! Started logfile: /vlbi/bp222/maps//J2131-2036_X_dfm.log on Mon Jan 14 17:20:39 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/bp222/maps//J2131-2036_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2131-2036_X_uvm.fits ! AN table 1: 23 integrations on 36 of 36 possible baselines. ! AN table 2: 92 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.869859 visibilities/baseline/integration-bin. ! Found source: J2131-2036 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 35532 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J2131-2036_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 72 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.004779Jy sigma=13.851561 ! Fit after self-cal, rms=0.954747Jy sigma=13.136060 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6711 mas, bmaj=1.95 mas, bpa=-13.06 degrees ! Estimated noise=0.562082 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0314746 Jy ! Component: 100 - total flux cleaned = 0.0420909 Jy ! Total flux subtracted in 100 components = 0.0420909 Jy ! Clean residual min=-0.004630 max=0.006893 Jy/beam ! Clean residual mean=0.000006 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 0.0420909 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0420909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.075776Jy sigma=0.981340 ! Fit after self-cal, rms=0.074587Jy sigma=0.965138 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9132 mas, bmaj=2.627 mas, bpa=-13.73 degrees ! Estimated noise=0.283959 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0150753 Jy ! Component: 100 - total flux cleaned = 0.0230545 Jy ! Component: 150 - total flux cleaned = 0.0274813 Jy ! Component: 200 - total flux cleaned = 0.0296478 Jy ! Total flux subtracted in 200 components = 0.0296478 Jy ! Clean residual min=-0.006543 max=0.012784 Jy/beam ! Clean residual mean=-0.000035 rms=0.002622 Jy/beam ! Combined flux in latest and established models = 0.0717387 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 29 components and 0.0717387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071798Jy sigma=0.920983 ! Fit after self-cal, rms=0.071708Jy sigma=0.918944 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9132 x 2.627 at -13.73 degrees (North through East) ! Clean map min=-0.0066374 max=0.042459 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.63 FD 1.94 KP 1.13 LA 0.60 ! MK 1.22 NL 1.58 OV 1.68 PT 0.63 ! SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.42 FD 1.34 HN 1.50 LA 0.66 ! MK 1.37 NL 1.44 OV 1.23 PT 0.65 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.50 FD 1.13 KP 0.91 LA 0.85 ! MK 1.21 NL 1.04 OV 1.55 PT 0.78 ! SC 1.29 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.41 FD 1.40 HN 1.35 LA 0.64 ! MK 1.53 NL 1.45 OV 1.26 PT 0.68 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.50 FD 1.09 KP 1.00 LA 0.85 ! MK 1.47 NL 0.90 OV 1.57 PT 0.88 ! SC 1.35 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.24 FD 1.24 HN 1.33 LA 0.69 ! MK 1.36 NL 1.47 OV 1.20 PT 0.68 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.82 FD 0.98 KP 0.89 LA 0.83 ! MK 1.26 NL 1.04 OV 1.76 PT 0.81 ! SC 1.11 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.32 FD 1.33 HN 1.33 LA 0.67 ! MK 1.32 NL 1.41 OV 1.19 PT 0.69 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.54 FD 1.03 KP 0.87 LA 0.84 ! MK 1.40 NL 1.08 OV 1.59 PT 0.76 ! SC 1.33 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.29 FD 1.40 HN 1.34 LA 0.66 ! MK 1.18 NL 1.38 OV 1.23 PT 0.71 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.47 FD 1.00 KP 0.86 LA 0.90 ! MK 1.02 NL 1.00 OV 1.72 PT 0.83 ! SC 1.24 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.26 FD 1.38 HN 1.41 LA 0.66 ! MK 1.26 NL 1.51 OV 1.20 PT 0.69 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.64 FD 0.99 KP 0.89 LA 0.83 ! MK 1.17 NL 1.04 OV 1.46 PT 0.76 ! SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.36 FD 1.37 HN 1.23 LA 0.65 ! MK 1.35 NL 1.37 OV 1.26 PT 0.69 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.29 FD 0.91 KP 0.87 LA 0.92 ! MK 0.99 NL 0.94 OV 1.47 PT 0.88 ! SC 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.32 FD 1.36 