Extreme-Ultraviolet Observations of Nine Pulsars

Details Extreme-Ultraviolet Observations of Nine Pulsars Extreme-Ultraviolet Observations of Nine Pulsars

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aj....115.2097s&link_type=abstract

The Astronomical Journal, Volume 115, Issue 5, pp. 2097-2100.

Astronomy and Astrophysics

Astronomy

1

Stars: Pulsars: General, Stars: Neutron, Ultraviolet Emission

Scientific paper

We report the observation of nine pulsars using the Lexan (100 Å) band of the Extreme Ultraviolet Explorer scanning telescopes. The observations, none of which resulted in positive detections, are used to derive limits to the temperature of surface thermal radiation from the objects. We compare the temperature limits with predictions from neutron star cooling models. The N_H I toward our targets limits our ability to establish rigorous limits needed to discriminate among the models. We also derive a limit to heating by magnetic monopole flux-catalyzed nucleon decay for the very old pulsar PSR J1455-3330, which is similar to the limit derived for PSR B1929+10 and 3 orders of magnitude larger than the limit for PSR J0437-4715.

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