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The GLASS-JWST Early Release Science Program. I. Survey Design and Release Plans

2022; IOP Publishing; Volume: 935; Issue: 2 Linguagem: Inglês

10.3847/1538-4357/ac8158

1538-4357

Tommaso Treu, Guido Roberts-Borsani, Maruša Bradač, Gabriel Brammer, A. Fontana, Alaina Henry, C. Mason, Takahiro Morishita, L. Pentericci, Xin Wang, Ana Acebrón, Micaela B. Bagley, P. Bergamini, D. Belfiori, A. Bonchi, Kristan Boyett, K. Boutsia, Antonello Calabrò, G. B. Caminha, M. Castellano, Alan Dressler, Karl Glazebrook, C. Grillo, Colin Jacobs, Tucker Jones, Patrick L. Kelly, Nicha Leethochawalit, Matthew A. Malkan, Danilo Marchesini, Sara Mascia, A. Mercurio, E. Merlin, Themiya Nanayakkara, M. Nonino, D. Paris, Bianca M. Poggianti, P. Rosati, P. Santini, Claudia Scarlata, Heath Shipley, Victoria Strait, Michele Trenti, Chanita Tubthong, E. Vanzella, Benedetta Vulcani, Lilan Yang,

Gamma-ray bursts and supernovae

The GLASS James Webb Space Telescope Early Release Science (hereafter GLASS-JWST-ERS) Program will obtain and make publicly available the deepest extragalactic data of the ERS campaign. It is primarily designed to address two key science questions, namely, "what sources ionized the universe and when?" and "how do baryons cycle through galaxies?", while also enabling a broad variety of first look scientific investigations. In primary mode, it will obtain NIRISS and NIRSpec spectroscopy of galaxies lensed by the foreground Hubble Frontier Field cluster, Abell 2744. In parallel, it will use NIRCam to observe two fields that are offset from the cluster center, where lensing magnification is negligible, and which can thus be effectively considered blank fields. In order to prepare the community for access to this unprecedented data, we describe the scientific rationale, the survey design (including target selection and observational setups), and present pre-commissioning estimates of the expected sensitivity. In addition, we describe the planned public releases of high-level data products, for use by the wider astronomical community.