Navegação Ciências Exatas e da Terra por Autor "Queiroz, Anna Bárbara de Andrade"

Resultados 1-20 de 20

    • Chemical trends in the Galactic halo from APOGEE data 

      Fernández Alvar, Emma; Carigi, Leticia; Allende Prieto, Carlos; Hayden, Michael; Beers, T.C.; Fernández-Trincado, José Gregorio; Meza, Andres; Schultheis, Mathias; Santiago, Basilio Xavier; Queiroz, Anna Bárbara de Andrade; Anders, Friedrich; Costa, Luiz N. da; Chiappini, C.C.M. (2017) [Artigo de periódico]
      The galaxy formation process in the cold dark matter scenario can be constrained from the analysis of stars in the Milky Way’s halo system. We examine the variation of chemical abundances in distant halo stars observed by ...

    • Chrono-chemodynamical analysis of the globular cluster NGC 6355 : looking for the fundamental bricks of the Bulge 

      Souza, Stefano O.; Ernandes, Heitor; Valentini, Marica; Barbuy, Beatriz; Chiappini, C.C.M.; Pérez Villegas, Maria de Los Angeles; Ortolani, Sergio; Friaça, Amâncio César Santos; Queiroz, Anna Bárbara de Andrade; Bica, Eduardo Luiz Damiani (2023) [Artigo de periódico]
      The information on Galactic assembly time is imprinted on the chemodynamics of globular clusters. This makes them important probes that help us to understand the formation and evolution of the Milky Way. Discerning between ...

    • Deep SOAR follow-up photometry of two Milky Way outer-halo companions discovered with Dark Energy Survey 

      Luque Canaza, Elmer Fidel; Santiago, Basilio Xavier; Pieres, Adriano; Queiroz, Anna Bárbara de Andrade; Dal Ponte, Marina; Thomas, D. (2018) [Artigo de periódico]
      We report the discovery of a new star cluster, DES 3, in the constellation of Indus, and deeper observations of the previously identified satellite DES J0222.7−5217 (Eridanus III). DES 3 was detected as a stellar overdensity ...

    • Digging deeper into the Southern skies : a compact Milky Way companion discovered in first-year Dark Energy Survey data 

      Luque Canaza, Elmer Fidel; Queiroz, Anna Bárbara de Andrade; Santiago, Basilio Xavier; Pieres, Adriano; Balbinot, Eduardo; Bechtol, Keith; Drlica-Wagner, Alex; Fausti Neto, Angelo; Costa, Luiz N. da; Maia, Marcio Antonio Geimba; Yanny, Brian; Abbott, Timothy M. C.; Allam, Sahar S.; Benoit-Lévy, Aurélien; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, Elizabeth; Burke, David Lyle; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; Desai, S.; Diehl, H. Thomas; Dietrich, Jörg P.; Eifler, Tim; Finley, David A.; Flaugher, Brenna; Fosalba Vela, Pablo; Frieman, Joshua A.; Gerdes, David W.; Gruen, Daniel; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Li, T. S.; March, Marisa Cristina; Marshall, Jennifer L.; Martini, Paul; Miquel, Ramon; Neilsen, Eric H.; Nichol, Robert C.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Roodman, Aaron; Sanchez-Alvaro, Eusebio; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Tucker, Douglas L.; Walker, Alistair; Zhang, Y.; DES Collaboration (2016) [Artigo de periódico]
      We use the first-year Dark Energy Survey (DES) data down to previously unprobed photometric depths to search for stellar systems in the Galactic halo, therefore complementing the previous analysis of the same data carried ...

    • Dissecting stellar chemical abundance space with t-SNE 

      Anders, Friedrich; Chiappini, C.C.M.; Santiago, Basilio Xavier; Matijeviĉ, Gal; Queiroz, Anna Bárbara de Andrade; Steinmetz, M.; Guiglion, Guillaume (2018) [Artigo de periódico]
      In the era of large-scale Galactic astronomy and multi-object spectroscopic stellar surveys, the sample sizes and the number of available stellar chemical abundances have reached dimensions in which it has become difficult ...

