! Started logfile: /vlbi/uf001/uva//J1831-2714_X_dfm.log on Mon Jan 14 04:41:01 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//J1831-2714_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1831-2714_X_uva.fits ! AN table 1: 28 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.797619 visibilities/baseline/integration-bin. ! Found source: J1831-2714 ! ! 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 12060 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 J1831-2714_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 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.008391Jy sigma=19.662729 ! Fit after self-cal, rms=0.912163Jy sigma=17.642601 ! 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=0.6648 mas, bmaj=1.976 mas, bpa=7.965 degrees ! Estimated noise=0.587241 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 = 0.0723528 Jy ! Component: 100 - total flux cleaned = 0.0892643 Jy ! Total flux subtracted in 100 components = 0.0892643 Jy ! Clean residual min=-0.005177 max=0.009212 Jy/beam ! Clean residual mean=0.000000 rms=0.001290 Jy/beam ! Combined flux in latest and established models = 0.0892643 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0892643 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=0.076155Jy sigma=1.275933 ! Fit after self-cal, rms=0.075764Jy sigma=1.270837 ! Inverting map ! Added new window around map position (1.6, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00894765 Jy ! Component: 100 - total flux cleaned = 0.012473 Jy ! Total flux subtracted in 100 components = 0.012473 Jy ! Clean residual min=-0.004452 max=0.007281 Jy/beam ! Clean residual mean=-0.000000 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.101737 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 0.101737 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=0.074970Jy sigma=1.248038 ! Fit after self-cal, rms=0.074911Jy sigma=1.245454 ! Inverting map ! Added new window around map position (-1.4, -2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0066039 Jy ! Component: 100 - total flux cleaned = 0.00965672 Jy ! Total flux subtracted in 100 components = 0.00965672 Jy ! Clean residual min=-0.003666 max=0.004302 Jy/beam ! Clean residual mean=-0.000001 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 0.111394 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.111394 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=0.074372Jy sigma=1.233889 ! Fit after self-cal, rms=0.074364Jy sigma=1.233235 ! 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=0.8545 mas, bmaj=2.444 mas, bpa=8.247 degrees ! Estimated noise=0.368335 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 = 0.00268287 Jy ! Component: 100 - total flux cleaned = 0.00282043 Jy ! Component: 150 - total flux cleaned = 0.00299673 Jy ! Component: 200 - total flux cleaned = 0.00314863 Jy ! Total flux subtracted in 200 components = 0.00314863 Jy ! Clean residual min=-0.003541 max=0.003380 Jy/beam ! Clean residual mean=-0.000001 rms=0.000805 Jy/beam ! Combined flux in latest and established models = 0.114543 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 38 components and 0.114543 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=0.074190Jy sigma=1.229969 ! Fit after self-cal, rms=0.074178Jy sigma=1.229681 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8545 x 2.444 at 8.247 degrees (North through East) ! Clean map min=-0.0031968 max=0.088804 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 1.13 KP 1.05 ! LA 1.00 MK 0.98 NL 1.16 OV 0.91 ! PT 0.94 SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 1.16 KP 1.04 ! LA 0.96 MK 0.99 NL 1.07 OV 0.87 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.40 KP 1.01 ! LA 1.05 MK 1.00 NL 1.04 OV 0.92 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.06 HN 1.26 KP 1.04 ! LA 0.95 MK 1.07 NL 1.12 OV 0.86 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 1.27 KP 1.01 ! LA 0.99 MK 1.04 NL 1.07 OV 0.85 ! PT 0.99 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HN 