Abstract
We report the discovery of a field binary millisecond pulsar, J0218+4232, with a period of 2.3 ms and in a 2.0 day binary orbit with a 0.16 M☉ companion. The new pulsar was serendipitously discovered as a steep-spectrum, highly polarized, compact radio source during imaging observations at Westerbork, and was later confirmed to be a pulsar with observations carried out with the 76 m antenna at Jodrell Bank. With a dispersion measure of 61 pc cm-3, it lies outside the electron layer in the direction l = 140°, b = -18°. At a distance of more than 5.7 kpc, it is the farthest known field millisecond pulsar and has a radio luminosity L400 comparable to that of PSR B1937+21. It appears that a significant fraction of the radio emission is not pulsed. This, together with the extremely broad pulse profile, suggests that we are looking at an aligned rotator.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
