! Started logfile: /vlbi/uf001/uva//J0642+8811_X_dfm.log on Sun Jan 13 23:07:06 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//J0642+8811_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0642+8811_X_uva.fits ! AN table 1: 99 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.701908 visibilities/baseline/integration-bin. ! Found source: J0642+8811 ! ! 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 37524 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 J0642+8811_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 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 225 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.009148Jy sigma=22.084293 ! Fit after self-cal, rms=0.902808Jy sigma=19.709840 ! 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=0.7709 mas, bmaj=0.799 mas, bpa=-76.1 degrees ! Estimated noise=0.358903 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 = 0.071026 Jy ! Component: 100 - total flux cleaned = 0.0910709 Jy ! Total flux subtracted in 100 components = 0.0910709 Jy ! Clean residual min=-0.003561 max=0.009477 Jy/beam ! Clean residual mean=-0.000000 rms=0.000876 Jy/beam ! Combined flux in latest and established models = 0.0910709 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0910709 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=0.074826Jy sigma=1.384372 ! Fit after self-cal, rms=0.074695Jy sigma=1.382252 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111306 Jy ! Component: 100 - total flux cleaned = 0.0172439 Jy ! Total flux subtracted in 100 components = 0.0172439 Jy ! Clean residual min=-0.003074 max=0.003899 Jy/beam ! Clean residual mean=-0.000001 rms=0.000698 Jy/beam ! Combined flux in latest and established models = 0.108315 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 8 components and 0.108315 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=0.072327Jy sigma=1.313999 ! Fit after self-cal, rms=0.072290Jy sigma=1.313324 ! 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=1.016 mas, bmaj=1.073 mas, bpa=-89.18 degrees ! Estimated noise=0.176061 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 (-0.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00684871 Jy ! Component: 100 - total flux cleaned = 0.0108299 Jy ! Component: 150 - total flux cleaned = 0.0135354 Jy ! Component: 200 - total flux cleaned = 0.0154889 Jy ! Total flux subtracted in 200 components = 0.0154889 Jy ! Clean residual min=-0.002435 max=0.003965 Jy/beam ! Clean residual mean=-0.000002 rms=0.000632 Jy/beam ! Combined flux in latest and established models = 0.123804 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 27 components and 0.123804 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=0.071619Jy sigma=1.294099 ! Fit after self-cal, rms=0.071568Jy sigma=1.293010 ! Inverting map ! Added new window around map position (-3.2, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348833 Jy ! Component: 100 - total flux cleaned = 0.00520228 Jy ! Component: 150 - total flux cleaned = 0.00646699 Jy ! Component: 200 - total flux cleaned = 0.00729635 Jy ! Total flux subtracted in 200 components = 0.00729635 Jy ! Clean residual min=-0.002223 max=0.002512 Jy/beam ! Clean residual mean=-0.000002 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.1311 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 47 components and 0.1311 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=0.071378Jy sigma=1.288452 ! Fit after self-cal, rms=0.071356Jy sigma=1.288062 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.016 x 1.073 at -89.18 degrees (North through East) ! Clean map min=-0.0020689 max=0.098019 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.08 HN 0.97 KP 1.04 ! LA 0.88 MK 1.02 NL 0.96 OV 0.95 ! PT 0.98 SC 0.94 ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.07 HN 0.98 KP 1.08 ! LA 0.87 MK 1.03 NL 0.96 OV 0.96 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.07 HN 0.99 KP 1.07 ! LA 0.86 MK 1.02 NL 0.97 OV 0.97 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.06 HN 0.97 KP 1.10 ! LA 0.86 MK 1.04 NL 0.97 OV 0.98 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 5. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.05 HN 0.99 KP 1.06 ! LA 0.87 MK 1.04 NL 0.96 OV 0.98 ! PT 0.94 SC 0.93 ! ! ! Correcting IF 6. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.09 HN 1.00 KP 1.04 ! LA 0.85 MK 1.01 NL 1.01 OV 0.96 ! PT 0.95 SC 0.91 ! ! ! Correcting IF 7. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.08 HN 1.01 KP 1.06 ! LA 0.87 MK 1.02 NL 0.99 OV 0.96 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 8. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.09 HN 0.96 KP 1.06 ! LA 0.86 MK 1.02 NL 1.00 OV 0.94 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 9. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.06 HN 0.97 KP 1.08 ! LA 0.86 MK 1.00 NL 0.98 OV 1.00 ! PT 0.97 SC 0.93 ! ! ! Correcting IF 10. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.08 HN 0.97 KP 1.04 ! LA 0.86 MK 1.03 NL 0.97 OV 0.93 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 11. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.09 HN 1.00 KP 1.09 ! LA 0.86 MK 1.01 NL 1.01 OV 0.94 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 12. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.07 HN 1.01 KP 1.09 ! LA 0.86 MK 1.02 NL 1.00 OV 0.96 ! PT 0.92 SC 0.97 ! ! ! Fit before self-cal, rms=0.071356Jy sigma=1.288062 ! Fit after self-cal, rms=0.068509Jy sigma=1.276746 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.013 mas, bmaj=1.067 mas, bpa=-87.9 degrees ! Estimated noise=0.174833 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 = -0.000217588 Jy ! Component: 100 - total flux cleaned = -0.000554389 Jy ! Component: 150 - total flux cleaned = -0.000844076 Jy ! Component: 200 - total flux cleaned = -0.00101126 Jy ! Total flux subtracted in 200 components = -0.00101126 Jy ! Clean residual min=-0.001502 max=0.001717 Jy/beam ! Clean residual mean=-0.000002 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.130089 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 65 components and 0.130089 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=0.068484Jy sigma=1.276356 ! Fit after self-cal, rms=0.068517Jy sigma=1.275922 ! 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=0.068517Jy sigma=1.275922 ! Fit after self-cal, rms=0.069907Jy sigma=1.266060 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.009 mas, bmaj=1.069 mas, bpa=-88.46 degrees ! Estimated noise=0.175318 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000643093 Jy ! Component: 100 - total flux cleaned = -0.000879207 Jy ! Component: 150 - total flux cleaned = -0.00087949 Jy ! Component: 200 - total flux cleaned = -0.000923797 Jy ! Total flux subtracted in 200 components = -0.000923797 Jy ! Clean residual min=-0.000952 max=0.000927 Jy/beam ! Clean residual mean=-0.000001 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.129165 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 73 components and 0.129165 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=0.069890Jy sigma=1.265707 ! Fit after self-cal, rms=0.069953Jy sigma=1.265496 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 = -0.000112425 Jy ! Component: 100 - total flux cleaned = -0.000124634 Jy ! Component: 150 - total flux cleaned = -0.000146813 Jy ! Component: 200 - total flux cleaned = -0.000167169 Jy ! Total flux subtracted in 200 components = -0.000167169 Jy ! Clean residual min=-0.000954 max=0.000901 Jy/beam ! Clean residual mean=-0.000001 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.128998 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 83 components and 0.128998 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=0.069949Jy sigma=1.265413 ! Fit after self-cal, rms=0.069949Jy sigma=1.265413 ! 