GTAC Observation Log 1. Date : 22/03/2015 2. Observation Sr. No. : 7695 3. Observer : Gabriela Castelletti, Elsa Giacani, BHAL CHANDRA JOSHI, Jorge Leonardo Supán, Mayuresh Surnis 4. Observer's Email : gcastell@iafe.uba.ar, egiacani@iafe.uba.ar, bcj@ncra.tifr.res.in, lsupan@iafe.uba.ar, mpsurnis@ncra.tifr.res.in 5. Project Name : The first radio study of the very-high gamma emitting source HESS J1843-033C 6. Project Code : 27_027 7. Operator(s) : Navnath, Nilesh, Surender 8. Command File : /odisk/gtac/cmd/bcj/27_027.220315.2.cmd,/odisk/gtac/cmd/bcj/27_027.220315.3.cmd,/odisk/gtac/cmd/bcj/27_027.220315.1.cmd, 9. LTA File : /gsbifrdata/22mar/27_027_22mar2015_s2.lta 10. LogFlag File : /odisk/online1/logflags/27_027.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W06 : : Feed Cage Panting W04 : : 175 No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Mar 2015 04:00:00 - 22 Mar 2015 11:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 04:00 : Started setup. 04:15 : power on 3c286 @ 200 counts. 04:20 : Restarted GSB with GAIN ON. 04:27 : Stareted cmd file. /odisk/gtac/cmd/bcj/27_027.220315.1.cmd 04:29:59 : Started scan on 3C286 for ~ 10.0663 min. 04:45:59 : Started scan on 1822-096 for ~ 0.402653 min.####BAD SCAN. 04:49:42 : Started scan on 1822-096 for ~ 3.087 min. 04:53:02 : Started scan on 1822-096 for ~ 1.20796 min. 04:54:37 : Started scan on 1822-096 for ~ 2.01326 min. 04:58:59 : Started scan on J1909-3744 for ~ 3.087 min. 05:05:29 : Started scan on J1843-033C for ~ 30.3273 min. 05:37:39 : Started scan on 1822-096 for ~ 1.07374 min. 05:39:00 : Started scan on 1822-096 for ~ 1.20796 min. 05:40:32 : Started scan on 1822-096 for ~ 2.95279 min. 05:46:55 : Started scan on J1843-033C for ~ 30.199 min. 06:18:11 : Started scan on 1822-096 for ~ 1.07374 min. 06:19:33 : Started scan on 1822-096 for ~ 1.20796 min. 06:21:04 : Started scan on 1822-096 for ~ 2.95279 min. 06:27:28 : Started scan on J1843-033C for ~ 30.199 min. 06:58:41 : Started scan on 1822-096 for ~ 1.07374 min. 07:00:01 : Started scan on 1822-096 for ~ 1.20796 min. 07:01:36 : Started scan on 1822-096 for ~ 3.087 min. 07:08:00 : Started scan on J1843-033C for ~ 30.199 min. 07:39:09 : Started scan on 1822-096 for ~ 0.939523 min. 07:40:29 : Started scan on 1822-096 for ~ 1.34218 min. 07:42:01 : Started scan on 1822-096 for ~ 2.95279 min. 07:48:21 : Started scan on J1843-033C for ~ 30.199 min. 08:19:32 : Started scan on 1822-096 for ~ 1.07374 min. 08:20:53 : Started scan on 1822-096 for ~ 1.34218 min. 08:22:24 : Started scan on 1822-096 for ~ 3.087 min. 08:28:48 : Started scan on J1843-033C for ~ 30.4674 min. 09:01:07 : Started scan on 1822-096 for ~ 1.07374 min. 09:02:27 : Started scan on 1822-096 for ~ 1.20796 min. 09:03:59 : Started scan on 1822-096 for ~ 2.95279 min. 09:10:23 : Started scan on J1843-033C for ~ 30.199 min. 09:41:33 : Started scan on 1822-096 for ~ 1.07374 min. 09:42:54 : Started scan on 1822-096 for ~ 1.34218 min. 09:44:26 : Started scan on 1822-096 for ~ 3.087 min. 09:50:49 : Started scan on J1843-033C for ~ 30.199 min. 10:22:13 : Started scan on 1822-096 for ~ 0.402653 min. 10:22:00 : W04 taken for maintenance hence removed from GAC. 10:23:34 : Started scan on 1822-096 for ~ 1.20796 min. 10:25:05 : Started scan on 1822-096 for ~ 1.07374 min. 10:29:30 : Started scan on J1843-033C for ~ 18.1194 min. 10:48:31 : Started scan on J1901-0906 for ~ 3.087 min. 10:53:27 : Started scan on B1937+21 for ~ 2.81857 min. 11:00:00 : Stopped scan and observing session is over.