Faint Object Camera Instrument Handbook: Post-COSTAR |
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Common terms and phrases
aberration accuracy acquisition angle aperture arcminutes arcsec arcseconds arcseconds squared background bandpass beam calculate Calibration Programs configuration COSTAR COSTAR-corrected count rate counts sec¹ Cycle Ð Ð Ð detector dispersion curves encircled energy energy fraction entrance aperture errors exposure extended sources F/48 camera field of view files filter wheels flat field flux FOC images FOC Instrument focal ratio FOCSIM FOPCD function of wavelength FUVOP FWHM geometric correction geometric distortion handbook imaging format IRAF linearity long slit magnitudes measured Medium band MgF₂ millimeters mirror neutral density filters NUVOP observations optical peak performance photocathode photometric photon photon event pixels plate scale point sources polarizers position pre-COSTAR F/96 radius relay reseau marks scan sensitivity shown in Figure simulate spatial spectra spectrograph spectrum spherical aberration star STIS STScI SYNPHOT target tion transmission variations vignetting wavelength WFPC2 Wide band zodiacal light zoomed