Zhang, C M; Wang, Jiang-Hai; Zhao, Y H; Yin, H X; Song, L M; Menezes, D P; Wickramasinghe, Dayal; Ferrario, Lilia; Chardonnet, P-A
We study the statistics of 61 measured masses of neutron stars (NSs) in binary pulsar systems, including 18 double NS (DNS) systems, 26 radio pulsars (10 in our Galaxy) with white dwarf (WD) companions, 3 NSs with main-sequence companions, 13 NSs in X-ray binaries, and one undetermined system. We derive a mean value of M = 1.46 ± 0.30 M·. When the 46 NSs with measured spin periods are divided into two groups at 20 milliseconds, i.e., the millisecond pulsar (MSP) group and others, we find that...[Show more]
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