! Started logfile: /vlbi/uf001/uva//J1915+6548_X_dfm.log on Mon Jan 14 04:59:33 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//J1915+6548_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1915+6548_X_uva.fits ! AN table 1: 76 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.983918 visibilities/baseline/integration-bin. ! Found source: J1915+6548 ! ! 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 40380 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 J1915+6548_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002713Jy sigma=25.236343 ! Fit after self-cal, rms=0.905002Jy sigma=22.720691 ! 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=0.7674 mas, bmaj=0.9411 mas, bpa=19.23 degrees ! Estimated noise=0.304999 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 = 0.066271 Jy ! Component: 100 - total flux cleaned = 0.0869504 Jy ! Total flux subtracted in 100 components = 0.0869504 Jy ! Clean residual min=-0.004175 max=0.014643 Jy/beam ! Clean residual mean=0.000002 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.0869504 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0869504 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=0.064240Jy sigma=1.557047 ! Fit after self-cal, rms=0.064187Jy sigma=1.555776 ! Inverting map ! Added new window around map position (-0.6, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01434 Jy ! Component: 100 - total flux cleaned = 0.023364 Jy ! Total flux subtracted in 100 components = 0.023364 Jy ! Clean residual min=-0.003331 max=0.005235 Jy/beam ! Clean residual mean=0.000002 rms=0.000742 Jy/beam ! Combined flux in latest and established models = 0.110314 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 26 components and 0.110314 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=0.059042Jy sigma=1.411631 ! Fit after self-cal, rms=0.058836Jy sigma=1.406865 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00704828 Jy ! Component: 100 - total flux cleaned = 0.0118501 Jy ! Total flux subtracted in 100 components = 0.0118501 Jy ! Clean residual min=-0.003114 max=0.004666 Jy/beam ! Clean residual mean=0.000002 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.122164 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.122164 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=0.057331Jy sigma=1.363791 ! Fit after self-cal, rms=0.057265Jy sigma=1.362275 ! Inverting map ! Added new window around map position (-2.2, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00485859 Jy ! Component: 100 - total flux cleaned = 0.00842611 Jy ! Total flux subtracted in 100 components = 0.00842611 Jy ! Clean residual min=-0.002756 max=0.003173 Jy/beam ! Clean residual mean=0.000002 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.130591 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 44 components and 0.130591 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=0.056542Jy sigma=1.341811 ! Fit after self-cal, rms=0.056518Jy sigma=1.341284 ! 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=1.011 mas, bmaj=1.224 mas, bpa=20.27 degrees ! Estimated noise=0.146058 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00645675 Jy ! Component: 100 - total flux cleaned = 0.0109944 Jy ! Component: 150 - total flux cleaned = 0.0145326 Jy ! Component: 200 - total flux cleaned = 0.0173314 Jy ! Total flux subtracted in 200 components = 0.0173314 Jy ! Clean residual min=-0.002055 max=0.003282 Jy/beam ! Clean residual mean=0.000007 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.147922 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 82 components and 0.147922 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=0.055592Jy sigma=1.313629 ! Fit after self-cal, rms=0.055536Jy sigma=1.312097 ! Inverting map ! Added new window around map position (-30.8, -12.