10 August 2010 Achieving milli-arcsecond residual astrometric error for the JMAPS Mission
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Abstract
The Joint Milliarcsecond Pathfinder Survey (JMAPS) is a small, space-based, all-sky, visible wavelength astrometric and photometric survey mission for 0th through 14th I-band magnitude stars with a planned 2013 launch. The primary objective of the JMAPS mission is the generation of an astrometric star catalog with 1 milliarcsecond (mas) positional accuracy or better, and photometry to the 1% accuracy level or better at 1st to 12th mag. Achieving this level of accuracy in the final catalog requires a demanding attention to reducing systematic effects. We present our findings on distortion, signal to noise, and the astrometric bandpass necessary to obtain the desired accuracy for JMAPS.
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Gregory S. Hennessy, Benjamin F. Lane, Dan Veillette, Christopher Dieck, "Achieving milli-arcsecond residual astrometric error for the JMAPS Mission", Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 77314L (10 August 2010); doi: 10.1117/12.857476; https://doi.org/10.1117/12.857476
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