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=0.069949Jy sigma=1.265413 ! Fit after self-cal, rms=0.069928Jy sigma=1.265295 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.007 mas, bmaj=1.07 mas, bpa=-89.24 degrees ! Estimated noise=0.175176 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000350538 Jy ! Component: 100 - total flux cleaned = -0.000390996 Jy ! Component: 150 - total flux cleaned = -0.00043816 Jy ! Component: 200 - total flux cleaned = -0.000480536 Jy ! Total flux subtracted in 200 components = -0.000480536 Jy ! Clean residual min=-0.000923 max=0.000871 Jy/beam ! Clean residual mean=-0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.128517 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 85 components and 0.128517 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=0.069922Jy sigma=1.265186 ! Fit after self-cal, rms=0.069924Jy sigma=1.265179 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 = -7.82571e-05 Jy ! Component: 100 - total flux cleaned = -0.000125895 Jy ! Component: 150 - total flux cleaned = -0.000152266 Jy ! Component: 200 - total flux cleaned = -0.000193313 Jy ! Total flux subtracted in 200 components = -0.000193313 Jy ! Clean residual min=-0.000917 max=0.000856 Jy/beam ! Clean residual mean=-0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.128324 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 91 components and 0.128324 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=0.069922Jy sigma=1.265130 ! Fit after self-cal, rms=0.069922Jy sigma=1.265129 ! 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=0.069922Jy sigma=1.265129 ! Fit after self-cal, rms=0.069856Jy sigma=1.265091 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.37 mas, bmaj=2.509 mas, bpa=-79.66 degrees ! Estimated noise=0.235804 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000188772 Jy ! Component: 100 - total flux cleaned = -0.000251947 Jy ! Component: 150 - total flux cleaned = -0.000285382 Jy ! Component: 200 - total flux cleaned = -0.000303144 Jy ! Total flux subtracted in 200 components = -0.000303144 Jy ! Clean residual min=-0.001078 max=0.001102 Jy/beam ! Clean residual mean=-0.000003 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.128021 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 100 components and 0.128021 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=0.069855Jy sigma=1.265064 ! Fit after self-cal, rms=0.069855Jy sigma=1.265059 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 = -4.56539e-05 Jy ! Component: 100 - total flux cleaned = -5.61054e-05 Jy ! Component: 150 - total flux cleaned = -7.04833e-05 Jy ! Component: 200 - total flux cleaned = -7.93555e-05 Jy ! Total flux subtracted in 200 components = -7.93555e-05 Jy ! Clean residual min=-0.001093 max=0.001096 Jy/beam ! Clean residual mean=-0.000003 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.127942 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 101 components and 0.127942 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=0.069856Jy sigma=1.265055 ! Fit after self-cal, rms=0.069855Jy sigma=1.265055 ! 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=1.005 mas, bmaj=1.071 mas, bpa=-89.76 degrees ! Estimated noise=0.17503 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.005 x 1.071 at -89.76 degrees (North through East) ! Clean map min=-0.00081735 max=0.097512 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=0.7642 mas, bmaj=0.8001 mas, bpa=-82.91 degrees ! Estimated noise=0.357361 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0703367 Jy ! Component: 100 - total flux cleaned = 0.0913791 Jy ! Component: 150 - total flux cleaned = 0.102646 Jy ! Component: 200 - total flux cleaned = 0.109066 Jy ! Total flux subtracted in 200 components = 0.109066 Jy ! Clean residual min=-0.002126 max=0.003280 Jy/beam ! Clean residual mean=-0.000001 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.109066 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.109066 Jy ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.071 mas, bpa=-89.76 degrees ! Estimated noise=0.17503 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 = 0.00630929 Jy ! Component: 100 - total flux cleaned = 0.0099864 Jy ! Component: 150 - total flux cleaned = 0.0123759 Jy ! Component: 200 - total flux cleaned = 0.0140153 Jy ! Total flux subtracted in 200 components = 0.0140153 Jy ! Clean residual min=-0.001036 max=0.001005 Jy/beam ! Clean residual