kiss, L., Kumar, P., Kuvvetli, I, Lavagna, M., Li, T., Longo, F., Lyutikov, M., Maio, U., Maiorano, E., Malcovati, P., Malesani, D., Margutti, R., Martin-Carrillo, A., Masetti, N., McBreen, S., Mignani, R., Morgante, G., Mundell, C., Nargaard-Nielsen, H. U., Nicastro, L., Palazzi, E., Paltani, S., Panessa, F., Pareschi, G., Pe'er, A., Penacchioni, A. , V, Pian, E., Piedipalumbo, E., Piran, T., Rauw, G., Razzano, M., Read, A., Rezzolla, L., Romano, P., Ruffini, R., Savaglio, S., Sguera, V, Schady, P., Skidmore, W., Song, L., Stanway, E., Starling, R., Topinka, M., Troja, E., van Putten, M., Vanzella, E., Vercellone, S., Wilson-Hodge, C., Yonetoku, D., Zampa, G., Zampa, N., Zhang, B., Zhang, B. B., Zhang, S., Zhang, S-N, Antonelli, A., Bianco, F., Boci, S., Boer, M., Botticella, M. T., Boulade, O., Butler, C., Campana, S., Capitanio, F., Celotti, A., Chen, Y., Colpi, M., Comastri, A., Cuby, J-G, Dadina, M., De Luca, A., Dong, Y-W, Ettori, S., Gandhi, P., Geza, E., Greiner, J., Guiriec, S., Harms, J., Hernanz, M., Hornstrup, A., Hutchinson, I, Israel, G., Jonker, P., Kaneko, Y., Kawai, N., Wiersema, K., Korpela, S., Lebrun, V, Lu, F., MacFadyen, A., Malaguti, G., Maraschi, L., Melandri, A., Modjaz, M., Morris, D., Omodei, N., Paizis, A., Pata, P., Petrosian, V, Rachevski, A., Rhoads, J., Ryde, Felix, Sabau-Graziati, L., Shigehiro, N., Sims, M., Soomin, J., Szecsi, D., Urata, Y., Uslenghi, M., Valenziano, L., Vianello, G., Vojtech, S., Watson, D., Zicha, J., Amati, L., O'Brien, P., Gotz, D., Bozzo, E., Tenzer, C., Frontera, F., Ghirlanda, G., Labanti, C., Osborne, J. P., Stratta, G., Tanvir, N., Willingale, R., Attina, P., Campana, R., Castro-Tirado, A. J., Contini, C., Fuschino, F., Gomboc, A., Hudec, R., Orleanski, P., Renotte, E., Rodic, T., Bagoly, Z., Blain, A., Callanan, P., Covino, S., Ferrara, A., Le Floch, E., Marisaldi, M., Mereghetti, S., Rosati, P., Vacchi, A., D'Avanzo, P., Giommi, P., Piranomonte, S., Piro, L., Reglero, V, Rossi, A., Santangelo, A., Salvaterra, R., Tagliaferri, G., Vergani, S., Vinciguerra, S., Briggs, M., Campolongo, E., Ciolfi, R., Connaughton, V, Cordier, B., Morelli, B., Orlandini, M., Adami, C., Argan, A., Atteia, J-L, Auricchio, N., Balazs, L., Baldazzi, G., Basa, S., Basak, Rupal, Bellutti, P., Bernardini, M. G., Bertuccio, G., Braga, J., Branchesi, M., Brandt, S., Brocato, E., Budtz-Jorgensen, C., Bulgarelli, A., Burderi, L., Camp, J., Capozziello, S., Caruana, J., Casella, P., Cenko, B., Chardonnet, P., Ciardi, B., Colafrancesco, S., Dainotti, M. G., D'Elia, V, De Martino, D., De Pasquale, M., Del Monte, E., Della Valle, M., Drago, A., Evangelista, Y., Feroci, M., Finelli, F., Fiorini, M., Fynbo, J., Gal-Yam, A., Gendre, B., Ghisellini, G., Grado, A., Guidorzi, C., Hafizi, M., Hanlon, L., Hjorth, J., Izzo, L., Kiss, L., Kumar, P., Kuvvetli, I, Lavagna, M., Li, T., Longo, F., Lyutikov, M., Maio, U., Maiorano, E., Malcovati, P., Malesani, D., Margutti, R., Martin-Carrillo, A., Masetti, N., McBreen, S., Mignani, R., Morgante, G., Mundell, C., Nargaard-Nielsen, H. U., Nicastro, L., Palazzi, E., Paltani, S., Panessa, F., Pareschi, G., Pe'er, A., Penacchioni, A. , V, Pian, E., Piedipalumbo, E., Piran, T., Rauw, G., Razzano, M., Read, A., Rezzolla, L., Romano, P., Ruffini, R., Savaglio, S., Sguera, V, Schady, P., Skidmore, W., Song, L., Stanway, E., Starling, R., Topinka, M., Troja, E., van Putten, M., Vanzella, E., Vercellone, S., Wilson-Hodge, C., Yonetoku, D., Zampa, G., Zampa, N., Zhang, B., Zhang, B. B., Zhang, S., Zhang, S-N, Antonelli, A., Bianco, F., Boci, S., Boer, M., Botticella, M. T., Boulade, O., Butler, C., Campana, S., Capitanio, F., Celotti, A., Chen, Y., Colpi, M., Comastri, A., Cuby, J-G, Dadina, M., De Luca, A., Dong, Y-W, Ettori, S., Gandhi, P., Geza, E., Greiner, J., Guiriec, S., Harms, J., Hernanz, M., Hornstrup, A., Hutchinson, I, Israel, G., Jonker, P., Kaneko, Y., Kawai, N., Wiersema, K., Korpela, S., Lebrun, V, Lu, F., MacFadyen, A., Malaguti, G., Maraschi, L., Melandri, A., Modjaz, M., Morris, D., Omodei, N., Paizis, A., Pata, P., Petrosian, V, Rachevski, A., Rhoads, J., Ryde, Felix, Sabau-Graziati, L., Shigehiro, N., Sims, M., Soomin, J., Szecsi, D., Urata, Y., Uslenghi, M., Valenziano, L., Vianello, G., Vojtech, S., Watson, D., and Zicha, J.

