BVRI surface photometry for a sample of 14 SB galaxies

Details BVRI surface photometry for a sample of 14 SB galaxies BVRI surface photometry for a sample of 14 SB galaxies

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..129..593c&link_type=abstract

Astronomy and Astrophysics Supplement, v.129, p.593-602

Astronomy and Astrophysics

Astrophysics

11

Galaxies: Spiral, Galaxies: Photometry

Scientific paper

Profiles of surface brightness, ellipticity and position angle obtained from CCD-BVRI images are presented for a sample of 14 spiral galaxies with 13 < B_T < 16.1. For these galaxies, exponential disc components were fitted to the profiles. A decrease of disc scalelengths from B to I is found for 13 galaxies, while for one galaxy scalelengths increase from B to I. The scalelength ratios r_D(B)/r_D(I), r_D(V)/r_D(I) and r_D(R)/r_D(I) show a systematic increase with increasing apparent ellipticity. The maximum variation is found for r_D(B)/r_D(I) which is 80 % larger for edge-on galaxies than for face-on galaxies. Based on observations collected at the South African Astronomical Observatory, Sutherland, Republic of South Africa.

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