! Started logfile: /vlbi/uf001/uva//J0831-2228_X_dfm.log on Sun Jan 13 23:58:45 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//J0831-2228_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0831-2228_X_uva.fits ! AN table 1: 48 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.998611 visibilities/baseline/integration-bin. ! Found source: J0831-2228 ! ! 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 25884 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 J0831-2228_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. ! ! 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=1.002180Jy sigma=21.033807 ! Fit after self-cal, rms=0.943635Jy sigma=19.775649 ! 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=0.613 mas, bmaj=1.623 mas, bpa=-5.273 degrees ! Estimated noise=0.434428 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 = 0.041693 Jy ! Component: 100 - total flux cleaned = 0.0520642 Jy ! Total flux subtracted in 100 components = 0.0520642 Jy ! Clean residual min=-0.003116 max=0.006383 Jy/beam ! Clean residual mean=-0.000007 rms=0.000769 Jy/beam ! Combined flux in latest and established models = 0.0520642 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0520642 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=0.066627Jy sigma=1.277343 ! Fit after self-cal, rms=0.066011Jy sigma=1.264856 ! Inverting map ! Added new window around map position (0.8, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00710082 Jy ! Component: 100 - total flux cleaned = 0.0114079 Jy ! Total flux subtracted in 100 components = 0.0114079 Jy ! Clean residual min=-0.002559 max=0.002805 Jy/beam ! Clean residual mean=-0.000004 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.0634721 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 15 components and 0.0634721 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=0.064844Jy sigma=1.235704 ! Fit after self-cal, rms=0.064796Jy sigma=1.234441 ! 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=0.8197 mas, bmaj=2.037 mas, bpa=-4.912 degrees ! Estimated noise=0.213037 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 = 0.00518777 Jy ! Component: 100 - total flux cleaned = 0.00782912 Jy ! Component: 150 - total flux cleaned = 0.00924827 Jy ! Component: 200 - total flux cleaned = 0.00982542 Jy ! Total flux subtracted in 200 components = 0.00982542 Jy ! Clean residual min=-0.001844 max=0.001995 Jy/beam ! Clean residual mean=-0.000003 rms=0.000464 Jy/beam ! Combined flux in latest and established models = 0.0732975 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 28 components and 0.0732975 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=0.064421Jy sigma=1.225196 ! Fit after self-cal, rms=0.064413Jy sigma=1.224706 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8197 x 2.037 at -4.912 degrees (North through East) ! Clean map min=-0.0018749 max=0.058715 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.96 HN 1.09 KP 0.94 ! LA 0.99 MK 1.05 NL 1.10 OV 0.96 ! PT 0.97 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.03 HN 0.98 KP 0.98 ! LA 1.00 MK 1.01 NL 1.05 OV 0.90 ! PT 0.93 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 0.99 KP 0.98 ! LA 1.04 MK 0.97 NL 1.01 OV 0.89 ! PT 0.98 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 0.92 KP 0.95 ! LA 0.98 MK 1.02 NL 1.06 OV 0.92 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 0.94 KP 0.99 ! LA 1.02 MK 0.98 NL 1.05 OV 0.91 ! PT 0.97 SC 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.05 HN 0.99 KP 1.02 ! LA 1.00 MK 1.01 NL 1.00 OV 0.88 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.00 HN 0.81 KP 0.99 ! LA 0.95 MK 1.08 NL 1.05 OV 0.92 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.04 HN 0.96 KP 0.98 ! LA 0.99 MK 1.06 NL 0.96 OV 0.98 ! PT 1.08 SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.05 HN 0.82 KP 0.97 ! LA 0.97 MK 1.10 NL 1.04 OV 0.98 ! PT 0.96 SC 1.04 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 0.95 KP 1.00 ! LA 1.01 MK 1.01 NL 1.03 OV 0.91 ! PT 1.04 SC 1.01 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.06 HN 0.90 KP 1.01 ! LA 0.97 MK 1.02 NL 1.04 OV 0.88 ! PT 1.00 SC 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.06 HN 0.88 KP 0.99 ! LA 1.00 MK 0.93 NL 1.07 OV 0.93 ! PT 1.01 SC 0.92 ! ! ! Fit before self-cal, rms=0.064413Jy sigma=1.224706 ! Fit after self-cal, rms=0.062887Jy sigma=1.220168 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8187 