2 papers
astro-ph2008
Activity induced by Gravitational Interaction in Galaxy Pairs
D. Dultzin, J. J. Gonzalez, Y. Krongold +6
A systematic study of the nuclear emission of a sample of 97 spirals in isolated galaxy pairs with mixed morphology (E+S) shows that: 1) AGN activity is found in 40% of the spiral…
astro-ph1995
Spectroscopic Gradients in Elliptical Galaxies
J. Jesus Gonzalez, Javier Gorgas
Preliminary results based on a large compilation of line-strength profiles are presented and discussed. Elliptical galaxies (Es) with strong central Mg show steeper line-streng…