GTAC Observation Log 1. Date : 07/11/2021 2. Observation Sr. No. : 13633 3. Observer : Miguel A Perez-Torres, Luis Peña, Mayank Narang, Manoj Puravankara, Jose-Francisco Gomez, Antonio Alberdi, Mayra Osorio, Pedro J. Amado, Guillem Anglada, Javier Moldon 4. Observer\'s Email : torres@iaa.es, luipenmon@gmail.com, mayank.narang@tifr.res.in, manoj.puravankara@tifr.res.in, jfg@iaa.es, antxon@iaa.es, osorio@iaa.es, pja@iaa.csic.es, guillem@iaa.es, jmoldon@iaa.es 5. Project Name : Probing star-planet interaction in nearby M-dwarf stars with Earth-sized planets 6. Project Code : 41_036 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/obs.py 9. LTA File : /gsbifrdata/07nov/41_036_07nov21_gsb.lta, /gwbifrdata/07nov/41_036_07nov21_gwb.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/TGC 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E05 : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 Nov 2021 09:00:00 - 07 Nov 2021 13:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_068 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- ----------------------------------------------------------------------- 09:32:16 : Started scan on 3C286 for ~ 10.2005 min. 09:44:04 : Started scan on 3C286 for ~ 5.18975 min. 09:54:12 : Started scan on GJ486 for ~ 30.0647 min. 10:30:53 : Started scan on 3C286 for ~ 5.18975 min. 10:42:36 : Started scan on GJ486 for ~ 30.2437 min. 11:19:19 : Started scan on 3C286 for ~ 1.78957 min. 11:25:06 : Started scan on 3C286 for ~ 5.01079 min. 11:43:08 : Started scan on GJ486 for ~ 30.2437 min. 12:22:49 : Started scan on 3C286 for ~ 5.18975 min. 12:31:08 : Started scan on GJ486 for ~ 30.0647 min. 13:04:41 : Started scan on OQ208 for ~ 5.18975 min. 13:11:47 : Started scan on 3C286 for ~ 10.0216 min. ----------------------------------------------------------------------- NOTE : During observation source and phase cal were transiting hence slewing took long time. From GMRT\'s perspective one source was on north and other was at south during transit.