    • Eight new Milky Way companions discovered in first-year Dark Energy Survey data 

      Bechtol, Keith; Drlica-Wagner, Alex; Balbinot, Eduardo; Pieres, Adriano; Simon, Josh D.; Yanny, Brian; Santiago, Basilio Xavier; Wechsler, Risa H.; Frieman, Joshua A.; Walker, Alistair; Williams, P.; Rozo, Eduardo; Rykoff, Eli; Queiroz, Anna Bárbara de Andrade; Luque Canaza, Elmer Fidel; Benoit-Lévy, Aurélien; Tucker, Douglas L.; Sevilla Noarbe, Ignacio; Gruendl, Robert A.; Costa, Luiz N. da; Fausti Neto, Angelo; Maia, Marcio Antonio Geimba; Abbott, Timothy M. C.; Allam, Sahar S.; Armstrong, Robert; Bauer, Anne Hollister; Bernstein, Gary M.; Bernstein, Rebecca A.; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, Elizabeth; Burke, David Lyle; Carnero Rosell, Aurelio; Castander Serentill, Francisco Javier; Covarrubias, Ricardo A.; D'Andrea, Christopher B.; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Eifler, Tim; Estrada, Juan; Evrard, August E.; Fernandez, Enrique; Finley, David A.; Flaugher, Brenna; Gaztañaga, Enrique; Gerdes, David W.; Girardi, Leo Alberto; Gladders, Michael David; Gruen, Daniel; Gutierrez, Gaston R.; Hao, Jiangang; Honscheid, K.; Jain, Bhuvnesh; James, David J.; Kent, Stephen M.; Kron, Richard G.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Li, T. S.; Lin, H.; Makler, Martín; March, Marisa Cristina; Marshall, Jennifer L.; Martini, Paul; Merritt, K. Wyatt; Miller, Christopher J.; Miquel, Ramon; Mohr, Joseph J.; Neilsen, Eric H.; Nichol, Robert C.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Peoples, John; Petravick, Donald L.; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Roodman, Aaron; Sako, Masao; Sanchez-Alvaro, Eusebio; Scarpine, Victor Emanuel; Schubnell, Michael; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Thomas, D.; Wester, William Carl; Zuntz, J.; DES Collaboration (2015) [Artigo de periódico]
      We report the discovery of eight new Milky Way companions in ~1800 deg2 of optical imaging data collected during the first year of the Dark Energy Survey (DES). Each system is identified as a statistically significant ...

    • Eight ultra-faint galaxy candidates discovered in year two the Dark Energy Survey 

      Drlica-Wagner, Alex; Bechtol, Keith; Rykoff, Eli; Luque Canaza, Elmer Fidel; Queiroz, Anna Bárbara de Andrade; Mao, Yao-Yuan; Wechsler, Risa H.; Simon, Josh D.; Santiago, Basilio Xavier; Yanny, Brian; Balbinot, Eduardo; Dodelson, Scott; Fausti Neto, Angelo; James, David J.; Li, T. S.; Maia, Marcio Antonio Geimba; Marshall, Jennifer L.; Pieres, Adriano; Stringer, Katelyn M.; Walker, Alistair; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Benoit-Lévy, Aurélien; Bernstein, Rebecca A.; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, Elizabeth; Burke, David Lyle; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Crocce, Martin; Costa, Luiz N. da; Desai, S.; Diehl, H. Thomas; Dietrich, Jörg P.; Doel, Peter; Eifler, Tim; Evrard, August E.; Flaugher, Brenna; Fosalba Vela, Pablo; Frieman, Joshua A.; Gaztañaga, Enrique; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Honscheid, K.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Miquel, Ramon; Nord, Brian Dennis; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Reil, Kevin; Roodman, Aaron; Sako, Masao; Sanchez-Alvaro, Eusebio; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Tucker, Douglas L.; Vikram, Vinu; Wester, William Carl; Zhang, Yuanyuan; Zuntz, J.; DES Collaboration (2015) [Artigo de periódico]
      We report the discovery of eight new ultra-faint dwarf galaxy candidates in the second year of optical imaging data from the Dark Energy Survey (DES). Six of these candidates are detected at high confidence, while two ...