1.05 KP 1.04 ! LA 0.98 MK 1.10 NL 1.05 OV 0.92 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 1.19 KP 1.03 ! LA 0.89 MK 1.10 NL 1.10 OV 0.88 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.00 HN 1.22 KP 1.09 ! LA 0.96 MK 0.95 NL 1.10 OV 0.90 ! PT 0.98 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.97 HN 1.16 KP 1.02 ! LA 0.96 MK 1.07 NL 1.16 OV 0.87 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 1.14 KP 1.02 ! LA 0.94 MK 1.01 NL 1.14 OV 0.91 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.16 KP 1.02 ! LA 1.02 MK 0.96 NL 1.11 OV 0.91 ! PT 1.07 SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.01 KP 1.02 ! LA 1.01 MK 0.95 NL 1.11 OV 0.87 ! PT 1.01 SC 0.96 ! ! ! Fit before self-cal, rms=0.074178Jy sigma=1.229681 ! Fit after self-cal, rms=0.080636Jy sigma=1.215258 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8538 mas, bmaj=2.447 mas, bpa=8.851 degrees ! Estimated noise=0.37193 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 = -0.00197216 Jy ! Component: 100 - total flux cleaned = -0.00256632 Jy ! Component: 150 - total flux cleaned = -0.00297112 Jy ! Component: 200 - total flux cleaned = -0.00324786 Jy ! Total flux subtracted in 200 components = -0.00324786 Jy ! Clean residual min=-0.002370 max=0.002303 Jy/beam ! Clean residual mean=-0.000001 rms=0.000540 Jy/beam ! Combined flux in latest and established models = 0.111295 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 52 components and 0.111295 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=0.080564Jy sigma=1.213761 ! Fit after self-cal, rms=0.080752Jy sigma=1.213299 ! 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=0.080752Jy sigma=1.213299 ! Fit after self-cal, rms=0.086257Jy sigma=1.208031 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8562 mas, bmaj=2.454 mas, bpa=8.955 degrees ! Estimated noise=0.372532 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00133104 Jy ! Component: 100 - total flux cleaned = -0.00178562 Jy ! Component: 150 - total flux cleaned = -0.00205288 Jy ! Component: 200 - total flux cleaned = -0.00215363 Jy ! Total flux subtracted in 200 components = -0.00215363 Jy ! Clean residual min=-0.002005 max=0.001834 Jy/beam ! Clean residual mean=-0.000001 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.109141 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 58 components and 0.109141 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=0.086206Jy sigma=1.207046 ! Fit after self-cal, rms=0.086255Jy sigma=1.206937 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 = -0.000204047 Jy ! Component: 100 - total flux cleaned = -0.000321725 Jy ! Component: 150 - total flux cleaned = -0.000373701 Jy ! Component: 200 - total flux cleaned = -0.000421039 Jy ! Total flux subtracted in 200 components = -0.000421039 Jy ! Clean residual min=-0.001980 max=0.001709 Jy/beam ! Clean residual mean=-0.000001 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.10872 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 61 components and 0.10872 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=0.086235Jy sigma=1.206574 ! Fit after self-cal, rms=0.086235Jy sigma=1.206552 ! 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=0.086235Jy sigma=1.206552 ! Fit after self-cal, rms=0.091215Jy sigma=1.205471 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8569 mas, bmaj=2.457 mas, bpa=9.026 degrees ! Estimated noise=0.372013 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00119429 Jy ! Component: 100 - total flux cleaned = -0.00148243 Jy ! Component: 150 - total flux cleaned = -0.00170107 Jy ! Component: 200 - total flux cleaned = -0.00179732 Jy ! Total flux subtracted in 200 components = -0.00179732 Jy ! Clean residual min=-0.001901 max=0.001611 Jy/beam ! Clean residual mean=-0.000001 rms=0.000428 Jy/beam ! Combined flux in latest and established models = 0.106923 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.106923 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=0.091182Jy