Globular cluster candidates in ACS Virgo survey. Virtual Observatory Resource

Authors
  1. Jordan A.
  2. Peng E.W.
  3. Blakeslee J.P.
  4. Cote P.
  5. Eyheramendy S.,Ferrarese L.
  6. Mei S.
  7. Tonry J.L.
  8. West M.J.
  9. Published by
    CDS
Abstract

We present catalogs of globular cluster candidates for the 100 galaxies of the Advanced Camera for Surveys Virgo Cluster Survey, a large program to carry out imaging of early-type members of the Virgo Cluster using the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope. We describe the procedure used to select bona fide globular cluster candidates out of the full list of detections based on model-based clustering methods with the use of expected contamination catalogs constructed using blank field observations and which are customized for each galaxy. We also present the catalogs of expected contaminants for each of our target galaxies. For each detected source we measure its position, magnitudes in the F475W (~Sloan g) and F850LP (~Sloan z) bandpasses, and half-light radii by fitting point-spread function convolved King models to the observed light distribution. These measurements are presented for 20375 sources, of which 12763 are likely to be globular clusters. Finally, we detail the calculation of the aperture corrections adopted for the globular cluster photometry.

Keywords
  1. galaxy-clusters
  2. hst-photometry
  3. globular-star-clusters
Bibliographic source Bibcode
2009ApJS..180...54J
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/180/54
IVOA Identifier IVOID
ivo://CDS.VizieR/J/ApJS/180/54
Document Object Identifer DOI
doi:10.26093/cds/vizier.21800054

Access

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History

2009-11-15T22:06:27Z
Resource record created
2009-11-15T22:06:27Z
Created
2013-07-15T09:21:02Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr