Computer Science
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..209w&link_type=abstract
XMM-Newton Proposal ID #02039104
Computer Science
Ax J155052-5418, Ax J184848-0129, Ax J165904-4242, Xmm-Newton Proposal 02039104
Scientific paper
There now exists strong evidence in favor of both Anomalous X-ray Pulsars (AXPs) and Soft Gamma Repeaters (SGRs) being highly magnetized neutron stars or magnetars. Still largely unknown is the luminosity distribution and number density of these active magnetar candidates. There now exists evidence for low luminosity (less than 10^34 ergs/s) magnetar candidates (SGR 1627-41 and AX J1845-0258) with ages comparable to the remaining population. We propose to search for low-luminosity magnetar candidates we have identified within the ASCA Galactic plane survey in order to (i) establish the intrinsic luminosity distribution of this class and hence, better constrain the birth rate of magnetars and (ii) study the life-cycle of these enigmatic sources.
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