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1. Detailed Study of Stars and Gas in a z = 8.3 Massive Merger with Extreme Dust Conditions

Author

Harshan, Anishya, Tripodi, Roberta, Martis, Nicholas S., Rihtaršič, Gregor, Bradač, Maruša, Asada, Yoshihisa, Brammer, Gabe, Desprez, Guillaume, Estrada-Carpenter, Vince, Matharu, Jasleen, Markov, Vladan, Muzzin, Adam, Mowla, Lamiya, Noirot, Gaël, Sarrouh, Ghassan T. E., Sawicki, Marcin, Strait, Victoria, and Willot, Chris

Subjects
Astrophysics - Astrophysics of Galaxies
Abstract

We present galaxy MACS0416-Y1 at z$_{\rm{spec}} = 8.312$ as observed by the CAnadian NIRISS Unbiased Cluster Survey (CANUCS). MACS0416-Y1 has been shown to have extreme dust properties, thus, we study the physical properties and star formation histories of its resolved components. Overall, we find that MACS0416-Y1 is undergoing a star formation burst in three resolved clumps. The central clump is less massive compared to the other clumps and possibly formed in the merging process of the two larger clumps. Although the star formation history indicates an ongoing star formation burst, this gas-rich galaxy shows comparable star formation efficiency to cosmic noon galaxies. Using NIRSpec prism spectroscopy, we measure metallicity, $12 +\log\rm{(O/H)} = 7.76\pm0.03$ , ionisation parameter, $\log U = -2.48\pm0.03$, and electron temperature $\rm{T}_e = 18000\pm 4000 K $. The emission line ratios of the galaxy indicate an evolved Interstellar medium (ISM) similar to $z\sim2$ star-forming galaxies. Further, we find possible presence of ionisation from an active galactic nuclei (AGN) using emission line diagnostics, however, we do not detect broad line component in H$\beta$ emission line. As this gas-rich galaxy is undergoing a major merger, we hypothesise that the high dust temperature in MACS0416-Y1 is caused by the star formation burst or a possible narrow-line AGN., Comment: Submitted to ApJL

