! Started logfile: /vlbi/uf001/uva//J1521+0420_X_dfm.log on Mon Jan 14 03:16:13 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/uf001/uva//J1521+0420_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1521+0420_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.986462 visibilities/baseline/integration-bin. ! Found source: J1521+0420 ! ! 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 46344 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 J1521+0420_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 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.010260Jy sigma=23.572005 ! Fit after self-cal, rms=0.868724Jy sigma=20.197404 ! 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=0.6799 mas, bmaj=1.712 mas, bpa=-2.301 degrees ! Estimated noise=0.264036 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 = 0.0999299 Jy ! Component: 100 - total flux cleaned = 0.129939 Jy ! Total flux subtracted in 100 components = 0.129939 Jy ! Clean residual min=-0.005550 max=0.012512 Jy/beam ! Clean residual mean=-0.000002 rms=0.001147 Jy/beam ! Combined flux in latest and established models = 0.129939 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.129939 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=0.061063Jy sigma=1.366012 ! Fit after self-cal, rms=0.060960Jy sigma=1.363922 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136845 Jy ! Component: 100 - total flux cleaned = 0.0205541 Jy ! Total flux subtracted in 100 components = 0.0205541 Jy ! Clean residual min=-0.003736 max=0.008765 Jy/beam ! Clean residual mean=-0.000001 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.150493 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 0.150493 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=0.057846Jy sigma=1.281096 ! Fit after self-cal, rms=0.057821Jy sigma=1.280539 ! Inverting map ! Added new window around map position (1.2, 2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0082347 Jy ! Component: 100 - total flux cleaned = 0.010972 Jy ! Total flux subtracted in 100 components = 0.010972 Jy ! Clean residual min=-0.003114 max=0.004993 Jy/beam ! Clean residual mean=-0.000001 rms=0.000642 Jy/beam ! Combined flux in latest and established models = 0.161465 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.161465 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=0.056688Jy sigma=1.249560 ! Fit after self-cal, rms=0.056589Jy sigma=1.247341 ! Inverting map ! Added new window around map position (-7.6, 3.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00418032 Jy ! Component: 100 - total flux cleaned = 0.00627884 Jy ! Total flux subtracted in 100 components = 0.00627884 Jy ! Clean residual min=-0.003019 max=0.003664 Jy/beam ! Clean residual mean=-0.000000 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.167744 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 28 components and 0.167744 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=0.056318Jy sigma=1.239883 ! Fit after self-cal, rms=0.056303Jy sigma=1.239493 ! Inverting map ! Added new window around map position (6.4, -9.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00324733 Jy ! Component: 100 - total flux cleaned = 0.00467607 Jy ! Total flux subtracted in 100 components = 0.00467607 Jy ! Clean residual min=-0.002853 max=0.003005 Jy/beam ! Clean residual mean=-0.000000 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.17242 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 40 components and 0.17242 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=0.056152Jy sigma=1.234810 ! Fit after self-cal, rms=0.056138Jy sigma=1.234370 ! 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=0.8541 mas, bmaj=2.002 mas, bpa=-2.591 degrees ! Estimated noise=0.145408 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 = 0.00236837 Jy ! Component: 100 - total flux cleaned = 0.00349941 Jy ! Component: 150 - total flux cleaned = 0.0039453 Jy ! Component: 200 - total flux cleaned = 0.00407334 Jy ! Total flux subtracted in 200 components = 0.00407334 Jy ! Clean residual min=-0.003450 max=0.002689 Jy/beam ! Clean residual mean=-0.000000 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.176493 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 55 components and 0.176493 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=0.056022Jy sigma=1.230987 ! Fit after self-cal, rms=0.056014Jy sigma=1.230753 