Color differences between normal and barred galaxies

Details Color differences between normal and barred galaxies Color differences between normal and barred galaxies

Jun 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976sva....19..791s&link_type=abstract

(Astronomicheskii Zhurnal, vol. 52, Nov.-Dec. 1975, p. 1328, 1329.) Soviet Astronomy, vol. 19, no. 6, 1976, p. 791, 792. Transl

Astronomy and Astrophysics

Astronomy

2

Astronomical Spectroscopy, Color, Galactic Structure, Ubv Spectra, Statistical Analysis, Ultraviolet Spectra

Scientific paper

The integrated color indices of the A, AB, and B families of galaxies of all morphological types are analyzed statistically for colorimetric differences on the basis of Vaucouleurs and Vaucouleurs' (1972) catalog. It is found that the integrated (U-B) indices of barred spirals from SBc to SBm are about 0.08 magnitude lower than those of ordinary spirals from SAc to SAm. No differences are found in the integrated (B-V) indices. Analysis of the distribution of mean (U-B) index by radius shows that the main contribution to the integrated ultraviolet excess of SBc and SBd galaxies originates in the outer regions of these galaxies.

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