! Started logfile: /vlbi/uf001/uva//J1720-2258_X_dfm.log on Mon Jan 14 04:08:04 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//J1720-2258_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1720-2258_X_uva.fits ! AN table 1: 38 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1720-2258 ! ! 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 20520 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 J1720-2258_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=1.003590Jy sigma=22.674006 ! Fit after self-cal, rms=0.952361Jy sigma=21.470620 ! 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=0.6257 mas, bmaj=1.644 mas, bpa=-4.508 degrees ! Estimated noise=0.449923 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 = 0.0343445 Jy ! Component: 100 - total flux cleaned = 0.0454451 Jy ! Total flux subtracted in 100 components = 0.0454451 Jy ! Clean residual min=-0.003326 max=0.005219 Jy/beam ! Clean residual mean=0.000003 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.0454451 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0454451 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=0.064512Jy sigma=1.353327 ! Fit after self-cal, rms=0.063292Jy sigma=1.324593 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00721618 Jy ! Component: 100 - total flux cleaned = 0.0109724 Jy ! Total flux subtracted in 100 components = 0.0109724 Jy ! Clean residual min=-0.002905 max=0.003370 Jy/beam ! Clean residual mean=0.000002 rms=0.000733 Jy/beam ! Combined flux in latest and established models = 0.0564175 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 0.0564175 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=0.062076Jy sigma=1.290839 ! Fit after self-cal, rms=0.062063Jy sigma=1.290319 ! 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=0.8173 mas, bmaj=2.039 mas, bpa=-4.519 degrees ! Estimated noise=0.233413 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 (-0.2, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00470739 Jy ! Component: 100 - total flux cleaned = 0.00731646 Jy ! Component: 150 - total flux cleaned = 0.00913699 Jy ! Component: 200 - total flux cleaned = 0.0104218 Jy ! Total flux subtracted in 200 components = 0.0104218 Jy ! Clean residual min=-0.001925 max=0.002804 Jy/beam ! Clean residual mean=0.000002 rms=0.000540 Jy/beam ! Combined flux in latest and established models = 0.0668393 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 31 components and 0.0668393 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=0.061744Jy sigma=1.279857 ! Fit after self-cal, rms=0.061729Jy sigma=1.279298 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8173 x 2.039 at -4.519 degrees (North through East) ! Clean map min=-0.0017818 max=0.049508 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.99 KP 1.06 ! LA 0.94 MK 1.06 NL 1.19 OV 0.85 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 0.98 KP 0.97 ! LA 0.98 MK 1.01 NL 1.33 OV 0.84 ! PT 0.93 SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 1.05 KP 1.01 ! LA 0.95 MK 1.02 NL 1.24 OV 0.93 ! PT 0.88 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 0.96 KP 1.04 ! LA 0.91 MK 1.04 NL 1.11 OV 0.91 ! PT 0.96 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 HN 1.09 KP 0.96 ! LA 0.96 MK 1.05 NL 1.18 OV 0.85 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 1.08 KP 1.05 ! LA 0.98 MK 1.00 NL 1.23 OV 0.98 ! PT 0.90 SC 0.90 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.06 HN 0.95 KP 1.14 ! LA 0.97 MK 1.08 NL 1.13 OV 0.84 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.99 KP 1.09 ! LA 0.95 MK 0.93 NL 1.19 OV 0.89 ! PT 0.91 SC 0.92 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.96 HN 0.93 KP 1.01 ! LA 0.99 MK 0.90 NL 1.27 OV 0.83 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 0.91 KP 1.00 ! LA 1.00 MK 0.99 NL 1.18 OV 0.82 ! PT 0.96 SC 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.95 HN 0.97 KP 0.97 ! LA 0.97 MK 0.99 NL 1.28 OV 0.93 ! PT 0.97 SC 0.87 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 