GTAC Observation Log

1. Date : 22/09/2020
2. Observation Sr. No. : 12452
3. Observer : Marisa Brienza, Kamlesh Rajpurohit, Annalisa Bonafede, Matteo Murgia, Franco Vazza, Francesca Loi
4. Observer\'s Email : m.brienza@ira.inaf.it, kamlesh.rajpurohit@unibo.it, a.bonafede@ira.inaf.it, matteo@oa-cagliari.inaf.it, f.vazza@jacobs-university.de, francesca.loi@inaf.it
5. Project Name : The interplay between AGN remnant plasma and the intracluster medium
6. Project Code : 38_023
7. Operator(s) : Deepak, Rupsing, Shilpa, Shriram, Surender
8. Command File : /data1/gtac/cmd/38_023/22sep/obs.py
9. LTA File : /gsbifrdata1/22sep/38_023_22sep2020_gsb.lta, /gwbifrdata2/22sep/38_023_22sep2020_gwb.lta
10. LogFlag File :  

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 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 591 591 540 540 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C13 : Applied elevation brakes.
S03 : Taken for mechanical maintenance.
S04 : Taken for maintenance (Servo)
C10 : No fringe in 175 pol.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 22 Sep 2020 11:00:00 - 22 Sep 2020 22:15:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
gsb_beam2_dataserver,node_34
bandmask,3
gpu_beam4_dataserver,gwbh10
GSB_LTA,8
GPU_FSTOP,1
GPU_PFB,0
GPU_FILRFI,0
GSB_CHAN_NUM,0:255:1
GSB_ACQ_BW,33.333333
GPU_BEAM_1,0:1
GSB_FINAL_BW,0
GPU_PFB_TAPS,16
GSB_ENV,1
gpu_ifr_dataserver,gwbh6
gpu_beam3_dataserver,gwbh9
GPU_CHAN_NUM,0:4095:1
GSB_HOSTS,0
GPU_BEAM_S,0
gsb_ifr_dataserver,gsbm4
GSB_STOKES,4
GPU_DDC,0
GSB_CNTRL,1
GPU_CNTRL,1
gpu_beam2_dataserver,gwbh8
GPU_GAINEQ,1
gsb_beam1_dataserver,node_33
GPU_EDGE_FRQ,0
GSB_BEAM_1,0:1
GPU_BM_INT,32
GSB_BEAM_2,0:1
GPU_BEAM_3,0:1
GPU_BEAM_2,0:4
GSB_FSTOP,1
GPU_CHAN_MAX,4096
GPU_BEAM_4,0:4
corrmask,8
GPU_ENV,1
antennamask,3fffffff
GPU_HOSTS,2
GPU_MODE,0
GPU_STOKES,4
GSB_GAINEQ,1
GSB_CD_MODE,0
GSB_CHAN_MAX,256
GPU_TPA,0
GPU_ACQ_BW,400.0000
GPU_LTA,4
GSB_BB_LO,149000000.0:156000000.0
GSB_MODE,0
GPU_FINAL_BW,1
gpu_beam1_dataserver,gwbh7
GPU_BITS,4
-------------------------------------------------------------------------
11:35:51 : Started scan on 3C286 for ~ 8.14253 min.
11:47:33 : Started Command file,
         \'/data1/gtac/cmd/38_023/22sep/obs.py\'
------------------------------------------------------------------------
14:02: South arm power fail.
------------------------------------------------------------------------
16:15 : W05 servo problem
17:44 : W05 started working.
------------------------------------------------------------------------
17:00 : S-arm started working
------------------------------------------------------------------------
17:00 : S03 released for observation.
------------------------------------------------------------------------
21:54 : Stopped command file.
22:02 : Started scan on 3C48.
22:12 : Stopped scan and observation closed.