801 results on '"Johnson, Les"'
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2. Lived experiences of transgender and nonbinary people in the perioperative context: a qualitative study
- Author
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MacCormick, Hilary, Johnson, Les T., Burchell, Drew, Allana Munro, Lorello, Gianni R., George, Ronald B., and Bould, M. Dylan
- Subjects
Transgender people -- Beliefs, opinions and attitudes ,Primary health care -- Methods ,Perioperative care -- Methods ,Health - Abstract
Background: Transgender and nonbinary (TNB) people experience obstacles that create barriers to accessing health care, including stigmatization and health inequities. Our intention was to describe the lived experiences of TNB patients and identify potential gaps in the education of health care professionals. Methods: We conducted a qualitative descriptive study influenced by phenomenology by interviewing with TNB adults who underwent surgery in Canada within the previous 5 years. We recruited participants using purposeful and snowball sampling via online social networking sites. Audio recordings were transcribed. Two authors coded the transcripts and derived the themes. Results: We interviewed 21 participants, with a median interview duration of 49 minutes. Participants described positive and negative health care encounters that led to stress, confusion, and feelings of vulnerability. Major themes included having to justify their need for health care in the face of structural discrimination; fear and previous traumatic experiences; community as a source of support and information; and the impact of interactions with health care professionals. Interpretation: Participants detailed barriers to accessing care, struggled to participate in shared decision-making, and desired trauma-informed care principles; they described strength in community and positive interactions with health care professionals, although barriers to accessing gender-affirming care often overshadowed other aspects of the perioperative experience. Additional research, increased education for health care professionals, and policy changes are necessary to improve access to competent care for TNB people., Transgender and nonbinary (TNB) identities can be defined as when 'gender identities and/or gender expressions are not what is typically expected for the sex to which they were assigned at [...]
- Published
- 2024
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3. Solar Sail Propulsion by 2050: An Enabling Capability for Heliophysics Missions
- Author
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Johnson, Les, Barnes, Nathan, Ceriotti, Matteo, Chen, Thomas Y., Davoyan, Artur, Friedman, Louis, Garber, Darren, Kezerashvili, Roman, Kobayashi, Ken, Matloff, Greg, McInnes, Colin, Mulligan, Pat, Swartzlander, Grover, and Turyshev, Slava G.
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - Earth and Planetary Astrophysics ,Astrophysics - Solar and Stellar Astrophysics - Abstract
Solar sails enable missions to observe the solar environment from unique vantage points, such as sustained observations away from the Sun-Earth line; sub-L1 station keeping; high inclination solar orbits; Earth polar-sitting and polar-viewing observatories; fast transit missions to study heliosphere to interstellar medium transition, as well as missions of interest across a broad user community. Recent and planned demonstration missions make this technology ready for use on near-term science missions., Comment: Heliophysics 2050 White Paper
- Published
- 2023
4. Early trajectories of virological and immunological biomarkers and clinical outcomes in patients admitted to hospital for COVID-19: an international, prospective cohort study
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Sahner, David, Tierney, John, Vogel, Susan E., Herpin, Betsey R., Smolskis, Mary C., McKay, Laura A., Cahill, Kelly, Crew, Page, Sardana, Ratna, Raim, Sharon Segal, Hensely, Lisa, Lorenzo, Johsua, Mock, Rebecca, Zuckerman, Judith, Atri, Negin, Miller, Mark, Vallee, David, Chung, Lucy, Kang, Nayon, Barrett, Kevin, Adam, Stacey J., Read, Sarah, Draghia-Akli, Ruxandra, Currier, Judy, Hughes, Eric, Harrigan, Rachel H., Amos, Laura, Carlsen, Amy, Carter, Anita, Collins, Gary, Davis, Bionca, Denning, Eileen, DuChene, Alain, Eckroth, Kate, Engen, Nicole, Frase, Alex, Gandits, Greg, Grund, Birgit, Harrison, Merrie, Hurlbut, Nancy, Kaiser, Payton, Koopmeiners, Joseph, Larson, Gregg, Meger, Sue, Mistry, Shweta Sharma, Murray, Thomas, Nelson, Ray, Quan, Kien, Quan, Siu Fun, Reilly, Cavan, Siegel, Lianne, Thompson, Greg, Vock, David, Walski, Jamie, Gelijns, Annetine C., Moskowitz, Alan J., Bagiella, Emilia, Moquete, Ellen, O'Sullivan, Karen, Marks, Mary E., Accardi, Evan, Kinzel, Emily, Burris, Sarah, Bedoya, Gabriela, Gupta, Lola, Overbey, Jessica R., Santos, Milerva, Gillinov, Marc A., Miller, Marissa A., Taddei-Peters, Wendy C., Fenton, Kathleen, Sandkovsky, Uriel, Gottlieb, Robert L., Mack, Michael, Berhe, Mezgebe, Haley, Clinton, Dishner, Emma, Bettacchi, Christopher, Golden, Kevin, Duhaime, Erin, Ryan, Madison, Tallmadge, Catherine, Estrada, Lorie, Jones, Felecia, Villa, Samatha, Wang, Samatha, Robert, Raven, Coleman, Tanquinisha, Clariday, Laura, Baker, Rebecca, Hurutado-Rodriguez, Mariana, Iram, Nazia, Fresnedo, Michelle, Davis, Allyson, Leonard, Kiara, Ramierez, Noelia, Thammavong, Jon, Duque, Krizia, Turner, Emma, Fisher, Tammy, Robinson, Dianna, Ransom, Desirae, Maldonado, Nicholas, Lusk, Erica, Killian, Aaron, Palacious, Adriana, Solis, Edilia, Jerrow, Janet, Watts, Matthew, Whitacre, Heather, Cothran, Elizabeth, Smith, Peter K., Barkauskas, Christina E., Vekstein, Andrew M., Ko, Emily R., Dreyer, Grace R., Stafford, Neil, Brooks, Megan, Der, Tatyana, Witte, Marie, Gamarallage, Ruwan, Franzone, John, Ivey, Noel, Lumsden, Rebecca H., Mosaly, Nilima, Mourad, Ahmaad, Holland, Thomas L., Motta, Mary, Lane, Kathleen, McGowan, Lauren M., Stout, Jennifer, Aloor, Heather, Bragg, Kennesha M., Toledo, Barvina, McLendon-Arvik, Beth, Bussadori, Barbara, Hollister, Beth A., Griffin, Michelle, Giangiacomo, Dana M., Rodriguez, Vicente, Bokhart, Gordon, Eichman, Sharon M., Parrino, Patrick E., Spindel, Stephen, Bansal, Aditya, Baumgarten, Katherine, Hand, Johnathan, Vonderhaar, Derek, Nossaman, Bobby, Sylvia Laudun, Ames, DeAnna, Broussard, Shane, Hernandez, Nilmo, Isaac, Geralyn, Dinh, Huan, Zheng, Yiling, Tran, Sonny, McDaniel, Hunter, Crovetto, Nicolle, Perin, Emerson, Costello, Briana, Manian, Prasad, Sohail, M. 