Abstract

THESEUS is a space mission concept aimed at exploiting Gamma-Ray Bursts for investigating the early Universe and at providing a substantial advancement of multi-messenger and time-domain astrophysics. These goals will be achieved through a unique combination of instruments allowing GRB and X-ray transient detection over a broad field of view (more than 1 sr) with 0.5-1 arcmin localization, an energy band extending from several MeV down to 0.3 keV and high sensitivity to transient sources in the soft X-ray domain, as well as on-board prompt (few minutes) follow-up with a 0.7 m class IR telescope with both imaging and spectroscopic capabilities. THESEUS will be perfectly suited for addressing the main open issues in cosmology such as, e.g., star formation rate and metallicity evolution of the inter-stellar and intra-galactic medium up to redshift similar to 10, signatures of Pop III stars, sources and physics of re-ionization, and the faint end of the galaxy luminosity function. In addition, it will provide unprecedented capability to monitor the X-ray variable sky, thus detecting, localizing, and identifying the electromagnetic counterparts to sources of gravitational radiation, which may be routinely detected in the late '20s/early '30s by next generation facilities like aLIGO/ aVirgo, eLISA, KAGRA, and Einstein Telescope. THESEUS will also provide powerful synergies with the next generation of multi-wavelength observatories (e.g., LSST, ELT, SKA, CTA, ATHENA)., QC 20180718

Published
2018
Full Text
View/download PDF

207. The Properties of GRB 120923A at a Spectroscopic Redshift of z approximate to 7.8

Author

Tanvir, N. R., Laskar, T., Levan, A. J., Perley, D. A., Zabl, J., Fynbo, J. P. U., Rhoads, J., Cenko, S. B., Greiner, J., Wiersema, K., Hjorth, J., Cucchiara, A., Berger, E., Bremer, M. N., Cano, Z., Cobb, B. E., Covino, S., D'Elia, V., Fong, W., Fruchter, A. S., Goldoni, P., Hammer, F., Heintz, K. E., Jakobsson, P., Kann, D. A., Kaper, L., Klose, S., Knust, F., Kruehler, T., Malesani, D., Misra, K., Guelbenzu, A. Nicuesa, Pugliese, G., Sanchez-Ramirez, R., Schulze, S., Stanway, E. R., de Ugarte Postigo, A., Watson, D., Wijers, R. A. M. J., Xu, D., Tanvir, N. R., Laskar, T., Levan, A. J., Perley, D. A., Zabl, J., Fynbo, J. P. U., Rhoads, J., Cenko, S. B., Greiner, J., Wiersema, K., Hjorth, J., Cucchiara, A., Berger, E., Bremer, M. N., Cano, Z., Cobb, B. E., Covino, S., D'Elia, V., Fong, W., Fruchter, A. S., Goldoni, P., Hammer, F., Heintz, K. E., Jakobsson, P., Kann, D. A., Kaper, L., Klose, S., Knust, F., Kruehler, T., Malesani, D., Misra, K., Guelbenzu, A. Nicuesa, Pugliese, G., Sanchez-Ramirez, R., Schulze, S., Stanway, E. R., de Ugarte Postigo, A., Watson, D., Wijers, R. A. M. J., and Xu, D.

Published
2018

208. The THESEUS space mission concept: science case, design and expected performances

Author

Agenzia Spaziale Italiana, European Commission, Czech Grant Agency, Amati, L., O'Brien, P., Götz, Diego, Bozz, Enrico, Tenzer, C., Frontera, F., Ghirlanda, G., Labanti, C., Osborne, Julian Paul, Stratta, G., Tanvir, N., Cenko, B., Marisaldi, M., Lavagna, M., Israel, G., Rhoads, J., Ryde, F., Basa, S., Sabau-Graziati, L., Capozziello, Salvatore, Kuvvetli, I., Korpela, S., Li, T., Maiorano, E., Renotte, E., Camp, J., Kumar, P., McBreen, S., Adami, C., Skidmore, W., Nargaard-Nielsen, H. U., Balazs, L., Topinka, M., Savaglio, S., Shigehiro, N., Sims, M., Soomin, J., Szécsi, D., Urata, Y., Evangelista, Y., Pasquale, Massimiliano de, Ciardi, B., Uslenghi, M., Willingale, R., Basak, R., Campana, R., Valenziano, L., D'Avanzo, P., Dainotti, M. G., Giommi, Paolo, Kiss, L., Romano, P., Schady, P., Martino, Domitilla de, Izzo, L., Capitanio, F., Starling, R., Drago, Alessandro, Comastri, Andrea, Boulade, O., Piranomonte, S., Piro, L., Reglero, V., Rossi, A., Santangelo, Andrea, Palazzi, E., Mundell, C., Masetti, N., Maio, U., Salvaterra, R., Ruffini, R., Finelli, F., Boci, S., Tagliaferri, G., Bellutti, P., Malcovati, P., Paltani, S., Bernardini, M. G., Rezzolla, L., Boer, M., Campana, Sergio, Margutti, R., Read, A., Maraschi, L., Colpi, Monica, Morgante, G., Omodei, Nicola, De Luca, A., Lebrun, V., Bertuccio, G., Braga, J., Branchesi, M., Brandt, S., Brocato, E., Troja, Eleonora, Stanway, E., Sguera, V., Budtz-Jørgensen, C., Panessa, F., Bulgarelli, A., Botticella, M.T., Nicastro, L., Kawai, N., Burderi, L., Fiorini, M., Fynbo, J., Putten, M. van, Gal-Yam, Avishay, Bianco, F., Kaneko, Y., Wiersema, K., MacFadyen, A., Martin-Carrillo, A., Antonelli, L. A., Hudec, René, Morris, D., Song, L., Callanan, P., Petrosian, V., Castro-Tirado, Alberto J., Zicha, J., Gendre, B., Ghisellini, G., Grado, A., Guidorzi, C., Hafizi, M., Dadina, M., Chen, Y., Butler, C., Hanlon, L., Vanzella, E., Longo, F., Hjorth, Jens, Attina, P., Fuschino, F., Pareschi, G., Jonker, P., Watson, D., Blain, A., Celotti, A., Orlandini, M., Floch, E. le, Cuby, Jean-Gabriel, Auricchio, N., Connaughton, Valerie, Pe'er, Asaf, Penacchioni, A. V., Pian, E., Piedipalumbo, E., Piran, T., Páta, P., Modjaz, M., Lu, F., Rauw, G., Rodic, T., Dong, Y. -W., Briggs, M., Razzano, M., Vercellone, S., Malaguti, G., Wilson-Hodge, C., Vojtech, S., Campolongo, E., Morelli, B., Melandri, A., Vianello, G., D'Elia, V., Atteia, J. L., Paizis, A., Della Valle, M., Chardonnet, P., Yonetoku, D., Zampa, G., Zampa, N., Zhang, B., Zhang, B. B., Mereghetti, S., Ferrara, Andrea, Bagoly, Z., Contini, C., Zhang, S., Ciolfi, Riccardo, Rachevski, A., Caruana, J., Zhang, Shuang-Nan, Ettori, S., Gomboc, A., Rosati, P., Gandhi, P., Vinciguerra, S., Casella, P., Colafrancesco, S., Orleanski, P., Vergani, S., Malesani, D., Monte, E. del, Covino, Stefano, Mignani, R., Feroci, Marco, Lyutikov, M., Geza, E., Greiner, Jochen, Guiriec, Sylvain, Harms, J., Hernanz, Margarita, Baldazzi, G., Argan, A., Cordier, B., Hornstrup, A., Vacchi, A., Hutchinson, I., Agenzia Spaziale Italiana, European Commission, Czech Grant Agency, Amati, L., O'Brien, P., Götz, Diego, Bozz, Enrico, Tenzer, C., Frontera, F., Ghirlanda, G., Labanti, C., Osborne, Julian Paul, Stratta, G., Tanvir, N., Cenko, B., Marisaldi, M., Lavagna, M., Israel, G., Rhoads, J., Ryde, F., Basa, S., Sabau-Graziati, L., Capozziello, Salvatore, Kuvvetli, I., Korpela, S., Li, T., Maiorano, E., Renotte, E., Camp, J., Kumar, P., McBreen, S., Adami, C., Skidmore, W., Nargaard-Nielsen, H. U., Balazs, L., Topinka, M., Savaglio, S., Shigehiro, N., Sims, M., Soomin, J., Szécsi, D., Urata, Y., Evangelista, Y., Pasquale, Massimiliano de, Ciardi, B., Uslenghi, M., Willingale, R., Basak, R., Campana, R., Valenziano, L., D'Avanzo, P., Dainotti, M. G., Giommi, Paolo, Kiss, L., Romano, P., Schady, P., Martino, Domitilla de, Izzo, L., Capitanio, F., Starling, R., Drago, Alessandro, Comastri, Andrea, Boulade, O., Piranomonte, S., Piro, L., Reglero, V., Rossi, A., Santangelo, Andrea, Palazzi, E., Mundell, C., Masetti, N., Maio, U., Salvaterra, R., Ruffini, R., Finelli, F., Boci, S., Tagliaferri, G., Bellutti, P., Malcovati, P., Paltani, S., Bernardini, M. G., Rezzolla, L., Boer, M., Campana, Sergio, Margutti, R., Read, A., Maraschi, L., Colpi, Monica, Morgante, G., Omodei, Nicola, De Luca, A., Lebrun, V., Bertuccio, G., Braga, J., Branchesi, M., Brandt, S., Brocato, E., Troja, Eleonora, Stanway, E., Sguera, V., Budtz-Jørgensen, C., Panessa, F., Bulgarelli, A., Botticella, M.T., Nicastro, L., Kawai, N., Burderi, L., Fiorini, M., Fynbo, J., Putten, M. van, Gal-Yam, Avishay, Bianco, F., Kaneko, Y., Wiersema, K., MacFadyen, A., Martin-Carrillo, A., Antonelli, L. A., Hudec, René, Morris, D., Song, L., Callanan, P., Petrosian, V., Castro-Tirado, Alberto J., Zicha, J., Gendre, B., Ghisellini, G., Grado, A., Guidorzi, C., Hafizi, M., Dadina, M., Chen, Y., Butler, C., Hanlon, L., Vanzella, E., Longo, F., Hjorth, Jens, Attina, P., Fuschino, F., Pareschi, G., Jonker, P., Watson, D., Blain, A., Celotti, A., Orlandini, M., Floch, E. le, Cuby, Jean-Gabriel, Auricchio, N., Connaughton, Valerie, Pe'er, Asaf, Penacchioni, A. V., Pian, E., Piedipalumbo, E., Piran, T., Páta, P., Modjaz, M., Lu, F., Rauw, G., Rodic, T., Dong, Y. -W., Briggs, M., Razzano, M., Vercellone, S., Malaguti, G., Wilson-Hodge, C., Vojtech, S., Campolongo, E., Morelli, B., Melandri, A., Vianello, G., D'Elia, V., Atteia, J. L., Paizis, A., Della Valle, M., Chardonnet, P., Yonetoku, D., Zampa, G., Zampa, N., Zhang, B., Zhang, B. B., Mereghetti, S., Ferrara, Andrea, Bagoly, Z., Contini, C., Zhang, S., Ciolfi, Riccardo, Rachevski, A., Caruana, J., Zhang, Shuang-Nan, Ettori, S., Gomboc, A., Rosati, P., Gandhi, P., Vinciguerra, S., Casella, P., Colafrancesco, S., Orleanski, P., Vergani, S., Malesani, D., Monte, E. del, Covino, Stefano, Mignani, R., Feroci, Marco, Lyutikov, M., Geza, E., Greiner, Jochen, Guiriec, Sylvain, Harms, J., Hernanz, Margarita, Baldazzi, G., Argan, A., Cordier, B., Hornstrup, A., Vacchi, A., and Hutchinson, I.

