Listar Ciencias Exactas y Naturales por autor "Yanny, Brian"

Mostrando ítems 1-19 de 19

    • Chemical abundance analysis of three α-poor, metal-poor stars in the ultrafaint dwarf galaxy Horologium I 

      Nagasawa, Daniel Q.; Santiago, Basilio Xavier; Yanny, Brian (2018) [Artículo de periódico]
      We present chemical abundance measurements of three stars in the ultrafaint dwarf galaxy Horologium I, a Milky Way satellite discovered by the Dark Energy Survey. Using high-resolution spectroscopic observations, we measure ...

    • 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) [Artículo 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 ...

    • 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) [Artículo 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 ...

    • Discovery of a stellar overdensity in Eridanus-Phoenix in the Dark Energy Survey 

      Li, T. S.; Balbinot, Eduardo; Mondrik, Nicholas Payne; Marshall, Jennifer L.; Yanny, Brian; Bechtol, Keith; Drlica-Wagner, Alex; Oscar, Douglas Darcie; Santiago, Basilio Xavier; Simon, Josh D.; Vivas, Anna Katherina; Walker, Alistair; Wang, M.; Abbott, Timothy M. C.; Abdalla, Filipe B.; Benoit-Lévy, Aurélien; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Burke, David Lyle; Carnero Rosell, Aurelio; Carretero Palacios, Jorge; Costa, Luiz N. da; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Doel, Peter; Estrada, Juan; Finley, David A.; Flaugher, Brenna; Frieman, Joshua A.; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Maia, Marcio Antonio Geimba; March, Marisa Cristina; Martini, Paul; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Reil, Kevin; 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; Tucker, Douglas L.; Zhang, Yuanyuan; DES Collaboration (2016) [Artículo de periódico]
      We report the discovery of an excess of main-sequence turnoff stars in the direction of the constellations of Eridanus and Phoenix from the first-year data of the Dark Energy Survey (DES). The Eridanus–Phoenix (EriPhe) ...

    • 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) [Artículo 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) [Artículo 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 ...

    • Farthest neighbor : the distant Milky Way satellite Eridanus II 

      Li, T. S.; Simon, Josh D.; Drlica-Wagner, Alex; Bechtol, Keith; Wang, M.; García-Bellido, Juan; Frieman, Joshua A.; Marshall, Jennifer L.; James, David J.; Strigari, Louis E.; Pace, Andrew B.; Balbinot, Eduardo; Zhang, Yuanyuan; Abbott, Timothy M. C.; Allam, Sahar S.; Benoit-Lévy, Aurélien; Bernstein, Gary M.; 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; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Eifler, Tim; Flaugher, Brenna; Goldstein, Daniel Abraham; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia de Figueiredo; Gutierrez, Gaston R.; Krause, Elisabeth; Kuehn, Kyler; Lin, H.; Maia, Marcio Antonio Geimba; March, Marisa Cristina; Menanteau, Felipe; Miquel, Ramon; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Sobreira, Flávia; Suchyta, Eric; Tarle, Gregory; Thomas, D.; Tucker, Douglas L.; Walker, Alistair; Wechsler, Risa H.; Wester, William Carl; Yanny, Brian; DES Collaboration (2017) [Artículo de periódico]
      We present Magellan/IMACS spectroscopy of the recently discovered Milky Way satellite EridanusII (Eri II). We identify 28 member stars in EriII, from which we measure a systemic radial velocity of vhel = 75.6 1.3 (stat.) ...

    • 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) [Artículo 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.) ...

    • A new Milk Way halo star cluster in the southern galactic sky 

      Balbinot, Eduardo; Santiago, Basilio Xavier; Costa, Luiz N. da; Maia, Marcio Antonio Geimba; Majewski, Steven Raymond; Nidever, D.L.; Rocha-Pinto, H.J.; Thomas, D.; Wechsler, Risa H.; Yanny, Brian (2013) [Artículo de periódico]
      We report on the discovery of a new Milky Way (MW) companion stellar system located at (αJ 2000, δJ 2000) = (22h10 m 43 s. 15,14º56'58".8). The discovery was made using the eighth data release of SDSS after applying an ...

