! Started logfile: /vlbi/bp222/maps//J1558+3323_X_dfm.log on Thu Sep 27 11:21:52 2018 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/bp222/maps//J1558+3323_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1558+3323_X_uva.fits ! AN table 1: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.963768 visibilities/baseline/integration-bin. ! Found source: J1558+3323 ! ! 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 9576 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 J1558+3323_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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006663Jy sigma=15.238274 ! Fit after self-cal, rms=0.879397Jy sigma=13.306584 ! 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=0.611 mas, bmaj=2.348 mas, bpa=-13.25 degrees ! Estimated noise=1.02591 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 = 0.0936722 Jy ! Component: 100 - total flux cleaned = 0.114152 Jy ! Total flux subtracted in 100 components = 0.114152 Jy ! Clean residual min=-0.003630 max=0.006059 Jy/beam ! Clean residual mean=-0.000002 rms=0.001016 Jy/beam ! Combined flux in latest and established models = 0.114152 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.114152 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=0.059277Jy sigma=0.830619 ! Fit after self-cal, rms=0.059268Jy sigma=0.830503 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00638225 Jy ! Component: 100 - total flux cleaned = 0.00942306 Jy ! Total flux subtracted in 100 components = 0.00942306 Jy ! Clean residual min=-0.003092 max=0.003229 Jy/beam ! Clean residual mean=-0.000001 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.123575 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 15 components and 0.123575 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=0.058443Jy sigma=0.818960 ! Fit after self-cal, rms=0.058433Jy sigma=0.818839 ! 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=0.8176 mas, bmaj=2.541 mas, bpa=-12.43 degrees ! Estimated noise=0.49597 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 = 0.00208581 Jy ! Component: 100 - total flux cleaned = 0.00241834 Jy ! Component: 150 - total flux cleaned = 0.00273485 Jy ! Component: 200 - total flux cleaned = 0.00292013 Jy ! Total flux subtracted in 200 components = 0.00292013 Jy ! Clean residual min=-0.002809 max=0.002758 Jy/beam ! Clean residual mean=-0.000001 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.126495 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 28 components and 0.126495 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=0.058333Jy sigma=0.817757 ! Fit after self-cal, rms=0.058334Jy sigma=0.817694 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8176 x 2.541 at -12.43 degrees (North through East) ! Clean map min=-0.0026483 max=0.12185 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 KP 1.04 LA 1.01 ! MK 0.97 NL 0.92 OV 1.05 PT 0.96 ! SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 KP 1.07 LA 1.01 ! MK 1.04 NL 0.91 OV 0.99 PT 0.99 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 KP 1.06 LA 0.95 ! MK 1.04 NL 0.99 OV 1.04 PT 0.97 ! SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 KP 1.02 LA 1.06 ! MK 0.99 NL 0.94 OV 1.02 PT 0.97 ! SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 KP 1.06 LA 0.98 ! MK 1.03 NL 0.95 OV 1.00 PT 0.96 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 KP 1.01 LA 1.00 ! MK 1.00 NL 0.92 OV 1.05 PT 1.01 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 KP 1.07 LA 0.98 ! MK 1.03 NL 0.96 OV 1.03 PT 0.97 ! SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.96 KP 1.06 LA 0.99 ! MK 1.00 NL 0.95 OV 1.04 PT 0.98 ! SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 KP 1.06 LA 1.03 ! MK 1.03 NL 0.94 OV 1.00 PT 0.99 ! SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.05 KP 1.02 LA 0.99 ! MK 1.01 NL 0.92 OV 1.02 PT 1.01 ! SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 KP 0.98 LA 1.01 ! MK 0.97 NL 0.96 OV 1.01 PT 0.97 ! SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 KP 1.03 LA 1.02 ! MK 1.04 NL 0.88 OV 1.00 PT 1.00 ! SC 1.03 ! ! ! Fit before self-cal, rms=0.058334Jy sigma=0.817694 ! Fit after self-cal, rms=0.057931Jy sigma=0.812447 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8182 mas, bmaj=2.54 mas, bpa=-12.55 degrees ! Estimated noise=0.496218 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 = 0.00097371 Jy ! Component: 100 - total flux cleaned = 0.00114299 Jy ! Component: 150 - total flux cleaned = 0.00121881 Jy ! Component: 200 - total flux cleaned = 0.00120161 Jy ! Total flux subtracted in 200 components = 0.00120161 Jy ! Clean residual min=-0.001640 max=0.002045 Jy/beam ! Clean residual mean=-0.000001 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.127697 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 35 components and 0.127697 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=0.057911Jy sigma=0.812111 ! Fit after self-cal, rms=0.057905Jy sigma=0.812017 ! 