Abstract

THESEUS is a space mission concept aimed at exploiting Gamma-Ray Bursts for investigating the early Universe and at providing a substantial advancement of multi-messenger and time-domain astrophysics. These goals will be achieved through a unique combination of instruments allowing GRB and X-ray transient detection over a broad field of view (more than 1sr) with 0.5¿1 arcmin localization, an energy band extending from several MeV down to 0.3¿keV and high sensitivity to transient sources in the soft X-ray domain, as well as on-board prompt (few minutes) follow-up with a 0.7¿m class IR telescope with both imaging and spectroscopic capabilities. THESEUS will be perfectly suited for addressing the main open issues in cosmology such as, e.g., star formation rate and metallicity evolution of the inter-stellar and intra-galactic medium up to redshift 10, signatures of Pop III stars, sources and physics of re-ionization, and the faint end of the galaxy luminosity function. In addition, it will provide unprecedented capability to monitor the X-ray variable sky, thus detecting, localizing, and identifying the electromagnetic counterparts to sources of gravitational radiation, which may be routinely detected in the late ¿20s/early ¿30s by next generation facilities like aLIGO/ aVirgo, eLISA, KAGRA, and Einstein Telescope. THESEUS will also provide powerful synergies with the next generation of multi-wavelength observatories (e.g., LSST, ELT, SKA, CTA, ATHENA).© 2018 COSPAR

Published
2018

212. Three Ly alpha emitters at z approximate to 6: Early GMOS/Gemini data from the GLARE project

Author

Stanway, E, Glazebrook, K, Bunker, A, Abraham, R, Hook, I, Rhoads, J, McCarthy, P, Boyle, B, Colless, M, Crampton, D, Couch, W, Jorgensen, I, Malhotra, S, Murowinski, R, Roth, K, Savaglio, S, and Tsvetanov, Z

Abstract

We report spectroscopic detection of three z ∼ 6 Lyα-emitting galaxies, in the vicinity of the Hubble Ultra Deep Field, from the early data of the Gemini Lyman Alpha at Reionisation Era (GLARE) project. Two objects, GLARE 3001 (z = 5.79) and GLARE 3011 (z = 5.94), are new detections and are fainter in z′ (z′AB = 26.37 and 27.15) than any Lyman break galaxy previously detected in Lyα. A third object, GLARE 1042 (z = 5.83), has previously been detected in line emission from the ground; we report here a new spectroscopic continuum detection. Gemini/GMOS-South spectra of these objects, obtained using nod and shuffle, are presented together with a discussion of their photometric properties. All three objects were selected for spectroscopy via the i-drop Lyman break technique, the two new detections from the GOODS version 1.0 imaging data. The red i′-z′ colors and high equivalent widths of these objects suggest a high-confidence z > 5 Lyα identification of the emission lines. This brings the total number of known z > 5 galaxies within 9′ of the Hubble Ultra Deep Field to four, of which three are at the same redshift (z = 5.8 within 2000 km s-1), suggesting the existence of a large-scale structure at this redshift.