Published
2024

3. The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition

Author

The MSE Science Team, Babusiaux, Carine, Bergemann, Maria, Burgasser, Adam, Ellison, Sara, Haggard, Daryl, Huber, Daniel, Kaplinghat, Manoj, Li, Ting, Marshall, Jennifer, Martell, Sarah, McConnachie, Alan, Percival, Will, Robotham, Aaron, Shen, Yue, Thirupathi, Sivarani, Tran, Kim-Vy, Yeche, Christophe, Yong, David, Adibekyan, Vardan, Aguirre, Victor Silva, Angelou, George, Asplund, Martin, Balogh, Michael, Banerjee, Projjwal, Bannister, Michele, Barría, Daniela, Battaglia, Giuseppina, Bayo, Amelia, Bechtol, Keith, Beck, Paul G., Beers, Timothy C., Bellinger, Earl P., Berg, Trystyn, Bestenlehner, Joachim M., Bilicki, Maciej, Bitsch, Bertram, Bland-Hawthorn, Joss, Bolton, Adam S., Boselli, Alessandro, Bovy, Jo, Bragaglia, Angela, Buzasi, Derek, Caffau, Elisabetta, Cami, Jan, Carleton, Timothy, Casagrande, Luca, Cassisi, Santi, Catelan, Márcio, Chang, Chihway, Cortese, Luca, Damjanov, Ivana, Davies, Luke J. M., de Grijs, Richard, de Rosa, Gisella, Deason, Alis, di Matteo, Paola, Drlica-Wagner, Alex, Erkal, Denis, Escorza, Ana, Ferrarese, Laura, Fleming, Scott W., Font-Ribera, Andreu, Freeman, Ken, Gänsicke, Boris T., Gabdeev, Maksim, Gallagher, Sarah, Gandolfi, Davide, García, Rafael A., Gaulme, Patrick, Geha, Marla, Gennaro, Mario, Gieles, Mark, Gilbert, Karoline, Gordon, Yjan, Goswami, Aruna, Greco, Johnny P., Grillmair, Carl, Guiglion, Guillaume, Hénault-Brunet, Vincent, Hall, Patrick, Handler, Gerald, Hansen, Terese, Hathi, Nimish, Hatzidimitriou, Despina, Haywood, Misha, Santisteban, Juan V. Hernández, Hillenbrand, Lynne, Hopkins, Andrew M., Howlett, Cullan, Hudson, Michael J., Ibata, Rodrigo, Ilić, Dragana, Jablonka, Pascale, Ji, Alexander, Jiang, Linhua, Juneau, Stephanie, Karakas, Amanda, Karinkuzhi, Drisya, Kim, Stacy Y., Kong, Xu, Konstantopoulos, Iraklis, Krogager, Jens-Kristian, Lagos, Claudia, Lallement, Rosine, Laporte, Chervin, Lebreton, Yveline, Lee, Khee-Gan, Lewis, Geraint F., Lianou, Sophia, Liu, Xin, Lodieu, Nicolas, Loveday, Jon, Mészáros, Szabolcs, Makler, Martin, Mao, Yao-Yuan, Marchesini, Danilo, Martin, Nicolas, Mateo, Mario, Melis, Carl, Merle, Thibault, Miglio, Andrea, Mohammad, Faizan Gohar, Molaverdikhani, Karan, Monier, Richard, Morel, Thierry, Mosser, Benoit, Nataf, David, Necib, Lina, Neilson, Hilding R., Newman, Jeffrey A., Nierenberg, A. M., Nord, Brian, Noterdaeme, Pasquier, O'Dea, Chris, Oshagh, Mahmoudreza, Pace, Andrew B., Palanque-Delabrouille, Nathalie, Pandey, Gajendra, Parker, Laura C., Pawlowski, Marcel S., Peter, Annika H. G., Petitjean, Patrick, Petric, Andreea, Placco, Vinicius, Popović, Luka Č., Price-Whelan, Adrian M., Prsa, Andrej, Ravindranath, Swara, Rich, R. Michael, Ruan, John, Rybizki, Jan, Sakari, Charli, Sanderson, Robyn E., Schiavon, Ricardo, Schimd, Carlo, Serenelli, Aldo, Siebert, Arnaud, Siudek, Malgorzata, Smiljanic, Rodolfo, Smith, Daniel, Sobeck, Jennifer, Starkenburg, Else, Stello, Dennis, Szabó, Gyula M., Szabo, Robert, Taylor, Matthew A., Thanjavur, Karun, Thomas, Guillaume, Tollerud, Erik, Toonen, Silvia, Tremblay, Pier-Emmanuel, Tresse, Laurence, Tsantaki, Maria, Valentini, Marica, Van Eck, Sophie, Variu, Andrei, Venn, Kim, Villaver, Eva, Walker, Matthew G., Wang, Yiping, Wang, Yuting, Wilson, Michael J., Wright, Nicolas, Xu, Siyi, Yildiz, Mutlu, Zhang, Huawei, Zwintz, Konstanze, Anguiano, Borja, Bedell, Megan, Chaplin, William, Collet, Remo, Cuillandre, Jean-Charles, Duc, Pierre-Alain, Flagey, Nicolas, Hermes, JJ, Hill, Alexis, Kamath, Devika, Laychak, Mary Beth, Małek, Katarzyna, Marley, Mark, Sheinis, Andy, Simons, Doug, Sousa, Sérgio G., Szeto, Kei, Ting, Yuan-Sen, Vegetti, Simona, Wells, Lisa, Babas, Ferdinand, Bauman, Steve, Bosselli, Alessandro, Côté, Pat, Colless, Matthew, Comparat, Johan, Courtois, Helene, Crampton, David, Croom, Scott, Davies, Luke, Denny, Kelly, Devost, Daniel, Driver, Simon, Fernandez-Lorenzo, Mirian, Guhathakurta, Raja, Han, Zhanwen, Higgs, Clare, Hill, Vanessa, Ho, Kevin, Hopkins, Andrew, Hudson, Mike, Isani, Sidik, Jarvis, Matt, Johnson, Andrew, Jullo, Eric, Kaiser, Nick, Kneib, Jean-Paul, Koda, Jun, Koshy, George, Mignot, Shan, Murowinski, Rick, Newman, Jeff, Nusser, Adi, Pancoast, Anna, Peng, Eric, Peroux, Celine, Pichon, Christophe, Poggianti, Bianca, Richard, Johan, Salmon, Derrick, Seibert, Arnaud, Shastri, Prajval, Smith, Dan, Sutaria, Firoza, Tao, Charling, Taylor, Edwar, Tully, Brent, van Waerbeke, Ludovic, Vermeulen, Tom, Walker, Matthew, Willis, Jon, Willot, Chris, and Withington, Kanoa