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=0.057905Jy sigma=0.812017 ! Fit after self-cal, rms=0.058022Jy sigma=0.811946 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8181 mas, bmaj=2.535 mas, bpa=-12.56 degrees ! Estimated noise=0.497454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000642975 Jy ! Component: 100 - total flux cleaned = 0.000800819 Jy ! Component: 150 - total flux cleaned = 0.000847914 Jy ! Component: 200 - total flux cleaned = 0.000862639 Jy ! Total flux subtracted in 200 components = 0.000862639 Jy ! Clean residual min=-0.001657 max=0.001986 Jy/beam ! Clean residual mean=-0.000001 rms=0.000403 Jy/beam ! Combined flux in latest and established models = 0.12856 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 38 components and 0.12856 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=0.058010Jy sigma=0.811742 ! Fit after self-cal, rms=0.058008Jy sigma=0.811721 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 (-13.6, 42.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000741959 Jy ! Component: 100 - total flux cleaned = 0.000617154 Jy ! Component: 150 - total flux cleaned = 0.000584558 Jy ! Component: 200 - total flux cleaned = 0.000636451 Jy ! Total flux subtracted in 200 components = 0.000636451 Jy ! Clean residual min=-0.001454 max=0.001612 Jy/beam ! Clean residual mean=-0.000001 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.129196 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 51 components and 0.129196 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=0.057953Jy sigma=0.810691 ! Fit after self-cal, rms=0.057949Jy sigma=0.810643 ! Inverting map ! Added new window around map position (18, 20.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135791 Jy ! Component: 100 - total flux cleaned = 0.00133053 Jy ! Component: 150 - total flux cleaned = 0.00124793 Jy ! Component: 200 - total flux cleaned = 0.00114948 Jy ! Total flux subtracted in 200 components = 0.00114948 Jy ! Clean residual min=-0.001339 max=0.001393 Jy/beam ! Clean residual mean=-0.000001 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.130346 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 68 components and 0.130346 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=0.057908Jy sigma=0.809959 ! Fit after self-cal, rms=0.057901Jy sigma=0.809935 ! Inverting map ! Added new window around map position (-45.6, 9.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000637962 Jy ! Component: 100 - total flux cleaned = 0.000940143 Jy ! Component: 150 - total flux cleaned = 0.00105174 Jy ! Component: 200 - total flux cleaned = 0.00093363 Jy ! Total flux subtracted in 200 components = 0.00093363 Jy ! Clean residual min=-0.001216 max=0.001185 Jy/beam ! Clean residual mean=-0.000000 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.131279 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 88 components and 0.131279 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=0.057863Jy sigma=0.809307 ! Fit after self-cal, rms=0.057858Jy sigma=0.809282 ! 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=0.057858Jy sigma=0.809282 ! Fit after self-cal, rms=0.057927Jy sigma=0.809216 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8183 mas, bmaj=2.535 mas, bpa=-12.59 degrees ! Estimated noise=0.497717 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000144655 Jy ! Component: 100 - total flux cleaned = 0.000123681 Jy ! Component: 150 - total flux cleaned = 0.00016456 Jy ! Component: 200 - total flux cleaned = 0.000183286 Jy ! Total flux subtracted in 200 components = 0.000183286 Jy ! Clean residual min=-0.001167 max=0.001087 Jy/beam ! Clean residual mean=-0.000001 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.131462 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 99 components and 0.131462 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=0.057914Jy