! Started logfile: /vlbi/uf001/uva//J1557+4522_X_dfm.log on Mon Jan 14 03:30:38 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//J1557+4522_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1557+4522_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.992982 visibilities/baseline/integration-bin. ! Found source: J1557+4522 ! ! 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 30564 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 J1557+4522_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.997478Jy sigma=25.509468 ! Fit after self-cal, rms=0.930362Jy sigma=23.781312 ! 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=0.7388 mas, bmaj=1.139 mas, bpa=-0.7525 degrees ! Estimated noise=0.348206 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 = 0.053972 Jy ! Component: 100 - total flux cleaned = 0.06698 Jy ! Total flux subtracted in 100 components = 0.06698 Jy ! Clean residual min=-0.002751 max=0.005035 Jy/beam ! Clean residual mean=0.000003 rms=0.000628 Jy/beam ! Combined flux in latest and established models = 0.06698 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.06698 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=0.055209Jy sigma=1.316098 ! Fit after self-cal, rms=0.054989Jy sigma=1.310883 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00528866 Jy ! Component: 100 - total flux cleaned = 0.00608372 Jy ! Total flux subtracted in 100 components = 0.00608372 Jy ! Clean residual min=-0.002612 max=0.002967 Jy/beam ! Clean residual mean=0.000002 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.0730637 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 0.0730637 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=0.054511Jy sigma=1.297363 ! Fit after self-cal, rms=0.054511Jy sigma=1.297241 ! 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=0.981 mas, bmaj=1.459 mas, bpa=0.8477 degrees ! Estimated noise=0.166305 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 (1.6, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00294425 Jy ! Component: 100 - total flux cleaned = 0.00485241 Jy ! Component: 150 - total flux cleaned = 0.00573981 Jy ! Component: 200 - total flux cleaned = 0.00613271 Jy ! Total flux subtracted in 200 components = 0.00613271 Jy ! Clean residual min=-0.001892 max=0.002287 Jy/beam ! Clean residual mean=0.000002 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.0791964 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 24 components and 0.0791964 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=0.054330Jy sigma=1.291786 ! Fit after self-cal, rms=0.054314Jy sigma=1.291304 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.981 x 1.459 at 0.8477 degrees (North through East) ! Clean map min=-0.0018162 max=0.070456 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.90 KP 1.01 ! LA 0.95 MK 1.01 NL 1.16 OV 0.91 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.94 KP 1.02 ! LA 0.94 MK 1.07 NL 1.12 OV 0.93 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.94 KP 1.01 ! LA 0.95 MK 1.04 NL 1.13 OV 0.89 ! PT 1.01 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.97 KP 1.06 ! LA 0.92 MK 1.05 NL 1.17 OV 0.91 ! PT 1.00 SC 0.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.06 HN 0.96 KP 1.07 ! LA 0.96 MK 0.99 NL 1.14 OV 0.89 ! PT 1.01 SC 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.93 KP 1.05 ! LA 0.96 MK 1.06 NL 1.13 OV 0.89 ! PT 1.01 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.93 KP 1.08 ! LA 0.95 MK 1.05 NL 1.14 OV 0.91 ! PT 0.98 SC 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.96 KP 1.07 ! LA 0.90 MK 1.03 NL 1.15 OV 0.90 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 0.93 KP 1.03 ! LA 0.93 MK 1.01 NL 1.14 OV 0.94 ! PT 0.99 SC 0.92 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.92 KP 1.05 ! LA 0.92 MK 1.02 NL 1.11 OV 0.89 ! PT 1.00 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.89 KP 1.01 ! LA 0.94 MK 1.01 NL 1.09 OV 0.91 ! PT 1.02 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 0.92 KP 1.04 ! LA 0.95 MK 0.95 NL 1.15 OV 0.93 ! PT 0.99 SC 0.95 ! ! ! Fit before self-cal, rms=0.054314Jy sigma=1.291304 ! Fit after self-cal, rms=0.052992Jy sigma=1.279098 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9748 mas, bmaj=1.455 mas, bpa=1.612 degrees ! Estimated noise=0.16546 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 = -0.000484788 Jy ! Component: 100 - total flux cleaned = -0.000599972 Jy ! Component: 150 - total flux cleaned = -0.000647404 Jy ! Component: 200 - total flux cleaned = -0.000688083 Jy ! Total flux subtracted in 200 components = -0.000688083 Jy ! Clean residual min=-0.000975 max=0.000922 Jy/beam ! Clean residual mean=0.000002 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.0785083 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 41 components and 0.0785083 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=0.052966Jy sigma=1.278472 ! Fit after self-cal, rms=0.053005Jy sigma=1.278101 ! 