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00316672 Jy ! Component: 100 - total flux cleaned = 0.00546068 Jy ! Component: 150 - total flux cleaned = 0.00732059 Jy ! Component: 200 - total flux cleaned = 0.00886674 Jy ! Total flux subtracted in 200 components = 0.00886674 Jy ! Clean residual min=-0.002009 max=0.002277 Jy/beam ! Clean residual mean=0.000006 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 0.156789 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 106 components and 0.156789 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=0.055297Jy sigma=1.304898 ! Fit after self-cal, rms=0.055282Jy sigma=1.304463 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.011 x 1.224 at 20.27 degrees (North through East) ! Clean map min=-0.0019918 max=0.090979 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.97 KP 1.01 ! LA 0.95 MK 1.00 NL 1.14 OV 0.89 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.94 KP 1.01 ! LA 0.95 MK 1.02 NL 1.11 OV 0.91 ! PT 0.97 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.92 KP 1.03 ! LA 0.93 MK 1.04 NL 1.10 OV 0.89 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.97 KP 1.05 ! LA 0.94 MK 1.00 NL 1.13 OV 0.91 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.92 KP 1.05 ! LA 0.95 MK 1.00 NL 1.12 OV 0.93 ! PT 0.95 SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 0.95 KP 1.04 ! LA 0.93 MK 1.00 NL 1.12 OV 0.91 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.99 KP 1.06 ! LA 0.95 MK 1.07 NL 1.13 OV 0.91 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.98 KP 1.01 ! LA 0.98 MK 1.07 NL 1.13 OV 0.92 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 0.99 KP 1.02 ! LA 0.96 MK 1.04 NL 1.11 OV 0.94 ! PT 0.99 SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.00 HN 0.96 KP 1.03 ! LA 0.98 MK 1.02 NL 1.11 OV 0.91 ! PT 0.98 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.97 KP 1.05 ! LA 0.96 MK 1.08 NL 1.10 OV 0.90 ! PT 1.00 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.01 HN 0.97 KP 1.01 ! LA 0.98 MK 1.02 NL 1.14 OV 0.91 ! PT 0.98 SC 0.98 ! ! ! Fit before self-cal, rms=0.055282Jy sigma=1.304463 ! Fit after self-cal, rms=0.054593Jy sigma=1.285877 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.01 mas, bmaj=1.228 mas, bpa=20.46 degrees ! Estimated noise=0.145912 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 (-4.6, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00118246 Jy ! Component: 100 - total flux cleaned = 0.00154361 Jy ! Component: 150 - total flux cleaned = 0.00180793 Jy ! Component: 200 - total flux cleaned = 0.00204125 Jy ! Total flux subtracted in 200 components = 0.00204125 Jy ! Clean residual min=-0.001144 max=0.001026 Jy/beam ! Clean residual mean=0.000002 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.15883 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 123 components and 0.15883 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=0.054530Jy sigma=1.284219 ! Fit after self-cal, rms=0.054563Jy sigma=1.283893 ! 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=0.054563Jy sigma=1.283893 ! Fit after self-cal, rms=0.054622Jy sigma=1.280532 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.231 mas, bpa=19.93 degrees ! Estimated noise=0.145917 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000257097 Jy ! Component: 100 - total flux cleaned = 0.000468525 Jy ! Component: 150 - total flux cleaned = 0.000628221 Jy ! Component: 200 - total flux cleaned = 0.000772551 Jy ! Total flux subtracted in 200 components = 0.000772551 Jy ! Clean residual min=-0.000921 max=0.000883 Jy/beam ! Clean residual mean=0.000003 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.159603 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 133 components and 0.159603 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=0.054594Jy sigma=1.279808 ! Fit after self-cal, rms=0.054600Jy sigma=1.279736 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 = 0.000165613 Jy ! Component: 100 - total flux cleaned = 0.000273159 Jy ! Component: 150 - total flux cleaned = 0.000390641 Jy ! Component: 200 - total flux cleaned = 0.000480801 Jy ! Total flux subtracted in 200 components = 0.000480801 Jy ! Clean residual min=-0.000893 max=0.000864 Jy/beam ! Clean residual mean=0.000003 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.160083 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 142 components and 0.160083 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=0.054586Jy sigma=1.279386 ! Fit after self-cal, rms=0.054585Jy sigma=1.279374 ! 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=0.054585Jy sigma=1.279374 ! Fit after self-cal, rms=0.054668Jy sigma=1.278005 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.229 mas, bpa=19.8 degrees ! Estimated noise=0.145908 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00011721 Jy ! Component: 100 - total flux cleaned = 0.000270219 Jy ! Component: 150 - total flux cleaned = 0.000355944 Jy ! Component: 200 - total flux cleaned = 0.000419585 Jy ! Total flux subtracted in 200 components = 0.000419585 Jy ! Clean residual min=-0.000840 max=0.000853 Jy/beam ! Clean residual mean=0.000002 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.160503 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 156 components and 0.160503 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=0.054657Jy sigma=1.277710 ! Fit after self-cal, rms=0.054661Jy sigma=1.277680 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 (-48.2, 31.