“School of Physic”
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| Paper IPM / Physic / 7871 |
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| Abstract: | |||||||
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Using astrometric measurements of microlensing we study the effect
of angular momentum as compared to that of the parallax. For a
rotating object it is shown that the effect of the angular
momentum deviates the center of images from the simple standard
microlensing. This effect could be observed by future astrometric
missions such as GAIA and SIM for lenses with angular momentum
S >~×1048 kg m2 sec−1. We show how the angular
momentum detection is sensitive to the lens parameters and argue
that low mass lenses with a given angular momentum have a higher
chance to be detected.
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