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Shane, Nyatsatsang, Sonam T., Wilson, David M., Wallick, Julie A., Duven, Alexandria M., Fletcher, Dakota D., Miller, Chadwick, Files, D. Clark, Gibbs, Kevin W., Flores, Lori S., LaRose, Mary E., Landreth, Leigha D., Palacios, D. Rafael, Parks, Lisa, Hicks, Madeline, Goodwin, Andrew J., Kilb, Edward F., Lematty, Caitlan T., Patti, Kerilyn, Grady, Abigail, Rasberry, April, Morris, Peter E., Sturgill, Jamie L., Cassity, Evan P., Dhar, Sanjay, Montgomery-Yates, Ashley A., Pasha, Sarah N., Mayer, Kirby P., Pharm.D., Brittany Bissel, Trott, Terren, Rehman, Shahnaz, de Wit, Marjolein, Mason, Jessica, Bledsoe, Joseph, Knowlton, Kirk U., Brown, Samuel, Lanspa, Michael, Leither, Lindsey, Pelton, Ithan, Armbruster, Brent P., Montgomery, Quinn, Kumar, Naresh, Fergus, Melissa, Imel, Karah, Palmer, Ghazal, Webb, Brandon, Klippel, Carolyn, Jensen, Hannah, Duckworth, Sarah, Gray, Andrew, Burke, Tyler, Knox, Dan, Lumpkin, Jenna, Aston, Valerie T., Applegate, Darrin, Serezlic, Erna, Brown, Katie, Merril, Mardee, Harris, Estelle S., Middleton, Elizabeth A., Barrios, Macy A.G., Greer, Jorden, Schmidt, Amber D., Webb, Melissa K., Paine, Roert, Callahan, Sean J., Waddoups, Lindsey J., Yamane, Misty B., Self, Wesley H., Rice, Todd W., Casey, Jonathan D., Johnson, Jakea, Gray, Christopher, Hays, Margaret, Roth, Megan, Menon, Vidya, Kasubhai, Moiz, Pillai, Anjana, Daniel, Jean, Sittler, Daniel, Kanna, Balavenkatesh, Jilani, Nargis, Amaro, Francisco, Santana, Jessica, Lyakovestsky, Aleksandr, Madhoun, Issa, Desroches, Louis Marie, Amadon, Nicole, Bahr, Alaa, Ezzat, Imaan, Guerrero, Maryanne, Padilla, Joane, Fullmer, Jessie, Singh, Inderpreet, Ali Shah, Syed Hamad, Narang, Rajeev, Mock, Polly, Shadle, Melissa, Hernandez, Brenda, Welch, Kevin, Payne, Andrea, Ertl, Gabriela, Canario, Daniel, Barrientos, Isabel, Goss, Danielle, DeVries, Mattie, Folowosele, Ibidolapo, Garner, Dorothy, Gomez, Mariana, Price, Justin, Bansal, Ekta, Wong, Jim, Faulhaber, Jason, Fazili, Tasaduq, Yeary, Brian, Ndolo, Ruth, Bryant, Christina, Smigeil, Bridgette, Robinson, Philip, Najjar, Rana, Jones, Patrice, Nguyen, Julie, Chin, Christina, Taha, Hassan, Najm, Salah, Smith, Christopher, Moore, Jason, Nassar, Talal, Gallinger, Nick, Christian, Amy, Mauer, D’Amber, Phipps, Ashley, Waters, Michael, Zepeda, Karla, Coslet, Jordan, Landazuri, Rosalynn, Pineda, Jacob, Uribe, Nicole, Garcia, Jose Ruiz, Barbabosa, Cecilia, Sandler, Kaitlyn, Overcash, J. Scott, Marquez, Adrienna, Chu, Hanh, Lee, Kia, Quillin, Kimberly, Garcia, Andrea, Lew, Pauline, Rogers, Ralph, Shehadeh, Fadi, Mylona, Evangelia K., Kaczynski, Matthew, Tran, Quynh-Lam, Benitez, Gregorio, Mishra, Biswajit, Felix, Lewis Oscar, Vafea, Maria Tsikala, Atalla, Eleftheria, Davies, Robin, Hedili, Salma, Monkeberg, Maria Andrea, Tabler, Sandra, Harrington, Britt, Meegada, Sreenath, Koripalli, Venkata Sandeep, Muddana, Prithvi, Jain, Lakshay, Undavalli, Chaitanya, Kavya, Parasa, Ibiwoye, Mofoluwaso, Akilo, Hameed, Lovette, Bryce D., Wylie, Jamie-Crystal, Smith, Diana M., Poon, Kenneth, Eckardt, Paula, Heysu, Rubio-Gomez, Sundararaman, Nithya, Alaby, Doris, Sareli, Candice, Sánchez, Adriana, Popielski, Laura, Kambo, Amy, Viens, Kimberley, Turner, Melissa, Vjecha, Michael J., Weintrob, Amy, Brar, Indira, Markowitz, Norman, Pastor, Erika, Corpuz, Roweena, Alangaden, George, McKinnon, John, Ramesh, Mayur, Herc, Erica, Yared, Nicholas, Lanfranco, Odaliz Abreu, Rivers, Emanuel, Swiderek, Jennifer, Gupta, Ariella Hodari, Pabla, Pardeep, Eliya, Sonia, Jazrawi, Jehan, Delor, Jeremy, Desai, Mona, Cook, Aaron, Jaehne, Anja Kathrina, Gill, Jasreen Kaur, Renaud, Sheri, Sarveswaran, Siva, Gardner, Edward, Scott, James, Bianchini, Monica, Melvin, Casey, Kim, Gina, Wyles, David, Kamis, Kevin, Miller, Rachel, Douglas, Ivor, Haukoos, Jason, Hicks, Carrie, Lazarte, Susana, Marines-Price, Rubria, Osuji, Alice, Agbor Agbor, Barbine Tchamba, Petersen, Tianna, Kamel, Dena, Hansen, Laura, Garcia, Angie, Cha, Christine, Mozaffari, Azadeh, Hernandez, Rosa, Cutrell, James, Kim, Mina, DellaValle, Natalie, Gonzales, Sonia, Somboonwit, Charurut, Oxner, Asa, Guerra, Lucy, Hayes, Michael, Nguyen, Thi, Tran, Thanh, Pinto, Avenette, Hatlen, Timothy, Anderson, Betty, Zepeda-Gutierrez, Ana, Martin, Dannae, Temblador, Cindi, Cuenca, Avon, Tanoviceanu, Roxanne, Prieto, Martha, Guerrero, Mario, Daar, Eric, Correa, Ramiro, Hartnell, Gabe, Wortmann, Glenn, Doshi, Saumil, Moriarty, Theresa, Gonzales, Melissa, Garman, Kristin, Baker, Jason V., Frosch, Anne, Goldsmith, Rachael, Driver, Brian, Frank, Christine, Leviton, Tzivia, Prekker, Matthew, Jibrell, Hodan, Lo, Melanie, Klaphake, Jonathan, Mackedanz, Shari, Ngo, Linh, Garcia-Myers, Kelly, Kunisaki, Ken M., Wendt, Chris, Melzer, Anne, Wetherbee, Erin, Drekonja, Dimitri, Pragman, Alexa, Hamel, Aimee, Thielen, Abbie, Hassler, Miranda, Walquist, Mary, Augenbraun, Michael, George, Jensen, Demeo, Lynette, Mishko, Motria, Thomas, Lorraine, Tatem, Luis, Dehovitz, Jack, Abassi, Mahsa, Leuck, Anne-Marie, Rao, Via, Pullen, Matthew, Luke, Darlette, LaBar, Derek, Christiansen, Theresa, Howard, Diondra, Biswas, Kousick, Harrington, Cristin, Garcia, Amanda, Bremer, Tammy, Burke, Tara, Koker, Brittany, Davis-Karim, Anne, Pittman, David, Vasudeva, Shikha