! Started logfile: /vlbi/sb072/temp_maps//J0047+5447_C_dfm.log on Sat Jan 12 21:44:49 2019 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J0047+5447_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J0047+5447_C_uvm.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! AN table 2: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0047+5447 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 11776 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0047+5447_C] 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 0.300x0.300 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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.999677Jy sigma=52.361713 ! Fit after self-cal, rms=0.993368Jy sigma=51.953322 ! 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=1.371 mas, bmaj=3.759 mas, bpa=-31.1 degrees ! Estimated noise=0.323269 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 = 0.00537424 Jy ! Component: 100 - total flux cleaned = 0.00679795 Jy ! Total flux subtracted in 100 components = 0.00679795 Jy ! Clean residual min=-0.001083 max=0.001209 Jy/beam ! Clean residual mean=-0.000005 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.00679795 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.00679795 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. ! ! Fit before self-cal, rms=0.017410Jy sigma=0.829908 ! Fit after self-cal, rms=0.016328Jy sigma=0.769045 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00271663 Jy ! Component: 100 - total flux cleaned = 0.00280354 Jy ! Total flux subtracted in 100 components = 0.00280354 Jy ! Clean residual min=-0.000979 max=0.000950 Jy/beam ! Clean residual mean=-0.000004 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.00960149 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 9 components and 0.00960149 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. ! ! Fit before self-cal, rms=0.015988Jy sigma=0.738108 ! Fit after self-cal, rms=0.015973Jy sigma=0.737614 ! 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=2.125 mas, bmaj=4.106 mas, bpa=-31.07 degrees ! Estimated noise=0.138093 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 = 0.000498498 Jy ! Component: 100 - total flux cleaned = 0.000653256 Jy ! Component: 150 - total flux cleaned = 0.000662163 Jy ! Component: 200 - total flux cleaned = 0.000666094 Jy ! Total flux subtracted in 200 components = 0.000666094 Jy ! Clean residual min=-0.000713 max=0.000586 Jy/beam ! Clean residual mean=-0.000009 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0102676 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.0102676 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. ! ! Fit before self-cal, rms=0.015969Jy sigma=0.734772 ! Fit after self-cal, rms=0.015969Jy sigma=0.734760 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.125 x 4.106 at -31.07 degrees (North through East) ! Clean map min=-0.00069613 max=0.0099927 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.14 HN 0.94 KP 1.05 ! LA 0.72 NL 1.07 OV 1.01 PT 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.91 HN 0.90 KP 1.26 ! LA 1.17 MK 0.95 OV 0.80 PT 0.87 ! SC 0.89 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.36 HN 1.24 KP 1.42 ! LA 0.48 NL 1.56 OV 1.01 PT 1.57 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 0.79 HN 0.84 KP 1.12 ! LA 1.17 MK 1.02 OV 0.93 PT 1.09 ! SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.03 HN 0.82 KP 0.95 ! LA 1.14 NL 0.91 OV 0.99 PT 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.96 HN 0.96 KP 1.02 ! LA 1.23 MK 1.05 OV 1.05 PT 0.85 ! SC 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.94 HN 1.08 KP 1.00 ! LA 1.02 NL 1.12 OV 0.83 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.14 FD 1.01 HN 0.86 KP 1.16 ! LA 1.12 MK 1.02 OV 1.06 PT 0.83 ! SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 1.04 HN 0.93 KP 0.93 ! LA 1.12 NL 1.08 OV 1.01 PT 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.13 HN 0.93 KP 1.08 ! LA 1.00 MK 1.18 OV 1.19 PT 0.99 ! SC 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.87 