    • SDSS-III : massive spectroscopic surveys of the distant universe, the Milk Way, and extra-solar planetary systems 

      Eisenstein, Daniel, J.; Weinberg, D.H.; Agol, Eric; Aihara, H.; Allende Prieto, Carlos; Anderson, S.F.; Arns, James A.; Aubourg, Éric; Bailey, Stephen; Balbinot, Eduardo; Barkhouser, Robert; Beers, T.C.; Berlind, Andreas A.; Bickerton, S.J.; Bizyaev, D.; Blanton, M.R.; Bochanski, J.J.; Bolton, Adam S.; Bosman, Casey T.; Bovy, Jo; Brandt, W.N.; Breslauer, Ben; Brewington, Howard J.; Brinkmann, Jon; Brown, Peter J.; Brownstein, Joel R.; Burger, Dan; Busca, Nicolas G.; Campbell, Heather; Cargile, Phillip A.; Carithers, William C.; Carlberg, J.K.; Carr, M.A.; Chang, Liang; Chen, Yanmei; Chiappini, C.C.M.; Comparat, Johan; Connolly, Natalia; Cortes, Marina; Croft, Rupert A.C.; Cunha, Katia; Costa, Luiz N. da; Davenport, J.R.A.; Dawson, K.S.; De Lee, Nathan M.; Mello, Gustavo Frederico Porto de; De Simoni, Fernando S.; Dean, Janice; Dhital, S.; Ealet, Anne; Ebelke, Garrett L.; Edmondson, E.M.; Eiting, J.M.; Escoffier, Stephanie; Esposito, Massimiliano; Evans, M.L.; Fan, Xiaohui; Femenía Castellá, B.; Ferreira, Letícia D.; Fitzgerald, Greg; Fleming, S.W.; Font-Ribera, A.; Ford, Eric B.; Frinchaboy, P.M.; García Pérez, Ana Elia; Gaudi, B. S.; Ge, Jian; Ghezzi, Luan; Gillespie, Bruce A.; Gilmore, Gerry; Girardi, Leo Alberto; Gott, J. Richard; Gould, Andrew; Grebel, Eva K.; Gunn, James E.; Hamilton, J.C.; Harding, Paul; Harris, D.W.; Hawley, Suzanne L.; Hearty, Frederick R.; Hennawi, J.F.; González Hernández, Jonay I.; Ho, Shirley; Hogg, D.W.; Holtzman, J.A.; Honscheid, K.; Inada, Naohisa; Ivans, Inese I.; Jiang, L.; Jiang, Peng; Johnson, J.A.; Jordan, Cathy; Jordan, W.P.; Kauffmann, Guinevere; Kazin, Eyal A.; Kirkby, David; Klaene, Mark A.; Knapp, G. R.; Kneib, J.P.; Kochanek, C.S.; Koesterke, L.; Kollmeier, Juna A.; Kron, Richard G.; Lampeitl, Hubert; Lang, Dustin; Lawler, J.E.; Le Goff, Jean-Marc; Lee, B.L.; Lee, Y.S.; Leisenring, J.M.; Lin, Y.-T.; Liu, Jian; Long, Daniel C.; Loomis, Craig P.; Lucatello, Sara; Lundgren, B.; Lupton, R.H.; Ma, Bo; Ma, Zhibo; Macdonald, Nicholas; Mack, C. E.; Mahadevan, Suvrath; Maia, Marcio Antonio Geimba; Majewski, Steven Raymond; Makler, Martín; Malanushenko, E.; Malanushenko, V.; Mandelbaum, Rachel; Maraston, Claudia; Margala, D.; Maseman, P.A.; Masters, K.L.; McBride, Cameron K.; McDonald, Patrick; McGreer, Ian D.; McMahon, Richard G.; Mena Requejo, Olga; Ménard, Brice; Miralda-Escudé, J.; Morrison, H.L.; Mullally, Fergal; Muna, Demitri; Murayama, H.; Myers, A.D.; Naugle, Tracy; Fausti Neto, Angelo; Nguyen, D.C.; Nichol, Robert C.; Nidever, D.L.; O'Connell, Robert West; Ogando, Ricardo L.C.; Olmstead, Matthew D.; Oravetz, Daniel J.; Padmanabhan, N.; Paegert, Martin; Palanque-Delabrouille, Nathalie; Pan, K.; Pandey, Parul; Parejko, J.K.; Pâris, Isabelle; Pellegrini, Paulo Sérgio de Souza; Pepper, J.; Percival, Will J.; Petitjean, P.; Pfaffenberger, Robert; Pforr, J.; Phleps, Stefanie; Pichon, C,; Pieri, Matthew M.; Prada, F.; Price-Whelan, Adrian M.; Raddick, M. Jordan; Ramos, Beatriz H.F.; Reid, I. Neill; Reylé, Céline; Rich, J.; Richards, G.T.; Rieke, G.H.; Rieke, M.J.; Rix, H.-W.; Robin, A.C.; Rocha-Pinto, H.J.; Rockosi, C.M.; Roe, Natalie A.; Rollinde, Emmanuel; Ross, A.J.; Ross, Nicholas P.; Rossetto, Bruno M.; Sánchez, Ariel G.; Santiago, Basilio Xavier; Sayres, Conor; Schiavon, Ricardo P.; Schlegel, David J.; Schlesinger, K.J.; Schmidt, Sarah. J.; Schneider, D.P.; Sellgren, K.; Bradley, Alaina C. Shelden; Sheldon, Erin; Shetrone, M.; Shu, Yiping; Silverman, J.D.; Simmerer, Jennifer; Simmons, Audrey E.; Sivarani, Thirupathi; Skrutskie, M.F.; Slosar, A.; Smee, Stephen; Smith, Verne V.; Snedden, S.A.; Stassun, Keivan G.; Steele, Oliver; Steinmetz, M.; Stockett, Mark H.; Stollberg, Todd; Strauss, Michael A.; Szalay, A.S.; Tanaka, M.; Thakar, Aniruddha; Thomas, D.; Tinker, Jeremy; Tofflemire, Benjamin M.; Tojeiro, R.; Tremonti, Christy A.; Vargas Magaña, Mariana; Verde, Licia; Vogt, N.P.; Wake, D.A.; Wan, Xiaoke; Wang, Ji; Weaver, Benjamin A.; White, M.; White, Simon D. M.; Wilson, J.C.; Wisniewski, J.P.; Wood-Vasey, W.M.; Yanny, Brian; Yasuda, Naoki; Yèche, Christophe; York, Donald G.; Young, E.; Zasowski, G.; Zehavi, I.; Zhao, Bo (2011) [Artículo de periódico]
      Building on the legacy of the Sloan Digital Sky Survey (SDSS-I and II), SDSS-III is a program of four spectroscopic surveys on three scientific themes: dark energy and cosmological parameters, the history and structure of ...