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=0.053005Jy sigma=1.278101 ! Fit after self-cal, rms=0.053374Jy sigma=1.274447 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9776 mas, bmaj=1.45 mas, bpa=2.203 degrees ! Estimated noise=0.165764 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000374248 Jy ! Component: 100 - total flux cleaned = -0.000436656 Jy ! Component: 150 - total flux cleaned = -0.000476193 Jy ! Component: 200 - total flux cleaned = -0.000497792 Jy ! Total flux subtracted in 200 components = -0.000497792 Jy ! Clean residual min=-0.001067 max=0.000842 Jy/beam ! Clean residual mean=0.000003 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0780106 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 53 components and 0.0780106 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=0.053366Jy sigma=1.274257 ! Fit after self-cal, rms=0.053386Jy sigma=1.274142 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 = -4.766e-05 Jy ! Component: 100 - total flux cleaned = -4.71984e-05 Jy ! Component: 150 - total flux cleaned = -4.71697e-05 Jy ! Component: 200 - total flux cleaned = -4.70632e-05 Jy ! Total flux subtracted in 200 components = -4.70632e-05 Jy ! Clean residual min=-0.001056 max=0.000828 Jy/beam ! Clean residual mean=0.000003 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0779635 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 62 components and 0.0779635 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=0.053383Jy sigma=1.274073 ! Fit after self-cal, rms=0.053383Jy sigma=1.274069 ! 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=0.053383Jy sigma=1.274069 ! Fit after self-cal, rms=0.053461Jy sigma=1.274048 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9768 mas, bmaj=1.45 mas, bpa=2.172 degrees ! Estimated noise=0.16599 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000109698 Jy ! Component: 100 - total flux cleaned = -0.000140929 Jy ! Component: 150 - total flux cleaned = -0.000131933 Jy ! Component: 200 - total flux cleaned = -0.000115614 Jy ! Total flux subtracted in 200 components = -0.000115614 Jy ! Clean residual min=-0.001051 max=0.000816 Jy/beam ! Clean residual mean=0.000003 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0778479 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 66 components and 0.0778479 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=0.053458Jy sigma=1.273966 ! Fit after self-cal, rms=0.053459Jy sigma=1.273955 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 = -2.61742e-05 Jy ! Component: 100 - total flux cleaned = -2.62097e-05 Jy ! Component: 150 - total flux cleaned = -2.61134e-05 Jy ! Component: 200 - total flux cleaned = -2.61725e-05 Jy ! Total flux subtracted in 200 components = -2.61725e-05 Jy ! Clean residual min=-0.001041 max=0.000811 Jy/beam ! Clean residual mean=0.000003 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0778217 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 70 components and 0.0778217 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=0.053457Jy sigma=1.273916 ! Fit after self-cal, rms=0.053457Jy sigma=1.273918 ! 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=0.053457Jy sigma=1.273918 ! Fit after self-cal, rms=0.053464Jy sigma=1.273902 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.227 mas, bmaj=2.513 mas, bpa=12.83 degrees ! Estimated noise=0.208054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000110906 Jy ! Component: 100 - total flux cleaned = -6.62527e-05 Jy ! Component: 150 - total flux cleaned = -4.24129e-05 Jy ! Component: 200 - total flux cleaned = -2.23518e-05 Jy ! Total flux subtracted in 200 components = -2.23518e-05 Jy ! Clean residual min=-0.001225 max=0.000856 Jy/beam ! Clean residual mean=0.000007 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.0777993 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 82 components and 0.0777993 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=0.053464Jy sigma=1.273884 ! Fit after self-cal, rms=0.053464Jy sigma=1.273880 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 = -1.30482e-05 Jy ! Component: 100 - total flux cleaned = -3.97702e-06 Jy ! Component: 150 - total flux cleaned = -8.10004e-08 Jy ! Component: 200 - total flux cleaned = 6.9613e-06 Jy ! Total flux subtracted in 200 components = 6.9613e-06 Jy ! Clean residual min=-0.001214 max=0.000859 Jy/beam ! Clean residual mean=0.000007 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.0778063 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 86 components and 0.0778063 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=0.053465Jy sigma=1.273881 ! Fit after self-cal, rms=0.053464Jy sigma=1.273877 ! 