Searching for radio pulsations from the transient AXP in Westerlund 1

Details Searching for radio pulsations from the transient AXP in Westerlund 1 Searching for radio pulsations from the transient AXP in Westerlund 1

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atnf.prop.2594p&link_type=abstract

ATNF proposal P573, Semester: October, 2009

Other

Late Stages Of Stellar Evolution (Excluding Pulsars And Supernovae), Pulsars, Neutron Stars, Parkes

Scientific paper

We ask to continue the monitoring of the Galactic stellar cluster Westerlund-1 in the aim of searching for radio pulsations in the transient Anomalous X-ray Pulsar (AXP) CXOU J164710.2-455216. This is one of the only three known transient AXPs and the other two similar sources, XTEJ1810-197 and 1E1547.0-5408, have been recently shown to emit strong pulsed radio-emission following (in a timescale of order weeks to years) an X-ray outburst. CXOU J164710.2-455216 experienced an X-ray outburst on September 2006; therefore, monitoring this source may allow us to investigate for the first time the phase of onset of the radio-emission. That may greatly contribute to clarify the nature of the radio-emission mechanism in the AXPs and the relation between this kind of sources and the canonical radio pulsars.

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