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http://hdl.handle.net/20.500.12386/31074
Titolo: | RELICS: The Reionization Lensing Cluster Survey and the Brightest High-z Galaxies | Autori: | Salmon, Brett Coe, Dan Bradley, Larry Bouwens, Rychard Bradač, Marusa Huang, Kuang-Han Oesch, Pascal A. Stark, Daniel Sharon, Keren Trenti, Michele Avila, Roberto J. Ogaz, Sara Andrade-Santos, Felipe Carrasco, Daniela Cerny, Catherine Dawson, William Frye, Brenda L. Hoag, Austin Johnson, Traci Lin Jones, Christine Lam, Daniel LOVISARI, LORENZO Mainali, Ramesh Past, Matt Paterno-Mahler, Rachel Peterson, Avery Riess, Adam G. Rodney, Steven A. Ryan, Russel E. Sendra-Server, Irene Strait, Victoria Strolger, Louis-Gregory Umetsu, Keiichi Vulcani, Benedetta Zitrin, Adi |
Data pubblicazione: | 2020 | Rivista: | THE ASTROPHYSICAL JOURNAL | Numero: | 889 | Fascicolo: | 2 | Da pagina:: | 189 | Abstract: | Massive foreground galaxy clusters magnify and distort the light of objects behind them, permitting a view into both the extremely distant and intrinsically faint galaxy populations. We present here the $z\sim 6\mbox{--}8$ candidate high-redshift galaxies from the Reionization Lensing Cluster Survey (RELICS), a Hubble and Spitzer Space Telescope survey of 41 massive galaxy clusters spanning an area of ≈200 arcmin<SUP>2</SUP>. These clusters were selected to be excellent lenses, and we find similar high-redshift sample sizes and magnitude distributions as the Cluster Lensing And Supernova survey with Hubble (CLASH). We discover 257, 57, and eight candidate galaxies at z ∼ 6, 7, and 8 respectively, (322 in total). The observed (lensed) magnitudes of the z ∼ 6 candidates are as bright as AB mag ∼23, making them among the brightest known at these redshifts, comparable with discoveries from much wider, blank-field surveys. RELICS demonstrates the efficiency of using strong gravitational lenses to produce high-redshift samples in the epoch of reionization. These brightly observed galaxies are excellent targets for follow-up study with current and future observatories, including the James Webb Space Telescope. | URI: | http://hdl.handle.net/20.500.12386/31074 | URL: | https://iopscience.iop.org/article/10.3847/1538-4357/ab5a8b | ISSN: | 0004-637X | DOI: | 10.3847/1538-4357/ab5a8b | Bibcode ADS: | 2020ApJ...889..189S | Fulltext: | open |
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