BATC photometry in A98 cluster Virtual Observatory Resource

Authors

1. Zhang L.
2. Yuan Q.-R.
3. Zhou X.
4. Jiang Z.-J.
5. Yang Y.-B.
6. Ma J.
7. Wu J.-H.,Wu Z.-Y.

Published by

CDS

Abstract

An optical photometric observation with the Beijing-Arizona-Taiwan-Connecticut (BATC) multicolor system is carried out for A98 (z=0.104), a galaxy cluster with two large enhancements in X-ray surface brightness. Spectral energy distributions (SEDs) covering 15 intermediate bands are obtained for all sources detected down to V~20mag in a field of 58'x58'. After star-galaxy separation with color-color diagrams, a photometric redshift technique is applied to the galaxy sample for further membership determination. The color-magnitude relation is taken as a further restriction of the early-type cluster galaxies. As a result, a list of 198 faint member galaxies is achieved. Based

Keywords

1. galaxy-clusters
2. galaxies
3. photometry
4. redshifted

Bibliographic source Bibcode

2010RAA....10....1Z

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