S., Johnstone, Jaylynn R., Agnetti, Kate, Davis, Ruby, Trautner, Barbara, Hines-Munson, Casey, Van, John, Dillon, Laura, Wang, Yiqun, Nagy-Agren, Stephanie, Vasudeva, Shikha, Ochalek, Tracy, Caldwell, Erin, Humerickhouse, Edward, Boone, David, McGraw, William, Looney, David J., Mehta, Sanjay R., Johns, Scott Thompson, St. John, Melissa, Raceles, Jacqueline, Sear, Emily, Funk, Stephen, Cesarini, Rosa, Fang, Michelle, Nicalo, Keith, Drake, Wonder, Jones, Beatrice, Holtman, Teresa, Nguyen, Hien H., Maniar, Archana, Johnson, Eric A., Nguyen, Lam, Tran, Michelle T., Barrett, Thomas W., Johnston, Tera, Huggins, John T., Beiko, Tatsiana Y., Hughes, Heather Y., McManigle, William C., Tanner, Nichole T., Washburn, Ronald G., Ardelt, Magdalena, Tuohy, Patricia A., Mixson, Jennifer L., Hinton, Charles G., Thornley, Nicola, Allen, Heather, Elam, Shannon, Boatman, Barry, Baber, Brittany J., Ryant, Rudell, Roller, Brentin, Nguyen, Chinh, Mikail, Amani Morgan, Research, Marivic Hansen, Lichtenberger, Paola, Baracco, Gio, Ramos, Carol, Bjork, Lauren, Sueiro, Melyssa, Tien, Phyllis, Freasier, Heather, Buck, Theresa, Nekach, Hafida, Holodniy, Mark, Chary, Aarthi, Lu, Kan, Peters, Theresa, Lopez, Jessica, Tan, Susanna Yu, Lee, Robert H., Asghar, Aliya, Karyn Isip, Tasadduq Karim, Le, Katherine, Nguyen, Thao, Wong, Shinn, Raben, Dorthe, Murray, Daniel D., Jensen, Tomas O., Peters, Lars, Aagaard, Bitten, Nielsen, Charlotte B., Krapp, Katharina, Nykjær, Bente Rosdahl, Olsson, Christina, Kanne, Katja Lisa, Grevsen, Anne Louise, Joensen, Zillah Maria, Bruun, Tina, Bojesen, Ane, Woldbye, Frederik, Normand, Nick E., Esman, Frederik V.L., Benfield, Thomas, Clausen, Clara Lundetoft, Hovmand, Nichlas, Israelsen, Simone Bastrup, Iversen, Katrine, Leding, Caecilie, Pedersen, Karen Brorup, Thorlacius-Ussing, Louise, Tinggaard, Michaela, Tingsgard, Sandra, Krohn-Dehli, Louise, Pedersen, Dorthe, Villadsen, Signe, Staehr Jensen, Jens-Ulrik, Overgaard, Rikke, Rastoder, Ema, Heerfordt, Christian, Hedsund, Caroline, Ronn, Christian Phillip, Kamstrup, Peter Thobias, Hogsberg, Dorthe Sandbaek, Bergsoe, Christina, Søborg, Christian, Hissabu, Nuria M.S., Arp, Bodil C., Ostergaard, Lars, Staerke, Nina Breinholt, Yehdego, Yordanos, Sondergaard, Ane, Johansen, Isik S., Pedersen, Andreas Arnholdt, Knudtzen, Fredrikke C., Larsen, Lykke, Hertz, Mathias A., Fabricius, Thilde, Holden, Inge K., Lindvig, Susan O., Helleberg, Marie, Gerstoft, Jan, Kirk, Ole, Jensen, Tomas Ostergaard, Madsen, Birgitte Lindegaard, Pedersen, Thomas Ingemann, Harboe, Zitta Barrella, Roge, Birgit Thorup, Hansen, Thomas Michael, Glesner, Matilde Kanstrup, Lofberg, Sandra Valborg, Nielsen, Ariella Denize, Leicht von Huth, Sebastian, Nielsen, Henrik, Thisted, Rikke Krog, Petersen, Kristine Toft, Juhl, Maria Ruwald, Podlekareva, Daria, Johnsen, Stine, Andreassen, Helle Frost, Pedersen, Lars, Clara Ellinor Lindnér, Cecilia Ebba, Wiese, Lothar, Knudsen, Lene Surland, Skrøder Nytofte, Nikolaj Julian, Havmøller, Signe Ravn, Expósito, Maria, Badillo, José, Martínez, Ana, Abad, Elena, Chamorro, Ana, Figuerola, Ariadna, Mateu, Lourdes, España, Sergio, Lucero, Maria Constanza, Santos, José Ramón, Lladós, Gemma, Lopez, Cristina, Carabias, Lydia, Molina-Morant, Daniel, Loste, Cora, Bracke, Carmen, Siles, Adrian, Fernández-Cruz, Eduardo, Di Natale, Marisa, Padure, Sergiu, Gomez, Jimena, Ausin, Cristina, Cervilla, Eva, Balastegui, Héctor, Sainz, Carmen Rodríguez, Lopez, Paco, Carbone, Javier, Escobar, Mariam, Balerdi, Leire, Legarda, Almudena, Roldan, Montserrat, Letona, Laura, Muñoz, José, Camprubí, Daniel, Arribas, Jose R., Sánchez, Rocio Montejano, Díaz-Pollán, Beatriz, Stewart, Stefan Mark, Garcia, Irene, Borobia, Alberto, Mora-Rillo, Marta, Estrada, Vicente, Cabello, Noemi, Nuñez-Orantos, M.J., Sagastagoitia, I., Homen, J.R., Orviz, E., Montalvá, Adrián Sánchez, Espinosa-Pereiro, Juan, Bosch-Nicolau, Pau, Salvador, Fernando, Burgos, Joaquin, Morales-Rull, Jose Luis, Moreno Pena, Anna Maria, Acosta, Cristina, Solé-Felip, Cristina, Horcajada, Juan P., Sendra, Elena, Castañeda, Silvia, López-Montesinos, Inmaculada, Gómez-Junyent, Joan, Gonzáles, Carlota Gudiol, Cuervo, Guilermo, Pujol, Miquel, Carratalà, Jordi, Videla, Sebastià, Günthard, Huldrych, Braun, Dominique L., West, Emily, M’Rabeth-Bensalah, Khadija, Eichinger, Mareile L., Grüttner-Durmaz, Manuela, Grube, Christina, Zink, Veronika, pharmacist, Goes pharmacist, Josefine, Fätkenheuer, Gerd, Malin, Jakob J., Tsertsvadze, Tengiz, Abutidze, Akaki, Chkhartishvili, Nikoloz, Metchurtchlishvili, Revaz, Endeladze, Marina, Paciorek, Marcin, Bursa, Dominik, Krogulec, Dominika, Pulik, Piotr, Ignatowska, Anna, Horban, Andrzej, Bakowska, Elzbieta, Kowaska, Justyna, Bednarska, Agnieszka, Jurek, Natalia, Skrzat-Klapaczynska, Agata, Bienkowski, Carlo, Hackiewicz, Malgorzata, Makowiecki, Michal, Platowski, Antoni, Fishchuk, Roman, Kobrynska, Olena, Levandovska, Khrystyna, Kirieieva, Ivanna, Kuziuk, Mykhailo, Naucler, Pontus, Perlhamre, Emma, Mazouch, Lotta, Kelleher, Anthony, Polizzotto, Mark, Carey, Catherine, Chang, Christina C., Hough, Sally, Virachit, Sophie, Davidson, Sarah, Bice, Daniel J., Ognenovska, Katherine, Cabrera, Gesalit, Flynn, Ruth, Young, Barnaby E., Chia, Po Ying, Lee, Tau Hong, Lin, Ray J., Lye, David C., Ong, Sean W.X., Puah, Ser Hon, Yeo, Tsin Wen, Diong, Shiau Hui, Ongko, Juwinda, Yeo, He Ping, Eriobu, Nnakelu, Kwaghe, Vivian, Zaiyad, Habib, Idoko, Godwin, Uche, Blessing, Selvamuthu, Poongulali, Kumarasamy, Nagalingeswaran, Beulah, Faith Ester, Govindarajan, Narayan, Mariyappan, Kowsalya, Losso, Marcelo H., Abela, Cecilia, Moretto, Renzo, Belloc, Carlos G., Ludueña, Jael, Amar, Josefina, Toibaro, Javier, Macias, Laura Moreno, Fernandez, Lucia, Frare, Pablo S., Chaio, Sebastian R., Pachioli, Valeria, Timpano, Stella M., Sanchez, Marisa del Lujan, de Paz Sierra, Mariana, Stanek, Vanina, Belloso, Waldo, Cilenti, Flavia L., Valentini, Ricardo N., Stryjewski, Martin E., Locatelli, Nicolas, Soler Riera, Maria C., Salgado, Clara, Baeck, Ines M., Di Castelnuovo, Valentina, Zarza, Stella M., Hudson, Fleur, Parmar, Mahesh K.B., Goodman, Anna L., Dphil, Badrock, Jonathan, Gregory, Adam, Goodall, Katharine, Harris, Nicola, Wyncoll, James, Bhagani, S., Rodger, A., Luntiel, A., Patterson, C., Morales, J., Witele, E., Preston, A.