Mathematics – Logic
Scientific paper
Aug 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ycat.7098....0k&link_type=abstract
VizieR On-line Data Catalog: VII/98A. Originally published in: 1986A&AS...66..255K
Mathematics
Logic
2
Galaxy Catalogs
Scientific paper
A catalog of 2810 nearby galaxies has been prepared. The conditions for an inclusion into the catalog ensure that most galaxies for which the effect of the overdensity of the Virgo cluster on their observed redshifts is not negligible are listed. Three main entities define the catalog: 1) a magnitude-limited catalog with BT <= 13.4mag 2) a volume-limited catalog with V0 <= 500 km/s, and 3) a Virgo catalog for galaxies within a 10deg-cone around M87 limited at BT <= 14.95mag In correspondence to a virgocentric nonlinear flow model (Silk, 1974, 1977), distances are calculated for all galaxies in the catalog with known redshifts. A 95% redshift coverage outside the 10deg-cone around M87 and a 73% coverage within this cone provide the same coverage in computed distances. Two sets of distances are listed resulting from two sets of parameters adopted in the model. They are characterized by a local infall motion towards Virgo of vVC = 220 km/s and vVC = 440 km/s, thus bracketing most published determinations of vVC. Distances are in units of the Virgo cluster distance and independent of any assumption on Ho. In addition to the positions, the recession velocities and the calculated distances, morphological types, diameters, axis ratios, apparent blue magnitudes, and absorption-corrected luminosities based on rVC = 21.7Mpc are listed as well. (2 data files).
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