! Started logfile: /vlbi/sb072/temp_maps//J1837+5347_C_dfm.log on Fri Jan 25 19:43:52 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//J1837+5347_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1837+5347_C_uva.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1837+5347 ! ! 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 94 lines of history. ! ! Reading 6840 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 J1837+5347_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=1.000728Jy sigma=49.577999 ! Fit after self-cal, rms=0.956156Jy sigma=47.446349 ! 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=1.188 mas, bmaj=4.785 mas, bpa=-12.78 degrees ! Estimated noise=0.342599 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 = 0.0345336 Jy ! Component: 100 - total flux cleaned = 0.0420642 Jy ! Total flux subtracted in 100 components = 0.0420642 Jy ! Clean residual min=-0.002631 max=0.002971 Jy/beam ! Clean residual mean=0.000002 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.0420642 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.0420642 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=0.017177Jy sigma=0.808967 ! Fit after self-cal, rms=0.016816Jy sigma=0.790588 ! 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=1.579 mas, bmaj=4.861 mas, bpa=-12.53 degrees ! Estimated noise=0.175296 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 (33.3, -42.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00213379 Jy ! Component: 100 - total flux cleaned = 0.002092 Jy ! Component: 150 - total flux cleaned = 0.00189963 Jy ! Component: 200 - total flux cleaned = 0.00186939 Jy ! Total flux subtracted in 200 components = 0.00186939 Jy ! Clean residual min=-0.001904 max=0.002615 Jy/beam ! Clean residual mean=0.000003 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.0439335 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0439335 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=0.016395Jy sigma=0.773386 ! Fit after self-cal, rms=0.016351Jy sigma=0.771387 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.579 x 4.861 at -12.53 degrees (North through East) ! Clean map min=-0.0018338 max=0.043084 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.11 HN 1.07 KP 1.11 ! LA 1.16 MK 1.09 NL 1.28 OV 1.15 ! PT 1.00 SC 1.08 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.02 HN 1.03 KP 1.05 ! LA 1.18 MK 1.02 NL 1.18 OV 1.14 ! PT 1.01 SC 1.13 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 0.96 HN 0.97 KP 0.94 ! LA 1.05 MK 1.06 NL 1.12 OV 1.06 ! PT 1.32 SC 1.09 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.91 HN 0.98 KP 0.95 ! LA 1.15 MK 0.93 NL 1.19 OV 0.93 ! PT 0.86 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.88 HN 0.90 KP 0.91 ! LA 1.10 MK 0.87 NL 1.01 OV 0.97 ! PT 0.81 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.89 HN 0.89 KP 0.87 ! LA 1.07 MK 0.91 NL 0.98 OV 0.93 ! PT 0.83 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.88 HN 0.88 KP 0.88 ! LA 1.09 MK 0.92 NL 0.97 OV 0.93 ! PT 0.85 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.85 HN 0.90 KP 0.84 ! LA 1.14 MK 0.90 NL 0.98 OV 0.92 ! PT 0.84 SC 0.96 ! ! ! Fit before self-cal, rms=0.016351Jy sigma=0.771387 ! Fit after self-cal, rms=0.014002Jy sigma=0.665831 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.559 mas, bmaj=4.841 mas, bpa=-12.9 degrees ! Estimated noise=0.174214 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 = -0.000845825 Jy ! Component: 100 - total flux cleaned = -0.000896412 Jy ! Component: 150 - total flux cleaned = -0.000885763 Jy ! Component: 200 - total flux cleaned = -0.000895769 Jy ! Total flux subtracted in 200 components = -0.000895769 Jy ! Clean residual min=-0.000543 max=0.000503 Jy/beam ! Clean residual mean=-0.000000 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.0430378 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 37 components and 0.0430378 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=0.013944Jy sigma=0.663444 ! Fit after self-cal, rms=0.013937Jy sigma=0.662822 ! 