A photometric study of the inner disk of M104

Details A photometric study of the inner disk of M104 A photometric study of the inner disk of M104

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....102..893b&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 102, Sept. 1991, p. 893-895.

Other

15

Astronomical Photometry, Disk Galaxies, Galactic Nuclei, Galactic Mass, Galactic Structure

Scientific paper

The photometric structure of the inner disk of M104 (NGC 4594) is revealed by the subtraction of nonisothermal and Hubble law models of the core of the bulge component from BVRI data. Disk parameters, integrated magnitudes, and profiles for the transition region between the inner disk (less than 11 arcsec) and the prominent disk for above 20 arcsec are presented. A comparison of the integrated magnitude obtained by Kormendy (1988) and the present study is presented. The results are in satisfactory agreement considering the independent and different method of defining the zero point of the nonisothermal profile and the definition of the inner disk size. A comparison of the colors of the inner disk (5 arcsec), the smoothed colors at the intensity minimum (about 15 arcsec), the spheroid, and the galaxy is presented. Colors of the disk are approximately the same as the spheroid. Colors of the inner disk are relatively constant and redder than the spheroid.

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