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P. B. Cameron, S. R. Kulkarni (Caltech)
We have initiated a program aimed at obtaining dynamics of compact object systems using the newly commissioned laser guide star (LGS) adaptive optics at the Keck Observatory. Thanks to the high sensitivity and resolution of LGS adaptive optics we have already discovered IR counterparts to several interesting systems. For proper motion studies we can take advantage of the availability of a large number of background stars (thanks to the low galactic latitude location of our targets) and the large isoplanatic angle (30 arcsec or better). Our preliminary observations suggest that a precision of a milliarcsecond per year is achievable (baseline of three years).
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.