! Started logfile: /vlbi/bp222/maps//J1728+0427_X_dfm.log on Thu Sep 27 11:26:58 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//J1728+0427_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1728+0427_X_uvm.fits ! AN table 1: 14 integrations on 36 of 36 possible baselines. ! AN table 2: 14 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.963294 visibilities/baseline/integration-bin. ! Found source: J1728+0427 ! ! 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 11652 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 J1728+0427_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 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.038375Jy sigma=15.423892 ! Fit after self-cal, rms=0.740453Jy sigma=10.663869 ! 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=0.6428 mas, bmaj=1.738 mas, bpa=-0.7468 degrees ! Estimated noise=0.775595 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 = 0.189664 Jy ! Component: 100 - total flux cleaned = 0.246614 Jy ! Total flux subtracted in 100 components = 0.246614 Jy ! Clean residual min=-0.022755 max=0.049554 Jy/beam ! Clean residual mean=-0.000004 rms=0.006185 Jy/beam ! Combined flux in latest and established models = 0.246614 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.246614 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=0.113646Jy sigma=1.722352 ! Fit after self-cal, rms=0.113626Jy sigma=1.720426 ! Inverting map ! Added new window around map position (1.2, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0463585 Jy ! Component: 100 - total flux cleaned = 0.0750779 Jy ! Total flux subtracted in 100 components = 0.0750779 Jy ! Clean residual min=-0.017375 max=0.019803 Jy/beam ! Clean residual mean=-0.000001 rms=0.003803 Jy/beam ! Combined flux in latest and established models = 0.321692 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.321692 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=0.086982Jy sigma=1.246907 ! Fit after self-cal, rms=0.084954Jy sigma=1.222851 ! 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=0.8086 mas, bmaj=2.001 mas, bpa=0.4226 degrees ! Estimated noise=0.456401 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 = 0.0305157 Jy ! Component: 100 - total flux cleaned = 0.0464963 Jy ! Component: 150 - total flux cleaned = 0.0525238 Jy ! Component: 200 - total flux cleaned = 0.0548263 Jy ! Total flux subtracted in 200 components = 0.0548263 Jy ! Clean residual min=-0.008459 max=0.014801 Jy/beam ! Clean residual mean=0.000003 rms=0.002593 Jy/beam ! Combined flux in latest and established models = 0.376518 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 21 components and 0.376518 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=0.075368Jy sigma=1.019621 ! Fit after self-cal, rms=0.074716Jy sigma=1.011514 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8086 x 2.001 at 0.4226 degrees (North through East) ! Clean map min=-0.0069318 max=0.26599 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 HN 1.14 KP 0.92 LA 0.97 ! MK 1.01 NL 0.96 OV 0.99 PT 0.96 ! SC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.99 KP 1.01 LA 1.44 ! MK 1.01 NL 0.94 OV 0.99 PT 1.00 ! SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 1.08 KP 0.92 LA 0.96 ! MK 1.02 NL 0.97 OV 0.97 PT 0.98 ! SC 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 KP 1.02 LA 1.40 ! MK 1.08 NL 0.91 OV 0.98 PT 0.99 ! SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 1.10 KP 0.92 LA 0.96 ! MK 1.03 NL 0.97 OV 0.95 PT 0.98 ! SC 1.13 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.98 KP 0.99 LA 1.39 ! MK 1.04 NL 0.92 OV 0.99 PT 1.01 ! SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 1.14 KP 0.95 LA 0.96 ! MK 1.01 NL 0.95 OV 0.93 PT 0.96 ! SC 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.97 KP 1.00 LA 1.37 ! MK 1.06 NL 0.96 OV 0.99 PT 0.99 ! SC 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 1.08 KP 0.93 LA 0.95 ! MK 0.98 NL 0.97 OV 0.94 PT 0.99 ! SC 1.17 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.98 KP 0.99 LA 1.39 ! MK 1.07 NL 0.94 OV 0.96 PT 1.01 ! SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 1.12 KP 0.92 LA 0.96 ! MK 0.96 NL 0.98 OV 0.95 PT 0.97 ! SC 1.14 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.97 KP 0.99 LA 1.41 ! MK 0.99 NL 0.95 OV 0.97 PT 1.00 ! SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 1.08 KP 0.94 LA 0.95 ! MK 0.97 NL 0.97 OV 0.95 PT 1.01 ! SC 