Abstract
view Abstract Citations References (27) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Photometry of Brightest Galaxies in Twenty Abell Clusters. Gaidos, Eric J. Abstract CCD imaging and extractions from the Digitized Sky Survey were used to obtain photometry of the first- and second-ranked galaxies in twenty Abell galaxy clusters selected only on redshift (z < 0.25) and richness (R > 0). For each object, apparent magnitudes were calculated in circular apertures with radii of 5 h(-1) and 10 h(-1) kpc and a total magnitude estimated using an elliptical isophote fitting routine. The distribution of absolute magnitudes in the 10 h(-1) kpc radius aperture is consistent with that found in previous work and can be described by a gaussian with mean <M_1> = -21.54 +/- 0.10 and dispersion sigma_ {M_1} = 0.37 +/- 0.06. There is no evidence for significant luminosity evolution or dependence on cluster properties, although the small size of the sample precludes definitive limits. Publication: The Astronomical Journal Pub Date: August 1997 DOI: 10.1086/118487 Bibcode: 1997AJ....114..474G Keywords: GALAXIES: CLUSTERS: INDIVIDUAL: ABELL; GALAXIES: PHOTOMETRY full text sources ADS | data products SIMBAD (40) NED (20)
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