Zobrazeno 21 - 30
of 129
pro vyhledávání: '"Hayes, Christian R."'
Autor:
Beaton, Rachael L., Oelkers, Ryan J., Hayes, Christian R., Covey, Kevin R., Chojnowski, S. D., De Lee, Nathan, Sobeck, Jennifer S., Majewski, Steven R., Cohen, Roger, Fernandez-Trincado, Jose, Longa-Pena, Penelope, O'Connell, Julia E., Santana, Felipe A., Stringfellow, Guy S., Zasowski, Gail, Aerts, Conny, Anguiano, Borja, Bender, Chad, Canas, Caleb I., Cunha, Katia, Fleming, John Donor Scott W., Frinchaboy, Peter M., Feuillet, Diane, Harding, Paul, Hasselquist, Sten, Holtzman, Jon, Johnson, Jennifer A., Kollmeier, Juna A., Kounkel, Marina, Mahadevan, Suvrath, Price-Whelan, Adrian. M., Rojas-Arriagada, Alvaro, Roman-Zuniga, Carlos, Schlafly, Edward F., Schultheis, Mathias, Shetrone, Matthew, Simon, Joshua D., Stassun, Keivan G., Stutz, Amelia M., Tayar, Jamie, Teske, Johanna, Tkachenko, Andrew, Troup, Nick, Albareti, Franco D., Bizyaev, Dmitry, Bovy, Jo, Burgasser, Adam J., Comparat, Johan, Downes, Juan Jose, Geisler, Doug, Inno, Laura, Manchado, Arturo, Ness, Melissa K., Pinsonneault, Marc H., Prada, Francisco, Roman-Lopes, Alexandre, Simonian, Gregory V. A., Smith, Verne V., Yan, Renbin, Zamora, Olga
APOGEE-2 is a dual-hemisphere, near-infrared (NIR), spectroscopic survey with the goal of producing a chemo-dynamical mapping of the Milky Way Galaxy. The targeting for APOGEE-2 is complex and has evolved with time. In this paper, we present the upda
Externí odkaz:
http://arxiv.org/abs/2108.11907
Autor:
Santana, Felipe A., Beaton, Rachael L., Covey, Kevin R., O'Connell, Julia E., Longa-Peña, Penélope, Cohen, Roger, Fernández-Trincado, José G., Hayes, Christian R., Zasowski, Gail, Sobeck, Jennifer S., Majewski, Steven R., Chojnowski, S. D., De Lee, Nathan, Oelkers, Ryan J., Stringfellow, Guy S., Almeida, Andrés, Anguiano, Borja, Donor, John, Frinchaboy, Peter M., Hasselquist, Sten, Johnson, Jennifer A., Kollmeier, Juna A., Nidever, David L., Price-Whelan, Adrian. M., Rojas-Arriagada, Alvaro, Schultheis, Mathias, Shetrone, Matthew, Simon, Joshua D., Aerts, Conny, Borissova, Jura, Drout, Maria R., Geisler, Doug, Law, C. Y., Medina, Nicolás, Minniti, Dante, Monachesi, Antonela, Muñoz, Ricardo R., Poleski, Radosław, Roman-Lopes, Alexandre, Schlaufman, Kevin C., Stutz, Amelia M., Teske, Johanna, Tkachenko, Andrew, Van Saders, Jennifer L., Weinberger, Alycia, Zoccali, Manuela
APOGEE is a high-resolution (R sim 22,000), near-infrared, multi-epoch, spectroscopic survey of the Milky Way. The second generation of the APOGEE project, APOGEE-2, includes an expansion of the survey to the Southern Hemisphere called APOGEE-2S. Thi
Externí odkaz:
http://arxiv.org/abs/2108.11908
Autor:
Mészáros, Szabolcs, Masseron, Thomas, Fernández-Trincado, José G., García-Hernández, D. A., Szigeti, László, Cunha, Katia, Shetrone, Matthew, Smith, Verne V., Beaton, Rachael L., Beers, Timothy C., Brownstein, Joel R., Geisler, Doug, Hayes, Christian R., Jönsson, Henrik, Lane, Richard R., Majewski, Steven R., Minniti, Dante, Munoz, Ricardo R., Nitschelm, Christian, Roman-Lopes, Alexandre, Zamora, Olga
