Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Chojnowski, S. Drew"'
Autor:
Da Rio, Nicola, Tan, Jonathan C., Covey, Kevin R., Cottaar, Michiel, Foster, Jonathan B., Cullen, Nicholas C., Tobin, John, Kim, Jinyoung S., Meyer, Michael R., Nidever, David L., Stassun, Keivan G., Chojnowski, S. Drew, Flaherty, Kevin M., Majewski, Steven R., Skrutskie, Michael F., Zasowski, Gail, Pan, Kaike
The kinematics and dynamics of young stellar populations enable us to test theories of star formation. With this aim, we continue our analysis of the SDSS-III/APOGEE IN-SYNC survey, a high-resolution near-infrared spectroscopic survey of young cluste
Externí odkaz:
http://hdl.handle.net/10150/625776
http://arizona.openrepository.com/arizona/handle/10150/625776
http://arizona.openrepository.com/arizona/handle/10150/625776
Autor:
Majewski, Steven R., Schiavon, Ricardo P., Frinchaboy, Peter M., Prieto, Carlos Allende, Barkhouser, Robert, Bizyaev, Dmitry, Blank, Basil, Brunner, Sophia, Burton, Adam, Carrera, Ricardo, Chojnowski, S. Drew, Cunha, Kátia, Epstein, Courtney, Fitzgerald, Greg, Pérez, Ana E. García, Hearty, Fred R., Henderson, Chuck, Holtzman, Jon A., Johnson, Jennifer A., Lam, Charles R., Lawler, James E., Maseman, Paul, Mészáros, Szabolcs, Nelson, Matthew, Nguyen, Duy Coung, Nidever, David L., Pinsonneault, Marc, Shetrone, Matthew, Smee, Stephen, Smith, Verne V., Stolberg, Todd, Skrutskie, Michael F., Walker, Eric, Wilson, John C., Zasowski, Gail, Anders, Friedrich, Basu, Sarbani, Beland, Stephane, Blanton, Michael R., Bovy, Jo, Brownstein, Joel R., Carlberg, Joleen, Chaplin, William, Chiappini, Cristina, Eisenstein, Daniel J., Elsworth, Yvonne, Feuillet, Diane, Fleming, Scott W., Galbraith-Frew, Jessica, García, Rafael A., García-Hernández, D. Aníbal, Gillespie, Bruce A., Girardi, Léo, Gunn, James E., Hasselquist, Sten, Hayden, Michael R., Hekker, Saskia, Ivans, Inese, Kinemuchi, Karen, Klaene, Mark, Mahadevan, Suvrath, Mathur, Savita, Mosser, Benoît, Muna, Demitri, Munn, Jeffrey A., Nichol, Robert C., O’Connell, Robert W., Parejko, John K., Robin, A. C., Rocha-Pinto, Helio, Schultheis, Matthias, Serenelli, Aldo M., Shane, Neville, Aguirre, Victor Silva, Sobeck, Jennifer S., Thompson, Benjamin, Troup, Nicholas W., Weinberg, David H., Zamora, Olga
The Apache Point Observatory Galactic Evolution Experiment (APOGEE), one of the programs in the Sloan Digital Sky Survey III (SDSS-III), has now completed its systematic, homogeneous spectroscopic survey sampling all major populations of the Milky Wa
Externí odkaz:
http://hdl.handle.net/10150/625493
http://arizona.openrepository.com/arizona/handle/10150/625493
http://arizona.openrepository.com/arizona/handle/10150/625493
Autor:
Chojnowski, S. Drew, Hubrig, Swetlana, Nidever, David L., Niemczura, Ewa, Labadie-Bartz, Jonathan, Mathys, Gautier, Hasselquist, Sten
Despite the universe containing primordial thorium (Th) of sufficient abundance to appear in stellar spectra, detection of Th has to date been tentative and based on just a few weak and blended lines. Here, we present convincing evidence not only for
Externí odkaz:
http://arxiv.org/abs/2304.12938
Autor:
Schiavon, Ricardo P., Zamora, Olga, Carrera, Ricardo, Lucatello, Sara, Robin, A. C., Ness, Melissa, Martell, Sarah L., Smith, Verne V., García-Hernández, D. A., Manchado, Arturo, Schönrich, Ralph, Bastian, Nate, Chiappini, Cristina, Shetrone, Matthew, Mackereth, J. Ted, Williams, Rob A., Mészáros, Szabolcs, Allende Prieto, Carlos, Anders, Friedrich, Bizyaev, Dmitry, Beers, Timothy C., Chojnowski, S. Drew, Cunha, Katia, Epstein, Courtney, Frinchaboy, Peter M., García Pérez, Ana E., Hearty, Fred R., Holtzman, Jon A., Johnson, Jennifer A., Kinemuchi, Karen, Majewski, Steven R., Muna, Demitri, Nidever, David L., Nguyen, Duy Cuong, O'Connell, Robert W., Oravetz, Daniel, Pan, Kaike, Pinsonneault, Marc, Schneider, Donald P., Schultheis, Matthias, Simmons, Audrey, Skrutskie, Michael F., Sobeck, Jennifer, Wilson, John C., Zasowski, Gail
