Pairs of pulsars in the diagram P dot versus P

Details Pairs of pulsars in the diagram P dot versus P Pairs of pulsars in the diagram P dot versus P

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.251..441f&link_type=abstract

In ESA Proceedings of the Joint Varenna-Abstumani International School and Workshop on Plasma Astrophysics p 441-445 (SEE N87-1

Statistics

1

Discriminant Analysis (Statistics), Pulsars, Stellar Models, Binary Stars, Stellar Evolution, Supernovae

Scientific paper

Pairs of pulsars (PSR) selected by Vladimirskii (1984) are properly distributed in three groups of PSR previously found by the authors applying the discriminant analysis to the diagram Pvs P. Some evolutive implications of the isochrone t = 106yr are discussed. A new list of pairs has been selected by means of additional, more restricted criteria, and their position in the diagram Pvs P is discussed. From these pairs, the authors have obtained the averaged value t = 4.8×106yr for the time interval between the first and second SN outburst in a binary system, in agreement with the value derived from the pairs of Vladimirskii. These values are slightly higher than that obtained from an evolutive model by Van Den Heuvel (1976).

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