-M., Nandani, A., Price, D.A., Hanrath, Aiden, Nell, Jeremy, Patel, Bijal, Hays, Carole, Jones, Geraldine, Davidson, Jade, Bawa, T., Mathews, M., Mazzella, A., Bisnauthsing, K., Aguilar-Jimenez, L., Borchini, F., Hammett, S., Touloumi, Giota, Pantazis, Nikos, Gioukari, Vicky, Souliou, Tania, Antoniadou, A., Protopapas, K., Kavatha, D., Grigoropoulou, S., Oikonomopoulo, C., Moschopoulos, C., Koulouris, N.G., Tzimopoulos, K., Koromilias, A., Argyraki, K., Lourida, P., Bakakos, P., Kalomenidis, I., Vlachakos, V., Barmparessou, Z., Balis, E., Zakynthinos, S., Sigala, I., Gianniou, N., Dima, E., Magkouta, S., Synolaki, E., Konstanta, S., Vlachou, M., Stathopoulou, P., Panagopoulos, P., Petrakis, V., Papazoglou, D., Tompaidou, E., Isaakidou, E., Poulakou, G., Rapti, V., Leontis, K., Nitsotolis, T., Athanasiou, K., Syrigos, K., Kyriakoulis, K., Trontzas, I., Arfara-Melanini, M., Kolonis, V., Kityo, Cissy, Mugerwa, Henry, Kiweewa, Francis, Kimuli, Ivan, Lukaakome, Joseph, Nsereko, Christoher, Lubega, Gloria, Kibirige, Moses, Nakahima, William, Wangi, Deus, Aguti, Evelyne, Generous, Lilian, Massa, Rosemary, Nalaki, Margaret, Magala, Felix, Nabaggala, Phiona Kaweesi, Kidega, Robert, Faith, Oryem Daizy, Florence, Apio, Emmanuel, Ocung, Beacham, Mugoonyi Paul, Geoffrey, Amone, Nakiboneka, Dridah, Apiyo, Paska, Kirenga, Bruce, Atukunda, Angella, Muttamba, Winters, Remmy, Kyeyume, Segawa, Ivan, Pheona, Nsubuga, Kigere, David, Mbabazi, Queen Lailah, Boersalino, Ledra, Nyakoolo, Grace, Fred, Aniongo, Alupo, Alice, Ebong, Doryn, Monday, Edson, Nalubwama, Ritah Norah, Kainja, Milton, Ambrose, Munu, Kwehayo, Vanon, Nalubega, Mary Grace, Ongoli, Augustine, Obbo, Stephen, Sebudde, Nicholus, Alaba, Jeniffer, Magombe, Geoffrey, Tino, Harriet, Obonya, Emmanuel, Lutaakome, Joseph, Kitonsa, Jonathan, Onyango, Martin, Naboth, Tukamwesiga, Naluyinda, Hadijah, Nanyunja, Regina, Irene, Muttiibwa, Jane, Biira, Wimfred, Kyobejja, Leonard, Ssemazzi, Deus, Tkiinomuhisha, Babra, Namasaba, Taire, Paul, Nabankema, Evelyn, Ogavu, Joseph, Mugerwa, Oscar, Okoth, Ivan, Mwebaze, Raymond, Mugabi, Timothy, Makhoba, Anthony, Arikiriza, Phiona, Theresa, Nabuuma, Nakayima, Hope, Frank, Kisuule, Ramgi, Patrícia, Pereira, Kássia, Osinusi, Anu, Cao, Huyen, Klekotka, Paul, Price, Karen, Nirula, Ajay, Osei, Suzette, Tipple, Craig, Wills, Angela, Peppercorn, Amanda, Watson, Helen, Gupta, Rajesh, Alexander, Elizabeth, Mogalian, Erik, Lin, Leo, Ding, Xiao, Margolis, David, Yan, Li, Girardet, Jean-Luc, Ma, Ji, Hong, Zhi, Zhu, Quing, Seegobin, Seth, Gibbs, Michael, Latchman, Mickel, Hasior, Katarzyna, Bouquet, Jerome, Wei, Jianxin, Streicher, Katie, Schmelzer, Albert, Brooks, Dennis, Butcher, Jonny, Tonev, Dimitar, Arbetter, Douglas, Damstetter, Philippe, Legenne, Philippe, Stumpp, Michael, Goncalves, Susana, Ramanathan, Krishnan, Chandra, Richa, Baseler, Beth, Teitelbaum, Marc, Schechner, Adam, Holley, H. Preston, Jankelevich, Shirley, Becker, Nancy, Dolney, Suzanne, Hissey, Debbie, Simpson, Shelly, Kim, Mi Ha, Beeler, Joy, Harmon, Liam, Asomah, Mabel, Jato, Yvonne, Stottlemyer, April, Tang, Olivia, Vanderpuye, Sharon, Yeon, Lindsey, Buehn, Molly, Eccard-Koons, Vanessa, Frary, Sadie, MacDonald, Leah, Cash, Jennifer, Hoopengardner, Lisa, Linton, Jessica, Schaffhauser, Marylu, Nelson, Michaela, Spinelli-Nadzam, Mary, Proffitt, Calvin, Lee, Christopher, Engel, Theresa, Fontaine, Laura, Osborne, C.K., Hohn, Matt, Galcik, Michael, Thompson, DeeDee, Kopka, Stacey, Shelley, Denise M., Mendez, Gregg, Brown, Shawn, Albert, Sara, Balde, Abby, Baracz, Michelle, Bielica, Mona, Billouin-Frazier, Shere, Choudary, Jay, Dixon, Mary, Eyler, Carolyn, Frye, Leanne, Gertz, Jensen, Giebeig, Lisa, Gulati, Neelam, Hankinson, Liz, Hogarty, Debi, Huber, Lynda, Krauss, Gary, Lake, Eileen, Manandhar, Meryan, Rudzinski, Erin, Sandrus, Jen, Suders, Connie, Natarajan, Ven, Rupert, Adam W., Baseler, Michael, Lynam, Danielle, Imamichi, Tom, Laverdure, Sylvain, McCormack, Ashley, Paudel, Sharada, Cook, Kyndal, Haupt, Kendra, Khan, Ayub, Hazen, Allison, Badralmaa, Yunden, Smith, Kenneth, Patel, Bhakti, Kubernac, Amanda, Kubernac, Robert, Hoover, Marie L., Solomon, Courtney, Rashid, Marium, Murphy, Joseph, Brown, Craig, DuChateau, Nadine, Ellis, Sadie, Flosi, Adam, Fox, Lisa, Johnson, Les, Nelson, Rich, Stojanovic, Jelena, Treagus, Amy, Wenner, Christine, Williams, Richard, Jensen, Tomas O, Murray, Thomas A, Grandits, Greg A, Jain, Mamta K, Shaw-Saliba, Kathryn, Matthay, Michael A, Baker, Jason V, Dewar, Robin L, Goodman, Anna L, Hatlen, Timothy J, Highbarger, Helene C, Lallemand, Perrine, Leshnower, Bradley G, Looney, David, Moschopoulos, Charalampos D, Murray, Daniel D, Mylonakis, Eleftherios, Rehman, M Tauseef, Rupert, Adam, Stevens, Randy, Turville, Stuart, Wick, Katherine, Lundgren, Jens, and Ko, Emily R
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- 2024
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5. LISA-T part three: The design and space environments testing of a thin-film power generation and communication array
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Carr, John A., Johnson, Les, Boyd, Darren, Phillips, Brandon, Finckenor, Miria, Farmer, Brandon, and Smith, Joseph C.