mas, bmaj=2.047 mas, bpa=-4.595 degrees ! Estimated noise=0.210804 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 (13.8, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00201425 Jy ! Component: 100 - total flux cleaned = 0.00334639 Jy ! Component: 150 - total flux cleaned = 0.00424245 Jy ! Component: 200 - total flux cleaned = 0.00463543 Jy ! Total flux subtracted in 200 components = 0.00463543 Jy ! Clean residual min=-0.001140 max=0.001355 Jy/beam ! Clean residual mean=-0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.0779329 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 49 components and 0.0779329 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=0.062806Jy sigma=1.218408 ! Fit after self-cal, rms=0.062821Jy sigma=1.217932 ! 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=0.062821Jy sigma=1.217932 ! Fit after self-cal, rms=0.063162Jy sigma=1.216302 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8175 mas, bmaj=2.042 mas, bpa=-4.724 degrees ! Estimated noise=0.211132 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102515 Jy ! Component: 100 - total flux cleaned = 0.00167049 Jy ! Component: 150 - total flux cleaned = 0.00199424 Jy ! Component: 200 - total flux cleaned = 0.0022057 Jy ! Total flux subtracted in 200 components = 0.0022057 Jy ! Clean residual min=-0.001072 max=0.001277 Jy/beam ! Clean residual mean=-0.000001 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.0801386 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 52 components and 0.0801386 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=0.063137Jy sigma=1.215835 ! Fit after self-cal, rms=0.063153Jy sigma=1.215708 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 (22.2, -15). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113591 Jy ! Component: 100 - total flux cleaned = 0.00176794 Jy ! Component: 150 - total flux cleaned = 0.00214795 Jy ! Component: 200 - total flux cleaned = 0.00235284 Jy ! Total flux subtracted in 200 components = 0.00235284 Jy ! Clean residual min=-0.000991 max=0.001203 Jy/beam ! Clean residual mean=-0.000001 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.0824915 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 75 components and 0.0824915 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=0.063131Jy sigma=1.215135 ! Fit after self-cal, rms=0.063129Jy sigma=1.215077 ! Inverting map ! Added new window around map position (3.6, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000966837 Jy ! Component: 100 - total flux cleaned = 0.00117296 Jy ! Component: 150 - total flux cleaned = 0.0013473 Jy ! Component: 200 - total flux cleaned = 0.00140991 Jy ! Total flux subtracted in 200 components = 0.00140991 Jy ! Clean residual min=-0.000989 max=0.001104 Jy/beam ! Clean residual mean=-0.000001 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.0839014 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 92 components and 0.0839014 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=0.063110Jy sigma=1.214677 ! Fit after self-cal, rms=0.063109Jy sigma=1.214638 ! Inverting map ! Added new window around map position (19.6, 48.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000833239 Jy ! Component: 100 - total flux cleaned = 0.0010076 Jy ! Component: 150 - total flux cleaned = 0.00109342 Jy ! Component: 200 - total flux cleaned = 0.00115801 Jy ! Total flux subtracted in 200 components = 0.00115801 Jy ! Clean residual min=-0.000967 max=0.001032 Jy/beam ! Clean residual mean=-0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.0850594 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 108 components and 0.0850594 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=0.063091Jy sigma=1.214302 ! Fit after self-cal, rms=0.063090Jy sigma=1.214262 ! 