GTAC Observation Log

1. Date : 01/03/2024
2. Observation Sr. No. : 16445
3. Observer : Nayana AJ, G.C. Anupama, Nirupam Roy, Dipankar Banerjee, KP Singh, U S Kamath, Sonith L.S
4. Observer\'s Email : nayan89deva@gmail.com, gca@iiap.res.in, roy.nirupam@gmail.com, orion@prl.res.in, kulinderpal@gmail.com, uskamath@iiap.res.in, sonith.ls@iiap.res.in
5. Project Name : uGMRT observations of one of the brightest radio novae - V1405\\\\\\\\,Cas in its 2021 outburst
6. Project Code : 45_081
7. Operator(s) : Navnath, Sachin, Surender
8. Command File : /data1/gtac/cmd/45_081/45_081_01Mar2024_1500_cmd.py
9. LTA File : /gsbifrdata/01mar/45_081_01mar2024_b3_gsb.lta, /gwbifrdata1/01mar/45_081_01mar2024_b3_gwb.lta
10. LogFlag File :  

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/TGC
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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
E04 : FE test.
W06 : RFI Test.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 01 Mar 2024 15:00:00 - 01 Mar 2024 17:00:00

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  	: 200.0000
GPU_FINAL_BW  	: 200
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  	: 45_081
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
--------------------------------
15:00:00 : Started setup.
15:00:00 : Started cmd file
 
      /data1/gtac/cmd/45_081/45_081_01Mar2024_1500_cmd.py

15:17:56 : Started scan on 3C48 for ~ 9.1268 min.
15:25:00 : E04 released for observation.
15:30:16 : Started scan on 2350+646 for ~ 5.10027 min.
15:36:58 : Started scan on V1405 for ~ 31.9438 min.
16:10:21 : Started scan on 2350+646 for ~ 5.23449 min.
16:16:43 : Started scan on V1405 for ~ 32.078 min.
16:50:08 : Started scan on 2350+646 for ~ 5.23449 min.
17:00:00 : Observation session closed.