TY - RPRT TI - A preliminary look at astrometric accuracy as a function of photon counts AU - Gatewood, G. AU - Stein, J. AU - Difatta, C. AU - Kiewiet De Jonge, J. AU - Breakiron, L. PY - 1985 UR - https://ntrs.nasa.gov/citations/19860030186 ID - 19860030186 ER -