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.96 KP 1.01 LA 1.49 ! MK 1.04 NL 0.95 OV 0.97 PT 0.98 ! SC 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 1.07 KP 0.92 LA 0.95 ! MK 1.01 NL 1.00 OV 0.96 PT 0.97 ! SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.96 KP 0.98 LA 1.49 ! MK 1.05 NL 0.96 OV 0.96 PT 1.01 ! SC 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 HN 1.08 KP 0.91 LA 0.95 ! MK 1.02 NL 0.97 OV 0.95 PT 1.00 ! SC 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.95 KP 1.01 LA 1.48 ! MK 1.02 NL 0.95 OV 0.94 PT 1.01 ! SC 0.88 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 1.02 KP 0.92 LA 0.95 ! MK 0.97 NL 0.96 OV 0.95 PT 0.97 ! SC 1.14 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.97 KP 1.00 LA 1.45 ! MK 1.01 NL 0.92 OV 0.96 PT 1.02 ! SC 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 1.19 KP 0.91 LA 0.95 ! MK 0.93 NL 0.98 OV 0.93 PT 0.97 ! SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 KP 1.00 LA 1.38 ! MK 0.96 NL 0.89 OV 0.96 PT 1.03 ! SC 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 1.09 KP 0.90 LA 0.94 ! MK 0.92 NL 0.99 OV 0.92 PT 0.98 ! SC 1.13 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.94 KP 0.99 LA 1.46 ! MK 0.97 NL 0.91 OV 0.99 PT 1.02 ! SC 0.93 ! ! ! Fit before self-cal, rms=0.074716Jy sigma=1.011514 ! Fit after self-cal, rms=0.068165Jy sigma=0.848119 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8148 mas, bmaj=2.001 mas, bpa=0.3579 degrees ! Estimated noise=0.44926 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 = 0.00603263 Jy ! Component: 100 - total flux cleaned = 0.00579956 Jy ! Component: 150 - total flux cleaned = 0.00550015 Jy ! Component: 200 - total flux cleaned = 0.00525257 Jy ! Total flux subtracted in 200 components = 0.00525257 Jy ! Clean residual min=-0.003699 max=0.004913 Jy/beam ! Clean residual mean=0.000000 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 0.38177 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.38177 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=0.067474Jy sigma=0.837074 ! Fit after self-cal, rms=0.067526Jy sigma=0.835432 ! 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=0.067526Jy sigma=0.835432 ! Fit after self-cal, rms=0.067366Jy sigma=0.834695 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8137 mas, bmaj=1.999 mas, bpa=0.2142 degrees ! Estimated noise=0.44915 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00291867 Jy ! Component: 100 - total flux cleaned = 0.00306796 Jy ! Component: 150 - total flux cleaned = 0.00290258 Jy ! Component: 200 - total flux cleaned = 0.00275761 Jy ! Total flux subtracted in 200 components = 0.00275761 Jy ! Clean residual min=-0.003308 max=0.003949 Jy/beam ! Clean residual mean=0.000000 rms=0.000838 Jy/beam ! Combined flux in latest and established models = 0.384528 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 37 components and 0.384528 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=0.067152Jy sigma=0.831990 ! Fit after self-cal, rms=0.067093Jy sigma=0.831353 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 (47.4, -3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00367828 Jy ! Component: 100 - total flux cleaned = 0.00564959 Jy ! Component: 150 - total flux cleaned = 0.00710277 Jy ! Component: 200 - total flux cleaned = 0.00781163 Jy ! Total flux subtracted in 200 components = 0.00781163 Jy ! Clean residual min=-0.002830 max=0.002697 Jy/beam ! Clean residual mean=0.000000 rms=0.000650 Jy/beam ! Combined flux in latest and established models = 0.39234 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 57 components and 0.39234 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=0.066840Jy sigma=0.827551 ! Fit after self-cal, rms=0.066808Jy sigma=0.827211 ! 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=0.066808Jy sigma=0.827211 ! Fit after self-cal, rms=0.066702Jy sigma=0.826831 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8133 mas, bmaj=1.999 mas, bpa=0.1099 degrees ! Estimated noise=0.449326 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179872 Jy ! Component: 100 - total flux cleaned = 0.00247672 Jy ! Component: 150 - total flux cleaned = 0.0028827 Jy ! Component: 200 - total flux cleaned = 0.00306258 Jy ! Total flux subtracted in 200 components = 0.00306258 Jy ! Clean residual min=-0.002677 max=0.002358 Jy/beam ! Clean residual mean=-0.000000 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.395402 