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A Serendipitous Pulsar Discovery in a Search for a Companion to a Low-Mass White Dwarf

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arxiv 1806.05889 v1 pith:7JBTVNMK submitted 2018-06-15 astro-ph.SR astro-ph.HE

Jeff J. Andrews , Marcel A. Agüeros , Fernando Camilo , Mukremin Kilic , Alex Gianninas , Warren Brown , Craig Heinke This is my paper · ORCID
classification astro-ph.SRastro-ph.HE
keywords discoveryj0802-0955low-massperiodpositionpulsarpulseradio
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We report the discovery of a previously unidentified pulsar as part of a radio campaign to identify neutron star companions to low-mass white dwarfs (LMWDs) using the Robert C.\ Byrd Green Bank Telescope (GBT). PSR J0802-0955, which is coincident with the position of a WD with a mass of 0.2 solar masses, has a pulse period of 571 ms. Because of its relatively long pulse period, the lack of radial velocity (RV) variations in the radio data, and GBT's large beam size at the observing frequency of 340 MHz, we conclude that PSR J0802-0955 is unassociated with the LMWD at roughly the same position and distance.

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