HN 0.84 KP 1.08 ! LA 0.97 NL 1.16 OV 0.98 PT 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.19 FD 0.97 HN 0.93 KP 1.13 ! LA 1.15 MK 1.00 OV 1.12 PT 0.94 ! SC 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.11 HN 0.92 KP 1.01 ! LA 1.14 NL 1.02 OV 0.92 PT 1.21 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.18 FD 1.17 HN 0.72 KP 1.01 ! LA 1.19 MK 1.10 OV 1.13 PT 1.11 ! SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.06 HN 0.84 KP 0.98 ! LA 1.07 NL 1.11 OV 0.84 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.10 FD 1.09 HN 0.93 KP 0.97 ! LA 1.23 MK 0.95 OV 1.00 PT 0.93 ! SC 0.84 ! ! ! Fit before self-cal, rms=0.015969Jy sigma=0.734760 ! Fit after self-cal, rms=0.016736Jy sigma=0.718955 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.129 mas, bmaj=4.032 mas, bpa=-31.35 degrees ! Estimated noise=0.136013 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 = 7.94472e-05 Jy ! Component: 100 - total flux cleaned = 0.000106879 Jy ! Component: 150 - total flux cleaned = 0.00011908 Jy ! Component: 200 - total flux cleaned = 0.000124132 Jy ! Total flux subtracted in 200 components = 0.000124132 Jy ! Clean residual min=-0.000450 max=0.000429 Jy/beam ! Clean residual mean=-0.000002 rms=0.000105 Jy/beam ! Combined flux in latest and established models = 0.0103917 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.0103917 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. ! ! Fit before self-cal, rms=0.016734Jy sigma=0.718874 ! Fit after self-cal, rms=0.016840Jy sigma=0.716446 ! 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. ! ! Fit before self-cal, rms=0.016840Jy sigma=0.716446 ! Fit after self-cal, rms=0.018587Jy sigma=0.715575 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.116 mas, bmaj=4.006 mas, bpa=-31.47 degrees ! Estimated noise=0.136622 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.35244e-05 Jy ! Component: 100 - total flux cleaned = 0.000125423 Jy ! Component: 150 - total flux cleaned = 0.000143433 Jy ! Component: 200 - total flux cleaned = 0.000148096 Jy ! Total flux subtracted in 200 components = 0.000148096 Jy ! Clean residual min=-0.000433 max=0.000403 Jy/beam ! Clean residual mean=-0.000001 rms=0.000104 Jy/beam ! Combined flux in latest and established models = 0.0105398 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 0.0105398 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. ! ! Fit before self-cal, rms=0.018584Jy sigma=0.715503 ! Fit after self-cal, rms=0.018632Jy sigma=0.715176 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 = -7.57903e-06 Jy ! Component: 100 - total flux cleaned = -1.6164e-05 Jy ! Component: 150 - total flux cleaned = -1.63169e-05 Jy ! Component: 200 - total flux cleaned = -1.63873e-05 Jy ! Total flux subtracted in 200 components = -1.63873e-05 Jy ! Clean residual min=-0.000422 max=0.000397 Jy/beam ! Clean residual mean=-0.000001 rms=0.000103 Jy/beam ! Combined flux in latest and established models = 0.0105234 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 39 components and 0.0105234 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. ! ! Fit before self-cal, rms=0.018631Jy sigma=0.715145 ! Fit after self-cal, rms=0.018631Jy sigma=0.715125 ! 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. ! ! Fit before self-cal, rms=0.018631Jy sigma=0.715125 ! Fit after self-cal, rms=0.019775Jy sigma=0.714876 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.11 mas, bmaj=3.979 mas, bpa=-31.65 degrees ! Estimated noise=0.135965 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.70491e-05 Jy ! Component: 100 - total flux cleaned = 0.000104241 Jy ! Component: 150 - total flux cleaned = 0.000124938 Jy ! Component: 200 - total flux cleaned = 0.000135314 Jy ! Total flux subtracted in 200 components = 0.000135314 Jy ! Clean residual min=-0.000415 max=0.000403 Jy/beam ! Clean residual mean=-0.000001 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.0106587 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 40 components and 0.0106587 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. ! ! Fit