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- 2023
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6. Recognizing the Value of the Solar Gravitational Lens for Direct Multipixel Imaging and Spectroscopy of an Exoplanet
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Turyshev, Slava G., Shao, Michael, Shen, Janice, Zhou, Hanying, Toth, Viktor T., Friedman, Louis, Alkalai, Leon, Arora, Nitin, Garber, Darren D., Helvajian, Henry, Heinsheimer, Thomas, Janson, Siegfried W., Johnson, Les, Males, Jared R., Nakagawa, Roy, Redfield, Seth, Strange, Nathan, Swain, Mark R., Van Buren, David, West, John L., and Weinstein-Weiss, Stacy
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - Earth and Planetary Astrophysics ,General Relativity and Quantum Cosmology - Abstract
The Solar Gravitational Lens (SGL) allows for major brightness amplification ($\sim 10^{11}$ at wavelength of $1~\mu$m) and extreme angular resolution ($\sim10^{-10}$ arcsec) within a narrow field of view. A meter-class telescope, with a modest coronagraph to block solar light with 1e-6 suppression placed in the focal area of the SGL, can image an exoplanet at a distance of 30 parsec with few kilometer-scale resolution on its surface. Notably, spectroscopic broadband SNR is $\sim 10^{-6}$ in two weeks of integration time, providing this instrument with incredible remote sensing capabilities. A mission capable of exploiting the remarkable optical properties of the SGL allows for direct high-resolution imaging/spectroscopy of a potentially habitable exoplanet. Such missions could allow exploration of exoplanets relying on the SGL capabilities decades, if not centuries, earlier than possible with other extant technologies., Comment: A White Paper to the National Academy of Sciences Committee on an Exoplanet Science Strategy Call for Papers. 6 pages, 3 figures
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- 2018
7. A Traveler’s Guide to the Stars
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Johnson, Les, primary
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- 2022
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8. Efficacy and safety of two neutralising monoclonal antibody therapies, sotrovimab and BRII-196 plus BRII-198, for adults hospitalised with COVID-19 (TICO): a randomised controlled trial
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Self, Wesley H., Sandkovsky, Uriel, Reilly, Cavan S., Vock, David M., Gottlieb, Robert L., Mack, Michael, Golden, Kevin, Dishner, Emma, Vekstein, Andrew, Ko, Emily R., Der, Tatyana, Franzone, John, Almasri, Eyad, Fayed, Mohamed, Filbin, Michael R., Hibbert, Kathryn A., Rice, Todd W., Casey, Jonathan D., Hayanga, J. Awori, Badhwar, Vinay, Leshnower, Bradley G., Sharifpour, Milad, Knowlton, Kirk U., Peltan, Ithan D., Bakowska, Elizieta, Kowalska, Justyna, Bowdish, Michael E., Sturek, Jeffrey M., Rogers, Angela J., Files, D. Clark, Mosier, Jarrod M., Gong, Michelle N., Douin, David J., Hite, R. Duncan, Trautner, Barbara W., Jain, Mamta K., Gardner, Edward M., Khan, Akram, Jensen, Jens-Ulrik, Matthay, Michael A., Ginde, Adit A., Brown, Samuel M., Higgs, Elizabeth S., Pett, Sarah, Weintrob, Amy C., Chang, Christina C., Murrary, Daniel D., Günthard, Huldrych F., Moquete, Ellen, Grandits, Greg, Engen, Nicole, Grund, Birgit, Sharma, Shweta, Cao, Huyen, Gupta, Rajesh, Osei, Suzette, Margolis, David, Zhu, Qing, Polizzotto, Mark N., Babiker, Abdel G., Davey, Victoria J., Kan, Virginia, Thompson, B. Taylor, Gelijns, Annetine C., Neaton, James D., Lane, H. Clifford, Jundgren, Jens D., Tierney, John, Barrett, Kevin, Herpin, Betsey R., Smolskis, Mary C., Voge, Susan E., McNay, Laura A., Cahill, Kelly, Crew, Page, Kirchoff, Matthew, Sardana, Ratna, Raim, Sharon Segal, Chiu, Joseph, Hensley, Lisa, Lorenzo, Josua, Mock, Rebecca, Shaw-Saliba, Katy, Zuckerman, Judith, Adam, Stacey J., Currier, Judy, Read, Sarah, Hughes, Eric, Amos, Laura, Carlsen, Amy, Carter, Anita, Davis, Bionca, Denning, Eileen, DuChene, Alain, Harrison, Merrie, Kaiser, Payton, Koopmeiners, Joseph, Meger, Sue, Murray, Thomas, Quan, Kien, Quan, Siu Fun, Thompson, Greg, Walski, Jamie, Wentworth, Deborah, Moskowitz, Alan J., Bagiella, Emilia, O'Sullivan, Karen, Marks, Mary E., Accardi, Evan, Kinzel, Emily, Bedoya, Gabriela, Gupta, Lopa, Overbey, Jessica R., Padillia, Maria L., Santos, Milerva, Gillinov, Marc A., Miller, Marissa A., Taddei-Peters, Wendy C., Fenton, Kathleen, Berhe, Mezgebe, Haley, Clinton, Bettacchi, Christopher, Duhaime, Erin, Ryan, Madison, Burris, Sarah, Jones, Felecia, Villa, Samantha, Want, Samantha, Robert, Raven, Coleman, Tanquinisha, Clariday, Laura, Baker, Rebecca, Hurutado-Rodriguez, Marian, Iram, Nazia, Fresnedo, Michelle, Davis, Allyson, Leonard, Kiara, Ramierez, Noelia, Thammavong, Jon, Duque, Krizia, Turner, Emma, Fisher, Tammy, Robinson, Dianna, Ransom, Desirae, Lusk, Erica, Killian, Aaron, Palacious, Adriana, Solis, Edilia, Jerrow, Janet, Watts, Matthew, Whitacre, Heather, Cothran, Elizabeth, Smith, Peter