0.90 KP 0.98 ! LA 0.97 MK 1.00 NL 1.20 OV 0.95 ! PT 0.88 SC 1.08 ! ! ! Fit before self-cal, rms=0.061729Jy sigma=1.279298 ! Fit after self-cal, rms=0.060995Jy sigma=1.268947 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.816 mas, bmaj=2.042 mas, bpa=-3.887 degrees ! Estimated noise=0.229745 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 = -0.000319914 Jy ! Component: 100 - total flux cleaned = -0.000413602 Jy ! Component: 150 - total flux cleaned = -0.000571251 Jy ! Component: 200 - total flux cleaned = -0.00070321 Jy ! Total flux subtracted in 200 components = -0.00070321 Jy ! Clean residual min=-0.001365 max=0.001476 Jy/beam ! Clean residual mean=-0.000001 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.0661361 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 45 components and 0.0661361 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=0.060964Jy sigma=1.268281 ! Fit after self-cal, rms=0.061075Jy sigma=1.267423 ! 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=0.061075Jy sigma=1.267423 ! Fit after self-cal, rms=0.062622Jy sigma=1.262941 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.814 mas, bmaj=2.027 mas, bpa=-4.286 degrees ! Estimated noise=0.229361 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000194166 Jy ! Component: 100 - total flux cleaned = 9.88531e-05 Jy ! Component: 150 - total flux cleaned = 1.99385e-05 Jy ! Component: 200 - total flux cleaned = -6.0831e-05 Jy ! Total flux subtracted in 200 components = -6.0831e-05 Jy ! Clean residual min=-0.001255 max=0.001173 Jy/beam ! Clean residual mean=-0.000001 rms=0.000278 Jy/beam ! Combined flux in latest and established models = 0.0660752 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 55 components and 0.0660753 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=0.062612Jy sigma=1.262687 ! Fit after self-cal, rms=0.062681Jy sigma=1.262477 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 = 1.72138e-05 Jy ! Component: 100 - total flux cleaned = -6.00346e-05 Jy ! Component: 150 - total flux cleaned = -0.000127017 Jy ! Component: 200 - total flux cleaned = -0.000177659 Jy ! Total flux subtracted in 200 components = -0.000177659 Jy ! Clean residual min=-0.001274 max=0.001177 Jy/beam ! Clean residual mean=-0.000001 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.0658976 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.0658976 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=0.062677Jy sigma=1.262370 ! Fit after self-cal, rms=0.062676Jy sigma=1.262357 ! 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=0.062676Jy sigma=1.262357 ! Fit after self-cal, rms=0.063395Jy sigma=1.262061 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8113 mas, bmaj=2.014 mas, bpa=-4.533 degrees ! Estimated noise=0.228255 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.83563e-06 Jy ! Component: 100 - total flux cleaned = -5.68643e-05 Jy ! Component: 150 - total flux cleaned = -0.00012091 Jy ! Component: 200 - total flux cleaned = -0.000166443 Jy ! Total flux subtracted in 200 components = -0.000166443 Jy ! Clean residual min=-0.001203 max=0.001199 Jy/beam ! Clean residual mean=-0.000001 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.0657312 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 66 components and 0.0657311 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=0.063390Jy sigma=1.261954 ! Fit after self-cal, rms=0.063412Jy sigma=1.261915 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 (14.6, -23.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103715 Jy ! Component: 100 - total flux cleaned = 0.00125612 Jy ! Component: 150 - total flux cleaned = 0.00138217 Jy ! Component: 200 - total flux cleaned = 0.00146394 Jy ! Total flux subtracted in 200 components = 0.00146394 Jy ! Clean residual min=-0.001129 max=0.001174 Jy/beam ! Clean residual mean=-0.000000 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.0671951 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 80 components and 0.0671951 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=0.063391Jy sigma=1.261433 ! Fit after self-cal, rms=0.063392Jy sigma=1.261369 ! Inverting map ! Added new window around map position (5.8, 21.