The Puzzling Properties of the MACS1149-JD1 Galaxy at z = 9.11

The Puzzling Properties of the MACS1149-JD1 Galaxy at z = 9.11

We analyze new JWST NIRCam and NIRSpec data on the redshift 9.11 galaxy MACS1149-JD1 (hereafter JD1). Our NIRCam imaging data reveal that JD1 comprises three spatially distinct components. Our spectroscopic data indicate that JD1 appears dust free but is already enriched, $12+\mathrm{log}({\rm{O}}/{...

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Bibliographic Details
Main Authors: Massimo Stiavelli, Takahiro Morishita, Marco Chiaberge, Claudio Grillo, Nicha Leethochawalit, Piero Rosati, Stefan Schuldt, Michele Trenti, Tommaso Treu
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal Letters
Subjects:
High-redshift galaxies
Online Access:https://doi.org/10.3847/2041-8213/ad0159

Internet

https://doi.org/10.3847/2041-8213/ad0159

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