K., Barkauskas, Christina E., Dreyer, Grace R., Witte, Marie, Mosaly, Nilima, Mourad, Ahmad, Holland, Thomas L., Lane, Kathleen, Bouffler, Andrew, McGowan, Lauren M., Motta, Marry, Tipton, Gregory, Stallings, Ben, Stout, Gennifer, McLendon-Arvik, Beth, Hollister, Beth A., Giangiacomo, Dana M., Sharma, Sunil, Pappers, Brian, McCarthy, Paul, Krupica, Troy, Sarwari, Arif, Reece, Rebecca, Fornaresio, Lisa, Glaze, Chad, Evans, Raquel, Preamble, Katarina, Sutton, Lisa Giblin, Buterbaugh, Sabrina, Bartolo, Elizabeth Berry, Williams, Roger, Bunner, Robin, Bender, William, Miller, Jeffrey, Baio, Kim T., McBride, Mary K., Fielding, Michele, Mathewson, Sonya, Porte, Kristina, Maton, Missy, Ponder, Chari, Haley, Elizabeth, Spainhour, Christine, Rogers, Susan, Tyler, Derrick, Wald-Dickler, Noah, Hutcheon, Douglass, Towfighi, Amytis, Lee, May M., Lewis, Meghan R., Spellberg, Brad, Sher, Linda, Sharma, Aniket, Olds, Anna P., Justino, Chris, Lozano, Edward, Romero, Chris, Leong, Janet, Rodina, Valentina, Possemato, Tammie, Escobar, Jose, Chiu, Charlene, Weissman, Kevin, Barros, Andrew, Enfield, Kyle B., Kadl, Alexandra, Green, China J., Simon, Rachel M., Fox, Ashley, Thornton, Kara, Parrino, Patrick E., Spindel, Stephen, Bansal, Aditya, Baumgarten, Katherine, Hand, Jonathan, Vonderhaar, Derek, Nossaman, Bobby, Laudun, Sylvia, Ames, DeAnna, Broussard, Shane, Hernandez, Nilmo, Isaac, Geralyn, Dinh, Huan, Zheng, Yiling, Tran, Sonny, McDaniel, Hunter, Crovetto, Nicolle, Miller, Leslie, Schelle, Beth, McLean, Sherry, Rothbaum, Howard R., Alvarez, Michael S., Kalan, Shivam P., Germann, Heather H., Hendershot, Jennifer, Maroney, Karen, Herring, Karen, Cook, Sharri, Paul, Pam, Madathil, Ronson J., Rabin, Joseph, Levine, Andrea, Saharia, Kapil, Tabatabai, Ali, Lau, Christine, Gammie, James S., Peguero, Maya-Loren, McKernan, Kimberley, Audette, Matthew, Fleischmann, Emily, Akbari, Freshta, Lee, Maia, Lee, Myounghee, Chi, Andrew, Salehi, Hanna, Pariser, Alan, Nguyen, Phuong Tran, Moore, Jessica, Gee, Adrienne, Vincent, Shelika, Zuckerman, Richard A., Iribarne, Alexander, Metzler, Sara, Shipman, Samantha, Caccia, Taylor, Johnson, Haley, Newton, Crystallee, Parr, Doug, Rodriguez, Vicente, Bokhart, Gordon, Eichman, Sharon M., North, Crystal, Oldmixon, Cathryn, Ringwood, Nancy, Fitzgerald, Laura, Morin, Haley D., Muzikansky, Ariela, Morse, Richard, Brower, Roy G., Reineck, Lora A., Aggarwal, Neil R., Bienstock, Karen, Hou, Peter, Steingrub, Jay, Tidswell, Mark A., Kozikowski, Lori-Ann, Kardos, Cynthia, DeSouza, Leslie, Thornton-Thompson, Sherell, Talmor, Daniel, Shapiro, Nathan, Banner-Goodspeed, Valerie, Boyle, Katherine L., Hayes, Sharon, Jones, Alan E., Galbraith, James, Nandi, Utsav, Peacock, Rebekah K., Parry, Blair Alden, Margolin, Justin D., Brait, Kelsey, Beakes, Caroline, Kangelaris, Kirsten N., Yee, Kimberly J., Ashktorab, Kimia, Jauregui, Alejandra E., Zhuo, Hanjing, Hendey, Gregory, Hubel, Kinsley A., Hughes, Alyssa R., Garcia, Rebekah L., Wilson, Jennifer G., Vojnik, Rosemary, Roque, Jonasel, Perez, Cynthia, Lim, George W., Chang, Steven Y., Beutler, Rebecca, Agarwal, Trisha, Vargas, Julia, Moss, Marc, Baduashvili, Amiran, Chauhan, Lakshmi, Finck, Lani L., Howell, Michelle, Hyzy, Robert C., Park, Pauline K., Nelson, Kristine, McSparron, Jake I., Co, Ivan N., Wang, Bonnie R., Jia, Shijing, Sullins, Barbara, Hanna, Sinan, Olbrich, Norman, Richardson, Lynne D., Nair, Rahul, Offor, Obiageli, Lopez, Brenda, Amosu, Omowunmi, Tzehaie, Hiwet, Terndrup, Thomas E., Wiedemann, Herbert P., Duggal, Abhijit, Thiruchelvam, Nirosshan, Ashok, Kiran, King, Alexander H., Mehkri, Omar, Hudock, Kristin, Kiran, Simra, More, Harshada, Roads, Tammy, Martinkovic, Jamie, Kennedy, Sarah, Robinson, Bryce H., Hough, Catherine L., Krol, Olivia F., Kinjal, Mistry, Mills, Emmanuel, McDougal, Madeline, Deshmukh, Rupali, Chen, Peter, Torbati, Sam S., Matusov, Yuri, Choe, June, Hindoyan, Niree A., Jackman, Susan E., Bayoumi, Emad, Wynter, Timothy, Caudill, Antonina, Pascual, Ethan, Clapham, Gregg J., Herrera, Lisa, Ojukwu, Cristabelle, Mehdikhani, Shaunt, O'Mahony, D. Shane, Nyatsatsang, Sonam T., Wilson, David M., Wallick, Julie A., Miller, Chadwick, Gibbs, Keven W., Flores, Lori S., LaRose, Mary E., Landreth, Leigha D., Morris, Peter E., Sturgill, Jamie L., Cassity, Evan P., Dhar, Sanjay, Montgomery-Yates, Ashley A., Pasha, Sara N., Mayer, Kirby P., Bissel, Brittany, Bledsoe, Joseph, Brown, Samuel, Lanspa, Michael, Leither, Lindsey, Armbruster, Brent