before self-cal, rms=0.019773Jy sigma=0.714824 ! Fit after self-cal, rms=0.019799Jy sigma=0.714732 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 = -2.95421e-06 Jy ! Component: 100 - total flux cleaned = -9.00585e-06 Jy ! Component: 150 - total flux cleaned = -5.53056e-06 Jy ! Component: 200 - total flux cleaned = -5.45325e-06 Jy ! Total flux subtracted in 200 components = -5.45325e-06 Jy ! Clean residual min=-0.000405 max=0.000396 Jy/beam ! Clean residual mean=-0.000001 rms=0.000100 Jy/beam ! Combined flux in latest and established models = 0.0106533 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 43 components and 0.0106533 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. ! ! Fit before self-cal, rms=0.019798Jy sigma=0.714716 ! Fit after self-cal, rms=0.019799Jy sigma=0.714713 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.019799Jy sigma=0.714713 ! Fit after self-cal, rms=0.020685Jy sigma=0.714601 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.724 mas, bmaj=4.763 mas, bpa=1.315 degrees ! Estimated noise=0.154248 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.16848e-05 Jy ! Component: 100 - total flux cleaned = 6.27926e-05 Jy ! Component: 150 - total flux cleaned = 6.97419e-05 Jy ! Component: 200 - total flux cleaned = 7.54932e-05 Jy ! Total flux subtracted in 200 components = 7.54932e-05 Jy ! Clean residual min=-0.000414 max=0.000368 Jy/beam ! Clean residual mean=-0.000001 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0107288 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 50 components and 0.0107288 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. ! ! Fit before self-cal, rms=0.020684Jy sigma=0.714585 ! Fit after self-cal, rms=0.020699Jy sigma=0.714553 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 = -1.51848e-05 Jy ! Component: 100 - total flux cleaned = -9.61935e-06 Jy ! Component: 150 - total flux cleaned = -6.45133e-06 Jy ! Component: 200 - total flux cleaned = -5.0441e-06 Jy ! Total flux subtracted in 200 components = -5.0441e-06 Jy ! Clean residual min=-0.000403 max=0.000357 Jy/beam ! Clean residual mean=-0.000001 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.0107237 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 53 components and 0.0107237 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. ! ! Fit before self-cal, rms=0.020699Jy sigma=0.714567 ! Fit after self-cal, rms=0.020699Jy sigma=0.714564 ! 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=2.104 mas, bmaj=3.956 mas, bpa=-31.84 degrees ! Estimated noise=0.135302 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.104 x 3.956 at -31.84 degrees (North through East) ! Clean map min=-0.00037927 max=0.0096217 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=1.371 mas, bmaj=3.582 mas, bpa=-31.63 degrees ! Estimated noise=0.305409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0072305 Jy ! Component: 100 - total flux cleaned = 0.00914249 Jy ! Component: 150 - total flux cleaned = 0.00958959 Jy ! Component: 200 - total flux cleaned = 0.00975116 Jy ! Total flux subtracted in 200 components = 0.00975116 Jy ! Clean residual min=-0.000925 max=0.000825 Jy/beam ! Clean residual mean=-0.000003 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.00975116 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 0.00975116 Jy ! Inverting map and beam ! Estimated beam: bmin=2.104 mas, bmaj=3.956 mas, bpa=-31.84 degrees ! Estimated noise=0.135302 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 = 0.000572135 Jy ! Component: 100 - total flux cleaned = 0.000782619 Jy ! Component: 150 - total flux cleaned = 0.000877523 Jy ! Component: 200 - total flux cleaned = 0.000898654 Jy ! Total flux subtracted in 200 components = 0.000898654 Jy ! Clean residual min=-0.000404 max=0.000393 Jy/beam ! Clean residual mean=-0.000001 rms=0.000099 Jy/beam ! Combined flux in latest and established models = 0.0106498 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 29 components and 0.0106498 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.724 