    • Estimating stellar birth radii and the time evolution of Milky Way’s ISM metallicity gradient 

      Minchev, Ivan; Anders, Friedrich; Recio-Blanco, Alejandra; Chiappini, C.C.M.; Laverny, Patrick de; Queiroz, Anna Bárbara de Andrade; Steinmetz, M.; Adibekyan, Vardan; Carrillo, Ismael; Cescutti, Gabriele; Guiglion, Guillaume; Hayden, Michael; Jong, Roelof S. de; Kordopatis, Georges; Majewski, Steven Raymond; Martig, Marie; Santiago, Basilio Xavier (2018) [Artigo de periódico]
      We present a semi-empirical, largelymodel-independent approach for estimatingGalactic birth radii, rbirth, for Milky Way disc stars. The technique relies on the justifiable assumption that a negative radial metallicity ...

    • From the bulge to the outer disc : StarHorse stellar parameters, distances, and extinctions for stars in APOGEE DR16 and other spectroscopic surveys 

      Queiroz, Anna Bárbara de Andrade; Santiago, Basilio Xavier; Zamora, Olga (2020) [Artigo de periódico]
      We combine high-resolution spectroscopic data from APOGEE-2 survey Data Release 16 (DR16) with broad-band photometric data from several sources as well as parallaxes from Gaia Data Release 2 (DR2). Using the Bayesian ...

    • Kinematics with Gaia DR2 : the force of a dwarf 

      Carrillo, Ismael; Minchev, Ivan; Steinmetz, M.; Monari, Giacomo; Laporte, Chervin F. P.; Anders, Friedrich; Queiroz, Anna Bárbara de Andrade; Chiappini, C.C.M.; Khalatyan, Arman V.; Martig, Marie; McMillan, Paul; Santiago, Basilio Xavier; Youakim, Kris (2019) [Artigo de periódico]
      We use Gaia DR2 astrometric and line-of-sight velocity information combined with two sets of distances obtained with a Bayesian inference method to study the 3D velocity distribution in the Milky Way disc. We search for ...

    • Physical properties of star clusters in the outer LMC as observed by the DES 

      Pieres, Adriano; Santiago, Basilio Xavier; Balbinot, Eduardo; Luque Canaza, Elmer Fidel; Queiroz, Anna Bárbara de Andrade; Costa, Luiz N. da; Maia, Marcio Antonio Geimba; Drlica-Wagner, Alex; Roodman, Aaron; Abbott, Timothy M. C.; Allam, Sahar S.; Benoit-Lévy, Aurélien; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, E.; Burke, David Lyle; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; Desai, S.; Diehl, H. Thomas; Eifler, Tim; Finley, David A.; Flaugher, Brenna; Fosalba Vela, Pablo; Frieman, Joshua A.; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Honscheid, K. (Klaus); James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Li, T. S.; Marshall, Jennifer L.; Martini, Paul; Miller, Christopher J.; Miquel, Ramon; Nichol, Robert C.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Sanchez-Alvaro, Eusebio; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Thomas, D.; Tucker, Douglas L.; Walker, Alistair (2016) [Artigo de periódico]
      The Large Magellanic Cloud (LMC) harbours a rich and diverse system of star clusters, whose ages, chemical abundances and positions provide information about the LMC history of star formation. We use Science Verification ...

