! Started logfile: /image_prod/ug002_uva//J2257+0743_X_g_dfm.log on Thu Mar 5 06:00:36 2020 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 /image_prod/ug002_uva//J2257+0743_X_g_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2257+0743_X_g_uva.fits ! AN table 1: 21 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.90582 visibilities/baseline/integration-bin. ! Found source: J2257+0743 ! ! 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 10272 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 J2257+0743_X_g] 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 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.043146Jy sigma=9.209493 ! Fit after self-cal, rms=0.736545Jy sigma=6.455673 ! 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=0.737 mas, bmaj=1.754 mas, bpa=-0.3835 degrees ! Estimated noise=1.19218 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 = 0.195875 Jy ! Component: 100 - total flux cleaned = 0.255469 Jy ! Total flux subtracted in 100 components = 0.255469 Jy ! Clean residual min=-0.011685 max=0.042400 Jy/beam ! Clean residual mean=-0.000028 rms=0.003139 Jy/beam ! Combined flux in latest and established models = 0.255469 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.255469 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=0.104620Jy sigma=0.884358 ! Fit after self-cal, rms=0.104555Jy sigma=0.883781 ! Inverting map ! Added new window around map position (-1.8, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0400373 Jy ! Component: 100 - total flux cleaned = 0.0648646 Jy ! Total flux subtracted in 100 components = 0.0648646 Jy ! Clean residual min=-0.009341 max=0.016907 Jy/beam ! Clean residual mean=-0.000014 rms=0.002063 Jy/beam ! Combined flux in latest and established models = 0.320334 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 0.320334 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=0.079549Jy sigma=0.655214 ! Fit after self-cal, rms=0.078535Jy sigma=0.645395 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188127 Jy ! Component: 100 - total flux cleaned = 0.0317525 Jy ! Total flux subtracted in 100 components = 0.0317525 Jy ! Clean residual min=-0.007690 max=0.012865 Jy/beam ! Clean residual mean=-0.000007 rms=0.001654 Jy/beam ! Combined flux in latest and established models = 0.352086 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 20 components and 0.352086 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=0.070594Jy sigma=0.575653 ! Fit after self-cal, rms=0.070372Jy sigma=0.573603 ! Inverting map ! Added new window around map position (2.2, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117111 Jy ! Component: 100 - total flux cleaned = 0.0201033 Jy ! Total flux subtracted in 100 components = 0.0201033 Jy ! Clean residual min=-0.007081 max=0.008735 Jy/beam ! Clean residual mean=-0.000003 rms=0.001491 Jy/beam ! Combined flux in latest and established models = 0.372189 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 24 components and 0.372189 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=0.067247Jy sigma=0.547306 ! Fit after self-cal, rms=0.067195Jy sigma=0.547035 ! 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=0.92 mas, bmaj=2.017 mas, bpa=0.3944 degrees ! Estimated noise=0.810122 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 (-3.4, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114522 Jy ! Component: 100 - total flux cleaned = 0.0191036 Jy ! Component: 150 - total flux cleaned = 0.0248555 Jy ! Component: 200 - total flux cleaned = 0.0277968 Jy ! Total flux subtracted in 200 components = 0.0277968 Jy ! Clean residual min=-0.006769 max=0.006566 Jy/beam ! Clean residual mean=0.000004 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 0.399986 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 41 components and 0.399986 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=0.064468Jy sigma=0.526154 ! Fit after self-cal, rms=0.064336Jy sigma=0.524817 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.92 x 2.017 at 0.3944 degrees (North through East) ! Clean map min=-0.0061216 max=0.26288 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.91 KP 1.05 ! LA 1.06 MK 1.07 NL 1.03 OV 0.95 ! PT 0.91 