HN 1.14 LA 0.69 ! MK 1.19 NL 1.28 OV 1.19 PT 0.70 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.92 KP 0.98 LA 0.93 ! MK 1.19 NL 0.93 OV 1.50 PT 0.82 ! SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.21 FD 1.42 HN 1.09 LA 0.69 ! MK 1.18 NL 1.33 OV 1.24 PT 0.72 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.30 FD 0.93 KP 0.87 LA 0.88 ! MK 1.25 NL 0.95 OV 1.68 PT 0.85 ! SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.24 FD 1.45 HN 1.06 LA 0.70 ! MK 1.12 NL 1.35 OV 1.19 PT 0.70 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.92 KP 0.85 LA 0.88 ! MK 1.11 NL 0.94 OV 1.51 PT 0.78 ! SC 1.28 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.13 FD 1.32 HN 1.11 LA 0.69 ! MK 0.99 NL 1.28 OV 1.29 PT 0.69 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.85 KP 0.92 LA 0.96 ! MK 0.79 NL 0.93 OV 1.41 PT 1.02 ! SC 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.18 FD 1.36 HN 0.81 LA 0.70 ! MK 0.88 NL 1.27 OV 1.24 PT 0.68 ! ! ! Fit before self-cal, rms=0.071708Jy sigma=0.918944 ! Fit after self-cal, rms=0.090974Jy sigma=0.879451 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9753 mas, bmaj=2.795 mas, bpa=-13.5 degrees ! Estimated noise=0.311273 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-15.4, 20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00955813 Jy ! Component: 100 - total flux cleaned = 0.0138815 Jy ! Component: 150 - total flux cleaned = 0.0162295 Jy ! Component: 200 - total flux cleaned = 0.0168986 Jy ! Total flux subtracted in 200 components = 0.0168986 Jy ! Clean residual min=-0.004890 max=0.006337 Jy/beam ! Clean residual mean=0.000003 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 0.0886373 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 61 components and 0.0886373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.090002Jy sigma=0.863072 ! Fit after self-cal, rms=0.091071Jy sigma=0.847993 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.091071Jy sigma=0.847993 ! Fit after self-cal, rms=0.086984Jy sigma=0.842683 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.966 mas, bmaj=2.794 mas, bpa=-13.68 degrees ! Estimated noise=0.308997 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00543251 Jy ! Component: 100 - total flux cleaned = 0.00766684 Jy ! Component: 150 - total flux cleaned = 0.00802386 Jy ! Component: 200 - total flux cleaned = 0.00793516 Jy ! Total flux subtracted in 200 components = 0.00793516 Jy ! Clean residual min=-0.003549 max=0.005092 Jy/beam ! Clean residual mean=-0.000006 rms=0.001086 Jy/beam ! Combined flux in latest and established models = 0.0965725 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 0.0965725 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.086626Jy sigma=0.837398 ! Fit after self-cal, rms=0.086292Jy sigma=0.834817 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (6.8, -5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00443622 Jy ! Component: 100 - total flux cleaned = 0.00675136 Jy ! Component: 150 - total flux cleaned = 0.00726912 Jy ! Component: 200 - total flux cleaned = 0.00749654 Jy ! Total flux subtracted in 200 components = 0.00749654 Jy ! Clean residual min=-0.003572 max=0.003970 Jy/beam ! Clean residual mean=0.000000 rms=0.001023 Jy/beam ! Combined flux in latest and established models = 0.104069 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 92 components and 0.104069 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.085960Jy sigma=0.830912 ! Fit after self-cal, rms=0.085840Jy sigma=0.829924 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.085840Jy sigma=0.829924 ! Fit after self-cal, rms=0.082122Jy sigma=0.823460 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9621 mas, bmaj=2.784 mas, bpa=-13.76 degrees ! Estimated noise=0.302251 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0029333 Jy ! Component: 100 - total flux cleaned = 0.00446407 Jy ! Component: 150 - total flux cleaned = 0.00545719 Jy ! Component: 200 - total flux cleaned = 0.00627412 Jy ! Total flux subtracted in 200 components = 0.00627412 Jy ! Clean residual min=-0.002934 max=0.004174 Jy/beam ! Clean residual mean=-0.000008 