Photoelectric surface photometry of 19 spiral galaxies

Details Photoelectric surface photometry of 19 spiral galaxies Photoelectric surface photometry of 19 spiral galaxies

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..500w&link_type=abstract

Astronomical Journal, vol. 87, Mar. 1982, p. 500-516. Research supported by the Alfred P. Sloan Foundation.

Astronomy and Astrophysics

Astronomy

22

Astronomical Photometry, Electrophotometry, Spiral Galaxies, Astronomical Catalogs, Brightness, Error Analysis, Tables (Data)

Scientific paper

Photoelectric surface photometry along the major and minor axes of 19 spiral galaxies has been obtained using the 1.3-m telescope at Kitt Peak National Observatory. A comparison with the standard galaxy NGC 3379 yields an average uncertainty of 0.05 mag/sq arcsec in B to a limiting surface brightness of 24.5 mag/sq arcsec in B. Further comparisons with the photographic photometry of Fraser (1977) and Boroson (1981) show that while Fraser's observations have large-scale errors, Boroson's photometry is accurate to about 0.1 mag/sq arcsec in B outside the inner 3 arcsec. A comparison of the present one-dimensional scans with Boroson's global profiles shows that most galaxies are symmetric enough to allow a determination of the total luminosity profile to better than 0.1 mag/sq arcsec in B from scans of only the major and minor axis.

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