mean=-0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.123081 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 41 components and 0.123081 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=2.37 mas, bmaj=2.509 mas, bpa=-79.66 degrees ! Estimated noise=0.235804 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204051 Jy ! Component: 100 - total flux cleaned = 0.00308501 Jy ! Component: 150 - total flux cleaned = 0.00370253 Jy ! Component: 200 - total flux cleaned = 0.00408511 Jy ! Total flux subtracted in 200 components = 0.00408511 Jy ! Clean residual min=-0.001136 max=0.001122 Jy/beam ! Clean residual mean=-0.000003 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.127166 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 = 0.000249726 Jy ! Component: 100 - total flux cleaned = 0.000369786 Jy ! Component: 150 - total flux cleaned = 0.000409553 Jy ! Component: 200 - total flux cleaned = 0.000439675 Jy ! Total flux subtracted in 200 components = 0.000439675 Jy ! Clean residual min=-0.001118 max=0.001108 Jy/beam ! Clean residual mean=-0.000003 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.127606 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 94 components and 0.127606 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.071 mas, bpa=-89.76 degrees ! Estimated noise=0.17503 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000111 Jy ! Component: 100 - total flux cleaned = -0.000142068 Jy ! Component: 150 - total flux cleaned = -0.000155621 Jy ! Component: 200 - total flux cleaned = -0.000155174 Jy ! Total flux subtracted in 200 components = -0.000155174 Jy ! Clean residual min=-0.000887 max=0.000854 Jy/beam ! Clean residual mean=-0.000001 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.12745 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 105 components and 0.12745 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=0.069857Jy sigma=1.265087 ! Fit after self-cal, rms=0.069854Jy sigma=1.265048 wmodel J0642+8811_X_map.mod ! Writing 105 model components to file: J0642+8811_X_map.mod wobs J0642+8811_X_uvs.fits ! Writing UV FITS file: J0642+8811_X_uvs.fits wwins J0642+8811_X_map.win ! wwins: Wrote 3 windows to J0642+8811_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 = -0.000200514 Jy ! Component: 100 - total flux cleaned = -0.00027978 Jy ! Component: 150 - total flux cleaned = -0.000325869 Jy ! Component: 200 - total flux cleaned = -0.000370753 Jy ! Component: 250 - total flux cleaned = -0.000399928 Jy ! Component: 300 - total flux cleaned = -0.000371619 Jy ! Component: 350 - total flux cleaned = -0.000385864 Jy ! Component: 400 - total flux cleaned = -0.000358572 Jy ! Component: 450 - total flux cleaned = -0.000358641 Jy ! Component: 500 - total flux cleaned = -0.000358315 Jy ! Component: 550 - total flux cleaned = -0.00031894 Jy ! Component: 600 - total flux cleaned = -0.000280151 Jy ! Component: 650 - total flux cleaned = -0.000292663 Jy ! Component: 700 - total flux cleaned = -0.000292698 Jy ! Component: 750 - total flux cleaned = -0.000342362 Jy ! Component: 800 - total flux cleaned = -0.0003546 Jy ! Component: 850 - total flux cleaned = -0.000366674 Jy ! Component: 900 - total flux cleaned = -0.0003907 Jy ! Component: 950 - total flux cleaned = -0.000390597 Jy ! Component: 1000 - total flux cleaned = -0.00042616 Jy ! Component: 1050 - total flux cleaned = -0.000426013 Jy ! Component: 1100 - total flux cleaned = -0.000437661 Jy ! Component: 1150 - total flux cleaned = -0.000449149 Jy ! Component: 1200 - total flux cleaned = -0.000426189 Jy ! Component: 1250 - total flux cleaned = -0.000403646 Jy ! Component: 1300 - total flux cleaned = -0.000403639 Jy ! Component: 1350 - total flux cleaned = -0.000437205 Jy ! Component: 1400 - total flux cleaned = -0.000381654 Jy ! Component: 1450 - total flux cleaned = -0.000370721 Jy ! Component: 1500 - total flux cleaned = -0.000425409 Jy ! Component: 1550 - total flux cleaned = -0.000381946 Jy ! Component: 1600 - total flux cleaned = -0.000414354 Jy ! Component: 1650 - total flux cleaned = -0.000371317 Jy ! Component: 1700 - total flux cleaned = -0.00035 Jy ! Component: 1750 - total flux cleaned = -0.000360492 Jy ! Component: 1800 - total flux cleaned = -0.000328784 Jy ! Component: 1850 - total flux cleaned = -0.000276511 Jy ! Component: 1900 - total flux cleaned = -0.000307806 Jy ! Component: 1950 - total flux cleaned = -0.000318129 Jy ! Component: 2000 - total flux cleaned = -0.000256291 Jy ! Component: 2050 - total flux cleaned = -0.000297218 Jy ! Component: 2100 - total flux cleaned = -0.000276817 Jy ! Component: 2150 - total flux cleaned = -0.000256604 Jy ! Component: 2200 - total flux cleaned = -0.000266712 Jy ! Component: 2250 - total flux cleaned = -0.000276805 Jy ! Component: 2300 - total flux cleaned = -0.000226944 Jy ! Component: 2350 - total flux cleaned = -0.000217025 Jy ! Component: 2400 - total flux cleaned = -0.000157978 Jy ! Component: 2450 - total flux cleaned = -0.000148285 Jy ! Component: 2500 - total flux cleaned = -0.000128754 Jy ! Component: 2550 - total flux cleaned = -0.000196571 Jy ! Component: 2600 - total flux cleaned = -0.000167466 Jy ! Component: 2650 - total flux cleaned = -0.000196307 Jy ! Component: 2700 - total flux cleaned = -0.000129328 Jy ! Component: 2750 - total flux cleaned = -0.000148366 Jy ! Component: 2800 - total flux cleaned = -0.000167341 Jy ! Component: 2850 - total flux cleaned = -0.000157893 Jy ! Component: 2900 - total flux cleaned = -0.000157776 Jy ! Component: 2950 - total flux cleaned = -0.000148462 Jy ! Component: 3000 - total flux cleaned = -0.000139195 Jy ! Component: 3050 - total flux cleaned = -0.00015769 Jy ! Component: 3100 - total flux cleaned = -0.000139265 Jy ! Component: 3150 - total flux cleaned = -0.000130087 Jy ! Component: 3200 - total flux cleaned = -0.000111834 Jy ! Component: 3250 - total flux cleaned = -7.54503e-05 Jy ! Component: 3300 - total flux cleaned = -0.000138822 Jy ! Component: 3350 - total flux cleaned = -0.000120824 Jy ! Component: 3400 - total flux cleaned = -7.58963e-05 Jy ! Component: 3450 - total flux cleaned = -6.69868e-05 Jy ! Component: 3500 - total flux cleaned = -4.02501e-05 Jy ! Component: 3550 - total flux cleaned = -9.36058e-05 Jy ! Component: 3600 - total flux cleaned = -9.35802e-05 Jy ! Component: 3650 - total flux cleaned = -9.36004e-05 Jy ! Component: 3700 - total flux cleaned = -0.000119919 Jy ! Component: 3750 - total flux cleaned = -9.3695e-05 Jy ! Component: 3800 - total flux cleaned = -0.000102406 Jy ! Component: 3850 - total flux cleaned = -0.000128427 Jy ! Component: 3900 - total flux cleaned = -0.000119802 Jy ! Component: 3950 - total flux cleaned = -0.000119821 Jy ! Component: 4000 - total flux cleaned = -0.000119829 Jy ! Component: 4050 - total flux cleaned = -0.000136928 Jy ! Total flux subtracted in 4096 components = -0.000153886 Jy ! Clean residual min=-0.000488 max=0.000585 Jy/beam ! Clean residual mean=-0.000000 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.127297 Jy keep ! Adding 343 model components to the UV plane model. ! The established model now contains 448 components and 0.127297 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0642+8811_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.005 x 1.071 at -89.76 degrees (North through East) ! Clean map min=-0.00070265 max=0.09794 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0642+8811_X_map.fits wmodel /vlbi/uf001/uva//J0642+8811_X_map.mod ! Writing 448 model components to file: /vlbi/uf001/uva//J0642+8811_X_map.mod wobs /vlbi/uf001/uva//J0642+8811_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0642+8811_X_uvs.fits wwins /vlbi/uf001/uva//J0642+8811_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0642+8811_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0979395 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000144458 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.442492 0.442492 0.884984 1.76997 3.53994 7.07987 14.1597 28.3195 56.639 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.097 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 677.978 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0642+8811_X_dfm.log closed on Sun Jan 13 23:07:12 2019