The Cosmic Telescope That Lenses the Sunburst Arc, PSZ1 G311.65–18.48: Strong Gravitational Lensing Model and Source Plane Analysis

The Cosmic Telescope That Lenses the Sunburst Arc, PSZ1 G311.65–18.48: Strong Gravitational Lensing Model and Source Plane Analysis

We present a strong-lensing analysis of the cluster PSZ1 G311.65−18.48, based on Hubble Space Telescope imaging, archival VLT/MUSE spectroscopy, and Chandra X-ray data. This cool-core cluster ( z = 0.443) lenses the brightest lensed galaxy known, dubbed the “Sunburst Arc” ( z = 2.3703), a Lyman cont...

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Veröffentlicht in:The Astrophysical journal 2022-12, Vol.941 (2), p.203
Hauptverfasser: Sharon, Keren, Mahler, Guillaume, Rivera-Thorsen, T. Emil, Dahle, Håkon, Gladders, Michael D., Bayliss, Matthew B., Florian, Michael K., Kim, Keunho J., Khullar, Gourav, Mainali, Ramesh, Napier, Kate A., Navarre, Alexander, Rigby, Jane R., Remolina González, Juan David, Sharma, Soniya
Format: Artikel
Sprache:eng
Schlagworte:
Astrophysics
Clumps
Clusters
Galaxies
Gravitational lenses
Hubble Space Telescope
Image reconstruction
Radiation
Space telescopes
Spectroscopy
Star & galaxy formation
Star formation
Stars & galaxies
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Zusammenfassung:We present a strong-lensing analysis of the cluster PSZ1 G311.65−18.48, based on Hubble Space Telescope imaging, archival VLT/MUSE spectroscopy, and Chandra X-ray data. This cool-core cluster ( z = 0.443) lenses the brightest lensed galaxy known, dubbed the “Sunburst Arc” ( z = 2.3703), a Lyman continuum (LyC) emitting galaxy multiply imaged 12 times. We identify in this field 14 additional strongly lensed galaxies to constrain a strong-lens model and report secure spectroscopic redshifts of four of them. We measure a projected cluster core mass of M (
ISSN:0004-637X
1538-4357
1538-4357
DOI:10.3847/1538-4357/ac927a