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Session 19 - Solar & Planetary Systems.
Display session, Monday, January 13
In this paper we will discuss the prospects for astrometric measurements with the Space Interferometry Mission (SIM). SIM performs precise astrometric measurements on point-like objects as dim as 20th magnitude using optical interferometric techniques with a 10 m baseline. SIM performs both narrow-angle astrometry, and global astrometry by means of an astrometric grid. Sensitivities of SIM astrometric performance and grid accuracy vs. instrumental parameters and sky coverage schemes will be presented. The problems in finding suitable astrometric grid objects, and ground-based observing programs that address these problems will be discussed.
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Program listing for Monday