Browsing by Author "ef3a91c7-db27-47b1-a708-7a78bcc0a527"

Now showing items 1-11 of 11

    • 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 ...
    • Metallicity and alpha-element abundance gradients along the Sagittarius Stream as seen by APOGEE 
      Hayes, Christian; Majewski, Steven; Hasselquist, Sten; Anguiano, Borja; Shetrone, Matthew; Law, David; Schiavon, Ricardo; Cunha, Katia; Smith, Verne; Beaton, Rachael; Price Whelan, Adrián; Allende Prieto, Carlos; Battaglia, Giuseppina; Bizyaev, Dimitry; Brownstein, Joel; Cohen, Roger; Frinchaboy, Peter; García Hernández, D. A.; Lacerna, Iván; Lane, Richard; Meszaros, Szabolcs; Moni Bidin, Christian; Muñoz Vidal, Ricardo; Nidever, David; Oravetz, Audrey; Oravetz, Daniel; Pan, Kaike; Román Lopes, Alexandre; Sobeck, Jennifer; Stringfellow, Guy (IOP, 2020)
      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 ...
    • SMASH 1: A very faint globular cluster disrupting in the outer reaches of the LMC? 
      Martín, Nicolás F.; Jungbluth, Valentín; Nidever, David L.; Bell, Eric F.; Besla, Gurtina; Blum, Robert D.; Cioni, María Rosa L.; Conn, Blair C.; Kaleida, Catherine C.; Gallart, Carme; Jin, Shoko; Majewski, Steven R.; Martínez Delgado, David; Monachesi, Antonela; Muñoz Vidal, Ricardo Rodrigo; Noel, Noelia E. D.; Olsen, Knut; Stringfellow, Guy S.; Van der Marel, Roeland P.; Vivas, A. Katherina; Walker, Alistair R.; Zaritsky, Dennis (IOP Publishing, 2016)
      We present the discovery of a very faint stellar system, SMASH 1, that is potentially a satellite of the Large Magellanic Cloud. Found within the Survey of the MAgellanic Stellar History (SMASH), SMASH 1 is a compact (r(h) ...
    • SMASHing the low surface brightness SMC 
      Massana, Pol; Noel, Noelia E. D.; Nidever, David L.; Erkal, Denis; De Boer, Thomas J.L.; Choi, Yumi; Majewski, Steven R.; Olsen, Knut; Monachesi, Antonela; Gallart, Carme; Van der Marel, Roeland P.; Ruiz Lara, Tomas; Zaritsky, Dennis; Martin, Nicolás F.; Muñoz, Ricardo R.; Cioni, María Rosa L.; Bell, Cameron P. M.; Bell, Eric F.; Stringfellow, Guy S.; Belokurov, Vasily; Monelli, Matteo; Walker, Alistair R.; Martínez Delgado, David; Vivas, A. Katherina.; Conn, Blair C. (Oxford University Press, 2020)
      The periphery of the Small Magellanic Cloud (SMC) can unlock important information regarding galaxy formation and evolution in interacting systems. Here, we present a detailed study of the extended stellar structure of the ...
    • Stellar and planetary characterization of the ross 128 exoplanetary system from APOGEE spectra 
      Souto, Diogo; Unterborn, Cayman T.; Smith, Verne V.; Cunha, Katia; Teske, Johanna; Covey, Kevin; Rojas Ayala, Barbara; García Hernández, D. A.; Stassun, Keivan; Zamora, Olga; Masseron, Thomas; Johnson, J. A.; Majewski, Steven R.; Jonsson, Henrik; Gilhool, Steven; Blake, Cullen; Santana, Felipe (IOP Publishing, 2018-06-10)
      The first detailed chemical abundance analysis of the M-dwarf (M4.0) exoplanet-hosting star Ross 128 is presented here, based upon near-infrared (1.5-1.7 mu m), high-resolution (R similar to 22,500) spectra from the SDSS ...
    • The Hercules stream as seen by APOGEE-2 South 
      Hunt, Jason A. S.; Bovy, Jo; Pérez Villegas, Angeles; Holtzman, Jon A.; Sobeck, Jennifer; Chojnowski, Drew; Santana, Felipe A.; Palicio, Pedro A.; Wegg, Christopher; Gerhard, Ortwin; Almeida, Andres; Bizyaev, Dmitry; Fernández Trincado, Jose G.; Lane, Richard R.; Longa Peña, Penélope; Majewski, Steven R.; Pan, Kaike; Roman Lópes, Alexandre (Oxford University Press, 2018)
      The Hercules stream is a group of comoving stars in the solar neighbourhood, which can potentially be explained as a signature of either the outer Lindblad resonance (OLR) of a fast Galactic bar or the corotation resonance ...
