! Started logfile: /image_prod/ug002_uva//J1656+1826_X_dfm.log on Thu Mar 5 03:00:36 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//J1656+1826_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1656+1826_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.905093 visibilities/baseline/integration-bin. ! Found source: J1656+1826 ! ! 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 121 lines of history. ! ! Reading 23460 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 J1656+1826_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 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.012329Jy sigma=8.966443 ! Fit after self-cal, rms=0.894290Jy sigma=7.840709 ! 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=0.7983 mas, bmaj=1.575 mas, bpa=-4.046 degrees ! Estimated noise=1.04161 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 = 0.0807469 Jy ! Component: 100 - total flux cleaned = 0.112216 Jy ! Total flux subtracted in 100 components = 0.112216 Jy ! Clean residual min=-0.006815 max=0.017588 Jy/beam ! Clean residual mean=-0.000007 rms=0.001768 Jy/beam ! Combined flux in latest and established models = 0.112216 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.112216 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=0.075455Jy sigma=0.586767 ! Fit after self-cal, rms=0.074798Jy sigma=0.582524 ! Inverting map ! Added new window around map position (-1, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0192822 Jy ! Component: 100 - total flux cleaned = 0.0293223 Jy ! Total flux subtracted in 100 components = 0.0293223 Jy ! Clean residual min=-0.005487 max=0.005887 Jy/beam ! Clean residual mean=-0.000003 rms=0.001122 Jy/beam ! Combined flux in latest and established models = 0.141538 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 14 components and 0.141538 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=0.069158Jy sigma=0.522608 ! Fit after self-cal, rms=0.068906Jy sigma=0.520682 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00611084 Jy ! Component: 100 - total flux cleaned = 0.00836705 Jy ! Total flux subtracted in 100 components = 0.00836705 Jy ! Clean residual min=-0.005403 max=0.005362 Jy/beam ! Clean residual mean=-0.000002 rms=0.000989 Jy/beam ! Combined flux in latest and established models = 0.149906 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 0.149906 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=0.067977Jy sigma=0.512170 ! Fit after self-cal, rms=0.067930Jy sigma=0.511804 ! 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=0.9907 mas, bmaj=1.825 mas, bpa=-2.29 degrees ! Estimated noise=0.537749 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 (-2.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00668554 Jy ! Component: 100 - total flux cleaned = 0.0100581 Jy ! Component: 150 - total flux cleaned = 0.0117629 Jy ! Component: 200 - total flux cleaned = 0.0130052 Jy ! Total flux subtracted in 200 components = 0.0130052 Jy ! Clean residual min=-0.004267 max=0.003927 Jy/beam ! Clean residual mean=-0.000002 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 0.162911 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 45 components and 0.162911 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=0.067114Jy sigma=0.503503 ! Fit after self-cal, rms=0.067042Jy sigma=0.502864 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9907 x 1.825 at -2.29 degrees (North through East) ! Clean map min=-0.0041406 max=0.10948 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.80 KP 1.01 ! LA 0.98 MK 1.19 NL 1.13 OV 0.98 ! SC 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 0.80 KP 1.01 ! LA 0.95 MK 1.17 NL 1.13 OV 0.97 ! SC 1.11 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HN 0.83 KP 1.03 ! LA 0.97 MK 1.32 NL 1.14 OV 0.96 ! SC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HN 0.84 KP 1.04 ! LA 0.95 MK 1.15 NL 1.14 OV 0.98 ! SC 1.07 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 0.80 KP 1.01 ! LA 0.97 MK 1.26 NL 1.14 OV 0.99 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 0.81 KP 1.03 ! LA 0.96 