Persistence in NICMOS: Results from On-Orbit data

Details Persistence in NICMOS: Results from On-Orbit data Persistence in NICMOS: Results from On-Orbit data

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997nicm.rept...24d&link_type=abstract

Instrument Science Report NICMOS-97-024, 9 pages

Physics

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wide Field Camera 3, Wfc3

Scientific paper

This ISR presents the results of the analysis of NICMOS persistence data taken as part of the Servicing Mission Orbital Verification (SMOV). This test is a sequel to the System Level Thermal Vacuum (SLTV) persistence tests performed with NICMOS. The goal is to reassess the conclusions previously reached with SLTV data (see ISR NICMOS-97-023) and determine the level of persistence and operational limitations required for programs dealing with previous overexposures to bright objects. The results and analysis of the SMOV test show persistence to be present in data taken after a bright illumination for at least 60-120 seconds followed by a decay. The S/N of the data is not high enough to accurately fit a function to the persistence observations. After analysis, it is discovered that the type of sequence used in obtaining the SMOV data is not the most revealing for persistence study.

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