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=0.013937Jy sigma=0.662822 ! Fit after self-cal, rms=0.013898Jy sigma=0.662495 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.557 mas, bmaj=4.838 mas, bpa=-12.92 degrees ! Estimated noise=0.173711 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00039784 Jy ! Component: 100 - total flux cleaned = -0.000399673 Jy ! Component: 150 - total flux cleaned = -0.00042205 Jy ! Component: 200 - total flux cleaned = -0.000415485 Jy ! Total flux subtracted in 200 components = -0.000415485 Jy ! Clean residual min=-0.000457 max=0.000448 Jy/beam ! Clean residual mean=-0.000000 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.0426223 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 48 components and 0.0426223 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=0.013880Jy sigma=0.661817 ! Fit after self-cal, rms=0.013878Jy sigma=0.661711 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 = -0.000127275 Jy ! Component: 100 - total flux cleaned = -0.000116016 Jy ! Component: 150 - total flux cleaned = -9.04246e-05 Jy ! Component: 200 - total flux cleaned = -7.64032e-05 Jy ! Total flux subtracted in 200 components = -7.64032e-05 Jy ! Clean residual min=-0.000437 max=0.000426 Jy/beam ! Clean residual mean=-0.000000 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.0425459 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 65 components and 0.0425459 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=0.013873Jy sigma=0.661514 ! Fit after self-cal, rms=0.013873Jy sigma=0.661500 ! 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=0.013873Jy sigma=0.661500 ! Fit after self-cal, rms=0.013854Jy sigma=0.661352 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.555 mas, bmaj=4.837 mas, bpa=-12.94 degrees ! Estimated noise=0.173437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00014459 Jy ! Component: 100 - total flux cleaned = -0.00012555 Jy ! Component: 150 - total flux cleaned = -9.49801e-05 Jy ! Component: 200 - total flux cleaned = -7.88263e-05 Jy ! Total flux subtracted in 200 components = -7.88263e-05 Jy ! Clean residual min=-0.000419 max=0.000424 Jy/beam ! Clean residual mean=-0.000000 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0424671 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 77 components and 0.0424671 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=0.013850Jy sigma=0.661183 ! Fit after self-cal, rms=0.013849Jy sigma=0.661167 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 = -5.38992e-05 Jy ! Component: 100 - total flux cleaned = -4.28282e-05 Jy ! Component: 150 - total flux cleaned = -2.89791e-05 Jy ! Component: 200 - total flux cleaned = -1.61165e-05 Jy ! Total flux subtracted in 200 components = -1.61165e-05 Jy ! Clean residual min=-0.000414 max=0.000414 Jy/beam ! Clean residual mean=-0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0424509 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 83 components and 0.0424509 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=0.013847Jy sigma=0.661090 ! Fit after self-cal, rms=0.013848Jy sigma=0.661087 ! 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=0.013848Jy sigma=0.661087 ! Fit after self-cal, rms=0.013835Jy sigma=0.661052 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.514 mas, bmaj=5.258 mas, bpa=-16.39 degrees ! Estimated noise=0.219996 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000101077 Jy ! Component: 100 - total flux cleaned = -6.00973e-05 Jy ! Component: 150 - total flux cleaned = -3.26902e-05 Jy ! Component: 200 - total flux cleaned = -1.39859e-05 Jy ! Total flux subtracted in 200 components = -1.39859e-05 Jy ! Clean residual min=-0.000500 max=0.000498 Jy/beam ! Clean residual mean=-0.000000 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.042437 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 100 components and 0.042437 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=0.013835Jy sigma=0.661089 ! Fit after self-cal, rms=0.013835Jy sigma=0.661076 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 = -2.16664e-05 Jy ! Component: 100 - total flux cleaned = -5.47345e-06 Jy ! Component: 150 - total flux cleaned = 7.08585e-06 Jy ! Component: 200 - total flux cleaned = 1.68185e-05 Jy ! Total flux subtracted in 200 components = 1.68185e-05 Jy ! Clean residual min=-0.000497 max=0.000495 Jy/beam ! Clean residual mean=-0.000000 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0424538 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 106 components and 0.0424538 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=0.013835Jy sigma=0.661093 ! Fit after self-cal, rms=0.013835Jy sigma=0.661091 ! 