A Better Mousetrap: Localizing RRATs with Chandra

Physics

Scientific paper

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Chandra Proposal Id #08500626

Scientific paper

Rotating RAdio Transients (or RRATs) are a recently discovered class of neutron stars with largely unknown properties. Unlike normal pulsars, they do not show coherent pulsation but instead emit sporadic radio bursts that nevertheless show evidence for stable rotation. Of the 11 known RRATs, 8 have positions that are only known to 7 arcmin, inhibiting any follow-up observations. Building on our serendipitous Chandra detection of an RRAT, we propose to utilize the high resolution of Chandra to localize a sample of RRATs to sub-arcsecond precision. By measuring the positions and X-ray characteristics of these objects, we will place them in the context of the larger neutron star population, and pave the way for more detailed radio, optical, IR, and X-ray observations.

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