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Astrophysics and Space Science

, Volume 66, Issue 2, pp 503–504 | Cite as

Tides and Arp's hypothesis about distribution of Hii regions

  • Teresa Grabińska
  • Mirosław Zabierowski
Letter to the Editor

Abstract

We discuss Arp's hypothesis that the HII regions are more numerous and more conspicuous on the side of a galaxy facing its companion. Arp's hypothesis seems not to be true if we add to Hodge's sets of galaxies only the most probably tidally-interacting cases.

References

  1. Arp, H. C.: 1973,Astrophys. J. 183, 411.Google Scholar
  2. Hodge, P. W.: 1975,Astrophys. J. 202, 619.Google Scholar
  3. Toomre, A., and Toomre, J.: 1972,Astrophys. J. 178, 623.Google Scholar
  4. Vorontsov-Velyaminov, B. A.: 1977,Astron. Astrophys. Suppl. 28, 1.Google Scholar

Copyright information

© D. Reidel Publishing Co. 1979

Authors and Affiliations

  • Teresa Grabińska
    • 1
  • Mirosław Zabierowski
    • 1
  1. 1.Technical UniversityWroclawPoland

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