    • 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) [Artículo 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, ...

    • 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) [Artículo 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 ...

    • Stellar kinematics and metallicities in the ultra-faint dwarf galaxy Reticulum II 

      Simon, Josh D.; Drlica-Wagner, Alex; Li, T. S.; Nord, Brian Dennis; Geha, Marla; Bechtol, Keith; Balbinot, Eduardo; Buckley-Geer, Elizabeth; Lin, H.; Marshall, Jennifer L.; Santiago, Basilio Xavier; Strigari, Louis E.; Wang, M.; Wechsler, Risa H.; Yanny, Brian; Abbott, Timothy M. C.; Bauer, Anne Hollister; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Burke, David Lyle; Capozzi, Diego; Carnero Rosell, Aurelio; Carrasco Kind, Matías; D'Andrea, Christopher B.; Costa, Luiz N. da; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Dodelson, Scott; Cunha, Carlos Eduardo; 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.; Honscheid, K.; James, David J.; Kent, Stephen M.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Maia, Marcio Antonio Geimba; March, Marisa Cristina; Martini, Paul; Miller, Christopher J.; Miquel, Ramon; Ogando, Ricardo L.C.; Romer, Anita K.; Roodman, Aaron; Romer, Anita K.; Sako, Masao; Sanchez-Alvaro, Eusebio; 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.; Vikram, Vinu; Walker, Alistair; Wester, William Carl; DES Collaboration (2015) [Artículo de periódico]
      We present Magellan/M2FS, Very Large Telescope/GIRAFFE, and Gemini South/GMOS spectroscopy of the newly discovered Milky Way satellite Reticulum II. Based on the spectra of 25 Ret II member stars selected from Dark Energy ...

