Navegação Ciências Exatas e da Terra por Assunto "Surveys"

Resultados 1-20 de 52

    • Assessing the photometric redshift precision of the S-PLUS survey : the Stripe-82 as a test-case 

      Molino, Alberto; Schoenell, William; Chies-Santos, Ana Leonor; Abramo, L. Raul (2020) [Artigo de periódico]
      In this paper we present a thorough discussion about the photometric redshift (photo-z) performance of the Southern Photometric Local Universe Survey (S-PLUS). This survey combines a seven narrow +5 broad passband filter ...

    • Asteroseismology of PG 1541 + 651 and BPM 31594 with TESS 

      Romero, Alejandra Daniela; Rosa, Gabriela Oliveira da; Kepler, Souza Oliveira; Bradley, Paul A.; Uzundag, Murat; Bell, Keaton; Hermes, James J.; Ramos, Gabriel Lauffer (2023) [Artigo de periódico]
      We present the photometric data from TESS for two known ZZ Ceti stars, PG 1541 + 651 and BPM 31594. Before TESS, both objects only had observations from short runs from ground-based facilities, with three and one period ...

    • BASS. XXII : the BASS DR2 AGN catalog and data 

      Koss, Michael; Riffel, Rogério; Williams, Jonathan (2022) [Artigo de periódico]
      We present the active galactic nucleus (AGN) catalog and optical spectroscopy for the second data release of the Swift BAT AGN Spectroscopic Survey (BASS DR2). With this DR2 release we provide 1449 optical spectra, of which ...

    • Brown dwarf census with the Dark Energy Survey year 3 data and thethin disc scale height of early L types 

      Carnero Rosell, Aurelio; Santiago, Basilio Xavier; DES Collaboration (2019) [Artigo de periódico]
      In this paper we present a catalogue of 11 745 brown dwarfs with spectral types rangingfrom L0 to T9, photometrically classified using data from the Dark Energy Survey (DES)year 3 release matched to the Vista Hemisphere ...

    • A catalogue of structural and morphological measurements for DES Y1 

      Tarsitano, Federica; Santiago, Basilio Xavier; DES Collaboration (2018) [Artigo de periódico]
      We present a structural and morphological catalogue for 45 million objects selected from the first year data of the Dark Energy Survey (DES). Single S´ersic fits and non-parametric measurements are produced for g, r, and ...

    • Dark Energy Survey Year 1 results : redshift distributions of the weak-lensing source galaxies 

      Hoyle, Ben; Santiago, Basilio Xavier; DES Collaboration (2018) [Artigo de periódico]
      We describe the derivation and validation of redshift distribution estimates and their uncertainties for the populations of galaxies used as weak-lensing sources in the Dark Energy Survey (DES) Year 1 cosmological analyses. ...

    • Data release 2 of S-PLUS : accurate template-fitting based photometry covering ∼1000 deg2 in 12 optical filters 

      Fernandes, Felipe de Almeida; Bonatto, Charles Jose; Chies-Santos, Ana Leonor; Hartmann, Eduardo Albuquerque; Oliveira, Claudia Lucia Mendes de (2022) [Artigo de periódico]
      The Southern Photometric Local Universe Survey (S-PLUS) is an ongoing survey of ∼9300 deg2 in the southern sky in a 12-band photometric system. This paper presents the second data release (DR2) of S-PLUS, consisting of 514 ...

    • DES13S2cmm : the first superluminous supernova from the Dark Energy Survey 

      Papadopoulos, Andreas; D'Andrea, Christopher B.; Sullivan, Mark; Nichol, Robert C.; Barbary, Kyle; Biswas, Rahul; Brown, Peter J.; Covarrubias, Ricardo A.; Finley, David A.; Fischer, John A.; Foley, Ryan Joseph; Goldstein, Daniel Abraham; Gupta, Ravi R.; Kessler, Richard S.; Kovacs, Eve Veronika; Kuhlmann, Stephen Eugene; Lidman, Chris; March, Marisa Cristina; Nugent, Peter Edward; Sako, Masao; Smith, Robert Christopher; Spinka, Harold M.; Wester, William Carl; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Banerji, M.; Bernstein, Joseph P.; Bernstein, Rebecca A.; Carnero Rosell, Aurelio; Costa, Luiz N. da; DePoy, Darren L.; Desai, S.; Diehl, H. Thomas; Eifler, Tim; Evrard, August E.; Flaugher, Brenna; Frieman, Joshua A.; Gerdes, David W.; Gruen, Daniel; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Maia, Marcio Antonio Geimba; Makler, Martín; Marshall, Jennifer L.; Merritt, K. Wyatt; Miller, Christopher J.; Miquel, Ramon; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Roe, Natalie A.; Romer, Anita K.; Rykoff, Eli; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Schubnell, Michael; Sevilla Noarbe, Ignacio; Soares-Santos, Marcelle; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Tucker, Douglas L.; Wechsler, Risa H.; Zuntz, J. (2015) [Artigo de periódico]
      We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES).We briefly discuss the data and search algorithm used to find this event in the first year of ...

