*** VST (2.61m F/5.5) *** *** telescope ******************************** 261.= diameter 1 (cm) 53502.1094= area 1 (cm^2) 90.= diameter 2 (cm) 47140.3828= area (1-2) (cm^2) 47140.3828= total area (cm*2) of 1 co-aligned scopes. 1445.78125= focal length (cm) 5.53939152= focal ratio 142.666672= scale (as/cm) *** CCD ************************************** 2048= X pixels = 3.07200003(cm) = 438.272003(as) 4096= Y pixels = 6.14400005(cm) = 876.544006(as) 8.53699398= Omega (deg^2) = 0.121742226 x 0.243484452 x 288 15.= microns/pixel 0.214000016= as/pixel 2.79999995= Gain (e/ADU) 5.= Readout (e) = 1.78571427(ADU) 16.= ADU bits 65536.= ADU max 200000.= full well (e) = 71428.5703(ADU) *** Passband ********************************* obsmode: VST SLOAN I 7693.93213= pivot (A) 1085.3313= FWHM (A) 1085.3313= bandwidth (A) 0.493259072= qe 1.= optics 1.38238392E+10= Vega (c/s) 4.93708544E+09(ADU/s) 24.2336769(mag=ADU/s) 20.5724602= dark (mag/as^2) 3.7365613(c/pix/s) 1.33448625(ADU/s) 19.6265926= bright (mag/as^2) 8.92933464(c/pix/s) 3.18904805(ADU/s) *** Exposure ********************************* 19( 45.+( 20. 80.))= 3610. 1900.= exposure (s) 855.= deadtime (s) 190.= cycle (s) 0.526315808= duty cycle *** PSF ************************************* 1.5= psf fwhm (as) = 7.00934505= (pix) 0.636991382= psf sig (as) = 2.97659492= (pix) 154.349335= psf area (sq pix) *** Duration ********************************* 0.49282369= duration (yr) = 180.(d) 0.988584459= sleep fraction