! Started logfile: /vlbi/bp222/maps//J0459+2706_X_dfm.log on Thu Sep 27 10:48:52 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//J0459+2706_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0459+2706_X_uvm.fits ! AN table 1: 138 integrations on 45 of 45 possible baselines. ! AN table 2: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.936488 visibilities/baseline/integration-bin. ! Found source: J0459+2706 ! ! 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 79092 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 J0459+2706_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 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002799Jy sigma=15.848552 ! Fit after self-cal, rms=0.962199Jy sigma=15.191692 ! 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=0.6734 mas, bmaj=1.785 mas, bpa=-4.634 degrees ! Estimated noise=0.348035 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 = 0.0309493 Jy ! Component: 100 - total flux cleaned = 0.037737 Jy ! Total flux subtracted in 100 components = 0.037737 Jy ! Clean residual min=-0.001741 max=0.001974 Jy/beam ! Clean residual mean=0.000001 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.037737 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.037737 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=0.057838Jy sigma=0.848831 ! Fit after self-cal, rms=0.055725Jy sigma=0.816890 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00406718 Jy ! Component: 100 - total flux cleaned = 0.00514746 Jy ! Total flux subtracted in 100 components = 0.00514746 Jy ! Clean residual min=-0.001521 max=0.001585 Jy/beam ! Clean residual mean=0.000001 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.0428844 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0428844 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=0.055498Jy sigma=0.812312 ! Fit after self-cal, rms=0.055493Jy sigma=0.812210 ! 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=0.8906 mas, bmaj=2.127 mas, bpa=-4.024 degrees ! Estimated noise=0.166441 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 = -0.000145849 Jy ! Component: 100 - total flux cleaned = -0.000273506 Jy ! Component: 150 - total flux cleaned = -0.000375815 Jy ! Component: 200 - total flux cleaned = -0.00047753 Jy ! Total flux subtracted in 200 components = -0.00047753 Jy ! Clean residual min=-0.002003 max=0.002805 Jy/beam ! Clean residual mean=0.000003 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.0424069 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 15 components and 0.0424069 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=0.055485Jy sigma=0.812026 ! Fit after self-cal, rms=0.055474Jy sigma=0.811982 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8906 x 2.127 at -4.024 degrees (North through East) ! Clean map min=-0.0019628 max=0.043036 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.96 KP 0.99 ! LA 1.17 MK 0.99 NL 1.02 OV 1.03 ! PT 1.11 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.04 HN 0.90 KP 1.25 ! LA 0.89 MK 0.85 NL 0.89 OV 0.94 ! PT 1.44 ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HN 0.99 KP 0.99 ! LA 1.16 MK 1.03 NL 1.05 OV 0.98 ! PT 1.05 SC 1.12 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 HN 0.88 KP 1.05 ! LA 1.02 MK 0.97 NL 0.98 OV 0.75 ! PT 1.00 ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 0.97 KP 1.01 ! LA 1.10 MK 1.01 NL 1.04 OV 1.02 ! PT 1.08 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.13 HN 1.02 KP 1.17 ! LA 1.03 MK 0.85 NL 0.93 OV 0.84 ! PT 0.97 ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HN 1.02 KP 0.98 ! LA 1.17 MK 1.00 NL 1.00 OV 1.02 ! PT 1.01 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 HN 0.99 KP 1.11 ! LA 1.00 MK 1.03 NL 0.94 OV 0.82 ! PT 1.03 ! ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 1.04 KP 0.95 ! LA 1.09 MK 0.97 NL 0.96 OV 0.98 ! PT 1.04 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 HN 1.01 KP 1.15 ! LA 1.02 MK 0.87 NL 0.92 OV 0.81 ! PT 1.06 ! ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.93 KP 0.97 ! LA 1.13 MK 1.01 NL 0.98 OV 1.00 ! PT 1.09 SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.99 HN 0.99 KP 1.17 ! LA 1.07 MK 0.87 NL 0.89 OV 0.87 ! PT 1.08 ! ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 0.95 KP 0.99 ! LA 1.08 MK 0.94 NL 0.96 OV 0.98 ! PT 1.04 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 HN 0.94 KP 1.10 ! LA 1.02 MK 0.94 NL 0.91 OV 0.77 ! PT 1.09 ! ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HN 0.95 KP 0.95 ! LA 1.03 MK 0.98 NL 0.97 OV 1.00 ! PT 1.07 SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.92 HN 0.92 KP 1.06 ! LA 0.95 MK 1.00 NL 0.94 OV 0.84 ! PT 1.07 ! ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.01 HN 0.91 KP 0.94 ! LA 1.03 MK 1.01 NL 1.00 OV 1.02 ! PT 1.06 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.95 HN 0.91 KP 1.00 ! LA 1.05 MK 0.98 NL 0.88 OV 0.84 ! PT 1.13 ! ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.93 HN 0.93 KP 0.94 ! LA 1.08 MK 0.95 NL 0.97 OV 0.97 ! PT 1.03 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.88 HN 0.93 KP 1.20 ! LA 1.08 MK 0.92 NL 0.91 OV 0.89 ! PT 1.07 ! ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 HN 0.91 KP 0.93 ! LA 1.07 MK 0.91 NL 1.03 OV 0.98 ! PT 1.01 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.94 HN 0.86 KP 1.01 ! LA 0.95 MK 0.79 NL 0.92 OV 0.92 ! PT 1.00 ! ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.02 HN 0.91 KP 0.97 ! LA 1.03 MK 0.96 NL 0.97 OV 0.96 ! PT 1.00 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 0.97 HN 1.00 KP 1.08 ! LA 0.90 MK 0.97 NL 1.01 OV 0.79 ! PT 1.01 ! ! ! Fit before self-cal, rms=0.055474Jy sigma=0.811982 ! Fit after self-cal, rms=0.054952Jy sigma=0.809353 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8857 mas, bmaj=2.118 mas, bpa=-4.21 degrees ! Estimated noise=0.165156 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 = 0.000215881 Jy ! Component: 100 - total flux cleaned = 0.000297887 Jy ! Component: 150 - total flux cleaned = 0.000366675 Jy ! Component: 200 - total flux cleaned = 0.000417411 Jy ! Total flux subtracted in 200 components = 0.000417411 Jy ! Clean residual min=-0.001925 max=0.002563 Jy/beam ! Clean residual mean=0.000003 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.0428243 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 24 components and 0.0428243 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=0.054948Jy sigma=0.809299 ! Fit after self-cal, rms=0.054974Jy sigma=0.809068 ! 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=0.054974Jy sigma=0.809068 ! Fit after self-cal, rms=0.055009Jy sigma=0.808338 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8854 mas, bmaj=2.119 mas, bpa=-4.149 degrees ! Estimated noise=0.16484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.19351e-05 Jy ! Component: 100 - total flux cleaned = 0.000106962 Jy ! Component: 150 - total flux cleaned = 0.000135883 Jy ! Component: 200 - total flux cleaned = 0.000161881 Jy ! Total flux subtracted in 200 components = 0.000161881 Jy ! Clean residual min=-0.001830 max=0.002526 Jy/beam ! Clean residual mean=0.000003 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 0.0429862 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 30 components and 0.0429862 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=0.055007Jy sigma=0.808306 ! Fit after self-cal, rms=0.055014Jy sigma=0.808217 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, -11.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0029232 Jy ! Component: 100 - total flux cleaned = 0.00515581 Jy ! Component: 150 - total flux cleaned = 0.00695383 Jy ! Component: 200 - total flux cleaned = 0.00842175 Jy ! Total flux subtracted in 200 components = 0.00842175 Jy ! Clean residual min=-0.001710 max=0.001986 Jy/beam ! Clean residual mean=0.000002 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.0514079 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 74 components and 0.0514079 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=0.054751Jy sigma=0.804764 ! Fit after self-cal, rms=0.054723Jy sigma=0.804187 ! 