The WARPS Survey: VI. Galaxy Cluster and Source Identifications from Phase I

Details The WARPS Survey: VI. Galaxy Cluster and Source Identifications from Phase I The WARPS Survey: VI. Galaxy Cluster and Source Identifications from Phase I

2001-12-07

arxiv.org/abs/astro-ph/0112190v3

Astronomy and Astrophysics

Astrophysics

v3 reflects minor updates to tables 2 and 3

Scientific paper

10.1086/339685

We present in catalog form the optical identifications for objects from the first phase of the Wide Angle ROSAT Pointed Survey (WARPS). WARPS is a serendipitous survey of relatively deep, pointed ROSAT observations for clusters of galaxies. The X-ray source detection algorithm used by WARPS is Voronoi Tessellation and Percolation (VTP), a technique which is equally sensitive to point sources and extended sources of low surface brightness. WARPS-I is based on the central regions of 86 ROSAT PSPC fields, covering an area of 16.2 square degrees. We describe here the X-ray source screening and optical identification process for WARPS-I, which yielded 34 clusters at 0.06

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