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Showing papers by "University of Science and Technology of China published in 1979"



Journal ArticleDOI
TL;DR: Based on Lee-Wick's theory of abnormal nuclear state, the possible existence of a new type of neutron stars of abnormal state is discussed in this article, where it is shown that there may be some stable and/or metastable abnormal neutron stars with M ∼ M ⊙.

4 citations


Journal ArticleDOI
TL;DR: In this article, the phase shift between the stellar and gaseous arms in the spiral galaxies M81 and M51 has been computed and the calculated pattern of the spiral arms agree in general with the observational results of 21 cm radio emission.

1 citations


Journal ArticleDOI
TL;DR: In this paper, the relative proper motions of 64 RR Lyrae variables were determined using Turner's method using the Carte du Ciel Astrographic Catalogue, while the second-epoch positions were measured positions from plates taken with the 40-cm refractor ( f = 6.9 m) of Shanghai Observatory, in 1962-1965.

Journal ArticleDOI
TL;DR: In this article, a statistical analysis has been made on the polarization properties of those quasars in which the Faraday depolarization is mainly responsible for the inverse relationship between the degree of polarization and the wavelengrh.