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=0.054723Jy sigma=0.804187 ! Fit after self-cal, rms=0.055081Jy sigma=0.802527 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8884 mas, bmaj=2.13 mas, bpa=-4.219 degrees ! Estimated noise=0.163617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176971 Jy ! Component: 100 - total flux cleaned = 0.00318673 Jy ! Component: 150 - total flux cleaned = 0.00435272 Jy ! Component: 200 - total flux cleaned = 0.00531881 Jy ! Total flux subtracted in 200 components = 0.00531881 Jy ! Clean residual min=-0.001641 max=0.002099 Jy/beam ! Clean residual mean=0.000002 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.0567268 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 92 components and 0.0567267 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=0.054977Jy sigma=0.801131 ! Fit after self-cal, rms=0.055013Jy sigma=0.800775 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 (-17, -10.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00225215 Jy ! Component: 100 - total flux cleaned = 0.00391156 Jy ! Component: 150 - total flux cleaned = 0.00528346 Jy ! Component: 200 - total flux cleaned = 0.00647164 Jy ! Total flux subtracted in 200 components = 0.00647164 Jy ! Clean residual min=-0.001537 max=0.001594 Jy/beam ! Clean residual mean=0.000001 rms=0.000403 Jy/beam ! Combined flux in latest and established models = 0.0631984 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 133 components and 0.0631984 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=0.054857Jy sigma=0.798662 ! Fit after self-cal, rms=0.054834Jy sigma=0.798378 ! 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=0.054834Jy sigma=0.798378 ! Fit after self-cal, rms=0.054605Jy sigma=0.798096 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.043 mas, bmaj=2.824 mas, bpa=-5.295 degrees ! Estimated noise=0.201874 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00315366 Jy ! Component: 100 - total flux cleaned = 0.00556837 Jy ! Component: 150 - total flux cleaned = 0.00751331 Jy ! Component: 200 - total flux cleaned = 0.00912278 Jy ! Total flux subtracted in 200 components = 0.00912278 Jy ! Clean residual min=-0.002376 max=0.002765 Jy/beam ! Clean residual mean=0.000001 rms=0.000736 Jy/beam ! Combined flux in latest and established models = 0.0723212 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 157 components and 0.0723212 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=0.054519Jy sigma=0.796899 ! Fit after self-cal, rms=0.054497Jy sigma=0.796417 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 = 0.00187949 Jy ! Component: 100 - total flux cleaned = 0.00338937 Jy ! Component: 150 - total flux cleaned = 0.00464328 Jy ! Component: 200 - total flux cleaned = 0.00568826 Jy ! Total flux subtracted in 200 components = 0.00568826 Jy ! Clean residual min=-0.002218 max=0.002710 Jy/beam ! Clean residual mean=0.000001 rms=0.000695 Jy/beam ! Combined flux in latest and established models = 0.0780094 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 161 components and 0.0780094 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=0.054480Jy sigma=0.796308 ! Fit after self-cal, rms=0.054471Jy sigma=0.796155 ! 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=0.8927 mas, bmaj=2.139 mas, bpa=-4.217 degrees ! Estimated noise=0.162626 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8927 x 2.139 at -4.217 degrees (North through East) ! Clean map min=-0.0011937 max=0.042225 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=0.6754 mas, bmaj=1.799 mas, bpa=-4.723 degrees ! Estimated noise=0.340853 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0326169 Jy ! Component: 100 - total flux cleaned = 0.039842 Jy ! Component: 150 - total flux cleaned = 0.0423906 Jy ! Component: 200 - total flux cleaned = 0.0444299 Jy ! Total flux subtracted in 200 components = 0.0444299 Jy ! Clean residual min=-0.001475 max=0.001578 Jy/beam ! Clean residual mean=0.000001 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.0444299 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 0.0444299 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8927 mas, bmaj=2.139 mas, bpa=-4.217 degrees ! Estimated noise=0.162626 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 = 0.00378917 Jy ! Component: 100 - total flux cleaned = 0.00689001 Jy ! Component: 150 - total flux cleaned = 