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.110343 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 111 components and 0.110343 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.081941Jy sigma=0.820034 ! Fit after self-cal, rms=0.081797Jy sigma=0.818898 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00438564 Jy ! Component: 100 - total flux cleaned = 0.00559624 Jy ! Component: 150 - total flux cleaned = 0.00567189 Jy ! Component: 200 - total flux cleaned = 0.00581091 Jy ! Total flux subtracted in 200 components = 0.00581091 Jy ! Clean residual min=-0.002653 max=0.003316 Jy/beam ! Clean residual mean=-0.000003 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 0.116154 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 137 components and 0.116154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.081528Jy sigma=0.814491 ! Fit after self-cal, rms=0.081378Jy sigma=0.813412 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.081378Jy sigma=0.813412 ! Fit after self-cal, rms=0.076162Jy sigma=0.811485 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.389 mas, bmaj=5.604 mas, bpa=-1.087 degrees ! Estimated noise=0.327607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00410795 Jy ! Component: 100 - total flux cleaned = 0.00518292 Jy ! Component: 150 - total flux cleaned = 0.00558562 Jy ! Component: 200 - total flux cleaned = 0.00585864 Jy ! Total flux subtracted in 200 components = 0.00585864 Jy ! Clean residual min=-0.003198 max=0.004146 Jy/beam ! Clean residual mean=-0.000007 rms=0.000922 Jy/beam ! Combined flux in latest and established models = 0.122013 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 156 components and 0.122013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.076038Jy sigma=0.808939 ! Fit after self-cal, rms=0.075833Jy sigma=0.807603 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00183134 Jy ! Component: 100 - total flux cleaned = 0.00211774 Jy ! Component: 150 - total flux cleaned = 0.00218169 Jy ! Component: 200 - total flux cleaned = 0.00218221 Jy ! Total flux subtracted in 200 components = 0.00218221 Jy ! Clean residual min=-0.003187 max=0.003379 Jy/beam ! Clean residual mean=-0.000005 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 0.124195 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 163 components and 0.124195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.075769Jy sigma=0.806607 ! Fit after self-cal, rms=0.075687Jy sigma=0.806119 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.9536 mas, bmaj=2.759 mas, bpa=-13.65 degrees ! Estimated noise=0.29194 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9536 x 2.759 at -13.65 degrees (North through East) ! Clean map min=-0.0022145 max=0.042411 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6867 mas, bmaj=2 mas, bpa=-12.97 degrees ! Estimated noise=0.607027 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0330534 Jy ! Component: 100 - total flux cleaned = 0.0476634 Jy ! Component: 150 - total flux cleaned = 0.0582898 Jy ! Component: 200 - total flux cleaned = 0.0666092 Jy ! Total flux subtracted in 200 components = 0.0666092 Jy ! Clean residual min=-0.004272 max=0.005254 Jy/beam ! Clean residual mean=-0.000001 rms=0.001097 Jy/beam ! Combined flux in latest and established models = 0.0666091 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0666091 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9536 mas, bmaj=2.759 mas, bpa=-13.65 degrees ! Estimated noise=0.29194 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120046 Jy ! Component: 100 - total flux cleaned = 0.0210034 Jy ! Component: 150 - total flux cleaned = 0.0281361 Jy ! Component: 200 - total flux cleaned = 0.0339274 Jy ! Total flux subtracted in 200 components = 0.0339274 Jy ! Clean residual min=-0.004024 max=0.004827 Jy/beam ! Clean residual mean=-0.000014 rms=0.001090 Jy/beam ! Combined flux in latest and established models = 0.100537 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 82 components and 0.100537 Jy ! Inverting map ! Added new window around map position (1.4, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00518527 Jy ! Component: 100 - total flux