Navegação Ciências Exatas e da Terra por Autor "Annis, James T."

Resultados 1-10 de 10

    • An r -process enhanced star in the dwarf galaxy Tucana III 

      Hansen, Terese T.; Simon, Josh D.; Marshall, Jennifer L.; Li, T. S.; Carollo, Daniela; DePoy, Darren L.; Nagasawa, Daniel Q.; Bernstein, Rebecca A.; Drlica-Wagner, Alex; Abdalla, Filipe B.; Allam, Sahar S.; Annis, James T.; Bechtol, Keith; Benoit-Lévy, Aurélien; Brooks, D.; Buckley-Geer, Elizabeth; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; Costa, Luiz N. da; Desai, S.; Eifler, Tim; Fausti Neto, Angelo; Flaugher, Brenna; Frieman, Joshua A.; García-Bellido, Juan; Gaztañaga, Enrique; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia de Figueiredo; Gutierrez, Gaston R.; James, David J.; Krause, Elisabeth; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Miquel, Ramon; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Walker, Alistair; DES Collaboration (2017) [Artigo de periódico]
      Chemically peculiar stars in dwarf galaxies provide a window for exploring the birth environment of stars with varying chemical enrichment. We present a chemical abundance analysis of the brightest star in the newly ...

    • A dark energy camera search for missing supergiants in the LMC after the advanced LIGO gravitational-wave event GW150914 

      Annis, James T.; Soares-Santos, Marcelle; Berger, Edo; Brout, Dillon J.; Chen, Hsinyu; Chornock, Ryan; Cowperthwaite, Philip S.; Diehl, H. Thomas; Doctor, Z.; Drlica-Wagner, Alex; Drout, Maria R.; Farr, Benjamin F.; Finley, David A.; Flaugher, Brenna; Foley, Ryan Joseph; Frieman, Joshua A.; Gruendl, Robert A.; Herner, Kenneth R.; Holz, Daniel E.; Kessler, Richard S.; Lin, H.; Marriner, John P.; Neilsen, Eric H.; Rest, Armin; Sako, Masao; Smith, Matthew Wilson L.; Smith, Nathan D.; Sobreira, Flávia; Walker, Alistair; Yanny, Brian; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Benoit-Lévy, Aurélien; Bernstein, Gary M.; Bertin, Emmanuel; Buckley-Geer, Elizabeth; Burke, David Lyle; Capozzi, Diego; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Castander Serentill, Francisco Javier; Cenko, Stephen Bradley; Crocce, Martin; Cunha, Carlos Eduardo; D'Andrea, Christopher B.; Costa, Luiz N. da; Desai, S.; Dietrich, Jörg P.; Eifler, Tim; Evrard, August E.; Fernández, Eva María; Fischer, John A.; Fong, Wenfai; Fosalba Vela, Pablo; Fox, Derek B.; Fryer, Chris L.; García-Bellido, Juan; Gaztañaga, Enrique; Gerdes, David W.; Goldstein, Daniel Abraham; Gruen, Daniel; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Karliner, Inga; Kasen, Daniel N.; Kent, Stephen M.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Li, T. S.; Lima, Marcos Vinicius Borges Teixeira; Maia, Marcio Antonio Geimba; Martini, Paul; Metzger, Brian D.; Miller, Christopher J.; Miquel, Ramon; Mohr, Joseph J.; Nichol, Robert C.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Peoples, John; Petravick, Donald L.; Plazas Malagón, Andrés Alejandro; Quataert, Eliot J.; Romer, Anita K.; Roodman, Aaron; Rykoff, Eli; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Schindler, Rafe H.; Schubnell, Michael; Sevilla Noarbe, Ignacio; Sheldon, Erin; Smith, Robert Christopher; Stebbins, Albert J.; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Thomas, Rollin C.; Tucker, Douglas L.; Vikram, Vinu; Wechsler, Risa H.; Weller, Jochen; Wester, William Carl; DES Collaboration (2016) [Artigo de periódico]
      The collapse of a stellar core is expected to produce gravitational waves (GWs), neutrinos, and in most cases a luminous supernova. Sometimes, however, the optical event could be significantly less luminous than a supernova ...

