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astro-ph2008
Crowded-Field Astrometry with SIM PlanetQuest. II. An Improved Instrument Model
R. Sridharan, Ronald J. Allen
In a previous paper we described a method of estimating the single-measurement bias to be expected in astrometric observations of targets in crowded fields with the future Space In…
astro-ph2007★ 2 cited
Crowded-Field Astrometry with the Space Interferometry Mission - I. Estimating the Single-Measurement Astrometric Bias Arising from Confusion
R. Sridharan, Ronald J. Allen
The accuracy of position measurements on stellar targets with the future Space Interferometry Mission (SIM) will be limited not only by photon noise and by the properties of the in…