GTAC Observation Log

1. Date : 11/02/2019
2. Observation Sr. No. : 10882
3. Observer : Bhaswati Bhattacharyya, Jayanta Roy, Ben Stappers, Michael Keith, Sally Cooper, Mateusz Malenta, Maura Ann McLaughlin, Paul Ray, Scott M. Ransom, Jayaram Narayanan Chengalur, Andrew Lyne, Sanjay S. Kudale, Balpreet Kaur
4. Observer's Email : bhaswati@ncra.tifr.res.in, jroy@ncra.tifr.res.in, Ben.Stappers@manchester.ac.uk, mkeith@pulsarastronomy.net, sally.cooper@postgrad.manchester.ac.uk, mateusz.malenta@student.manchester.ac.uk, maura.mclaughlin@mail.wvu.edu, paul.ray@nrl.navy.mil, sransom@nrao.edu, chengalur@ncra.tifr.res.in, andrew.lyne@manchester.ac.uk, ksanjay@gmrt.ncra.tifr.res.in, simpy9726@gmail.com
5. Project Name : Follow up study of pulsars discovered in the GMRT High Resolution Southern Sky (GHRSS) survey
6. Project Code : 35_047
7. Operator(s) : Sachin
8. Command File : /odisk/gtac/cmd/jroy/35_047_11feb.cmd
9. LTA File : /gsbifrdata/11feb/35_047_11feb19_gsb.lta, /gwbifrdata1/11feb/35_047_11feb2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/35_047.FLAGS

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
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : PA
22. Beam - 2 : PA
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
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) :
C11 : Taken for maintenance.
S02 : Taken for maintenance.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 11 Feb 2019 13:00:00 - 11 Feb 2019 14:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20
# BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20
# BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20
# BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20
# BEAM-3:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20
# BEAM-3:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20
# BEAM-4:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20
# BEAM-4:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=20


# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=19
# BEAM-1:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=19
# BEAM-2:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=19
# BEAM-2:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 S01 S03 W01 W02 W03 Total=19


Note : C01 was removed from GAC but left in GWB GAC since it was under observation. But fortunately it did not give problem.

12:51:50 : Started scan on 2225-049 for ~ 4.42918 min.
12:56:46 : Started scan on 2225-049 for ~ 0.671088 min.
13:00:32 : Started scan on J2144-5237 for ~ 59.492 min.
14:00 : Closed observation session.