P., Montgomery, Quinn, Applegate, Darrin, Kumar, Naresh, Fergus, Melissa, Serezlic, Erna, Imel, Karah, Palmer, Ghazal, Webb, Brandon, Aston, Valerie T., Johnson, Jakea, Gray, Christopher, Hays, Margaret, Roth, Megan, Sánchez, Adriana, Popielski, Laura, Rivasplata, Heather, Turner, Melissa, Vjecha, Michael, Petersen, Tianna, Kamel, Dena, Hansen, Laura, Lucas, Claudia Sanchez, DellaValle, Natalie, Gonzales, Sonia, Scott, James, Wyles, David, Douglas, Ivor, Haukoos, Jason, Kamis, Kevin, Robinson, Caitlin, Baker, Jason V., Frosch, Anne, Goldsmith, Rachael, Jibrell, Hodan, Lo, Melanie, Klaphake, Jonathan, Mackedanz, Shari, Ngo, Linh, Garcia-Myers, Kelly, Markowitz, Norman, Pastor, Erika, Ramesh, Mayur, Brar, Indira, Rivers, Emanuel, Kumar, Princy, Menna, Maximiliano, Biswas, Kousick, Harrington, Cristin, Delp, Alex, Pandit, Lavannya, Hines-Munson, Casey, Van, John, Dillon, Laura, Want, Yiqun, Lichtenberger, Paola, Baracco, Gio, Ramos, Carol, Bjork, Lauren, Sueiro, Melyssa, Tien, Phyllis, Freasier, Heather, Buck, Theresa, Nekach, Hafida, Nagy-Agren, Stephanie, Vasudeva, Shikha, Ochalek, Tracy, Roller, Brentin, Nguyen, Chinh, Mikail, Amani, Raben, Dorthe, Jensen, Tomas O., Aagaard, Bitten, Nielsen, Charlotte B., Krapp, Katharina, Nykjær, Bente Rosdahl, Kanne, Katja Lisa, Grevsen, Anne Louise, Joensen, Zillah Maria, Bruun, Tina, Bojesen, Ane, Woldbye, Frederik, Normand, Nick E., Esmann, Frederik V.L., Clausen, Clara Lundetoft, Hovmand, Nichlas, Pedersen, Karen Brorup, Thorlacius-Ussing, Louise, Tinggaard, Michaela, Høgsberg, Dorthe S., Rastoder, Ema, Kamstrup, Thobias, Bergsøe, Christina Marisa, Østergaard, Lars, Stærke, Nina Breinholt, Johansen, Isik S., Knudtzen, Fredrikke C., Larsen, Lykke, Hertz, Mathias A., Fabricius, Thilde, Helleberg, Marie, Gerstoft, Jan, Jensen, Tomas Østergaard, Lindegaard, Birgitte, Pedersen, Thomas Ingemann, Røge, Birgit Thorup, Løfberg, Sandra Valborg, Hansen, Thomas Michael, Nielsen, Ariella Denize, von Huth, Sebastian Leicht, Nielsen, Henrik, Thisted, Rikke Krog, Podlekareva, Daria, Johnsen, Stine, Andreassen, Helle Frost, Pedersen, Lars, Lindnér, Cecilia Ebba Clara Ellinor, Wiese, Lothar, Knudsen, Lene Surland, Nytofte, Nikolaj Julian Skrøder, Havmøller, Signe Ravn, Paredes, Roger, Exposito, Maria, Fernández-Cruz, Eduardo, Muñoz, José, Arribas, Jose R., Estrada, Vicente, Horcajada, Juan P., Burgos, Joaquin, Morales-Rull, Jose Luis, Braun, Dominique L., West, Emily, M'Rabeth-Bensalah, Khadija, Eichinger, Mareile L., Grüttner-Durmaz, Manuela, Grube, Christina, Zink, Veronika, Horban, Andrzej, Bednarska, Agnieszka, Jurek, Natalia, Fätkenheuer, Gerd, Malinm, Jakob J., Matthews, Gail, Kelleher, Anthony, Cabrera, Gesalit, Carey, Catherine, Hough, Sally, Virachit, Sophie, Zhong, Amy, Young, Barnaby E., Chia, Po Ying, Lee, Tau Hong, Lin, Ray J., Lye, David, Ong, Sean, Puah, Ser Hon, Yeo, Tsin Wen, Diong, Shiau Hui, Ongko, Juwinda, Hudson, Fleur, Parmar, Mahesh KB, Goodman, Anna, Badrock, Jonathan, Gregory, Adam, Harris, Nicola, Touloumi, Giota, Pantaz, Nikos, Gioukari, Vicky, Lutaakome, Joseph, Kityo, Cissy M., Mugerwa, Henry, Kiweewa, Francis, Osinusi, Anu, Tipple, Craig, Willis, Angela, Peppercorn, Amanda, Watson, Helen, Alexander, Elizabeth, Mogalian, Erik, Lin, Leo, Ding, Xiao, Yan, Li, Girardet, Jean-Luc, Ma, Ji, Hong, Zhi, Adams, Amy, Albert, Sara, Balde, Abby, Baracz, Michelle, Baseler, Beth, Becker, Nancy, Bielica, Mona, Billouin-Frazier, Shere, Cash, Jennifer, Choudhary, Jay, Dolney, Suzanne, Dixon, Mary, Eyler, Carolyn, Frye, Leanna, Galcik, Michael, Gertz, Jensen, Giebeig, Lisa, Gulati, Neelam, Hankinson, Liz, Hissey, Debbie, Hogarty, Debi, Hohn, Matt, Holley, H Preston, Hoopengardner, Lisa, Huber, Lynda, Jankelevich, Shirley, Krauss, Gary, Lake, Eileen, Linton, Jessica, MacDonald, Leah, Manandhar, Meryan, Spinelli-Nadzam, Mary, Oluremi, Charles, Proffitt, Calvin, Rudzinski, Erin, Sandrus, Jen, Schaffhauser, Marylu, Schechner, Adam, Suders, Connie, Gerry, Norman P., Smith, Kenneth, Solomon, Courtney, Kubernac, Amanda, Rashid, Marium, Patel, Bhakti, Kubernac, Robert, Murphy, Joseph, Hoover, Marie L., Brown, Craig, DuChateau, Nadine, Flosi, Adam, Johnson, Les, Treagus, Amy, and Wenner, Christine
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- 2022
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9. Preliminary trajectory design for NASA’s Solar Cruiser: A technology demonstration mission
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Pezent, James B., Sood, Rohan, Heaton, Andrew, Miller, Kyle, and Johnson, Les
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- 2021
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10. Solar sailing technology challenges
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Spencer, David A., Johnson, Les, and Long, Alexandra C.
