Surface photometry of Virgo cluster galaxies - Barred galaxies

Details Surface photometry of Virgo cluster galaxies - Barred galaxies Surface photometry of Virgo cluster galaxies - Barred galaxies

Oct 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976aj.....81..799b&link_type=abstract

Astronomical Journal, vol. 81, Oct. 1976, p. 799-806.

Astronomy and Astrophysics

Astronomy

16

Astronomical Photometry, Galactic Clusters, Luminous Intensity, Virgo Galactic Cluster, Color, Galactic Evolution, Galactic Structure, Profiles, Stellar Luminosity

Scientific paper

Photographic surface photometry in B and V is presented for three barred galaxies in the Virgo cluster: N4548, N4596, and N4608. Intercomparisons of luminosity and color profiles and standard photometric parameters indicate that for these galaxies: (1) the nuclear component follows the fourth-root-of-radius luminosity law for both B and V, (2) the luminosity profiles along the bar show a characteristic shoulder with a slight fall in B-V color profile at the brightest point in the bar, the strength of the effect declining from N4548 to N4608, (3) the integrated bar component is slightly bluer than the nucleus, and (4) as the disk, arm, and ring components contribute less to the total luminosity of the system, the contribution of the bar increases as does the equivalent gradient.

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