GTAC Observation Log

1. Date : 18/03/2017
2. Observation Sr. No. : 9266
3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Manjari Bagchi, Sushan Konar, Niruj Mohan, Poonam Chandra, Mayuresh Surnis, Gopakumar Achamveedu, Debades Bandyopadhyay, Dipankar Bhattacharya, Avinash Anant Deshpande, Biprateep Dey, Vishal R Gajjar, Sanjay S. Kudale, Yogesh Maan, Chandreyee Maitra, Nikhil Vijay Naik, Sachindra Naik, Paramasivan Arumugam, Alak Ray
4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, sushan@ncra.tifr.res.in, mohan@ncra.tifr.res.in, poonam@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, gopu.tifr@gmail.com, debades.bandyopadhyay@saha.ac.in, dipankar@iucaa.in, desh@rri.res.in, biprateep.d@niser.ac.in, gajjar@ncra.tifr.res.in, ksanjay@gmrt.ncra.tifr.res.in, maan@astron.nl, chandreyeee@gmail.com, naiknikhil27@gmail.com, snaik.prl@gmail.com, p.arumugam@gmail.com, akr@tifr.res.in
5. Project Name : Survey for Pulsars and Fast Transients with the upgraded GMRT : A Pilot Study  
6. Project Code : 31_058
7. Operator(s) : Nilesh, Pramod
8. Command File : /odisk/gtac/cmd/31_058/31_058_2017-03-18_Part1.cmd, /odisk/gtac/cmd/31_058/31_058_2017-03-18_Part2.cmd, /odisk/gtac/cmd/31_058/31_058_2017-03-18_Part3.cmd, /odisk/gtac/cmd/31_058/31_058_2017-03-18_Part4.cmd, /odisk/gtac/cmd/31_058/31_058_2017-03-18_Part5.
9. LTA File : /gsbifrdata1/18mar/31_058_18mar2017.lta
10. LogFlag File : /odisk/online1/logflags/31_058.FLAGS.11

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
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) :
C02 : Servo problem.
W03 : Taken for mechanical work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Mar 2017 04:00:00 - 18 Mar 2017 13:10:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
GWB4.4 set up :
 Beam 1 : IA
 Beam 2 : IA   Mode : Total Intensity 
 Chan : 2048 Acq. BW. : 200

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C03 C04 C06 C09 C11 C13 E02 E05 S01 S04 W01 W02 W04 W06 Total=16
# BEAM-1:175 :: C00 C01 C03 C04 C06 C09 C11 C13 E02 E05 S01 S04 W01 W02 W04 W06 Total=16
# BEAM-2:130 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=28
# BEAM-2:175 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=28

---------------------------------------------------------------------------
04:00 : Started set up.
04:15 : Power equalized done on 3C286.
04:28:43 : Started scan on B1604-00 for ~ 2.01326 min.
04:35:15 : Started scan on 1822-096 for ~ 2.01326 min.
04:38 : Started command file.
/odisk/gtac/cmd/31_058/31_058_2017-03-18_Part1.cmd
06:18 : Stopped command file.
06:25 : Started next command file.
 '/odisk/gtac/cmd/31_058/31_058_2017-03-18_Part2.cmd'

08:28 : Started command file.
 '/odisk/gtac/cmd/31_058/part1b.cmd' (Poniting No.1 from Part 1 file)
08:40 :  Started command file.
 '/odisk/gtac/cmd/31_058/31_058_2017-03-18_Part3.cmd'

09:24 : E03 removed from GWB GAC Beam-2, taken out for painting.
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C03 C04 C06 C09 C11 C13 E02 E05 S01 S04 W01 W02 W04 W06 Total=16
# BEAM-1:175 :: C00 C01 C03 C04 C06 C09 C11 C13 E02 E05 S01 S04 W01 W02 W04 W06 Total=16
# BEAM-2:130 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=27
# BEAM-2:175 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=27

11:02 : Stopped command file, and started next command file.
 '/odisk/gtac/cmd/31_058/31_058_2017-03-18_Part4.cmd'
12:01 : Stopped command file, and started next command file.
 '/odisk/gtac/cmd/31_058/31_058_2017-03-18_Part5.cmd'

13:02 : Source set, stopped command file.
13:03 : Started scan on B1923+04 for ~ 5 min.
13:09 : Stopped scan and observation closed.