Core structure of M32 from seeing-deconvolved images

Details Core structure of M32 from seeing-deconvolved images Core structure of M32 from seeing-deconvolved images

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....103..110b&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 103, Jan. 1992, p. 110-116. Research supported by MPI and Osservatorio Astronomico d

Astronomy and Astrophysics

Astronomy

11

Elliptical Galaxies, Galactic Nuclei, Galactic Structure, Seeing (Astronomy), Brightness Distribution, Charge Coupled Devices, Mass To Light Ratios, Spatial Resolution

Scientific paper

The paper presents seeing-deconvolved surface brightness profiles of M32 (NGC 221), obtained from ground-based CCD images using the regularized multi-Gaussian method. Results demonstrate that the RMG technique is capable of improving, by a factor of 3 to 4, the angular resolution of surface brightness profiles derived from CCD images. The seeing-deconvolved profiles of M32 were obtained with an effective resolution of about 0.3-0.4 arcsec. It is concluded, however, that, at this level of resolution, the galaxy core is still unresolved. Estimates of M32 core parameters are presented.

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