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19942026
most citedSpectral Energy Distributions of Hard X-ray selected AGNs in the XMDS Survey

877 citations · 7.2k across the 375 of their papers we have counts for

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Showing 1997Show all

5 papers · 1 filter

astro-ph1997

What is the primary source of the morphological segregation?

S. Andreon

In Coma and two other clusters of galaxies the primary morphological segregation is the one with respect to a privileged direction. Only when this segregation is not considered it…

astro-ph1997

The CRONA (Caltech-Roma-Napoli) project

S. Andreon, S. Zaggia, R. de Carvalho +4

The CRONA project is a joint enterprise between Caltech and the astronomical observatory of Rome and Naples aimed to the photometric calibration of the Second Palomar Sky Survey (P…

astro-ph1997

An optical and near-IR survey of nearby clusters of galaxies

S. Andreon, J. Annis, J. -C. Cuillandre +6

We present an optical and near-infrared survey of galaxies in nearby clusters aimed at determining fundamental quantities of galaxies, such as multivariate luminosity function and…

astro-ph1997★ 18 cited

Morphological classification and structural parameter of galaxies in the Coma and Perseus clusters

S. Andreon, E. Davoust, P. Poulain

We present the results of an isophotal shape analysis of galaxies in the Coma and Perseus clusters. These data, together with those of two previous papers, provide two complete sam…

astro-ph1997★ 8 cited

Two-Color Surface Photometry of Brightest Cluster Members

Bianca Garilli, Giorgio Sangalli, Stefano Andreon +3

The Gunn g, r and i CCD images of a representative sample of 17 Brightest Cluster Galaxies (BCM) have been analyzed in order to derive surface brightness and color profiles, togeth…