Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...183.3703l&link_type=abstract
American Astronomical Society, 183rd AAS Meeting, #37.03; Bulletin of the American Astronomical Society, Vol. 25, p.1345
Astronomy and Astrophysics
Astronomy
Scientific paper
We have discovered a new binary millisecond pulsar in an EGRET source error box. The discovery was made in a pulsar search conducted at Arecibo observatory targeted at the unidentified EGRET high energy gamma -ray source error boxes. The pulsar has a 3.5 ms spin period, an 8.5 hour orbital period, a 430 MHz flux density of 10 mJy, and a dispersion measure of 30 pc cm(-3) . The mass function is 0.001 Msun, setting a lower limit on the companion mass of 0.14 Msun for an assumed pulsar mass of 1.4 Msun. We present results of our analysis of ROSAT and EGRET observations to determine whether the high energy emission is associated with the millisecond pulsar. Possible models for such a system are considered.
Becker Elaine W.
Cordes James M.
Fierro J. M.
Kanbach Gottfried
Lundgren Scott C.
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