Browsing by Author "Gallart, Carme"

Now showing items 1-10 of 10

    • APOGEE chemical abundance patterns of the massive milky way satellites 
      Hasselquist, Sten; Hayes, Christian R.; Lian, Jianhui; Weinberg, David H.; Zasowski, Gail; Horta, Danny; Beaton, Rachael; Feuillet, Diane K.; Garro, Elisa R.; Gallart, Carme; Smith, Verne V.; Holtzman, Jon A.; Minniti, Dante; Lacerna, Iván; Shetrone, Matthew; Jonsson, Henrik; Cioni, María Rosa L.; Fillingham, Sean P.; Cunha, Katia; O'Connell, Robert; Fernández Trincado, José G.; Muñoz Vidal, Ricardo Rodrigo; Schiavon, Ricardo; Almeida, Andres; Anguiano, Borja; Beers, Timothy C.; Bizyaev, Dmitry; Brownstein, Joel R.; Cohen, Roger E.; Frinchaboy, Peter; García Hernández, D. A.; Geisler, Doug; Lane, Richard R.; Majewski, Steven R.; Nidever, David L.; Nitschelm, Christian; Povick, Joshua; Price Whelan, Adrián; Román Lopes, Alexandre; Rosado, Margarita; Sobeck, Jennifer; Stringfellow, Guy; Valenzuela, Octavio; Villanova, Sandro; Vincenzo, Fiorenzo (2021)
      The SDSS-IV Apache Point Observatory Galactic Evolution Experiment (APOGEE) survey has obtained high-resolution spectra for thousands of red giant stars distributed among the massive satellite galaxies of the Milky Way ...
    • The chemical enrichment history of the large magellanic cloud 
      Carrera, Ricardo; Gallart, Carme; Hardy, Eduardo; Aparicio, Antonio; Zinn, R. (IOP PUBLISHING LTD, 2008-03)
      Ca (II) triplet spectroscopy has been used to derive stellar metallicities for individual stars in four Large Magellanic Cloud fields situated at galactocentric distances of 3 degrees, 5 degrees, 6 degrees, and 8 degrees ...
    • The chemical enrichment history of the small magellanic cloud and its gradients 
      Carrera, Ricardo; Gallart, Carme; Aparicio, Antonio; Costa Hechenleitner, Edgardo; Méndez Bussard, René Alejandro; Noel, Noelia E. D. (IOP PUBLISHING, 2008-09)
      We present stellar metallicities derived from Ca II triplet spectroscopy in over 350 red giant branch stars in 13 fields distributed in different positions in the Small Magellanic Cloud, ranging from similar to 1 degrees ...
    • Exploring the Very Extended Low-surface-brightness Stellar Populations of the Large Magellanic Cloud with SMASH 
      Nidever, David L.; Olsen, Knut; Choi, Yumi; Boer, Thomas J. L. De; Blum, Robert D.; Bell, Eric F.; Zaritsky, Dennis; Martín, Nicolás F.; Saha, Abhijit; Conn, Blair C.; Besla, Gurtina; Marel, Roeland P. Van Der; Noël, Noelia E. D.; Monachesi, Antonela; Stringfellow, Guy S.; Massana, Pol; Cioni, María Rosa L.; Gallart, Carme; Monelli, Matteo; Martínez Delgado, David; Muñoz Vidal, Ricardo Rodrigo; Majewski, Steven R.; Vivas, A. Katherina; Walker, Alistair R.; Kaleida, Catherine; Chu, You-Hua (Institute of Physics Publishing, 2019)
      We present the detection of very extended stellar populations around the Large Magellanic Cloud (LMC) out to R ∼ 21°, or ∼18.5 kpc at the LMC distance of 50 kpc, as detected in the Survey of the Magellanic Stellar History ...
