! Started logfile: /vlbi/bp222/maps//J1757+7539_X_dfm.log on Thu Sep 27 11:28:35 2018 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//J1757+7539_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1757+7539_X_uvm.fits ! AN table 1: 23 integrations on 21 of 21 possible baselines. ! AN table 2: 68 integrations on 36 of 36 possible baselines. ! AN table 3: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.952727 visibilities/baseline/integration-bin. ! Found source: J1757+7539 ! ! 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 108 lines of history. ! ! Reading 40872 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 J1757+7539_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 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 9. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 10. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 11. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 12. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.014611Jy sigma=13.423447 ! Fit after self-cal, rms=0.850530Jy sigma=11.150946 ! 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=0.6624 mas, bmaj=1.458 mas, bpa=-10.48 degrees ! Estimated noise=0.659161 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 = 0.112884 Jy ! Component: 100 - total flux cleaned = 0.14927 Jy ! Total flux subtracted in 100 components = 0.14927 Jy ! Clean residual min=-0.004449 max=0.015524 Jy/beam ! Clean residual mean=-0.000001 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 0.14927 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.14927 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=0.069544Jy sigma=0.813324 ! Fit after self-cal, rms=0.069502Jy sigma=0.812336 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0166827 Jy ! Component: 100 - total flux cleaned = 0.0247518 Jy ! Total flux subtracted in 100 components = 0.0247518 Jy ! Clean residual min=-0.002908 max=0.003750 Jy/beam ! Clean residual mean=-0.000000 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.174022 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 0.174022 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=0.065633Jy sigma=0.738305 ! Fit after self-cal, rms=0.065611Jy sigma=0.737790 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00462201 Jy ! Component: 100 - total flux cleaned = 0.00728632 Jy ! Total flux subtracted in 100 components = 0.00728632 Jy ! Clean residual min=-0.002584 max=0.002543 Jy/beam ! Clean residual mean=0.000000 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.181308 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 16 components and 0.181308 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=0.065376Jy sigma=0.731809 ! Fit after self-cal, rms=0.065374Jy sigma=0.731712 ! 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=0.9112 mas, bmaj=1.767 mas, bpa=-12.01 degrees ! Estimated noise=0.287874 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 = 0.00147594 Jy ! Component: 100 - total flux cleaned = 0.00154796 Jy ! Component: 150 - total flux cleaned = 0.0015496 Jy ! Component: 200 - total flux cleaned = 0.00155245 Jy ! Total flux subtracted in 200 components = 0.00155245 Jy ! Clean residual min=-0.002219 max=0.001695 Jy/beam ! Clean residual mean=0.000001 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.182861 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 21 components and 0.182861 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=0.065352Jy sigma=0.730913 ! Fit after self-cal, rms=0.065346Jy sigma=0.730858 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9112 x 1.767 at -12.01 degrees (North through East) ! Clean map min=-0.0022092 max=0.1528 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.05 KP 1.04 ! MK 0.98 NL 0.86 OV 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 HN 1.02 KP 0.95 LA 1.00 ! MK 0.95 NL 0.97 OV 1.03 PT 1.01 ! SC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.03 HN 0.95 KP 0.99 ! LA 1.00 NL 0.99 OV 1.05 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.02 KP 1.07 ! MK 1.02 NL 0.87 OV 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 HN 1.04 KP 0.97 LA 1.01 ! MK 0.92 NL 0.96 OV 1.04 PT 1.01 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.97 HN 0.95 KP 1.07 ! LA 1.06 NL 0.99 OV 1.04 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.98 KP 1.03 ! MK 0.99 NL 0.86 OV 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 HN 1.03 KP 0.96 LA 1.02 ! MK 0.98 NL 0.98 OV 1.01 PT 1.00 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.03 