    • Discovery of 74 new bright ZZ Ceti stars in the first three years of TESS 

      Romero, Alejandra Daniela; Kepler, Souza Oliveira; Hermes, James J.; Amaral, Larissa Antunes; Uzundag, Murat; Bognár, Zsófia; Bell, Keaton; Vanwyngarden, Madison; Baran, Andy; Pelisoli, Ingrid Domingos; Rosa, Gabriela Oliveira da; Koester, Detlev; Klippel, Theylor Schumacher; Fraga, Luciano; Bradley, Paul A.; Vuckovic, Maja; Heintz, Tyler M.; Reding, Joshua S.; Kaiser, B. C.; Charpinet, Stéphane (2022) [Artigo de periódico]
      We report the discovery of 74 new pulsating DA white dwarf stars, or ZZ Cetis, from the data obtained by the Transiting Exoplanet Survey Satellite mission, from Sectors 1 to 39, corresponding to the first 3 cycles. This ...

    • Galaxy clustering, photometric redshifts and diagnosis of systematics in the DES Science Verification data 

      Crocce, Martin; Carretero Palacios, Jorge; Bauer, Anne Hollister; Ross, A.J.; Sevilla Noarbe, Ignacio; Giannantonio,Tommaso; Sobreira, Flávia; Sanchez Lopez, Francisco Javier; Gaztañaga, Enrique; Carrasco Kind, Matías; Sánchez Alonso, Carles; Bonnett, Christopher; Benoit-Lévy, Aurélien; Brunner, Robert J.; Carnero Rosell, Aurelio; Cawthon, Ross; Fosalba Vela, Pablo; Hartley, William; Kim, Edward J.; Leistedt, Boris; Miquel, Ramon; Peiris, Hiranya V.; Percival, Will J.; Rosenfeld, Rogerio; Rykoff, Eli; Sanchez-Alvaro, Eusebio; Abbott, Timothy M. C.; Abdalla, Filipe B.; Allam, Sahar S.; Banerji, M.; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, Elizabeth; Burke, David Lyle; Capozzi, Diego; Castander Serentill, Francisco Javier; Cunha, Carlos Eduardo; D'Andrea, Christopher B.; Costa, Luiz N. da; Desai, S.; Diehl, H. Thomas; Eifler, Tim; Evrard, August E.; Fausti Neto, Angelo; Fernandez, Enrique; Finley, David A.; Flaugher, Brenna; Frieman, Joshua A.; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Kuehn, Kyler; Kuropatkin, Nikolay P.; Lahav, Ofer; Li, T. S.; Lima, Marcos Vinicius Borges Teixeira; Maia, Marcio Antonio Geimba; March, Marisa Cristina; Marshall, Jennifer L.; Martini, Paul; Melchior, Peter M.; Miller, Christopher J.; Neilsen, Eric H.; Nichol, Robert C.; Nord, Brian Dennis; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Romer, Anita K.; Sako, Masao; Santiago, Basilio Xavier; Schubnell, Michael; Smith, Robert Christopher; Soares-Santos, Marcelle; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Thaler, Jon J.; Thomas, D.; Vikram, Vinu; Walker, Alistair; Wechsler, Risa H.; Weller, Jochen; Zuntz, J.; DES Collaboration (2016) [Artigo de periódico]
      We study the clustering of galaxies detected at i < 22.5 in the Science Verification observations of the Dark Energy Survey (DES). Two-point correlation functions are measured using 2.3×106 galaxies over a contiguous 116 ...