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.90 KP 1.06 ! LA 1.05 MK 1.10 NL 1.06 OV 0.95 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.91 KP 1.06 ! LA 1.05 MK 1.09 NL 1.04 OV 0.93 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.05 HN 0.91 KP 1.06 ! LA 1.06 MK 1.09 NL 1.03 OV 0.94 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.89 KP 1.07 ! LA 1.06 MK 1.05 NL 1.04 OV 0.93 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.91 KP 1.05 ! LA 1.05 MK 1.08 NL 1.03 OV 0.93 ! PT 0.90 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.89 KP 1.06 ! LA 1.06 MK 1.07 NL 1.06 OV 0.92 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.89 KP 1.05 ! LA 1.05 MK 1.05 NL 1.07 OV 0.93 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HN 0.89 KP 1.06 ! LA 1.04 MK 1.07 NL 1.03 OV 0.92 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.88 KP 1.07 ! LA 1.04 MK 1.05 NL 1.02 OV 0.93 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.90 KP 1.06 ! LA 1.03 MK 1.07 NL 1.07 OV 0.93 ! PT 0.90 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HN 0.89 KP 1.06 ! LA 1.05 MK 1.10 NL 1.09 OV 0.93 ! PT 0.89 SC 0.99 ! ! ! Fit before self-cal, rms=0.064336Jy sigma=0.524817 ! Fit after self-cal, rms=0.059426Jy sigma=0.481876 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9255 mas, bmaj=2.025 mas, bpa=0.7663 degrees ! Estimated noise=0.805807 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, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00422993 Jy ! Component: 100 - total flux cleaned = 0.00450471 Jy ! Component: 150 - total flux cleaned = 0.00418542 Jy ! Component: 200 - total flux cleaned = 0.00390432 Jy ! Total flux subtracted in 200 components = 0.00390432 Jy ! Clean residual min=-0.003413 max=0.003347 Jy/beam ! Clean residual mean=-0.000001 rms=0.000711 Jy/beam ! Combined flux in latest and established models = 0.403891 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 62 components and 0.403891 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=0.058841Jy sigma=0.476329 ! Fit after self-cal, rms=0.058799Jy sigma=0.475648 ! 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=0.058799Jy sigma=0.475648 ! Fit after self-cal, rms=0.059582Jy sigma=0.465217 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9352 mas, bmaj=2.032 mas, bpa=1.477 degrees ! Estimated noise=0.810638 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000715013 Jy ! Component: 100 - total flux cleaned = 0.000305332 Jy ! Component: 150 - total flux cleaned = -3.20236e-05 Jy ! Component: 200 - total flux cleaned = -0.000317417 Jy ! Total flux subtracted in 200 components = -0.000317417 Jy ! Clean residual min=-0.003134 max=0.002886 Jy/beam ! Clean residual mean=-0.000003 rms=0.000520 Jy/beam ! Combined flux in latest and established models = 0.403573 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 84 components and 0.403573 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=0.059250Jy sigma=0.462128 ! Fit after self-cal, rms=0.059245Jy sigma=0.461908 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 = 0.000217328 Jy ! Component: 100 - total flux cleaned = 9.94697e-05 Jy ! Component: 150 - total flux cleaned = -7.04814e-05 Jy ! Component: 200 - total flux cleaned = -0.000281889 Jy ! Total flux subtracted in 200 components = -0.000281889 Jy ! Clean residual min=-0.003050 max=0.002588 Jy/beam ! Clean residual mean=-0.000003 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.403291 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 95 components and 0.403291 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=0.059125Jy sigma=0.460853 ! Fit after self-cal, rms=0.059122Jy sigma=0.460766 ! 