Formation of globular clusters (GCs), the Galactic bulge, or galaxy bulges in general is an important unsolved problem in Galactic astronomy. Homogeneous infrared observations of large samples of stars belonging to GCs and the Galactic bulge field ar
Externí odkaz:
http://hdl.handle.net/10150/623045
http://arizona.openrepository.com/arizona/handle/10150/623045
http://arizona.openrepository.com/arizona/handle/10150/623045
Autor:
Campbell, Hunter, Khilfeh, Elliott, Covey, Kevin R., Kounkel, Marina, Ballantyne, Richard, Corey, Sabrina, Román-Zúñiga, Carlos G., Hernández, Jesús, Martínez, Ezequiel Manzo, Ramírez, Karla Peña, Roman-Lopes, Alexandre, Stassun, Keivan G., Stringfellow, Guy S., Borissova, Jura, Chojnowski, S. Drew, Ramírez-Preciado, Valeria, Kim, Jinyoung Serena, Serna, Javier, Stutz, Amelia M., López-Valdivia, Ricardo, Suárez, Genaro, Ybarra, Jason E., Longa-Peña, Penélope, Fernández-Trincado, José G.
Very young (t $\lesssim$ 10 Myrs) stars possess strong magnetic fields that channel ionized gas from the interiors of their circumstellar discs to the surface of the star. Upon impacting the stellar surface, the shocked gas recombines and emits hydro
Externí odkaz:
http://arxiv.org/abs/2211.06454
Autor:
Lester, Kathryn V., Schaefer, Gail H., Fekel, Francis C., Gies, Douglas R., Henry, Todd J., Jao, Wei-Chun, Paredes, Leonardo A., Hubbard-James, Hodari-Sadiki, Farrington, Christopher D., Gordon, Kathryn D., Chojnowski, S. Drew, Monnier, John D., Kraus, Stefan, Bouquin, Jean-Baptiste Le, Anugu, Narsireddy, Brummelaar, Theo ten, Davies, Claire L., Gardner, Tyler, Labdon, Aaron, Lanthermann, Cyprien, Setterholm, Benjamin R.
We present the visual orbits of four spectroscopic binary stars, HD 61859, HD 89822, HD 109510, and HD 191692, using long baseline interferometry with the CHARA Array. We also obtained new radial velocities from echelle spectra using the APO 3.5 m, C
Externí odkaz:
http://arxiv.org/abs/2209.09993
Autor:
Chojnowski, S. Drew, Hubrig, Swetlana, Labadie-Bartz, Jonathan, Rivinius, Thomas, Scholler, Markus, Niemczura, Ewa, Nidever, David L., Stutz, Amelia M., Hummel, C. A.
We report the discovery of a new example of the rare class of highly magnetized, rapidly rotating, helium enhanced, early B stars that produce anomalously wide hydrogen emission due to a centrifugal magnetosphere (CM). The star is Trumpler 16-26, a B
Externí odkaz:
http://arxiv.org/abs/2208.12722
Autor:
Abdurro'uf, Accetta, Katherine, Aerts, Conny, Aguirre, Victor Silva, Ahumada, Romina, Ajgaonkar, Nikhil, Ak, N. Filiz, Alam, Shadab, Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Aquino-Ortiz, Erik, Aragon-Salamanca, Alfonso, Argudo-Fernandez, Maria, Ata, Metin, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barba, Rodolfo H., Barger, Kat, Barrera-Ballesteros, Jorge K., Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bender, Chad F., Bernardi, Mariangela, Bershady, Matthew A., Beutler, Florian, Bidin, Christian Moni, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Boardman, Nicholas Fraser, Bolton, Adam S., Boquien, Mederic, Borissova, Jura, Bovy, Jo, Brandt, W. N., Brown, Jordan, Brownstein, Joel R., Brusa, Marcella, Buchner, Johannes, Bundy, Kevin, Burchett, Joseph N., Bureau, Martin, Burgasser, Adam, Cabang, Tuesday