... HST Overview . Overview . ... Monitor Title . Monitor . ... FGS realignments were performed in Dec 1997 for FGS3, in October 1998 and October 2002 for FGS1r, and in March 2000 and October 2002 for FGS3r. The plots below show the total errors in initial STIS pointings for monthly or bi-monthly periods, sorted according to the FGS which acquired the dominant guidestar. ... Jul . Aug . Sep . Oct . Nov . Dec . ... Feb . ... Apr . ... Jul/Aug . Sep/Oct . Nov/Dec . ...
ST-ECF Instrument Science Report ACS-2006-03 Wavelength and Flux calibration of the ACS/HRC PR200L prism S. S. Larsen, J. Walsh and M. KЭmmel, March 2006 ABSTRACT Wavelength- and flux calibrations are presented for the ACS/HRC PR200L slitless spectroscopy mode. ... Wavelength solutions for the PR200L prism. ... Wavelength. ... 12 ST-ECF Instrument Science Report ACS-2006-03 Figure 7: Comparison of the aXe-extracted prism spectra of the two flux standards with the reference spectra. ...
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