Abstract
view Abstract Citations (10) References (16) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Neutral hydrogen absorption in early spiral galaxies. Mirabel, I. F. Abstract Neutral hydrogen spectra at 21 cm wavelength of the early spiral galaxies NGC 984, NGC 5318, NGC 2911, and Mrk 331 are reported. Absorption features were detected in these four galaxies. The velocity gradients and total column densities of the absorptions suggest that they arise in clouds that are located in the central parts or in the warped disks of the galaxies. For the sample of 10 galaxies with known emission-absorption profiles, there is a weak statistical preponderance of infall over outflow of H I toward galactic nuclei. Publication: The Astrophysical Journal Pub Date: July 1983 DOI: 10.1086/184065 Bibcode: 1983ApJ...270L..35M Keywords: Absorption Spectra; Galactic Nuclei; Hydrogen Clouds; Neutral Gases; Spiral Galaxies; Interstellar Matter; Mass Flow; Radio Galaxies; Astrophysics full text sources ADS | data products NED (5) SIMBAD (4)
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