K., Campbell, Stephanie, Cappellari, Michele, Carlberg, Joleen K., Wanderley, Fabio Carneiro, Carrera, Ricardo, Cash, Jennifer, Chen, Yan-Ping, Chen, Wei-Huai, Cherinka, Brian, Chiappini, Cristina, Choi, Peter Doohyun, Chojnowski, S. Drew, Chung, Haeun, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, da Costa, Luiz, Covey, Kevin, Crane, Jeffrey D., Cruz-Gonzalez, Irene, Culhane, Connor, Cunha, Katia, Dai, Y. Sophia, Damke, Guillermo, Darling, Jeremy, Davidson Jr., James W., Davies, Roger, Dawson, Kyle, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Cano-Diaz, Mariana, Sanchez, Helena Dominguez, Donor, John, Duckworth, Chris, Dwelly, Tom, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Mike, Escoffier, Stephanie, Fan, Xiaohui, Farr, Emily, Feng, Shuai, Fernandez-Trincado, Jose G., Feuillet, Diane, Filipp, Andreas, Fillingham, Sean P, Frinchaboy, Peter M., Fromenteau, Sebastien, Galbany, Lluis, Garcia, Rafael A., Garcia-Hernandez, D. A., Ge, Junqiang, Geisler, Doug, Gelfand, Joseph, Geron, Tobias, Gibson, Benjamin J., Goddy, Julian, Godoy-Rivera, Diego, Grabowski, Kathleen, Green, Paul J., Greener, Michael, Grier, Catherine J., Griffith, Emily, Guo, Hong, Guy, Julien, Hadjara, Massinissa, Harding, Paul, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hernandez, Jesus, Hill, Lewis, Hogg, David W., Holtzman, Jon A., Horta, Danny, Hsieh, Bau-Ching, Hsu, Chin-Hao, Hsu, Yun-Hsin, Huber, Daniel, Huertas-Company, Marc, Hutchinson, Brian, Hwang, Ho Seong, Ibarra-Medel, Hector J., Chitham, Jacob Ider, Ilha, Gabriele S., Imig, Julie, Jaekle, Will, Jayasinghe, Tharindu, Ji, Xihan, Johnson, Jennifer A., Jones, Amy, Jonsson, Henrik, Katkov, Ivan, Khalatyan, Dr. Arman, Kinemuchi, Karen, Kisku, Shobhit, Knapen, Johan H., Kneib, Jean-Paul, Kollmeier, Juna A., Kong, Miranda, Kounkel, Marina, Kreckel, Kathryn, Krishnarao, Dhanesh, Lacerna, Ivan, Lane, Richard R., Langgin, Rachel, Lavender, Ramon, Law, David R., Lazarz, Daniel, Leung, Henry W., Leung, Ho-Hin, Lewis, Hannah M., Li, Cheng, Li, Ran, Lian, Jianhui, Liang, Fu-Heng, Lin, Lihwai, Lin, Yen-Ting, Lin, Sicheng, Lintott, Chris, Long, Dan, Longa-Pena, Penelope, Lopez-Coba, Carlos, Lu, Shengdong, Lundgren, Britt F., Luo, Yuanze, Mackereth, J. Ted, de la Macorra, Axel, Mahadevan, Suvrath, Majewski, Steven R., Manchado, Arturo, Mandeville, Travis, Maraston, Claudia, Margalef-Bentabol, Berta, Masseron, Thomas, Masters, Karen L., Mathur, Savita, McDermid, Richard M., Mckay, Myles, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Miglio, Andrea, Di Mille, Francesco, Minniti, Dante, Minsley, Rebecca, Monachesi, Antonela, Moon, Jeongin, Mosser, Benoit, Mulchaey, John, Muna, Demitri, Munoz, Ricardo R., Myers, Adam D., Myers, Natalie, Nadathur, Seshadri, Nair, Preethi, Nandra, Kirpal, Neumann, Justus, Newman, Jeffrey A., Nidever, David L., Nikakhtar, Farnik, Nitschelm, Christian, O'Connell, Julia E., Garma-Oehmichen, Luis, de Oliveira, Gabriel Luan Souza, Olney, Richard, Oravetz, Daniel, Ortigoza-Urdaneta, Mario, Osorio, Yeisson, Otter, Justin, Pace, Zachary J., Padilla, Nelson, Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Ramirez, Karla Pena, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Pinsonneault, Marc, Poidevin, Frederick, Poovelil, Vijith Jacob, Price-Whelan, Adrian M., Queiroz, Anna Barbara de Andrade, Raddick, M. Jordan, Ray, Amy, Rembold, Sandro Barboza, Riddle, Nicole, Riffel, Rogemar A., Riffel, Rogerio, Rix, Hans-Walter, Robin, Annie C., Rodriguez-Puebla, Aldo, Roman-Lopes, Alexandre, Roman-Zuniga, Carlos, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rubin, Kate