    • The Dark Energy Survey : more than dark energy – an overview 

      Abbott, Timothy M. C.; Abdalla, Filipe B.; Aleksíc, Jelena; Allam, Sahar S.; Amara, Adam; Bacon, David J.; Balbinot, Eduardo; Banerji, M.; Bechtol, Keith; Benoit-Lévy, Aurélien; Bernstein, Gary M.; Bertin, Emmanuel; Blazek, Jonathan A.; Bonnett, Christopher; Bridle, Sarah Louise; Brooks, D.; Brunner, Robert J.; Buckley-Geer, E.; Burke, David Lyle; Caminha, Gabriel Bartosch; Capozzi, Diego; Carlsen, J.; Carnero Rosell, Aurelio; Carollo, Marcella; Carrasco Kind, Matías; Carretero Palacios, Jorge; Castander Serentill, Francisco Javier; Clerkin, L.; Collett, Thomas E.; Conselice, Christopher J.; Crocce, Martin; Cunha, Carlos Eduardo; D'Andrea, Christopher B.; Costa, Luiz N. da; Davis, Tamara M.; Desai, S.; Diehl, H. Thomas; Dietrich, Jörg P.; Dodelson, Scott; Doel, Peter; Drlica-Wagner, Alex; Estrada, Juan; Etherington, James; Evrard, August E.; Fabbri, Joanna; Finley, David A.; Flaugher, Brenna; Foley, Ryan Joseph; Fosalba Vela, Pablo; Frieman, Joshua A.; García-Bellido, Juan; Gaztañaga, Enrique; Gerdes, David W.; Giannantonio,Tommaso; Goldstein, Daniel Abraham; Gruen, Daniel; Gruendl, Robert A.; Guarnieri, P.; Gutierrez, Gaston R.; Hartley, William; Honscheid, K. (Klaus); Jain, Bhuvnesh; James, David J.; Jeltema, Tesla E.; Jouvel, Stéphanie; Kessler, Richard S.; King, Anthea L.; Kirk, Donnacha; Kron, Richard G.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Li, T. S.; Lima, Marcos Vinicius Borges Teixeira; Lin, H.; Maia, Marcio Antonio Geimba; Makler, Martín; Manera, Marc; Maraston, Claudia; Marshall, Jennifer L.; Martini, Paul; McMahon, Richard G.; Melchior, Peter M.; Merson, Alexander I.; Miller, Christopher J.; Miquel, Ramon; Mohr, Joseph J.; Morice-Atkinson, Xan; Naidoo, Krishna; Neilsen, Eric H.; Nichol, Robert C.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Ostrovski, F.; Palmese, A.; Papadopoulos, Andreas; Peiris, Hiranya V.; Peoples, John; Percival, Will J.; Plazas Malagón, Andrés Alejandro; Reed, Sophie L.; Refregier, Alexandre; Romer, Anita K.; Roodman, Aaron; Ross, A.J.; Rozo, Eduardo; Rykoff, Eli; Sadeh, Iftach; Sako, Masao; Sánchez Alonso, Carles; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Sheldon, Erin; Smith, Matthew Wilson L.; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Soumagnac, Maayane Tamar; Suchyta, Eric; Sullivan, Mark; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Thomas, D.; Thomas, Rollin C.; Tucker, Douglas L.; Vieira, J. D.; Vikram, Vinu; Walker, Alistair; Wechsler, Risa H.; Weller, Jochen; Wester, William Carl; Whiteway, L.; Wilcox, Harry George; Yanny, Brian; Zhang, Yuanyuan; Zuntz, J.; DES Collaboration (2016) [Artículo de periódico]
      This overview paper describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES early data. DES is using a wide-field camera ...

    • The dark energy survey : prospects for resolved stellar populations 

      Rossetto, Bruno M.; Santiago, Basilio Xavier; Girardi, Leo Alberto; Camargo, Júlio I.B. de; Balbinot, Eduardo; Costa, Luiz N. da; Yanny, Brian; Maia, Marcio Antonio Geimba; Makler, Martín; Ogando, Ricardo L.C.; Pellegrini, Paulo Sérgio de Souza; Ramos, Beatriz H.F.; De Simoni, Fernando S.; Armstrong, Robert Ellis; Bertin, Emmanuel; Desai, S.; Kuropatkin, Nikolay P.; Lin, H.; Mohr, Joseph J.; Tucker, Douglas L. (2011) [Artículo de periódico]
      Wide angle and deep surveys, regardless of their primary purpose, always sample a large number of stars in the Galaxy and in its satellite system. Here we make a forecast of the expected stellar sample resulting from the ...

