GTAC Observation Log

1. Date : 07/06/2020
2. Observation Sr. No. : 12077
3. Observer : Barnali Das, Poonam Chandra
4. Observer\'s Email : barnali@ncra.tifr.res.in, poonam@ncra.tifr.res.in
5. Project Name : In search of coherent radio emission from the hot magnetic star HD 142301 at uGMRT frequencies
6. Project Code : 38_036
7. Operator(s) : Nilesh, Sachin
8. Command File : /odisk/gtac/cmd/38_036/6_jun/obs.cmd
9. LTA File : /gsbifrdata/06jun/38_036_06jun2020_gsb.lta, /gwbifrdata/06jun/38_036_06jun2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_036.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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_shivneri
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) : 306 306 255 255 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Maintenance.
E02 : No fringe.
S03 : Servo problem.
W06 : No fringe.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 06 Jun 2020 19:00:00 - 07 Jun 2020 04:05:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :26

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 38_036
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

19:58:25 : Started scan on 3C286 for ~ 4.83183 min.
20:09:47 : Started scan on 1517-243 for ~ 3.89231 min.
20:16:48 : Started scan on HD142301 for ~ 44.9629 min.
21:02:42 : Started scan on 1517-243 for ~ 3.89231 min.
21:09:45 : Started scan on HD142301 for ~ 45.0971 min.
21:55:39 : Started scan on 1626-298 for ~ 3.89231 min.
22:02:42 : Started scan on HD142301 for ~ 44.9629 min.
22:48:39 : Started scan on 1626-298 for ~ 3.89231 min.
22:55:50 : Started scan on HD142301 for ~ 45.0971 min.
23:41:57 : Started scan on 1626-298 for ~ 3.89231 min.
23:48:59 : Started scan on HD142301 for ~ 45.634 min.
00:35:27 : Started scan on 1626-298 for ~ 3.89231 min.
00:44:11 : Started scan on 3C286 for ~ 4.83183 min.
00:53:50 : Started scan on 1626-298 for ~ 3.89231 min.
01:01:01 : Started scan on HD142301 for ~ 45.0971 min.
01:46:57 : Started scan on 1626-298 for ~ 4.02653 min.
01:54:12 : Started scan on HD142301 for ~ 45.0971 min.
02:40:10 : Started scan on 1626-298 for ~ 3.89231 min.
02:47:26 : Started scan on HD142301 for ~ 38.5205 min.

03:36:02 : Source set below horizon, stopped command file.
03:28:04 : Started scan on 1626-298 for ~ 5.0 min.
03:33:10 : Stopped scan.
03:42:41 : Started scan on 3C48 for ~ 20 min.
04:03:00 : Stopped scan and observations closed.