GTAC Observation Log

1. Date : 19/05/2017
2. Observation Sr. No. : 9404
3. Observer : Paulo Cesar Freire, Yashwant Gupta, Alessandro Ridolfi
4. Observer's Email : pfreire@mpifr-bonn.mpg.de, ygupta@ncra.tifr.res.in, ridolfi@mpifr-bonn.mpg.de
5. Project Name : Determining the masses of the components of two binary pulsars
6. Project Code : 32_083
7. Operator(s) : Sachin, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/19may/32_083_19may2017.lta, /gwbifrdata1/19may/32_083_19may2017.lta
10. LogFlag File : /odisk/online1/logflags/32_083.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 : 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 :21

32. Name of Non-Working Antennas (with reason for each) :
C02 : : MCM 2 time-out.
C12 : : Servo Problem.
C13 : : Servo Problem.
E03 : : Servo Problem.
W01 : : Servo Problem.
W02 : : Servo Problem.
S01 : : Servo Problem.
C14 : : Taken for Mech Work.
W03 : : Taken for Mech Work.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 19 May 2017 16:00:00 - 19 May 2017 17:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :20

37. Comments (During Observations) :
# GSB GAC configuration is as follows : 
# BEAM-1:130 C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=13
# BEAM-1:175 C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=13
# BEAM-2:130 C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=13
# BEAM-2:175 C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=13
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RF selection :  Band-3  with 200 MHz BW in GWB LO = 500 MHz, 200 MHz LPF ==>   Final band : 500 to 300 MHz (LSB signal), OF attenuation of 12+12 dB

Backend settings : Interferometer in total intensity; 2048 channels; standard LTA integration; Pulsar mode : Beam1 - IA  &  Beam2 - PA  (both total intensity)
with data recording on gwbh7 & gwbh8;  2048 channels
& beam integration = 8  (sampling of 81.92 microsecond)

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# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=14
# BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=14
# BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=14
# BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 E02 S02 S03 Total=14
# BEAM-3:130 :: Total=0
# BEAM-3:175 :: Total=0
# BEAM-4:130 :: Total=0
# BEAM-4:175 :: Total=0
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15:05 : Started set-up.
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15:36:23 : Started scan on 0837-198 for ~ 4.26141 min.
15:43:28 : Power eq and Phasing done on 0837-198.
15:58:29 : Started scan on 0837-198 for ~ 1.04019 min.
16:02:25 : Started scan on J0520-2553 for ~ 3.28833 min.
16:07:59 : Started scan on J0514-4002A for ~ 40.2988 min.
16:17:00 : W04 ABC time-out.
16:54:06 : Started scan on J0520-2553 for ~ 3.28833 min.
17:00:00 : Stopped scan and observing session over.