    • Discovery of two gravitationally lensed quasars in the Dark Energy Survey 

      Agnello, Adriano; Treu, Tommaso; Ostrovski, F.; Schechter, Paul L.; Buckley-Geer, Elizabeth; Lin, H.; Auger, Matthew W.; Courbin, Frederic Y. M.; Fassnacht, Christopher D.; Frieman, Joshua A.; Kuropatkin, Nikolay P.; Marshall, Phillip J.; McMahon, Richard G.; Meylan, Georges; More, Andrew Mills; Suyu, Sherry; Rusu, Cristian Eduard; Finley, David A.; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Annis, James T.; Banerji, M.; 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.; Costa, Luiz N. da; Desai, S.; Diehl, H. Thomas; Dietrich, Jörg P.; Doel, Peter; Eifler, Tim; Estrada, Juan; Fausti Neto, Angelo; Flaugher, Brenna; Fosalba Vela, Pablo; Gerdes, David W.; Gruen, Daniel; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Kent, Stephen M.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Lima, Marcos Vinicius Borges Teixeira; Maia, Marcio Antonio Geimba; March, Marisa Cristina; Marshall, Jennifer L.; Martini, Paul; Melchior, Peter M.; Miller, Christopher J.; Miquel, Ramon; Nichol, Robert C.; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Reil, Kevin; Romer, Anita K.; Roodman, Aaron; 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.; Tucker, Douglas L.; Walker, Alistair; Wechsler, Risa H.; Zhang, Yuanyuan (2015) [Artigo de periódico]
      We present spectroscopic confirmation of two new gravitationally lensed quasars, discovered in the Dark Energy Survey (DES) and Wide-field Infrared Survey Explorer (WISE) based on their multiband photometry and extended ...

    • Nearest neighbor : the low-mass Milky Way satellite Tucana III 

      Simon, Josh D.; Li, T. S.; Drlica-Wagner, Alex; Bechtol, Keith; Marshall, Jennifer L.; James, David J.; Wang, M.; Strigari, Louis E.; Balbinot, Eduardo; Kuehn, Kyler; Walker, Alistair; Abbott, Timothy M. C.; Allam, Sahar S.; Annis, James T.; Benoit-Lévy, Aurélien; Brooks, D.; Buckley-Geer, Elizabeth; Burke, David Lyle; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; D'Andrea, Christopher B.; Costa, Luiz N. da; DePoy, Darren L.; Desai, S.; Doel, Peter; Fernandez, Enrique; Flaugher, Brenna; Frieman, Joshua A.; García-Bellido, Juan; Gaztañaga, Enrique; Goldstein, Daniel Abraham; Gruen, Daniel; Gutierrez, Gaston R.; Kuropatkin, Nikolay P.; Maia, Marcio Antonio Geimba; Martini, Paul; Menanteau, Felipe; Miller, Christopher J.; Miquel, Ramon; Neilsen, Eric H.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Rykoff, Eli; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Sobreira, Flávia; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Whiteway, L.; Yanny, Brian; DES Collaboration (2017) [Artigo de periódico]
      We present Magellan/IMACS spectroscopy of the recently discovered Milky Way satellite TucanaIII (Tuc III). We identify 26 member stars in TucIII from which we measure a mean radial velocity of vhel=−102.3±0.4 (stat.)±2.0(sys.) ...

    • Star/galaxy separation at faint magnitudes : application to a simulated Dark Energy Survey 

      Soumagnac, Maayane Tamar; Abdalla, Filipe B.; Lahav, Ofer; Kirk, Donnacha; Sevilla Noarbe, Ignacio; Bertin, Emmanuel; Rowe, Barnaby T. P.; Annis, James T.; Busha, M. T.; Costa, Luiz N. da; Frieman, Joshua A.; Gaztañaga, Enrique; Jarvis, Michael; Lin, H.; Percival, Will J.; Santiago, Basilio Xavier; Sabiu, Cristiano Giovanni; Wechsler, Risa H.; Wolz, Laura; Yanny, Brian (2015) [Artigo de periódico]
      We address the problem of separating stars from galaxies in future large photometric surveys. We focus our analysis on simulations of the Dark Energy Survey (DES). In the first part of the paper, we derive the science ...

    • A stellar overdensity associated with the Small Magellanic Cloud 

      Pieres, Adriano; Santiago, Basilio Xavier; Drlica-Wagner, Alex; Bechtol, Keith; Marel, Roeland Paul van der; Besla, Gurtina; Martin, Nicolas F.; Belokurov, Vasily; Gallart, Carme; Martínez-Delgado, David; Marshall, Jennifer L.; Nöel, N. E. D.; Majewski, Steven Raymond; Cioni, Maria-Rosa L.; Li, T. S.; Hartley, William; Luque Canaza, Elmer Fidel; Conn, Blair Campbell; Walker, Alistair; Balbinot, Eduardo; Stringfellow, Guy S.; Olsen, Knut A. G.; Nidever, D.L.; Costa, Luiz N. da; Ogando, Ricardo L.C.; Maia, Marcio Antonio Geimba; Fausti Neto, Angelo; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Annis, James T.; Benoit-Lévy, Aurélien; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; D'Andrea, Christopher B.; Desai, S.; Diehl, H. Thomas; Doel, Peter; Flaugher, Brenna; Fosalba Vela, Pablo; García-Bellido, Juan; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia de Figueiredo; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Menanteau, Felipe; Miquel, Ramon; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Sako, Mari; 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.; Wester, William Carl (2017) [Artigo de periódico]
      We report the discovery of a stellar overdensity 8◦ north of the centre of the Small Magellanic Cloud (SMC; Small Magellanic Cloud Northern Over-Density; SMCNOD), using data from the first 2 yr of the Dark Energy Survey ...