HN 0.93 KP 1.01 ! LA 1.01 NL 0.95 OV 1.04 SC 1.09 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.00 KP 1.01 ! MK 1.00 NL 0.85 OV 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 HN 1.04 KP 0.97 LA 1.02 ! MK 0.96 NL 0.98 OV 1.01 PT 1.00 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.95 HN 0.97 KP 1.05 ! LA 0.98 NL 0.98 OV 1.02 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 1.02 KP 1.02 ! MK 1.04 NL 0.88 OV 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 HN 1.01 KP 0.97 LA 1.02 ! MK 0.97 NL 0.99 OV 1.01 PT 1.02 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.00 HN 1.04 KP 1.07 ! LA 1.02 NL 1.00 OV 1.07 SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HN 1.02 KP 1.01 ! MK 1.01 NL 0.85 OV 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 HN 1.06 KP 0.97 LA 1.02 ! MK 0.95 NL 0.98 OV 1.01 PT 1.01 ! SC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.98 HN 0.96 KP 1.06 ! LA 1.03 NL 0.99 OV 1.09 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.02 KP 1.00 ! MK 1.00 NL 0.90 OV 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 HN 1.09 KP 0.99 LA 1.02 ! MK 0.96 NL 0.98 OV 1.01 PT 1.04 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.00 HN 0.93 KP 1.09 ! LA 1.03 NL 1.02 OV 1.06 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.06 KP 1.03 ! MK 1.04 NL 0.88 OV 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 HN 1.05 KP 0.97 LA 1.01 ! MK 0.98 NL 0.99 OV 1.01 PT 1.00 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.02 HN 0.95 KP 1.14 ! LA 1.03 NL 1.00 OV 1.04 SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 0.98 KP 1.02 ! MK 1.00 NL 0.91 OV 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 HN 1.08 KP 0.98 LA 1.03 ! MK 0.97 NL 0.99 OV 1.01 PT 1.01 ! SC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.00 HN 0.95 KP 1.07 ! LA 1.03 NL 1.02 OV 1.07 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 1.02 KP 1.00 ! MK 0.98 NL 0.87 OV 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 HN 1.01 KP 0.98 LA 1.03 ! MK 0.98 NL 0.97 OV 1.03 PT 1.02 ! SC 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.04 HN 0.96 KP 1.09 ! LA 1.02 NL 0.98 OV 1.04 SC 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 1.02 KP 1.00 ! MK 1.03 NL 0.85 OV 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 HN 1.05 KP 0.98 LA 1.04 ! MK 0.97 NL 1.01 OV 1.02 PT 1.00 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.99 HN 0.92 KP 1.11 ! LA 1.04 NL 1.01 OV 1.07 SC 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 0.95 KP 1.06 ! MK 1.03 NL 0.91 OV 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 HN 1.05 KP 0.98 LA 1.01 ! MK 0.98 NL 0.99 OV 1.01 PT 1.02 ! SC 1.07 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.97 HN 0.97 KP 1.03 ! LA 1.00 NL 1.00 OV 1.13 SC 1.00 ! ! ! Fit before self-cal, rms=0.065346Jy sigma=0.730858 ! Fit after self-cal, rms=0.065992Jy sigma=0.721634 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9082 mas, bmaj=1.767 mas, bpa=-11.74 degrees ! Estimated noise=0.28725 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 (-1, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000824886 Jy ! Component: 100 - total flux cleaned = 0.000823191 Jy ! Component: 150 - total flux cleaned = 0.00080445 Jy ! Component: 200 - total flux cleaned = 0.000821165 Jy ! Total flux subtracted in 200 components = 0.000821165 Jy ! Clean residual min=-0.001007 max=0.001043 Jy/beam ! Clean residual mean=0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.183682 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 40 components and 0.183682 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=0.065965Jy sigma=0.721386 ! Fit after self-cal, rms=0.065986Jy sigma=0.721268 ! 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=0.065986Jy sigma=0.721268 ! Fit after self-cal, rms=0.066280Jy sigma=0.720026 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9068 mas, bmaj=1.767 mas, bpa=-12.04 degrees ! Estimated noise=0.287078 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000526777 Jy ! Component: 100 - total flux cleaned = 0.0005131 Jy ! Component: 150 - total flux cleaned = 0.000527198 Jy ! Component: 200 - total flux cleaned = 0.000513734 Jy ! Total flux subtracted in 200 components = 0.000513734 Jy ! Clean residual min=-0.000844 max=0.000889 Jy/beam ! Clean residual mean=0.000001 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.184195 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 51 components and 0.184195 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=0.066271Jy