#filename: ACISbasic.rdb # #-------------------------------- # History information: # created 10/15/97 dd #-------------------------------- # #.........Column definitions..... # This rdb file lists several one-number # products. The rdb columns are therefore # generic and self explanatory. # #.........Name definitions....... # ACISpixel pixel spacing # ACISchip the size of the active area of the ACIS chips # ACISSgap average ACIS-S gap width # ACISSaxis HRMA optical axis intercept from S3 edge #................................ # name value error unit S N N S ACISpixel 0.024 0. mm ACISchip 24.576 0. mm ACISSgap 0.43 0.01 mm ACISSaxis 6.04 0.10 mm