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=0.059122Jy sigma=0.460766 ! Fit after self-cal, rms=0.059873Jy sigma=0.460070 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9373 mas, bmaj=2.035 mas, bpa=1.657 degrees ! Estimated noise=0.810939 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000833469 Jy ! Component: 100 - total flux cleaned = -0.00103305 Jy ! Component: 150 - total flux cleaned = -0.00114333 Jy ! Component: 200 - total flux cleaned = -0.00124225 Jy ! Total flux subtracted in 200 components = -0.00124225 Jy ! Clean residual min=-0.002861 max=0.002397 Jy/beam ! Clean residual mean=-0.000003 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.402049 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 106 components and 0.402049 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=0.059718Jy sigma=0.458964 ! Fit after self-cal, rms=0.059716Jy sigma=0.458894 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 = 0.000244406 Jy ! Component: 100 - total flux cleaned = 0.00028882 Jy ! Component: 150 - total flux cleaned = 0.000166104 Jy ! Component: 200 - total flux cleaned = 0.000127915 Jy ! Total flux subtracted in 200 components = 0.000127915 Jy ! Clean residual min=-0.002791 max=0.002270 Jy/beam ! Clean residual mean=-0.000003 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.402177 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 112 components and 0.402177 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=0.059648Jy sigma=0.458414 ! Fit after self-cal, rms=0.059647Jy sigma=0.458378 ! 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=0.059647Jy sigma=0.458378 ! Fit after self-cal, rms=0.060091Jy sigma=0.458124 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.026 mas, bmaj=3.083 mas, bpa=-5.1 degrees ! Estimated noise=1.00325 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00116317 Jy ! Component: 100 - total flux cleaned = -0.00106405 Jy ! Component: 150 - total flux cleaned = -0.00103864 Jy ! Component: 200 - total flux cleaned = -0.00101742 Jy ! Total flux subtracted in 200 components = -0.00101742 Jy ! Clean residual min=-0.002008 max=0.002060 Jy/beam ! Clean residual mean=-0.000006 rms=0.000509 Jy/beam ! Combined flux in latest and established models = 0.40116 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 125 components and 0.40116 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=0.060069Jy sigma=0.457797 ! Fit after self-cal, rms=0.060071Jy sigma=0.457744 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 = -6.08614e-05 Jy ! Component: 100 - total flux cleaned = 2.94811e-05 Jy ! Component: 150 - total flux cleaned = 0.000154785 Jy ! Component: 200 - total flux cleaned = 0.000201073 Jy ! Total flux subtracted in 200 components = 0.000201073 Jy ! Clean residual min=-0.001983 max=0.001950 Jy/beam ! Clean residual mean=-0.000006 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.401361 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 135 components and 0.401361 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=0.060071Jy sigma=0.457635 ! Fit after self-cal, rms=0.060073Jy sigma=0.457615 ! 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=0.9388 mas, bmaj=2.039 mas, bpa=1.778 degrees ! Estimated noise=0.811434 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9388 x 2.039 at 1.778 degrees (North through East) ! Clean map min=-0.0023615 max=0.26254 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=0.7565 mas, bmaj=1.771 mas, bpa=1.258 degrees ! Estimated noise=1.2078 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.197348 Jy ! Component: 100 - total flux cleaned = 0.257845 Jy ! Component: 150 - total flux cleaned = 0.295249 Jy ! Component: 200 - total flux cleaned = 0.320582 Jy ! Total flux subtracted in 200 components = 0.320582 Jy ! Clean residual min=-0.005354 max=0.013858 Jy/beam ! Clean residual mean=-0.000018 rms=0.001514 Jy/beam ! Combined flux in latest and established models = 0.320582 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 0.320582 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9388 mas, bmaj=2.039 mas, bpa=1.778 degrees ! Estimated noise=0.811434 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 = 0.0265789 Jy ! Component: 100 - total flux cleaned = 0.0431316 Jy ! Component: 150 - total flux cleaned = 0.0542112 Jy ! Component: 200 - total flux cleaned = 0.061729 Jy ! Total flux subtracted in 200 components = 0.061729 Jy ! Clean residual min=-0.003023 max=0.004154 Jy/beam ! Clean residual mean=-0.000009 rms=0.000692 Jy/beam ! Combined flux in latest and established models = 0.382311 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 39 components and 0.382311 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00535456 Jy ! Component: 100 - total flux cleaned = 0.0093007 Jy ! Component: 150 - total flux cleaned = 0.012374 Jy ! Component: 200 - total flux cleaned = 0.0148177 Jy ! Total flux subtracted in 200 components = 0.0148177 Jy ! Clean residual min=-0.002599 max=0.002113 Jy/beam ! Clean residual mean=-0.000004 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.397129 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 58 components and 0.397129 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=2.026 mas, bmaj=3.083 mas, bpa=-5.1 degrees ! Estimated noise=1.00325 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00277137 Jy ! Component: 100 - total flux cleaned = 0.0036901 Jy ! Component: 150 - total flux cleaned = 0.00393288 Jy ! Component: 200 - total flux cleaned = 0.00401323 Jy ! Total flux subtracted in 200 components = 0.00401323 Jy ! Clean residual min=-0.001968 max=0.001860 Jy/beam ! Clean residual mean=-0.000006 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.401142 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 = 6.75974e-05 Jy ! Component: 100 - total flux cleaned = 0.000158035 Jy ! Component: 150 - total flux cleaned = 0.000238775 Jy ! Component: 200 - total flux cleaned = 0.000310807 Jy ! Total flux subtracted in 200 components = 0.000310807 Jy ! Clean residual min=-0.001978 max=0.001870 Jy/beam ! Clean residual mean=-0.000006 rms=0.000509 Jy/beam ! Combined flux in latest and established models = 0.401453 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 95 components and 0.401453 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9388 mas, bmaj=2.039 mas, bpa=1.778 degrees ! Estimated noise=0.811434 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000742606 Jy ! Component: 100 - total flux cleaned = 0.000599019 Jy ! Component: 150 - total flux cleaned = 0.000473005 Jy ! Component: 200 - total flux cleaned = 0.000315188 Jy ! Total flux subtracted in 200 components = 0.000315188 Jy ! Clean residual min=-0.002438 max=0.001952 Jy/beam ! Clean residual mean=-0.000003 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.401768 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 114 components and 0.401768 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=0.059991Jy sigma=0.457342 ! Fit after self-cal, rms=0.059959Jy sigma=0.457246 wmodel J2257+0743_X_g_map.mod ! Writing 114 model components to file: J2257+0743_X_g_map.mod wobs J2257+0743_X_g_uvs.fits ! Writing UV FITS file: J2257+0743_X_g_uvs.fits wwins J2257+0743_X_g_map.win ! wwins: Wrote 5 windows to J2257+0743_X_g_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 = -0.000587194 Jy ! Component: 100 - total flux cleaned = -0.000958175 Jy ! Component: 150 - total flux cleaned = -0.00121138 Jy ! Component: 200 - total flux cleaned = -0.00136242 Jy ! Component: 250 - total flux cleaned = -0.00150877 Jy ! Component: 300 - total flux cleaned = -0.00176412 Jy ! Component: 350 - total flux cleaned = -0.00190193 Jy ! Component: 400 - total flux cleaned = -0.00209036 Jy ! Component: 450 - total flux cleaned = -0.00224816 Jy ! Component: 500 - total flux cleaned = -0.00237712 Jy ! Component: 550 - total flux cleaned = -0.00257921 Jy ! Component: 600 - total flux cleaned = -0.00270299 Jy ! Component: 650 - total flux cleaned = -0.00280063 Jy ! Component: 700 - total flux cleaned = -0.00284909 Jy ! Component: 750 - total flux cleaned = -0.00296756 Jy ! Component: 800 - total flux cleaned = -0.00306092 Jy ! Component: 850 - total flux cleaned = -0.0031759 Jy ! Component: 900 - total flux cleaned = -0.00319853 Jy ! Component: 950 - total flux cleaned = -0.00317646 Jy ! Component: 1000 - total flux cleaned = -0.00322096 Jy ! Component: 1050 - total flux cleaned = -0.00330917 Jy ! Component: 1100 - total flux cleaned = -0.00339563 Jy ! Component: 1150 - total flux cleaned = -0.00346005 Jy ! Component: 1200 - total flux cleaned = -0.00354467 Jy ! Component: 1250 - total flux cleaned = -0.00358623 Jy ! Component: 1300 - total flux cleaned = -0.00356515 Jy ! Component: 1350 - total flux cleaned = -0.00358613 Jy ! Component: 1400 - total flux cleaned = -0.0035865 Jy ! Component: 1450 - total flux cleaned = -0.00368746 Jy ! Component: 1500 - total flux cleaned = -0.00374722 Jy ! Component: 1550 - total flux cleaned = -0.00380688 Jy ! Component: 1600 - total