    • HI-MaNGA : tracing the physics of the neutral and ionized ISM with the second data release 

      Stark, David V.; Riffel, Rogério; Wolthuis, Nathan (2021) [Artigo de periódico]
      We present the second data release for the H I-MaNGA programme of H I follow-up observations for the SDSS-IV MaNGA survey. This release contains measurements for 3669 unique galaxies, combining 2108 Green Bank Telescope ...

    • J-PLUS: a wide-field multi-band study of the M 15 globular cluster : evidence of multiple stellar populations in the RGB 

      Bonatto, Charles Jose; Chies-Santos, Ana Leonor; Schoenell, William (2019) [Artigo de periódico]
      Context. As a consequence of internal and external dynamical processes, Galactic globular clusters (GCs) have properties that vary radially. Wide-field observations covering the entire projected area of GCs out to their ...

    • J-PLUS : on the identification of new cluster members in the double galaxy cluster A2589 and A2593 using PDFs 

      Molino, Alberto; Chies-Santos, Ana Leonor; Dupke, Renato de Alencar (2019) [Artigo de periódico]
      Aims. We aim to use multiband imaging from the Phase-3 Verification Data of the J-PLUS survey to derive accurate photometric redshifts (photo-z) and look for potential new members in the surroundings of the nearby galaxy ...

    • J-PLUS : the Javalambre Photometric Local Universe Survey 

      Cenarro, Andres Javier; Bonatto, Charles Jose; Chies-Santos, Ana Leonor; Vilchez, Jose M. (2019) [Artigo de periódico]
      The Javalambre Photometric Local Universe Survey (J-PLUS ) is an ongoing 12-band photometric optical survey, observing thousands of square degrees of the Northern Hemisphere from the dedicated JAST/T80 telescope at the ...

    • Massive open star clusters using the VVV survey : II. Discovery of six clusters with Wolf-Rayet stars 

      Chené, André-Nicolas; Bonatto, Charles Jose; Majaess, Daniel J.; Baume, Gustavo Luis; Clarke, J. R. A.; Kurtev, Radostin Georgiev; Schnurr, Olivier; Bouret, Jean-Claude; Catelan, Márcio; Emerson, Jim P.; Feinstein Baigorri, Carlos; Geisler, Doug; Grijs, Richard de; Hervé, Anthony; Ivanov, Valentin D.; Kumar, M. S. N.; Lucas, Philip W.; Mahy, Laurent; Martins, Fabrice; Mauro, Francesco; Minniti, Dante; Moni Bidin, Christian (2013) [Artigo de periódico]
      Context. The ESO Public Survey “VISTA Variables in the Vía Láctea” (VVV) provides deep multi-epoch infrared observations for an unprecedented 562 sq. degrees of the Galactic bulge, and adjacent regions of the disk. Nearly ...

    • Massive open star clusters using the VVV survey : I. Presentation of the data and description of the approach 

      Chené, André-Nicolas; Borissova, Jura; Clarke, J. R. A.; Bonatto, Charles Jose; Majaess, Daniel J.; Moni Bidin, Christian; Sale, Stuart E.; Mauro, Francesco; Kurtev, Radostin Georgiev; Baume, Gustavo Luis; Feinstein Baigorri, Carlos; Ivanov, Valentin D.; Geisler, Doug; Catelan, Márcio; Minniti, Dante; Lucas, Philip W.; Grijs, Richard de; Kumar, M. S. N. (2012) [Artigo de periódico]
      Context. The ESO Public Survey “VISTA Variables in the Vía Láctea” (VVV) provides deep multi-epoch infrared observations for unprecedented 562 sq. degrees of the Galactic bulge, and adjacent regions of the disk. Aims. The ...

    • Massive open star clusters using the VVV survey : IV. WR62-2, a new very massive star in the core of the VVVCL041 cluster 

      Chené, André-Nicolas; Ramírez Alegría, Sebastián; Borissova, Jura; O'Leary, E.; Martins, Fabrice; Hervé, Anthony; Kuhn, M. A.; Kurtev, Radostin Georgiev; Amigo, Pia; Bonatto, Charles Jose; Minniti, Dante (2015) [Artigo de periódico]
      Context. The ESO Public Survey VISTA Variables in the Vía Láctea (VVV) provides deep multi-epoch infrared observations for an unprecedented 562 sq. deg of the Galactic bulge and adjacent regions of the disk. Nearly 150 new ...

