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09 February 2025
 
  » arxiv » astro-ph/0112190

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The WARPS Survey: VI. Galaxy Cluster and Source Identifications from Phase I
E. S. Perlman ; D.J. Horner ; L. R. Jones ; C. A. Scharf ; H. Ebeling ; G. Wegner ; M. Malkan ;
Date 7 Dec 2001
Subject astro-ph
AffiliationUniversity of Maryland, Baltimore County), D.J. Horner (University of Maryland, College Park), L. R. Jones (University of Birmingham), C. A. Scharf (Columbia University), H. Ebeling (University of Hawaii), G. Wegner (Dartmouth University), M. Malkan (U
AbstractWe 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
Source arXiv, astro-ph/0112190
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