    • Search for gamma-ray emission from DES dwarf spheroidal galaxy candidates with Fermi-LAT data 

      Drlica-Wagner, Alex; Albert, Andrea; Bechtol, Keith; Wood, Matthew Dunseth; Strigari, Louis E.; Sánchez-Conde, Miguel A.; Baldini, Luca; Essig, Rouven; Cohen-Tanugi, Johann; Anderson, Brandon; Bellazzini, Ronaldo; Bloom, Elliott D.; Caputo, Regina; Cecchi, Claudia; Charles, Eric Andre; Chiang, James; De Angelis, Alessandro; Funk, Stefan; Fusco, Piergiorgio; Gargano, Fabio; Giglietto, Nico; Giordano, Francesco; Guiriec, Sylvain; Gustafsson, Michael; Kuss, Michael; Loparco, Francesco; Lubrano, Pasquale; Mirabal, N.; Mizuno, Tsunefumi; Morselli, Aldo; Ohsugi, Takashi; Orlando, Elena; Persic, Massimo; Raino, Silvia; Spada, Francesca Romana; Suson, Daniel J.; Zaharijas, Gabrijela; Zimmer, Stephan; Abbott, Timothy M. C.; Allam, Sahar S.; Balbinot, Eduardo; Bauer, Anne Hollister; Benoit-Lévy, Aurélien; Bernstein, Rebecca A.; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, Elizabeth; Burke, David Lyle; Carnero Rosell, Aurelio; Castander Serentill, Francisco Javier; Covarrubias, Ricardo A.; D'Andrea, Christopher B.; Costa, Luiz N. da; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Cunha, Carlos Eduardo; Eifler, Tim; Estrada, Juan; Evrard, August E.; Fausti Neto, Angelo; Fernandez, Enrique; Finley, David A.; Flaugher, Brenna; Frieman, Joshua A.; Gaztañaga, Enrique; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Honscheid, K.; Jain, Bhuvnesh; James, David J.; Jeltema, Tesla E.; Kent, Stephen M.; Kron, Richard G.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Li, T. S.; Luque Canaza, Elmer Fidel; Maia, Marcio Antonio Geimba; Makler, Martín; March, Marisa Cristina; Marshall, Jennifer L.; Martini, Paul; Merritt, K. Wyatt; Miller, Christopher J.; Miquel, Ramon; Mohr, Joseph J.; Neilsen, Eric H.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Peoples, John; Petravick, Donald L.; Pieres, Adriano; Plazas Malagón, Andrés Alejandro; Queiroz, Anna Bárbara de Andrade; Romer, Anita K.; Roodman, Aaron; Rykoff, Eli; Sako, Masao; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Thomas, D.; Tucker, Douglas L.; Walker, Alistair; Wechsler, Risa H.; Wester, William Carl; Williams, P.; Yanny, Brian; Zuntz, J.; Fermi LAT Collaboration; DES Collaboration (2015) [Artigo de periódico]
      Due to their proximity, high dark-matter (DM) content, and apparent absence of non-thermal processes, Milky Way dwarf spheroidal satellite galaxies (dSphs) are excellent targets for the indirect detection of DM. Recently, ...

    • Sloan Digital Sky Survey IV : mapping the Milky Way, nearby galaxies, and the distant universe 

