3 papers
astro-ph2001
Time is Life
Domingos S. L. Soares
The affirmative statement of the existence of extraterrestrial life is tentatively raised to the status of a principle. Accordingly, Fermi's question is answered and the anthropic…
astro-ph1999
BVRI-Halpha surface photometry of peculiar ring galaxies. I. HRG 2302
M. L. M. Myrrha, L. P. R. Vaz, M. Faúndez-Abans +2
Detailed BVRI-Halpha photometry has been obtained for the ring galaxy HRG 2302. This is probably a still interacting system which shows two principal components: the target, which…
astro-ph1994
Southern Binary Galaxies. I. a Sample of Isolated Pairs
D. S. L. Soares, R. E. de Souza, R. R. de Carvalho +1
A catalogue of binary galaxies with 621 pairs has been determined by applying a surface density enhancement procedure to {\it The Surface Photometry Catalogue of the ESO-Uppsala Ga…