H. R., Salvato, Mara, Sanchez, Sebastian F., Sanchez-Gallego, Jose R., Sanderson, Robyn, Rojas, Felipe Antonio Santana, Sarceno, Edgar, Sarmiento, Regina, Sayres, Conor, Sazonova, Elizaveta, Schaefer, Adam L., Schiavon, Ricardo, Schlegel, David J, Schneider, Donald P., Schultheis, Mathias, Schwope, Axel, Serenelli, Aldo, Serna, Javier, Shao, Zhengyi, Shapiro, Griffin, Sharma, Anubhav, Shen, Yue, Shetrone, Matthew, Shu, Yiping, Simon, Joshua D., Skrutskie, M. F., Smethurst, Rebecca, Smith, Verne, Sobeck, Jennifer, Spoo, Taylor, Sprague, Dani, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Stone-Martinez, Alexander, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Stutz, Amelia, Su, Yung-Chau, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Telles, Eduardo, Teske, Johanna, Thakar, Ani, Theissen, Christopher, Thomas, Daniel, Tkachenko, Andrew, Tojeiro, Rita, Toledo, Hector Hernandez, Troup, Nicholas W., Trump, Jonathan R., Trussler, James, Turner, Jacqueline, Tuttle, Sarah, Unda-Sanzana, Eduardo, Vazquez-Mata, Jose Antonio, Valentini, Marica, Valenzuela, Octavio, Vargas-Gonzalez, Jaime, Vargas-Magana, Mariana, Alfaro, Pablo Vera, Villanova, Sandro, Vincenzo, Fiorenzo, Wake, David, Warfield, Jack T., Washington, Jessica Diane, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Weiss, Achim, Westfall, Kyle B., Wild, Vivienne, Wilde, Matthew C., Wilson, John C., Wilson, Robert F., Wilson, Mikayla, Wolf, Julien, Wood-Vasey, W. M., Yan, Renbin, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zheng, Zheng, Zhu, Kai
This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete release of the Mapping Nearby Galaxies at Apache Point Observatory (M
Externí odkaz:
http://arxiv.org/abs/2112.02026
Autor:
Richardson, Noel D., Thizy, Olivier, Bjorkman, Jon E., Carciofi, Alex, Rubio, Amanda C., Thomas, Joshua D., Bjorkman, Karen S., Labadie-Bartz, Jonathan, Genaro, Matheus, Wisniewski, John P., Wang, Luqian, Gies, Douglas R., Chojnowski, S. Drew, Daly, Andrea, Edwards, Thompson, Fowler, Carlie, Gullingsrud, Allison D., Habel, Nolan, James, David J., Kehoe, Emily, Kuchta, Heidi, Lane, Alexis, Miroshnichenko, Anatoly, Mishra, Ashish, Pablo, Herbert, Peploski, Maurice, Pepper, Joshua, Rodriguez, Joseph E., Siverd, Robert J., Stassun, Keivan G., Stevens, Daniel J., Trucks, Jesica L., Windsor, James, Wood, Mackenna, Bertrand, Étienne, Broussat, Jean-Jacques, Bryssinck, Erik, Buil, Christian, Charbonnel, Stéphane, de Bruin, Arnold, Daglen, Joe, Desnoux, Valerie, Dull, James, Garde, Olivier, Graham, Keith, Gurney, Kevin, Halsey, Alun, Fosanelli, Patrik, Fló, Joan Guarro, Houpert, Franck, James, Foster, Kreider, Christian, Leadbeater, Robin, Lester, Tim, Li, Dong, Maetz, Alain, Stiewing, Albert, Somogyi, Peter, Terry, Jean-Noël, Ubaud, Stéphane, Waldschlaeger, Ulrich
The bright and understudied classical Be star HD 6226 has exhibited multiple outbursts in the last several years during which the star grew a viscous decretion disk. We analyze 659 optical spectra of the system collected from 2017-2020, along with a
Externí odkaz:
http://arxiv.org/abs/2109.11026
Autor:
Washington, Jasmin E., Lewis, Hannah M., Anguiano, Borja, Majewski, Steven R., Chojnowski, S. Drew, Smith, Verne V., Stassun, Keivan G., Prieto, Carlos Allende, Cunha, Katia, Nidever, David L., Garcia-Hernandez, D. A., Pan, Kaike
LIN 358 and SMC N73 are two symbiotic binaries in the halo of the Small Magellanic Cloud, each composed of a hot white dwarf accreting from a cool giant companion. In this work, we characterize these systems using a combination of SED-fitting to the
Externí odkaz:
http://arxiv.org/abs/2107.08309