      Blanton, M.R.; Bershady, Matthew A.; Abolfathi, Bela; Albareti, Franco D.; Allende Prieto, Carlos; Almeida, Andres; Alonso Garcia, Javier; Anders, Friedrich; Anderson, Scott F.; Andrews, Brett H.; Aquino-Ortíz, Erik; Aragón-Salamanca, Alfonso; Argudo-Fernández, Maria; Armengaud, Eric; Aubourg, Éric; Avila-Reese, Vladimir; Badenes, Carles; Bailey, Stephen; Barger, Kathleen A.; Barrera-Ballesteros, Jorge; Bartosz, Curtis; Bates, Dominic; Baumgarten, Falk; Bautista, Julian; Beaton, Rachael Lynn; Beers, T.C.; Belfiore, Francesco; Bender, Chad Frederick; Berlind, Andreas A.; Bernardi, Mariangela; Beutler, Florian; Bird, Jonathan C.; Bizyaev, D.; Blanc, Guillermo A.; Blomqvist, Michael C.; Bolton, Adam S.; Boquien, Médéric; Borissova, Jura; Bosch, Remco van den; Bovy, Jo; Brandt, W.N.; Brinkmann, Jon; Brownstein, Joel R.; Bundy, Kevin; Burgasser, Adam J.; Burtin, Etienne; Busca, Nicolas G.; Cappellari, Michele; Carigi, Leticia; Carlberg, J.K.; Carnero Rosell, Aurelio; Carrera, Ricardo; Chanover, Nancy J.; Cherinka, Brian; Cheung, Edmond; Chew, Yilen Gómez Maqueo; Chiappini, C.C.M.; Choi, Peter Doohyun; Chojnowski, Stephen Drew; Chuang, Chia-Hsun; Chung, Haeun; Cirolini, Rafael Fernando; Clerc, Nicolas; Cohen, Roger; Comparat, Johan; Costa, Luiz N. da; Cousinou, Marie-Claude; Covey, Kevin; Crane, Jeffrey D.; Croft, Rupert A.C.; Cruz-Gonzalez, Irene; Cuadra, Daniel Garrido; Cunha, Katia; Damke, Guillermo J.; Darling, Jeremy; Davies, Roger L.; Dawson, K.S.; Macorra, Axel de la; Dell'Agli, Flavia; De Lee, Nathan M.; Delubac, Timothée; Di Mille, Francesco; Diamond-Stanic, Aleksandar M.; Cano-Díaz, Mariana; Donor, John; Downes Wallace, Juan Jose; Drory, Niv; Du Mas Des Bourboux, Hélion; Duckworth, Christopher; Dwelly, Tom; Dyer, Jamie Christine; Ebelke, Garrett L.; Eigenbrot, Arthur D.; Eisenstein, Daniel, J.; Emsellem, Eric; Eracleous, Michael; Escoffier, Stephanie; Evans, Michael L.; Fan, Xiaohui; Fernández Alvar, Emma; Fernández-Trincado, José Gregorio; Feuillet, Diane; Finoguenov, Alexis; Fleming, S.W.; Font-Ribera, A.; Fredrickson, Alexander; Freischlad, Gordon; Frinchaboy, P.M.; Fuentes, Carla E.; Galbany, Lluís; Dias, Rafael Augusto Garcia; García-Hernández, D. A.; Gaulme, Patrick; Geisler, Doug; Gelfand, Joseph D.; Gil-Marín, Héctor; Gillespie, Bruce A.; Goddard, Daniel; Gonzalez-Perez, Violeta; Grabowski, Kathleen; Green, Paul J.; Grier, Catherine J.; Gunn, James E.; Guo, Hong; Guy, Julien; Hagen, Alex; Hahn, ChangHoon; Hall, Matthew; Harding, Paul; Hasselquist, Sten; Hawley, Suzanne L.; Hearty, Frederick R.; González Hernández, Jonay I.; Ho, Shirley; Hogg, D.W.; Holley-Bockelmann, Kelly; Holtzman, J.A.; Holzer, Parker H.; Huehnerhoff, Joseph; Hutchinson, Timothy A.; Hwang, Ho Seong; Ibarra Medel, Hector Javier; Ilha, Gabriele da Silva; Ivans, Inese I.; Ivory, KeShawn; Jackson, Kelly M.; Jensen, Trey W.; Johnson, Jennifer A.; Jones, Amy P.; Jönsson, Henrik; Jullo, Eric; Kamble, Vikrant Anand; Kinemuchi, Karen; Kirkby, David; Kitaura, Francisco-Shu; Klaene, Mark A.; Knapp, G. R.; Kneib, J.P.; Kollmeier, Juna A.; Lacerna, Ivan; Lane, Richard R.; Lang, Dustin; Law, David R.; Lazarz, Daniel; Lee, Youngbae; Le Goff, Jean-Marc; Liang, Fu-Heng; Li, Cheng; Li, Hongyu; Lian, Jianhui; Lima, Marcos Vinicius Borges Teixeira; Lin, Lihwai; Lin, Y.