    • 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) [Artículo 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) [Artículo 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 ninth data release of the Sloan Digital Sky Survey : first spectroscopic data from the SDSS-III Baryon Oscillation Spectroscopic Survey 

      Ahn, Christopher P.; Alexandroff, Rachael; Allende Prieto, Carlos; Anderson, Scott F.; Anderton, Timothy; Andrews, Brett H.; Aubourg, Éric; Bailey, Stephen; Balbinot, Eduardo; Barnes, Rory; Bautista, Julian; Beers, T.C.; Beifiori, aless; Berlind, Andreas A.; Bhardwaj, Vaishali; Bizyaev, D.; Blake, Cullen H.; Blanton, M.R.; Blomqvist, Michael C.; Bochanski, J.J.; Bolton, Adam S.; Borde, Arnaud; Bovy, Jo; Brandt, W.N.; Brinkmann, Jon; Brown, Peter J.; Brownstein, Joel R.; Bundy, Kevin; Busca, Nicolas G.; Carithers, William C.; Carnero Rosell, Aurelio; Carr, M.A.; Casetti-Dinescu, Dana I.; Chen, Yanmei; Chiappini, C.C.M.; Comparat, Johan; Connolly, Natalia; Crepp, Justin R.; Cristiani, Stefano; Croft, Rupert A.C.; Cuesta, Antonio J.; Costa, Luiz N. da; Davenport, J.R.A.; Dawson, K.S.; Putter, Roland de; De Lee, Nathan M.; Delubac, Timothée; Dhital, S.; Ealet, Anne; Ebelke, Garrett L.; Edmondson, E.M.; Eisenstein, Daniel, J.; Escoffier, Stephanie; Esposito, Massimiliano; Evans, M.L.; Fan, Xiaohui; Femenía Castellá, B.; Fernández Alvar, Emma; Ferreira, Letícia D.; Ak, Nurten Filiz; Finley, Hayley; Fleming, S.W.; Font-Ribera, A.; Frinchaboy, P.M.; García-Hernández, D. A.; García Pérez, Ana Elia; Ge, Jian; Génova Santos, R. T.; Gillespie, Bruce A.; Girardi, Leo Alberto; González Hernández, Jonay I.; Grebel, Eva K.; Gunn, James E.; Guo, Hong; Haggard, Daryl; Hamilton, J.C.; Harris, D.W.; Hawley, Suzanne L.; Hearty, Frederick R.; Ho, Shirley; Hogg, D.W.; Holtzman, J.A.; Honscheid, K.; Huehnerhoff, Joseph; Ivans, Inese I.; Ivezić, Željko; Jacobson, Heather R.; Jiang, L.; Johansson, Jonas; Johnson, J.A.; Kauffmann, Guinevere; Kirkby, David; Kirkpatrick, Jessica A.; Klaene, Mark A.; Knapp, G. R.; Kneib, J.P.; Le Goff, Jean-Marc; Leauthaud, Alexie; Lee, Khee-Gan; Lee, Y.S.; Long, Daniel C.; Loomis, Craig P.; Lucatello, Sara; Lundgren, B.; Lupton, R.H.; Ma, Bo; Ma, Zhibo; Macdonald, Nicholas; Mack, C. E.; Mahadevan, Suvrath; Maia, Marcio Antonio Geimba; Majewski, Steven Raymond; Makler, Martín; Malanushenko, E.; Malanushenko, V.; Manchado, Arturo; Mandelbaum, Rachel; Manera, Marc; Maraston, Claudia; Margala, D.; Martell, Sarah L.; McBride, Cameron K.; McGreer, Ian D.; McMahon, Richard G.; Ménard, Brice; Mészáros, S.; Miralda-Escudé, J.; Montero-Dorta, Antonio D.; Montesano, Francesco; Morrison, H.L.; Muna, Demitri; Munn, Jeffrey, A.; Murayama, H.; Myers, A.D.; Fausti Neto, Angelo; Nguyen, D.C.; Nichol, Robert C.; Nidever, D.L.; Noterdaeme, Pasquier; Nuza, Sebastián E.; Ogando, Ricardo L.C.; Olmstead, Matthew D.; Oravetz, Daniel; Owen, Russel; Padmanabhan, N.; Palanque-Delabrouille, Nathalie; Pan, K.; Parejko, J.K.; Parihar, Prachi; Pâris, Isabelle; Pattarakijwanich, Petchara; Pepper, J.; Percival, Will