NUV Detector Recovery After Anomalous Shutdown

Details NUV Detector Recovery After Anomalous Shutdown NUV Detector Recovery After Anomalous Shutdown

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008hst..prop11892w&link_type=abstract

HST Proposal ID #11892. Cycle 17

Computer Science

Scientific paper

This proposal is designed to permit recovery of the NUV-MAMA detector after an anomalous shutdown. Anomalous shutdowns can occur as a result of bright object violations which trigger the Bright Scene Detection or Software Global Monitor. Anomalous shutdowns can also occur as a result of MAMA hardware problems. The Initial MAMA turn-on consists of three tests: a signal processing electronics check, a slow high voltage ramp-up to an intermediate voltage, and a slow high voltage ramp-up to the full operating voltage. During each of the two high voltage ramp-ups, diagnostics are performed during a dark time-tag exposure. The turn-on is followed by a MAMA Fold Analysis Test. The complete sequence is contained in visits 1 through 4. This proposal is based on SMOV proposal 11355, visit 01 and visits 03-05.;

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