; IDL Version 3.6.1a (sunos sparc) ; Journal File for gschneid@nicmosis ; Working directory: /home/gschneid/FILTERS/IDL-PROCS ; Date: Thu Aug 31 12:51:37 1995 ;The Journal is /home/gschneid/FILTERS/SENSITIVITY/f190n-2CAM3.txt ; ;The temperature of the HST optics is: 293.000 ;The temperature of the NICMOS optics is: 275.000 ;The temperature of the zodiacal dust is: 265.000 ;The emissivity of the HST is: 0.100000 ;The emissivity of NICMOS is: 0.150000 ;The effective HST telescope area in square meters is: 4.07000 ;Efficiency including filter or grism but not detector is: 0.650000 ;The detector noise in electrons is: 35.0000 ;The required signal to noise is: 1.00000 ; ;STScI filter designation is: f190n-2 ;The detector dark current in electrons per second is: 0.100000 ;The linear range in electrons is: 205000. ;The wavelength interval in microns is: 0.000199601 ;The effective filter bandwidth in microns is: 0.00441788 ;Lower Wavelength is: 1.88220 ;Upper Wavelength is: 1.92020 ;Central Wavelength is: 1.90120 ;Maximum Transmission is: 0.932236 ;Lower half power wavelength is: 1.89160 ;Upper half power wavelength is: 1.90920 ;The average transmission between half power points is: 0.841107 ;The background detected is 0.744488 photons per second ;The background from HST is 0.518144 photons per second ;The background from NICMOS is 0.168662 photons per second ;The background from zodiacal dust is 0.0576819 photons per second ; ;The fraction of flux in the center pixel is: 0.564027 ;