GTAC Observation Log

1. Date : 25/11/2018
2. Observation Sr. No. : 10680
3. Observer : Konstantinos Kolokythas, Ewan O`Sullivan, Somak Raychaudhury, Mamta Pandey-Pommier, Aditya JNHS
4. Observer's Email : kkolok@iucaa.in, eosullivan@cfa.harvard.edu, somak@iucaa.in, mamtapan@gmail.com, adityaj@iucaa.in
5. Project Name : %latex%Cold atomic gas in the dominant galaxies of X-ray bright groups
6. Project Code : 35_054
7. Operator(s) : Navnath, Nilesh
8. Command File : /odisk/gtac/cmd/35_054/obs.txt
9. LTA File : /gsbifrdata1/24nov/35_054_24nov2018.lta.1, /gsbifrdata1/24nov/35_054_24nov2018.lta, /gwbifrdata2/24nov/35_054_24nov2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2967, /odisk/online1/logflags/35_054.FLAGS.2, /odisk/online1/logflags/35_054.FLAGS.1, /odisk/online1/logflags/35_054.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1396.8601 MHz ,RF2 : 1396.8601 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1335 MHz, ILO2 : 1335MHz , IVLO1 : 61.8601 MHz, IVLO2 : 61.8601 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz
24. Final BW : 4 MHz; Step # 1
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 138.1399
28. LO5 -2  : 166.8601

29. Frequency Parameters (TPA) : 1396.8601 1396.8601 1335 1335 61.8601 61.8601
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) :
W01 : No Fringe.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 24 Nov 2018 20:00:00 - 25 Nov 2018 05:55:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
20:00 : Started settings.

------------GSB Setting---------
GSB_MODE 	: Realtime
GSB_LTA 	: 8
GSB_ACQ_BW 	: 16.666666
GSB_FINAL_BW 	: 4
GSB_EDGE_FRQ 	: 1
GSB_CHAN_MAX 	: 512
GSB_CHAN_NUM 	: 0:511:1
GSB_STOKES 	: Total_Intensity
GSB_CNTRL 	: ONLINE
GSB_FSTOP 	: ON
GSB_BEAM_1 	: OFF
GSB_BEAM_2 	: OFF
GSB_GAINEQ 	: ON
GSB_BB_LO 	: 138.1399:166.8601
GSB_HOSTS 	: gsbm1_shivneri
undefined 	: OFF
undefined 	: 306
--------------------------------

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 6.2500
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 53.7650  53.7650
GPU_SB4  	: 1 1
GCODE4  	: 35_054
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  	: 32
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

::::::::::::::
gsb_line_setup.txt
::::::::::::::
GSB line observation setup
RF band= 1390 (1330 - 1450)
LO1= 1335 (lower)
IFBW= 6
GSB [ACQ] BW= 16.6666
Total Channel= 512

Line/Center Frequency= 1403.11
CH#[0]= 1405.1933
CH#[512]= 1401.0267
BW= -4.1666
CW= 8.14 (KHz.)

Digital SubBand/step#= 1
GSB_CONFIG LO5= 138.1399  166.8601
LTA_FILE   L05= 129.8067  175.1933
BASE_BAND  LO4= 61.8601  61.8601
tpa 1396.8601 1396.8601 1335 1335 61.8601 61.8601


::::::::::::::
gwb_line_setup.txt
::::::::::::::
GABLO(MHz)      = 1460
DDCLO(MHz)      = 53.875
SIDEBAND_FLAG   = LSB (+1)

ACQ_BW(MHz)     = 100
FINAL_BW(MHz)   = 6.25
DDC             = ON (1)
DECIMATE        = 16

TOTAL CHAN      = 2048
CHAN WIDTH(KHz) = 3.0517578125

START_FREQ(MHz) = 1406.125
LINE_FREQ(MHz)  = 1403 (at Channel = 1024)
STOP_FREQ(MHz)  = 1399.875

------------------------------------------------------

20:32:00 : Started scan on 3C48 for ~ 7.51619 min.

20:40 : Changed antenna track to inner track. [sources before transit and around 0d Declination]

20:53 : Started command file with a scan from Phase cal.
            /odisk/gtac/cmd/35_054/obs.txt

20:55:47 : Started scan on 0503+020 for ~ 5.63714 min.
21:02:33 : Started scan on NGC1587 for ~ 59.861 min.
22:03:19 : Started scan on 0503+020 for ~ 5.63714 min.
22:10:13 : Started scan on NGC1587 for ~ 59.861 min.
23:10:58 : Started scan on 0503+020 for ~ 5.63714 min.
23:17:48 : Started scan on NGC1587 for ~ 59.861 min.
00:22:42 : Started scan on 3C147 for ~ 7.78462 min.
00:35:12 : Started scan on 0503+020 for ~ 5.3687 min.
00:42:23 : Started scan on NGC1587 for ~ 59.861 min.
01:43:33 : Started scan on 0503+020 for ~ 5.63714 min.
01:50:36 : Started scan on NGC1587 for ~ 59.861 min.
02:51:20 : Started scan on 0503+020 for ~ 5.90557 min.
02:58:13 : Started scan on NGC1587 for ~ 59.861 min.
03:59:10 : Started scan on 0503+020 for ~ 5.90557 min.
04:06:00 : Started scan on NGC1587 for ~ 59.5926 min.
05:06:47 : Started scan on 0503+020 for ~ 5.63714 min.
05:13:40 : Started scan on NGC1587 for ~ 18.522 min.
05:34:44 : Started scan on 3C147 for ~ 18.2536 min.
05:55:00 : Observation session over.