A Deep Dive down the Broad-line Region: Permitted O I, Ca II, and Fe II Emission in an Active Galactic Nucleus Little Red Dot at z = 5.3

Journal:

The Astrophysical Journal Letters

Published:

2025-11-11

DOI:

10.3847/2041-8213/ae13a9

Affiliations:

21

Authors:

30

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Institutions	Authors	Share
University of Ljubljana, Slovenia	7.333333	0.24
INAF - Astronomical Observatory of Rome (OAR), Italy	3.333333	0.11
Saint Mary's University (SMU), Canada	3.000000	0.10
University of Cambridge, United Kingdom (UK)	2.000000	0.07
National Research Council (NRC), Canada	1.000000	0.03
University of Florence (UNIFI), Italy	1.000000	0.03
INAF - Astronomical Observatory of Arcetri, Italy	1.000000	0.03
NASA Goddard Space Flight Center (GSFC), United States of America (USA)	1.000000	0.03
Waseda University, Japan	1.000000	0.03
University of Groningen (RUG), Netherlands	1.000000	0.03
University of Florida (UF), United States of America (USA)	1.000000	0.03
Space Telescope Science Institute (STScI), United States of America (USA)	1.000000	0.03
INAF - Astronomical Observatory of Trieste (OATs), Italy	1.000000	0.03
The Ohio State University (OSU), United States of America (USA)	1.000000	0.03
Tufts University, United States of America (USA)	1.000000	0.03
Carnegie Observatories, CIS, United States of America (USA)	1.000000	0.03
York University, Canada	1.000000	0.03
Gemini Observatory Northern Operations Center, United States of America (USA)	0.500000	0.02
University of California, Davis (UC Davis), United States of America (USA)	0.500000	0.02
Institute for Fundamental Physics of the Universe (IFPU), Italy	0.333333	0.01

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