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Gravo-thermal properties and formation of elliptical galaxies
I. Marquez, G. B. Lima Neto, H. Capelato +2
We have analyzed a sample of galaxies belonging to three clusters: Coma, Abell 85, and Abell 496 (real galaxies) and a sample of simulated elliptical galaxies formed in a hierarchi…
Re-observing the EUV emission from Abell 2199: in-situ measurement of background distribution by offset pointing
R. Lieu, M. Bonamente, J. P. D. Mittaz +3
The EUV excess emission from the clusters A2199 and A1795 remains an unexplained astrophysical phenomenon. There has been many unsuccessful attempts to `trivialize' the findings. I…
A Turn-over in the Galaxy Luminosity Function of the Coma Cluster Core?
C. Adami, M. P. Ulmer, F. Durret +5
Our previous study of the faint end (R21.5) of the galaxy luminosity function (GLF) was based on spectroscopic data in a small region near the Coma cluster center. In this pr…
Circumnuclear structure and kinematics in the active galaxy NGC 6951
Enrique Perez, Isabel Marquez, Ignacio Marrero +5
A study is presented of the central structure and kinematics of the galaxy NGC 6951, by means of broad band B'IJK images and high resolution high dispersion longslit spectroscopy,…
A photometric catalogue of galaxies in the cluster Abell 496
Eric Slezak, Florence Durret, Jean Guibert +1
We present two catalogues of galaxies in the direction of the rich cluster Abell 496. The first one includes 3,879 galaxies located in a region of roughly 1.3 degrees from the clus…
A catalogue of velocities in the direction of the cluster of galaxies Abell 496
Florence Durret, Paul Felenbok, Catarina Lobo +1
We present a catalogue of velocities for 466 galaxies in the direction of the cluster Abell 496, in a region covering about 160' x 160' (9.2 x 9.2 Mpc for an average redshift for A…