sigma=1.205013 ! Fit after self-cal, rms=0.091218Jy sigma=1.204966 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 = -0.00013632 Jy ! Component: 100 - total flux cleaned = -0.00022133 Jy ! Component: 150 - total flux cleaned = -0.00024059 Jy ! Component: 200 - total flux cleaned = -0.000239842 Jy ! Total flux subtracted in 200 components = -0.000239842 Jy ! Clean residual min=-0.001905 max=0.001600 Jy/beam ! Clean residual mean=-0.000001 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.106683 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 71 components and 0.106683 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=0.091203Jy sigma=1.204819 ! Fit after self-cal, rms=0.091205Jy sigma=1.204810 ! 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=0.091205Jy sigma=1.204810 ! Fit after self-cal, rms=0.092953Jy sigma=1.204638 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.213 mas, bmaj=5.999 mas, bpa=9.358 degrees ! Estimated noise=0.44449 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000515244 Jy ! Component: 100 - total flux cleaned = -0.000594908 Jy ! Component: 150 - total flux cleaned = -0.000644085 Jy ! Component: 200 - total flux cleaned = -0.000657788 Jy ! Total flux subtracted in 200 components = -0.000657788 Jy ! Clean residual min=-0.002011 max=0.001926 Jy/beam ! Clean residual mean=-0.000001 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.106025 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 73 components and 0.106025 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=0.092937Jy sigma=1.204534 ! Fit after self-cal, rms=0.092957Jy sigma=1.204521 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.75259e-06 Jy ! Component: 100 - total flux cleaned = 5.73805e-05 Jy ! Component: 150 - total flux cleaned = 8.07697e-05 Jy ! Component: 200 - total flux cleaned = 0.000102082 Jy ! Total flux subtracted in 200 components = 0.000102082 Jy ! Clean residual min=-0.002051 max=0.001923 Jy/beam ! Clean residual mean=-0.000001 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.106127 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 74 components and 0.106127 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=0.092951Jy sigma=1.204526 ! Fit after self-cal, rms=0.092952Jy sigma=1.204517 ! 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=0.8567 mas, bmaj=2.456 mas, bpa=9.061 degrees ! Estimated noise=0.371495 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8567 x 2.456 at 9.061 degrees (North through East) ! Clean map min=-0.0021193 max=0.0924 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=0.6626 mas, bmaj=1.977 mas, bpa=8.875 degrees ! Estimated noise=0.595146 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0731478 Jy ! Component: 100 - total flux cleaned = 0.0900469 Jy ! Component: 150 - total flux cleaned = 0.0972822 Jy ! Component: 200 - total flux cleaned = 0.101355 Jy ! Total flux subtracted in 200 components = 0.101355 Jy ! Clean residual min=-0.003022 max=0.003011 Jy/beam ! Clean residual mean=-0.000000 rms=0.000671 Jy/beam ! Combined flux in latest and established models = 0.101355 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.101355 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8567 mas, bmaj=2.456 mas, bpa=9.061 degrees ! Estimated noise=0.371495 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) ! Added new window around map position (-2.4, -3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292996 Jy ! Component: 100 - total flux cleaned = 0.00362365 Jy ! Component: 150 - total flux cleaned = 0.00386181 Jy ! Component: 200 - total flux cleaned = 0.00401934 Jy ! Total flux subtracted in 200 components = 0.00401934 Jy ! Clean residual min=-0.002115 max=0.001713 Jy/beam ! Clean residual mean=-0.000001 rms=0.000428 Jy/beam ! Combined flux in latest and established models = 0.105375 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 29 components and 0.105375 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=2.213 