ROSAT Calibration Documents

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"The ROSAT point spread functions and associates" F. G. Boese, 2000, A&AS, 141, 507.
"The energy-dependent temporal variation of the ROSAT PSPC gain" M. A. Prieto, G. Hasinger, and S. L. Snowden, 1996, A&AS, 120, 187.
"ROSAT Boresight Correction" Martin Kurster & Rainer Gruber, MPE, 1996. This discusses improving source positions for ROSAT pointed data processed with SASS versions prior to SASS version 7.0.

CAL/ROS/95-010: "Calibration Corrections Applied to Individual PSPC Events"
CAL/ROS/95-003: "ROSAT PSPC - Status of the PSPC Spatial/Temporal Gain Calibration"
OGIP/94-010: "ROSAT Data Analysis using XSELECT & FTOOLS"
CAL/ROS/93-027: "The Flux Stability of the ROSAT PSPC"
CAL/ROS/93-026: "The Flattening Accuracy of the Exposure Map Software"
CAL/ROS/93-019: "Exposure Maps for the ROSAT PSPC"
CAL/ROS/93-015: "ROSAT PSPC Off-axis Point Spread Function"
CAL/ROS/93-014: "Gail's PSPCRPSF Recipe Book"
CAL/ROS/93-009: "A comparison of ROSAT PSPC Response Matrices"
CAL/ROS/93-007: "Stability of the PSPC Spectral Calibration"
CAL/ROS/92-001a: ROSAT PSPC - The On-axis Point Spread Function: In-flight comparison with the PANTER results, Addendum: High Signal-to-Noise In-Flight Data
CAL/ROS/92-001: ROSAT PSPC - The On-axis Point Spread Function: In-flight comparison with the PANTER results
CAL/ROS/11-001: Calculating Deadtime Corrections for ROSAT Data (html or pdf)