Precision Proper Motion of Compact Objects

Details Precision Proper Motion of Compact Objects Precision Proper Motion of Compact Objects

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21343601k&link_type=abstract

American Astronomical Society, AAS Meeting #213, #436.01; Bulletin of the American Astronomical Society, Vol. 41, p.306

Physics

Optics

Scientific paper

It is now generally appreciated that the space velocities of compact objects (pulsars, magnetars, LMXBs and HMXBs) directly inform us as to their origins and constrain their lifetimes. Here, we report on a program to measure the proper motions of magnetars using the laser guide star adaptive optics system on the Keck II telescope. We will discuss new potential near-infrared counterparts to magnetars and the implications of the proper motion results for magnetar formation and evolution. In addition, we will explain the limits of ground-based astrometry with adaptive optics and the prospects for carrying out astrometric programs on current and future ground-based telescopes. Our analysis sets the stage and motivates space based astrometry missions. In particular, we show that Space Interferometry Mission is essential for further progress in this field.

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