Published
2016
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217. Therapeutic effect of Lactobacillus reuteri DSM 17938 on Treg-deficiency-induced autoimmunity (IPEX syndrome) via the inosine-adenosine 2A receptors

Author

Liu, Yuying, primary, He, Baokun, additional, Hoang, Thomas K., additional, Wang, Ting, additional, Taylor, Christopher M., additional, Tian, Xiangjun, additional, Luo, Meng, additional, Tran, Dat Q, additional, Zhou, Jain, additional, Tatevian, Nina, additional, Luo, Fayong, additional, Molina, Jose G., additional, Blackburn, Michael R., additional, Gomez, Thomas H., additional, Roos, Stefan, additional, and Rhoads, J Marc, additional

Published
2017
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218. Remodeling Gut Microbiota by Lactobacillus Reuteri DSM 17938 Suppresses Autoimmunity Induced by Treg Deficiency

Author

Liu, Yuying, primary, He, Baokun, additional, Hoang, Thomas K., additional, Wang, Ting, additional, Taylor, Christopher M., additional, Tian, XiangJun, additional, Luo, Meng, additional, Tran, Dat Q., additional, Zhou, Jain, additional, Tatevian, Nina, additional, Gomez, Thomas H., additional, Roos, Stefan, additional, and Marc Rhoads, J., additional

Published
2017
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219. Lactobacillus reuteri DSM 17938 feeding of healthy newborn mice regulates immune responses while modulating gut microbiota and boosting beneficial metabolites.

Author

Yuying Liu, Xiangjun Tian, Baokun He, Hoang, Thomas K., Taylor, Christopher M., Blanchard, Eugene, Freeborn, Jasmin, Sinyoung Park, Meng Luo, Couturier, Jacob, Tran, Dat Q., Roos, Stefan, Guoyao Wu, and Rhoads, J. Marc

Subjects
LACTOBACILLUS reuteri, GUT microbiome, FUNCTIONAL colonic diseases, SUPPRESSOR cells, IMMUNE response, METABOLITES
Abstract

Early administration of Lactobacillus reuteri DSM 17938 (LR) prevents necrotizing enterocolitis and inhibits regulatory T-cell (Treg)-deficiency-associated autoimmunity in mice. In humans, LR reduces crying time in breastfed infants with colic, modifies severity in infants with acute diarrheal illnesses, and improves pain in children with functional bowel disorders. In healthy breastfed newborns with evolving microbial colonization, it is unclear if early administration of LR can modulate gut microbiota and their metabolites in such a way as to promote homeostasis. We gavaged LR (107 colony-forming units/day, daily) to C57BL/6J mice at age of day 8 for 2 wk. Both male and female mice were investigated in these experiments. We found that feeding LR did not affect clinical phenotype or inflammatory biomarkers in plasma and stool, but LR increased the proportion of Foxp3+ regulatory T cells (Tregs) in the intestine. LR also increased bacterial diversity and the relative abundance of p_Firmicutes, f_Lachnospiraceae, f_Ruminococcaceae, and genera Clostridium and Candidatus arthromitus, while decreasing the relative abundance of p_Bacteriodetes, f_Bacteroidaceae, f_Verrucomicrobiaceae, and genera Bacteroides, Ruminococcus, Akkermansia, and Sutterella. Finally, LR exerted a major impact on the plasma metabolome, upregulating amino acid metabolites formed via the urea, tricarboxylic acid, and methionine cycles and increasing tryptophan metabolism. In conclusion, early oral administration of LR to healthy breastfed mice led to microbial and metabolic changes which could be beneficial to general health. [ABSTRACT FROM AUTHOR]

Published
2019
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220. A new analysis of the short-duration, hard-spectrum GRB 051103, a possible extragalactic soft gamma repeater giant flare

Author

Hurley, K., Rowlinson, A., Bellm, E., Perley, D., Mitrofanov, I. G., Golovin, D. V., Kozyrev, A. S., Litvak, M. L., Sanin, A. B., Boynton, W., Fellows, C., Harshmann, K., Ohno, M., Yamaoka, K., Nakagawa, Y. E., Smith, D. M., Cline, T., Tanvir, N. R., O'Brien, P. T., Wiersema, K., Rol, E., Levan, A., Rhoads, J., Fruchter, A., Bersier, D., Kavelaars, J. J., Gehrels, N., Krimm, H., Palmer, D. M., Duncan, R. C., Wigger, C., Hajdas, W., Atteia, J.-L, Ricker, G., Vanderspek, R., Rau, A., von Kienlin, A., Hurley, K., Rowlinson, A., Bellm, E., Perley, D., Mitrofanov, I. G., Golovin, D. V., Kozyrev, A. S., Litvak, M. L., Sanin, A. B., Boynton, W., Fellows, C., Harshmann, K., Ohno, M., Yamaoka, K., Nakagawa, Y. E., Smith, D. M., Cline, T., Tanvir, N. R., O'Brien, P. T., Wiersema, K., Rol, E., Levan, A., Rhoads, J., Fruchter, A., Bersier, D., Kavelaars, J. J., Gehrels, N., Krimm, H., Palmer, D. M., Duncan, R. C., Wigger, C., Hajdas, W., Atteia, J.-L, Ricker, G., Vanderspek, R., Rau, A., and von Kienlin, A.

Abstract

GRB 051103 is considered to be a candidate soft gamma repeater (SGR) extragalactic giant magnetar flare by virtue of its proximity on the sky to M81/M82, as well as its time history, localization and energy spectrum. We have derived a refined interplanetary network localization for this burst which reduces the size of the error box by over a factor of 2. We examine its time history for evidence of a periodic component, which would be one signature of an SGR giant flare, and conclude that this component is neither detected nor detectable under reasonable assumptions. We analyse the time-resolved energy spectra of this event with improved time and energy resolution, and conclude that although the spectrum is very hard its temporal evolution at late times cannot be determined, which further complicates the giant flare association. We also present new optical observations reaching limiting magnitudes of R > 24.5, about 4-mag deeper than previously reported. In tandem with serendipitous observations of M81 taken immediately before and 1 month after the burst, these place strong constraints on any rapidly variable sources in the region of the refined error ellipse proximate to M81. We do not find any convincing afterglow candidates from either background galaxies or sources in M81, although within the refined error region we do locate two UV bright star-forming regions which may host SGRs. A supernova remnant (SNR) within the error ellipse could provide further support for an SGR giant flare association, but we were unable to identify any SNR within the error ellipse. These data still do not allow strong constraints on the nature of the GRB 051103 progenitor, and suggest that candidate extragalactic SGR giant flares will be difficult, although not impossible, to confirm

Published
2017

221. Genistein augments prostaglandin-induced recovery of barrier function in ischemia-injured porcine ileum

Author

BLIKSLAGER, ANTHONY T., ROBERTS, MALCOLM C., YOUNG, KAREN M., RHOADS, J. MARC, and ARGENZIO, ROBERT A.

