Photometric Properties of the Bright Lenticular Galaxy NGC 5102

Details Photometric Properties of the Bright Lenticular Galaxy NGC 5102 Photometric Properties of the Bright Lenticular Galaxy NGC 5102

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jkas...24..151s&link_type=abstract

Journal of the Korean Astronomical Society, vol. 24, no. 1, p. 151-159

Astronomy and Astrophysics

Astronomy

Scientific paper

Using the photographic imagery of the SO galaxy NGC 5102, the equivalent luminosity profile and the fractional integrated luminosity curve have been derived. Several photometric parameters of the galaxy, such as a total magnitude (B_T), equivalent radius (r^star_e), effective surface brightness (mu^star_e), and concentration indices (C_21, C_32) were derived from the luminosity profiles. According to the decomposition method from nonlinear least squares fitting, photometric parameters of the bulge (mu_e, r_e) and the exponential disk (mu(0), alpha^-1), and the bulge to total luminosity ratio (B/T) were obtained. The derived central disk surface brightness (mu(0) = 22.06 +- 0.18 mag/*+/- and the evaluated B/T ratio (= 0.52) of the NGC 5102 are close to the mean values (mu(0) = 21.65 +- 0.3 mag/*+/-", B/T = 0.63) of the SO galaxies. Analysis showed that a lens-like hump is embedded in the equivalent luminosity profile of the NGC 5102.

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