High-resolution optical surface photometry of M31

Details High-resolution optical surface photometry of M31 High-resolution optical surface photometry of M31

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..264h&link_type=abstract

Astronomical Journal, vol. 87, Feb. 1982, p. 264-277.

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41

Andromeda Galaxy, Astronomical Photometry, High Resolution, Astronomical Maps, Cosmic Dust, Interstellar Matter, Isophotes

Scientific paper

Optical surface photometry in B is obtained for M31 with a resolution of 3 arcsec. Isophotes are presented for several areas at different resolutions out to B = 27 mag/arcsec squared. A complete set of isophotes to B = 25.5 mag/arcsec squared is given in a figure, the data being smoothed to 30-arcsec resolution. A mean position angle for the major axis is found to be 43 + or - 6 deg, whereas the outer five isophotes have a value of 36.8 + or - 1.4 deg. The ellipticity curve is shown to be typical of spiral galaxies. The minor- and major-axis profiles are found to agree well with those obtained by other means.

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