MK 1.16 NL 1.15 OV 0.99 ! SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.83 KP 1.04 ! LA 0.95 MK 1.21 NL 1.13 OV 1.00 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 0.82 KP 1.03 ! LA 0.96 MK 1.07 NL 1.12 OV 0.99 ! SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.81 KP 1.02 ! LA 0.96 MK 1.07 NL 1.15 OV 0.99 ! SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 0.86 KP 1.03 ! LA 1.00 MK 1.11 NL 1.12 OV 0.96 ! SC 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 0.85 KP 1.04 ! LA 0.94 MK 1.09 NL 1.12 OV 1.00 ! SC 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 0.80 KP 1.03 ! LA 0.97 MK 1.22 NL 1.12 OV 0.98 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.067042Jy sigma=0.502864 ! Fit after self-cal, rms=0.064997Jy sigma=0.489391 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.009 mas, bmaj=1.841 mas, bpa=-1.529 degrees ! Estimated noise=0.532599 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 = 0.00273065 Jy ! Component: 100 - total flux cleaned = 0.00324069 Jy ! Component: 150 - total flux cleaned = 0.00339371 Jy ! Component: 200 - total flux cleaned = 0.00339841 Jy ! Total flux subtracted in 200 components = 0.00339841 Jy ! Clean residual min=-0.001763 max=0.001830 Jy/beam ! Clean residual mean=-0.000001 rms=0.000394 Jy/beam ! Combined flux in latest and established models = 0.166309 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.166309 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=0.064858Jy sigma=0.487972 ! Fit after self-cal, rms=0.064854Jy sigma=0.487567 ! 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=0.064854Jy sigma=0.487567 ! Fit after self-cal, rms=0.065885Jy sigma=0.483922 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.003 mas, bmaj=1.836 mas, bpa=-0.9533 degrees ! Estimated noise=0.533841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000883904 Jy ! Component: 100 - total flux cleaned = 0.00113982 Jy ! Component: 150 - total flux cleaned = 0.00126602 Jy ! Component: 200 - total flux cleaned = 0.00132066 Jy ! Total flux subtracted in 200 components = 0.00132066 Jy ! Clean residual min=-0.001187 max=0.001169 Jy/beam ! Clean residual mean=-0.000001 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.16763 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 80 components and 0.16763 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=0.065865Jy sigma=0.483704 ! Fit after self-cal, rms=0.065885Jy sigma=0.483628 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 = 0.000270754 Jy ! Component: 100 - total flux cleaned = 0.000369959 Jy ! Component: 150 - total flux cleaned = 0.000369571 Jy ! Component: 200 - total flux cleaned = 0.000384123 Jy ! Total flux subtracted in 200 components = 0.000384123 Jy ! Clean residual min=-0.001170 max=0.001158 Jy/beam ! Clean residual mean=-0.000001 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.168014 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 87 components and 0.168014 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=0.065876Jy sigma=0.483565 ! Fit after self-cal, rms=0.065878Jy sigma=0.483563 ! 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=0.065878Jy sigma=0.483563 ! Fit after self-cal, rms=0.066474Jy sigma=0.483477 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1 mas, bmaj=1.837 mas, bpa=-0.8931 degrees ! Estimated noise=0.533511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000301371 Jy ! Component: 100 - total flux cleaned = 0.0004178 Jy ! Component: 150 - total flux cleaned = 0.00046994 Jy ! Component: 200 - total flux cleaned = 0.000506648 Jy ! Total flux subtracted in 200 components = 0.000506648 Jy ! Clean residual min=-0.001188 max=0.001159 Jy/beam ! Clean residual mean=-0.000001 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.168521 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 96 components and 0.168521 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=0.066467Jy sigma=0.483428 ! Fit after self-cal, rms=0.066472Jy sigma=0.483424 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 = 6.99809e-05 Jy ! Component: 100 - total flux cleaned = 8.16892e-05 Jy ! Component: 150 - total flux cleaned = 9.29791e-05 Jy ! Component: 200 - total flux cleaned = 8.22701e-05 Jy ! Total flux subtracted in 200 components = 8.22701e-05 Jy ! Clean residual min=-0.001189 max=0.001160 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.168603 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 103 components and 0.168603 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=0.066467Jy sigma=0.483399 ! Fit after self-cal, rms=0.066468Jy sigma=0.483397 ! 