sigma=0.719920 ! Fit after self-cal, rms=0.066277Jy sigma=0.719902 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, -9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000603464 Jy ! Component: 100 - total flux cleaned = 0.000744059 Jy ! Component: 150 - total flux cleaned = 0.000778836 Jy ! Component: 200 - total flux cleaned = 0.000825685 Jy ! Total flux subtracted in 200 components = 0.000825685 Jy ! Clean residual min=-0.000826 max=0.000832 Jy/beam ! Clean residual mean=0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.185021 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 66 components and 0.185021 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=0.066263Jy sigma=0.719699 ! Fit after self-cal, rms=0.066263Jy sigma=0.719687 ! 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=0.066263Jy sigma=0.719687 ! Fit after self-cal, rms=0.066599Jy sigma=0.718582 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9063 mas, bmaj=1.765 mas, bpa=-12.09 degrees ! Estimated noise=0.287269 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.48832e-05 Jy ! Component: 100 - total flux cleaned = 0.000151892 Jy ! Component: 150 - total flux cleaned = 0.000137154 Jy ! Component: 200 - total flux cleaned = 0.000111501 Jy ! Total flux subtracted in 200 components = 0.000111501 Jy ! Clean residual min=-0.000773 max=0.000791 Jy/beam ! Clean residual mean=0.000000 rms=0.000182 Jy/beam ! Combined flux in latest and established models = 0.185133 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 73 components and 0.185133 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=0.066590Jy sigma=0.718496 ! Fit after self-cal, rms=0.066596Jy sigma=0.718480 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 (-36.4, -41.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.17806e-05 Jy ! Component: 100 - total flux cleaned = 0.000209576 Jy ! Component: 150 - total flux cleaned = 0.000255908 Jy ! Component: 200 - total flux cleaned = 0.000229084 Jy ! Total flux subtracted in 200 components = 0.000229084 Jy ! Clean residual min=-0.000760 max=0.000702 Jy/beam ! Clean residual mean=0.000000 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.185362 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 87 components and 0.185362 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=0.066580Jy sigma=0.718315 ! Fit after self-cal, rms=0.066579Jy sigma=0.718304 ! 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=0.066579Jy sigma=0.718304 ! Fit after self-cal, rms=0.066643Jy sigma=0.718283 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.11 mas, bmaj=2.687 mas, bpa=-18.66 degrees ! Estimated noise=0.350742 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000298754 Jy ! Component: 100 - total flux cleaned = 0.000274753 Jy ! Component: 150 - total flux cleaned = 0.000274486 Jy ! Component: 200 - total flux cleaned = 0.000282586 Jy ! Total flux subtracted in 200 components = 0.000282586 Jy ! Clean residual min=-0.001079 max=0.000835 Jy/beam ! Clean residual mean=0.000000 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.185644 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 102 components and 0.185644 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=0.066641Jy sigma=0.718250 ! Fit after self-cal, rms=0.066641Jy sigma=0.718243 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 = 7.78385e-06 Jy ! Component: 100 - total flux cleaned = -2.61219e-07 Jy ! Component: 150 - total flux cleaned = -8.01073e-06 Jy ! Component: 200 - total flux cleaned = -2.22791e-05 Jy ! Total flux subtracted in 200 components = -2.22791e-05 Jy ! Clean residual min=-0.001081 max=0.000807 Jy/beam ! Clean residual mean=0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.185622 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 108 components and 0.185622 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=0.066640Jy sigma=0.718229 ! Fit after self-cal, rms=0.066640Jy sigma=0.718228 ! 