We study the multiple populations of $\omega$ Cen by using the abundances of Fe, C, N, O, Mg, Al, Si, K, Ca, and Ce from the high-resolution, high signal-to-noise (S/N$>$70) spectra of 982 red giant stars observed by the SDSS-IV/APOGEE-2 survey. We f
Externí odkaz:
http://arxiv.org/abs/2104.12075
Autor:
Sheffield, Allyson A., Subrahimovic, Aidan Z., Refat, Mohammad, Beaton, Rachael L., Hasselquist, Sten, Hayes, Christian R., Price-Whelan, Adrian. M., Horta, Danny, Majewski, Steven R., Cunha, Katia, Smith, Verne V., Fernandez-Trincado, Jose G., Sobeck, Jennifer S., Munoz, Ricardo R., Garcia-Hernandez, D. A., Lane, Richard R., Nitschelm, Christian, Roman-Lopes, Alexandre
We present the kinematic and chemical profiles of red giant stars observed by the APOGEE-2 survey in the direction of the Jhelum stellar stream, a Milky Way substructure located in the inner halo of the Milky Way at a distance from the Sun of $\appro
Externí odkaz:
http://arxiv.org/abs/2103.07488
Autor:
Price-Whelan, Adrian M., Hogg, David W., Johnston, Kathryn V., Ness, Melissa K., Rix, Hans-Walter, Beaton, Rachael L., Brownstein, Joel R., García-Hernández, Domingo Aníbal, Hasselquist, Sten, Hayes, Christian R., Lane, Richard R., Zasowski, Gail
Publikováno v:
The Astrophysical Journal, Volume 910, Issue 1, id.17, 16 pp., 2021
Many approaches to galaxy dynamics assume that the gravitational potential is simple and the distribution function is time-invariant. Under these assumptions there are traditional tools for inferring potential parameters given observations of stellar
Externí odkaz:
http://arxiv.org/abs/2012.00015
Autor:
Hayes, Christian R., Majewski, Steven R., Hasselquist, Sten, Anguiano, Borja, Shetrone, Matthew, Law, David R., Schiavon, Ricardo P., Cunha, Katia, Smith, Verne V., Beaton, Rachael L., Price-Whelan, Adrian M., Prieto, Carlos Allende, Battaglia, Giuseppina, Bizyaev, Dmitry, Brownstein, Joel R., Cohen, Roger E., Frinchaboy, Peter M., Garcia-Hernandez, D. A., Lacerna, Ivan, Lane, Richard R., Meszaros, Szabolcs, Bidin, Christian Moni, Munoz, Ricardo R., Nidever, David L., Oravetz, Audrey, Oravetz, Daniel, Pan, Kaike, Roman-Lopes, Alexandre, Sobeck, Jennifer, Stringfellow, Guy
Using 3D positions and kinematics of stars relative to the Sagittarius (Sgr) orbital plane and angular momentum, we identify 166 Sgr stream members observed by the Apache Point Observatory Galactic Evolution Experiment (APOGEE) that also have Gaia DR
Externí odkaz:
http://arxiv.org/abs/1912.06707
Autor:
Ahumada, Romina, Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Arcodia, Riccardo, Armengaud, Eric, Aubert, Marie, Avila, Santiago, Avila-Reese, Vladimir, Badenes, Carles, Balland, Christophe, Barger, Kat, Barrera-Ballesteros, Jorge K., Basu, Sarbani, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Benavides, B. Izamar T., Bender, Chad F., Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian, Bidin, Christian Moni, Bird, Jonathan, Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Boquien, Mederic, Borissova, Jura, Bovy, Jo, Brandt, W. N., Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Bureau, Martin, Burgasser, Adam, Burtin, Etienne, Cano-Diaz, Mariana, Capasso, Raffaella, Cappellari, Michele, Carrera, Ricardo, Chabanier, Solene, Chaplin, William, Chapman, Michael, Cherinka, Brian, Chiappini, Cristina, Choi, Peter