In the (logR_e_, μ_e_) plane defined by the logarithm of the effective radius and the effective surface brightness, elliptical galaxies that are members of Hickson's compact groups turn out to belong to the bright family, thus suggesting that most of them have likely experiences subtantial secondary evolution.
Astronomy and Astrophysics
- Pub Date:
- June 1994
- GALAXIES: ELLIPTICAL AND LENTICULAR;
- GALAXIES: FUNDAMENTAL PARAMETERS;
- GALAXIES: PHOTOMETRY