The interacting galaxy system NGC 646.
Abstract
Summary. Direct photography and spectroscopy of the spiral system NGC 646 demonstrate that it can be easily interpreted as the result of a gravitational tidal interaction between two galaxies. Key words: photography - spectroscopy - interacting galaxies - gravitational
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- August 1974
- Bibcode:
- 1974A&A....34..301D