! ! Calibration Information file, to be used with the ANTAB program ! Created by S Frey for vs03g, 990927 ! ! References for gain curves: ! for Seshan25, HartRAO, Hobart, Mopra ! http://www.vsop.isas.ac.jp/obs/GRTcal.html (nominal values, as of 18 Jun 98) ! file nominal_gain_C.cal !******************************************* ! Seshan25 (Shanghai) at 6cm ! (970318) ! GAIN SESHAN25 ALTAZ DPFU=0.10,0.10 POLY=8.833E-01,9.150E-03,-2.971E-04,5.279E-06,-3.501E-08 / !******************************************* ! Hartebeesthoek 26m at 6cm ! (970414) ! GAIN HARTRAO ALTAZ DPFU=0.085, 0.085 POLY=1.00, 0.0001739, -1.412E-5, 3.289E-7, -2.939E-9 / !******************************************* ! 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 GAIN MOP ALTAZ DPFU = 0.1, 0.1 POLY = 1.000 / !******************************************* ! 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 GZ DPFU=(0.0064*0.90) FREQ=4700,5000 ALTAZ POLY=1.0 / !GAIN NZ DPFU=(0.0064*0.90) FREQ=4700,5000 ALTAZ POLY=1.0 / !GAIN RZ DPFU=(0.0064*0.90) FREQ=4700,5000 ALTAZ POLY=1.0 / !GAIN TZ DPFU=(0.0064*0.90) FREQ=4700,5000 ALTAZ POLY=1.0 / !GAIN UZ DPFU=(0.0064*0.90) FREQ=4700,5000 ALTAZ POLY=1.0 / !GAIN HALCA DPFU=(0.0064*0.90) FREQ=4700,5000 ALTAZ POLY=1.0 / GAIN VSOP_SC DPFU=0.0058, 0.0058 FREQ=4700,5000 ALTAZ POLY=1.0 / !-------------------------------------------------------------------- ! SESHAN25 Tsys: extracted & reformatted from VS03g.tsys file ! provided at U of Calgary ftp area ! TSYS SESHAN25 FT=1.0 TIMEOFF=0.0 INDEX= 'L1', 'L2' / 227 14:00:06 65.9 62.1 227 15:00:06 64.5 60.7 227 16:00:06 63.7 60.3 227 16:45:06 63.7 60.5 227 17:00:06 63.7 60.4 227 18:00:06 64.4 61.2 227 18:50:06 66.4 63.0 / ! HARTRAO Tsys: extracted & reformatted from VS03g.tsys file ! provided at U of Calgary ftp area ! ! (IF2 was supposed to be in the second row for each epoch) ! TSYS HARTRAO FT=1.0 TIMEOFF=0.0 INDEX= 'L1', 'L2' / 227 16:47:37 68.8 70.1 227 16:52:37 65.6 65.6 227 16:57:37 67.1 68.2 227 17:00:06 65.6 65.0 227 17:02:46 64.2 62.2 227 17:07:46 64.2 65.4 227 17:12:46 63.8 64.0 227 17:17:46 64.7 63.1 227 17:22:46 62.0 62.6 227 17:27:46 62.2 63.2 227 17:32:46 60.0 62.9 227 17:37:46 60.1 60.4 227 17:42:46 60.7 59.3 227 17:47:46 59.3 57.0 227 17:52:46 56.9 56.8 227 17:57:46 58.6 56.6 227 18:00:06 56.9 59.0 227 18:02:46 55.2 56.5 227 18:07:46 54.6 54.8 227 18:12:46 52.9 52.0 227 18:17:46 52.0 52.2 227 18:22:46 52.5 53.8 227 18:27:46 52.4 52.7 227 18:32:46 50.9 50.8 227 18:37:46 51.7 53.3 227 18:42:46 50.7 51.7 227 18:47:46 52.0 50.8 227 18:50:06 50.8 51.1 227 18:52:46 52.7 56.3 227 18:57:46 51.6 52.8 227 19:00:06 52.4 54.3 / ! HOBART Tsys: extracted & reformatted from VS03g.tsys file ! provided at U of Calgary ftp area ! ! values are in general ~3 times higher than used to be ! with a lot of editing of highly unrealistic values ! (IF2 was supposed to be in the second row for each epoch) ! TSYS HOBART FT=1.0 TIMEOFF=0.0 INDEX= 'L1', 'L2' / !227 13:50:46 55.4 55.4 !227 14:36:16 899.8 903.8 !227 14:37:07 449.9 448.3 !227 14:41:03 973.8 971.4 !227 14:45:21 579.1 579.1 !227 