Subjects
Physiology -- Research, Prostaglandins -- Research, Ischemia -- Causes of, Ileum -- Physiological aspects, Gastrointestinal system -- Physiological aspects, Chlorides -- Research, Mucous membrane -- Analysis, Protein tyrosine kinase -- Analysis, Biological sciences
Abstract

Blikslager, Anthony T., Malcolm C. Roberts, Karen M. Young, J. Marc Rhoads, and Robert A. Argenzio. Genistein augments prostaglandin-induced recovery of barrier function in ischemia-injured porcine ileum. Am. J. Physiol. Gastrointest. Liver Physiol. 278: G207-G216, 2000.--We have previously shown that [PGE.sub.2] enhances recovery of transmucosal resistance (R) in ischemia-injured porcine ileum via a mechanism involving chloride secretion. Because the tyrosine kinase inhibitor genistein amplifies cAMP-induced C1- secretion, we postulated that genistein would augment [PGE.sub.2]-induced recovery of R. Porcine ileum subjected to 45 rain of ischemia was mounted in Ussing chambers, and R and mucosal-to-serosal fluxes of [[sup.3] H]N-formyl-methionyl-leucyl phenylalanine (FMLP) and [[sup.3] H]mannitol were monitored as indicators of recovery of barrier function. Treatment with genistein ([10.sup.-4] M) and [PGE.sub.2] ([10.sup.-6] M) resulted in synergistic elevations in R and additive reductions in mucosal-to-serosal fluxes of [[sup.3] H]FMLP and [[sup.3] H]mannitol, whereas treatment with genistein alone had no effect. Treatment of injured tissues with genistein and either 8-bromo-cAMP ([10.sup.-4] M) or cGMP ([10.sup.-4] M) resulted in synergistic increases in R. However, treatment of tissues with genistein and the protein kinase C (PKC) agonist phorbol myristate acetate ([10.sup.-5]-[10.sup.-6] M) had no effect on R. Genistein augments recovery of R in the presence of cAMP or cGMP but not in the presence of PKC agonists. mucosa; chloride secretion; transmucosal resistance; tyrosine kinase

Published
2000

222. Heat generation in an elastic binder system with embedded discrete energetic particles due to high-frequency, periodic mechanical excitation

Author

Mares, Jesus O, Miller, J K, Gunduz, I E, Rhoads, J F, and Son, Steven F.

Abstract

High-frequency mechanical excitation can induce heating within energetic materials and may lead to advances in explosives detection and defeat. In order to examine the nature of this mechanically induced heating, samples of an elastic binder (Sylgard 184) were embedded with inert and energetic particles placed in a fixed spatial pattern and were subsequently excited with an ultrasonic transducer at discrete frequencies from 100 kHz to 20 MHz. The temperature and velocity responses of the sample surfaces suggest that heating due to frictional effects occurred near the particles at excitation frequencies near the transducer resonance of 215 kHz. An analytical solution involving a heat point source was used to estimate heating rates and temperatures at the particle locations in this frequency region. Heating located near the sample surface at frequencies near and above 1 MHz was attributed to viscoelastic effects related to the surface motion of the samples. At elevated excitation parameters near the transducer resonance frequency, embedded particles of ammonium perchlorate and cyclotetramethylene-tetranitramine were driven to chemical decomposition.

Published
2014

223. This title is unavailable for guests, please login to see more information.

Author

Tilvi, V., Pirzkal, N., Malhotra, S., Finkelstein, S. L., Rhoads, J. E., Windhorst, R., Grogin, N. A., Koekemoer, A., Zakamska, N., Ryan, R., Christensen, Lise Bech, Hathi, N., Pharo, J., Joshi, B., Yang, H., Gronwall, C., Cimatti, A., Walsh, J., OConnell, R., Straughn, A., Ostlin, G., Rothberg, B., Livermore, R. C., Hibon, P., Gardner, Jonathan P., Tilvi, V., Pirzkal, N., Malhotra, S., Finkelstein, S. L., Rhoads, J. E., Windhorst, R., Grogin, N. A., Koekemoer, A., Zakamska, N., Ryan, R., Christensen, Lise Bech, Hathi, N., Pharo, J., Joshi, B., Yang, H., Gronwall, C., Cimatti, A., Walsh, J., OConnell, R., Straughn, A., Ostlin, G., Rothberg, B., Livermore, R. C., Hibon, P., and Gardner, Jonathan P.

Abstract

Galaxies at high redshifts provide a valuable tool to study cosmic dawn, and therefore it is crucial to reliably identify these galaxies. Here, we present an unambiguous and first simultaneous detection of both the Lyman-\alpha emission and the Lyman break from a z = 7.512+/- 0.004 galaxy, observed in the Faint Infrared Grism Survey (FIGS). These spectra, taken with G102 grism on Hubble Space Telescope (HST), show a significant emission line detection (6{\sigma}) in multiple observational position angles (PA), with total integrated Ly{\alpha} line flux of 1.06+/- 0.12 e10-17erg s-1cm-2. The line flux is nearly a factor of four higher than the previous MOSFIRE spectroscopic observations of faint Ly{\alpha} emission at {\lambda} = 1.0347{\mu}m, yielding z = 7.5078+/- 0.0004. This is consistent with other recent observations implying that ground-based near-infrared spectroscopy underestimates total emission line fluxes, and if confirmed, can have strong implications for reionization studies that are based on ground-based Lyman-{\alpha} measurements. A 4-{\sigma} detection of the NV line in one PA also suggests a weak Active Galactic Nucleus (AGN), potentially making this source the highest-redshift AGN yet found. Thus, this observation from the Hubble Space Telescope clearly demonstrates the sensitivity of the FIGS survey, and the capability of grism spectroscopy to study the epoch of reionization.

Published
2016

224. FIRST RESULTS FROM THE FAINT INFRARED GRISM SURVEY (FIGS) : FIRST SIMULTANEOUS DETECTION OF Ly alpha EMISSION AND LYMAN BREAK FROM A GALAXY AT z=7.51

Author

Tilvi, V., Pirzkal, N., Malhotra, S., Finkelstein, S. L., Rhoads, J. E., Windhorst, R., Grogin, N. A., Koekemoer, A., Zakamska, N. L., Ryan, R., Christensen, L., Hathi, N., Pharo, J., Joshi, B., Yang, H., Gronwall, C., Cimatti, A., Walsh, J., O'Connell, R., Straughn, A., Östlin, Göran, Rothberg, B., Livermore, R. C., Hibon, P., Gardner, Jonathan P., Tilvi, V., Pirzkal, N., Malhotra, S., Finkelstein, S. L., Rhoads, J. E., Windhorst, R., Grogin, N. A., Koekemoer, A., Zakamska, N. L., Ryan, R., Christensen, L., Hathi, N., Pharo, J., Joshi, B., Yang, H., Gronwall, C., Cimatti, A., Walsh, J., O'Connell, R., Straughn, A., Östlin, Göran, Rothberg, B., Livermore, R. C., Hibon, P., and Gardner, Jonathan P.

