! Template ANTAB file for VSOP at 4.96GHz !******************************************* !***************Gain Curves***************** !******************************************* CONTROL INDEX 'L1|L2' / !******************************************* ! 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 ! However, previous experiments have had DIFMAP ! gain corrections for Ho of about 0.5 ! ==> (Actual SEFD) = (Expected SEFD)/4 ! (since gain is proportional to (SEFD)**0.5) ! ==> (Actual DPFU) = (Expected DPFU)*4 ! = 0.1 * 4 = 0.4 GAIN HOBART ALTAZ DPFU = 0.4, 0.4 POLY = 1.000 / ! Used a DPFU of 1.0, since it looks like the Ho "Tsys" ! values are actually SEFDs. !******************************************* !******************************************* ! AT 22m nominal value at 5GHz ! nominal SEFD value for (6 telescope) = 80 Jy ! ==> n telescope SEFD ~ 80 * (6/n) = ! DPFU = Tsys/SEFD = (45*n)/480 = GAIN AT ALTAZ DPFU = 0.5625, 0.5625 POLY = 1.000 / ! As far as I could tell, all six antennas observed. !******************************************* !******************************************* ! 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************** !******************************************* !******************************************* ! AT 22m nominal value at 5GHz = 45K TSYS AT TIMEOFF=0.0 FT=1.0 INDEX='L1','L2' / 96 04:00.00 45.0 45.0 96 06:00:00 45.0 45.0 / !******************************************* !******************************************* ! 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) ! ! Estimated a value for Tsys from mopratsys. The ! last record in this file ended at about 095:20 TSYS MOP TIMEOFF=0.0 FT=1.0 INDEX='L1','L2' / 96 04:00.00 46.0 46.0 96 06:00:00 46.0 46.0 / !******************************************* !******************************************* TSYS VSOP_SC TIMEOFF=0.0 FT=1.0 INDEX='L1','L2' / 96 05:00.00 92.0 96.0 96 06:00:00 92.0 96.0 / !******************************************* !******************************************* TSYS HOBART FT = 1.00 INDEX = 'L1','L2' / 96 3:3.85 942.7 942.7 96 3:3.85 918.5 918.5 96 3:13.85 911.8 911.8 96 3:13.85 916.1 916.1 96 3:23.85 951.4 951.4 96 3:23.85 943.6 943.6 96 3:33.85 906.3 906.3 96 3:33.85 921.6 921.6 96 3:43.85 918.4 918.4 96 3:43.85 913.5 913.5 96 3:53.85 933.5 933.5 96 3:53.85 935.6 935.6 96 4:3.85 978.3 978.3 96 4:3.85 977.1 977.1 96 4:13.85 927.4 927.4 96 4:13.85 925.4 925.4 96 4:23.85 918.9 918.9 96 4:23.85 906.5 906.5 96 4:33.85 953.1 953.1 96 4:33.85 930.5 930.5 96 4:43.85 954.9 954.9 96 4:43.85 931.0 931.0 96 4:53.85 969.2 969.2 96 4:53.85 961.0 961.0 96 5:3.85 943.1 943.1 96 5:3.85 928.4 928.4 96 5:13.85 987.1 987.1 96 5:13.85 973.4 973.4 96 5:23.85 946.3 946.3 96 5:23.85 951.0 951.0 96 5:33.85 898.9 898.9 96 5:33.85 915.1 915.1 96 5:43.85 943.2 943.2 96 5:43.85 970.0 970.0 96 5:53.85 947.5 947.5 96 5:53.85 944.0 944.0 96 6:3.85 939.5 939.5 96 6:3.85 942.2 942.2 96 6:13.85 939.6 939.6 96 6:13.85 958.3 958.3 96 6:23.85 918.3 918.3 96 6:23.85 893.9 893.9 96 6:33.85 939.3 939.3 96 6:33.85 911.6 911.6 96 6:43.85 932.8 932.8 96 6:43.85 910.3 910.3 96 6:53.85 895.3 895.3 96 6:53.85 897.6 897.6 /