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8541 x 2.002 at -2.591 degrees (North through East) ! Clean map min=-0.0032698 max=0.12701 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.96 KP 1.06 ! LA 1.00 MK 1.03 NL 1.11 OV 0.92 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.98 KP 1.06 ! LA 0.98 MK 1.01 NL 1.09 OV 0.93 ! PT 1.01 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.98 KP 1.07 ! LA 0.99 MK 1.00 NL 1.08 OV 0.91 ! PT 1.00 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.98 KP 1.07 ! LA 0.97 MK 0.98 NL 1.10 OV 0.90 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.97 KP 1.07 ! LA 0.98 MK 1.01 NL 1.07 OV 0.91 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.98 KP 1.04 ! LA 0.97 MK 1.00 NL 1.08 OV 0.92 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 0.95 KP 1.06 ! LA 0.97 MK 0.98 NL 1.10 OV 0.91 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.99 KP 1.06 ! LA 0.98 MK 0.98 NL 1.07 OV 0.92 ! PT 1.02 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.97 KP 1.05 ! LA 0.97 MK 1.03 NL 1.08 OV 0.93 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.94 KP 1.06 ! LA 0.97 MK 0.97 NL 1.07 OV 0.90 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 0.96 KP 1.06 ! LA 0.98 MK 0.98 NL 1.07 OV 0.91 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.96 KP 0.99 ! LA 0.99 MK 0.98 NL 1.07 OV 0.91 ! PT 1.01 SC 0.98 ! ! ! Fit before self-cal, rms=0.056014Jy sigma=1.230753 ! Fit after self-cal, rms=0.054913Jy sigma=1.211438 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8488 mas, bmaj=2.003 mas, bpa=-2.372 degrees ! Estimated noise=0.145352 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 = -0.00190789 Jy ! Component: 100 - total flux cleaned = -0.00297321 Jy ! Component: 150 - total flux cleaned = -0.00340919 Jy ! Component: 200 - total flux cleaned = -0.00368184 Jy ! Total flux subtracted in 200 components = -0.00368184 Jy ! Clean residual min=-0.001446 max=0.001425 Jy/beam ! Clean residual mean=-0.000000 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.172811 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 70 components and 0.172811 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=0.054839Jy sigma=1.209591 ! Fit after self-cal, rms=0.054859Jy sigma=1.209314 ! 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=0.054859Jy sigma=1.209314 ! Fit after self-cal, rms=0.054808Jy sigma=1.206209 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8477 mas, bmaj=2.005 mas, bpa=-2.358 degrees ! Estimated noise=0.14515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123319 Jy ! Component: 100 - total flux cleaned = -0.00164898 Jy ! Component: 150 - total flux cleaned = -0.00189927 Jy ! Component: 200 - total flux cleaned = -0.00198558 Jy ! Total flux subtracted in 200 components = -0.00198558 Jy ! Clean residual min=-0.001189 max=0.001132 Jy/beam ! Clean residual mean=0.000000 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.170826 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 81 components and 0.170826 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=0.054773Jy sigma=1.205374 ! Fit after self-cal, rms=0.054774Jy sigma=1.205290 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 = -0.000179538 Jy ! Component: 100 - total flux cleaned = -0.000315915 Jy ! Component: 150 - total flux cleaned = -0.000349291 Jy ! Component: 200 - total flux cleaned = -0.000364695 Jy ! Total flux subtracted in 200 components = -0.000364695 Jy ! Clean residual min=-0.001161 max=0.001035 Jy/beam ! Clean residual mean=-0.000000 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.170461 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 86 components and 0.170461 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=0.054763Jy sigma=1.205035 ! Fit after self-cal, rms=0.054760Jy sigma=1.205007 ! 