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SIMP is a proper motion (PM) survey made with the Observatoire du MontMegantic (OMM) wide-field near-infrared camera CPAPIR at the CTIO 1.5 m and OMM1.6 m telescopes. The SIMP observations were initiated in early 2005, are stillongoing and, to date, have covered 28% of the sky at high galactic latitudes.The PMs of the sources detected are determined by comparing their measuredpositions with those listed in the 2MASS point source catalog, giving a timebaseline of 4 to 10 years. The 5 sigma uncertainty on the relative SIMP and2MASS astrometry is 1", equivalent to a PM lower limit of 0.125-0.250"/yr, or atangential velocity limit of 15-30 km/s at 25 pc. Up to the 2MASS magnitudelimit (J~16.5), T dwarfs are found out to ~25 pc, while L dwarfs may be foundas far as 100 pc away.

SIMP: A Near-Infrared Proper Motion Survey