Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Majewski, Steve R."'
Autor:
Horta, Danny, Schiavon, Ricardo P., Mackereth, J. Ted, Weinberg, David H., Hasselquist, Sten, Feuillet, Diane, O'Connell, Robert W., Anguiano, Borja, Allende-Prieto, Carlos, Beaton, Rachael L., Bizyaev, Dmitry, Cunha, Katia, Geisler, Doug, García-Hernández, D. A., Holtzman, Jon, Jönsson, Henrik, Lane, Richard R., Majewski, Steve R., Mészáros, Szabolcs, Minniti, Dante, Nitschelm, Christian, Shetrone, Matthew, Smith, Verne V., Zasowski, Gail
Galactic haloes in a $\Lambda$-CDM universe are predicted to host today a swarm of debris resulting from cannibalised dwarf galaxies. The chemo-dynamical information recorded in their stellar populations helps elucidate their nature, constraining the
Externí odkaz:
http://arxiv.org/abs/2204.04233
Autor:
Souto, Diogo, Prieto, C. Allende, Cunha, Katia, Pinsonneault, Marc, Smith, Verne V., Garcia-Dias, R., Bovy, Jo, Garcia-Hernandez, D. A., Holtzman, Jon, Johnson, J. A., Jonsson, Henrik, Majewski, Steve R., Shetrone, Matthew, Sobeck, Jennifer, Zamora, Olga, Pan, Kaike, Nitschelm, Christian
Chemical abundances for 15 elements (C, N, O, Na, Mg, Al, Si, K, Ca, Ti, V, Cr, Mn, Fe, and Ni) are presented for 83 stellar members of the 4 Gyr old solar-metallicity open cluster M67. The sample contains stars spanning a wide range of evolutionary
Externí odkaz:
http://arxiv.org/abs/1902.10199
Autor:
Fernández-Alvar, Emma, Carigi, Leticia, Schuster, William J., Hayes, Christian R., Ávila-Vergara, Nancy, Majewski, Steve R., Prieto, Carlos Allende, Beers, Timothy C., Sánchez, Sebastián F., Zamora, Olga, García-Hernández, Domingo Aníbla, Tang, Baitian, Fernández-Trincado, José G., Tissera, Patricia, Geisler, Douglas, Villanova, Sandro
The formation processes that led to the current Galactic stellar halo are still under debate. Previous studies have provided evidence for different stellar populations in terms of elemental abundances and kinematics, pointing to different chemical an
Externí odkaz:
http://arxiv.org/abs/1711.06225
Autor:
Fritz, Tobias K., Linden, Sean T., Zivick, Paul, Kallivayalil, Nitya, Beaton, Rachael L., Bovy, Jo, Sales, Laura V., Sohn, Sangmo Tony, Angell, Dylan, Boylan-Kolchin, Michael, Carrasco, Eleazar R., Damke, Gulliermo J., Davies, Richard I., Majewski, Steve R., Neichel, Benoit, van der Marel, Roeland P.
We present a proper motion measurement for the halo globular cluster Pyxis, using HST/ACS data as the first epoch, and GeMS/GSAOI Adaptive Optics data as the second, separated by a baseline of about 5 years. This is both the first measurement of the
Externí odkaz:
http://arxiv.org/abs/1611.08598
Autor:
Fleming, Scott W., Mahadevan, Suvrath, Deshpande, Rohit, Bender, Chad F., Terrien, Ryan C., Marchwinski, Robert C., Wang, Ji, Roy, Arpita, Stassun, Keivan G., Prieto, Carlos Allende, Cunha, Katia, Smith, Verne V., Agol, Eric, Ak, Hasan, Bastien, Fabienne A., Bizyaev, Dmitry, Crepp, Justin R., Ford, Eric B., Frinchaboy, Peter M., García-Hernández, Domingo Aníbal, Pérez, Ana Elia García, Gaudi, B. Scott, Ge, Jian, Hearty, Fred, Ma, Bo, Majewski, Steve R., Mészáros, Szabolcs, Nidever, David L., Pan, Kaike, Pepper, Joshua, Pinsonneault, Marc H., Schiavon, Ricardo P., Schneider, Donald P., Wilson, John C., Zamora, Olga, Zasowski, Gail
The Kepler mission has yielded a large number of planet candidates from among the Kepler Objects of Interest (KOIs), but spectroscopic follow-up of these relatively faint stars is a serious bottleneck in confirming and characterizing these systems. W
Externí odkaz:
http://arxiv.org/abs/1502.05035
Autor:
Ho, Nhung, Geha, Marla C., Munoz, Ricardo R., Guhathakurta, Puragra, Kalirai, Jason S., Gilbert, Karoline M., Tollerud, Erik J., Bullock, James S., Beaton, Rachael L., Majewski, Steve R.
We present kinematical profiles and metallicity for the M31 dwarf spheroidal (dSph) satellite galaxy Andromeda II (And II) based on Keck DEIMOS spectroscopy of 531 red giant branch stars. Our kinematical sample is among the largest for any M31 satell
Externí odkaz:
http://arxiv.org/abs/1209.2116
Autor:
Tollerud, Erik J., Beaton, Rachael L., Geha, Marla C., Bullock, James S., Guhathakurta, Puragra, Kalirai, Jason S., Majewski, Steve R., Kirby, Evan N., Gilbert, Karoline M., Yniguez, Basilio, Patterson, Richard J., Ostheimer, James C., Cooke, Jeff, Dorman, Claire E., Choudhury, Abrar, Cooper, Michael C.
Publikováno v:
ApJ, 752, 45 2012
We present a resolved-star spectroscopic survey of 15 dwarf spheroidal (dSph) satellites of the Andromeda Galaxy (M31) as part of the Spectroscopic and Photometric Landscape of Andromeda's Stellar Halo (SPLASH) project. We filter foreground contamina
Externí odkaz:
http://arxiv.org/abs/1112.1067
We have measured the absolute proper motion of the Fornax dwarf spheroidal galaxy from a combination of photographic plate material and HST WFPC2 data that provide a time baseline of up to 50 years. The extragalactic reference frame consists of 8 QSO
Externí odkaz:
http://arxiv.org/abs/astro-ph/0405260
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Akademický článek
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