GTAC Observation Log

1. Date : 13/11/2020
2. Observation Sr. No. : 12571
3. Observer : Kamlesh Rajpurohit, franco vazza, Annalisa Bonafede, Reinout Johannes vanWeeren, Denis Wittor, Marisa Brienza, Chiara Stuardi, Christopher John Riseley, Matthias Hoeft, Andrea Botteon, Duy N. Hoang, Etienne Bonnassieux, Arvind Singh Rajpurohit, Daniele Dallacasa, Nicola Locatelli, Biava
4. Observer\'s Email : kamlesh.rajpurohit@unibo.it, franco.vazza2@unibo.it, a.bonafede@ira.inaf.it, rvweeren@strw.leidenuniv.nl, dwittor@hs.uni-hamburg.de, m.brienza@ira.inaf.it, chiara.stuardi140@edu.unito.it, chris.riseley.astro@gmail.com, hoeft@tls-tautenburg.de, botteon@strw.leidenuniv.nl, hoang@hs.uni-hamburg.de, etienne.bonnassieux@unibo.it, arvindr@prl.res.in, daniele.dallacasa@unibo.it, locatelli@ira.inaf.it, nadia.biava2@unibo.it
5. Project Name : Uncovering the origin of an under-luminous relic residing in the low-mass galaxy cluster CIZA J0649.3\\\\+1801
6. Project Code : 39_020
7. Operator(s) : Shriram
8. Command File : /data1/gtac/cmd/39_020_13nov20.py
9. LTA File : /gsbifrdata1/13nov/39_020_13nov2020_gsb.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+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) : 591 591 540 540 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W06 : Low fringe in GWB
C11 : LMC not pinging

33. Note for Backup :

34. Start and End Time of Obs.(IST): 13 Nov 2020 01:00:00 - 13 Nov 2020 07:16:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :27

37. RFI Status :

38. Comments (During Observations) :
----------GSB/GWB settings.-----------------------------------------------
GPU_BEAM_3,0:1
GPU_BEAM_2,0:1
GSB_FSTOP,1
GSB_LTA,8
GPU_FSTOP,1
GPU_CHAN_MAX,4096
GPU_BEAM_4,0:1
GSB_EDGE_FRQ,0
GPU_FILRFI,0
GSB_CHAN_NUM,0:255:1
GPU_HOSTS,2
GSB_ACQ_BW,33.333333
GSB_GAINEQ,1
GPU_CNTRL,1
GPU_PFB_TAPS,16
GSB_ENV,1
GPU_ENV,1
GPU_CHAN_NUM,0:4095:1
GPU_PFB,0
GPU_MODE,0
GSB_HOSTS,0
GPU_STOKES,4
GSB_STOKES,4
GSB_CD_MODE,0
GPU_BM_INT,8
GPU_DDC,0
GSB_CHAN_MAX,256
GPU_TPA,0
GPU_ACQ_BW,200.0000
GSB_CNTRL,1
GSB_FINAL_BW,0
GPU_GAINEQ,1
GSB_BB_LO,149000000:156000000
GPU_BEAM_1,0:1
GSB_MODE,0
GPU_BEAM_S,0
GPU_EDGE_FRQ,0
GPU_FINAL_BW,1
GSB_BEAM_1,0:1
GPU_LTA,4
GSB_BEAM_2,0:1
BANDMASK,3
GPU_BEAM4_DATASERVER,gwbh10
CORRMASK,8
ANTENNAMASK,3fffffff
GPU_BEAM1_DATASERVER,gwbh7
GPU_IFR_DATASERVER,gwbh6
GSB_IFR_DATASERVER,gsbm4
------------------------------------------------------------------------
01:00 : Started setup
01:20 : Started scan on 3C48~ 7 min.
01:27 : slewing to 3C138
        scan 1 and 2 bad
------------------------------------------------------------------------
01:44 : Started scan on 3C138~ 8min.
01:55 : Started command file,
       \'/data1/gtac/cmd/39_020_13nov20.py\'

03:30 : Command file stopped as source transiting in 19 min.
        (Dec +17 and +18 degrees)
-----------------------------------------------------------------------
03:33 : Scan stopped on phase cal.
03:36 : As flux cal is more than 200 deg away. Started scan on 0700+171.       
------------------------------------------------------------------------
03:48 : Restarted command file.
07:00 : Stopped command file
07:07 : Started scan on 3C286.
07:16 : Scan stopped and observing session over