    • Modeling the transfer function for the Dark Energy Survey 

      Chang, Chihway; Busha, M. T.; Wechsler, Risa H.; Refregier, Alexandre; Amara, Adam; Rykoff, Eli; Becker, Matthew R.; Bruderer, Claudio; Gamper, L.; Leistedt, Boris; Peiris, Hiranya V.; Abbott, Timothy M. C.; Abdalla, Filipe B.; Balbinot, Eduardo; Banerji, M.; Bernstein, Rebecca A.; Bertin, Emmanuel; Brooks, D.; Carnero Rosell, Aurelio; Desai, S.; Costa, Luiz N. da; Cunha, Carlos Eduardo; Eifler, Tim; Evrard, August E.; Fausti Neto, Angelo; Gerdes, David W.; Gruen, Daniel; James, David J.; Kuehn, Kyler; Maia, Marcio Antonio Geimba; Makler, Martín; Ogando, Ricardo L.C.; Plazas Malagón, Andrés Alejandro; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Schubnell, Michael; Sevilla Noarbe, Ignacio; Smith, Robert Christopher; Soares-Santos, Marcelle; Suchyta, Eric; Swanson, Molly E. C.; Tarle, Gregory; Zuntz, J. (2015) [Artigo de periódico]
      We present a forward-modeling simulation framework designed to model the data products from the Dark Energy Survey (DES). This forward-model process can be thought of as a transfer function—amapping from cosmological/ ...

    • OzDES multi-object fibre spectroscopy for the Dark Energy Survey : results and second data release 

      Lidman, Chris; Santiago, Basilio Xavier; DES Collaboration (2020) [Artigo de periódico]
      We present a description of the Australian Dark Energy Survey (OzDES) and summarize the results from its 6 years of operations. Using the 2dF fibre positioner and AAOmega spectrograph on the 3.9-m Anglo-Australian Telescope, ...

    • Photometric redshifts and clustering of emission line galaxies selected jointly by DES and eBOSS 

      Jouvel, Stéphanie; Delubac, Timothée; Comparat, Johan; Camacho Chavez, Hugo Orlando; Carnero Rosell, Aurelio; Abdalla, Filipe B.; Kneib, J.P.; Merson, Alexander I.; Lima, Marcos Vinicius Borges Teixeira; Sobreira, Flávia; Costa, Luiz N. da; Prada, F.; Zhu, Guangtun; Benoit-Lévy, Aurélien; Macorra, Axel de la; Kuropatkin, Nikolay P.; Lin, H.; Abbott, Timothy M. C.; Allam, Sahar S.; Banerji, M.; Bertin, Emmanuel; Brooks, D.; Capozzi, Diego; Carrasco Kind, Matías; Carretero Palacios, Jorge; Castander Serentill, Francisco Javier; Cunha, Carlos Eduardo; Desai, S.; Doel, Peter; Eifler, Tim; Estrada, Juan; Fausti Neto, Angelo; Flaugher, Brenna; Fosalba Vela, Pablo; Frieman, Joshua A.; Gaztañaga, Enrique; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Gutierrez, Gaston R.; Honscheid, K.; James, David J.; Honscheid, K.; James, David J.; Kuehn, Kyler; Lahav, Ofer; Li, T. S.; Maia, Marcio Antonio Geimba; March, Marisa Cristina; Marshall, Jennifer L.; Miquel, Ramon; Ogando, Ricardo L.C.; Percival, Will J.; Plazas Malagón, Andrés Alejandro; Reil, Kevin; Romer, Anita K.; Roodman, Aaron; Rykoff, Eli; Sako, Masao; Sanchez-Alvaro, Eusebio; Santiago, Basilio Xavier; Scarpine, Victor Emanuel; Sevilla Noarbe, Ignacio; Soares-Santos, Marcelle; Suchyta, Eric; Tarle, Gregory; Thaler, Jon J.; Thomas, D.; Walker, Alistair; Zhang, Yuanyuan; Brownstein, Joel R. (2017) [Artigo de periódico]
      We present the results of the first observations of the emission line galaxies (ELG) of the extended Baryon Oscillation Spectroscopic Survey. From the total 9000 targets, 4600 have been selected from the Dark Energy Survey ...