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=0.054760Jy sigma=1.205007 ! Fit after self-cal, rms=0.054775Jy sigma=1.204516 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8471 mas, bmaj=2.006 mas, bpa=-2.339 degrees ! Estimated noise=0.145103 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000674895 Jy ! Component: 100 - total flux cleaned = -0.000983686 Jy ! Component: 150 - total flux cleaned = -0.00107594 Jy ! Component: 200 - total flux cleaned = -0.00110747 Jy ! Total flux subtracted in 200 components = -0.00110747 Jy ! Clean residual min=-0.000984 max=0.001041 Jy/beam ! Clean residual mean=0.000000 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.169354 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 86 components and 0.169354 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=0.054759Jy sigma=1.204142 ! Fit after self-cal, rms=0.054761Jy sigma=1.204106 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 = -7.98788e-05 Jy ! Component: 100 - total flux cleaned = -0.00018525 Jy ! Component: 150 - total flux cleaned = -0.000211608 Jy ! Component: 200 - total flux cleaned = -0.000236014 Jy ! Total flux subtracted in 200 components = -0.000236014 Jy ! Clean residual min=-0.000964 max=0.000971 Jy/beam ! Clean residual mean=0.000000 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.169118 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 91 components and 0.169118 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=0.054753Jy sigma=1.203949 ! Fit after self-cal, rms=0.054752Jy sigma=1.203930 ! 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=0.054752Jy sigma=1.203930 ! Fit after self-cal, rms=0.054749Jy sigma=1.203820 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.115 mas, bmaj=3.233 mas, bpa=1.053 degrees ! Estimated noise=0.186473 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000685205 Jy ! Component: 100 - total flux cleaned = -0.000954442 Jy ! Component: 150 - total flux cleaned = -0.00104458 Jy ! Component: 200 - total flux cleaned = -0.00107742 Jy ! Total flux subtracted in 200 components = -0.00107742 Jy ! Clean residual min=-0.001249 max=0.001613 Jy/beam ! Clean residual mean=0.000000 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.16804 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 102 components and 0.16804 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=0.054748Jy sigma=1.203790 ! Fit after self-cal, rms=0.054749Jy sigma=1.203770 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, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132168 Jy ! Component: 100 - total flux cleaned = 0.00154744 Jy ! Component: 150 - total flux cleaned = 0.00167093 Jy ! Component: 200 - total flux cleaned = 0.00174601 Jy ! Total flux subtracted in 200 components = 0.00174601 Jy ! Clean residual min=-0.000928 max=0.000998 Jy/beam ! Clean residual mean=-0.000000 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.169786 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 141 components and 0.169786 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=0.054719Jy sigma=1.202951 ! Fit after self-cal, rms=0.054718Jy sigma=1.202909 ! 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=0.8468 mas, bmaj=2.007 mas, bpa=-2.338 degrees ! Estimated noise=0.14507 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8468 x 2.007 at -2.338 degrees (North through East) ! Clean map min=-0.0011032 max=0.12694 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=0.6741 mas, bmaj=1.716 mas, bpa=-1.977 degrees ! Estimated noise=0.263308 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.099567 Jy ! Component: 100 - total flux cleaned = 0.130216 Jy ! Component: 150 - total flux cleaned = 0.143757 Jy ! Component: 200 - total flux cleaned = 0.151194 Jy ! Total flux subtracted in 200 components = 0.151194 Jy ! Clean residual min=-0.002056 max=0.003821 Jy/beam ! Clean residual mean=-0.000000 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.151194 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.151194 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8468 mas, bmaj=2.007 mas, bpa=-2.338 degrees ! Estimated noise=0.14507 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 = 0.00549541 Jy ! Component: 100 - total flux cleaned = 0.008918 Jy ! Component: 150 - total flux cleaned = 0.0113223 Jy ! Component: 200 - total flux cleaned = 0.0129856 Jy ! Total flux subtracted in 200 components = 0.0129856 Jy ! Clean residual min=-0.001031 max=0.001267 Jy/beam ! Clean residual mean=-0.000000 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.16418 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 37 components and 0.16418 Jy ! Inverting map ! Added new window around map position (-0.8, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000956046 Jy ! Component: 100 - total flux cleaned = 0.00153263 Jy ! Component: 150 - total flux cleaned = 0.001912 Jy ! Component: 200 - total flux cleaned = 0.00224933 Jy ! Total flux subtracted in 200 components = 0.00224933 Jy ! Clean residual min=-0.000867 max=0.001070 Jy/beam ! Clean residual mean=-0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.166429 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 64 components and 0.166429 Jy ! Inverting map ! Added new window around map position (18.6, 35.