-T.; Lis, Sara Bertran de; Lizaola, Miguel Angel C. de Icaza; Long, Daniel C.; Lucatello, Sara; Lundgren, B.; Macdonald, Nicholas; Machado, Alice Deconto; MacLeod, Chelsea L.; Mahadevan, Suvrath; Maia, Marcio Antonio Geimba; Maiolino, Roberto; Majewski, Steven Raymond; Malanushenko, E.; Malanushenko, V.; Manchado, Arturo; Mao, Shude; Maraston, Claudia; Marques-Chaves, Rui; Masseron, Thomas; Masters, K.L.; McBride, Cameron K.; McDermid, Richard; McGrath, Brianne; McGreer, Ian D.; Medina Peña, Nicolás; Melendez, Matthew; Merloni, Andrea; Merrifield, Michael; Mészáros, S.; Meza, Andres; Minchev, Ivan; Minniti, Dante; Miyaji, Takamitsu; More, Surhud Shrikant; Mulchaey, John Scott; Muller-Sanchez, Francisco; Muna, Demitri; Mũñoz, Ricardo R.; Myers, A.D.; Nair, Preethi B.; Nandra, Kirpal; Nascimento, Janaina Correa do; Negrete, Alenka; Ness, Melissa; Newman, Jeffrey A.; Nichol, Robert C.; Nidever, D.L.; Nitschelm, Christian; Ntelis, Pierros; O'Connell, Julia E.; Oelkers, Ryan J.; Oravetz, Audrey; Oravetz, Daniel J.; Pace, Zach; Padilla, Nelson; Palanque-Delabrouille, Nathalie; Alonso Palicio, Pedro; Pan, K.; Parejko, J.K.; Parikh, Taniya; Pâris, Isabelle; Park, Changbom; Patten, Alim Y.; Peirani, Sébastien; Pellejero-Ibanez, Marcos; Penny, Samantha J.; Percival, Will J.; Pérez-Fournon, Ismael; Petitjean, P.; Pieri, Matthew M.; Pinsonneault, Marc H.; Pisani, Alice; Poleski, Radosław; Prada, Francisco; Prakash, Abhishek; Queiroz, Anna Bárbara de Andrade; Raddick, M. Jordan; Raichoor, Anand; Rembold, Sandro Barboza; Richstein, Hannah; Riffel, Rogemar André; Riffel, Rogério; Rix, H.-W.; Robin, Annie C.; Rockosi, C.M.; Rodríguez-Torres, Sergio; Roman-Lopes, Alexandre; Román-Zñiga, Carlos Gerardo; Rosado, Margarita; Ross, Ashley Jacob; Rossi, Graziano; Ruan, John J.; Ruggeri, Rossana; Rykoff, Eli; Salazar-Albornoz, Salvador; Salvato, Mara; Sánchez, Ariel G.; Sánchez Aguado, David; Sánchez-Gallego, José Ramón; Santana, Felipe A.; Santiago, Basilio Xavier; Sayres, Conor; Schiavon, Ricardo P.; Schimoia, Jáderson da Silva; Schlafly, Edward F.; Schlegel, David J.; Schneider, D.P.; Schultheis, Mathias; Schuster, William J.; Schwope, Axel D.; Seo, Hee-Jong; Shao, Zhengyi; Shen, Shiyin; Shetrone, M.; Shull, John Michael; Simon, Josh D.; Skinner, Danielle; Skrutskie, M.F.; Slosar, A.; Smith, Verne V.; Sobeck, Jennifer S.; Sobreira, Flávia; Somers, Garrett; Souto, Diogo Martins; Stark, David V.; Stassun, Keivan G.; Stauffer, Fritz; Steinmetz, M.; Storchi-Bergmann, Thaisa; Streblyanska, Alina; Stringfellow, Guy S.; Suárez, Genaro; Sun, Jing; Suzuki, Nao; Szigeti, Laszlo; Taghizadeh-Popp, Manuchehr; Tang, Baitian; Tao, Charling; Tayar, Jamie; Tembe, Mita; Teske, Johanna K.; Thakar, Aniruddha R.; Thomas, D.; Thompson, Benjamin A.; Tinker, Jeremy; Tissera, Patricia Beatriz; Tojeiro, R.; Hernandez-Toledo, Hector M.; Torre, Sylvain De La; Tremonti, Christy A.; Troup, Nicholas W.; Valenzuela, Octavio; Valpuesta, Inma Martinez; Vargas-González, Jaime; Vargas Magaña, Mariana; Vazquez, Jose Alberto; Villanova , Sandro; Vivek, M.; Vogt, N.P.; Wake, D.A.; Walterbos, Rene A. M.; Wang, Yuting; Weaver, Benjamin A.; Weijmans, Anne Marie; Weinberg, D.H.; Westfall, Kyle B.; Whelan, David G.; Wild, Vivienne; Wilson, John C.; Wood-Vasey, W.M.; Wylezalek, Dominika; Xiao, Ting; Yan, Renbin; Yang, Meng; Ybarra, Jason E.; Yèche, Christophe; Zakamska, Nadia L.; Zamora, Olga; Zarrouk, Pauline; Zasowski, G.; Zhang, Kai; Zhao, Gong-Bo; Zheng, Zheng; Zhou, Xu; Zhou, Zhimin; Zhu, Guangtun; Zoccali, Manuela; Zou, Hu (2017) [Artigo de periódico]
      We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands ...

