GTAC Observation Log

1. Date : 14/01/2017
2. Observation Sr. No. : 9132
3. Observer : Atish Kamble, Poonam Chandra, Nayana AJ, Alicia Margarita Soderberg, Sayan Chakraborti, Raffaella Margutti
4. Observer's Email : atish.vyas@gmail.com, poonam@ncra.tifr.res.in, nayan89deva@gmail.com, asoderberg@cfa.harvard.edu, schakraborti@fas.harvard.edu, rmargutti@cfa.harvard.edu
5. Project Name : The Unprecedented Metamorphosis of SN 2014C: from a Hydrogen-stripped to a Strongly Interacting SN
6. Project Code : 31_091
7. Operator(s) : Deepak, Nilesh, Shilpa
8. Command File : /odisk/gtac/cmd/31_091/14jan17/obs.cmd
9. LTA File : /gsbifrdata1/14jan/31_091_14jan2017.lta
10. LogFlag File : /odisk/online1/logflags/31_091.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_lenyadri
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 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1371 1371 1320 1320 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
W03 : : applied servo elevation brakes.
E05 : : Maintenance.
E03 : : No Fringe @ 1390MHz.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 14 Jan 2017 15:00:00 - 14 Jan 2017 18:01:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
15:00 : Started settings.
15:09 : Started scan on 3C48 for ~ 10 min.
15:20 : W03 released for observation.
15:22 : Started command file.
        /odisk/gtac/cmd/31_091/14jan17/obs.cmd
17:44 : Stopped command file.
17:47 : Started scan on 3C48.
18:01 : Stopped scan and observing session over.