GTAC Observation Log

1. Date : 01/08/2021
2. Observation Sr. No. : 13351
3. Observer : Sonalika Purkayastha, Nissim Kanekar, Sangeeta Malhotra, James Ely Rhoads, Jayaram Narayanan Chengalur
4. Observer\'s Email : spurkayastha@ncra.tifr.res.in, nkanekar@ncra.tifr.res.in, Sangeeta.Malhotra@nasa.gov, James.E.Rhoads@nasa.gov, chengalur@ncra.tifr.res.in
5. Project Name : HI 21 cm emission from a nearby companion of the Green Pea galaxy GP1624-0022.
6. Project Code : ddtC175
7. Operator(s) : Deepak, Rupsing, Shriram, Surender
8. Command File : /data1/gtac/cmd/nissim/obs_ddt175_31jul.py
9. LTA File : /gsbifrdata1/31jul/ddtc175_31jul21_gsb.lta, /gwbifrdata2/31jul/ddtc175_31jul21_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1384 MHz ,RF2 : 1384 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1445 MHz, ILO2 : 1445MHz , IVLO1 : 61 MHz, IVLO2 : 61 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/TGC
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 139
28. LO5 -2  : 166

29. Frequency Parameters (TPA) : 1384 1384 1445 1445 61 61
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 31 Jul 2021 16:00:00 - 01 Aug 2021 00:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100
GPU_FINAL_BW  	: 100
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 1430  1430
GPU_DDCLO4  	: 0.000000  0.000000
GPU_SB4  	: -1 -1
GCODE4  	: DDTC175
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------
16:00 : Started settings.
16:30 : Power equalized on 3C286 and line setup done.
16:32 : Started command file,
       \'/data1/gtac/cmd/nissim/obs_ddt175_31jul.py\'

--------------------------------------------------------------------
00:01 : Stopped command file and observation closed.