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=1.554 mas, bmaj=4.835 mas, bpa=-12.95 degrees ! Estimated noise=0.173265 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.554 x 4.835 at -12.95 degrees (North through East) ! Clean map min=-0.00044965 max=0.042919 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=1.164 mas, bmaj=4.749 mas, bpa=-13.25 degrees ! Estimated noise=0.332082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0335395 Jy ! Component: 100 - total flux cleaned = 0.0408532 Jy ! Component: 150 - total flux cleaned = 0.0422336 Jy ! Component: 200 - total flux cleaned = 0.0423746 Jy ! Total flux subtracted in 200 components = 0.0423746 Jy ! Clean residual min=-0.000802 max=0.000749 Jy/beam ! Clean residual mean=0.000000 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0423746 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0423746 Jy ! Inverting map and beam ! Estimated beam: bmin=1.554 mas, bmaj=4.835 mas, bpa=-12.95 degrees ! Estimated noise=0.173265 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 = 0.000115239 Jy ! Component: 100 - total flux cleaned = 8.64282e-05 Jy ! Component: 150 - total flux cleaned = 7.38943e-05 Jy ! Component: 200 - total flux cleaned = 6.48458e-05 Jy ! Total flux subtracted in 200 components = 6.48458e-05 Jy ! Clean residual min=-0.000428 max=0.000438 Jy/beam ! Clean residual mean=-0.000000 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.0424395 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 36 components and 0.0424395 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=3.514 mas, bmaj=5.258 mas, bpa=-16.39 degrees ! Estimated noise=0.219996 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.11979e-06 Jy ! Component: 100 - total flux cleaned = 3.33966e-05 Jy ! Component: 150 - total flux cleaned = 2.84006e-05 Jy ! Component: 200 - total flux cleaned = 2.36169e-05 Jy ! Total flux subtracted in 200 components = 2.36169e-05 Jy ! Clean residual min=-0.000461 max=0.000490 Jy/beam ! Clean residual mean=-0.000000 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 0.0424631 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 = 5.6787e-08 Jy ! Component: 100 - total flux cleaned = 1.82484e-07 Jy ! Component: 150 - total flux cleaned = 2.17113e-07 Jy ! Component: 200 - total flux cleaned = -3.04199e-06 Jy ! Total flux subtracted in 200 components = -3.04199e-06 Jy ! Clean residual min=-0.000470 max=0.000488 Jy/beam ! Clean residual mean=-0.000000 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0424601 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 67 components and 0.04246 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.554 mas, bmaj=4.835 mas, bpa=-12.95 degrees ! Estimated noise=0.173265 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000134607 Jy ! Component: 100 - total flux cleaned = 0.000182985 Jy ! Component: 150 - total flux cleaned = 0.000178348 Jy ! Component: 200 - total flux cleaned = 0.000164044 Jy ! Total flux subtracted in 200 components = 0.000164044 Jy ! Clean residual min=-0.000389 max=0.000414 Jy/beam ! Clean residual mean=-0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0426241 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 83 components and 0.0426241 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=0.013837Jy sigma=0.661192 ! Fit after self-cal, rms=0.013837Jy sigma=0.661144 wmodel J1837+5347_C_map.mod ! Writing 83 model components to file: J1837+5347_C_map.mod wobs J1837+5347_C_uvs.fits ! Writing UV FITS file: J1837+5347_C_uvs.fits wwins J1837+5347_C_map.win ! wwins: Wrote 2 windows to J1837+5347_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 = 7.71987e-05 Jy ! Component: 100 - total flux cleaned = 0.000140706 Jy ! Component: 150 - total flux cleaned = 0.000194069 Jy ! Component: 200 - total flux cleaned = 0.00025226 Jy ! Component: 250 - total flux cleaned = 0.000296338 Jy ! Component: 300 - total flux cleaned = 0.000339322 Jy ! Component: 350 - total flux cleaned = 0.000363308 Jy ! Component: 400 - total flux cleaned = 0.000386715 Jy ! Component: 450 - total flux cleaned = 0.000392388 Jy ! Component: 500 - total flux cleaned = 0.000414788 Jy ! Component: 550 - total flux cleaned = 0.000436753 Jy ! Component: 600 - total flux cleaned = 0.000463779 Jy ! Component: 650 - total flux cleaned = 0.000484982 Jy ! Component: 700 - total flux cleaned = 0.000495443 Jy ! Component: 750 - total flux cleaned = 0.000521267 Jy ! Component: 800 - total flux cleaned = 0.000521245 Jy ! Component: 850 - total flux cleaned = 0.000546302 Jy ! Component: 900 - total flux cleaned = 0.000546277 Jy ! Component: 950 - total flux cleaned = 0.000551117 Jy ! Component: 1000 - total flux cleaned = 0.000551083 Jy ! Component: 1050 - total flux cleaned = 0.000546344 Jy ! Component: 1100 - total flux cleaned = 0.000546332 Jy ! Component: 1150 - total flux cleaned = 0.000541678 Jy ! Component: 1200 - total flux cleaned = 0.000541604 Jy ! Component: 1250 - total flux cleaned = 0.000518925 Jy ! Component: 1300 - total flux cleaned = 0.00052336 Jy ! Component: 1350 - total flux cleaned = 0.000505526 Jy ! Component: 1400 - total flux cleaned = 0.00049665 Jy ! Component: 1450 - total flux cleaned = 0.000487879 Jy ! Component: 1500 - total flux cleaned = 0.000474933 Jy ! Component: 1550 - total flux cleaned = 0.000462045 Jy ! Component: 1600 - total flux cleaned = 0.00045357 Jy ! Component: 1650 - total flux cleaned = 0.000415813 Jy ! Component: 1700 - total flux cleaned = 0.000411668 Jy ! Component: 1750 - total flux cleaned = 0.000391103 Jy ! Component: 1800 - total flux cleaned = 0.000378849 Jy ! Component: 1850 - total flux cleaned = 0.000382862 Jy ! Component: 1900 - total flux cleaned = 0.000386864 Jy ! Component: 1950 - total flux cleaned = 0.000374816 Jy ! Component: 2000 - total flux cleaned = 0.000366899 Jy ! Component: 2050 - total flux cleaned = 0.000374774 Jy ! Component: 2100 - total flux cleaned = 0.000374778 Jy ! Component: 2150 - total flux cleaned = 0.00036317 Jy ! Component: 2200 - total flux cleaned = 0.000359356 Jy ! Component: 2250 - total flux cleaned = 0.000363212 Jy ! Component: 2300 - total flux cleaned = 0.000351899 Jy ! Component: 2350 - total flux cleaned = 0.00034814 Jy ! Component: 2400 - total flux cleaned = 0.000351851 Jy ! Component: 2450 - total flux cleaned = 0.00033333 Jy ! Component: 2500 - total flux cleaned = 0.000318628 Jy ! Component: 2550 - total flux cleaned = 0.000304042 Jy ! Component: 2600 - total flux cleaned = 0.000307677 Jy ! Component: 2650 - total flux cleaned = 0.000304018 Jy ! Component: 2700 - total flux cleaned = 0.000282571 Jy ! Component: 2750 - total flux cleaned = 0.000286126 Jy ! Component: 2800 - total flux cleaned = 0.000261414 Jy ! Component: 2850 - total flux cleaned = 0.000247394 Jy ! Component: 2900 - total flux cleaned = 0.00023694 Jy ! Component: 2950 - total flux cleaned = 0.000233468 Jy ! Component: 3000 - total flux cleaned = 0.000219672 Jy ! Component: 3050 - total flux cleaned = 0.000212834 Jy ! Component: 3100 - total flux cleaned = 0.000195838 Jy ! Component: 3150 - total flux cleaned = 0.000195819 Jy ! Component: 3200 - total flux cleaned = 0.000172244 Jy ! Component: 3250 - total flux cleaned = 0.000165598 Jy ! Component: 3300 - total flux cleaned = 0.00015563 Jy ! Component: 3350 - total flux cleaned = 0.000142411 Jy ! Component: 3400 - total flux cleaned = 0.000129295 Jy ! Component: 3450 - total flux cleaned = 0.000116247 Jy ! Component: 3500 - total flux cleaned = 0.000109766 Jy ! Component: 3550 - total flux cleaned = 0.00010008 Jy ! Component: 3600 - total flux cleaned = 9.36289e-05 Jy ! Component: 3650 - total flux cleaned = 6.80393e-05 Jy ! Component: 3700 - total flux cleaned = 5.85235e-05 Jy ! Component: 3750 - total flux cleaned = 4.2688e-05 Jy ! Component: 3800 - total flux cleaned = 3.01061e-05 Jy ! Component: 3850 - total flux cleaned = 1.13344e-05 Jy ! Component: 3900 - total flux cleaned = 1.75607e-05 Jy ! Component: 3950 - total flux cleaned = 2.03716e-06 Jy ! Component: 4000 - total flux cleaned = -1.03184e-05 Jy ! Component: 4050 - total flux cleaned = -2.25801e-05 Jy ! Total flux subtracted in 4096 components = -2.55899e-05 Jy ! Clean residual min=-0.000164 max=0.000205 Jy/beam ! Clean residual mean=-0.000000 rms=0.000056 Jy/beam ! Combined flux in latest and established models = 0.0425985 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 382 components and 0.0425985 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1837+5347_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.554 x 4.835 at -12.95 degrees (North through East) ! Clean map min=-0.00036281 max=0.042841 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1837+5347_C_map.fits wmodel /vlbi/sb072/temp_maps//J1837+5347_C_map.mod ! Writing 382 model components to file: /vlbi/sb072/temp_maps//J1837+5347_C_map.mod wobs /vlbi/sb072/temp_maps//J1837+5347_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1837+5347_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1837+5347_C_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1837+5347_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0428414 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.61141e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.392944 0.392944 0.785887 1.57177 3.14355 6.2871 12.5742 25.1484 50.2968 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.042 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 763.468 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1837+5347_C_dfm.log closed on Fri Jan 25 19:43:56 2019