; IDL Version 3.6.1a (sunos sparc) ; Journal File for gschneid@nicmosis ; Working directory: /home/gschneid/FILTERS/IDL-PROCS ; Date: Wed Aug 30 16:52:14 1995 ;The Journal is /home/gschneid/FILTERS/SENSITIVITY/f175wCAM3.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: f175w ;The detector dark current in electrons per second is: 0.100000 ;The linear range in electrons is: 205000. ;The wavelength interval in microns is: 0.000500167 ;The effective filter bandwidth in microns is: 0.248455 ;Lower Wavelength is: 1.17250 ;Upper Wavelength is: 2.35300 ;Central Wavelength is: 1.76275 ;Maximum Transmission is: 0.965796 ;Lower half power wavelength is: 1.20550 ;Upper half power wavelength is: 2.30000 ;The average transmission between half power points is: 0.885054 ;The background detected is 289.103 photons per second ;The background from HST is 202.345 photons per second ;The background from NICMOS is 83.1510 photons per second ;The background from zodiacal dust is 3.60663 photons per second ; ;The fraction of flux in the center pixel is: 0.595040 ;