mas, bmaj=4.763 mas, bpa=1.315 degrees ! Estimated noise=0.154248 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.63932e-05 Jy ! Component: 100 - total flux cleaned = 4.69207e-05 Jy ! Component: 150 - total flux cleaned = 5.34484e-05 Jy ! Component: 200 - total flux cleaned = 5.53772e-05 Jy ! Total flux subtracted in 200 components = 5.53772e-05 Jy ! Clean residual min=-0.000401 max=0.000374 Jy/beam ! Clean residual mean=-0.000002 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0107052 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 = 3.13316e-06 Jy ! Component: 100 - total flux cleaned = 3.15718e-06 Jy ! Component: 150 - total flux cleaned = 3.10766e-06 Jy ! Component: 200 - total flux cleaned = 1.81597e-06 Jy ! Total flux subtracted in 200 components = 1.81597e-06 Jy ! Clean residual min=-0.000400 max=0.000370 Jy/beam ! Clean residual mean=-0.000002 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.010707 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 38 components and 0.010707 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.104 mas, bmaj=3.956 mas, bpa=-31.84 degrees ! Estimated noise=0.135302 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.27214e-05 Jy ! Component: 100 - total flux cleaned = -2.7443e-05 Jy ! Component: 150 - total flux cleaned = -2.95465e-05 Jy ! Component: 200 - total flux cleaned = -2.95854e-05 Jy ! Total flux subtracted in 200 components = -2.95854e-05 Jy ! Clean residual min=-0.000396 max=0.000393 Jy/beam ! Clean residual mean=-0.000001 rms=0.000098 Jy/beam ! Combined flux in latest and established models = 0.0106774 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 0.0106774 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. ! ! Fit before self-cal, rms=0.020700Jy sigma=0.714633 ! Fit after self-cal, rms=0.020699Jy sigma=0.714591 wmodel J0047+5447_C_map.mod ! Writing 45 model components to file: J0047+5447_C_map.mod wobs J0047+5447_C_uvs.fits ! Writing UV FITS file: J0047+5447_C_uvs.fits wwins J0047+5447_C_map.win ! wwins: Wrote 1 windows to J0047+5447_C_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 = -1.59695e-05 Jy ! Component: 100 - total flux cleaned = -2.29052e-05 Jy ! Component: 150 - total flux cleaned = -3.60247e-05 Jy ! Component: 200 - total flux cleaned = -5.50364e-05 Jy ! Component: 250 - total flux cleaned = -9.80579e-05 Jy ! Component: 300 - total flux cleaned = -0.000139942 Jy ! Component: 350 - total flux cleaned = -0.00018658 Jy ! Component: 400 - total flux cleaned = -0.00022085 Jy ! Component: 450 - total flux cleaned = -0.000254523 Jy ! Component: 500 - total flux cleaned = -0.000292954 Jy ! Component: 550 - total flux cleaned = -0.000309033 Jy ! Component: 600 - total flux cleaned = -0.000324924 Jy ! Component: 650 - total flux cleaned = -0.000356079 Jy ! Component: 700 - total flux cleaned = -0.000371341 Jy ! Component: 750 - total flux cleaned = -0.00037637 Jy ! Component: 800 - total flux cleaned = -0.000391298 Jy ! Component: 850 - total flux cleaned = -0.000410817 Jy ! Component: 900 - total flux cleaned = -0.000425293 Jy ! Component: 950 - total flux cleaned = -0.000453808 Jy ! Component: 1000 - total flux cleaned = -0.000463193 Jy ! Component: 1050 - total flux cleaned = -0.000477131 Jy ! Component: 1100 - total flux cleaned = -0.000504625 Jy ! Component: 1150 - total flux cleaned = -0.00052264 Jy ! Component: 1200 - total flux cleaned = -0.000531562 Jy ! Component: 1250 - total flux cleaned = -0.000558051 Jy ! Component: 1300 - total flux cleaned = -0.000584191 Jy ! Component: 1350 - total flux cleaned = -0.000597121 Jy ! Component: 1400 - total flux cleaned = -0.000622799 Jy ! Component: 1450 - total flux cleaned = -0.000643946 Jy ! Component: 1500 - total flux cleaned = -0.000656553 Jy ! Component: 1550 - total flux cleaned = -0.000673188 Jy ! Component: 1600 - total flux cleaned = -0.000697947 Jy ! Component: 1650 - total flux cleaned = -0.000710143 Jy ! Component: 1700 - total flux cleaned = -0.000726283 Jy ! Component: 1750 - total flux cleaned = -0.000742328 Jy ! Component: 1800 - total flux cleaned = -0.000754173 Jy ! Component: 1850 - total flux cleaned = -0.000765937 Jy ! Component: 1900 - total flux cleaned = -0.000785422 Jy ! Component: 1950 - total flux cleaned = -0.000793113 Jy ! Component: 2000 - total flux cleaned = -0.000816056 Jy ! Component: 2050 - total flux cleaned = -0.000819825 Jy ! Component: 2100 - total flux cleaned = -0.000827385 Jy ! Component: 2150 - total flux cleaned = -0.000827365 Jy ! Component: 2200 - total flux cleaned = -0.000838537 Jy ! Component: 2250 - total flux cleaned = -0.000853275 Jy ! Component: 2300 - total flux cleaned = -0.000871499 Jy ! Component: 2350 - total flux cleaned = -0.000871481 Jy ! Component: 2400 - total flux cleaned = -0.000878677 Jy ! Component: 2450 - total flux cleaned = -0.000885801 Jy ! Component: 2500 - total flux cleaned = -0.000903549 Jy ! Component: 2550 - total flux cleaned = -0.000907087 Jy ! Component: 2600 - total flux cleaned = -0.00092107 Jy ! Component: 2650 - total flux cleaned = -0.000931446 Jy ! Component: 2700 - total flux cleaned = -0.000952116 Jy ! Component: 2750 - total flux cleaned = -0.000958923 Jy ! Component: 2800 - total flux cleaned = -0.000969159 Jy ! Component: 2850 - total flux cleaned = -0.000975905 Jy ! Component: 2900 - total flux cleaned = -0.000989291 Jy ! Component: 2950 - total flux cleaned = -0.000999282 Jy ! Component: 3000 - total flux cleaned = -0.00101583 Jy ! Component: 3050 - total flux cleaned = -0.00103225 Jy ! Component: 3100 - total flux cleaned = -0.00104528 Jy ! Component: 3150 - total flux cleaned = -0.00106144 Jy ! Component: 3200 - total flux cleaned = -0.00108399 Jy ! Component: 3250 - total flux cleaned = -0.0010936 Jy ! Component: 3300 - total flux cleaned = -0.00111589 Jy ! Component: 3350 - total flux cleaned = -0.00112225 Jy ! Component: 3400 - total flux cleaned = -0.00113167 Jy ! Component: 3450 - total flux cleaned = -0.00114734 Jy ! Component: 3500 - total flux cleaned = -0.00115978 Jy ! Component: 3550 - total flux cleaned = -0.00118145 Jy ! Component: 3600 - total flux cleaned = -0.00118146 Jy ! Component: 3650 - total flux cleaned = -0.00119676 Jy ! Component: 3700 - total flux cleaned = -0.00121196 Jy ! Component: 3750 - total flux cleaned = -0.00121197 Jy ! Component: 3800 - total flux cleaned = -0.00123608 Jy ! Component: 3850 - total flux cleaned = -0.00124507 Jy ! Component: 3900 - total flux cleaned = -0.00125998 Jy ! Component: 3950 - total flux cleaned = -0.00127187 Jy ! Component: 4000 - total flux cleaned = -0.0012837 Jy ! Component: 4050 - total flux cleaned = -0.00131011 Jy ! Total flux subtracted in 4096 components = -0.00132766 Jy ! Clean residual min=-0.000173 max=0.000167 Jy/beam ! Clean residual mean=-0.000001 rms=0.000053 Jy/beam ! Combined flux in latest and established models = 0.00934977 Jy keep ! Adding 271 model components to the UV plane model. ! The established model now contains 316 components and 0.00934977 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J0047+5447_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.104 x 3.956 at -31.84 degrees (North through East) ! Clean map min=-0.00032679 max=0.0094949 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J0047+5447_C_map.fits wmodel /vlbi/sb072/temp_maps//J0047+5447_C_map.mod ! Writing 316 model components to file: /vlbi/sb072/temp_maps//J0047+5447_C_map.mod wobs /vlbi/sb072/temp_maps//J0047+5447_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J0047+5447_C_uvs.fits wwins /vlbi/sb072/temp_maps//J0047+5447_C_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J0047+5447_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.00949489 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.34658e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.6893 1.6893 3.3786 6.75721 13.5144 27.0288 54.0577 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.009 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 177.588 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J0047+5447_C_dfm.log closed on Sat Jan 12 21:44:54 2019