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=0.9758 mas, bmaj=1.449 mas, bpa=2.103 degrees ! Estimated noise=0.166087 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9758 x 1.449 at 2.103 degrees (North through East) ! Clean map min=-0.00098479 max=0.070283 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=0.7345 mas, bmaj=1.127 mas, bpa=0.7298 degrees ! Estimated noise=0.345696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0535549 Jy ! Component: 100 - total flux cleaned = 0.0666296 Jy ! Component: 150 - total flux cleaned = 0.0717773 Jy ! Component: 200 - total flux cleaned = 0.0744413 Jy ! Total flux subtracted in 200 components = 0.0744413 Jy ! Clean residual min=-0.001876 max=0.002048 Jy/beam ! Clean residual mean=0.000002 rms=0.000476 Jy/beam ! Combined flux in latest and established models = 0.0744414 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0744414 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9758 mas, bmaj=1.449 mas, bpa=2.103 degrees ! Estimated noise=0.166087 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 = 0.00201851 Jy ! Component: 100 - total flux cleaned = 0.00276935 Jy ! Component: 150 - total flux cleaned = 0.00297808 Jy ! Component: 200 - total flux cleaned = 0.00307874 Jy ! Total flux subtracted in 200 components = 0.00307874 Jy ! Clean residual min=-0.001090 max=0.000846 Jy/beam ! Clean residual mean=0.000003 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.0775201 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 0.0775201 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=2.227 mas, bmaj=2.513 mas, bpa=12.83 degrees ! Estimated noise=0.208054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.51204e-05 Jy ! Component: 100 - total flux cleaned = 7.95071e-05 Jy ! Component: 150 - total flux cleaned = 0.000115631 Jy ! Component: 200 - total flux cleaned = 0.000146394 Jy ! Total flux subtracted in 200 components = 0.000146394 Jy ! Clean residual min=-0.001266 max=0.000895 Jy/beam ! Clean residual mean=0.000008 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.0776665 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 = 9.00481e-06 Jy ! Component: 100 - total flux cleaned = 1.68288e-05 Jy ! Component: 150 - total flux cleaned = 2.37123e-05 Jy ! Component: 200 - total flux cleaned = 2.35828e-05 Jy ! Total flux subtracted in 200 components = 2.35828e-05 Jy ! Clean residual min=-0.001242 max=0.000882 Jy/beam ! Clean residual mean=0.000008 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0776901 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 48 components and 0.0776901 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9758 mas, bmaj=1.449 mas, bpa=2.103 degrees ! Estimated noise=0.166087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.79266e-05 Jy ! Component: 100 - total flux cleaned = -3.51126e-06 Jy ! Component: 150 - total flux cleaned = -3.66436e-06 Jy ! Component: 200 - total flux cleaned = 8.95578e-06 Jy ! Total flux subtracted in 200 components = 8.95578e-06 Jy ! Clean residual min=-0.001057 max=0.000789 Jy/beam ! Clean residual mean=0.000003 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.077699 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 58 components and 0.077699 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=0.053471Jy sigma=1.274022 ! Fit after self-cal, rms=0.053469Jy sigma=1.273988 wmodel J1557+4522_X_map.mod ! Writing 58 model components to file: J1557+4522_X_map.mod wobs J1557+4522_X_uvs.fits ! Writing UV FITS file: J1557+4522_X_uvs.fits wwins J1557+4522_X_map.win ! wwins: Wrote 2 windows to J1557+4522_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000399616 Jy ! Component: 100 - total flux cleaned = -0.000505673 Jy ! Component: 150 - total flux cleaned = -0.0005496 Jy ! Component: 200 - total flux cleaned = -0.000647418 Jy ! Component: 250 - total flux cleaned = -0.000687922 Jy ! Component: 300 - total flux cleaned = -0.000674578 Jy ! Component: 350 - total flux cleaned = -0.000687629 Jy ! Component: 400 - total flux cleaned = -0.000687599 Jy ! Component: 450 - total flux cleaned = -0.000700101 Jy ! Component: 500 - total flux cleaned = -0.000675212 Jy ! Component: 550 - total flux cleaned = -0.000650778 Jy ! Component: 600 - total flux cleaned = -0.000638705 Jy ! Component: 650 - total flux cleaned = -0.000603056 Jy ! Component: 700 - total flux cleaned = -0.000544667 Jy ! Component: 750 - total flux cleaned = -0.000486893 Jy ! Component: 800 - total flux cleaned = -0.000452733 Jy ! Component: 850 - total flux cleaned = -0.000418866 Jy ! Component: 900 - total flux cleaned = -0.000351768 Jy ! Component: 950 - total flux cleaned = -0.000340844 Jy ! Component: 1000 - total flux cleaned = -0.00029686 Jy ! Component: 