activity
20092024
most citedSPIDER VIII - Constraints on the Stellar Initial Mass Function of Early-type Galaxies from a Variety of Spectral Features

284 citations · 1.1k across the 27 of their papers we have counts for

collaborators
Showing 2010Show all

2 papers · 1 filter

astro-ph.CO2010★ 94 cited

Decision Tree Classifiers for Star/Galaxy Separation

E. C. Vasconcellos, R. R. de Carvalho, R. R. Gal +5

We study the star/galaxy classification efficiency of 13 different decision tree algorithms applied to photometric objects in the Sloan Digital Sky Survey Data Release Seven (SDSS…

astro-ph.CO2010★ 28 cited

Segregation Effects According to the Evolutionary Stage of Galaxy Groups

Andre L. B. Ribeiro, Paulo A. A. Lopes, Marina Trevisan

We study segregation phenomena in 57 groups selected from the 2PIGG catalog of galaxy groups. The sample corresponds to those systems located in areas of at least 80% redshift cove…