RELICS: Properties of z>5.5 Galaxies Inferred from Spitzer and Hubble Imaging Including A Candidate z~6.8 Strong [OIII] Emitter

Victoria Strait, Marusa Bradac, Dan Coe, Brian C. Lemaux, Adam Carnall, Larry Bradley, Debora Pelliccia, Keren Sharon, Adi Zitrin, Ana Acebron, Chloe Neufeld, Felipe Andrade-Santos, Roberto J. Avila, Brenda L. Frye, Guillaume Mahler, Mario Nonino, Sara Ogaz, Masamune Oguri, Masami Ouchi, Rachel Paterno-MahlerDaniel P. Stark, Ramesh Mainali, Pascal A. Oesch, Michele Trenti, Daniela Carrasco, William A. Dawson, Christine Jones, Keiichi Umetsu, Benedetta Vulcani

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Abstract

We present constraints on the physical properties (including stellar mass, age, and star formation rate) of 207 $6\lesssim z \lesssim8$ galaxy candidates from the Reionization Lensing Cluster Survey (RELICS) and companion Spitzer-RELICS surveys. We measure photometry using T-PHOT and perform spectral energy distribution fitting using EA$z$Y and BAGPIPES. Of the 207 candidates for which we could successfully measure Spitzer fluxes, 23 were demoted to likely low redshift ($z
Original languageEnglish GB
Number of pages20
JournalAstrophysical Journal
Volume910
Issue number2
StatePublished - 2020

Keywords

  • Astrophysics - Astrophysics of Galaxies

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