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=0.9059 mas, bmaj=1.765 mas, bpa=-12.09 degrees ! Estimated noise=0.28738 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9059 x 1.765 at -12.09 degrees (North through East) ! Clean map min=-0.0009056 max=0.15259 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=0.6583 mas, bmaj=1.459 mas, bpa=-10.8 degrees ! Estimated noise=0.655527 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.112315 Jy ! Component: 100 - total flux cleaned = 0.149479 Jy ! Component: 150 - total flux cleaned = 0.166074 Jy ! Component: 200 - total flux cleaned = 0.174127 Jy ! Total flux subtracted in 200 components = 0.174127 Jy ! Clean residual min=-0.002231 max=0.003712 Jy/beam ! Clean residual mean=-0.000000 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.174127 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.174127 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9059 mas, bmaj=1.765 mas, bpa=-12.09 degrees ! Estimated noise=0.28738 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 = 0.00550464 Jy ! Component: 100 - total flux cleaned = 0.00816237 Jy ! Component: 150 - total flux cleaned = 0.00948836 Jy ! Component: 200 - total flux cleaned = 0.0101781 Jy ! Total flux subtracted in 200 components = 0.0101781 Jy ! Clean residual min=-0.000803 max=0.000779 Jy/beam ! Clean residual mean=-0.000000 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.184306 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 33 components and 0.184306 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=2.11 mas, bmaj=2.687 mas, bpa=-18.66 degrees ! Estimated noise=0.350742 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000954846 Jy ! Component: 100 - total flux cleaned = 0.00148162 Jy ! Component: 150 - total flux cleaned = 0.00166936 Jy ! Component: 200 - total flux cleaned = 0.00168651 Jy ! Total flux subtracted in 200 components = 0.00168651 Jy ! Clean residual min=-0.001140 max=0.000912 Jy/beam ! Clean residual mean=0.000000 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.185992 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 = -1.38953e-05 Jy ! Component: 100 - total flux cleaned = -1.36969e-05 Jy ! Component: 150 - total flux cleaned = -3.79531e-05 Jy ! Component: 200 - total flux cleaned = -4.94863e-05 Jy ! Total flux subtracted in 200 components = -4.94863e-05 Jy ! Clean residual min=-0.001123 max=0.000865 Jy/beam ! Clean residual mean=0.000000 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.185943 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 69 components and 0.185943 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9059 mas, bmaj=1.765 mas, bpa=-12.09 degrees ! Estimated noise=0.28738 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000148806 Jy ! Component: 100 - total flux cleaned = 0.000128653 Jy ! Component: 150 - total flux cleaned = 0.000148615 Jy ! Component: 200 - total flux cleaned = 0.000130639 Jy ! Total flux subtracted in 200 components = 0.000130639 Jy ! Clean residual min=-0.000726 max=0.000751 Jy/beam ! Clean residual mean=0.000000 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.186073 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 88 components and 0.186073 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=0.066664Jy sigma=0.718422 ! Fit after self-cal, rms=0.066662Jy sigma=0.718380 wmodel J1757+7539_X_map.mod ! Writing 88 model components to file: J1757+7539_X_map.mod wobs J1757+7539_X_uvs.fits ! Writing UV FITS file: J1757+7539_X_uvs.fits wwins J1757+7539_X_map.win ! wwins: Wrote 4 windows to J1757+7539_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 = -7.0001e-05 Jy ! Component: 100 - total flux cleaned = -9.64111e-05 Jy ! Component: 150 - total flux cleaned = -0.000108851 Jy ! Component: 200 - total flux cleaned = -9.64002e-05 Jy ! Component: 250 - total flux cleaned = -6.03486e-05 Jy ! Component: 300 - total flux cleaned = -1.31765e-05 Jy ! Component: 350 - total flux cleaned = 3.31825e-05 Jy ! Component: 400 - total flux cleaned = 6.73127e-05 Jy ! Component: 450 - total flux cleaned = 7.86093e-05 Jy ! Component: 500 - total flux cleaned = 7.84579e-05 Jy ! Component: 550 - total flux cleaned = 8.9421e-05 Jy ! Component: 600 - total flux cleaned = 0.000100205 Jy ! Component: 650 - total flux cleaned = 0.00010013 Jy ! Component: 700 - total flux cleaned = 0.000110886 Jy ! Component: 750 - total flux cleaned = 0.000142412 Jy ! Component: 800 - total flux cleaned = 0.000152981 Jy ! Component: 850 - total flux cleaned = 0.0001841 Jy ! Component: 900 - total flux cleaned = 0.000225076 Jy ! Component: 950 - total flux cleaned = 0.000255544 Jy ! Component: 1000 - total flux cleaned = 0.000265504 Jy ! Component: 1050 - total flux cleaned = 0.000285372 Jy ! Component: 1100 - total flux cleaned = 0.000295208 Jy ! Component: 1150 - total flux cleaned = 0.000334462 Jy ! Component: 1200 - total flux cleaned = 0.000373517 Jy ! Component: 1250 - total flux cleaned = 0.000354093 Jy ! Component: 1300 - total flux cleaned = 0.000402142 Jy ! Component: 