Discovery and Spectroscopic Confirmation of Aquarius III: A Low-mass Milky Way Satellite Galaxy

Discovery and Spectroscopic Confirmation of Aquarius III: A Low-mass Milky Way Satellite Galaxy

We present the discovery of Aquarius III, an ultra-faint Milky Way satellite galaxy identified in the second data release of the DECam Local Volume Exploration survey. Based on deeper follow-up imaging with DECam, we find that Aquarius III is a low-luminosity ( ${M}_{V}=-{2.5}_{-0.5}^{+0.3};$ ${L}_{...

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Main Authors: W. Cerny, A. Chiti, M. Geha, B. Mutlu-Pakdil, A. Drlica-Wagner, C. Y. Tan, M. Adamów, A. B. Pace, J. D. Simon, D. J. Sand, A. P. Ji, T. S. Li, A. K. Vivas, E. F. Bell, J. L. Carlin, J. A. Carballo-Bello, A. Chaturvedi, Y. Choi, A. Doliva-Dolinsky, O. Y. Gnedin, G. Limberg, C. E. Martínez-Vázquez, S. Mau, G. E. Medina, M. Navabi, N. E. D. Noël, V. M. Placco, A. H. Riley, I. U. Roederer, G. S. Stringfellow, C. R. Bom, P. S. Ferguson, D. J. James, D. Martínez-Delgado, P. Massana, D. L. Nidever, J. D. Sakowska, L. Santana-Silva, N. F. Sherman, E. J. Tollerud, DELVE Collaboration
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Dwarf galaxies
Milky Way Galaxy
Local Group
Online Access:https://doi.org/10.3847/1538-4357/ad8eba
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https://doi.org/10.3847/1538-4357/ad8eba

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