14:50:21 1018.3 1012.9 !227 14:55:21 994.0 990.1 !227 15:00:21 994.5 995.6 !227 15:10:21 973.0 972.0 !227 15:15:21 974.6 970.7 !227 15:20:21 974.0 972.8 !227 15:25:21 984.4 979.9 !227 15:30:21 972.1 971.1 !227 15:35:21 962.6 963.5 !227 15:40:21 1007.3 1003.2 !227 15:50:21 1416.7 1400.9 !227 15:55:21 982.5 980.6 !227 16:00:21 949.1 946.3 !227 16:10:21 1057.1 1055.3 !227 16:15:21 898.0 895.6 !227 16:20:21 1703.3 1701.4 !227 16:25:21 1057.9 1056.3 !227 16:30:21 993.2 1014.3 !227 16:35:21 881.5 874.5 !227 16:40:21 1189.3 1182.2 !227 16:45:21 1046.4 1045.6 !227 16:55:21 538.8 536.6 !227 17:05:21 320.2 315.2 !227 17:10:21 792.7 796.2 !227 17:15:21 1188.7 1202.8 !227 17:20:21 991.2 988.2 !227 17:25:21 999.3 1004.0 !227 17:30:21 996.5 983.4 !227 17:35:21 979.4 972.4 !227 17:40:21 984.7 983.1 !227 17:50:21 948.0 949.4 !227 17:55:21 952.6 952.0 !227 18:00:21 970.5 968.5 !227 18:10:21 936.7 938.4 !227 18:15:21 1028.6 1033.4 !227 18:20:21 1035.7 1053.5 !227 18:25:21 1191.8 1176.8 !227 18:30:21 1298.3 1301.1 !227 18:35:21 1308.4 1305.8 !227 18:40:21 1395.5 1366.7 !227 18:50:21 2609.4 2566.1 !227 18:55:21 1413.8 1415.6 !227 19:05:21 1432.2 1433.2 !227 19:05:26 2196.2 2164.9 !227 19:10:21 1172.9 1174.8 !227 19:20:21 1511.1 1498.4 !227 19:30:21 1610.0 1604.3 !227 19:40:21 1443.9 1445.1 !227 19:50:21 1496.8 1460.6 !227 20:00:21 1474.0 1488.0 !227 20:10:21 1588.3 1579.6 !227 20:20:21 1331.6 1328.9 !227 20:30:21 1448.2 1420.0 !227 20:40:21 1486.0 1483.6 !227 20:50:21 1549.7 1550.9 !227 21:00:21 1406.0 1404.8 !227 21:10:21 1477.9 1472.7 !227 21:20:21 1465.9 1458.4 !227 21:30:21 1530.8 1526.5 !227 21:40:21 1379.1 1372.0 !227 21:50:21 1532.0 1514.4 !227 22:00:21 1473.0 1460.4 !227 22:10:21 1359.8 1361.5 !227 22:20:21 1455.1 1443.2 ! The above values are replaced with a flat Tsys=330 K ! (see e.g. vs03l, v047l for realistic Hobart data) 227 13:30:00 330.0 330.0 227 14:00:00 330.0 330.0 227 14:30:00 330.0 330.0 227 15:00:00 330.0 330.0 227 15:30:00 330.0 330.0 227 16:00:00 330.0 330.0 227 16:30:00 330.0 330.0 227 17:00:00 330.0 330.0 227 17:30:00 330.0 330.0 227 18:00:00 330.0 330.0 227 18:30:00 330.0 330.0 227 19:00:00 330.0 330.0 227 19:30:00 330.0 330.0 227 20:00:00 330.0 330.0 227 20:30:00 330.0 330.0 227 21:00:00 330.0 330.0 227 21:30:00 330.0 330.0 227 22:00:00 330.0 330.0 227 22:30:00 330.0 330.0 / ! MOP Tsys: nominal values taken from nominal_tsys_C.cal file ! provided at the VSOP Web site ! http://www.vsop.isas.ac.jp/obs/GRTcal.html ! ! Mopra 22m nominal value at 5GHz = 45K TSYS MOP TIMEOFF=0.0 FT=1.0 INDEX='L1','L2' / 227 13:00:00.0 45.0 45.0 227 14:00:00.0 45.0 45.0 227 15:00:00.0 45.0 45.0 227 16:00:00.0 45.0 45.0 227 17:00:00.0 45.0 45.0 227 18:00:00.0 45.0 45.0 227 19:00:00.0 45.0 45.0 227 20:00:00.0 45.0 45.0 / ! HALCA Tsys was not available, "guess" values were used instead ! with slightly higher value for IF2 (as often seen earlier) ! TSYS VSOP_SC TIMEOFF=0.0 FT=1.0 INDEX='L1','L2' / 227 13:00:00 96.0 102.0 227 13:30:00 96.0 102.0 227 14:00:00 96.0 102.0 227 14:30:00 96.0 102.0 227 15:00:00 96.0 102.0 227 15:30:00 96.0 102.0 /