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 0.395402 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=0.066616Jy sigma=0.825839 ! Fit after self-cal, rms=0.066591Jy sigma=0.825644 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 = 0.00033286 Jy ! Component: 100 - total flux cleaned = 0.000406748 Jy ! Component: 150 - total flux cleaned = 0.000439822 Jy ! Component: 200 - total flux cleaned = 0.000566575 Jy ! Total flux subtracted in 200 components = 0.000566575 Jy ! Clean residual min=-0.002552 max=0.002263 Jy/beam ! Clean residual mean=-0.000000 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 0.395969 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 68 components and 0.395969 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=0.066544Jy sigma=0.825096 ! Fit after self-cal, rms=0.066526Jy sigma=0.824993 ! 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=0.066526Jy sigma=0.824993 ! Fit after self-cal, rms=0.066473Jy sigma=0.824897 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.18 mas, bmaj=3.256 mas, bpa=-4.171 degrees ! Estimated noise=0.574967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146598 Jy ! Component: 100 - total flux cleaned = 0.00226316 Jy ! Component: 150 - total flux cleaned = 0.00266171 Jy ! Component: 200 - total flux cleaned = 0.00291573 Jy ! Total flux subtracted in 200 components = 0.00291573 Jy ! Clean residual min=-0.002723 max=0.002569 Jy/beam ! Clean residual mean=-0.000001 rms=0.000736 Jy/beam ! Combined flux in latest and established models = 0.398885 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 87 components and 0.398885 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=0.066443Jy sigma=0.824678 ! Fit after self-cal, rms=0.066431Jy sigma=0.824570 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 = 0.00013652 Jy ! Component: 100 - total flux cleaned = 0.000271017 Jy ! Component: 150 - total flux cleaned = 0.00036188 Jy ! Component: 200 - total flux cleaned = 0.000455108 Jy ! Total flux subtracted in 200 components = 0.000455108 Jy ! Clean residual min=-0.002681 max=0.002530 Jy/beam ! Clean residual mean=-0.000001 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.39934 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 89 components and 0.39934 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=0.066415Jy sigma=0.824458 ! Fit after self-cal, rms=0.066401Jy sigma=0.824369 ! 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=0.8129 mas, bmaj=1.999 mas, bpa=0.07332 degrees ! Estimated noise=0.449465 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8129 x 1.999 at 0.07332 degrees (North through East) ! Clean map min=-0.0022907 max=0.26103 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=0.6461 mas, bmaj=1.74 mas, bpa=-0.978 degrees ! Estimated noise=0.764186 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.186834 Jy ! Component: 100 - total flux cleaned = 0.251735 Jy ! Component: 150 - total flux cleaned = 0.29296 Jy ! Component: 200 - total flux cleaned = 0.320391 Jy ! Total flux subtracted in 200 components = 0.320391 Jy ! Clean residual min=-0.009688 max=0.015746 Jy/beam ! Clean residual mean=-0.000002 rms=0.002670 Jy/beam ! Combined flux in latest and established models = 0.320391 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.320391 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8129 mas, bmaj=1.999 mas, bpa=0.07332 degrees ! Estimated noise=0.449465 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) ! Added new window around map position (0.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0285911 Jy ! Component: 100 - total flux cleaned = 0.0443837 Jy ! Component: 150 - total flux cleaned = 0.0537379 Jy ! Component: 200 - total flux cleaned = 0.0596526 Jy ! Total flux subtracted in 200 components = 0.0596526 Jy ! Clean residual min=-0.003389 max=0.004983 Jy/beam ! Clean residual mean=-0.000000 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 0.380043 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 32 components and 0.380043 Jy ! Inverting map ! Added new window around map position (10, -10.