Photometric separation of the bulge and disc components of spirals using CCD imaging

Details Photometric separation of the bulge and disc components of spirals using CCD imaging Photometric separation of the bulge and disc components of spirals using CCD imaging

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.170..225p&link_type=abstract

(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640

Physics

Optics

1

Astronomical Photometry, Disk Galaxies, Galactic Bulge, Galactic Structure, Spiral Galaxies, Barred Galaxies, Cassegrain Optics, Charge Coupled Devices, Ellipticity, Infrared Imagery

Scientific paper

High-resolution CCD images are presented of a sample of spiral galaxies, in infrared photometric bands, obtained at the Cassegrain focus of the 1 m Jacobus Kapteyn Telescope, La Palma. A decisive advantage of the linearity in these images is that a reliable separation of the light from bulge and disk can be effected. Possible applications of the results to determine the structure of the bulges are described.

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