! Started logfile: /vlbi/uf001/uva//J0257+4338_X_dfm.log on Sun Jan 13 21:35:39 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//J0257+4338_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0257+4338_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.891534 visibilities/baseline/integration-bin. ! Found source: J0257+4338 ! ! 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 20220 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 J0257+4338_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 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.046709Jy sigma=23.233769 ! Fit after self-cal, rms=0.727503Jy sigma=16.141123 ! 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=0.7359 mas, bmaj=1.208 mas, bpa=2.245 degrees ! Estimated noise=0.438694 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 = 0.205421 Jy ! Component: 100 - total flux cleaned = 0.251225 Jy ! Total flux subtracted in 100 components = 0.251225 Jy ! Clean residual min=-0.007209 max=0.016070 Jy/beam ! Clean residual mean=0.000054 rms=0.001709 Jy/beam ! Combined flux in latest and established models = 0.251225 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.251225 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=0.069645Jy sigma=1.515498 ! Fit after self-cal, rms=0.069635Jy sigma=1.515208 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0184004 Jy ! Component: 100 - total flux cleaned = 0.0290259 Jy ! Total flux subtracted in 100 components = 0.0290259 Jy ! Clean residual min=-0.006344 max=0.008720 Jy/beam ! Clean residual mean=0.000035 rms=0.001355 Jy/beam ! Combined flux in latest and established models = 0.280251 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 0.280251 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=0.061985Jy sigma=1.340698 ! Fit after self-cal, rms=0.061969Jy sigma=1.340270 ! Inverting map ! Added new window around map position (1, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00869764 Jy ! Component: 100 - total flux cleaned = 0.0140291 Jy ! Total flux subtracted in 100 components = 0.0140291 Jy ! Clean residual min=-0.006057 max=0.007989 Jy/beam ! Clean residual mean=0.000026 rms=0.001246 Jy/beam ! Combined flux in latest and established models = 0.29428 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.29428 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=0.060234Jy sigma=1.299666 ! Fit after self-cal, rms=0.060158Jy sigma=1.297877 ! Inverting map ! Added new window around map position (0.6, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00603566 Jy ! Component: 100 - total flux cleaned = 0.00824479 Jy ! Total flux subtracted in 100 components = 0.00824479 Jy ! Clean residual min=-0.005411 max=0.006573 Jy/beam ! Clean residual mean=0.000020 rms=0.001157 Jy/beam ! Combined flux in latest and established models = 0.302525 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 21 components and 0.302525 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=0.059434Jy sigma=1.279398 ! Fit after self-cal, rms=0.059394Jy sigma=1.278495 ! 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=0.9431 mas, bmaj=1.488 mas, bpa=1.913 degrees ! Estimated noise=0.24555 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 (-1.8, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00753739 Jy ! Component: 100 - total flux cleaned = 0.0120712 Jy ! Component: 150 - total flux cleaned = 0.014409 Jy ! Component: 200 - total flux cleaned = 0.0158524 Jy ! Total flux subtracted in 200 components = 0.0158524 Jy ! Clean residual min=-0.004851 max=0.005717 Jy/beam ! Clean residual mean=0.000015 rms=0.001195 Jy/beam ! Combined flux in latest and established models = 0.318378 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 38 components and 0.318378 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=0.058215Jy sigma=1.249834 ! Fit after self-cal, rms=0.058168Jy sigma=1.248861 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9431 x 1.488 at 1.913 degrees (North through East) ! Clean map min=-0.0047537 max=0.27057 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.92 KP 1.06 ! LA 1.00 MK 1.02 NL 1.09 OV 0.91 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.93 KP 1.06 ! LA 0.99 MK 1.02 NL 1.09 OV 0.92 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.94 KP 1.08 ! LA 0.99 MK 1.04 NL 1.08 OV 0.91 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.91 KP 1.07 ! LA 0.99 MK 1.04 NL 1.09 OV 0.91 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.94 KP 1.08 ! LA 0.99 MK 