mas, bmaj=5.999 mas, bpa=9.358 degrees ! Estimated noise=0.44449 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000976543 Jy ! Component: 100 - total flux cleaned = 0.00156213 Jy ! Component: 150 - total flux cleaned = 0.00171521 Jy ! Component: 200 - total flux cleaned = 0.00181365 Jy ! Total flux subtracted in 200 components = 0.00181365 Jy ! Clean residual min=-0.002291 max=0.001930 Jy/beam ! Clean residual mean=-0.000001 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.107188 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 = 3.71195e-05 Jy ! Component: 100 - total flux cleaned = 6.95842e-05 Jy ! Component: 150 - total flux cleaned = 8.90198e-05 Jy ! Component: 200 - total flux cleaned = 0.000106899 Jy ! Total flux subtracted in 200 components = 0.000106899 Jy ! Clean residual min=-0.002294 max=0.001927 Jy/beam ! Clean residual mean=-0.000001 rms=0.000488 Jy/beam ! Combined flux in latest and established models = 0.107295 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 48 components and 0.107295 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8567 mas, bmaj=2.456 mas, bpa=9.061 degrees ! Estimated noise=0.371495 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00054591 Jy ! Component: 100 - total flux cleaned = -0.000544216 Jy ! Component: 150 - total flux cleaned = -0.000568944 Jy ! Component: 200 - total flux cleaned = -0.000618301 Jy ! Total flux subtracted in 200 components = -0.000618301 Jy ! Clean residual min=-0.002066 max=0.001611 Jy/beam ! Clean residual mean=-0.000000 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.106677 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 60 components and 0.106677 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=0.092943Jy sigma=1.204341 ! Fit after self-cal, rms=0.092914Jy sigma=1.204082 wmodel J1831-2714_X_map.mod ! Writing 60 model components to file: J1831-2714_X_map.mod wobs J1831-2714_X_uvs.fits ! Writing UV FITS file: J1831-2714_X_uvs.fits wwins J1831-2714_X_map.win ! wwins: Wrote 4 windows to J1831-2714_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 = -0.000669833 Jy ! Component: 100 - total flux cleaned = -0.000903146 Jy ! Component: 150 - total flux cleaned = -0.00109793 Jy ! Component: 200 - total flux cleaned = -0.00120509 Jy ! Component: 250 - total flux cleaned = -0.00141071 Jy ! Component: 300 - total flux cleaned = -0.00158502 Jy ! Component: 350 - total flux cleaned = -0.00170637 Jy ! Component: 400 - total flux cleaned = -0.00184822 Jy ! Component: 450 - total flux cleaned = -0.00194016 Jy ! Component: 500 - total flux cleaned = -0.0020301 Jy ! Component: 550 - total flux cleaned = -0.00214 Jy ! Component: 600 - total flux cleaned = -0.00220451 Jy ! Component: 650 - total flux cleaned = -0.00224656 Jy ! Component: 700 - total flux cleaned = -0.00226718 Jy ! Component: 750 - total flux cleaned = -0.00224671 Jy ! Component: 800 - total flux cleaned = -0.0022871 Jy ! Component: 850 - total flux cleaned = -0.00236618 Jy ! Component: 900 - total flux cleaned = -0.00244396 Jy ! Component: 950 - total flux cleaned = -0.00248242 Jy ! Component: 1000 - total flux cleaned = -0.0025583 Jy ! Component: 1050 - total flux cleaned = -0.00261458 Jy ! Component: 1100 - total flux cleaned = -0.00270721 Jy ! Component: 1150 - total flux cleaned = -0.00274374 Jy ! Component: 1200 - total flux cleaned = -0.00283431 Jy ! Component: 1250 - total flux cleaned = -0.00287017 Jy ! Component: 1300 - total flux cleaned = -0.00288805 Jy ! Component: 1350 - total flux cleaned = -0.00295809 Jy ! Component: 1400 - total flux cleaned = -0.0029755 Jy ! Component: 1450 - total flux cleaned = -0.00306133 Jy ! Component: 1500 - total flux cleaned = -0.00311212 Jy ! Component: 1550 - total flux cleaned = -0.00312889 Jy ! Component: 1600 - total flux cleaned = -0.00311212 Jy ! Component: 1650 - total flux cleaned = -0.00312871 Jy ! Component: 1700 - total flux cleaned = -0.00316163 Jy ! Component: 1750 - total flux