Identification of Stellar Spectra Using Methods of Statistical Spectroscopy

Details Identification of Stellar Spectra Using Methods of Statistical Spectroscopy Identification of Stellar Spectra Using Methods of Statistical Spectroscopy

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008acppb..39.1993w&link_type=abstract

Acta Physica Polonica B, vol. 39, Issue 8, p.1993

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

The aim of this paper is to present a new method of classification of the stellar spectra. The parameters characterizing the spectra are moments of intensity distributions. Statistical Theory of Spectra is used as a tool for the classification of the stellar spectra. The method of using distribution moments has been already proposed by the present authors as new molecular descriptors in the theory of molecular similarity. In this paper the method is implemented in astrophysics. Moments of intensity distributions have different values for every spectral type. We present diagrams based on the knowledge of the moments in which all types of stars can be recognized. Distribution moments obtained from the experimental spectra can be helpful to recognize easily the spectral type.

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