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00492631 Jy ! Component: 100 - total flux cleaned = 0.00811058 Jy ! Component: 150 - total flux cleaned = 0.00966162 Jy ! Component: 200 - total flux cleaned = 0.0109864 Jy ! Total flux subtracted in 200 components = 0.0109864 Jy ! Clean residual min=-0.002531 max=0.002730 Jy/beam ! Clean residual mean=-0.000000 rms=0.000632 Jy/beam ! Combined flux in latest and established models = 0.39103 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 58 components and 0.39103 Jy ! Inverting map ! Added new window around map position (-0.8, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00055446 Jy ! Component: 100 - total flux cleaned = 0.00121414 Jy ! Component: 150 - total flux cleaned = 0.00178618 Jy ! Component: 200 - total flux cleaned = 0.00223539 Jy ! Total flux subtracted in 200 components = 0.00223539 Jy ! Clean residual min=-0.002215 max=0.002169 Jy/beam ! Clean residual mean=-0.000000 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.393265 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 76 components and 0.393265 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=2.18 mas, bmaj=3.256 mas, bpa=-4.171 degrees ! Estimated noise=0.574967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00188726 Jy ! Component: 100 - total flux cleaned = 0.00306419 Jy ! Component: 150 - total flux cleaned = 0.00365787 Jy ! Component: 200 - total flux cleaned = 0.00397682 Jy ! Total flux subtracted in 200 components = 0.00397682 Jy ! Clean residual min=-0.002474 max=0.002913 Jy/beam ! Clean residual mean=-0.000001 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.397242 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 = 0.000200834 Jy ! Component: 100 - total flux cleaned = 0.000330456 Jy ! Component: 150 - total flux cleaned = 0.000450412 Jy ! Component: 200 - total flux cleaned = 0.000562736 Jy ! Total flux subtracted in 200 components = 0.000562736 Jy ! Clean residual min=-0.002452 max=0.002834 Jy/beam ! Clean residual mean=-0.000001 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.397805 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 113 components and 0.397805 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8129 mas, bmaj=1.999 mas, bpa=0.07332 degrees ! Estimated noise=0.449465 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000462347 Jy ! Component: 100 - total flux cleaned = -0.000510682 Jy ! Component: 150 - total flux cleaned = -0.000434429 Jy ! Component: 200 - total flux cleaned = -0.000398487 Jy ! Total flux subtracted in 200 components = -0.000398487 Jy ! Clean residual min=-0.001991 max=0.001790 Jy/beam ! Clean residual mean=-0.000000 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.397406 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 128 components and 0.397406 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=0.066203Jy sigma=0.822263 ! Fit after self-cal, rms=0.066193Jy sigma=0.822074 wmodel J1728+0427_X_map.mod ! Writing 128 model components to file: J1728+0427_X_map.mod wobs J1728+0427_X_uvs.fits ! Writing UV FITS file: J1728+0427_X_uvs.fits wwins J1728+0427_X_map.win ! wwins: Wrote 6 windows to J1728+0427_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 = -0.000642468 Jy ! Component: 100 - total flux cleaned = -0.00105723 Jy ! Component: 150 - total flux cleaned = -0.00117654 Jy ! Component: 200 - total flux cleaned = -0.00120681 Jy ! Component: 250 - total flux cleaned = -0.0012337 Jy ! Component: 300 - total flux cleaned = -0.00120879 Jy ! Component: 350 - total flux cleaned = -0.00125822 Jy ! Component: 400 - total flux cleaned = -0.00125768 Jy ! Component: 450 - total flux cleaned = -0.00130305 Jy ! Component: 500 - total flux cleaned = -0.00132563 Jy ! Component: 550 - total flux cleaned = -0.00143329 Jy ! Component: 600 - total flux cleaned = -0.0014965 Jy ! Component: 650 - total flux cleaned = -0.0015991 Jy ! Component: 700 - total flux cleaned = -0.00169912 Jy ! Component: 750 - total flux cleaned = -0.00177703 Jy ! Component: 800 - total flux cleaned = -0.00185307 Jy ! Component: 850 - total flux cleaned = -0.00187171 Jy ! Component: 900 - total flux cleaned = -0.00189023 Jy ! Component: 950 - total flux cleaned = -0.0019262 Jy ! Component: 1000 - total flux cleaned = -0.00196113 Jy ! Component: 1050 - total flux cleaned = -0.00190945 Jy ! Component: 1100 - total flux cleaned = -0.00194359 Jy ! Component: 1150 - total flux cleaned = -0.00190996 Jy ! Component: 1200 - total flux cleaned = -0.00194291 Jy ! Component: 1250 - total flux cleaned = -0.00199138 Jy ! Component: 1300 - total flux cleaned = -0.00195958 Jy ! Component: 1350 - total flux cleaned = -0.0019597 Jy ! Component: 1400 - total flux cleaned = -0.00200614 Jy ! Component: 1450 - total flux cleaned = -0.00203674 Jy ! Component: 1500 - total flux cleaned = -0.00203661 Jy ! Component: 1550 - total flux cleaned = -0.00199239 Jy ! Component: 1600 - total flux cleaned = -0.00202229 Jy ! Component: 1650 - total flux cleaned = -0.00206593 Jy ! Component: 1700 - total flux cleaned = -0.00208023 Jy ! Component: 1750 - total flux cleaned = -0.002066 Jy ! Component: 1800 - total flux cleaned = -0.00208007 Jy ! Component: 1850 - total flux cleaned = -0.00208003 Jy ! Component: 1900 - total flux cleaned = -0.00209357 Jy ! Component: 1950 - total flux cleaned = -0.00209372 Jy ! Component: 2000 - total flux cleaned = -0.00208043 Jy ! Component: 2050 - total flux cleaned = -0.00210679 Jy ! Component: 2100 - total flux cleaned = -0.00211976 Jy ! Component: 2150 - total flux cleaned = -0.00215838 Jy ! Component: 2200 - total flux cleaned = -0.00215813 Jy ! Component: 2250 - total flux cleaned = -0.00214545 Jy ! Component: 2300 - total flux cleaned = -0.00219538 Jy ! Component: 2350 - total flux cleaned = -0.00225722 Jy ! Component: 2400 - total flux cleaned = -0.00228167 Jy ! Component: 2450 - total flux cleaned = -0.00229372 Jy ! Component: 2500 - total flux cleaned = -0.00230587 Jy ! Component: 2550 - total flux cleaned = -0.0023416 Jy ! Component: 2600 - total flux cleaned = -0.00237697 Jy ! Component: 2650 - total flux cleaned = -0.0023886 Jy ! Component: 2700 - total flux cleaned = -0.00237706 Jy ! Component: 2750 - total flux cleaned = -0.00239993 Jy ! Component: 2800 - total flux cleaned = -0.0024113 Jy ! Component: 2850 - total flux cleaned = -0.00238892 Jy ! Component: 2900 - total flux cleaned = -0.002389 Jy ! Component: 2950 - total flux cleaned = -0.00240022 Jy ! Component: 3000 - total flux cleaned = -0.00241125 Jy ! Component: 3050 - total flux cleaned = -0.00241122 Jy ! Component: 3100 - total flux cleaned = -0.00240048 Jy ! Component: 3150 - total flux cleaned = -0.00238976 Jy ! Component: 3200 - total flux cleaned = -0.002411 Jy ! Component: 3250 - total flux cleaned = -0.00240042 Jy ! Component: 3300 - total flux cleaned = -0.00239005 Jy ! Component: 3350 - total flux cleaned = -0.00237967 Jy ! Component: 3400 - total flux cleaned = -0.00238982 Jy ! Component: 3450 - total flux cleaned = -0.00237969 Jy ! Component: 3500 - total flux cleaned = -0.00237963 Jy ! Component: 3550 - total flux cleaned = -0.00233968 Jy ! Component: 3600 - total flux cleaned = -0.00234972 Jy ! Component: 3650 - total flux cleaned = -0.00235954 Jy ! Component: 3700 - total flux cleaned = -0.0023302 Jy ! Component: 3750 - total flux cleaned = -0.00230107 Jy ! Component: 3800 - total flux cleaned = -0.00229135 Jy ! Component: 3850 - total flux cleaned = -0.00230088 Jy ! Component: 3900 - total flux cleaned = -0.00230089 Jy ! Component: 3950 - total flux cleaned = -0.00227251 Jy ! Component: 4000 - total flux cleaned = -0.00221629 Jy ! Component: 4050 - total flux cleaned = -0.00220705 Jy ! Total flux subtracted in 4096 components = -0.00220708 Jy ! Clean residual min=-0.000532 max=0.000505 Jy/beam ! Clean residual mean=-0.000001 rms=0.000158 Jy/beam ! Combined flux in latest and established models = 0.395199 Jy keep ! Adding 244 model components to the UV plane model. ! The established model now contains 372 components and 0.395199 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1728+0427_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8129 x 1.999 at 0.07332 degrees (North through East) ! Clean map min=-0.0016306 max=0.25848 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1728+0427_X_map.fits wmodel /vlbi/bp222/maps//J1728+0427_X_map.mod ! Writing 372 model components to file: /vlbi/bp222/maps//J1728+0427_X_map.mod wobs /vlbi/bp222/maps//J1728+0427_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1728+0427_X_uvs.fits wwins /vlbi/bp222/maps//J1728+0427_X_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J1728+0427_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.258483 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000156369 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.181484 0.181484 0.362969 0.725938 1.45188 2.90375 5.8075 11.615 23.23 46.46 92.92 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.258 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1653.03 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1728+0427_X_dfm.log closed on Thu Sep 27 11:27:03 2018