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies
Abstract

(Abridged) The Maunakea Spectroscopic Explorer (MSE) is an end-to-end science platform for the design, execution and scientific exploitation of spectroscopic surveys. It will unveil the composition and dynamics of the faint Universe and impact nearly every field of astrophysics across all spatial scales, from individual stars to the largest scale structures in the Universe. Major pillars in the science program for MSE include (i) the ultimate Gaia follow-up facility for understanding the chemistry and dynamics of the distant Milky Way, including the outer disk and faint stellar halo at high spectral resolution (ii) galaxy formation and evolution at cosmic noon, via the type of revolutionary surveys that have occurred in the nearby Universe, but now conducted at the peak of the star formation history of the Universe (iii) derivation of the mass of the neutrino and insights into inflationary physics through a cosmological redshift survey that probes a large volume of the Universe with a high galaxy density. MSE is positioned to become a critical hub in the emerging international network of front-line astronomical facilities, with scientific capabilities that naturally complement and extend the scientific power of Gaia, the Large Synoptic Survey Telescope, the Square Kilometer Array, Euclid, WFIRST, the 30m telescopes and many more., Comment: 9 chapters, 301 pages, 100 figures. This version of the DSC is a comprehensive update of the original version, released in 2016, which can be downloaded at arXiv:1606.00043. A detailed summary of the design of MSE is available in the MSE Book 2018, available at arXiv:1810.08695

