Abstract
view Abstract Citations (24) References (55) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A Supershell Model for the High- and Intermediate-Velocity Neutral Hydrogen Clouds Verschuur, Gerrit L. Abstract The anomalous negative-velocity H I over the first and second quadrants of the Galactic longitude, especially in the Northern Hemisphere, has yet to be addressed by a model that successfully explains the properties of high-velocity clouds (HVCs) and intermediate-velocity cloud. Taking into account the influence of the radio continuum spur known as Loop III, parameters describing the supershell are derived through comparisons of model predictions with the latitude-velocity distributions of the HVCs in 5-deg longitude intervals. The agreement obtained between model results and Northern Hemisphere data indicates that the brightest HVCs result from column-density enhancements over a large depth in space. Publication: The Astrophysical Journal Pub Date: May 1993 DOI: 10.1086/172657 Bibcode: 1993ApJ...409..205V Keywords: Astronomical Models; Gas Expansion; H I Regions; Molecular Clouds; Neutral Gases; Kinetic Energy; Milky Way Galaxy; Solar Neighborhood; Spatial Distribution; Astrophysics; GALAXY: KINEMATICS AND DYNAMICS; ISM: CLOUDS full text sources ADS | data products SIMBAD (3)
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