Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986afz....25....5a&link_type=abstract
(Astrofizika, vol. 25, July-Aug. 1986, p. 5-18) Astrophysics (ISSN 0571-7132), vol. 25, no. 1, Jan. 1987, p. 357-365. Translatio
Astronomy and Astrophysics
Astrophysics
Brightness Distribution, Magnitude, Seyfert Galaxies, Astronomical Photometry, Galactic Evolution, Galactic Structure, Spiral Galaxies
Scientific paper
The observational data obtained in the previous papers on surface brightness distributions μ(r) are discussed for normal and Seyfert galaxies. The profile μ(r) is the same in general for both considered groups of objects. The values of surface brightness μ1(0), brightness gradient n1 and color indexes (U-B)1(0), (B-V)1(0) are calculated for the central parts of spheroidal components at the distance 1 kpc away from the centers of galaxies. The range of main parameter variations, mutual correlations of parameters and their correlations with absolute galactic magnitude are naturally explained in the standard model frames of galactic spheroidal components. The relations mentioned above are approximately the same for normal and Seyfert galaxies. Photometric characteristics of central regions of Sy 1 and Sy 2 galaxies are similar.
Afanas'ev V. L.
Doroshenko V. T.
Terebizh Iu. V.
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