Massachusetts Institute of Technology X-Ray Observatory for the Small Astronomy Satellite (SAS-C)

The MIT SAS-C S-Ray Observatory is a highly flexible facility for the comprehensive study of the X-ray sky over the 0.1 to 50 kev energy range. Event time may be determined to 0.125ms. An on-board 16 pulse height analyzer allows for fine X-ray spectral studies using the on-board star trackers and rotating modulation collimator. Both risetime and geometric anticoincidence circuits are employed and a programmable data format generator allows great flexibility in choice of data sources and source sampling rate for special studies.