sigma=0.808992 ! Fit after self-cal, rms=0.057916Jy sigma=0.808988 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 = 1.88744e-05 Jy ! Component: 100 - total flux cleaned = 0.00010348 Jy ! Component: 150 - total flux cleaned = 0.000135366 Jy ! Component: 200 - total flux cleaned = 0.000150803 Jy ! Total flux subtracted in 200 components = 0.000150803 Jy ! Clean residual min=-0.001121 max=0.001026 Jy/beam ! Clean residual mean=-0.000001 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.131613 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 110 components and 0.131613 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=0.057908Jy sigma=0.808859 ! Fit after self-cal, rms=0.057907Jy sigma=0.808858 ! 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=0.057907Jy sigma=0.808858 ! Fit after self-cal, rms=0.057893Jy sigma=0.808848 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.306 mas, bmaj=3.096 mas, bpa=-1.412 degrees ! Estimated noise=0.629011 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.91082e-05 Jy ! Component: 100 - total flux cleaned = 0.000243342 Jy ! Component: 150 - total flux cleaned = 0.00034867 Jy ! Component: 200 - total flux cleaned = 0.000445664 Jy ! Total flux subtracted in 200 components = 0.000445664 Jy ! Clean residual min=-0.000872 max=0.000997 Jy/beam ! Clean residual mean=-0.000001 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.132059 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 130 components and 0.132059 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=0.057890Jy sigma=0.808827 ! Fit after self-cal, rms=0.057893Jy sigma=0.808826 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 = 0.000160502 Jy ! Component: 100 - total flux cleaned = 0.000217138 Jy ! Component: 150 - total flux cleaned = 0.000279037 Jy ! Component: 200 - total flux cleaned = 0.000320717 Jy ! Total flux subtracted in 200 components = 0.000320717 Jy ! Clean residual min=-0.000846 max=0.000980 Jy/beam ! Clean residual mean=-0.000001 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.13238 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 144 components and 0.13238 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=0.057892Jy sigma=0.808809 ! Fit after self-cal, rms=0.057892Jy sigma=0.808808 ! Inverting map ! Added new window around map position (51, 49). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000747818 Jy ! Component: 100 - total flux cleaned = 0.000894057 Jy ! Component: 150 - total flux cleaned = 0.00112934 Jy ! Component: 200 - total flux cleaned = 0.00132964 Jy ! Total flux subtracted in 200 components = 0.00132964 Jy ! Clean residual min=-0.000779 max=0.000876 Jy/beam ! Clean residual mean=-0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.133709 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 163 components and 0.133709 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=0.057880Jy sigma=0.808616 ! Fit after self-cal, rms=0.057880Jy sigma=0.808597 ! Inverting map ! Added new window around map position (48.6, -18.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000611094 Jy ! Component: 100 - total flux cleaned = 0.00080611 Jy ! Component: 150 - total flux cleaned = 0.000933227 Jy ! Component: 200 - total flux cleaned = 0.00103742 Jy ! Total flux subtracted in 200 components = 0.00103742 Jy ! Clean residual min=-0.000594 max=0.000714 Jy/beam ! Clean residual mean=-0.000001 rms=0.000164 Jy/beam ! Combined flux in latest and established models = 0.134747 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 181 components and 0.134747 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=0.057868Jy sigma=0.808442 ! Fit after self-cal, rms=0.057867Jy sigma=0.808433 ! 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=0.8182 mas, bmaj=2.535 mas, bpa=-12.6 degrees ! Estimated noise=0.497528 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8182 x 2.535 at -12.6 degrees (North through East) ! Clean map min=-0.0012421 max=0.12231 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=0.6119 mas, bmaj=2.344 mas, bpa=-13.44 degrees ! Estimated noise=1.02912 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0938948 Jy ! Component: 100 - total flux cleaned = 0.114637 Jy ! Component: 150 - total flux cleaned = 0.12148 Jy ! Component: 200 - total flux cleaned = 0.124153 Jy ! Total flux subtracted in 200 components = 0.124153 Jy ! Clean residual