Two-color photometry of the cluster of galaxies A 2634

Details Two-color photometry of the cluster of galaxies A 2634 Two-color photometry of the cluster of galaxies A 2634

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987afz....27..417k&link_type=abstract

Astrofizika (ISSN 0571-7132), vol. 27, Dec. 1987, p. 417-427. In Russian.

Astronomy and Astrophysics

Astronomy

Astronomical Photometry, Galactic Clusters, Galactic Structure, Color, Luminosity, Schmidt Telescopes, Space Density

Scientific paper

On the plates obtained in the Schmidt focus of the 2-meter Tautenburg telescope, B and V photometric measurements of the cluster of galaxies A 2634 in a field 2°.6×2°.6 have been carried out. The field galaxy density has been determined on the same plates. The cluster has a core of high galaxy density surrounded by a corona of essentially lower density. The value of the parameter fB introduced by Butcher and Oemler for galaxies brighter than MV = -19.8 is equal to 0.07. In the cumulative luminosity function no change of slope is observed. Apparently there are a lot of flattened galaxies in the cluster.

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