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=0.066468Jy sigma=0.483397 ! Fit after self-cal, rms=0.066546Jy sigma=0.483392 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.063 mas, bmaj=2.612 mas, bpa=0.8794 degrees ! Estimated noise=0.621567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000180215 Jy ! Component: 100 - total flux cleaned = 0.000290057 Jy ! Component: 150 - total flux cleaned = 0.000320091 Jy ! Component: 200 - total flux cleaned = 0.000325774 Jy ! Total flux subtracted in 200 components = 0.000325774 Jy ! Clean residual min=-0.000950 max=0.000894 Jy/beam ! Clean residual mean=-0.000002 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.168929 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 113 components and 0.168929 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=0.066547Jy sigma=0.483380 ! Fit after self-cal, rms=0.066549Jy sigma=0.483375 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 = 8.22937e-05 Jy ! Component: 100 - total flux cleaned = 0.000100047 Jy ! Component: 150 - total flux cleaned = 0.000109744 Jy ! Component: 200 - total flux cleaned = 0.000114287 Jy ! Total flux subtracted in 200 components = 0.000114287 Jy ! Clean residual min=-0.000946 max=0.000896 Jy/beam ! Clean residual mean=-0.000002 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.169043 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 120 components and 0.169043 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=0.066550Jy sigma=0.483375 ! Fit after self-cal, rms=0.066550Jy sigma=0.483374 ! 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=1 mas, bmaj=1.836 mas, bpa=-0.8286 degrees ! Estimated noise=0.533428 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1 x 1.836 at -0.8286 degrees (North through East) ! Clean map min=-0.0010601 max=0.10816 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=0.8056 mas, bmaj=1.587 mas, bpa=-2.595 degrees ! Estimated noise=1.03782 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0808132 Jy ! Component: 100 - total flux cleaned = 0.11381 Jy ! Component: 150 - total flux cleaned = 0.130728 Jy ! Component: 200 - total flux cleaned = 0.140586 Jy ! Total flux subtracted in 200 components = 0.140586 Jy ! Clean residual min=-0.003342 max=0.005340 Jy/beam ! Clean residual mean=-0.000003 rms=0.000799 Jy/beam ! Combined flux in latest and established models = 0.140586 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.140586 Jy ! Inverting map and beam ! Estimated beam: bmin=1 mas, bmaj=1.836 mas, bpa=-0.8286 degrees ! Estimated noise=0.533428 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 = 0.00915852 Jy ! Component: 100 - total flux cleaned = 0.014818 Jy ! Component: 150 - total flux cleaned = 0.0185793 Jy ! Component: 200 - total flux cleaned = 0.0212429 Jy ! Total flux subtracted in 200 components = 0.0212429 Jy ! Clean residual min=-0.001461 max=0.001612 Jy/beam ! Clean residual mean=-0.000002 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.161829 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 40 components and 0.161829 Jy ! Inverting map ! Added new window around map position (-19, 46.