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000762597 Jy ! Component: 100 - total flux cleaned = 0.00100815 Jy ! Component: 150 - total flux cleaned = 0.00113378 Jy ! Component: 200 - total flux cleaned = 0.0012224 Jy ! Total flux subtracted in 200 components = 0.0012224 Jy ! Clean residual min=-0.000884 max=0.000818 Jy/beam ! Clean residual mean=0.000003 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.161725 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 166 components and 0.161725 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=0.054648Jy sigma=1.277315 ! Fit after self-cal, rms=0.054647Jy sigma=1.277295 ! 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=0.054647Jy sigma=1.277295 ! Fit after self-cal, rms=0.054628Jy sigma=1.277260 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.289 mas, bmaj=2.508 mas, bpa=45.07 degrees ! Estimated noise=0.187914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0005697 Jy ! Component: 100 - total flux cleaned = 0.000835456 Jy ! Component: 150 - total flux cleaned = 0.00101395 Jy ! Component: 200 - total flux cleaned = 0.00114573 Jy ! Total flux subtracted in 200 components = 0.00114573 Jy ! Clean residual min=-0.001044 max=0.001144 Jy/beam ! Clean residual mean=0.000006 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.162871 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 182 components and 0.162871 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=0.054625Jy sigma=1.277182 ! Fit after self-cal, rms=0.054624Jy sigma=1.277170 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 (9.2, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000611336 Jy ! Component: 100 - total flux cleaned = 0.000858737 Jy ! Component: 150 - total flux cleaned = 0.00114927 Jy ! Component: 200 - total flux cleaned = 0.00131997 Jy ! Total flux subtracted in 200 components = 0.00131997 Jy ! Clean residual min=-0.000964 max=0.000807 Jy/beam ! Clean residual mean=0.000005 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.164191 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 225 components and 0.164191 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=0.054612Jy sigma=1.276915 ! Fit after self-cal, rms=0.054610Jy sigma=1.276892 ! 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=1.227 mas, bpa=19.72 degrees ! Estimated noise=0.145907 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.005 x 1.227 at 19.72 degrees (North through East) ! Clean map min=-0.00079353 max=0.090711 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=0.7616 mas, bmaj=0.9447 mas, bpa=19.15 degrees ! Estimated noise=0.304173 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0657189 Jy ! Component: 100 - total flux cleaned = 0.0886833 Jy ! Component: 150 - total flux cleaned = 0.102841 Jy ! Component: 200 - total flux cleaned = 0.112192 Jy ! Total flux subtracted in 200 components = 0.112192 Jy ! Clean residual min=-0.002586 max=0.005141 Jy/beam ! Clean residual mean=0.000002 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 0.112192 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.112192 Jy ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.227 mas, bpa=19.72 degrees ! Estimated noise=0.145907 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 = 0.0108238 Jy ! Component: 100 - total flux cleaned = 0.0180851 Jy ! Component: 150 - total flux cleaned = 0.0234395 Jy ! Component: 200 - total flux cleaned = 0.0276193 Jy ! Total flux subtracted in 200 components = 0.0276193 Jy ! Clean residual min=-0.001394 max=0.002482 Jy/beam ! Clean residual mean=0.000006 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.139812 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 64 components and 0.139812 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00335591 Jy ! Component: 100 - total flux cleaned = 0.00608178 Jy ! Component: 150 - total flux cleaned = 0.00833323 Jy ! Component: 200 - total flux cleaned = 0.0102239 Jy ! Total flux subtracted in 200 components = 0.0102239 Jy ! Clean residual