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HI observations of interacting groups of galaxies

Published online by Cambridge University Press:  12 April 2016

G. S. Shostak
G. S. Shostak*
Affiliation:
Kapteyn Astronomical Lab, University of Groningen The Netherlands

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Nous testons l’idée d’Arp à savoir que des groupes multiples de galaxies en intéraction sont éjectés hors de systèmes brillants proches de nous. Les observations à 21 centimètres indiquent que, si ceci est le cas, les membres du groupe en intéraction ont pour la plupart des masses HI comparables ou inférieures aux galaxies naines, bien que la largeur des raies et la morphologie de ces galaxies suggèrent des masses totales normales. D’autres conséquences de l’hypothèse d’éjection sont brièvement discutées.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 37: Décalages vers le rouge et Expansion de l’Univers , 1977 , pp. 489 - 496
Copyright
Copyright © Editions du CNRS 1977

References

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