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=0.063090Jy sigma=1.214262 ! Fit after self-cal, rms=0.063270Jy sigma=1.214145 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8159 mas, bmaj=2.041 mas, bpa=-4.633 degrees ! Estimated noise=0.211178 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000514055 Jy ! Component: 100 - total flux cleaned = 0.00066634 Jy ! Component: 150 - total flux cleaned = 0.000728811 Jy ! Component: 200 - total flux cleaned = 0.000802568 Jy ! Total flux subtracted in 200 components = 0.000802568 Jy ! Clean residual min=-0.000917 max=0.001001 Jy/beam ! Clean residual mean=-0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.085862 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 116 components and 0.085862 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=0.063261Jy sigma=1.213991 ! Fit after self-cal, rms=0.063271Jy sigma=1.213966 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 = 0.000146237 Jy ! Component: 100 - total flux cleaned = 0.000188868 Jy ! Component: 150 - total flux cleaned = 0.000229725 Jy ! Component: 200 - total flux cleaned = 0.00026846 Jy ! Total flux subtracted in 200 components = 0.00026846 Jy ! Clean residual min=-0.000900 max=0.001006 Jy/beam ! Clean residual mean=-0.000000 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.0861304 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 121 components and 0.0861305 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=0.063265Jy sigma=1.213864 ! Fit after self-cal, rms=0.063266Jy sigma=1.213864 ! Inverting map ! Added new window around map position (-25.6, -19.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000854455 Jy ! Component: 100 - total flux cleaned = 0.000988338 Jy ! Component: 150 - total flux cleaned = 0.00109826 Jy ! Component: 200 - total flux cleaned = 0.00115482 Jy ! Total flux subtracted in 200 components = 0.00115482 Jy ! Clean residual min=-0.000933 max=0.000869 Jy/beam ! Clean residual mean=-0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0872853 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 130 components and 0.0872853 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=0.063248Jy sigma=1.213593 ! Fit after self-cal, rms=0.063245Jy sigma=1.213573 ! 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=0.063245Jy sigma=1.213573 ! Fit after self-cal, rms=0.063227Jy sigma=1.213573 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.15 mas, bmaj=4.767 mas, bpa=-0.4761 degrees ! Estimated noise=0.275538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000587047 Jy ! Component: 100 - total flux cleaned = 0.000943494 Jy ! Component: 150 - total flux cleaned = 0.00110213 Jy ! Component: 200 - total flux cleaned = 0.00114956 Jy ! Total flux subtracted in 200 components = 0.00114956 Jy ! Clean residual min=-0.001110 max=0.000966 Jy/beam ! Clean residual mean=-0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0884348 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 145 components and 0.0884348 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=0.063223Jy sigma=1.213545 ! Fit after self-cal, rms=0.063222Jy sigma=1.213525 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 = 0.000235722 Jy ! Component: 100 - total flux cleaned = 0.00025698 Jy ! Component: 150 - total flux cleaned = 0.000296904 Jy ! Component: 200 - total flux cleaned = 0.000324963 Jy ! Total flux subtracted in 200 components = 0.000324963 Jy ! Clean residual min=-0.001072 max=0.000958 Jy/beam ! Clean residual mean=-0.000000 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.0887598 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 151 components and 0.0887598 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=0.063220Jy sigma=1.213518 ! Fit after self-cal, rms=0.063220Jy sigma=1.213516 ! 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=0.8153 mas, bmaj=2.041 mas, bpa=-4.644 degrees ! Estimated noise=0.211291 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8153 x 2.041 at -4.644 degrees (North through East) ! Clean map min=-0.00082181 max=0.058405 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=0.6106 mas, bmaj=1.624 mas, bpa=-4.997 degrees ! Estimated noise=0.430235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0414986 Jy ! Component: 100 - total flux cleaned = 0.0534084 Jy ! Component: 150 - total flux cleaned = 0.0604959 Jy ! Component: 200 - total flux cleaned = 0.0652507 Jy ! Total flux subtracted in 200 components = 0.0652507 Jy ! Clean residual min=-0.002474 max=0.002901 Jy/beam ! Clean residual mean=-0.000003 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.0652507 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0652507 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8153 mas, bmaj=2.041 mas, bpa=-4.644 degrees ! Estimated noise=0.211291 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 = 0.0050181 Jy ! Component: 100 - total flux cleaned = 0.00798145 Jy ! Component: 150 - total flux cleaned = 0.0101809 Jy ! Component: 200 - total flux cleaned = 0.0119752 Jy ! Total flux subtracted in 200 components = 0.0119752 Jy ! Clean residual min=-0.001278 max=0.001433 Jy/beam ! Clean residual mean=-0.000002 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.077226 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 36 components and 0.0772259 Jy ! Inverting map ! Added new window around map position (12, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00163323 Jy ! Component: 100 - total flux cleaned = 0.00298801 Jy ! Component: 150 - total flux cleaned = 0.00416444 Jy ! Component: 200 - total flux cleaned = 0.00519095 Jy ! Total flux subtracted in 200 components = 0.00519095 Jy ! Clean residual min=-0.001071 max=0.001004 Jy/beam ! Clean residual mean=-0.000001 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.0824169 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 53 components and 0.0824169 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=2.15 mas, bmaj=4.767 mas, bpa=-0.4761 degrees ! Estimated noise=0.275538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149278 Jy ! Component: 100 - total flux cleaned = 0.00256499 Jy ! Component: 150 - total flux cleaned = 0.00339808 Jy ! Component: 200 - total flux cleaned = 0.00406565 Jy ! Total flux subtracted in 200 components = 0.00406565 Jy ! Clean residual min=-0.001305 max=0.001055 Jy/beam ! Clean residual mean=-0.000001 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.0864825 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 = 0.000558284 Jy ! Component: 100 - total flux cleaned = 0.00103862 Jy ! Component: 150 - total flux cleaned = 0.0014398 Jy ! Component: 200 - total flux cleaned = 0.00161927 Jy ! Total flux subtracted in 200 components = 0.00161927 Jy ! Clean residual min=-0.001175 max=0.000969 Jy/beam ! Clean residual mean=-0.000001 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0881018 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 104 components and 0.0881018 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8153 mas, bmaj=2.041 mas, bpa=-4.644 degrees ! Estimated noise=0.211291 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000339667 Jy ! Component: 100 - total flux cleaned = 0.000293163 Jy ! Component: 150 - total flux cleaned = 0.000292081 Jy ! Component: 200 - total flux cleaned = 0.000311448 Jy ! Total flux subtracted in 200 components = 0.000311448 Jy ! Clean residual min=-0.000913 max=0.000927 Jy/beam ! Clean residual mean=-0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0884133 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 119 components and 0.0884133 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=0.063237Jy sigma=1.213795 ! Fit after self-cal, rms=0.063230Jy sigma=1.213694 wmodel J0831-2228_X_map.mod ! Writing 119 model components to file: J0831-2228_X_map.mod wobs J0831-2228_X_uvs.fits ! Writing UV FITS file: J0831-2228_X_uvs.fits wwins J0831-2228_X_map.win ! wwins: Wrote 8 windows to J0831-2228_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 = -6.8465e-05 Jy ! Component: 100 - total flux cleaned = -0.000116516 Jy ! Component: 150 - total flux cleaned = -0.000193546 Jy ! Component: 200 - total flux cleaned = -0.000252986 Jy ! Component: 250 - total flux cleaned = -0.000281985 Jy ! Component: 300 - total flux cleaned = -0.0003246 Jy ! Component: 350 - total flux cleaned = -0.000352149 Jy ! Component: 400 - total flux cleaned = -0.000406564 Jy ! Component: 450 - total flux cleaned = -0.000446563 Jy ! Component: 500 - total flux cleaned = -0.000485857 Jy ! Component: 550 - total flux cleaned = -0.000498883 Jy ! Component: 600 - total flux cleaned = -0.000549853 Jy ! Component: 650 - total flux cleaned = -0.000562409 Jy ! Component: 700 - total flux cleaned = -0.000611479 Jy ! Component: 750 - total flux cleaned = -0.000659883 Jy ! Component: 800 - total flux cleaned = -0.000695624 Jy ! Component: 850 - total flux cleaned = -0.000742789 Jy ! Component: 900 - total flux cleaned = -0.00078941 Jy ! Component: 950 - total flux cleaned = -0.000823781 Jy ! Component: 1000 - total flux cleaned = -0.00086913 Jy ! Component: 1050 - total flux cleaned = -0.00091397 Jy ! Component: 1100 - total flux cleaned = -0.000947292 Jy ! Component: 1150 - total flux cleaned = -0.000980244 Jy ! Component: 1200 - total flux cleaned = -0.00101285 Jy ! Component: 1250 - total flux cleaned = -0.00104486 Jy ! Component: 1300 - total flux cleaned = -0.00106598 Jy ! Component: 1350 - total flux