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The values of mass and radius given in the table are based on reference [3]. However, the corresponding arXiv article is actually not about mass and radius estimates for the Crab pulsar. As far as I can see, it only assumes standard values for M and R, namely 1.4 M_solar and 10 km, and compares it to X-Ray observation to get information about the cooling behavior. In conclusion, the given values are just typical reference values for neutron stars in general, and do not represent any special estimates for the Crab pulsar. Either a different reference should be given, which really shows that these values are estimates for the Crab, or the values have to be removed.
Furthermore, it is inappropriate and misleading to express the radius in terms of the solar radius. — Preceding unsigned comment added by Matt.swift.hempel ( talk • contribs) 13:22, 26 November 2013 (UTC)
I can find several periods for the Crab pulsar but I haven't unambiguously found the first published period. I think the article should cite the first accurate measurement in the history section and the most accurate modern measurement in the introduction. Jason Quinn ( talk) 21:01, 28 June 2008 (UTC)