    • A study of quasar selection in the supernova fields of the Dark Energy Survey 

      Tie, Suk Sien; Martini, Paul; Mudd, Dale; Ostrovski, F.; Reed, Sophie L.; Lidman, Chris; Kochanek, C.S.; Davis, Tamara M.; Sharp, Robert G.; Uddin, Syed; King, Anthea L.; Wester, William Carl; Tucker, Bradley; Tucker, Douglas L.; Buckley-Geer, Elizabeth; Carollo, Daniela; Childress, Michael; Glazebrook, Karl; Hinton, Samuel; Lewis, Geraint F.; Macaulay, Edward; O'Neill, C. R.; Abbott, Timothy M. C.; Abdalla, Filipe B.; Annis, James T.; Benoit-Lévy, Aurélien; Bertin, Emmanuel; Brooks, D.; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; Costa, Luiz N. da; DePoy, Darren L.; Desai, S.; Doel, Peter; Eifler, Tim; Evrard, August E.; Finley, David A.; Flaugher, Brenna; Fosalba Vela, Pablo; Frieman, Joshua A.; García-Bellido, Juan; Gaztañaga, Enrique; Gerdes, David W.; Goldstein, Daniel Abraham; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lima, Marcos Vinicius Borges Teixeira; Maia, Marcio Antonio Geimba; Marshall, Jennifer L.; Menanteau, Felipe; 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; 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; Thomas, D.; Walker, Alistair; DES Collaboration (2017) [Artigo de periódico]
      We present a study of quasar selection using the supernova fields of the Dark Energy Survey (DES). We used a quasar catalog from an overlapping portion of the SDSS Stripe 82 region to quantify the completeness and efficiency ...

    • 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 LMC geometry and outer stellar populations from early DES data 

      Balbinot, Eduardo; Santiago, Basilio Xavier; Girardi, Leo Alberto; Pieres, Adriano; Costa, Luiz N. da; Maia, Marcio Antonio Geimba; Gruendl, Robert A.; Walker, Alistair; Yanny, Brian; Drlica-Wagner, Alex; Benoit-Lévy, Aurélien; Abbott, Timothy M. C.; Allam, Sahar S.; Annis, James T.; Bernstein, Joseph P.; Bernstein, Rebecca A.; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, Elizabeth; Carnero Rosell, Aurelio; Cunha, Carlos Eduardo; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Doel, Peter; Estrada, Juan; Evrard, August E.; Fausti Neto, Angelo; Finley, David A.; Flaugher, Brenna; Frieman, Joshua A.; Gruen, Daniel; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; March, Marisa Cristina; Marshall, Jennifer L.; Miller, Christopher J.; Miquel, Ramon; Ogando, Ricardo L.C.; Peoples, John; Plazas Malagón, Andrés Alejandro; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Tucker, Douglas L.; Wechsler, Risa H.; Zuntz, J. (2015) [Artigo de periódico]
      The Dark Energy Camera has captured a large set of images as part of Science Verification (SV) for the Dark Energy Survey (DES). The SV footprint covers a large portion of the outer LargeMagellanic Cloud (LMC), providing ...

    • The redMaPPer galaxy cluster catalog from des science verification data 

      Rykoff, Eli; Rozo, Eduardo; Hollowood, D.; Bermeo-Hernandez, A.; Jeltema, Tesla E.; Mayers, Julian A.; Romer, Anita K.; Rooney, Philip J.; Saro, Alexandro; Cervantes, C. Vergara; Wechsler, Risa H.; Wilcox, Harry George; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Annis, James T.; Benoit-Lévy, Aurélien; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Burke, David Lyle; Capozzi, Diego; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Castander Serentill, Francisco Javier; Childress, Michael; Collins, C. A.; Cunha, Carlos Eduardo; D'Andrea, Christopher B.; Costa, Luiz N. da; Davis, Tamara M.; Desai, S.; Diehl, H. Thomas; Dietrich, Jörg P.; Doel, Peter; Evrard, August E.; Finley, David A.; Flaugher, Brenna; Fosalba Vela, Pablo; Frieman, Joshua A.; Glazebrook, Karl; Goldstein, Daniel Abraham; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Hilton, Matt; Honscheid, K.; Hoyle, Ben; James, David J.; Kay, Scott; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Lewis, Geraint F.; Lidman, Chris; Lima, Marcos Vinicius Borges Teixeira; Maia, Marcio Antonio Geimba; Mann, Robert G.; Marshall, Jennifer L.; Martini, Paul; Melchior, Peter M.; Miller, Christopher J.; Miquel, Ramon; Mohr, Joseph J.; Nichol, Robert C.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Reil, Kevin; Sahlén, Martin; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Stott, John P.; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thomas, D.; Tucker, Douglas L.; Uddin, Syed; Viana, Pedro T. P.; Vikram, Vinu; Walker, Alistair; Zhang, Yuanyuan; DES Collaboration (2016) [Artigo de periódico]
      We describe updates to the redMaPPer algorithm, a photometric red-sequence cluster finder specifically designed for large photometric surveys. The updated algorithm is applied to 150 deg2 of Science Verification (SV) data ...