Published
2019

4. The Detailed Science Case for the Maunakea Spectroscopic Explorer: the Composition and Dynamics of the Faint Universe

Author

McConnachie, Alan, Babusiaux, Carine, Balogh, Michael, Driver, Simon, Côté, Pat, Courtois, Helene, Davies, Luke, Ferrarese, Laura, Gallagher, Sarah, Ibata, Rodrigo, Martin, Nicolas, Robotham, Aaron, Venn, Kim, Villaver, Eva, Bovy, Jo, Boselli, Alessandro, Colless, Matthew, Comparat, Johan, Denny, Kelly, Duc, Pierre-Alain, Ellison, Sara, de Grijs, Richard, Fernandez-Lorenzo, Mirian, Freeman, Ken, Guhathakurta, Raja, Hall, Patrick, Hopkins, Andrew, Hudson, Mike, Johnson, Andrew, Kaiser, Nick, Koda, Jun, Konstantopoulos, Iraklis, Koshy, George, Lee, Khee-Gan, Nusser, Adi, Pancoast, Anna, Peng, Eric, Peroux, Celine, Petitjean, Patrick, Pichon, Christophe, Poggianti, Bianca, Schmid, Carlo, Shastri, Prajval, Shen, Yue, Willot, Chris, Croom, Scott, Lallement, Rosine, Schimd, Carlo, Smith, Dan, Walker, Matthew, Willis, Jon, Colless, Alessandro Bosselli Matthew, Goswami, Aruna, Jarvis, Matt, Jullo, Eric, Kneib, Jean-Paul, Konstantopoloulous, Iraklis, Newman, Jeff, Richard, Johan, Sutaria, Firoza, Taylor, Edwar, van Waerbeke, Ludovic, Battaglia, Giuseppina, Hall, Pat, Haywood, Misha, Sakari, Charli, Seibert, Arnaud, Thirupathi, Sivarani, Wang, Yuting, Wang, Yiping, Babas, Ferdinand, Bauman, Steve, Caffau, Elisabetta, Laychak, Mary Beth, Crampton, David, Devost, Daniel, Flagey, Nicolas, Han, Zhanwen, Higgs, Clare, Hill, Vanessa, Ho, Kevin, Isani, Sidik, Mignot, Shan, Murowinski, Rick, Pandey, Gajendra, Salmon, Derrick, Siebert, Arnaud, Simons, Doug, Starkenburg, Else, Szeto, Kei, Tully, Brent, Vermeulen, Tom, Withington, Kanoa, Arimoto, Nobuo, Asplund, Martin, Aussel, Herve, Bannister, Michele, Bhatt, Harish, Bhargavi, SS, Blakeslee, John, Bland-Hawthorn, Joss, Bullock, James, Burgarella, Denis, Chang, Tzu-Ching, Cole, Andrew, Cooke, Jeff, Cooper, Andrew, Di Matteo, Paola, Favole, Ginevra, Flores, Hector, Gaensler, Bryan, Garnavich, Peter, Gilbert, Karoline, Gonzalez-Delgado, Rosa, Guhathakurta, Puragra, Hasinger, Guenther, Herwig, Falk, Hwang, Narae, Jablonka, Pascale, Jarvis, Matthew, Kamath, Umanath, Kewley, Lisa, Borgne, Damien Le, Lewis, Geraint, Lupton, Robert, Martell, Sarah, Mateo, Mario, Mena, Olga, Nataf, David, Newman, Jeffrey, Pérez, Enrique, Prada, Francisco, Puech, Mathieu, Recio-Blanco, Alejandra, Robin, Annie, Saunders, Will, Smith, Daniel, Stalin, C. S., Tao, Charling, Thanjuvur, Karun, Tresse, Laurence, van Waerbeke, Ludo, Wang, Jian-Min, Yong, David, Zhao, Gongbo, Boisse, Patrick, Bolton, James, Bonifacio, Piercarlo, Bouchy, Francois, Cowie, Len, Cunha, Katia, Deleuil, Magali, de Mooij, Ernst, Dufour, Patrick, Foucaud, Sebastien, Glazebrook, Karl, Hutchings, John, Kobayashi, Chiaki, Kudritzki, Rolf-Peter, Li, Yang-Shyang, Lin, Lihwai, Lin, Yen-Ting, Makler, Martin, Narita, Norio, Park, Changbom, Ransom, Ryan, Ravindranath, Swara, Reddy, Bacham Eswar, Sawicki, Marcin, Simard, Luc, Srianand, Raghunathan, Storchi-Bergmann, Thaisa, Umetsu, Keiichi, Wang, Ting-Gui, Woo, Jong-Hak, and Wu, Xue-Bing

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Astrophysics of Galaxies
Abstract

MSE is an 11.25m aperture observatory with a 1.5 square degree field of view that will be fully dedicated to multi-object spectroscopy. More than 3200 fibres will feed spectrographs operating at low (R ~ 2000 - 3500) and moderate (R ~ 6000) spectral resolution, and approximately 1000 fibers will feed spectrographs operating at high (R ~ 40000) resolution. MSE is designed to enable transformational science in areas as diverse as tomographic mapping of the interstellar and intergalactic media; the in-situ chemical tagging of thick disk and halo stars; connecting galaxies to their large scale structure; measuring the mass functions of cold dark matter sub-halos in galaxy and cluster-scale hosts; reverberation mapping of supermassive black holes in quasars; next generation cosmological surveys using redshift space distortions and peculiar velocities. MSE is an essential follow-up facility to current and next generations of multi-wavelength imaging surveys, including LSST, Gaia, Euclid, WFIRST, PLATO, and the SKA, and is designed to complement and go beyond the science goals of other planned and current spectroscopic capabilities like VISTA/4MOST, WHT/WEAVE, AAT/HERMES and Subaru/PFS. It is an ideal feeder facility for E-ELT, TMT and GMT, and provides the missing link between wide field imaging and small field precision astronomy. MSE is optimized for high throughput, high signal-to-noise observations of the faintest sources in the Universe with high quality calibration and stability being ensured through the dedicated operational mode of the observatory. (abridged), Comment: 210 pages, 91 figures. Exposure draft. Appendices to the Detailed Science Case can be found at http://mse.cfht.hawaii.edu/docs/

