UBVR surface photometry of the barred galaxy NGC 151

Details UBVR surface photometry of the barred galaxy NGC 151 UBVR surface photometry of the barred galaxy NGC 151

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993arep...37....1e&link_type=abstract

Astronomy Reports, Volume 37, Issue 1, January 1993, pp.1-5

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of surface photometry of the inner region (D= 100" ~ 24 kpc) of the spiral galaxy NGC 151 Using the 2-m telescope of Shemakha Observatory (Azerbaidzhan) with an image tube. The brightness of the galaxy's inner disk and bar decrease exponentially with radius r with linear scales α^-1^ = 1.32 and 3.3 kpc, respectively. Changes {DELTA}( U- B) and {DELTA}(B- V) in the disk's colors are observed along r, from the "red" nucleus to the "blue" inner ring of the galaxy. In the (U - B)_0_ - (B- V)_0_ two-color diagram, the color of the bar of NGC 151 departs from the normal color sequence for galaxies. This may be because stars formed within the bar leave it in their orbital motion.

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