========================================================================== J/PASP/120/1 HST WFPC2 star clusters in M31. II. (Krienke, 2008) The following files can be converted to FITS (extension .fit .fgz or .fiZ) table4.dat ========================================================================== Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/PASP/120/1 ==========================================================================
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Beginning of ReadMe : J/PASP/120/1 HST WFPC2 star clusters in M31. II. (Krienke+, 2008) ================================================================================ A Hubble Space Telescope Survey of the Disk Cluster Population of M31. II. Advanced Camera for Surveys Pointings. Krienke O.K., Hodge P.W. <Publ. Astron. Soc. Pac. 120, 1 (2008)> =2008PASP..120....1K ================================================================================ ADC_Keywords: Galaxies, nearby ; Associations, stellar ; Photometry Abstract: This paper reports on a survey of star clusters in M31 based on archival images from the Hubble Space Telescope. Paper I reported results from images obtained with the Wide Field Planetary Camera 2 (WFPC2) and this paper reports results from the Advanced Camera for Surveys (ACS). The ACS survey has yielded a total of 339 star clusters, 52 of which mostly globular clusters were found to have been catalogued previously. As for the previous survey, the luminosity function of the clusters drops steeply for absolute magnitudes fainter than M_V_=-3; the implied cluster mass function has a turnover for masses less than a few hundred solar masses. The color-integrated magnitude diagram of clusters shows three significant features: (1) a group of very red, luminous objects: the globular clusters, (2) a wide range in color for the fainter clusters, representing a considerable range in age and reddening, and (3) a maximum density of clusters centered approximately at V=21, B-V=0.30, V-I=0.50, where there are intermediate-age, intermediate-mass clusters with ages close to 500 million years and masses of about 2000 solar masses. We give a brief qualitative interpretation of the distribution of clusters in the CMDs in terms of their formation and destruction rates. Description: For this survey we chose 27 pointings from the list (as of 2007 January 1) of ACS exposures included in the HST archives.