cleaned = 0.00928711 Jy ! Component: 150 - total flux cleaned = 0.0127134 Jy ! Component: 200 - total flux cleaned = 0.0156215 Jy ! Total flux subtracted in 200 components = 0.0156215 Jy ! Clean residual min=-0.002823 max=0.002964 Jy/beam ! Clean residual mean=-0.000007 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 0.116158 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 121 components and 0.116158 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.389 mas, bmaj=5.604 mas, bpa=-1.087 degrees ! Estimated noise=0.327607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00380112 Jy ! Component: 100 - total flux cleaned = 0.00590688 Jy ! Component: 150 - total flux cleaned = 0.00687923 Jy ! Component: 200 - total flux cleaned = 0.00747992 Jy ! Total flux subtracted in 200 components = 0.00747992 Jy ! Clean residual min=-0.003140 max=0.003117 Jy/beam ! Clean residual mean=-0.000003 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.123638 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000380348 Jy ! Component: 100 - total flux cleaned = 0.000723187 Jy ! Component: 150 - total flux cleaned = 0.000976372 Jy ! Component: 200 - total flux cleaned = 0.00115181 Jy ! Total flux subtracted in 200 components = 0.00115181 Jy ! Clean residual min=-0.003096 max=0.002950 Jy/beam ! Clean residual mean=-0.000001 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.12479 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 168 components and 0.12479 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9536 mas, bmaj=2.759 mas, bpa=-13.65 degrees ! Estimated noise=0.29194 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000283709 Jy ! Component: 100 - total flux cleaned = 0.000557455 Jy ! Component: 150 - total flux cleaned = 0.000710345 Jy ! Component: 200 - total flux cleaned = 0.000757476 Jy ! Total flux subtracted in 200 components = 0.000757476 Jy ! Clean residual min=-0.002322 max=0.002256 Jy/beam ! Clean residual mean=-0.000000 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 0.125547 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 197 components and 0.125547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.075530Jy sigma=0.803919 ! Fit after self-cal, rms=0.075363Jy sigma=0.802708 wmodel J2131-2036_X_map.mod ! Writing 197 model components to file: J2131-2036_X_map.mod wobs J2131-2036_X_uvs.fits ! Writing UV FITS file: J2131-2036_X_uvs.fits wwins J2131-2036_X_map.win ! wwins: Wrote 5 windows to J2131-2036_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000295625 Jy ! Component: 100 - total flux cleaned = 0.0006083 Jy ! Component: 150 - total flux cleaned = 0.000754627 Jy ! Component: 200 - total flux cleaned = 0.000753632 Jy ! Component: 250 - total flux cleaned = 0.00078535 Jy ! Component: 300 - total flux cleaned = 0.000881679 Jy ! Component: 350 - total flux cleaned = 0.00109989 Jy ! Component: 400 - total flux cleaned = 0.00110025 Jy ! Component: 450 - total flux cleaned = 0.00130689 Jy ! Component: 500 - total flux cleaned = 0.00142193 Jy ! Component: 550 - total flux cleaned = 0.00156266 Jy ! Component: 600 - total flux cleaned = 0.00161679 Jy ! Component: 650 - total flux cleaned = 0.00169653 Jy ! Component: 700 - total flux cleaned = 0.00174909 Jy ! Component: 750 - total flux cleaned = 0.00187873 Jy ! Component: 800 - total flux cleaned = 0.00205707 Jy ! Component: 850 - total flux cleaned = 0.00215731 Jy ! Component: 900 - total flux cleaned = 0.00230496 Jy ! Component: 950 - total flux cleaned = 0.00242601 Jy ! Component: 1000 - total flux cleaned = 0.00252205 Jy ! Component: 1050 - total flux cleaned = 0.0026866 Jy ! Component: 1100 - total flux cleaned = 0.00282571 Jy ! Component: 1150 - total flux cleaned = 0.00294007 Jy ! Component: 1200 - total flux cleaned = 0.00303053 Jy ! Component: 1250 - total flux cleaned = 0.00305302 Jy ! Component: 1300 - total flux cleaned = 0.00322944 Jy ! Component: 1350 - total flux cleaned = 0.00325178 Jy ! Component: 1400 - total flux cleaned = 0.00338044 Jy ! Component: 1450 - total flux cleaned = 0.00344397 Jy ! Component: 1500 - total flux cleaned = 0.00348573 Jy ! Component: 1550 - total flux cleaned = 0.00342352 Jy ! Component: 1600 - total flux cleaned = 0.00350516 Jy ! Component: 1650 - total flux cleaned = 0.003485 Jy ! Component: 1700 - total flux cleaned = 0.00348531 Jy ! Component: 1750 - total flux cleaned = 0.00344583 Jy ! Component: 1800 - total flux cleaned = 0.00348542 Jy ! Component: 1850 - total flux cleaned = 0.00352444 Jy ! Component: 1900 - total flux cleaned = 0.00350478 Jy ! Component: 1950 - total flux cleaned = 0.00356214 Jy ! Component: 2000 - total flux cleaned = 0.00356213 Jy ! Component: 2050 - total flux cleaned = 0.00361825 Jy ! Component: 2100 - total flux cleaned = 0.00363692 Jy ! Component: 2150 - total flux cleaned = 0.00361846 Jy ! Component: 2200 - total flux cleaned = 0.00361847 Jy ! Component: 2250 - total flux cleaned = 0.00361828 Jy ! Component: 2300 - total flux cleaned = 0.00356442 Jy ! Component: 2350 - total flux cleaned = 0.00359997 Jy ! Component: 2400 - total flux cleaned = 0.00366985 Jy ! Component: 2450 - total flux cleaned = 0.00354778 Jy ! Component: 2500 - total flux cleaned = 0.00354777 Jy ! Component: 2550 - total flux cleaned = 0.00354758 Jy ! Component: 2600 - total flux cleaned = 0.00353066 Jy ! Component: 2650 - total flux cleaned = 0.00351367 Jy ! Component: 2700 - total flux cleaned = 0.00353049 Jy ! Component: 2750 - total flux cleaned = 0.00348088 Jy ! Component: 2800 - total flux cleaned = 0.00346434 Jy ! Component: 2850 - total flux cleaned = 0.00351316 Jy ! Component: 2900 - total flux cleaned = 0.00344845 Jy ! Component: 2950 - total flux cleaned = 0.00348047 Jy ! Component: 3000 - total flux cleaned = 0.00343272 Jy ! Component: 3050 - total flux cleaned = 0.0034325 Jy ! Component: 3100 - total flux cleaned = 0.00343243 Jy ! Component: 3150 - total flux cleaned = 0.00338573 Jy ! Component: 3200 - total flux cleaned = 0.00343198 Jy ! Component: 3250 - total flux cleaned = 0.00344737 Jy ! Component: 3300 - total flux cleaned = 0.00349277 Jy ! Component: 3350 - total flux cleaned = 0.00350794 Jy ! Component: 3400 - total flux cleaned = 0.00349273 Jy ! Component: 3450 - total flux cleaned = 0.00344815 Jy ! Component: 3500 - total flux cleaned = 0.00353667 Jy ! Component: 3550 - total flux cleaned = 0.00344845 Jy ! Component: 3600 - total flux cleaned = 0.00350667 Jy ! Component: 3650 - total flux cleaned = 0.00352114 Jy ! Component: 3700 - total flux cleaned = 0.0035354 Jy ! Component: 3750 - total flux cleaned = 0.00356392 Jy ! Component: 3800 - total flux cleaned = 0.00360625 Jy ! Component: 3850 - total flux cleaned = 0.00352202 Jy ! Component: 3900 - total flux cleaned = 0.00356373 Jy ! Component: 3950 - total flux cleaned = 0.00357748 Jy ! Component: 4000 - total flux cleaned = 0.00364607 Jy ! Component: 4050 - total flux cleaned = 0.00357796 Jy ! Total flux subtracted in 4096 components = 0.00367271 Jy ! Clean residual min=-0.000860 max=0.000793 Jy/beam ! Clean residual mean=-0.000000 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.12922 Jy keep ! Adding 349 model components to the UV plane model. ! The established model now contains 545 components and 0.12922 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2131-2036_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9536 x 2.759 at -13.65 degrees (North through East) ! Clean map min=-0.0017615 max=0.04367 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2131-2036_X_map.fits wmodel /vlbi/bp222/maps//J2131-2036_X_map.mod ! Writing 545 model components to file: /vlbi/bp222/maps//J2131-2036_X_map.mod wobs /vlbi/bp222/maps//J2131-2036_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2131-2036_X_uvs.fits wwins /vlbi/bp222/maps//J2131-2036_X_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J2131-2036_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0436697 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00026384 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.81251 1.81251 3.62503 7.25006 14.5001 29.0002 58.0005 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.043 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 165.515 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2131-2036_X_dfm.log closed on Mon Jan 14 17:20:45 2019