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000627651 Jy ! Component: 100 - total flux cleaned = 0.000882932 Jy ! Component: 150 - total flux cleaned = 0.00114717 Jy ! Component: 200 - total flux cleaned = 0.00139385 Jy ! Total flux subtracted in 200 components = 0.00139385 Jy ! Clean residual min=-0.000815 max=0.000806 Jy/beam ! Clean residual mean=-0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.167823 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 95 components and 0.167823 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=2.115 mas, bmaj=3.233 mas, bpa=1.053 degrees ! Estimated noise=0.186473 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000763931 Jy ! Component: 100 - total flux cleaned = 0.00117806 Jy ! Component: 150 - total flux cleaned = 0.00155402 Jy ! Component: 200 - total flux cleaned = 0.00187314 Jy ! Total flux subtracted in 200 components = 0.00187314 Jy ! Clean residual min=-0.000911 max=0.000949 Jy/beam ! Clean residual mean=-0.000000 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.169696 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 = 0.000199288 Jy ! Component: 100 - total flux cleaned = 0.000288968 Jy ! Component: 150 - total flux cleaned = 0.000386887 Jy ! Component: 200 - total flux cleaned = 0.000417348 Jy ! Total flux subtracted in 200 components = 0.000417348 Jy ! Clean residual min=-0.000877 max=0.000919 Jy/beam ! Clean residual mean=-0.000000 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.170113 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 156 components and 0.170113 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8468 mas, bmaj=2.007 mas, bpa=-2.338 degrees ! Estimated noise=0.14507 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.0358e-06 Jy ! Component: 100 - total flux cleaned = -2.49695e-05 Jy ! Component: 150 - total flux cleaned = -8.05101e-05 Jy ! Component: 200 - total flux cleaned = -0.000130849 Jy ! Total flux subtracted in 200 components = -0.000130849 Jy ! Clean residual min=-0.000728 max=0.000765 Jy/beam ! Clean residual mean=-0.000000 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.169982 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 179 components and 0.169982 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=0.054675Jy sigma=1.201877 ! Fit after self-cal, rms=0.054669Jy sigma=1.201752 wmodel J1521+0420_X_map.mod ! Writing 179 model components to file: J1521+0420_X_map.mod wobs J1521+0420_X_uvs.fits ! Writing UV FITS file: J1521+0420_X_uvs.fits wwins J1521+0420_X_map.win ! wwins: Wrote 7 windows to J1521+0420_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 = 8.37089e-05 Jy ! Component: 100 - total flux cleaned = 7.1598e-05 Jy ! Component: 150 - total flux cleaned = 5.97922e-05 Jy ! Component: 200 - total flux cleaned = 8.26725e-05 Jy ! Component: 250 - total flux cleaned = 0.000105054 Jy ! Component: 300 - total flux cleaned = 0.000170297 Jy ! Component: 350 - total flux cleaned = 0.000180699 Jy ! Component: 400 - total flux cleaned = 0.000190816 Jy ! Component: 450 - total flux cleaned = 0.000170052 Jy ! Component: 500 - total flux cleaned = 0.000200337 Jy ! Component: 550 - total flux cleaned = 0.000170472 Jy ! Component: 600 - total flux cleaned = 0.000170749 Jy ! Component: 650 - total flux cleaned = 0.00018054 Jy ! Component: 700 - total flux cleaned = 0.000161499 Jy ! Component: 750 - total flux cleaned = 0.000142638 Jy ! Component: 800 - total flux cleaned = 0.000114592 Jy ! Component: 850 - total flux cleaned = 0.000105357 Jy ! Component: 900 - total flux cleaned = 9.61259e-05 Jy ! Component: 950 - total flux cleaned = 7.81226e-05 Jy ! Component: 1000 - total flux cleaned = 7.81287e-05 Jy ! Component: 1050 - total flux cleaned = 4.28713e-05 Jy ! Component: 1100 - total flux cleaned = 8.63764e-05 Jy ! Component: 1150 - total flux cleaned = 2.60138e-05 Jy ! Component: 1200 - total flux cleaned = 2.61557e-05 Jy ! Component: 1250 - total flux cleaned = 2.62173e-05 Jy ! Component: 1300 - total flux cleaned = -7.38172e-06 Jy ! Component: 1350 - total flux cleaned = 1.10799e-06 Jy ! Component: 1400 - total flux cleaned = -2.37014e-05 Jy ! Component: 