1.02 NL 1.11 OV 0.91 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.92 KP 1.07 ! LA 1.00 MK 1.03 NL 1.08 OV 0.92 ! PT 0.93 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.94 KP 1.06 ! LA 0.98 MK 1.01 NL 1.08 OV 0.93 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.94 KP 1.04 ! LA 0.99 MK 1.06 NL 1.11 OV 0.92 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.95 KP 1.06 ! LA 0.99 MK 1.05 NL 1.07 OV 0.92 ! PT 0.94 SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.95 KP 1.06 ! LA 1.00 MK 1.07 NL 1.08 OV 0.91 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.96 KP 1.09 ! LA 1.00 MK 1.05 NL 1.10 OV 0.91 ! PT 0.93 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.97 KP 1.04 ! LA 0.99 MK 1.06 NL 1.10 OV 0.93 ! PT 0.94 SC 0.98 ! ! ! Fit before self-cal, rms=0.058168Jy sigma=1.248861 ! Fit after self-cal, rms=0.053713Jy sigma=1.150229 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9453 mas, bmaj=1.492 mas, bpa=2.166 degrees ! Estimated noise=0.244404 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 = -0.00300859 Jy ! Component: 100 - total flux cleaned = -0.00400842 Jy ! Component: 150 - total flux cleaned = -0.00480663 Jy ! Component: 200 - total flux cleaned = -0.00513981 Jy ! Total flux subtracted in 200 components = -0.00513981 Jy ! Clean residual min=-0.002067 max=0.001815 Jy/beam ! Clean residual mean=-0.000005 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.313238 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 54 components and 0.313238 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=0.053405Jy sigma=1.143455 ! Fit after self-cal, rms=0.053417Jy sigma=1.143003 ! 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=0.053417Jy sigma=1.143003 ! Fit after self-cal, rms=0.052946Jy sigma=1.133989 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.944 mas, bmaj=1.494 mas, bpa=2.062 degrees ! Estimated noise=0.243974 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000728918 Jy ! Component: 100 - total flux cleaned = -0.00149963 Jy ! Component: 150 - total flux cleaned = -0.00199703 Jy ! Component: 200 - total flux cleaned = -0.00226766 Jy ! Total flux subtracted in 200 components = -0.00226766 Jy ! Clean residual min=-0.001492 max=0.001479 Jy/beam ! Clean residual mean=0.000000 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.31097 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 67 components and 0.31097 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=0.052846Jy sigma=1.131898 ! Fit after self-cal, rms=0.052843Jy sigma=1.131794 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-5.4, -16.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000865807 Jy ! Component: 100 - total flux cleaned = 0.000695459 Jy ! Component: 150 - total flux cleaned = 0.000572283 Jy ! Component: 200 - total flux cleaned = 0.000544351 Jy ! Total flux subtracted in 200 components = 0.000544351 Jy ! Clean residual min=-0.001302 max=0.001465 Jy/beam ! Clean residual mean=0.000000 rms=0.000320 Jy/beam ! Combined flux in latest and established models = 0.311515 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 78 components and 0.311515 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=0.052795Jy sigma=1.130816 ! Fit after self-cal, rms=0.052793Jy sigma=1.130791 ! Inverting map ! Added new window around map position (-46.2, -49.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113245 Jy ! Component: 100 - total flux cleaned = 0.00142938 Jy ! Component: 150 - total flux cleaned = 0.00156216 Jy ! Component: 200 - total flux cleaned = 0.0015616 Jy ! Total flux subtracted in 200 components = 0.0015616 Jy ! Clean residual min=-0.001240 max=0.001326 Jy/beam ! Clean residual mean=0.000001 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.313076 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 93 components and 0.313076 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=0.052753Jy sigma=1.129906 ! Fit after self-cal, rms=0.052751Jy sigma=1.129871 ! Inverting map ! Added new window around map position (15.8, 43.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000903657 Jy ! Component: 100 - total flux cleaned = 0.00121743 Jy ! Component: 150 - total flux cleaned = 0.0013848 Jy ! Component: 200 - total flux cleaned = 0.00142987 Jy ! Total flux subtracted in 200 components = 0.00142987 Jy ! Clean residual min=-0.001248 max=0.001239 Jy/beam ! Clean residual mean=0.000001 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.314506 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 101 components and 0.314506 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=0.052718Jy sigma=1.129169 ! Fit after self-cal, rms=0.052717Jy sigma=1.129144 ! 