A survey of H II galaxies to detect H I companion objects

Details A survey of H II galaxies to detect H I companion objects A survey of H II galaxies to detect H I companion objects

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....105..128t&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 105, no. 1, p. 128-141.

Astronomy and Astrophysics

Astronomy

73

Galactic Mass, H Ii Regions, Interacting Galaxies, Sky Surveys (Astronomy), Galactic Evolution, Neutral Gases, Quasars

Scientific paper

Results are presented from a nine-galaxy sample survey of H II galaxies for neutral hydrogen companion objects; nearby H I companions are detected for four. The probability of an H II galaxy having a companion is at least 0.17. This detection of companions around apparently isolated H II galaxies supports the hypothesis that galaxies experiencing a burst of star formation are good places to search for small, H I-rich companions which span the same mass and column density ranges as the population of Lyman-alpha absorbers seen in QSO spectra, constituting a low-z analog to that population.

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