min=-0.001032 max=0.001264 Jy/beam ! Clean residual mean=0.000004 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.150035 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 94 components and 0.150035 Jy ! Inverting map ! Added new window around map position (-1.8, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161727 Jy ! Component: 100 - total flux cleaned = 0.00298968 Jy ! Component: 150 - total flux cleaned = 0.00418737 Jy ! Component: 200 - total flux cleaned = 0.00524705 Jy ! Total flux subtracted in 200 components = 0.00524705 Jy ! Clean residual min=-0.000910 max=0.000825 Jy/beam ! Clean residual mean=0.000004 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.155283 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 116 components and 0.155282 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=2.289 mas, bmaj=2.508 mas, bpa=45.07 degrees ! Estimated noise=0.187914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00164296 Jy ! Component: 100 - total flux cleaned = 0.00291971 Jy ! Component: 150 - total flux cleaned = 0.00390704 Jy ! Component: 200 - total flux cleaned = 0.00464287 Jy ! Total flux subtracted in 200 components = 0.00464287 Jy ! Clean residual min=-0.001094 max=0.000866 Jy/beam ! Clean residual mean=0.000007 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.159925 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 = 0.000608601 Jy ! Component: 100 - total flux cleaned = 0.00117168 Jy ! Component: 150 - total flux cleaned = 0.0016447 Jy ! Component: 200 - total flux cleaned = 0.00211053 Jy ! Total flux subtracted in 200 components = 0.00211053 Jy ! Clean residual min=-0.000990 max=0.000818 Jy/beam ! Clean residual mean=0.000006 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.162036 Jy ! Adding 112 model components to the UV plane model. ! The established model now contains 211 components and 0.162036 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.227 mas, bpa=19.72 degrees ! Estimated noise=0.145907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.29409e-06 Jy ! Component: 100 - total flux cleaned = 0.000311289 Jy ! Component: 150 - total flux cleaned = 0.000530304 Jy ! Component: 200 - total flux cleaned = 0.000692957 Jy ! Total flux subtracted in 200 components = 0.000692957 Jy ! Clean residual min=-0.000845 max=0.000765 Jy/beam ! Clean residual mean=0.000002 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.162729 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 236 components and 0.162729 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=0.054612Jy sigma=1.276902 ! Fit after self-cal, rms=0.054607Jy sigma=1.276819 wmodel J1915+6548_X_map.mod ! Writing 236 model components to file: J1915+6548_X_map.mod wobs J1915+6548_X_uvs.fits ! Writing UV FITS file: J1915+6548_X_uvs.fits wwins J1915+6548_X_map.win ! wwins: Wrote 9 windows to J1915+6548_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 = -0.00020354 Jy ! Component: 100 - total flux cleaned = -0.000352654 Jy ! Component: 150 - total flux cleaned = -0.000457449 Jy ! Component: 200 - total flux cleaned = -0.000533927 Jy ! Component: 250 - total flux cleaned = -0.000596146 Jy ! Component: 300 - total flux cleaned = -0.00062035 Jy ! Component: 350 - total flux cleaned = -0.000680045 Jy ! Component: 400 - total flux cleaned = -0.000750258 Jy ! Component: 450 - total flux cleaned = -0.000773154 Jy ! Component: 500 - total flux cleaned = -0.000761746 Jy ! Component: 550 - total flux cleaned = -0.000817893 Jy ! Component: 600 - total flux cleaned = -0.000773457 Jy ! Component: 650 - total flux cleaned = -0.000806487 Jy ! Component: 700 - total flux cleaned = -0.000828249 Jy ! Component: 750 - total flux cleaned = -0.000828147 Jy ! Component: 800 - total flux cleaned = -0.000817649 Jy ! Component: 850 - total flux cleaned = -0.000838847 Jy ! Component: 900 - total flux cleaned = -0.000880537 Jy ! Component: 950 - total flux cleaned = -0.000849438 Jy ! Component: 1000 - total flux cleaned = -0.000870161 Jy ! Component: 1050 - total flux cleaned = -0.000910746 Jy ! Component: 1100 - total flux cleaned = -0.000890562 Jy ! Component: 1150 - total flux cleaned = -0.000920538 Jy ! Component: 1200 - total flux cleaned = -0.000910671 Jy ! Component: 1250 - total flux cleaned = -0.000920576 Jy ! Component: 1300 - total flux cleaned = -0.000949989 Jy ! Component: 1350 - total flux cleaned = -0.000949985 Jy ! Component: 1400 - total flux cleaned = -0.00095005 Jy ! Component: 1450 - total flux cleaned = -0.000930988 Jy ! Component: 1500 - total flux cleaned = -0.000959504 Jy ! Component: 1550 - total flux cleaned = -0.000968973 Jy ! Component: 1600 - total flux cleaned = -0.000922131 Jy ! Component: 1650 - total flux cleaned = -0.000959452 Jy ! Component: 1700 - total flux cleaned = -0.000950267 Jy ! Component: 1750 - total flux cleaned = -0.00092266 Jy ! Component: 1800 - total flux cleaned = -0.000950182 Jy ! Component: 1850 - total flux cleaned = -0.000968345 Jy ! Component: 1900 - total flux cleaned = -0.000950252 Jy ! Component: 1950 - total flux cleaned = -0.000941222 Jy ! Component: 2000 - total flux cleaned = -0.000914435 Jy ! Component: 2050 - total flux cleaned = -0.000923266 Jy ! Component: 2100 - total flux cleaned = -0.000949749 Jy ! Component: 2150 - total flux cleaned = -0.00091466 Jy ! Component: 2200 - total flux cleaned = -0.000940741 Jy ! Component: 2250 - total flux cleaned = -0.00092339 Jy ! Component: 2300 - total flux cleaned = -0.000932031 Jy ! Component: 2350 - total flux cleaned = -0.000923422 Jy ! Component: 2400 - total flux cleaned = -0.000889268 Jy ! Component: 2450 - total flux cleaned = -0.000906162 Jy ! Component: 2500 - total flux cleaned = -0.000897736 Jy ! Component: 2550 - total flux cleaned = -0.000922897 Jy ! Component: 2600 - total flux cleaned = -0.000947956 Jy ! Component: 2650 - total flux cleaned = -0.00091471 Jy ! Component: 2700 - total flux cleaned = -0.000947887 Jy ! Component: 2750 - total flux cleaned = -0.000939618 Jy ! Component: 2800 - total flux cleaned = -0.000964234 Jy ! Component: 2850 - total flux cleaned = -0.000964213 Jy ! Component: 2900 - total flux cleaned = -0.00096417 Jy ! Component: 2950 - total flux cleaned = -0.000947936 Jy ! Component: 3000 - total flux cleaned = -0.000923739 Jy ! Component: 3050 - total flux cleaned = -0.000955809 Jy ! Component: 3100 - total flux cleaned = -0.000995698 Jy ! Component: 3150 - total flux cleaned = -0.000971843 Jy ! Component: 3200 - total flux cleaned = -0.000979774 Jy ! Component: 3250 - total flux cleaned = -0.000971866 Jy ! Component: 3300 - total flux cleaned = -0.000995375 Jy ! Component: 3350 - total flux cleaned = -0.000971977 Jy ! Component: 3400 - total flux cleaned = -0.000956423 Jy ! Component: 3450 - total flux cleaned = -0.0010029 Jy ! Component: 3500 - total flux cleaned = -0.000987495 Jy ! Component: 3550 - total flux cleaned = -0.000995173 Jy ! Component: 3600 - total flux cleaned = -0.000987505 Jy ! Component: 3650 - total flux cleaned = -0.000949441 Jy ! Component: 3700 - total flux cleaned = -0.000957004 Jy ! Component: 3750 - total flux cleaned = -0.000941924 Jy ! Component: 3800 - total flux cleaned = -0.000926922 Jy ! Component: 3850 - total flux cleaned = -0.000956917 Jy ! Component: 3900 - total flux cleaned = -0.000941979 Jy ! Component: 3950 - total flux cleaned = -0.000956888 Jy ! Component: 4000 - total flux cleaned = -0.000919801 Jy ! Component: 4050 - total flux cleaned = -0.000934509 Jy ! Total flux subtracted in 4096 components = -0.00091242 Jy ! Clean residual min=-0.000496 max=0.000393 Jy/beam ! Clean residual mean=0.000001 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.161816 Jy keep ! Adding 346 model components to the UV plane model. ! The established model now contains 582 components and 0.161816 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1915+6548_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.005 x 1.227 at 19.72 degrees (North through East) ! Clean map min=-0.00062626 max=0.090931 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1915+6548_X_map.fits wmodel /vlbi/uf001/uva//J1915+6548_X_map.mod ! Writing 582 model components to file: /vlbi/uf001/uva//J1915+6548_X_map.mod wobs /vlbi/uf001/uva//J1915+6548_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1915+6548_X_uvs.fits wwins /vlbi/uf001/uva//J1915+6548_X_map.win ! wwins: Wrote 10 windows to /vlbi/uf001/uva//J1915+6548_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0909311 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000124879 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.412002 0.412002 0.824003 1.64801 3.29601 6.59202 13.184 26.3681 52.7362 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.09 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 728.152 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1915+6548_X_dfm.log closed on Mon Jan 14 04:59:40 2019