Surface photometry of six local group galaxies

Details Surface photometry of six local group galaxies Surface photometry of six local group galaxies

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....94..306k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 94, Aug. 1987, p. 306-314. Research supported by Harvard University.

Astronomy and Astrophysics

Astronomy

140

Astronomical Photometry, Galactic Structure, Local Group (Astronomy), Andromeda Galaxy, Brightness Distribution, Galactic Nuclei, Mass To Light Ratios, Spectral Energy Distribution, Surface Properties

Scientific paper

Luminosity profiles for six Local Group galaxies are derived based on observations made with a CCD camera and a set of five telescopes. The telescopes range in size from a 105 mm focal-length lens to the MMT, providing fields ranging from 3arcmin to 5°. This instrumentation permits uniform, calibrated photometry to be obtained over a wide range in angular scale with much greater ease than has been possible previously. The galaxies observed were M31, M32, M33, NGC 147, NGC 185, and NGC 205. Total magnitudes are derived for all galaxies except M33, and nuclear magnitudes are derived for the three galaxies that have distinct nuclear components. Mass/light ratios are computed for the bulge in M31 and M32.

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