cleaned = -0.00319421 Jy ! Component: 1800 - total flux cleaned = -0.00316215 Jy ! Component: 1850 - total flux cleaned = -0.00324185 Jy ! Component: 1900 - total flux cleaned = -0.00324193 Jy ! Component: 1950 - total flux cleaned = -0.00324198 Jy ! Component: 2000 - total flux cleaned = -0.00325736 Jy ! Component: 2050 - total flux cleaned = -0.00322672 Jy ! Component: 2100 - total flux cleaned = -0.003242 Jy ! Component: 2150 - total flux cleaned = -0.00325702 Jy ! Component: 2200 - total flux cleaned = -0.00328698 Jy ! Component: 2250 - total flux cleaned = -0.0032721 Jy ! Component: 2300 - total flux cleaned = -0.00325717 Jy ! Component: 2350 - total flux cleaned = -0.00330136 Jy ! Component: 2400 - total flux cleaned = -0.00331588 Jy ! Component: 2450 - total flux cleaned = -0.00325779 Jy ! Component: 2500 - total flux cleaned = -0.00328668 Jy ! Component: 2550 - total flux cleaned = -0.00330107 Jy ! Component: 2600 - total flux cleaned = -0.00321573 Jy ! Component: 2650 - total flux cleaned = -0.00323 Jy ! Component: 2700 - total flux cleaned = -0.00325805 Jy ! Component: 2750 - total flux cleaned = -0.00325795 Jy ! Component: 2800 - total flux cleaned = -0.00323001 Jy ! Component: 2850 - total flux cleaned = -0.00317494 Jy ! Component: 2900 - total flux cleaned = -0.00320236 Jy ! Component: 2950 - total flux cleaned = -0.00316154 Jy ! Component: 3000 - total flux cleaned = -0.0031617 Jy ! Component: 3050 - total flux cleaned = -0.0031483 Jy ! Component: 3100 - total flux cleaned = -0.00321523 Jy ! Component: 3150 - total flux cleaned = -0.00316186 Jy ! Component: 3200 - total flux cleaned = -0.00317511 Jy ! Component: 3250 - total flux cleaned = -0.00309617 Jy ! Component: 3300 - total flux cleaned = -0.00312229 Jy ! Component: 3350 - total flux cleaned = -0.00307028 Jy ! Component: 3400 - total flux cleaned = -0.00313497 Jy ! Component: 3450 - total flux cleaned = -0.00310903 Jy ! Component: 3500 - total flux cleaned = -0.00303231 Jy ! Component: 3550 - total flux cleaned = -0.00307069 Jy ! Component: 3600 - total flux cleaned = -0.00303268 Jy ! Component: 3650 - total flux cleaned = -0.0030579 Jy ! Component: 3700 - total flux cleaned = -0.00302031 Jy ! Component: 3750 - total flux cleaned = -0.0030327 Jy ! Component: 3800 - total flux cleaned = -0.00302014 Jy ! Component: 3850 - total flux cleaned = -0.00300777 Jy ! Component: 3900 - total flux cleaned = -0.00302 Jy ! Component: 3950 - total flux cleaned = -0.00295897 Jy ! Component: 4000 - total flux cleaned = -0.00294694 Jy ! Component: 4050 - total flux cleaned = -0.00294684 Jy ! Total flux subtracted in 4096 components = -0.00299491 Jy ! Clean residual min=-0.000734 max=0.000613 Jy/beam ! Clean residual mean=-0.000001 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.103682 Jy keep ! Adding 276 model components to the UV plane model. ! The established model now contains 336 components and 0.103682 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1831-2714_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8567 x 2.456 at 9.061 degrees (North through East) ! Clean map min=-0.0016912 max=0.092753 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1831-2714_X_map.fits wmodel /vlbi/uf001/uva//J1831-2714_X_map.mod ! Writing 336 model components to file: /vlbi/uf001/uva//J1831-2714_X_map.mod wobs /vlbi/uf001/uva//J1831-2714_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1831-2714_X_uvs.fits wwins /vlbi/uf001/uva//J1831-2714_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1831-2714_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0927529 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000208353 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.673898 0.673898 1.3478 2.69559 5.39118 10.7824 21.5647 43.1295 86.2589 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.092 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 445.171 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1831-2714_X_dfm.log closed on Mon Jan 14 04:41:06 2019