min=-0.003019 max=0.003318 Jy/beam ! Clean residual mean=-0.000001 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.124153 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.124153 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8182 mas, bmaj=2.535 mas, bpa=-12.6 degrees ! Estimated noise=0.497528 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 = 0.00316946 Jy ! Component: 100 - total flux cleaned = 0.00485928 Jy ! Component: 150 - total flux cleaned = 0.00538603 Jy ! Component: 200 - total flux cleaned = 0.00596685 Jy ! Total flux subtracted in 200 components = 0.00596685 Jy ! Clean residual min=-0.001622 max=0.001559 Jy/beam ! Clean residual mean=-0.000002 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.130119 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 48 components and 0.130119 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=2.306 mas, bmaj=3.096 mas, bpa=-1.412 degrees ! Estimated noise=0.629011 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.001213 Jy ! Component: 100 - total flux cleaned = 0.00206337 Jy ! Component: 150 - total flux cleaned = 0.00279533 Jy ! Component: 200 - total flux cleaned = 0.00327831 Jy ! Total flux subtracted in 200 components = 0.00327831 Jy ! Clean residual min=-0.001057 max=0.001035 Jy/beam ! Clean residual mean=-0.000002 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.133398 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 = 0.000403778 Jy ! Component: 100 - total flux cleaned = 0.000721129 Jy ! Component: 150 - total flux cleaned = 0.00101421 Jy ! Component: 200 - total flux cleaned = 0.00132813 Jy ! Total flux subtracted in 200 components = 0.00132813 Jy ! Clean residual min=-0.000830 max=0.000856 Jy/beam ! Clean residual mean=-0.000002 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.134726 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 106 components and 0.134726 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8182 mas, bmaj=2.535 mas, bpa=-12.6 degrees ! Estimated noise=0.497528 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000257601 Jy ! Component: 100 - total flux cleaned = 0.000180549 Jy ! Component: 150 - total flux cleaned = 7.47864e-05 Jy ! Component: 200 - total flux cleaned = 5.89313e-06 Jy ! Total flux subtracted in 200 components = 5.89313e-06 Jy ! Clean residual min=-0.001213 max=0.001059 Jy/beam ! Clean residual mean=-0.000001 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.134732 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 136 components and 0.134732 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=0.057906Jy sigma=0.809015 ! Fit after self-cal, rms=0.057905Jy sigma=0.808962 wmodel J1558+3323_X_map.mod ! Writing 136 model components to file: J1558+3323_X_map.mod wobs J1558+3323_X_uvs.fits ! Writing UV FITS file: J1558+3323_X_uvs.fits wwins J1558+3323_X_map.win ! wwins: Wrote 6 windows to J1558+3323_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 = -0.000278939 Jy ! Component: 100 - total flux cleaned = -0.000224236 Jy ! Component: 150 - total flux cleaned = -0.000241611 Jy ! Component: 200 - total flux cleaned = -0.000208421 Jy ! Component: 250 - total flux cleaned = -0.000208222 Jy ! Component: 300 - total flux cleaned = -0.000192492 Jy ! Component: 350 - total flux cleaned = -0.000222343 Jy ! Component: 400 - total flux cleaned = -0.000221979 Jy ! Component: 450 - total flux cleaned = -0.000221801 Jy ! Component: 500 - total flux cleaned = -0.000179617 Jy ! Component: 550 - total flux cleaned = -0.00017977 Jy ! Component: 600 - total flux cleaned = -0.000193095 Jy ! Component: 650 - total flux cleaned = -0.000153336 Jy ! Component: 700 - total flux cleaned = -0.000140423 Jy ! Component: 750 - total flux cleaned = -7.65756e-05 Jy ! Component: 800 - total flux cleaned = -5.16974e-05 Jy ! Component: 850 - total flux cleaned = -1.4802e-05 Jy ! Component: 900 - total flux cleaned = 2.13148e-05 Jy ! Component: 950 - total flux cleaned = 6.91017e-05 Jy ! Component: 1000 - total flux cleaned = 0.000127844 Jy ! Component: 1050 - total flux cleaned = 0.000162345 Jy ! Component: 1100 - total flux cleaned = 0.000208003 Jy ! Component: 1150 - total flux cleaned = 0.000253007 Jy ! Component: 1200 - total flux cleaned = 0.000286279 Jy ! Component: 1250 - total flux cleaned = 0.000319212 Jy ! Component: 1300 - total flux cleaned = 0.000394883 Jy ! Component: 1350 - total flux cleaned = 0.000426849 Jy ! Component: 1400 - total flux cleaned = 0.000468949 Jy ! Component: 1450 - total flux cleaned = 0.000520812 Jy ! Component: 1500 - total flux cleaned = 0.00054119 Jy ! Component: 1550 - total flux cleaned = 0.000571521 Jy ! Component: 1600 - total flux cleaned = 0.00060159 Jy ! Component: 1650 - total flux cleaned = 0.000611564 Jy ! Component: 1700 - total flux cleaned = 0.000660751 Jy ! Component: 1750 - total flux cleaned = 0.000670514 Jy ! Component: 1800 - total flux cleaned = 0.000718626 Jy ! Component: 1850 - total flux cleaned = 0.000718623 Jy ! Component: 1900 - total flux cleaned = 0.000756523 Jy ! Component: 1950 - total flux cleaned = 0.000765978 Jy ! Component: 2000 - total flux cleaned = 0.000812315 Jy ! Component: 2050 - total flux cleaned = 0.000839658 Jy ! Component: 2100 - total flux cleaned = 0.000866843 Jy ! Component: 2150 - total flux cleaned = 0.000911731 Jy ! Component: 2200 - total flux cleaned = 0.000956191 Jy ! Component: 2250 - total flux cleaned = 0.0010002 Jy ! Component: 2300 - total flux cleaned = 0.0010439 Jy ! Component: 2350 - total flux cleaned = 0.00105255 Jy ! Component: 2400 - total flux cleaned = 0.00105254 Jy ! Component: 2450 - total flux cleaned = 0.00107804 Jy ! Component: 2500 - total flux cleaned = 0.00106958 Jy ! Component: 2550 - total flux cleaned = 0.00108631 Jy ! Component: 2600 - total flux cleaned = 0.00106967 Jy ! Component: 2650 - total flux cleaned = 0.00109437 Jy ! Component: 2700 - total flux cleaned = 0.00110269 Jy ! Component: 2750 - total flux cleaned = 0.00110271 Jy ! Component: 2800 - total flux cleaned = 0.00111879 Jy ! Component: 2850 - total flux cleaned = 0.00114275 Jy ! Component: 2900 - total flux cleaned = 0.00115863 Jy ! Component: 2950 - total flux cleaned = 0.00111929 Jy ! Component: 3000 - total flux cleaned = 0.00114287 Jy ! Component: 3050 - total flux cleaned = 0.00114287 Jy ! Component: 3100 - total flux cleaned = 0.00114293 Jy ! Component: 3150 - total flux cleaned = 0.00115829 Jy ! Component: 3200 - total flux cleaned = 0.00118875 Jy ! Component: 3250 - total flux cleaned = 0.00123415 Jy ! Component: 3300 - total flux cleaned = 0.00121155 Jy ! Component: 3350 - total flux cleaned = 0.0012639 Jy ! Component: 3400 - total flux cleaned = 0.00130108 Jy ! Component: 3450 - total flux cleaned = 0.00132326 Jy ! Component: 3500 - total flux cleaned = 0.00135265 Jy ! Component: 3550 - total flux cleaned = 0.0013819 Jy ! Component: 3600 - total flux cleaned = 0.00139648 Jy ! Component: 3650 - total flux cleaned = 0.0014398 Jy ! Component: 3700 - total flux cleaned = 0.00148293 Jy ! Component: 3750 - total flux cleaned = 0.00151146 Jy ! Component: 3800 - total flux cleaned = 0.00154696 Jy ! Component: 3850 - total flux cleaned = 0.00158227 Jy ! Component: 3900 - total flux cleaned = 0.00161742 Jy ! Component: 3950 - total flux cleaned = 0.00162442 Jy ! Component: 4000 - total flux cleaned = 0.00162444 Jy ! Component: 4050 - total flux cleaned = 0.00165912 Jy ! Total flux subtracted in 4096 components = 0.00167289 Jy ! Clean residual min=-0.000442 max=0.000490 Jy/beam ! Clean residual mean=-0.000001 rms=0.000115 Jy/beam ! Combined flux in latest and established models = 0.136405 Jy keep ! Adding 254 model components to the UV plane model. ! The established model now contains 388 components and 0.136405 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1558+3323_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8182 x 2.535 at -12.6 degrees (North through East) ! Clean map min=-0.00092658 max=0.12211 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1558+3323_X_map.fits wmodel /vlbi/bp222/maps//J1558+3323_X_map.mod ! Writing 388 model components to file: /vlbi/bp222/maps//J1558+3323_X_map.mod wobs /vlbi/bp222/maps//J1558+3323_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1558+3323_X_uvs.fits wwins /vlbi/bp222/maps//J1558+3323_X_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J1558+3323_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.122113 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000114278 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.280753 0.280753 0.561506 1.12301 2.24602 4.49205 8.9841 17.9682 35.9364 71.8728 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.122 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1068.55 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1558+3323_X_dfm.log closed on Thu Sep 27 11:21:57 2018