Abstract

Galaxies at high redshifts are a valuable tool for studying cosmic dawn, therefore it is crucial to reliably identify these galaxies. Here, we present an unambiguous and first simultaneous detection of both the Ly alpha emission and the Lyman break from a z = 7.512 +/- 0.004 galaxy, observed in the Faint Infrared Grism Survey (FIGS). These spectra, taken with the G102 grism on the Hubble Space Telescope (HST), show a significant emission line detection (6 sigma) in two observational position angles (PAs), with Lya line flux of 1.06 +/- 0.19 x 10(-17) erg s(-1) cm(-2). The line flux is nearly a factor of four higher than that in the archival MOSFIRE spectroscopic observations. This is consistent with other recent observations, implying that ground-based near-infrared spectroscopy underestimates the total emission line fluxes, and if confirmed, can have strong implications for reionization studies that are based on ground-based Ly alpha measurements. A 4 sigma detection of the NV line in one PA also suggests a weak active galactic nucleus (AGN), and if confirmed, would make this source the highest-redshift AGN yet found. These observations from HST thus clearly demonstrate the sensitivity of the FIGS survey, and the capability of grism spectroscopy for studying the epoch of reionization.

Published
2016
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225. Resetting microbiota by Lactobacillus reuteri inhibits T reg deficiency–induced autoimmunity via adenosine A2A receptors

Author

He, Baokun, primary, Hoang, Thomas K., additional, Wang, Ting, additional, Ferris, Michael, additional, Taylor, Christopher M., additional, Tian, Xiangjun, additional, Luo, Meng, additional, Tran, Dat Q., additional, Zhou, Jain, additional, Tatevian, Nina, additional, Luo, Fayong, additional, Molina, Jose G., additional, Blackburn, Michael R., additional, Gomez, Thomas H., additional, Roos, Stefan, additional, Rhoads, J. Marc, additional, and Liu, Yuying, additional

Published
2016
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227. FIRST RESULTS FROM THE FAINT INFRARED GRISM SURVEY (FIGS): FIRST SIMULTANEOUS DETECTION OF Ly α EMISSION AND LYMAN BREAK FROM A GALAXY AT z = 7.51

Author

Tilvi, V., primary, Pirzkal, N., additional, Malhotra, S., additional, Finkelstein, S. L., additional, Rhoads, J. E., additional, Windhorst, R., additional, Grogin, N. A., additional, Koekemoer, A., additional, Zakamska, N. L., additional, Ryan, R., additional, Christensen, L., additional, Hathi, N., additional, Pharo, J., additional, Joshi, B., additional, Yang, H., additional, Gronwall, C., additional, Cimatti, A., additional, Walsh, J., additional, O’Connell, R., additional, Straughn, A., additional, Ostlin, G., additional, Rothberg, B., additional, Livermore, R. C., additional, Hibon, P., additional, and Gardner, Jonathan P., additional

Published
2016
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228. DETECTION OF THREE GAMMA-RAY BURST HOST GALAXIES ATz∼ 6

Author

McGuire, J. T. W., primary, Tanvir, N. R., additional, Levan, A. J., additional, Trenti, M., additional, Stanway, E. R., additional, Shull, J. M., additional, Wiersema, K., additional, Perley, D. A., additional, Starling, R. L. C., additional, Bremer, M., additional, Stocke, J. T., additional, Hjorth, J., additional, Rhoads, J. E., additional, Curtis-Lake, E., additional, Schulze, S., additional, Levesque, E. M., additional, Robertson, B., additional, Fynbo, J. P. U., additional, Ellis, R. S., additional, and Fruchter, A. S., additional

Published
2016
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232. Lost spirit

Author

Rhoads, J. Mark

Subjects
Hobbies and crafts
Abstract

Frank Shaffer's article on passenger station operations in the September MR was very interesting both from a modeling and historical standpoint. However, the article mentions the Pennsylvania RR's Spirit of [...]

Published
2005

233. Dilution vs. good will

Author

Rhoads, J. Mark

Subjects
Hobbies and crafts
Abstract

Model Railroader, August 2004: 'Union Pacific RR Co. sues Athearn and Lionel'--for trademark infringement! The complaint alleges 'confusion or deception . . . as to the source or origin . [...]

Published
2004

234. Thermal And Mechanical Response Of PBX 9501 Under Contact Excitation

Author

Mares, J O, Miller, J K, Sharp, N D, Moore, D S, Adams, D E, Groven, L J, Rhoads, J F, and Son, Steven F

Abstract

The thermal and mechanical responses of a cyclotetramethylene-tetranitramine-based explosive (PBX 9501) and two non-energetic mock materials (900-21 and PBS 9501) under high-frequency mechanical excitation are presented. Direct contact ultrasound transducers were used to excite samples through a frequency range of 50 kHz to 40 MHz. The mechanical response of each sample was approximated from a contact receiving transducer and trends were confirmed via laser Doppler vibrometry. The steady-state thermal response of the samples was measured at discrete excitation frequencies via infrared thermography. A maximum temperature rise of approximately 15 K was observed in PBX 9501, and the mock materials exhibited similar thermal characteristics. Temperature gradients were calculated to estimate the total heat generated within the samples due to the mechanical excitation. The active heating mechanisms were found to be highly dependent on the frequency of excitation. Possible mechanisms of heating at frequencies below 1 MHz are likely related to bulk motion. Above this frequency, the active heating mechanisms are likely related to particle-scale processes. The observed phenomena may prove useful in the aid of current trace vapor detection methods for explosives.

Published
2013

235. Abstracts

Author

Wilkinson, J. F., Hunter, W. C., Rhoads, J. E., Gray, J. S., Auer, J., Bachrach, W. H., Clark, W. G., Sabine, J. C., Jones, Allen, and Lust, Franz J.

Published
1939
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237. The Swift Gamma-Ray Burst Mission

