The classification of stellar spectra using statistical image moments

Details The classification of stellar spectra using statistical image moments The classification of stellar spectra using statistical image moments

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.203..305d&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 203, no. 2, p. 305-315.

Astronomy and Astrophysics

Astrophysics

Image Classification, Statistical Analysis, Stellar Spectra, Astronomical Catalogs, Image Processing

Scientific paper

A method for classifying stellar spectral types based on the statistical moments of objective prism images is described. The results of testing the method on microdensitometer scans of objective prism spectra is given and their significance discussed. Some of the image moments offer a possible way of assigning quantitative spectral classes to large numbers of stars in a short period of time.

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