H I ABSORPTION TOWARD H II REGIONS AT SMALL GALACTIC LONGITUDES
We make a comprehensive study of H I absorption toward H II regions located within |l| < 10°. Structures in the extreme inner Galaxy are traced using the longitude-velocity space distribution of this absorption. We find significant H I absorption associated with the Near and Far 3 kpc Arms, the Connecting Arm, Bania's Clump 1, and the H I Tilted Disk. We also constrain the line-of-sight distances to H II regions, by using H I absorption spectra together with the H II region velocities measured...[Show more]
|Collections||ANU Research Publications|
|Source:||The Astrophysical Journal|
|01_Jones_H_I_ABSORPTION_TOWARD_H_II_2013.pdf||861.39 kB||Adobe PDF|
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