Published
2016

5. HeAlth System StrEngThening in Four Sub_Saharan African Countries (ASSET) to Achieve High-quality, Evidence-informed Surgical, Maternal and Newborn, and Primary Care: Protocol for Pre-implementation Phase Studies

Author

Seward, Nadine, primary, Hanlon, Charlotte, additional, Abdulahi, Ahmed, additional, Abrams, Zulfa, additional, Alem, Atalay, additional, Araya, Ricardo, additional, Bachmann, Max, additional, Bogale, Birke, additional, Brima, Nataliya, additional, Chibanda, Dixon, additional, Curran, Robyn, additional, Davis, Justine, additional, Deneke, Andualem, additional, Fairall, Lara, additional, Frissa, Souci, additional, Gallagher, Jennifer, additional, Gao, Wei, additional, Harding, Richard, additional, Kartha, Muralikrishnan R., additional, Leather, Andrew, additional, Lund, Crick, additional, Marx, Maggie, additional, Nkhoma, Kennedy, additional, Murdoch, Jamie, additional, Petersen, Inge, additional, Petrus, Ruwayda, additional, Sandall, Jane, additional, Sheenan, Andrew, additional, Tadesse, Amezene, additional, Thornicroft, Graham, additional, Rensburg, André van, additional, Sevdalis, Nick, additional, Verhey, Ruth, additional, Willot, Chris, additional, and Prince, Martin, additional

Published
2021
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8. The Detailed Science Case for the Maunakea Spectroscopic Explorer: the Composition and Dynamics of the Faint Universe

