High-resolution optical observations of NGC 3379. II - On the derivation of the East-West profile

Details High-resolution optical observations of NGC 3379. II - On the derivation of the East-West profile High-resolution optical observations of NGC 3379. II - On the derivation of the East-West profile

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...53..383n&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 53, Sept. 1983, p. 383-393.

Astronomy and Astrophysics

Astrophysics

17

Astronomical Photometry, Galactic Clusters, High Resolution, Spaceborne Photography, Brightness Distribution, Hubble Space Telescope, Image Resolution, Luminosity

Scientific paper

The author presents high-resolution observations (FWHM ≡ 0arcsec.5 - 1arcsec.0) of the luminosity standard NGC 3379 obtained with the CFH telescope, to which he adds new regular-resolution data. He discusses the problems related to photography at high resolution. The consistency and accuracy of the new material is checked against previous data analysed in paper I (Nieto, 1983). Following the method of de Vaucouleurs and Capaccioli (1979), the author derives the composite high-resolution east-west profile of NGC 3379.

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