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- 2019
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11. Solar electric propulsion for human mars missions
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Chang Díaz, Franklin, Carr, John, Johnson, Les, Johnson, William, Genta, Giancarlo, and Maffione, P. Federica
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- 2019
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12. AXTAR: Mission Design Concept
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Ray, Paul S., Chakrabarty, Deepto, Wilson-Hodge, Colleen A., Phlips, Bernard F., Remillard, Ronald A., Levine, Alan M., Wood, Kent S., Wolff, Michael T., Gwon, Chul S., Strohmayer, Tod E., Baysinger, Michael, Briggs, Michael S., Capizzo, Peter, Fabisinski, Leo, Hopkins, Randall C., Hornsby, Linda S., Johnson, Les, Maples, C. Dauphne, Miernik, Janie H., Thomas, Dan, and De Geronimo, Gianluigi
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
The Advanced X-ray Timing Array (AXTAR) is a mission concept for X-ray timing of compact objects that combines very large collecting area, broadband spectral coverage, high time resolution, highly flexible scheduling, and an ability to respond promptly to time-critical targets of opportunity. It is optimized for submillisecond timing of bright Galactic X-ray sources in order to study phenomena at the natural time scales of neutron star surfaces and black hole event horizons, thus probing the physics of ultradense matter, strongly curved spacetimes, and intense magnetic fields. AXTAR's main instrument, the Large Area Timing Array (LATA) is a collimated instrument with 2-50 keV coverage and over 3 square meters effective area. The LATA is made up of an array of supermodules that house 2-mm thick silicon pixel detectors. AXTAR will provide a significant improvement in effective area (a factor of 7 at 4 keV and a factor of 36 at 30 keV) over the RXTE PCA. AXTAR will also carry a sensitive Sky Monitor (SM) that acts as a trigger for pointed observations of X-ray transients in addition to providing high duty cycle monitoring of the X-ray sky. We review the science goals and technical concept for AXTAR and present results from a preliminary mission design study., Comment: 19 pages, 10 figures, to be published in Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, Proceedings of SPIE Volume 7732
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- 2010
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13. Optical performance of reflectivity control devices for solar sail applications
- Author
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Smith, David D., primary, Heaton, Andrew F., additional, Ramazani, Saba, additional, Tyler, Daniel A., additional, Johnson, Les, additional, Bachmann, Charles, additional, Shiltz, Dylan J., additional, Lapszynski, Chris S., additional, Nur, Nayma B., additional, Lee, Chris H., additional, Akozbek, Neset, additional, Dement, Dana, additional, Dummer, Samuel, additional, and Farmer, Brandon, additional
- Published
- 2023
- Full Text
- View/download PDF
14. The beryllium hollow-body solar sail: exploration of the Sun's gravitational focus and the inner Oort Cloud
- Author
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Matloff, Gregory L., Kezerashvili, Roman Ya., Maccone, Claudio, and Johnson, Les
- Subjects
Physics - Space Physics ,Physics - General Physics - Abstract
Spacecraft kinematics, peak perihelion temperature and space environment effects during solar-radiation-pressure acceleration for a beryllium hollow-body interstellar solar sail inflated with hydrogen fill gas are investigated. We demonstrate that diffusion is alleviated by an on-board fill gas reserve and electrostatic pressure can be alleviated by increasing perihelion distance. For a 0.1 AU perihelion, a 937 m radius sail with a sail mass of 150 kg and a payload mass of 150 kg, perihelion sail temperature is about 1000 K, peak acceleration is about 0.6 g, and solar-system exit velocity is about 400 km/s. After sail deployments, the craft reaches the 200 AU heliopause in 2.5 years, the Sun's inner gravitational focus at 550 AU in about 6.5 years and 2,550 AU in 30 years. The Be hollow-body sail could be applied in the post 2040 time frame to verify general relativity predictions regarding the Sun's inner gravitational focus and to explore particles and fields in the Sun's inner Oort Comet Cloud.
- Published
- 2008
15. Mass-Producing Graphene
- Author
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Johnson, Les and Meany, Joseph E.
- Published
- 2018
16. Design of Solar Sailing Trajectories Resilient to Safe Mode Events
- Author
-
Johnson, Les, Heaton, Andrew, Laipert, Frank, Sood, Rohan, Pezent, James B, Sandel, Carrie Grace, and Rubinsztejn, Ari
- Abstract
Solar sails are an enabling technology for stand-alone small-satellite deep-space exploration. However, their always-on nature, combined with the time of flight required for deep-space missions, makes them particularly susceptible to safe mode events. Unlike missions using electric propulsion, exclusively solar sail- ing missions cannot carry extra propellant to make up for a safe mode event, and more powerful methods like expected availability cannot be directly applied. This work extends the expected availability and duty cycle approaches to solar sailing. Through an application to NASA’s Solar Cruiser mission, a 46 % increase in tra- jectory resilience is obtained at negligible change in the mission’s time of flight. Additionally, it is shown that when a safe mode event stops the spacecraft from reaching its target orbit, the developed methods reduce the expected final error by approximately an order of magnitude.
- Published
- 2021
17. Design of Solar Sailing Trajectories Resilient to Safe Mode Events
- Author
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Rubinsztejn, Ari, Sandel, Carrie Grace, Pezent, James B, Sood, Rohan, Laipert, Frank, Heaton, Andrew, and Johnson, Les
- Published
- 2021
18. In-Space Chemical Propulsion System Roadmap
- Author
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Palaszewski, Bryan A., Meyer, Michael L., Johnson, Les, Goebel, Dan M., White, Harold, Coote, David J., De Luca, Luigi T., editor, Shimada, Toru, editor, Sinditskii, Valery P., editor, and Calabro, Max, editor
- Published
- 2017
- Full Text
- View/download PDF
19. Spreading the Seed
- Author
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Johnson, Les, Alpert, Mark, Series editor, Ball, Philip, Series editor, Benford, Gregory, Series editor, Brotherton, Michael, Series editor, Callaghan, Victor, Series editor, Eden, Amnon H, Series editor, Kanas, Nick, Series editor, Landis, Geoffrey, Series editor, Rucker, Rudi, Series editor, Schulze-Makuch, Dirk, Series editor, Vaas, Rüdiger, Series editor, Walter, Ulrich, Series editor, and Webb, Stephen, Series editor
- Published
- 2017
- Full Text
- View/download PDF
20. Sails in the Space Environment
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
21. Sailcraft Trajectories
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
22. Modeling Thrust from Electromagnetic Radiation Pressure
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
23. Space Sources of Light
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
24. The NanoSAIL-D2 NASA Mission
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
25. The JAXA IKAROS Mission as a Technological Breakthrough
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
26. New Projects in Progress
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
27. The Rocket: How It Works in Space
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
28. Future Plans
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
29. Designing a Solar Sail
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
30. Building a Sailcraft
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
31. Progress to Date
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
32. Exploring and Developing Space by Sailcraft
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
33. Sails Versus Rockets
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
34. Principles of Space Sailing
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
35. The Solar Sail Option: From the Oceans to Space
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
36. Riding a Beam of Light
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
37. What Is a Space Sailcraft?
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
38. Non-Rocket In-Space Propulsion
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
39. Rocket Problems and Limitations
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
40. An Historical Introduction to Space Propulsion
- Author
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Vulpetti, Giovanni, Johnson, Les, Matloff, Gregory L., Vulpetti, Giovanni, Johnson, Les, and Matloff, Gregory L.
- Published
- 2015
- Full Text
- View/download PDF
41. Solar Sail Missions for Sub-L1 Sampling of the Interplanetary Magnetic Field and Plasma on the Sun-Earth Line
- Author
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Loto’aniu, Paul, primary, Mulligan, Patricia, additional, Johnson, Les, additional, Biesecker, Doug, additional, Steenburgh, Robert, additional, Pizzo, Vic, additional, Inceoglu, Fadil, additional, and Rodriguez, Juan, additional
- Published
- 2023
- Full Text
- View/download PDF
42. An Optimistic Future
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
43. Mitigating Global Warming Using Space-Based Approaches
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
44. Settling the Solar System
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
45. Mitigating Global Warming Using Planetary Engineering
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
46. Power from the Sun
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
47. Protecting Earth
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
48. Environmental Monitoring from Space
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
49. Raw Materials from Space
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
50. Diminishing Energy
- Author
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Matloff, Greg, Bangs, C, Johnson, Les, Matloff, Greg, Bangs, C, and Johnson, Les
- Published
- 2014
- Full Text
- View/download PDF
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