# SOAR Telescope, Filter, and Detector Database 12 Mar 2007 SRH # # Count rates for OSIRIS and SOI based on Feb 2007 (pre mirror wash) photometric calibrations # SOI (R. Baptista) OSIRIS (A. Roman) pre-mirror wash. SOI count rates updated # using 09 Mar (post mirror wash) zero points. # # Star values for each filter are actual observed count rates through that # filter as observed at SOAR scaled to 1m aperture. # Sky values are the usual "walker" polynomials pending remeasurement. # # All QE's are set to 1.0 - reality is in the counts # # # Telescope data: # aperture diameter in meters, scale in arcsec/mm, and transmission. telescope = "SOAR_SOI" aperture = 4.1 scale = 5.12 transmission = 1.0 telescope = "SOAR_OSIRIS_f7" aperture = 4.1 scale = 7.5135 transmission = 1.0 telescope = "SOAR_OSIRIS_f3" aperture = 4.1 scale = 17.8919 transmission = 1.0 end # Filter data: # Magnitude corresponding to photon count rate. # Photons/second/stellar-image for a 1-m telescope at 1 airmass. # Sky magnitudes per sq arc sec: # sky = sky0 + sky1 * phase + sky2 * phase**2 (phase=0-14) filter = "U" extinction = 0.35 mag = 20 star = 2.33 sky0 = 22.0 sky1 = -0.2666 sky2 = -.00760 filter = "B" extinction = 0.17 mag = 20 star = 15.29 sky0 = 22.7 sky1 = -0.0998 sky2 = -0.00953 filter = "V" extinction = 0.092 mag = 20 star = 15.52 sky0 = 21.8 sky1 = -0.0153 sky2 = -0.00838 filter = "R" extinction = 0.072 mag = 20 star = 16.06 sky0 = 20.9 sky1 = -0.0211 sky2 = -0.00364 filter = "I" extinction = 0.027 mag = 20 star = 11.66 sky0 = 19.9 sky1 = -0.0086 sky2 = -0.00311 filter = "J" extinction = 0.1466 mag = 20 star = 4.5806 sky0 = 15.5 sky1 = 0. sky2 = 0. filter = "H" extinction = 0.101 mag = 20 star = 3.985 sky0 = 14.5 sky1 = 0. sky2 = 0. filter = "K" extinction = 0.1 mag = 20 star = 2.3795 sky0 = 13.0 sky1 = 0. sky2 = 0. filter = "Ks" extinction = 0.151 mag = 20 star = 2.855 sky0 = 13.3 sky1 = 0. sky2 = 0. end # Detector information: # rdnoise in photons, dark rate in photons per second, pixel size in microns, # and the effective DQE for each filter. detector = "E2V" rdnoise = 4.4 dark = 0.0005 pixsize = 15 U = 1.0 B = 1.0 V = 1.0 R = 1.0 I = 1.0 J = 0.0 H = 0.0 K = 0.0 Ks = 0.0 detector = "HgCdTe" rdnoise = 17.13 dark = 0.15 pixsize = 18.5 U = 0 B = 0 V = 0 R = 0 I = 0 J = 1 H = 1 K = 1 Ks = 1