Two Young Radio Pulsars Coincident with EGRET Sources

Details Two Young Radio Pulsars Coincident with EGRET Sources Two Young Radio Pulsars Coincident with EGRET Sources

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001apj...552l..45d&link_type=abstract

The Astrophysical Journal, Volume 552, Issue 1, pp. L45-L48.

Astronomy and Astrophysics

Astronomy

47

Stars: Pulsars: General, Stars: Pulsars: Individual: Alphanumeric: Psr 1420-6048, Pulsars: Individual (Psr J1837-0604), Stars: Neutron

Scientific paper

We report the discovery and follow-up timing observations of two young energetic radio pulsars. PSR J1420-6048 has a period P=68 ms and period derivative P=83×10-15, implying a characteristic age τc=13 kyr and a surface dipole magnetic field strength B=2.4×1012 G. PSR J1837-0604 has P=96 ms and P=45×10-15, implying τc=34 kyr and B=2.1×1012 G. The two objects have large spin-down luminosities, and, on the basis of an empirical comparison of their properties with those of other young radio pulsars, they are expected to be observable as pulsed γ-ray sources. In fact, they lie within the error circles of γ-ray sources detected by the EGRET instrument on the Gamma Ray Observatory. We show that the pulsars are plausibly associated with the EGRET sources.

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