Is the sub-millisecond pulsar strange?

Details Is the sub-millisecond pulsar strange? Is the sub-millisecond pulsar strange?

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.341..633f&link_type=abstract

Nature (ISSN 0028-0836), vol. 341, Oct. 19, 1989, p. 633-635. Research supported by DOE.

Astronomy and Astrophysics

Astrophysics

22

Nuclear Astrophysics, Pulsars, Stellar Models, Stellar Rotation, Supernova 1987A, Companion Stars, Equations Of State, Periodic Variations, Stellar Mass

Scientific paper

The possibility that the submillisecond pulsar from supernova 1987A is composed of strange matter is theoretically discussed. It is shown that for a range of hadron parameters, the maximum rotation rate of secularly stable strange stars may exceed that of the half-millisecond pulsar and the nonrotating maximum mass is greater than 1.52 solar mass. The low-mass companion(s) to SN1987A, inferred from the periodic modulations of the optical signal, can be accounted for by stable strange-matter lump(s) ejected from the young strange star.

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