Timing and Spectral Study of 4U 1538-52

Details Timing and Spectral Study of 4U 1538-52 Timing and Spectral Study of 4U 1538-52

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000stin...0011066c&link_type=abstract

Technical Report, Massachusetts Inst. of Tech. Cambridge, MA United States Center for Space Research

Astronomy and Astrophysics

Astronomy

Pulsars, X Ray Binaries, Stellar Orbits, Time Measurement, X Ray Timing Explorer

Scientific paper

Improved orbital parameters of the high-mass binary X-ray pulsar 4U 1538-52 have been derived from high count rate data obtained from the Rossi X-Ray Timing Explorer. Pulse-timing analysis yields an eccentricity of 0.174 +/- 0.015, a periastron at 64 deg +/- 9 deg, and evidence of orbital decay with prime-Porb/Porb = (-2.9 +/- 2.1) x 10-6/yr.

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