Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-08-18
Astronomy and Astrophysics
Astrophysics
5 pages, 2 figures, accepted for publication in MNRAS (letters)
Scientific paper
10.1111/j.1365-2966.2004.07407.x
We report the discovery and initial timing observations of a 55.7-ms pulsar, J0609+2130, found during a 430-MHz drift-scan survey with the Arecibo radio telescope. With a spin-down rate of $3.1 \times 10^{-19}$ s s$^{-1}$ and an inferred surface dipole magnetic field of only $4.2 \times 10^{9}$ G, J0609+2130 has very similar spin parameters to the isolated pulsar J2235+1506 found by Camilo, Nice & Taylor (1993). While the origin of these weakly magnetized isolated neutron stars is not fully understood, one intriguing possibility is that they are the remains of high-mass X-ray binary systems which were disrupted by the supernova explosion of the secondary star.
Arzoumanian Zaven
Backer Donald C.
Chandler Adam M.
Cordes James M.
Fruchter Andrew S.
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