    • Spectro-photometric distances to stars : a general purpose Bayesian approach 

      Santiago, Basilio Xavier; Brauer, Dorothée; Anders, Friedrich; Chiappini, C.C.M.; Queiroz, Anna Bárbara de Andrade; Girardi, Leo Alberto; Rocha-Pinto, H.J.; Balbinot, Eduardo; Costa, Luiz N. da; Maia, Marcio Antonio Geimba; Schultheis, Mathias; Steinmetz, M.; Miglio, Andrea; Montalbán, Josefina; Schneider, D.P.; Beers, T.C.; Frinchaboy, P.M.; Lee, Y.S.; Zasowski, G. (2016) [Artigo de periódico]
      Context. Determining distances to individual field stars is a necessary step towards mapping Galactic structure and determining spatial variations in the chemo-dynamical properties of stellar populations in the Milky Way. ...

    • StarHorse : a Bayesian tool for determining stellar masses, ages, distances, and extinctions for field stars 

      Queiroz, Anna Bárbara de Andrade; Anders, Friedrich; Santiago, Basilio Xavier; Chiappini, C.C.M.; Steinmetz, M.; Dal Ponte, Marina; Stassun, Keivan G.; Costa, Luiz N. da; Maia, Marcio Antonio Geimba; Souza, Juliana Crestani Ribeiro de; Beers, T.C.; Fernández-Trincado, José Gregorio; García-Hernández, D. A.; Roman-Lopes, Alexandre; Zamora, Olga (2018) [Artigo de periódico]
      Understanding the formation and evolution of our Galaxy requires accurate distances, ages, and chemistry for large populations of field stars. Here, we present several updates to our spectrophotometric distance code, which ...

    • StarHorse results for spectroscopic surveys and Gaia DR3 : chrono-chemical populations in the solar vicinity, the genuine thick disk, and young alpha-rich stars 

      Queiroz, Anna Bárbara de Andrade; Anders, Friedrich; Chiappini, C.C.M.; Barbuy, Beatriz; Khalatyan, Arman V.; Santiago, Basilio Xavier; Nepal, Samir; Steinmetz, M.; Gallart, Carme; Valentini, Marica; Dal Ponte, Marina; Barbuy, Beatriz; Pérez Villegas, Maria de Los Angeles; Masseron, Thomas; Fernández-Trincado, José Gregorio; Khoperskov, Sergey A.; Minchev, Ivan; Fernández Alvar, Emma; Lane, Richard R.; Nitschelm, Christian (2023) [Artigo de periódico]
      The Gaia mission has provided an invaluable wealth of astrometric data for more than a billion stars in our Galaxy. The synergy between Gaia astrometry, photometry, and spectroscopic surveys gives us comprehensive information ...