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0018467 Jy ! Component: 100 - total flux cleaned = 0.00284897 Jy ! Component: 150 - total flux cleaned = 0.00366712 Jy ! Component: 200 - total flux cleaned = 0.00432021 Jy ! Total flux subtracted in 200 components = 0.00432021 Jy ! Clean residual min=-0.001317 max=0.001120 Jy/beam ! Clean residual mean=-0.000001 rms=0.000278 Jy/beam ! Combined flux in latest and established models = 0.166149 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 58 components and 0.166149 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=2.063 mas, bmaj=2.612 mas, bpa=0.8794 degrees ! Estimated noise=0.621567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011213 Jy ! Component: 100 - total flux cleaned = 0.00158135 Jy ! Component: 150 - total flux cleaned = 0.0019551 Jy ! Component: 200 - total flux cleaned = 0.00227152 Jy ! Total flux subtracted in 200 components = 0.00227152 Jy ! Clean residual min=-0.000956 max=0.000941 Jy/beam ! Clean residual mean=-0.000002 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.168421 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 = 0.000254573 Jy ! Component: 100 - total flux cleaned = 0.000411934 Jy ! Component: 150 - total flux cleaned = 0.000469034 Jy ! Component: 200 - total flux cleaned = 0.000489577 Jy ! Total flux subtracted in 200 components = 0.000489577 Jy ! Clean residual min=-0.000921 max=0.000962 Jy/beam ! Clean residual mean=-0.000002 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.16891 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 89 components and 0.16891 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1 mas, bmaj=1.836 mas, bpa=-0.8286 degrees ! Estimated noise=0.533428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.42325e-05 Jy ! Component: 100 - total flux cleaned = -9.62603e-06 Jy ! Component: 150 - total flux cleaned = 6.54924e-05 Jy ! Component: 200 - total flux cleaned = 0.000130528 Jy ! Total flux subtracted in 200 components = 0.000130528 Jy ! Clean residual min=-0.001179 max=0.001156 Jy/beam ! Clean residual mean=-0.000001 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.169041 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 98 components and 0.169041 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=0.066572Jy sigma=0.483366 ! Fit after self-cal, rms=0.066546Jy sigma=0.483299 wmodel J1656+1826_X_map.mod ! Writing 98 model components to file: J1656+1826_X_map.mod wobs J1656+1826_X_uvs.fits ! Writing UV FITS file: J1656+1826_X_uvs.fits wwins J1656+1826_X_map.win ! wwins: Wrote 4 windows to J1656+1826_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 = -0.000488544 Jy ! Component: 100 - total flux cleaned = -0.000818577 Jy ! Component: 150 - total flux cleaned = -0.00104009 Jy ! Component: 200 - total flux cleaned = -0.00120003 Jy ! Component: 250 - total flux cleaned = -0.00133831 Jy ! Component: 300 - total flux cleaned = -0.00150643 Jy ! Component: 350 - total flux cleaned = -0.00158829 Jy ! Component: 400 - total flux cleaned = -0.00168472 Jy ! Component: 450 - total flux cleaned = -0.00170056 Jy ! Component: 500 - total flux cleaned = -0.00170065 Jy ! Component: 550 - total flux cleaned = -0.0016857 Jy ! Component: 600 - total flux cleaned = -0.00170095 Jy ! Component: 650 - total flux cleaned = -0.00165712 Jy ! Component: 700 - total flux cleaned = -0.00170056 Jy ! Component: 750 - total flux cleaned = -0.00165768 Jy ! Component: 800 - total flux cleaned = -0.00162939 Jy ! Component: 850 - total flux cleaned = -0.00162927 Jy ! Component: 900 - total flux cleaned = -0.00162919 Jy ! Component: 950 - total flux cleaned = -0.00162928 Jy ! Component: 1000 - total flux cleaned = -0.00168274 Jy ! Component: 1050 - total flux cleaned = -0.00166959 Jy ! Component: 1100 - total flux cleaned = -0.00169598 Jy ! Component: 1150 - total flux cleaned = -0.00167011 Jy ! Component: 1200 - total flux cleaned = -0.00170868 Jy ! Component: 1250 - total flux cleaned = -0.0017468 Jy ! Component: 1300 - total flux cleaned = -0.00177194 Jy ! Component: 1350 - total flux cleaned = -0.00177191 Jy ! Component: 1400 - total flux cleaned = -0.00183369 Jy ! Component: 1450 - total flux cleaned = -0.00183364 Jy ! Component: 1500 - total flux cleaned = -0.00185801 Jy ! Component: 1550 - total flux cleaned = -0.00182184 Jy ! Component: 1600 - total flux cleaned = -0.00185762 Jy ! Component: 1650 - total flux cleaned = -0.00183396 Jy ! Component: 1700 - total flux cleaned = -0.00186924 Jy ! Component: 1750 - total flux cleaned = -0.00184581 Jy ! Component: 1800 - total flux cleaned = -0.00186897 Jy ! Component: 1850 - total flux cleaned = -0.00185754 Jy ! Component: 1900 - total flux cleaned = -0.00186892 Jy ! Component: 1950 - total flux cleaned = -0.0018464 Jy ! Component: 2000 - total flux cleaned = -0.00186885 Jy ! Component: 2050 - total flux cleaned = -0.00180215 Jy ! Component: 2100 - total flux cleaned = -0.00182434 Jy ! Component: 2150 - total flux cleaned = -0.00181329 Jy ! Component: 2200 - total flux cleaned = -0.00175878 Jy ! Component: 2250 - total flux cleaned = -0.0017696 Jy ! Component: 2300 - total flux cleaned = -0.00178031 Jy ! Component: 2350 - total flux cleaned = -0.00171628 Jy ! Component: 2400 - total flux cleaned = -0.00169506 Jy ! Component: 2450 - total flux cleaned = -0.00170563 Jy ! Component: 2500 - total flux cleaned = -0.00165314 Jy ! Component: 2550 - total flux cleaned = -0.00163237 Jy ! Component: 2600 - total flux cleaned = -0.0016116 Jy ! Component: 2650 - total flux cleaned = -0.00158076 Jy ! Component: 2700 - total flux cleaned = -0.00157053 Jy ! Component: 2750 - total flux cleaned = -0.00155003 Jy ! Component: 2800 - total flux cleaned = -0.00153986 Jy ! Component: 2850 - total flux cleaned = -0.00151974 Jy ! Component: 2900 - total flux cleaned = -0.00146968 Jy ! Component: 2950 - total flux cleaned = -0.00147955 Jy ! Component: 3000 - total flux cleaned = -0.00146965 Jy ! Component: 3050 - total flux cleaned = -0.00144009 Jy ! Component: 3100 - total flux cleaned = -0.00144015 Jy ! Component: 3150 - total flux cleaned = -0.00142066 Jy ! Component: 3200 - total flux cleaned = -0.00141102 Jy ! Component: 3250 - total flux cleaned = -0.00141105 Jy ! Component: 3300 - total flux cleaned = -0.00139194 Jy ! Component: 3350 - total flux cleaned = -0.00139199 Jy ! Component: 3400 - total flux cleaned = -0.00142985 Jy ! Component: 3450 - total flux cleaned = -0.00138287 Jy ! Component: 3500 - total flux cleaned = -0.00140157 Jy ! Component: 3550 - total flux cleaned = -0.00141079 Jy ! Component: 3600 - total flux cleaned = -0.0014015 Jy ! Component: 3650 - total flux cleaned = -0.0013647 Jy ! Component: 3700 - total flux cleaned = -0.00140144 Jy ! Component: 3750 - total flux cleaned = -0.00141963 Jy ! Component: 3800 - total flux cleaned = -0.00136528 Jy ! Component: 3850 - total flux cleaned = -0.00133819 Jy ! Component: 3900 - total flux cleaned = -0.0013382 Jy ! Component: 3950 - total flux cleaned = -0.00133828 Jy ! Component: 4000 - total flux cleaned = -0.0013294 Jy ! Component: 4050 - total flux cleaned = -0.00132053 Jy ! Total flux subtracted in 4096 components = -0.00130288 Jy ! Clean residual min=-0.000542 max=0.000644 Jy/beam ! Clean residual mean=-0.000000 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.167738 Jy keep ! Adding 274 model components to the UV plane model. ! The established model now contains 372 components and 0.167738 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1656+1826_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1 x 1.836 at -0.8286 degrees (North through East) ! Clean map min=-0.00095433 max=0.10769 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1656+1826_X_map.fits wmodel /image_prod/ug002_uva//J1656+1826_X_map.mod ! Writing 372 model components to file: /image_prod/ug002_uva//J1656+1826_X_map.mod wobs /image_prod/ug002_uva//J1656+1826_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1656+1826_X_uvs.fits wwins /image_prod/ug002_uva//J1656+1826_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1656+1826_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.107688 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000146109 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.407034 0.407034 0.814069 1.62814 3.25627 6.51255 13.0251 26.0502 52.1004 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.107 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 737.038 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1656+1826_X_dfm.log closed on Thu Mar 5 03:00:45 2020