Author

Mcconnachie, Alan, Babusiaux, Carine, Balogh, Michael, Driver, Simon, Côté, Pat, Courtois, Helene, Davies, Luke, Ferrarese, Laura, Gallagher, Sarah, Ibata, Rodrigo, Martin, Nicolas, Robotham, Aaron, Venn, Kim, Villaver, Eva, Bovy, Jo, Boselli, Alessandro, Colless, Matthew, Comparat, Johan, Denny, Kelly, Duc, Pierre-Alain, Ellison, Sara, Grijs, Richard, Fernandez-Lorenzo, Mirian, Freeman, Ken, Guhathakurta, Raja, Hall, Patrick, Hopkins, Andrew, Hudson, Mike, Johnson, Andrew, Kaiser, Nick, Koda, Jun, Konstantopoulos, Iraklis, Koshy, George, Lee, Khee-Gan, Nusser, Adi, Pancoast, Anna, Peng, Eric, Peroux, Celine, Petitjean, Patrick, Pichon, Christophe, Poggianti, Bianca, Schmid, Carlo, Shastri, Prajval, Shen, Yue, Willot, Chris, Croom, Scott, Lallement, Rosine, Schimd, Carlo, Smith, Dan, Walker, Matthew, Willis, Jon, Colless, Alessandro Bosselli Matthew, Goswami, Aruna, Jarvis, Matt, Jullo, Eric, Kneib, Jean-Paul, Konstantopoloulous, Iraklis, Newman, Jeff, Richard, Johan, Sutaria, Firoza, Taylor, Edwar, Waerbeke, Ludovic, Battaglia, Giuseppina, Hall, Pat, Haywood, Misha, Sakari, Charli, Seibert, Arnaud, Thirupathi, Sivarani, Wang, Yuting, Wang, Yiping, Babas, Ferdinand, Bauman, Steve, Caffau, Elisabetta, Laychak, Mary Beth, Crampton, David, Devost, Daniel, Flagey, Nicolas, Han, Zhanwen, Higgs, Clare, Hill, Vanessa, Ho, Kevin, Isani, Sidik, Mignot, Shan, Murowinski, Rick, Pandey, Gajendra, Salmon, Derrick, Siebert, Arnaud, Simons, Doug, Starkenburg, Else, Szeto, Kei, Tully, Brent, Vermeulen, Tom, Withington, Kanoa, Arimoto, Nobuo, Asplund, Martin, Aussel, Herve, Bannister, Michele, Bhatt, Harish, Bhargavi, Ss, Blakeslee, John, Bland-Hawthorn, Joss, Bullock, James, Burgarella, Denis, Chang, Tzu-Ching, Cole, Andrew, Cooke, Jeff, Cooper, Andrew, Di Matteo, Paola, Favole, Ginevra, Flores, Hector, Gaensler, Bryan, Garnavich, Peter, Karoline Gilbert, Gonzalez-Delgado, Rosa, Guhathakurta, Puragra, Hasinger, Guenther, Herwig, Falk, Hwang, Narae, Jablonka, Pascale, Jarvis, Matthew, Kamath, Umanath, Kewley, Lisa, Le Borgne, Damien, Lewis, Geraint, Lupton, Robert, Martell, Sarah, Mateo, Mario, Mena, Olga, Nataf, David, Newman, Jeffrey, Pérez, Enrique, Prada, Francisco, Puech, Mathieu, Recio-Blanco, Alejandra, Robin, Annie, Saunders, Will, Smith, Daniel, Stalin, C. S., Tao, Charling, Thanjuvur, Karun, Tresse, Laurence, Waerbeke, Ludo, Wang, Jian-Min, Yong, David, Zhao, Gongbo, Boisse, Patrick, Bolton, James, Bonifacio, Piercarlo, Bouchy, Francois, Cowie, Len, Cunha, Katia, Deleuil, Magali, Mooij, Ernst, Dufour, Patrick, Foucaud, Sebastien, Glazebrook, Karl, Hutchings, John, Kobayashi, Chiaki, Kudritzki, Rolf-Peter, Li, Yang-Shyang, Lin, Lihwai, Lin, Yen-Ting, Makler, Martin, Narita, Norio, Park, Changbom, Ransom, Ryan, Ravindranath, Swara, Eswar Reddy, Bacham, Sawicki, Marcin, Simard, Luc, Srianand, Raghunathan, Storchi-Bergmann, Thaisa, Umetsu, Keiichi, Wang, Ting-Gui, Woo, Jong-Hak, Wu, Xue-Bing, Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Observatoire astronomique de Strasbourg (ObAS), Université de Strasbourg (UNISTRA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), NRC Herzberg Institute of Astrophysics, National Research Council of Canada (NRC), Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Departamento de FisicaTeorica e IFT-UAM/CSIC, Universidad Autónoma de Madrid (UAM), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Cornell Lab of Ornithology, Cornell University [New York], Recherches Epistémologiques et Historiques sur les Sciences Exactes et les Institutions Scientifiques (REHSEIS (UMR_7596)), Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), University of Edinburgh, Galaxies, Etoiles, Physique, Instrumentation (GEPI), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), CSIRO Digital Productivity Flagship, Public Health Agency of Canada, Laboratoire d'Astrophysique de Toulouse-Tarbes, École normale supérieure - Lyon (ENS Lyon)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées, Department of Electrical and Computer Engineering [Minneapolis] (ECE), University of Minnesota [Twin Cities] (UMN), University of Minnesota System-University of Minnesota System, Herzberg Institute of Astrophysics, Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Cosmologie, Astrophysique Stellaire & Solaire, de Planétologie et de Mécanique des Fluides (CASSIOPEE), Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Department of electronic engineering, Chang Gung University, Canada-France-Hawaii Telescope Corporation (CFHT), National Research Council of Canada (NRC)-Centre National de la Recherche Scientifique (CNRS)-University of Hawai'i [Honolulu] (UH), Anglo-Australian Observatory (AAO), AUTRES, Instituto de Fisica Corpuscular (IFIC), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Universitat de València (UV), Instituto de Astrofísica de Andalucía (IAA), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Univers, Transport, Interfaces, Nanostructures, Atmosphère et environnement, Molécules (UMR 6213) (UTINAM), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Cosmological Impact of the First Stars (CIFIST), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL), Département de médecine oncologique, CRLCC Paul Strauss, Centre for Astrophysics and Supercomputing [Swinburne] (CAS), Swinburne University of Technology [Melbourne], Laboratoire Univers et Particules de Montpellier (LUPM), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Department of Chemical and Biomolecular Engineering, School of Physics, Korea Institute for Advanced Study (KIAS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS), Études des Structures, des Processus d’Adaptation et des Changements de l’Espace (ESPACE), Université Nice Sophia Antipolis (... - 2019) (UNS), Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Avignon Université (AU)-Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), Universidad Autonoma de Madrid (UAM), Cornell University, Recherches Epistémologiques et Historiques sur les Sciences Exactes et les Institutions Scientifiques (REHSEIS), PSL Research University (PSL)-PSL Research University (PSL)-Centre National de la Recherche Scientifique (CNRS), University of Minnesota [Twin Cities], Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Consejo Superior de Investigaciones Científicas [Spain] (CSIC)-Universitat de València (UV), Consejo Superior de Investigaciones Científicas [Spain] (CSIC), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), PSL Research University (PSL)-PSL Research University (PSL), Université de Montpellier (UM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Observatoire de Paris, Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Cornell Laboratory of Ornithology, Laboratoire Astrophysique de Toulouse-Tarbes (LATT), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), and Cornell Lab of Ornithology [New York]

