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Jacoby, B. A; Cameron, P. B; Jenet, F. A; Anderson, S. B; Murty, R. N; Kulkarni, S. R
The Astrophysical journal, 06/2006, Volume: 644, Issue: 2Journal Article
We report the direct measurement of orbital period decay in the double neutron star pulsar system PSR B2127+11C in the globular cluster M15 at the rate of (-3.95 c 0.13) x 10 super(-12), consistent with the prediction of general relativity at the 63% level. We find the pulsar mass to be m sub(p) = 1.358 c 0.010 M sub( )and the companion mass m sub(c) = 1.354 c 0.010 M sub( ). We also report long-term pulse timing results for the pulsars PSR B2127+11A and PSR B2127+11B, including confirmation of the cluster proper motion.
