The X-ray Spectral and Optical/IR Flux Variability in Magnetars

Details The X-ray Spectral and Optical/IR Flux Variability in Magnetars The X-ray Spectral and Optical/IR Flux Variability in Magnetars

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hst..prop10761k&link_type=abstract

HST Proposal ID #10761

Computer Science

Hst Proposal Id #10761

Scientific paper

In the last decade it has become clear that there exists a small subset of pulsars that are powered neither by rotation nor accretion but by the decay of their enormous {> 10^14 G} magnetic fields - magnetars. The origin of the X-ray emission from magnetar-candidate AXPs {Anomalous X-ray Pulsars} is fairly well understood within the framework of the magnetar model. However, where and how the optical/IR emission is produced is unclear. If, as recent models suggest, the optical/IR emission is magnetospheric, then any variation in the optical/IR flux should be accompanied by variation in the X-ray spectra. We therefore propose for joint Chandra-Hubble observations of two magnetar candidates 1E 1048.1-5937 and XTE J1810-197 in order to test the optical/IR emission models for magnetars.

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