1450 - total flux cleaned = -3.18672e-05 Jy ! Component: 1500 - total flux cleaned = -4.80676e-05 Jy ! Component: 1550 - total flux cleaned = -8.02026e-05 Jy ! Component: 1600 - total flux cleaned = -8.01786e-05 Jy ! Component: 1650 - total flux cleaned = -9.60658e-05 Jy ! Component: 1700 - total flux cleaned = -0.000119531 Jy ! Component: 1750 - total flux cleaned = -0.000111729 Jy ! Component: 1800 - total flux cleaned = -0.000119605 Jy ! Component: 1850 - total flux cleaned = -0.000134945 Jy ! Component: 1900 - total flux cleaned = -0.00016551 Jy ! Component: 1950 - total flux cleaned = -0.000173083 Jy ! Component: 2000 - total flux cleaned = -0.000165547 Jy ! Component: 2050 - total flux cleaned = -0.00017301 Jy ! Component: 2100 - total flux cleaned = -0.000180452 Jy ! Component: 2150 - total flux cleaned = -0.000165741 Jy ! Component: 2200 - total flux cleaned = -0.000151075 Jy ! Component: 2250 - total flux cleaned = -0.000194913 Jy ! Component: 2300 - total flux cleaned = -0.000180449 Jy ! Component: 2350 - total flux cleaned = -0.000173225 Jy ! Component: 2400 - total flux cleaned = -0.000187636 Jy ! Component: 2450 - total flux cleaned = -0.000201895 Jy ! Component: 2500 - total flux cleaned = -0.000208921 Jy ! Component: 2550 - total flux cleaned = -0.000173685 Jy ! Component: 2600 - total flux cleaned = -0.000215756 Jy ! Component: 2650 - total flux cleaned = -0.000215771 Jy ! Component: 2700 - total flux cleaned = -0.00022964 Jy ! Component: 2750 - total flux cleaned = -0.000215909 Jy ! Component: 2800 - total flux cleaned = -0.000209063 Jy ! Component: 2850 - total flux cleaned = -0.000202247 Jy ! Component: 2900 - total flux cleaned = -0.000195609 Jy ! Component: 2950 - total flux cleaned = -0.00022245 Jy ! Component: 3000 - total flux cleaned = -0.000222457 Jy ! Component: 3050 - total flux cleaned = -0.000202468 Jy ! Component: 3100 - total flux cleaned = -0.000202444 Jy ! Component: 3150 - total flux cleaned = -0.000202472 Jy ! Component: 3200 - total flux cleaned = -0.000182869 Jy ! Component: 3250 - total flux cleaned = -0.000189362 Jy ! Component: 3300 - total flux cleaned = -0.000195848 Jy ! Component: 3350 - total flux cleaned = -0.000189367 Jy ! Component: 3400 - total flux cleaned = -0.000163722 Jy ! Component: 3450 - total flux cleaned = -0.000176464 Jy ! Component: 3500 - total flux cleaned = -0.000151099 Jy ! Component: 3550 - total flux cleaned = -0.000163698 Jy ! Component: 3600 - total flux cleaned = -0.00011344 Jy ! Component: 3650 - total flux cleaned = -0.000113439 Jy ! Component: 3700 - total flux cleaned = -0.000107176 Jy ! Component: 3750 - total flux cleaned = -9.47882e-05 Jy ! Component: 3800 - total flux cleaned = -8.8576e-05 Jy ! Component: 3850 - total flux cleaned = -8.85453e-05 Jy ! Component: 3900 - total flux cleaned = -6.41192e-05 Jy ! Component: 3950 - total flux cleaned = -3.37469e-05 Jy ! Component: 4000 - total flux cleaned = -5.18866e-05 Jy ! Component: 4050 - total flux cleaned = -2.18086e-05 Jy ! Total flux subtracted in 4096 components = -1.57965e-05 Jy ! Clean residual min=-0.000352 max=0.000468 Jy/beam ! Clean residual mean=-0.000000 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.169967 Jy keep ! Adding 345 model components to the UV plane model. ! The established model now contains 524 components and 0.169967 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1521+0420_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8468 x 2.007 at -2.338 degrees (North through East) ! Clean map min=-0.00079177 max=0.12699 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1521+0420_X_map.fits wmodel /vlbi/uf001/uva//J1521+0420_X_map.mod ! Writing 524 model components to file: /vlbi/uf001/uva//J1521+0420_X_map.mod wobs /vlbi/uf001/uva//J1521+0420_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1521+0420_X_uvs.fits wwins /vlbi/uf001/uva//J1521+0420_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1521+0420_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.126987 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000106661 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.25198 0.25198 0.50396 1.00792 2.01584 4.03168 8.06337 16.1267 32.2535 64.5069 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.126 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1190.57 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1521+0420_X_dfm.log closed on Mon Jan 14 03:16:22 2019