J.; Pérez-Fournon, Ismael; Pérez-Ràfols, Ignasi; Petitjean, P.; Pforr, J.; Pieri, Matthew M.; Pinsonneault, Marc H.; Mello, Gustavo Frederico Porto de; Prada, F.; Price-Whelan, Adrian M.; Raddick, M. Jordan; Rebolo, Rafael; Rich, J.; Richards, G.T.; Robin, A.C.; Rocha-Pinto, H.J.; Rockosi, C.M.; Roe, Natalie A.; Ross, A.J.; Ross, Nicholas P.; Rossi, Graziano; Rubiño Martín, J. A.; Samushia, Lado; Sánchez Almeida, J.; Sánchez, Ariel G.; Santiago, Basilio Xavier; Sayres, Conor; Schlegel, David J.; Schlesinger, K.J.; Schmidt, Sarah. J.; Schneider, D.P.; Schultheis, Mathias; Schwope, Axel D.; Scóccola, Claudia G.; Seljak, Uros; Sheldon, Erin; Shen, Yue; Shu, Yiping; Simmerer, Jennifer; Simmons, Audrey E.; Skibba, Ramin A.; Skrutskie, M.F.; Slosar, A.; Sobreira, Flávia; Sobeck, Jennifer S.; Stassun, Keivan G.; Steele, Oliver; Steinmetz, M.; Strauss, Michael A.; Streblyanska, Alina; Suzuki, Nao; Swanson, Molly E. C.; Tal, Tomer; Thakar, Aniruddha R.; Thomas, D.; Thompson, Benjamin A.; Tinker, Jeremy; Tojeiro, R.; Tremonti, Christy A.; Vargas Magaña, Mariana; Verde, Licia; Viel, Matteo; Vikas, Shailendra K.; Vogt, N.P.; Wake, D.A.; Wang, Ji; Weaver, Benjamin A.; Weinberg, D.H.; Weiner, Benjamin J.; West, Andrew A.; White, M.; Wilson, J.C.; Wisniewski, J.P.; Wood-Vasey, W.M.; Yanny, Brian; Yèche, Christophe; York, Donald G.; Zamora, Olga; Zasowski, G.; Zehavi, I.; Zhao, Gong-Bo; Zheng, Zheng; Zhu, Guangtun; Zinn, Joel C. (2012) [Artículo de periódico]
      The Sloan Digital Sky Survey III (SDSS-III) presents the first spectroscopic data from the Baryon Oscillation Spectroscopic Survey (BOSS). This ninth data release (DR9) of the SDSS project includes 535,995 new galaxy spectra ...

    • The Phoenix stream : a cold stream in the southern hemisphere 

      Balbinot, Eduardo; Yanny, Brian; Li, T. S.; Santiago, Basilio Xavier; Marshall, Jennifer L.; Finley, David A.; Pieres, Adriano; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Benoit-Lévy, Aurélien; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Burke, David Lyle; Carnero Rosell, Aurelio; Carrasco Kind, Matías; Carretero Palacios, Jorge; Cunha, Carlos Eduardo; Costa, Luiz N. da; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Doel, Peter; Estrada, Juan; Flaugher, Brenna; Frieman, Joshua A.; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; March, Marisa Cristina; Martini, Paul; Miquel, Ramon; Nichol, Robert C.; Ogando, Ricardo L.C.; Romer, Anita K.; Sanchez-Alvaro, Eusebio; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Sobreira, Flávia; Suchyta, Eric; Tarle, Gregory; Thomas, D.; Tucker, Douglas L.; Walker, Alistair; DES Collaboration (2016) [Artículo de periódico]
      We report the discovery of a stellar stream in the Dark Energy Survey Year 1 (Y1A1) data. The discovery was made through simple color–magnitude filters and visual inspection of the Y1A1 data. We refer to this new object ...