Distance to the Galactic Center 7′ Halo from H I Absorption

Using archival data, we have made an H I absorption study of the 7 ${}^{{\prime} }$ halo surrounding the Sgr A complex, observed toward the Galactic center (GC) region. We find strong H I absorption near velocities of −53 km s ^−1 , which is due to the 3 kpc arm, placing it beyond 5 kpc from us. We...

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Bibliographic Details
Main Authors: Debangan Maji, Subhashis Roy
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Online Access:https://doi.org/10.3847/1538-4357/ade05d
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