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Reading between the (Spectral) Lines: Magellan/IMACS Spectroscopy of the Ultrafaint Dwarf Galaxies Eridanus IV and Centaurus I

We present a spectroscopic analysis of Eridanus IV (Eri IV) and Centaurus I (Cen I), two ultrafaint dwarf galaxies of the Milky Way. Using IMACS/Magellan spectroscopy, we identify 28 member stars of Eri IV and 34 member stars of Cen I. For Eri IV, we measure a systemic velocity of ${v}_{\mathrm{sys}...

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Autors principals: M. E. Heiger, T. S. Li, A. B. Pace, J. D. Simon, A. P. Ji, A. Chiti, C. R. Bom, J. A. Carballo-Bello, J. L. Carlin, W. Cerny, Y. Choi, A. Drlica-Wagner, D. J. James, C. E. Martínez-Vázquez, G. E. Medina, B. Mutlu-Pakdil, M. Navabi, N. E. D. Noël, J. D. Sakowska, G. S. Stringfellow, (DELVE Collaboration)
Format: Artigo
Idioma:Inglês
Publicat: IOP Publishing 2024-01-01
Col·lecció:The Astrophysical Journal
Matèries:
Dwarf galaxies
Local Group
Spectroscopy
Accés en línia:https://doi.org/10.3847/1538-4357/ad0cf7
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