flux cleaned = -0.00386583 Jy ! Component: 1650 - total flux cleaned = -0.00394346 Jy ! Component: 1700 - total flux cleaned = -0.00405926 Jy ! Component: 1750 - total flux cleaned = -0.00405933 Jy ! Component: 1800 - total flux cleaned = -0.0041731 Jy ! Component: 1850 - total flux cleaned = -0.0042484 Jy ! Component: 1900 - total flux cleaned = -0.00430438 Jy ! Component: 1950 - total flux cleaned = -0.00436001 Jy ! Component: 2000 - total flux cleaned = -0.0045071 Jy ! Component: 2050 - total flux cleaned = -0.00454338 Jy ! Component: 2100 - total flux cleaned = -0.00463407 Jy ! Component: 2150 - total flux cleaned = -0.00472393 Jy ! Component: 2200 - total flux cleaned = -0.0047419 Jy ! Component: 2250 - total flux cleaned = -0.00477749 Jy ! Component: 2300 - total flux cleaned = -0.00486531 Jy ! Component: 2350 - total flux cleaned = -0.00484794 Jy ! Component: 2400 - total flux cleaned = -0.00495216 Jy ! Component: 2450 - total flux cleaned = -0.00503829 Jy ! Component: 2500 - total flux cleaned = -0.00498687 Jy ! Component: 2550 - total flux cleaned = -0.00495274 Jy ! Component: 2600 - total flux cleaned = -0.00498653 Jy ! Component: 2650 - total flux cleaned = -0.00503684 Jy ! Component: 2700 - total flux cleaned = -0.00507021 Jy ! Component: 2750 - total flux cleaned = -0.00508671 Jy ! Component: 2800 - total flux cleaned = -0.00510314 Jy ! Component: 2850 - total flux cleaned = -0.00510325 Jy ! Component: 2900 - total flux cleaned = -0.00513558 Jy ! Component: 2950 - total flux cleaned = -0.00515195 Jy ! Component: 3000 - total flux cleaned = -0.00520023 Jy ! Component: 3050 - total flux cleaned = -0.00524811 Jy ! Component: 3100 - total flux cleaned = -0.00524821 Jy ! Component: 3150 - total flux cleaned = -0.00529546 Jy ! Component: 3200 - total flux cleaned = -0.00526398 Jy ! Component: 3250 - total flux cleaned = -0.00526396 Jy ! Component: 3300 - total flux cleaned = -0.00531044 Jy ! Component: 3350 - total flux cleaned = -0.00531046 Jy ! Component: 3400 - total flux cleaned = -0.00523355 Jy ! Component: 3450 - total flux cleaned = -0.00529479 Jy ! Component: 3500 - total flux cleaned = -0.00540143 Jy ! Component: 3550 - total flux cleaned = -0.00543177 Jy ! Component: 3600 - total flux cleaned = -0.00553722 Jy ! Component: 3650 - total flux cleaned = -0.00558201 Jy ! Component: 3700 - total flux cleaned = -0.00555217 Jy ! Component: 3750 - total flux cleaned = -0.00556693 Jy ! Component: 3800 - total flux cleaned = -0.00564082 Jy ! Component: 3850 - total flux cleaned = -0.00572901 Jy ! Component: 3900 - total flux cleaned = -0.00571438 Jy ! Component: 3950 - total flux cleaned = -0.00578722 Jy ! Component: 4000 - total flux cleaned = -0.00585967 Jy ! Component: 4050 - total flux cleaned = -0.00588844 Jy ! Total flux subtracted in 4096 components = -0.00598887 Jy ! Clean residual min=-0.000817 max=0.000981 Jy/beam ! Clean residual mean=-0.000002 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.39578 Jy keep ! Adding 320 model components to the UV plane model. ! The established model now contains 434 components and 0.39578 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2257+0743_X_g_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9388 x 2.039 at 1.778 degrees (North through East) ! Clean map min=-0.0019071 max=0.26281 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2257+0743_X_g_map.fits wmodel /image_prod/ug002_uva//J2257+0743_X_g_map.mod ! Writing 434 model components to file: /image_prod/ug002_uva//J2257+0743_X_g_map.mod wobs /image_prod/ug002_uva//J2257+0743_X_g_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2257+0743_X_g_uvs.fits wwins /image_prod/ug002_uva//J2257+0743_X_g_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J2257+0743_X_g_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.262807 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000253866 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.289794 0.289794 0.579588 1.15918 2.31835 4.63671 9.27341 18.5468 37.0936 74.1873 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.262 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1035.22 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2257+0743_X_g_dfm.log closed on Thu Mar 5 06:00:40 2020