1050 - total flux cleaned = -0.000231876 Jy ! Component: 1100 - total flux cleaned = -0.000231949 Jy ! Component: 1150 - total flux cleaned = -0.000146656 Jy ! Component: 1200 - total flux cleaned = -0.000157373 Jy ! Component: 1250 - total flux cleaned = -0.000104941 Jy ! Component: 1300 - total flux cleaned = -8.41005e-05 Jy ! Component: 1350 - total flux cleaned = -2.23416e-05 Jy ! Component: 1400 - total flux cleaned = -2.13751e-06 Jy ! Component: 1450 - total flux cleaned = 2.83903e-05 Jy ! Component: 1500 - total flux cleaned = 9.87475e-05 Jy ! Component: 1550 - total flux cleaned = 7.87744e-05 Jy ! Component: 1600 - total flux cleaned = 0.000128396 Jy ! Component: 1650 - total flux cleaned = 0.000167768 Jy ! Component: 1700 - total flux cleaned = 0.00021659 Jy ! Component: 1750 - total flux cleaned = 0.000255361 Jy ! Component: 1800 - total flux cleaned = 0.000264948 Jy ! Component: 1850 - total flux cleaned = 0.000312693 Jy ! Component: 1900 - total flux cleaned = 0.000341037 Jy ! Component: 1950 - total flux cleaned = 0.00035986 Jy ! Component: 2000 - total flux cleaned = 0.000378555 Jy ! Component: 2050 - total flux cleaned = 0.000415772 Jy ! Component: 2100 - total flux cleaned = 0.000443349 Jy ! Component: 2150 - total flux cleaned = 0.000489234 Jy ! Component: 2200 - total flux cleaned = 0.000525681 Jy ! Component: 2250 - total flux cleaned = 0.000561831 Jy ! Component: 2300 - total flux cleaned = 0.000570827 Jy ! Component: 2350 - total flux cleaned = 0.000597561 Jy ! Component: 2400 - total flux cleaned = 0.00065088 Jy ! Component: 2450 - total flux cleaned = 0.000659638 Jy ! Component: 2500 - total flux cleaned = 0.000720955 Jy ! Component: 2550 - total flux cleaned = 0.000720997 Jy ! Component: 2600 - total flux cleaned = 0.00073829 Jy ! Component: 2650 - total flux cleaned = 0.000755551 Jy ! Component: 2700 - total flux cleaned = 0.000772655 Jy ! Component: 2750 - total flux cleaned = 0.000798068 Jy ! Component: 2800 - total flux cleaned = 0.000865622 Jy ! Component: 2850 - total flux cleaned = 0.0008572 Jy ! Component: 2900 - total flux cleaned = 0.000865618 Jy ! Component: 2950 - total flux cleaned = 0.00094858 Jy ! Component: 3000 - total flux cleaned = 0.00094027 Jy ! Component: 3050 - total flux cleaned = 0.00095666 Jy ! Component: 3100 - total flux cleaned = 0.000972956 Jy ! Component: 3150 - total flux cleaned = 0.00103796 Jy ! Component: 3200 - total flux cleaned = 0.00104597 Jy ! Component: 3250 - total flux cleaned = 0.00110217 Jy ! Component: 3300 - total flux cleaned = 0.00112608 Jy ! Component: 3350 - total flux cleaned = 0.00115794 Jy ! Component: 3400 - total flux cleaned = 0.00115789 Jy ! Component: 3450 - total flux cleaned = 0.00118141 Jy ! Component: 3500 - total flux cleaned = 0.00122841 Jy ! Component: 3550 - total flux cleaned = 0.0012362 Jy ! Component: 3600 - total flux cleaned = 0.00125174 Jy ! Component: 3650 - total flux cleaned = 0.00135212 Jy ! Component: 3700 - total flux cleaned = 0.00134438 Jy ! Component: 3750 - total flux cleaned = 0.00136729 Jy ! Component: 3800 - total flux cleaned = 0.00139014 Jy ! Component: 3850 - total flux cleaned = 0.0014128 Jy ! Component: 3900 - total flux cleaned = 0.00142033 Jy ! Component: 3950 - total flux cleaned = 0.00142778 Jy ! Component: 4000 - total flux cleaned = 0.00148003 Jy ! Component: 4050 - total flux cleaned = 0.00149486 Jy ! Total flux subtracted in 4096 components = 0.00148008 Jy ! Clean residual min=-0.000459 max=0.000504 Jy/beam ! Clean residual mean=0.000001 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.0791791 Jy keep ! Adding 318 model components to the UV plane model. ! The established model now contains 376 components and 0.0791791 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1557+4522_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9758 x 1.449 at 2.103 degrees (North through East) ! Clean map min=-0.00070348 max=0.070289 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1557+4522_X_map.fits wmodel /vlbi/uf001/uva//J1557+4522_X_map.mod ! Writing 376 model components to file: /vlbi/uf001/uva//J1557+4522_X_map.mod wobs /vlbi/uf001/uva//J1557+4522_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1557+4522_X_uvs.fits wwins /vlbi/uf001/uva//J1557+4522_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1557+4522_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0702886 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000125291 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.534758 0.534758 1.06952 2.13903 4.27807 8.55613 17.1123 34.2245 68.4491 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.07 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 561.001 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1557+4522_X_dfm.log closed on Mon Jan 14 03:30:43 2019