cleaned = -0.00108702 Jy ! Component: 1400 - total flux cleaned = -0.00112862 Jy ! Component: 1450 - total flux cleaned = -0.00114929 Jy ! Component: 1500 - total flux cleaned = -0.00116973 Jy ! Component: 1550 - total flux cleaned = -0.00122024 Jy ! Component: 1600 - total flux cleaned = -0.00126005 Jy ! Component: 1650 - total flux cleaned = -0.00128976 Jy ! Component: 1700 - total flux cleaned = -0.00131904 Jy ! Component: 1750 - total flux cleaned = -0.00132876 Jy ! Component: 1800 - total flux cleaned = -0.00131923 Jy ! Component: 1850 - total flux cleaned = -0.00137653 Jy ! Component: 1900 - total flux cleaned = -0.00136718 Jy ! Component: 1950 - total flux cleaned = -0.00140472 Jy ! Component: 2000 - total flux cleaned = -0.00143267 Jy ! Component: 2050 - total flux cleaned = -0.00147881 Jy ! Component: 2100 - total flux cleaned = -0.00147884 Jy ! Component: 2150 - total flux cleaned = -0.00147896 Jy ! Component: 2200 - total flux cleaned = -0.00150598 Jy ! Component: 2250 - total flux cleaned = -0.00150589 Jy ! Component: 2300 - total flux cleaned = -0.00153257 Jy ! Component: 2350 - total flux cleaned = -0.00158537 Jy ! Component: 2400 - total flux cleaned = -0.00163771 Jy ! Component: 2450 - total flux cleaned = -0.00167227 Jy ! Component: 2500 - total flux cleaned = -0.00167221 Jy ! Component: 2550 - total flux cleaned = -0.0016979 Jy ! Component: 2600 - total flux cleaned = -0.00175735 Jy ! Component: 2650 - total flux cleaned = -0.00177423 Jy ! Component: 2700 - total flux cleaned = -0.00180771 Jy ! Component: 2750 - total flux cleaned = -0.00183271 Jy ! Component: 2800 - total flux cleaned = -0.00187402 Jy ! Component: 2850 - total flux cleaned = -0.00189049 Jy ! Component: 2900 - total flux cleaned = -0.0019639 Jy ! Component: 2950 - total flux cleaned = -0.00200441 Jy ! Component: 3000 - total flux cleaned = -0.00203663 Jy ! Component: 3050 - total flux cleaned = -0.00207671 Jy ! Component: 3100 - total flux cleaned = -0.00211651 Jy ! Component: 3150 - total flux cleaned = -0.00213237 Jy ! Component: 3200 - total flux cleaned = -0.00217164 Jy ! Component: 3250 - total flux cleaned = -0.00218725 Jy ! Component: 3300 - total flux cleaned = -0.00222611 Jy ! Component: 3350 - total flux cleaned = -0.00226472 Jy ! Component: 3400 - total flux cleaned = -0.00228009 Jy ! Component: 3450 - total flux cleaned = -0.00231061 Jy ! Component: 3500 - total flux cleaned = -0.00231066 Jy ! Component: 3550 - total flux cleaned = -0.00238601 Jy ! Component: 3600 - total flux cleaned = -0.00240844 Jy ! Component: 3650 - total flux cleaned = -0.00243088 Jy ! Component: 3700 - total flux cleaned = -0.00246054 Jy ! Component: 3750 - total flux cleaned = -0.00246793 Jy ! Component: 3800 - total flux cleaned = -0.00249719 Jy ! Component: 3850 - total flux cleaned = -0.00251909 Jy ! Component: 3900 - total flux cleaned = -0.00254085 Jy ! Component: 3950 - total flux cleaned = -0.00257691 Jy ! Component: 4000 - total flux cleaned = -0.00259131 Jy ! Component: 4050 - total flux cleaned = -0.00261979 Jy ! Total flux subtracted in 4096 components = -0.00261978 Jy ! Clean residual min=-0.000454 max=0.000437 Jy/beam ! Clean residual mean=-0.000000 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.0857935 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 403 components and 0.0857935 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0831-2228_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8153 x 2.041 at -4.644 degrees (North through East) ! Clean map min=-0.00073642 max=0.058394 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0831-2228_X_map.fits wmodel /vlbi/uf001/uva//J0831-2228_X_map.mod ! Writing 403 model components to file: /vlbi/uf001/uva//J0831-2228_X_map.mod wobs /vlbi/uf001/uva//J0831-2228_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0831-2228_X_uvs.fits wwins /vlbi/uf001/uva//J0831-2228_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J0831-2228_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0583945 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000120216 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.617606 0.617606 1.23521 2.47042 4.94084 9.88169 19.7634 39.5268 79.0535 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.058 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 485.747 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0831-2228_X_dfm.log closed on Sun Jan 13 23:58:51 2019