Astronomy and Astrophysics – Astronomy
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.199..483g&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 199, May 1982, p. 483-491.
Astronomy and Astrophysics
Astronomy
Galactic Nuclei, Infrared Astronomy, Power Spectra, Star Distribution, Astronomical Photometry, Infrared Detectors, Point Sources, Stellar Structure
Scientific paper
The methods used for mapping extended objects can also be applied to star counting, provided that the star density is not too high. The method considered for star counting in the present investigation is more reliable than other methods using similar principles, because the point source response is actually measured, and any beam asymmetries or noninteger chop/sampling-interval ratios are unimportant. The method has been tested by analyzing some data in parallel with the 'manual' deconvolution performed by Eaton et al. (1982). Only a modest improvement is obtained for uncrowded fields, but the method shows a clear advantage in crowded fields such as those located near the Galactic Center. A major advantage of the considered method of infrared star counting is that a large amount of data can be easily processed in a completely consistent way.
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