1350 - total flux cleaned = 0.000364084 Jy ! Component: 1400 - total flux cleaned = 0.000364103 Jy ! Component: 1450 - total flux cleaned = 0.000411045 Jy ! Component: 1500 - total flux cleaned = 0.000410871 Jy ! Component: 1550 - total flux cleaned = 0.000383176 Jy ! Component: 1600 - total flux cleaned = 0.000429186 Jy ! Component: 1650 - total flux cleaned = 0.000447503 Jy ! Component: 1700 - total flux cleaned = 0.000411263 Jy ! Component: 1750 - total flux cleaned = 0.000438388 Jy ! Component: 1800 - total flux cleaned = 0.000474123 Jy ! Component: 1850 - total flux cleaned = 0.000491768 Jy ! Component: 1900 - total flux cleaned = 0.000474047 Jy ! Component: 1950 - total flux cleaned = 0.000474124 Jy ! Component: 2000 - total flux cleaned = 0.000482753 Jy ! Component: 2050 - total flux cleaned = 0.000508705 Jy ! Component: 2100 - total flux cleaned = 0.000457022 Jy ! Component: 2150 - total flux cleaned = 0.000465642 Jy ! Component: 2200 - total flux cleaned = 0.000474123 Jy ! Component: 2250 - total flux cleaned = 0.000516494 Jy ! Component: 2300 - total flux cleaned = 0.000465983 Jy ! Component: 2350 - total flux cleaned = 0.000491154 Jy ! Component: 2400 - total flux cleaned = 0.000466109 Jy ! Component: 2450 - total flux cleaned = 0.000466098 Jy ! Component: 2500 - total flux cleaned = 0.000499044 Jy ! Component: 2550 - total flux cleaned = 0.000441619 Jy ! Component: 2600 - total flux cleaned = 0.000466059 Jy ! Component: 2650 - total flux cleaned = 0.000449831 Jy ! Component: 2700 - total flux cleaned = 0.000457884 Jy ! Component: 2750 - total flux cleaned = 0.000457868 Jy ! Component: 2800 - total flux cleaned = 0.000441989 Jy ! Component: 2850 - total flux cleaned = 0.000434057 Jy ! Component: 2900 - total flux cleaned = 0.000410285 Jy ! Component: 2950 - total flux cleaned = 0.00040241 Jy ! Component: 3000 - total flux cleaned = 0.00037884 Jy ! Component: 3050 - total flux cleaned = 0.000371084 Jy ! Component: 3100 - total flux cleaned = 0.000355588 Jy ! Component: 3150 - total flux cleaned = 0.000324563 Jy ! Component: 3200 - total flux cleaned = 0.000324588 Jy ! Component: 3250 - total flux cleaned = 0.000255452 Jy ! Component: 3300 - total flux cleaned = 0.000263127 Jy ! Component: 3350 - total flux cleaned = 0.000247857 Jy ! Component: 3400 - total flux cleaned = 0.00018723 Jy ! Component: 3450 - total flux cleaned = 0.00017967 Jy ! Component: 3500 - total flux cleaned = 0.00017215 Jy ! Component: 3550 - total flux cleaned = 0.000142207 Jy ! Component: 3600 - total flux cleaned = 0.000119811 Jy ! Component: 3650 - total flux cleaned = 0.000119805 Jy ! Component: 3700 - total flux cleaned = 3.09767e-05 Jy ! Component: 3750 - total flux cleaned = 8.84249e-06 Jy ! Component: 3800 - total flux cleaned = 1.51876e-06 Jy ! Component: 3850 - total flux cleaned = -1.31343e-05 Jy ! Component: 3900 - total flux cleaned = -4.95468e-05 Jy ! Component: 3950 - total flux cleaned = -5.68315e-05 Jy ! Component: 4000 - total flux cleaned = -1.35099e-05 Jy ! Component: 4050 - total flux cleaned = -7.10859e-05 Jy ! Total flux subtracted in 4096 components = -6.38895e-05 Jy ! Clean residual min=-0.000465 max=0.000428 Jy/beam ! Clean residual mean=0.000000 rms=0.000123 Jy/beam ! Combined flux in latest and established models = 0.186009 Jy keep ! Adding 321 model components to the UV plane model. ! The established model now contains 409 components and 0.186009 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1757+7539_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9059 x 1.765 at -12.09 degrees (North through East) ! Clean map min=-0.00083283 max=0.15237 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1757+7539_X_map.fits wmodel /vlbi/bp222/maps//J1757+7539_X_map.mod ! Writing 409 model components to file: /vlbi/bp222/maps//J1757+7539_X_map.mod wobs /vlbi/bp222/maps//J1757+7539_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1757+7539_X_uvs.fits wwins /vlbi/bp222/maps//J1757+7539_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1757+7539_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.152371 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000122949 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.242073 0.242073 0.484145 0.968291 1.93658 3.87316 7.74633 15.4927 30.9853 61.9706 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.152 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1239.3 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1757+7539_X_dfm.log closed on Thu Sep 27 11:28:41 2018