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00100814 Jy ! Component: 100 - total flux cleaned = 0.00131315 Jy ! Component: 150 - total flux cleaned = 0.00156057 Jy ! Component: 200 - total flux cleaned = 0.00166986 Jy ! Total flux subtracted in 200 components = 0.00166986 Jy ! Clean residual min=-0.001129 max=0.000984 Jy/beam ! Clean residual mean=-0.000000 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.068865 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 96 components and 0.0688649 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=0.063365Jy sigma=1.260885 ! Fit after self-cal, rms=0.063364Jy sigma=1.260826 ! 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=0.063364Jy sigma=1.260826 ! Fit after self-cal, rms=0.063461Jy sigma=1.260755 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.23 mas, bmaj=4.886 mas, bpa=0.7486 degrees ! Estimated noise=0.294032 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000457497 Jy ! Component: 100 - total flux cleaned = 0.00061574 Jy ! Component: 150 - total flux cleaned = 0.000669783 Jy ! Component: 200 - total flux cleaned = 0.000693686 Jy ! Total flux subtracted in 200 components = 0.000693686 Jy ! Clean residual min=-0.001145 max=0.001195 Jy/beam ! Clean residual mean=-0.000001 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.0695586 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 104 components and 0.0695586 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=0.063461Jy sigma=1.260736 ! Fit after self-cal, rms=0.063471Jy sigma=1.260718 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 = 9.7017e-05 Jy ! Component: 100 - total flux cleaned = 0.000104501 Jy ! Component: 150 - total flux cleaned = 0.000111586 Jy ! Component: 200 - total flux cleaned = 0.000111634 Jy ! Total flux subtracted in 200 components = 0.000111634 Jy ! Clean residual min=-0.001148 max=0.001156 Jy/beam ! Clean residual mean=-0.000001 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0696703 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 109 components and 0.0696703 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=0.063470Jy sigma=1.260711 ! Fit after self-cal, rms=0.063470Jy sigma=1.260707 ! 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=0.8106 mas, bmaj=2.009 mas, bpa=-4.576 degrees ! Estimated noise=0.22738 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8106 x 2.009 at -4.576 degrees (North through East) ! Clean map min=-0.0010015 max=0.048869 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=0.6188 mas, bmaj=1.616 mas, bpa=-4.623 degrees ! Estimated noise=0.436778 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0346368 Jy ! Component: 100 - total flux cleaned = 0.047669 Jy ! Component: 150 - total flux cleaned = 0.0542422 Jy ! Component: 200 - total flux cleaned = 0.057864 Jy ! Total flux subtracted in 200 components = 0.057864 Jy ! Clean residual min=-0.002497 max=0.002660 Jy/beam ! Clean residual mean=-0.000000 rms=0.000628 Jy/beam ! Combined flux in latest and established models = 0.057864 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.057864 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8106 mas, bmaj=2.009 mas, bpa=-4.576 degrees ! Estimated noise=0.22738 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 = 0.00360343 Jy ! Component: 100 - total flux cleaned = 0.00558317 Jy ! Component: 150 - total flux cleaned = 0.00704812 Jy ! Component: 200 - total flux cleaned = 0.00821046 Jy ! Total flux subtracted in 200 components = 0.00821046 Jy ! Clean residual min=-0.001208 max=0.001091 Jy/beam ! Clean residual mean=-0.000001 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.0660745 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 32 components and 0.0660745 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=2.23 mas, bmaj=4.886 mas, bpa=0.7486 degrees ! Estimated noise=0.294032 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000877281 Jy ! Component: 100 - total flux cleaned = 0.00143147 Jy ! Component: 150 - total flux cleaned = 0.00188151 Jy ! Component: 200 - total flux cleaned = 0.00219724 Jy ! Total flux subtracted in 200 components = 0.00219724 Jy ! Clean residual min=-0.001174 max=0.001283 Jy/beam ! Clean residual mean=-0.000001 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.0682717 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) ! Added new window around map position (-46, 15.