Doohyun, Chojnowski, S. Drew, Chung, Haeun, Clerc, Nicolas, Coffey, Damien, Comerford, Julia M., Comparat, Johan, da Costa, Luiz, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Cunha, Katia, Ilha, Gabriele da Silva, Dai, Yu Sophia, Damsted, Sanna B., Darling, Jeremy, Davidson Jr., James W., Davies, Roger, Dawson, Kyle, De, Nikhil, de la Macorra, Axel, De Lee, Nathan, Queiroz, Anna Barbara de Andrade, Machado, Alice Deconto, de la Torre, Sylvain, Dell'Agli, Flavia, Bourboux, Helion du Mas des, Diamond-Stanic, Aleksandar M., Dillon, Sean, Donor, John, Drory, Niv, Duckworth, Chris, Dwelly, Tom, Ebelke, Garrett, Eftekharzadeh, Sarah, Eigenbrot, Arthur Davis, Elsworth, Yvonne P., Eracleous, Mike, Erfanianfar, Ghazaleh, Escoffier, Stephanie, Fan, Xiaohui, Farr, Emily, Fernandez-Trincado, Jose G., Feuillet, Diane, Finoguenov, Alexis, Fofie, Patricia, Fraser-McKelvie, Amelia, Frinchaboy, Peter M., Fromenteau, Sebastien, Fu, Hai, Galbany, Lluis, Garcia, Rafael A., Garcia-Hernandez, D. A., Oehmichen, Luis Alberto Garma, Ge, Junqiang, Maia, Marcio Antonio Geimba, Geisler, Doug, Gelfand, Joseph, Goddy, Julian, Goff, Jean-Marc Le, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Guo, Hong, Guy, Julien, Harding, Paul, Hasselquist, Sten, Hawken, Adam James, Hayes, Christian R., Hearty, Fred, Hekker, S., Hogg, David W., Holtzman, Jon, Horta, Danny, Hou, Jiamin, Hsieh, Bau-Ching, Huber, Daniel, Hunt, Jason A. S., Chitham, J. Ider, Imig, Julie, Jaber, Mariana, Angel, Camilo Eduardo Jimenez, Johnson, Jennifer A., Jones, Amy M., Jonsson, Henrik, Jullo, Eric, Kim, Yerim, Kinemuchi, Karen, Kirkpatrick IV, Charles C., Kite, George W., Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Kong, Hui, Kounkel, Marina, Krishnarao, Dhanesh, Lacerna, Ivan, Lan, Ting-Wen, Lane, Richard R., Law, David R., Leung, Henry W., Lewis, Hannah, Li, Cheng, Lian, Jianhui, Lin, Lihwai, Long, Dan, Longa-Pena, Penelope, Lundgren, Britt, Lyke, Brad W., Mackereth, J. Ted, MacLeod, Chelsea L., Majewski, Steven R., Manchado, Arturo, Maraston, Claudia, Martini, Paul, Masseron, Thomas, Masters, Karen L., Mathur, Savita, McDermid, Richard M., Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Miglio, Andrea, Minniti, Dante, Minsley, Rebecca, Miyaji, Takamitsu, Mohammad, Faizan Gohar, Mosser, Benoit, Mueller, Eva-Maria, Muna, Demitri, Munoz-Gutierrez, Andrea, Myers, Adam D., Nadathur, Seshadri, Nair, Preethi, Nandra, Kirpal, Nascimento, Janaina Correa do, Nevin, Rebecca Jean, Newman, Jeffrey A., Nidever, David L., Nitschelm, Christian, Noterdaeme, Pasquier, O'Connell, Julia E., Olmstead, Matthew D, Oravetz, Daniel, Oravetz, Audrey, Osorio, Yeisson, Pace, Zachary J., Padilla, Nelson, Palanque-Delabrouille, Nathalie, Palicio, Pedro A., Pan, Hsi-An, Pan, Kaike, Parker, James, Paviot, Romain, Peirani, Sebastien, Ramrez, Karla Pena, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Perez-Rafols, Ignasi, Petitjean, Patrick, Pieri, Matthew M., Pinsonneault, Marc, Poovelil, Vijith Jacob, Povick, Joshua