    • Hydra II: a faint and compact milky way dwarf galaxy found in the survey ofthe magellanic stellar history 
      Martín, Nicolás F.; Nidever, David L.; Besla, Gurtina; Olsen, Knut; Walker, Alistair R.; Vivas, A. Katherina; Gruendl, Robert A.; Kaleida, Catherine C.; Muñoz Vidal, Ricardo Rodrigo; Blum, Robert D.; Saha, Abhijit; Conn, Blair; Bell, Eric; Chu, You-Hua; Cioni, María-Rosa; Boer, Thomas de; Gallart, Carme; Jin, Shoko; Kunder, Andrea; Majewski, Steven; Martínez Delgado, David; Monachesi, Antonela; Monelli, Matteo; Monteagudo, Lara; Noël, Noelia; Olszewski, Edward; Stringfellow, Guy; Van der Marel, Roeland; Zaritsky, Dennis (The American Astronomical Society, 2015)
      We present the discovery of a new dwarf galaxy, Hydra II, found serendipitously within the data from the ongoing Survey of the Magellanic Stellar History conducted with the Dark Energy Camera on the Blanco 4 m Telescope. ...
    • Old main-sequence turnoff photometry in the small magellanic cloud. I. Constraints on the star formation ... 
      Noel, Noelia E. D.; Gallart, Carme; Costa Hechenleitner, Edgardo; Méndez Bussard, René Alejandro (2007)
      We present ground-based B-and R-band color-magnitude diagrams (CMDs) reaching the oldest main-sequence (MS) turnoffs with good photometric accuracy for 12 fields in the Small Magellanic Cloud (SMC). Our fields, located ...
    • Outside-in disk evolution in the large magellanic cloud 
      Gallart, Carme; Stetson, Peter B.; Meschin, Ingrid P.; Pont, Frederic; Hardy, Eduardo (UNIV CHICAGO PRESS, 2008-08-01)
      From the analysis of the color-magnitude diagrams and color functions of four wide LMC fields located from similar or equal to 2 to 6 kpc from the kinematic center of the LMC we present evidence that, while the oldest ...
    • Recovering star formation histories: Integrated-light analyses vs. stellar colour-magnitude diagrams 
      Ruiz Lara, T.; Pérez, I.; Gallart, Carme; Alloin, D.; Monelli, M.; Koleva, M.; Pompei, E.; Beasley, M.; Sánchez Blázquez, P.; Florido, E.; Aparicio, Antonio; Fleurence, E.; Hardy Raskovan, Eduardo; Hidalgo, S.; Raimann, D. (EDP Sciences, 2015)
      Context. Accurate star formation histories (SFHs) of galaxies are fundamental for understanding the build-up of their stellar content. However, the most accurate SFHs - those obtained from colour-magnitude diagrams (CMDs) ...
    • Spectroscopy of quest RR Lyrae variables: The new virgo stellar stream 
      Duffau, Sonia; Zinn, Robert; Vivas, A. Katherina; Carraro, Giovanni; Méndez Bussard, René Alejandro; Winnick, Rebeccah; Gallart, Carme (UNIV CHICAGO PRESS, 2006-06-10)
      Eighteen RR Lyrae variables (RRLs) that lie in the "12(h).4 clump" identified by the Quasar Equatorial Survey Team ( QUEST) have been observed spectroscopically to measure their radial velocities and metal abundances. Ten ...
    • THE PROPER MOTION OF THE MAGELLANIC CLOUDS. II. NEW RESULTS FOR FIVE SMALL MAGELLANIC CLOUD FIELDS 
      Costa Hechenleitner, Edgardo; Méndez Bussard, René Alejandro; Pedreros, Mario H.; Moyano, Maximiliano; Gallart, Carme; Noël, Noelia (IOP PUBLISHING, 2011-04)
      We present new results from a ground-based program to determine the proper motion of the Magellanic Clouds (MCs) relative to background quasars (QSOs), being carried out with the Irenee du Pont 2.5 m telescope at Las ...