Author

Gehrels, N., Chincarini, G., Giommi, P., Mason, K. O., Nousek, J. A., Wells, A. A., White, N. E., Barthelmy, S. D., Burrows, D. N., Cominsky, L. R., Marshall, F. E., Meszaros, P., Roming, P. W. A., Angelini, L., Barbier, L. M., Belloni, T., Campana, S., Caraveo, P. A., Chester, M. M., Citterio, O., Cline, T. L., Cropper, M. S., Cummings, J. R., Dean, A. J., Feigelson, E. D., Fenimore, E. E., Frail, D. A., Fruchter, A. S., Garmire, G. P., Gendreau, K., Ghisellini, G., Greiner, J., Hill, J. E., Hunsberger, S. D., Krimm, H. A., Kulkarni, S. R., Kumar, P., Lebrun, F., Lloyd-Ronning, N. M., Markwardt, C. B., Mattson, B. J., Mushotzky, R. F., Norris, J. P., Osborne, J., Paczynski, B., Palmer, D. M., Park, H.-S., Parsons, A. M., Paul, J., Rees, M. J., Reynolds, C. S., Rhoads, J. E., Sasseen, T. P., Schaefer, B. E., Short, A. T., Smale, A. P., Smith, I. A., Stella, L., Tagliaferri, G., 高橋, 忠幸, 田代, 信, Takahashi, Tadayuki, Tashiro, Makoto, Gehrels, N., Chincarini, G., Giommi, P., Mason, K. O., Nousek, J. A., Wells, A. A., White, N. E., Barthelmy, S. D., Burrows, D. N., Cominsky, L. R., Marshall, F. E., Meszaros, P., Roming, P. W. A., Angelini, L., Barbier, L. M., Belloni, T., Campana, S., Caraveo, P. A., Chester, M. M., Citterio, O., Cline, T. L., Cropper, M. S., Cummings, J. R., Dean, A. J., Feigelson, E. D., Fenimore, E. E., Frail, D. A., Fruchter, A. S., Garmire, G. P., Gendreau, K., Ghisellini, G., Greiner, J., Hill, J. E., Hunsberger, S. D., Krimm, H. A., Kulkarni, S. R., Kumar, P., Lebrun, F., Lloyd-Ronning, N. M., Markwardt, C. B., Mattson, B. J., Mushotzky, R. F., Norris, J. P., Osborne, J., Paczynski, B., Palmer, D. M., Park, H.-S., Parsons, A. M., Paul, J., Rees, M. J., Reynolds, C. S., Rhoads, J. E., Sasseen, T. P., Schaefer, B. E., Short, A. T., Smale, A. P., Smith, I. A., Stella, L., Tagliaferri, G., 高橋, 忠幸, 田代, 信, Takahashi, Tadayuki, and Tashiro, Makoto

Abstract

著者人数: 71名, Accepted: 2004-04-14

Published
2015

238. Erratum: 'The Swift Gamma-Ray Burst Mission' (ApJ, 611, 1005 [2004])

Author

Gehrels, N., Chincarini, G., Giommi, P., Mason, K. O., Nousek, J. A., Wells, A. A., White, N. E., Barthelmy, S. D., Burrows, D. N., Cominsky, L. R., Marshall, F. E., Meszaros, P., Roming, P. W. A., Angelini, L., Barbier, L. M., Belloni, T., Boyd, P. T., Campana, S., Caraveo, P. A., Chester, M. M., Citterio, O., Cline, T. L., Cropper, M. S., Cummings, J. R., Dean, A. J., Feigelson, E. D., Fenimore, E. E., Frail, D. A., Fruchter, A. S., Garmire, G. P., Gendreau, K., Ghisellini, G., Greiner, J., Hill, J. E., Hunsberger, S. D., Krimm, H. A., Kulkarni, S. R., Kumar, P., Lebrun, F., Lloyd-Ronning, N. M., Markwardt, C. B., Mattson, B. J., Mushotzky, R. F., Norris, J. P., Paczynski, B., Palmer, D. M., Park, H.-S., Parsons, A. M., Paul, J., Rees, M. J., Reynolds, C. S., Rhoads, J. E., Sasseen, T. P., Schaefer, B. E., Short, A. T., Smale, A. P., Smith, I. A., Stella, L., Still, M., Tagliaferri, G., 高橋, 忠幸, 田代, 信, Takahashi, Tadayuki, Tashiro, Makoto, Gehrels, N., Chincarini, G., Giommi, P., Mason, K. O., Nousek, J. A., Wells, A. A., White, N. E., Barthelmy, S. D., Burrows, D. N., Cominsky, L. R., Marshall, F. E., Meszaros, P., Roming, P. W. A., Angelini, L., Barbier, L. M., Belloni, T., Boyd, P. T., Campana, S., Caraveo, P. A., Chester, M. M., Citterio, O., Cline, T. L., Cropper, M. S., Cummings, J. R., Dean, A. J., Feigelson, E. D., Fenimore, E. E., Frail, D. A., Fruchter, A. S., Garmire, G. P., Gendreau, K., Ghisellini, G., Greiner, J., Hill, J. E., Hunsberger, S. D., Krimm, H. A., Kulkarni, S. R., Kumar, P., Lebrun, F., Lloyd-Ronning, N. M., Markwardt, C. B., Mattson, B. J., Mushotzky, R. F., Norris, J. P., Paczynski, B., Palmer, D. M., Park, H.-S., Parsons, A. M., Paul, J., Rees, M. J., Reynolds, C. S., Rhoads, J. E., Sasseen, T. P., Schaefer, B. E., Short, A. T., Smale, A. P., Smith, I. A., Stella, L., Still, M., Tagliaferri, G., 高橋, 忠幸, 田代, 信, Takahashi, Tadayuki, and Tashiro, Makoto

Abstract

著者人数: 72名

Published
2015

242. A new analysis of the short-duration, hard-spectrum GRB 051103, a possible extragalactic SGR giant flare

Author

Hurley, K., Rowlinson, A., Bellm, E., Perley, D., Mitrofanov, I. G., Golovin, D. V., Kozyrev, A. S., Litvak, M. L., Sanin, A. B., Boynton, W., Fellows, C., Harshmann, K., Ohno, M., Yamaoka, K., Nakagawa, Y. E., Smith, D. M., Cline, T., Tanvir, N. R., O'Brien, P. T., Wiersema, K., Rol, E., Levan, A., Rhoads, J., Fruchter, A., Bersier, D., Kavelaars, J. J., Gehrels, N., Krimm, H., Palmer, D. M., Duncan, R. C., Wigger, C., Hajdas, W., Atteia, J. -L., Ricker, G., Vanderspek, R., Rau, A., and von Kienlin, A.

Subjects
High Energy Astrophysical Phenomena (astro-ph.HE), FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena
Abstract

GRB 051103 is considered to be a candidate soft gamma repeater (SGR) extragalactic giant magnetar flare by virtue of its proximity on the sky to M81/M82, as well as its time history, localization, and energy spectrum. We have derived a refined interplanetary network localization for this burst which reduces the size of the error box by over a factor of two. We examine its time history for evidence of a periodic component, which would be one signature of an SGR giant flare, and conclude that this component is neither detected nor detectable under reasonable assumptions. We analyze the time-resolved energy spectra of this event with improved time- and energy resolution, and conclude that although the spectrum is very hard, its temporal evolution at late times cannot be determined, which further complicates the giant flare association. We also present new optical observations reaching limiting magnitudes of R > 24.5, about 4 magnitudes deeper than previously reported. In tandem with serendipitous observations of M81 taken immediately before and one month after the burst, these place strong constraints on any rapidly variable sources in the region of the refined error ellipse proximate to M81. We do not find any convincing afterglow candidates from either background galaxies or sources in M81, although within the refined error region we do locate two UV bright star forming regions which may host SGRs. A supernova remnant (SNR) within the error ellipse could provide further support for an SGR giant flare association, but we were unable to identify any SNR within the error ellipse. These data still do not allow strong constraints on the nature of the GRB 051103 progenitor, and suggest that candidate extragalactic SGR giant flares will be difficult, although not impossible, to confirm., 11 pages, 6 figures. Resubmitted to MNRAS. This version has been expanded to include the search for an optical counterpart

Published
2009

243. Emission-Line Galaxies from the HST PEARS Grism Survey I: The South Fields

Author

Straughn, A. N., Pirzkal, N., Meurer, G. R., Cohen, S. H., Windhorst, R. A., Malhotra, S., Rhoads, J., Gardner, J. P., Hathi, N. P., Jansen, R. A., Grogin, N., Panagia, N., Alighieri, S. D. S., Gronwall, C., Walsh, J., Pasquali, A., and Xu, C.

