A statistical study of galaxies with UV excess in the Kiso catalog

We show that the number of galaxies with ultraviolet excess in the Kiso catalog decreases rapidly as the inclincation of the galaxy to the line of sight increases. This effect is observed in spiral galaxies of both type Sk and type Sp. Moreover spiral galaxies that are steeply inclined to the line of sight are on the average weaker than galaxies viewed face-on. Due to internal absorption the distribution of UV-excess galaxies over the intensity classes L, M, and H is also distorted.Translated fromAstrofizika, Vol. 37, No. 4, 1994.The authors are grateful to E. G. Nikogosyan for assistance with the computations.     

BVR photometry of the distant cluster of galaxies a 665

Byurakan Astrophysical Observatory; Osservatoria Astronomico di Roma. Published in English in Astrofizika, Vol. 31, No. 3, pp. 437–446, November–December, 1989 and reprinted here with minor editorial changes.