    • The Dark Energy Survey view of the Sagittarius stream : discovery of two faint stellar system candidates 

      Luque Canaza, Elmer Fidel; Pieres, Adriano; Santiago, Basilio Xavier; Yanny, Brian; Vivas, Anna Katherina; Queiroz, Anna Bárbara de Andrade; Drlica-Wagner, Alex; Morganson, Eric; Balbinot, Eduardo; Marshall, Jennifer L.; Li, T. S.; Fausti Neto, Angelo; Costa, Luiz N. da; Maia, Marcio Antonio Geimba; Bechtol, Keith; Kim, A. G.; Bernstein, Gary M.; Dodelson, Scott; Whiteway, L.; Diehl, H. Thomas; Finley, David A.; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Annis, James T.; Benoit-Lévy, Aurélien; Bertin, Emmanuel; Brooks, D.; Burke, David Lyle; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; D'Andrea, Christopher B.; Desai, S.; Doel, Peter; Evrard, August E.; Flaugher, Brenna; Fosalba Vela, Pablo; Gerdes, David W.; Goldstein, Daniel Abraham; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Martini, Paul; Miquel, Ramon; Nord, Brian Dennis; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Sanchez-Alvaro, Eusebio; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thomas, D.; Walker, Alistair (2017) [Artigo de periódico]
      We report the discovery of two new candidate stellar systems in the constellation of Cetus using the data from the first two years of the Dark Energy Survey (DES). The objects, DES J0111−1341 and DES J0225+0304, are located ...

    • The fourteenth data release of the Sloan Digital Sky Survey : first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment 

      Abolfathi, Bela; Nascimento, Janaina Correa do; Queiroz, Anna Bárbara de Andrade; Riffel, Rogério; Santiago, Basilio Xavier; Schimoia, Jáderson da Silva; Storchi-Bergmann, Thaisa; Zou, Hu (2018) [Artigo de periódico]
      The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since 2014 July. This paper describes the second data release from this phase, and the 14th from SDSS overall (making this Data Release ...

    • The metal-rich halo tail extended in |z|: a characterization with Gaia DR2 and APOGEE 

      Fernández Alvar, Emma; Fernández-Trincado, José Gregorio; Moreno-Díaz, Edmundo; Schuster, William J.; Carigi, Leticia; Recio-Blanco, Alejandra; Beers, Timothy C.; Chiappini, C.C.M.; Anders, Friedrich; Santiago, Basilio Xavier; Queiroz, Anna Bárbara de Andrade; Pérez Villegas, Maria de Los Angeles; Zamora, Olga; García-Hernández, D. A.; Ortigoza-Urdaneta, Mario (2019) [Artigo de periódico]
      We report an analysis of the metal-rich tail ([Fe/H]>−0.75) of stars located at distances fromthe Galactic plane up to|z|∼10 kpc, observed by the Apache Point Observatory GalacticEvolution Experiment (APOGEE). We examine ...

    • The Milky Way bar and bulge revealed by APOGEE and Gaia EDR3 

      Queiroz, Anna Bárbara de Andrade; Santiago, Basilio Xavier; Zasowski, G. (2021) [Artigo de periódico]
      We investigate the inner regions of the Milky Way using data from APOGEE and Gaia EDR3. Our inner Galactic sample has more than 26 500 stars within |XGal| < 5 kpc, |YGal| < 3.5 kpc, |ZGal| < 1 kpc, and we also carry out ...