Subjects
Cosmology and Nongalactic Astrophysics (astro-ph.CO), FOS: Physical sciences, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics::Galaxy Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We present results of a search for emission-line galaxies in the Southern Fields of the Hubble Space Telescope PEARS (Probing Evolution And Reionization Spectroscopically) grism survey. The PEARS South Fields consist of five ACS pointings (including the Hubble Ultra Deep Field) with the G800L grism for a total of 120 orbits, revealing thousands of faint object spectra in the GOODS-South region of the sky. Emission-line galaxies (ELGs) are one subset of objects that are prevalent among the grism spectra. Using a 2-dimensional detection and extraction procedure, we find 320 emission lines orginating from 226 galaxy "knots'' within 192 individual galaxies. Line identification results in 118 new grism-spectroscopic redshifts for galaxies in the GOODS-South Field. We measure emission line fluxes using standard Gaussian fitting techniques. At the resolution of the grism data, the H-beta and [OIII] doublet are blended. However, by fitting two Gaussian components to the H-beta and [OIII] features, we find that many of the PEARS ELGs have high [OIII]/H-beta ratios compared to other galaxy samples of comparable luminosities. The star-formation rates (SFRs) of the ELGs are presented, as well as a sample of distinct giant star-forming regions at z~0.1-0.5 across individual galaxies. We find that the radial distances of these HII regions in general reside near the galaxies' optical continuum half-light radii, similar to those of giant HII regions in local galaxies., Comment: 15 pages, 13 figures; Accepted for publication in AJ

Published
2009
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244. Stellar Populations of Late-Type Bulges at z=1 in the HUDF

Author

Hathi, N. P., Ferreras, I., Pasquali, A., Malhotra, S., Rhoads, J. E., Pirzkal, N., Windhorst, R. A., and Xu, C.

Subjects
Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract

We combine the exceptional depth of the Hubble Ultra Deep Field (HUDF) images and the deep GRism ACS Program for Extragalactic Science (GRAPES) grism spectroscopy to explore the stellar populations of 34 bulges belonging to late-type galaxies at z=0.8-1.3. The sample is selected based on the presence of a noticeable 4000A break in their GRAPES spectra, and by visual inspection of the HUDF images. The HUDF images are used to measure bulge color and Sersic index. The narrow extraction of the GRAPES data around the galaxy center enables us to study the spectrum of the bulges in these late-type galaxies, minimizing the contamination from the disk of the galaxy. We use the low resolution (R~50) spectral energy distribution (SED) around the 4000A break to estimate redshifts and stellar ages. The SEDs are compared with models of galactic chemical evolution to determine the stellar mass, and to characterize the age distribution. We find that, (1) the average age of late-type bulges in our sample is ~1.3 Gyr with stellar masses in the range log(M)=6.5-10 solar. (2) Late-type bulges are younger than early-type galaxies at similar redshifts and lack a trend of age with respect to redshift, suggesting a more extended period of star formation. (3) Bulges and inner disks in these late-type galaxies show similar stellar populations, and (4) late-type bulges are better fitted by exponential surface brightness profiles. The overall picture emerging from the GRAPES data is that, in late-type galaxies at z=1, bulges form through secular evolution and disks via an inside-out process., 16 pages, emulateapj; Accepted for publication in ApJ

Published
2008

246. Starburst Intensity Limit of Galaxies at z~5-6

Author

Hathi, N. P., Malhotra, S., and Rhoads, J. E.

Subjects
Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract

The peak star formation intensity in starburst galaxies does not vary significantly from the local universe to redshift z~6. We arrive at this conclusion through new surface brightness measurements of 47 starburst galaxies at z~5-6, doubling the redshift range for such observations. These galaxies are spectroscopically confirmed in the Hubble Ultra Deep Field (HUDF) through the GRism ACS program for Extragalactic Science (GRAPES) project. The starburst intensity limit for galaxies at z~5-6 agree with those at z~3-4 and z~0 to within a factor of a few, after correcting for cosmological surface brightness dimming and for dust. The most natural interpretation of this constancy over cosmic time is that the same physical mechanisms limit starburst intensity at all redshifts up to z~6 (be they galactic winds, gravitational instability, or something else). We do see two trends with redshift: First, the UV spectral slope of galaxies at z~5-6 is bluer than that of z~3 galaxies, suggesting an increase in dust content over time. Second, the galaxy sizes from z~3 to z~6 scale approximately as the Hubble parameter 1/H(z). Thus, galaxies at z~6 are high redshift starbursts, much like their local analogs except for slightly bluer colors, smaller physical sizes, and correspondingly lower overall luminosities. If we now assume a constant maximum star formation intensity, the differences in observed surface brightness between z~0 and z~6 are consistent with standard expanding cosmology and strongly inconsistent with tired light model., Accepted for publication in ApJ (23 pages, 5 figures). Minor changes to text

Published
2007

247. The GLARE survey - II. Faint z approximate to 6 Ly alpha line emitters in the HUDF

Author

Stanway, ER, Bunker, AJ, Glazebrook, K, Abraham, RG, Rhoads, J, Malhotra, S, Crampton, D, Colless, M, and Chiu, K

Subjects
Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract

The galaxy population at z ≈ 6 has been the subject of intense study in recent years, culminating in the Hubble Ultra Deep Field (HUDF) - the deepest imaging survey yet. A large number of high-redshift galaxy candidates have been identified within the HUDF, but until now analysis of their properties has been hampered by the difficulty of obtaining spectroscopic redshifts for these faint galaxies. Our 'Gemini Lyman-Alpha at Reionization Era' (GLARE) project has been designed to undertake spectroscopic follow-up of faint (z′ < 28.5) i′-drop galaxies at z ≈ 6 in the HUDF. In a previous paper we presented preliminary results from the first 7.5 h of data from GLARE. In this paper we detail the complete survey. We have now obtained 36 h of spectroscopy on a single GMOS slitmask from Gemini-South, with a spectral resolution of λ/ΔλFWHM ≈ 1000. We identify five strong Lyα emitters at z > 5.5, and a further nine possible line emitters with detections at lower significance. We also place tight constraints on the equivalent width of Lyα emission for a further ten i′-drop galaxies and examine the equivalent width distribution of this faint spectroscopic sample of z ≈ 6 galaxies. We find that the fraction of galaxies with little or no emission is similar to that at z ≈ 3, but that the z ≈ 6 population has a tail of sources with high rest-frame equivalent widths. Possible explanations for this effect include a tendency towards stronger line emission in faint sources, which may arise from extreme youth or low metallicity in the Lyman-break population at high redshift, or possibly a top-heavy initial mass function. © 2007 RAS.

Published
2007

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