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=0.052717Jy sigma=1.129144 ! Fit after self-cal, rms=0.052688Jy sigma=1.128535 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9428 mas, bmaj=1.495 mas, bpa=1.997 degrees ! Estimated noise=0.243982 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00066569 Jy ! Component: 100 - total flux cleaned = -0.000856709 Jy ! Component: 150 - total flux cleaned = -0.00085737 Jy ! Component: 200 - total flux cleaned = -0.00085619 Jy ! Total flux subtracted in 200 components = -0.00085619 Jy ! Clean residual min=-0.001121 max=0.001135 Jy/beam ! Clean residual mean=0.000001 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.31365 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 105 components and 0.31365 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=0.052656Jy sigma=1.127872 ! Fit after self-cal, rms=0.052656Jy sigma=1.127855 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 = -4.65384e-05 Jy ! Component: 100 - total flux cleaned = -8.82984e-05 Jy ! Component: 150 - total flux cleaned = -8.72696e-05 Jy ! Component: 200 - total flux cleaned = -8.73532e-05 Jy ! Total flux subtracted in 200 components = -8.73532e-05 Jy ! Clean residual min=-0.001125 max=0.001119 Jy/beam ! Clean residual mean=0.000001 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.313562 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 112 components and 0.313562 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=0.052641Jy sigma=1.127551 ! Fit after self-cal, rms=0.052641Jy sigma=1.127546 ! 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=0.052641Jy sigma=1.127546 ! Fit after self-cal, rms=0.052616Jy sigma=1.127377 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.212 mas, bmaj=2.525 mas, bpa=2.07 degrees ! Estimated noise=0.312897 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000426959 Jy ! Component: 100 - total flux cleaned = -0.000403139 Jy ! Component: 150 - total flux cleaned = -0.000383716 Jy ! Component: 200 - total flux cleaned = -0.000366258 Jy ! Total flux subtracted in 200 components = -0.000366258 Jy ! Clean residual min=-0.001274 max=0.001229 Jy/beam ! Clean residual mean=0.000004 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.313196 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 123 components and 0.313196 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=0.052605Jy sigma=1.127221 ! Fit after self-cal, rms=0.052605Jy sigma=1.127205 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 = 5.21413e-05 Jy ! Component: 100 - total flux cleaned = 9.83072e-05 Jy ! Component: 150 - total flux cleaned = 0.000112637 Jy ! Component: 200 - total flux cleaned = 0.000125502 Jy ! Total flux subtracted in 200 components = 0.000125502 Jy ! Clean residual min=-0.001228 max=0.001196 Jy/beam ! Clean residual mean=0.000004 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.313322 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 139 components and 0.313322 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=0.052603Jy sigma=1.127205 ! Fit after self-cal, rms=0.052603Jy sigma=1.127199 ! 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=0.9421 mas, bmaj=1.496 mas, bpa=1.968 degrees ! Estimated noise=0.24392 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9421 x 1.496 at 1.968 degrees (North through East) ! Clean map min=-0.0011651 max=0.26913 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=0.7352 mas, bmaj=1.213 mas, bpa=2.42 degrees ! Estimated noise=0.437163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.20463 Jy ! Component: 100 - total flux cleaned = 0.250778 Jy ! Component: 150 - total flux cleaned = 0.270304 Jy ! Component: 200 - total flux cleaned = 0.281502 Jy ! Total flux subtracted in 200 components = 0.281502 Jy ! Clean residual min=-0.003055 max=0.005747 Jy/beam ! Clean residual mean=0.000019 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 0.281502 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.281502 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9421 mas, bmaj=1.496 mas, bpa=1.968 degrees ! Estimated noise=0.24392 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 = 0.00991479 Jy ! Component: 100 - total flux cleaned = 0.0150724 Jy ! Component: 150 - total flux cleaned = 0.018362 Jy ! Component: 200 - total flux cleaned = 0.0207688 Jy ! Total flux subtracted in 200 components = 0.0207688 Jy ! Clean residual min=-0.001495 max=0.001843 Jy/beam ! Clean residual mean=0.000008 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.302271 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 40 components and 0.302271 Jy ! Inverting map ! Added new window around map position (0, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00203943 Jy ! Component: 100 - total flux cleaned = 0.00367994 Jy ! Component: 150 - total flux cleaned = 0.00506473 Jy ! Component: 200 - total flux cleaned = 0.00587729 Jy ! Total flux subtracted in 200 components = 0.00587729 Jy ! Clean residual min=-0.001331 max=0.001250 Jy/beam ! Clean residual mean=0.000004 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.308148 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 57 components and 0.308148 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=2.212 mas, bmaj=2.525 mas, bpa=2.07 degrees ! Estimated noise=0.312897 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146247 Jy ! Component: 100 - total flux cleaned = 0.00212588 Jy ! Component: 150 - total flux cleaned = 0.00261849 Jy ! Component: 200 - total flux cleaned = 0.00306315 Jy ! Total flux subtracted in 200 components = 0.00306315 Jy ! Clean residual min=-0.001210 max=0.001374 Jy/beam ! Clean residual mean=0.000005 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.311211 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) ! Added new window around map position (-3.6, 10.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00081748 Jy ! Component: 100 - total flux cleaned = 0.00109867 Jy ! Component: 150 - total flux cleaned = 0.00126562 Jy ! Component: 200 - total flux cleaned = 0.00146125 Jy ! Total flux subtracted in 200 components = 0.00146125 Jy ! Clean residual min=-0.001152 max=0.001021 Jy/beam ! Clean residual mean=0.000002 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.312673 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 103 components and 0.312673 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9421 mas, bmaj=1.496 mas, bpa=1.968 degrees ! Estimated noise=0.24392 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.58406e-05 Jy ! Component: 100 - total flux cleaned = 0.000106846 Jy ! Component: 150 - total flux cleaned = 0.000107232 Jy ! Component: 200 - total flux cleaned = 0.000136298 Jy ! Total flux subtracted in 200 components = 0.000136298 Jy ! Clean residual min=-0.001107 max=0.001018 Jy/beam ! Clean residual mean=0.000001 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.312809 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 132 components and 0.312809 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=0.052627Jy sigma=1.127434 ! Fit after self-cal, rms=0.052614Jy sigma=1.127215 wmodel J0257+4338_X_map.mod ! Writing 132 model components to file: J0257+4338_X_map.mod wobs J0257+4338_X_uvs.fits ! Writing UV FITS file: J0257+4338_X_uvs.fits wwins J0257+4338_X_map.win ! wwins: Wrote 9 windows to J0257+4338_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 = -0.000328769 Jy ! Component: 100 - total flux cleaned = -0.000557674 Jy ! Component: 150 - total flux cleaned = -0.000796479 Jy ! Component: 200 - total flux cleaned = -0.000903861 Jy ! Component: 250 - total flux cleaned = -0.00106198 Jy ! Component: 300 - total flux cleaned = -0.00119958 Jy ! Component: 350 - total flux cleaned = -0.00133475 Jy ! Component: 400 - total flux cleaned = -0.00146725 Jy ! Component: 450 - total flux cleaned = -0.00153245 Jy ! Component: 500 - total flux cleaned = -0.00162937 Jy ! Component: 550 - total flux cleaned = -0.00170876 Jy ! Component: 600 - total flux cleaned = -0.00175556 Jy ! Component: 650 - total flux cleaned = -0.00175568 Jy ! Component: 700 - total flux cleaned = -0.00186267 Jy ! Component: 750 - total flux cleaned = -0.00192291 Jy ! Component: 800 - total flux cleaned = -0.00196762 Jy ! Component: 850 - total flux cleaned = -0.00202669 Jy ! Component: 900 - total flux cleaned = -0.00217234 Jy ! Component: 950 - total flux cleaned = -0.00221567 Jy ! Component: 1000 - total flux cleaned = -0.00228696 Jy ! Component: 1050 - total flux cleaned = -0.00234363 Jy ! Component: 1100 - total flux cleaned = -0.00237174 Jy ! Component: 1150 - total flux cleaned = -0.00245506 Jy ! Component: 1200 - total flux cleaned = -0.00246876 Jy ! Component: 1250 - total flux cleaned = -0.00248249 Jy ! Component: 1300 - total flux cleaned = -0.00260405 Jy ! Component: 1350 - total flux cleaned = -0.00263048 Jy ! Component: 1400 - total flux cleaned = -0.00265707 Jy ! Component: 1450 - total flux cleaned = -0.00270989 Jy ! Component: 1500 - total flux cleaned = -0.0027881 Jy ! Component: 1550 - total flux cleaned = -0.0028527 Jy ! Component: 1600 - total flux cleaned = -0.00290398 Jy ! Component: 1650 - total flux cleaned = -0.00296758 Jy ! Component: 1700 - total flux cleaned = -0.00299259 Jy ! Component: 1750 - total flux cleaned = -0.00308018 Jy ! Component: 1800 - total flux cleaned = -0.00310506 Jy ! Component: 1850 - total flux cleaned = -0.00317917 Jy ! Component: 1900 - total flux cleaned = -0.00322806 Jy ! Component: 1950 - total flux cleaned = -0.00326448 Jy ! Component: 2000 - total flux cleaned = -0.00330062 Jy ! Component: 2050 - total flux cleaned = -0.0033126 Jy ! Component: 2100 - total flux cleaned = -0.00337215 Jy ! Component: 2150 - total flux cleaned = -0.00344312 Jy ! Component: 2200 - total flux cleaned = -0.00345488 Jy ! Component: 2250 - total flux cleaned = -0.00347834 Jy ! Component: 2300 - total flux cleaned = -0.00348995 Jy ! Component: 2350 - total flux cleaned = -0.00352437 Jy ! Component: 2400 - total flux cleaned = -0.00354708 Jy ! Component: 2450 - total flux cleaned = -0.00359235 Jy ! Component: 2500 - total flux cleaned = -0.0035811 Jy ! Component: 2550 - total flux cleaned = -0.00363731 Jy ! Component: 2600 - total flux cleaned = -0.00362604 Jy ! Component: 2650 - total flux cleaned = -0.00368148 Jy ! Component: 2700 - total flux cleaned = -0.00367039 Jy ! Component: 2750 - total flux cleaned = -0.00368131 Jy ! Component: 2800 - total flux cleaned = -0.00373576 Jy ! Component: 2850 - total flux cleaned = -0.00372501 Jy ! Component: 2900 - total flux cleaned = -0.00373574 Jy ! Component: 2950 - total flux cleaned = -0.00382119 Jy ! Component: 3000 - total flux cleaned = -0.0037894 Jy ! Component: 3050 - total flux cleaned = -0.00383178 Jy ! Component: 3100 - total flux cleaned = -0.00386339 Jy ! Component: 3150 - total flux cleaned = -0.00383215 Jy ! Component: 3200 - total flux cleaned = -0.00380099 Jy ! Component: 3250 - total flux cleaned = -0.00385263 Jy ! Component: 3300 - total flux cleaned = -0.00391442 Jy ! Component: 3350 - total flux cleaned = -0.00394507 Jy ! Component: 3400 - total flux cleaned = -0.0038738 Jy ! Component: 3450 - total flux cleaned = -0.00388401 Jy ! Component: 3500 - total flux cleaned = -0.00389416 Jy ! Component: 3550 - total flux cleaned = -0.00391418 Jy ! Component: 3600 - total flux cleaned = -0.00396396 Jy ! Component: 3650 - total flux cleaned = -0.0039739 Jy ! Component: 3700 - total flux cleaned = -0.00399365 Jy ! Component: 3750 - total flux cleaned = -0.00401328 Jy ! Component: 3800 - total flux cleaned = -0.00404262 Jy ! Component: 3850 - total flux cleaned = -0.00406203 Jy ! Component: 3900 - total flux cleaned = -0.00406203 Jy ! Component: 3950 - total flux cleaned = -0.00411014 Jy ! Component: 4000 - total flux cleaned = -0.00415808 Jy ! Component: 4050 - total flux cleaned = -0.00411993 Jy ! Total flux subtracted in 4096 components = -0.00414838 Jy ! Clean residual min=-0.000615 max=0.000627 Jy/beam ! Clean residual mean=-0.000001 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.30866 Jy keep ! Adding 343 model components to the UV plane model. ! The established model now contains 475 components and 0.30866 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0257+4338_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9421 x 1.496 at 1.968 degrees (North through East) ! Clean map min=-0.00079796 max=0.26963 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0257+4338_X_map.fits wmodel /vlbi/uf001/uva//J0257+4338_X_map.mod ! Writing 475 model components to file: /vlbi/uf001/uva//J0257+4338_X_map.mod wobs /vlbi/uf001/uva//J0257+4338_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0257+4338_X_uvs.fits wwins /vlbi/uf001/uva//J0257+4338_X_map.win ! wwins: Wrote 10 windows to /vlbi/uf001/uva//J0257+4338_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.269634 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000161189 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.179342 0.179342 0.358684 0.717368 1.43474 2.86947 5.73895 11.4779 22.9558 45.9116 91.8231 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.269 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1672.78 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0257+4338_X_dfm.log closed on Sun Jan 13 21:35:45 2019