Daniel Gerbal
Centre national de la recherche scientifique
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Publication
Featured researches published by Daniel Gerbal.
Archive | 1997
F. Durret; Paul Felenbok; Daniel Gerbal; J. Guibert; Gastao Lima-Neto; C. Lobo; Vincent Pislar; Eric Slezak
We obtained a catalogue of 4232 galaxies in the rich cD cluster of galaxies A 85 (z=0.0556) by scanning a bJ Schmidt plate with the MAMA measuring machine in a region of ±1° ; magnitudes were recalibrated with six CCD fields in V and R. We also obtained 421 redshifts, which added to the 150 in the literature[2,6] gave a catalogue of 551 galaxies.
Astrophysics and Space Science | 2001
I. Márquez; Gastao Bierrenbach Lima Neto; H. V. Capelato; F. Durret; Daniel Gerbal; Barbara Lanzoni
We show from theoretical calculations that elliptical galaxies obey two laws: 1) Their specific entropy is quasi-constant and 2) A scaling relation exists between potential energy and mass.
Archive | 1997
Gastão B. Lima Neto; Daniel Gerbal; Isabel Márquez; Huub Verhagen
We present a new parametrization of elliptical galaxies based on the specific entropy. An application is presented using galaxies of the Coma cluster.
Archive | 2000
Florence Durret; Daniel Gerbal
Archive | 2000
Florence Durret; Daniel Gerbal
Archive | 2000
Gastao Bierrenbach Lima Neto; H. V. Capelato; Florence Durret; Daniel Gerbal; I. Márquez
Archive | 2000
F. Magnard; Gary A. Mamon; Florence Durret; Daniel Gerbal
Archive | 2000
Daniel Gerbal; Gastao Bierrenbach Lima Neto
Archive | 2000
Daniel Gerbal; H. V. Capelato; Florence Durret; Gastao Bierrenbach Lima Neto; I. Márquez
Archive | 2000
Ricardo Demarco; Florence Durret; F. Magnard; Daniel Gerbal
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