Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978msngr..13...11p&link_type=abstract
ESO Messenger, June 1978, p. 11, 12.
Astronomy and Astrophysics
Astronomy
2
Astronomical Photography, Galaxies, Interacting Galaxies, Intergalactic Media, Galactic Evolution, H Ii Regions
Scientific paper
Photographic plates of the pair of interacting galaxies of which NGC 5291 is a component are discussed. It is found that the extragalactic material associated with this pair is greatly extended and quite unusual in appearance, with most of the light apparently originating in small nonstellar knots. An unfiltered plate and a red plate are examined which confirm the knotted structure of the extragalactic material and show that this material is clearly bluer than the galaxies in the field. These observations are interpreted in terms of 'extragalactic H II regions'.
Gammelgaard Peter
Laustsen Svend
Pedersen Holger
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