BV surface photometry of southern galaxies. I. NGC 4507
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From B and V photographic surface photometry we have obtained photometric parameters, mean luminosity profiles, and B- V color indices for the barred spiral galaxy NGC 4507. The decomposition of the mean-luminosity B profile shows the existence of an r 1/4 bulge, an exponential disk, a bar, and possibly a lens. The dimensions and colors of these structures are derived. The mean B- V distribution shows a color gra dient of 0.4 mag between the nucleus and arms region. A reddening of E(B- V) = 0 ...
From B and V photographic surface photometry we have obtained photometric parameters, mean luminosity profiles, and B- V color indices for the barred spiral galaxy NGC 4507. The decomposition of the mean-luminosity B profile shows the existence of an r 1/4 bulge, an exponential disk, a bar, and possibly a lens. The dimensions and colors of these structures are derived. The mean B- V distribution shows a color gra dient of 0.4 mag between the nucleus and arms region. A reddening of E(B- V) = 0.2-0.3 of the southern region can be detected when we compare its B- V values with those of the northern region. ...
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The astrophysical journal. Chicago. Vol. 304, no. 1 (May 1986), p. 305-311
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Artigos de Periódicos (39774)Ciências Exatas e da Terra (6068)
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