Tyler, Prakash, Abhishek, Price-Whelan, Adrian M., Raddick, M. Jordan, Raichoor, Anand, Ray, Amy, Rembold, Sandro Barboza, Rezaie, Mehdi, Riffel, Rogemar A., Riffel, Rogerio, Rix, Hans-Walter, Robin, Annie C., Roman-Lopes, A., Roman-Zuniga, Carlos, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rowlands, Kate, Rubin, Kate H. R., Salvato, Mara, Sanchez, Ariel G., Sanchez-Menguiano, Laura, Sanchez-Gallego, Jose R., Sayres, Conor, Schaefer, Adam, Schiavon, Ricardo P., Schimoia, Jaderson S., Schlafly, Edward, Schlegel, David, Schneider, Donald P., Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Shafieloo, Arman, Shamsi, Shoaib Jamal, Shao, Zhengyi, Shen, Shiyin, Shetrone, Matthew, Shirley, Raphael, Aguirre, Victor Silva, Simon, Joshua D., Skrutskie, M. F., Slosar, Anze, Smethurst, Rebecca, Sobeck, Jennifer, Sodi, Bernardo Cervantes, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Stermer, Julianna, Storchi-Bergmann, Thaisa, Streblyanska, Alina, Stringfellow, Guy S., Stutz, Amelia, Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Thakar, Aniruddha R., Theriault, Riley, Thomas, Daniel, Thomas, Zak C., Tinker, Jeremy, Tojeiro, Rita, Toledo, Hector Hernandez, Tremonti, Christy A., Troup, Nicholas W., Tuttle, Sarah, Unda-Sanzana, Eduardo, Valentini, Marica, Vargas-Gonzalez, Jaime, Vargas-Magana, Mariana, Vazquez-Mata, Jose Antonio, Vivek, M., Wake, David, Wang, Yuting, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Wild, Vivienne, Wilson, John C., Wilson, Robert F., Wolthuis, Nathan, Wood-Vasey, W. M., Yan, Renbin, Yang, Meng, Yeche, Christophe, Zamora, Olga, Zarrouk, Pauline, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gongbo, Zheng, Zheng, Zhu, Guangtun, Zou, Hu
This paper documents the sixteenth data release (DR16) from the Sloan Digital Sky Surveys; the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of data from the southern hemisphere survey of the Apache Point Observato
Externí odkaz:
http://arxiv.org/abs/1912.02905
Autor:
Guerço, Rafael, Cunha, Katia, Smith, Verne V., Hayes, Christian R., Abia, Carlos, Lambert, David L., Jönsson, Henrik, Ryde, Nils
The chemical evolution of fluorine is investigated in a sample of Milky Way red giantstars that span a significant range in metallicity from [Fe/H] $\sim$ -1.3 to 0.0 dex. Fluorine abundances are derived from vibration-rotation lines of HF in high-re
Externí odkaz:
http://arxiv.org/abs/1909.08655
Akademický článek
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Autor:
Hasselquist, Sten, Carlin, Jeffrey L., Holtzman, Jon A., Shetrone, Matthew, Hayes, Christian R., Cunha, Katia, Smith, Verne, Beaton, Rachael L., Sobeck, Jennifer, Prieto, Carlos Allende, Majewski, Steven R., Anguiano, Borja, Bizyaev, Dmitry, García-Hernández, D. A., Lane, Richard R., Pan, Kaike, Nidever, David L., Fernández-Trincado, José. G., Wilson, John C., Zamora, Olga
The SDSS-IV Apache Point Observatory Galactic Evolution Experiment (APOGEE) survey provides precise chemical abundances of 18 chemical elements for $\sim$ 176,000 red giant stars distributed over much of the Milky Way Galaxy (MW), and includes observ
Externí odkaz:
http://arxiv.org/abs/1901.04559