Analysis of pulsars by means of the mathematical theory of experiments

Details Analysis of pulsars by means of the mathematical theory of experiments Analysis of pulsars by means of the mathematical theory of experiments

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977sval....3...66k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 3, Mar. 1977, p. 129-132.) Soviet Astronomy Letters, vol. 3, Mar.-Apr. 1977, p. 66-68.

Statistics

Applications

Astrometry, Pulsars, Star Clusters, Stellar Models, Applications Of Mathematics, Experiment Design, Orthogonal Functions

Scientific paper

In the present paper, an attempt is made to use the method of principal components to classify pulsars into groups according to their physical parameters. Geometrically, the determination of the principal components reduces to resolution to a new system of orthogonal coordinates: the first coordinate is defined such that maximum dispersion may be extracted from the corresponding linear form; then, an axis orthogonal to this coordinate is sought, and the remaining dispersion is treated in the same way, etc. It is shown that the 32 pulsars examined may be broken down into 9 clusters in which, in turn, specific 'chains' along which the pulsar characteristics vary may be identified.

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