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The molecular content of interacting and isolated galaxies The effect of environment on the efficiency of star formationMolecular gas observations of merging/interacting and isolated galaxies are presented in order to study the relationship between environment and the efficiency of star formation. The two galaxy samples differ primarily in their IR properties and are quite similar in their molecular gas contents. The ratios of IR luminosity to H2 mass have a mean value of 78 and 12 solar luminosity/solar mass for interacting and isolated galaxies, respectively. The highest star formation efficiencies (SFEs) appear to occur in the merging and interacting pairs. The SFE in merging/interacting galaxies is greater than that found in the spiral arms of M51 and may be roughly proportional to the rate of cloud-cloud collisions in the interacting systems.
Document ID
19870039573
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/184790
Authors
Young, Judith S. (Massachusetts Univ. Amherst, MA, United States)
Kenney, Jeffrey D. (Massachusetts Univ. Amherst, MA, United States)
Tacconi, Linda (Massachusetts Univ. Amherst, MA, United States)
Claussen, M. J. (Massachusetts Univ. Amherst, MA, United States)
Huang, Y.-L. (Massachusetts, University; Five College Radio Astronomy Observatory, Amherst, United States)
Date Acquired
August 13, 2013
Publication Date
December 1, 1986
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters to the Editor
Volume: 311
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
87A26847
Distribution Limits
Public
Copyright
Other

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