The High-B Radio Pulsar PSR J1718-3718: A Quiescent Magnetar?

Details The High-B Radio Pulsar PSR J1718-3718: A Quiescent Magnetar? The High-B Radio Pulsar PSR J1718-3718: A Quiescent Magnetar?

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2608m&link_type=abstract

Chandra proposal ID #10500758

Physics

Scientific paper

PSR J1718-3718 is a young radio pulsar with a magnetar-strength field. Its likely X-ray counterpart, which we serendipitously detected with Chandra, has a thermal spectrum resembling that of the transient AXP XTE J1810-197 in quiescence. Recently, a magnetar-like outburst was detected from rotation-powered PSR J1846-0248, showing that rotation-powered pulsars can exhibit magnetar behavior and suggesting that such activity may be correlated with magnetic field. With a magnetic field 50% higher than J1846-0258's, J1718-3718 may be a quiescent magnetar. We request ACIS-S observations to search for magnetar-like outbursts, detect X-ray pulsations, measure the pulsed fraction, improve the spectral parameters, and obtain a precise position in order to establish the nature of this source.

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