The central Fornax Cluster. I. Galaxy photometry (Hilker+ 1999)

Details The central Fornax Cluster. I. Galaxy photometry (Hilker+ 1999) The central Fornax Cluster. I. Galaxy photometry (Hilker+ 1999)

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ycat..41340059h&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/134/59. Originally published in: 1999A&AS..134...59H

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Clusters: Galaxy, Galaxies: Photometry

Scientific paper

In this paper, a photometric catalog is presented of V and I photometry of galaxies in the central regions of the Fornax galaxy cluster. Our 11 CCD fields cover 0.17 square degrees in total. The limiting surface brightness is around 24mag/arcsec2, similar to that of Ferguson's (1989, Cat. ) catalog, whereas our limiting total magnitude is around V=22mag, about two magnitudes fainter. The photometric properties of more than 870 objects are presented as a catalog (Appendix A). The properties and fit parameters of the surface brightness profiles for a sub-sample are presented in a second catalog (Appendix B). Four new dwarf galaxies are added to Ferguson's catalog. However, we confirm that the dwarf galaxies in Fornax follow a similar surface brightness -- magnitude relation as the Local Group dwarfs. They also follow the color (metallicity) -- magnitude relation seen in other galaxy clusters. A formerly suspected excess of dwarf galaxies surrounding the central giant cD galaxy NGC 1399 can be explained by the superposition of a background cluster at z=0.11 (Hilker et al. 1998, Cat. , Paper II in this series). (2 data files).

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