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000558018 Jy ! Component: 100 - total flux cleaned = 0.000429142 Jy ! Component: 150 - total flux cleaned = 0.00044581 Jy ! Component: 200 - total flux cleaned = 0.000558468 Jy ! Total flux subtracted in 200 components = 0.000558468 Jy ! Clean residual min=-0.001178 max=0.001082 Jy/beam ! Clean residual mean=-0.000002 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.0688302 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 74 components and 0.0688302 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8106 mas, bmaj=2.009 mas, bpa=-4.576 degrees ! Estimated noise=0.22738 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00020437 Jy ! Component: 100 - total flux cleaned = 0.000172107 Jy ! Component: 150 - total flux cleaned = 0.000201416 Jy ! Component: 200 - total flux cleaned = 0.000174518 Jy ! Total flux subtracted in 200 components = 0.000174518 Jy ! Clean residual min=-0.001087 max=0.000937 Jy/beam ! Clean residual mean=-0.000001 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.0690047 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 104 components and 0.0690047 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=0.063471Jy sigma=1.260702 ! Fit after self-cal, rms=0.063456Jy sigma=1.260456 wmodel J1720-2258_X_map.mod ! Writing 104 model components to file: J1720-2258_X_map.mod wobs J1720-2258_X_uvs.fits ! Writing UV FITS file: J1720-2258_X_uvs.fits wwins J1720-2258_X_map.win ! wwins: Wrote 5 windows to J1720-2258_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 = -0.000353054 Jy ! Component: 100 - total flux cleaned = -0.000566227 Jy ! Component: 150 - total flux cleaned = -0.00068518 Jy ! Component: 200 - total flux cleaned = -0.000718266 Jy ! Component: 250 - total flux cleaned = -0.000734734 Jy ! Component: 300 - total flux cleaned = -0.000828063 Jy ! Component: 350 - total flux cleaned = -0.000858471 Jy ! Component: 400 - total flux cleaned = -0.000962372 Jy ! Component: 450 - total flux cleaned = -0.00103499 Jy ! Component: 500 - total flux cleaned = -0.00110607 Jy ! Component: 550 - total flux cleaned = -0.00117581 Jy ! Component: 600 - total flux cleaned = -0.00123075 Jy ! Component: 650 - total flux cleaned = -0.00129849 Jy ! Component: 700 - total flux cleaned = -0.00133834 Jy ! Component: 750 - total flux cleaned = -0.00133838 Jy ! Component: 800 - total flux cleaned = -0.00140331 Jy ! Component: 850 - total flux cleaned = -0.00140332 Jy ! Component: 900 - total flux cleaned = -0.00142872 Jy ! Component: 950 - total flux cleaned = -0.00145403 Jy ! Component: 1000 - total flux cleaned = -0.00149087 Jy ! Component: 1050 - total flux cleaned = -0.00147873 Jy ! Component: 1100 - total flux cleaned = -0.00153904 Jy ! Component: 1150 - total flux cleaned = -0.00153894 Jy ! Component: 1200 - total flux cleaned = -0.00152725 Jy ! Component: 1250 - total flux cleaned = -0.00152709 Jy ! Component: 1300 - total flux cleaned = -0.00156186 Jy ! Component: 1350 - total flux cleaned = -0.0015505 Jy ! Component: 1400 - total flux cleaned = -0.0016192 Jy ! Component: 1450 - total flux cleaned = -0.00158502 Jy ! Component: 1500 - total flux cleaned = -0.0016301 Jy ! Component: 1550 - total flux cleaned = -0.00161901 Jy ! Component: 1600 - total flux cleaned = -0.00161901 Jy ! Component: 1650 - total flux cleaned = -0.00164089 Jy ! Component: 1700 - total flux cleaned = -0.001641 Jy ! Component: 1750 - total flux cleaned = -0.00166261 Jy ! Component: 1800 - total flux cleaned = -0.00165199 Jy ! Component: 1850 - total flux cleaned = -0.0016732 Jy ! Component: 1900 - total flux cleaned = -0.00169442 Jy ! Component: 1950 - total flux cleaned = -0.00168383 Jy ! Component: 2000 - total flux cleaned = -0.00168387 Jy ! Component: 2050 - total flux cleaned = -0.00170451 Jy ! Component: 2100 - total flux cleaned = -0.00172513 Jy ! Component: 2150 - total flux cleaned = -0.00174549 Jy ! Component: 2200 - total flux cleaned = -0.00172521 Jy ! Component: 2250 - total flux cleaned = -0.00174535 Jy ! Component: 2300 - total flux cleaned = -0.0017153 Jy ! Component: 2350 - total flux cleaned = -0.00174519 Jy ! Component: 2400 - total flux cleaned = -0.00173517 Jy ! Component: 2450 - total flux cleaned = -0.00172534 Jy ! Component: 2500 - total flux cleaned = -0.00171564 Jy ! Component: 2550 - total flux cleaned = -0.00174474 Jy ! Component: 2600 - total flux cleaned = -0.00176398 Jy ! Component: 2650 - total flux cleaned = -0.00173528 Jy ! Component: 2700 - total flux cleaned = -0.00176388 Jy ! Component: 2750 - total flux cleaned = -0.00176384 Jy ! Component: 2800 - total flux cleaned = -0.00179202 Jy ! Component: 2850 - total flux cleaned = -0.00179195 Jy ! Component: 2900 - total flux cleaned = -0.00177341 Jy ! Component: 2950 - total flux cleaned = -0.00181952 Jy ! Component: 3000 - total flux cleaned = -0.00184704 Jy ! Component: 3050 - total flux cleaned = -0.00181964 Jy ! Component: 3100 - total flux cleaned = -0.00183787 Jy ! Component: 3150 - total flux cleaned = -0.00185586 Jy ! Component: 3200 - total flux cleaned = -0.00184686 Jy ! Component: 3250 - total flux cleaned = -0.00190035 Jy ! Component: 3300 - total flux cleaned = -0.00190916 Jy ! Component: 3350 - total flux cleaned = -0.00190916 Jy ! Component: 3400 - total flux cleaned = -0.00193555 Jy ! Component: 3450 - total flux cleaned = -0.00198799 Jy ! Component: 3500 - total flux cleaned = -0.00201401 Jy ! Component: 3550 - total flux cleaned = -0.00203131 Jy ! Component: 3600 - total flux cleaned = -0.00208286 Jy ! Component: 3650 - total flux cleaned = -0.00207431 Jy ! Component: 3700 - total flux cleaned = -0.00209138 Jy ! Component: 3750 - total flux cleaned = -0.00214213 Jy ! Component: 3800 - total flux cleaned = -0.00215059 Jy ! Component: 3850 - total flux cleaned = -0.00218411 Jy ! Component: 3900 - total flux cleaned = -0.00220919 Jy ! Component: 3950 - total flux cleaned = -0.00225071 Jy ! Component: 4000 - total flux cleaned = -0.00226719 Jy ! Component: 4050 - total flux cleaned = -0.00225893 Jy ! Total flux subtracted in 4096 components = -0.00228349 Jy ! Clean residual min=-0.000448 max=0.000484 Jy/beam ! Clean residual mean=0.000000 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.0667212 Jy keep ! Adding 301 model components to the UV plane model. ! The established model now contains 405 components and 0.0667213 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1720-2258_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8106 x 2.009 at -4.576 degrees (North through East) ! Clean map min=-0.00073562 max=0.048254 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1720-2258_X_map.fits wmodel /vlbi/uf001/uva//J1720-2258_X_map.mod ! Writing 405 model components to file: /vlbi/uf001/uva//J1720-2258_X_map.mod wobs /vlbi/uf001/uva//J1720-2258_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1720-2258_X_uvs.fits wwins /vlbi/uf001/uva//J1720-2258_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1720-2258_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0482539 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000139111 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.86487 0.86487 1.72974 3.45948 6.91896 13.8379 27.6758 55.3517 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.048 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 346.872 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1720-2258_X_dfm.log closed on Mon Jan 14 04:08:09 2019