Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26as...66..255k&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 66, no. 3, Dec. 1986, p. 255-279. SNSF-supported research.
Astronomy and Astrophysics
Astrophysics
205
Astronomical Catalogs, Galaxies, Gravitational Effects, Red Shift, Virgo Galactic Cluster, Astronomical Models, Flow Velocity, Galactic Structure, Intergalactic Media, Luminosity, Magnitude
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 ≤ 13m.4, (2) a volume-limited catalog with v0 ≤ 500 km s-1, and (3) a Virgo catalog for galaxies within a 10°-cone around M87 limited at BT ≤ 14m.95. In correspondence to a virgocentric nonlinear flow model (Silk 1974, 1977), distances are calculated for all galaxies in the catalog with known redshifts. 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 rVir = 21.7 Mpc are listed. Some sample pages of the catalog are presented. The whole catalog will be made available upon request. A magnetic tape version of the catalog can be provided as well. The nonlinear flow model itself, the choice of the adopted parameters and the significance of individual parameters on the flow pattern are described in detail.
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