! Template ANTAB file for VSOP at 4.96GHz !******************************************* !***************Gain Curves***************** !******************************************* CONTROL INDEX 'L1|L2' / !******************************************* ! Usuda 64m at 5GHz ! Values obtained from the ISAS Web Page ! (980703) ! SEFD = 96 Jy(?) USUDA64 GAIN ALTAZ DPFU = 1.04, 1.04 POLY= 0.79657, -4.0993E-3, 1.1283E-4, -9.7301E-7 / !******************************************* !******************************************* ! Hobart 26m telescope at 6cm ! nominal SEFD value for 5GHz = 1200 Jy ! DPFU = Tsys/SEFD = Tsys/1200 ! Approximate value for DPFU should be about 0.1 GAIN HOBART ALTAZ DPFU = 0.1, 0.1 POLY = 1.000 / !******************************************* !******************************************* ! Mopra 22m nominal value at 5GHz ! SEFD = 450 Jy (a nominal value) ! DPFU = Tsys/SEFD = 45/450 = 0.1 ! This value is also consistent with the value used ! by S. Tingay at: ! ftp://sgra.jpl.nasa.gov/pub/users/tingay/mopratsys GAIN MOP ALTAZ DPFU = 0.1, 0.1 POLY = 1.000 / !******************************************* !******************************************* ! Halca: ! C-band data from Oct 21 - Nov 4 (Cyg-A): ! peak gain = 0.0062 K/Jy ! uncorrected pointing error <= ~2' ! measured beam FWHM = ~30' (assumed circ. Gauss.) ! pointing loss gain factor > 0.98 GAIN VSOP_SC DPFU=(0.0062) FREQ=4700,5000 ALTAZ POLY=1.0 / ! C-band data from July 18 (Cas-A; 2 pointing scans): ! peak gain = 0.0064 K/Jy ! uncorrected pointing error = ~6' ! measured beam FWHM = ~31.3' (assumed circ. Gauss.) ! pointing loss gain factor = 0.90 !GAIN VSOP_SC DPFU=(0.0064*0.90) FREQ=4700,5000 ALTAZ POLY=1.0 / !******************************************* !******************************************* !******************Tsys Values************** !******************************************* !******************************************* ! Value of 155K from the ISAS home page. ! (980703) ! Tsys/SEFD values for Hobart are screwy....~700. ! Instead, assume an SEFD of 1200, so Tsys ~ 120 ! With a DPFU of 0.1. TSYS HOBART FT = 1.00 INDEX = 'L1','L2' / 332 7:30.00 120.0 120.0 332 9:30.00 120.0 120.0 / !******************************************* !******************************************* ! Nominal Usuda SEFD at 5GHz = 69 Jy ! (from the web) ! Assuming a DPFU*gain of unity ==> tsys = 69 K ! Now however use tsys values of 100K from the ISAS ! home page. ! (980703) ! In this file, used Tsys values from Usuda Tsys ! history on the ISAS Web page. TSYS USUDA64 FT = 1.00 INDEX = 'L1', 'L2' / 332 06:37.00 108.0 108.0 332 08:23.00 107.0 107.0 332 09:40.00 108.0 108.0 / !******************************************* !******************************************* ! Mopra 22m nominal value at 5GHz = 34K ! About the average tsys obtained for Mopra ! from experiment VS05s (20/05/98) ! This is only a typical value. Actual Tsys ! values can be obtained from: ! ftp://sgra.jpl.nasa.gov/pub/users/tingay/mopratsys ! (980307) ! There were no Mp Tsys values for the ! timerange which was extracted from V101f. Used the ! approximate value for V101f outside the extracted ! timerange. TSYS MOP TIMEOFF=0.0 FT=1.0 INDEX='L1','L2' / 332 07:30.00 38.0 38.0 332 09:30.00 38.0 38.0 / !******************************************* !******************************************* ! TSYS measurements interpolated from nominal values. TSYS VSOP_SC TIMEOFF=0.0 FT=1.0 INDEX='L1','L2' / 332 07:30.00 94.0 98.0 332 08:30.00 94.0 98.0 /