A photometric catalogue of the Coma cluster core

Details A photometric catalogue of the Coma cluster core A photometric catalogue of the Coma cluster core

1996-08-23

arxiv.org/abs/astro-ph/9608150v1

Astronomy and Astrophysics

Astrophysics

Accepted on August 2 for publication in A&AS, 6 pages, latex and postscript figures

Scientific paper

10.1051/aas:1997143

We have obtained a mosaic of CCD images of the Coma cluster in the V-band covering a region of approximately 0.4 degrees$^2$ around both central cluster galaxies NGC 4889 and NGC 4874. An additional frame of $\sim$ 90 arcmin$^2$ was taken of the south-west region around NGC 4839. We derived a catalogue of 7023 galaxies and 4096 stars containing positions, central surface brightnesses and isophotal V$_{26.5}$ magnitudes. We estimate that data is complete up to V $_{26.5}\sim$ 22.5 and the surface brightness limiting detection value is $\mu$ $\sim$ 24 mag/arcsec$^2$. In this paper we present the catalogue (available in electronic form alone), along with a detailed description of the steps concerning the data reduction and quality of the computed parameters.

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