The surface photometry of NGC 3379

Details The surface photometry of NGC 3379 The surface photometry of NGC 3379

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.158...43h&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 158, no. 1, Aug. 1989, p. 43-55.

Astronomy and Astrophysics

Astrophysics

Astronomical Photometry, Galactic Radiation, Schmidt Telescopes, Astronomical Maps, China, Ellipticity, Isophotes, Luminous Intensity, Photographic Plates

Scientific paper

Surface photometry is carried out for the photometric standard galaxy NGC 3379 on the basis of two plates in the blue band. The results, including luminosity profiles, photometric parameters, integrated luminosity distribution, ellipticity and position angle variation, are presented. The ellipticity and position angle variations reach up to 5 arc mins, much fainter than any previous study. The accuracy of the present data is checked by comparing them with the surface photometry in the literature. It is found that the zero-point about 0.12 mag brighter than the calibration of de Vaucouleurs and Capaccioli (1979), which agrees with the values 0.10-0.15 mag difference claimed by recent observations. The systematic differences is found to be less than about 0.1 mag.

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