    • The intrinsic reddening of the Magellanic clouds as traced by background galaxies – II. The small Magellanic cloud 
      Bell, Cameron; Cioni, María Rosa; Wright, A. H.; Rubele, Stefano; Nidever, David L.; Tatton, Ben L.; Van Loon, Jacco Th.; Zaritsky, Dennis; Choi, Yumi; Choudhury, Samyaday; Clementini, Gisella; Grijs, Richard de; Vanov, Valentin D.; Majewski, Steven R.; Marconi, Marcella; Martínez Delgado, David; Massana, Pol; Muñoz, Ricardo R.; Niederhofer, Florian; Noel, Noelia E. D.; Oliveira, Joana M.; Olsen, Knut; Pennock, Clara M; Ripepi, V.; Subramanian, Smitha; Vivas, A. Katherina. (Oxford University Press, 2020)
      We present a map of the total intrinsic reddening across similar or equal to 34 deg(2) of the Small Magellanic Cloud (SMC) derived using optical (ugriz) and near-infrared (IR; YJK(s)) spectral energy distributions (SEDs) ...
    • The Lazy Giants: APOGEE Abundances Reveal Low Star Formation Efficiencies in the Magellanic Clouds 
      Nidever, David L.; Hasselquist, Sten; Hayes, Christian R.; Hawkins, Keith; Povick, Joshua; Majewski, Steven R.; Smith, Verne V.; Anguiano, Borja; Stringfellow, Guy S.; Sobeck, Jennifer S.; Cunha, Katia; Beers, Timothy C.; Bestenlehner, Joachim M.; Cohen, Roger; Garcia-Hernandez, D. A.; Jönsson, Henrik; Nitschelm, Christian; Shetrone, Matthew; Lacerna, Ivan; Allende Prieto, Carlos; Beaton, Rachael L.; Dell’Agli, Flavia; Fernández Trincado, José G.; Feuillet, Diane; Gallart, Carme; Hearty, Fred R.; Holtzman, Jon; Manchado, Arturo; Muñoz Vidal, Ricardo R.; O’Connell, Robert; Rosado, Margarita (IOP Publishing, 2020)
      We report the first APOGEE metallicities and alpha-element abundances measured for 3600 red giant stars spanning a large radial range of both the Large (LMC) and Small Magellanic Clouds, the largest Milky Way (MW) dwarf ...
    • TOI-150: A Transiting Hot Jupiter in the TESS Southern CVZ 
      Cañas, Caleb I.; Stefansson, Gudmundur; Monson, Andrew J.; Teske, Johanna K.; Bender, Chad F.; Mahadevan, Suvrath; Aerts, Conny; Beaton, Rachael L.; Butler, R. Paul; Covey, Kevin R.; Crane, Jeffrey D.; De Lee, Nathan; Díaz, Matías R.; Fleming, Scott W.; García Hernández, D. A.; Hearty, Fred R.; Kollmeier, Juna A.; Majewski, Steven R.; Nitschelm, Christian; Schneider, Donald P.; Shectman, Stephen A.; Stassun, Keivan G.; Tkachenko, Andrew; Wang, Sharon X.; Wang, Songhu; Wilson, John C.; Wilson, Robert F. (IOP Publishing, 2019)
      We report the detection of a hot Jupiter (M-p = 1.75(-0.17)(+0.14) M-J, R-p = 1.38 +/- 0.04R(J)) orbiting a middle-aged star (log g = 4.152(-0.043)(+0.030)) in the Transiting Exoplanet Survey Satellite (TESS) southern ...
    • Two groups of red giants with distinct chemical abundances in the bulge globular cluster NGC 6553 through ... 
      Tang, Baitian; Cohen, Roger E.; Geisler, Doug; Schiavon, Ricardo P.; Majewski, Steven R.; Villanova, Sandro; Carrera, Ricardo; Zamora, Olga; García Hernández, D. A.; Shetrone, Matthew; Frinchaboy, Peter; Meza, Andrés; Fernández Trincado, J. G.; Muñoz Vidal, Ricardo Rodrigo; Lin, Chien-Cheng; Lane, Richard R.; Nitschelm, Christian; Pan, Kaike; Bizyaev, Dmitry; Oravetz, Daniel; Simmons, Audrey (Oxford University, 2017)
      Multiple populations revealed in globular clusters (GCs) are important windows to the forma-tion and evolution of these stellar systems. The metal-rich GCs in the Galactic bulge are anindispensable part of this picture, ...
    • Variable Stars in the Field of the Hydra Ii Ultra-Faint Dwarfgalaxy 
      Vivas, A. Katherine; Olsen, Knut; Blum, Robert; Nidever, David L.; van der Marel, Roeland P.; Majewski, Steven R.; Kaleida, Catherine C.; Muñoz Vidal, Rodrigo; Saha, Abhijit; Conn, Blair C. (IOP Publishing, 2016)
      We report the discovery of one RR Lyrae star in the ultra-faint satellite galaxy Hydra II based on time series photometry in the g, r and i bands obtained with the Dark Energy Camera at Cerro Tololo Inter-American Observatory, ...