X-ray and optical analysis of Abell 85.

Details X-ray and optical analysis of Abell 85. X-ray and optical analysis of Abell 85.

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apl%26c..36..211l&link_type=abstract

Astrophysical Letters and Communications, Vol. 36, Nos. 1 - 6, p. 211 - 214

Astronomy and Astrophysics

Astrophysics

Clusters Of Galaxies: X-Ray Structure, Clusters Of Galaxies: Galaxy Population, Galaxies: Luminosity Function

Scientific paper

The authors present preliminary results from a detailed study of the rich cluster of galaxies Abell 85. A wavelet analysis of the ROSAT X-ray image clearly shows a regular main body with a second fainter component to the south. The authors have obtained an optical catalogue of 1040 galaxies by scanning a Schmidt plate. Its wavelet transform confirms the roughly regular aspect of the central part of the cluster, with a density enhancement coinciding with the southern X-ray emission. The luminosity function for the central region of the cluster, constructed from 59 galaxies brighter than V = 19.25, can be fitted by a Schechter function of index α = -1.5±0.2 or by a combination of either a Gauss or an Erlang function with a Schechter function.

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