Subjects
[SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], Astrophysics of Galaxies (astro-ph.GA), Astrophysics::Instrumentation and Methods for Astrophysics, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - Astrophysics of Galaxies, Instrumentation and Methods for Astrophysics (astro-ph.IM), Astrophysics::Galaxy Astrophysics
Abstract

MSE is an 11.25m aperture observatory with a 1.5 square degree field of view that will be fully dedicated to multi-object spectroscopy. More than 3200 fibres will feed spectrographs operating at low (R ~ 2000 - 3500) and moderate (R ~ 6000) spectral resolution, and approximately 1000 fibers will feed spectrographs operating at high (R ~ 40000) resolution. MSE is designed to enable transformational science in areas as diverse as tomographic mapping of the interstellar and intergalactic media; the in-situ chemical tagging of thick disk and halo stars; connecting galaxies to their large scale structure; measuring the mass functions of cold dark matter sub-halos in galaxy and cluster-scale hosts; reverberation mapping of supermassive black holes in quasars; next generation cosmological surveys using redshift space distortions and peculiar velocities. MSE is an essential follow-up facility to current and next generations of multi-wavelength imaging surveys, including LSST, Gaia, Euclid, WFIRST, PLATO, and the SKA, and is designed to complement and go beyond the science goals of other planned and current spectroscopic capabilities like VISTA/4MOST, WHT/WEAVE, AAT/HERMES and Subaru/PFS. It is an ideal feeder facility for E-ELT, TMT and GMT, and provides the missing link between wide field imaging and small field precision astronomy. MSE is optimized for high throughput, high signal-to-noise observations of the faintest sources in the Universe with high quality calibration and stability being ensured through the dedicated operational mode of the observatory. (abridged), Comment: 210 pages, 91 figures. Exposure draft. Appendices to the Detailed Science Case can be found at http://mse.cfht.hawaii.edu/docs/

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