0.00958944 Jy ! Component: 200 - total flux cleaned = 0.0119681 Jy ! Total flux subtracted in 200 components = 0.0119681 Jy ! Clean residual min=-0.001724 max=0.001886 Jy/beam ! Clean residual mean=0.000003 rms=0.000517 Jy/beam ! Combined flux in latest and established models = 0.056398 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 69 components and 0.056398 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=2.043 mas, bmaj=2.824 mas, bpa=-5.295 degrees ! Estimated noise=0.201874 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00455416 Jy ! Component: 100 - total flux cleaned = 0.00816277 Jy ! Component: 150 - total flux cleaned = 0.0111044 Jy ! Component: 200 - total flux cleaned = 0.0135337 Jy ! Total flux subtracted in 200 components = 0.0135337 Jy ! Clean residual min=-0.002628 max=0.003169 Jy/beam ! Clean residual mean=0.000002 rms=0.000824 Jy/beam ! Combined flux in latest and established models = 0.0699317 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 = 0.00203027 Jy ! Component: 100 - total flux cleaned = 0.00376824 Jy ! Component: 150 - total flux cleaned = 0.005264 Jy ! Component: 200 - total flux cleaned = 0.00655149 Jy ! Total flux subtracted in 200 components = 0.00655149 Jy ! Clean residual min=-0.002296 max=0.002848 Jy/beam ! Clean residual mean=0.000001 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.0764832 Jy ! Adding 83 model components to the UV plane model. ! The established model now contains 130 components and 0.0764832 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8927 mas, bmaj=2.139 mas, bpa=-4.217 degrees ! Estimated noise=0.162626 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110564 Jy ! Component: 100 - total flux cleaned = 0.00147502 Jy ! Component: 150 - total flux cleaned = 0.00173324 Jy ! Component: 200 - total flux cleaned = 0.0020126 Jy ! Total flux subtracted in 200 components = 0.0020126 Jy ! Clean residual min=-0.001272 max=0.001515 Jy/beam ! Clean residual mean=0.000000 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.0784958 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 155 components and 0.0784958 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=0.054463Jy sigma=0.796217 ! Fit after self-cal, rms=0.054454Jy sigma=0.796118 wmodel J0459+2706_X_map.mod ! Writing 155 model components to file: J0459+2706_X_map.mod wobs J0459+2706_X_uvs.fits ! Writing UV FITS file: J0459+2706_X_uvs.fits wwins J0459+2706_X_map.win ! wwins: Wrote 3 windows to J0459+2706_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 = 0.000676459 Jy ! Component: 100 - total flux cleaned = 0.00113766 Jy ! Component: 150 - total flux cleaned = 0.00143375 Jy ! Component: 200 - total flux cleaned = 0.00160583 Jy ! Component: 250 - total flux cleaned = 0.00174928 Jy ! Component: 300 - total flux cleaned = 0.00188848 Jy ! Component: 350 - total flux cleaned = 0.00204227 Jy ! Component: 400 - total flux cleaned = 0.00213562 Jy ! Component: 450 - total flux cleaned = 0.00229927 Jy ! Component: 500 - total flux cleaned = 0.0023882 Jy ! Component: 550 - total flux cleaned = 0.00252737 Jy ! Component: 600 - total flux cleaned = 0.00261253 Jy ! Component: 650 - total flux cleaned = 0.00272987 Jy ! Component: 700 - total flux cleaned = 0.00286091 Jy ! Component: 750 - total flux cleaned = 0.00295702 Jy ! Component: 800 - total flux cleaned = 0.00301978 Jy ! Component: 850 - total flux cleaned = 0.00309742 Jy ! Component: 900 - total flux cleaned = 0.00317378 Jy ! Component: 950 - total flux cleaned = 0.0032339 Jy ! Component: 1000 - total flux cleaned = 0.00335208 Jy ! Component: 1050 - total flux cleaned = 0.00342441 Jy ! Component: 1100 - total flux cleaned = 0.00348147 Jy ! Component: 1150 - total flux cleaned = 0.00353804 Jy ! Component: 1200 - total flux cleaned = 0.00360766 Jy ! Component: 1250 - total flux cleaned = 0.00370389 Jy ! Component: 1300 - total flux cleaned = 0.00377155 Jy ! Component: 1350 - total flux cleaned = 0.0038516 Jy ! Component: 1400 - total flux cleaned = 0.00393051 Jy ! Component: 1450 - total flux cleaned = 0.00398253 Jy ! Component: 1500 - total flux cleaned = 0.00399541 Jy ! Component: 1550 - total flux cleaned = 0.00413462 Jy ! Component: 1600 - total flux cleaned = 0.00415964 Jy ! Component: 1650 - total flux cleaned = 0.00422139 Jy ! Component: 1700 - total flux cleaned = 0.00425819 Jy ! Component: 1750 - total flux cleaned = 0.00430642 Jy ! Component: 1800 - total flux cleaned = 0.00437844 Jy ! Component: 1850 - total flux cleaned = 0.00439024 Jy ! Component: 1900 - total flux cleaned = 0.00443717 Jy ! Component: 1950 - total flux cleaned = 0.00448352 Jy ! Component: 2000 - total flux cleaned = 0.00451787 Jy ! Component: 2050 - total flux cleaned = 0.00455175 Jy ! Component: 2100 - total flux cleaned = 0.00456314 Jy ! Component: 2150 - total flux cleaned = 0.00456301 Jy ! Component: 2200 - total flux cleaned = 0.00463983 Jy ! Component: 2250 - total flux cleaned = 0.00466146 Jy ! Component: 2300 - total flux cleaned = 0.00469376 Jy ! Component: 2350 - total flux cleaned = 0.00472565 Jy ! Component: 2400 - total flux cleaned = 0.00474683 Jy ! Component: 2450 - total flux cleaned = 0.00474694 Jy ! Component: 2500 - total flux cleaned = 0.00474705 Jy ! Component: 2550 - total flux cleaned = 0.00482921 Jy ! Component: 2600 - total flux cleaned = 0.00482924 Jy ! Component: 2650 - total flux cleaned = 0.00481924 Jy ! Component: 2700 - total flux cleaned = 0.00485909 Jy ! Component: 2750 - total flux cleaned = 0.00483919 Jy ! Component: 2800 - total flux cleaned = 0.00484912 Jy ! Component: 2850 - total flux cleaned = 0.0048394 Jy ! Component: 2900 - total flux cleaned = 0.00484892 Jy ! Component: 2950 - total flux cleaned = 0.00484904 Jy ! Component: 3000 - total flux cleaned = 0.00486799 Jy ! Component: 3050 - total flux cleaned = 0.0048774 Jy ! Component: 3100 - total flux cleaned = 0.00489596 Jy ! Component: 3150 - total flux cleaned = 0.00489599 Jy ! Component: 3200 - total flux cleaned = 0.0048409 Jy ! Component: 3250 - total flux cleaned = 0.00486824 Jy ! Component: 3300 - total flux cleaned = 0.00484117 Jy ! Component: 3350 - total flux cleaned = 0.0048501 Jy ! Component: 3400 - total flux cleaned = 0.00479682 Jy ! Component: 3450 - total flux cleaned = 0.00481448 Jy ! Component: 3500 - total flux cleaned = 0.00478824 Jy ! Component: 3550 - total flux cleaned = 0.00478822 Jy ! Component: 3600 - total flux cleaned = 0.00475374 Jy ! Component: 3650 - total flux cleaned = 0.00476231 Jy ! Component: 3700 - total flux cleaned = 0.00477087 Jy ! Component: 3750 - total flux cleaned = 0.00478778 Jy ! Component: 3800 - total flux cleaned = 0.00476256 Jy ! Component: 3850 - total flux cleaned = 0.00472088 Jy ! Component: 3900 - total flux cleaned = 0.00473744 Jy ! Component: 3950 - total flux cleaned = 0.0047128 Jy ! Component: 4000 - total flux cleaned = 0.00467187 Jy ! Component: 4050 - total flux cleaned = 0.00470449 Jy ! Total flux subtracted in 4096 components = 0.00467224 Jy ! Clean residual min=-0.000453 max=0.000485 Jy/beam ! Clean residual mean=0.000001 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.083168 Jy keep ! Adding 404 model components to the UV plane model. ! The established model now contains 557 components and 0.083168 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0459+2706_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8927 x 2.139 at -4.217 degrees (North through East) ! Clean map min=-0.00093042 max=0.042013 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0459+2706_X_map.fits wmodel /vlbi/bp222/maps//J0459+2706_X_map.mod ! Writing 557 model components to file: /vlbi/bp222/maps//J0459+2706_X_map.mod wobs /vlbi/bp222/maps//J0459+2706_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0459+2706_X_uvs.fits wwins /vlbi/bp222/maps//J0459+2706_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J0459+2706_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0420134 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000154365 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.10225 1.10225 2.2045 4.40901 8.81801 17.636 35.272 70.5441 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.042 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 272.17 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0459+2706_X_dfm.log closed on Thu Sep 27 10:49:01 2018