! Started logfile: /vlbi/sb072/temp_maps//J1837-1648_X_dfm.log on Tue Mar 5 23:28:46 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1837-1648_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1837-1648_X_uva.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1837-1648 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 5152 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1837-1648_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. ! ! 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=1.000440Jy sigma=34.200384 ! Fit after self-cal, rms=0.992573Jy sigma=33.931142 ! 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=1.002 mas, bmaj=3.103 mas, bpa=3.021 degrees ! Estimated noise=0.771216 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, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00550844 Jy ! Component: 100 - total flux cleaned = 0.00726197 Jy ! Total flux subtracted in 100 components = 0.00726197 Jy ! Clean residual min=-0.001614 max=0.001640 Jy/beam ! Clean residual mean=0.000003 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.00726197 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.00726197 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=0.020533Jy sigma=0.671062 ! Fit after self-cal, rms=0.019314Jy sigma=0.629335 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00320314 Jy ! Component: 100 - total flux cleaned = 0.00397065 Jy ! Total flux subtracted in 100 components = 0.00397065 Jy ! Clean residual min=-0.001931 max=0.001787 Jy/beam ! Clean residual mean=0.000004 rms=0.000401 Jy/beam ! Combined flux in latest and established models = 0.0112326 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 0.0112326 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=0.018782Jy sigma=0.610528 ! Fit after self-cal, rms=0.018779Jy sigma=0.610443 ! 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=1.265 mas, bmaj=3.478 mas, bpa=1.643 degrees ! Estimated noise=0.292716 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 = 0.000681352 Jy ! Component: 100 - total flux cleaned = 0.00066011 Jy ! Component: 150 - total flux cleaned = 0.000619387 Jy ! Component: 200 - total flux cleaned = 0.000620077 Jy ! Total flux subtracted in 200 components = 0.000620077 Jy ! Clean residual min=-0.000690 max=0.000672 Jy/beam ! Clean residual mean=0.000006 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.0118527 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 0.0118527 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=0.018753Jy sigma=0.609503 ! Fit after self-cal, rms=0.018754Jy sigma=0.609468 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.265 x 3.478 at 1.643 degrees (North through East) ! Clean map min=-0.00067705 max=0.010247 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 0.96 KP 0.70 LA 1.00 ! NL 1.15 OV 1.00 PT 1.09 SC 1.10 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 0.90 KP 1.01 LA 0.96 ! NL 1.01 OV 1.20 PT 1.06 SC 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 HN 1.12 KP 0.97 LA 1.14 ! NL 1.03 OV 1.02 PT 1.15 SC 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.04 KP 1.06 LA 0.97 ! NL 1.15 OV 1.05 PT 1.01 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 HN 1.07 KP 0.90 LA 1.30 ! NL 1.00 OV 1.06 PT 1.02 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.88 HN 1.02 KP 0.82 LA 1.14 ! NL 0.84 OV 1.02 PT 1.06 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 0.85 KP 0.97 LA 0.91 ! NL 1.10 OV 0.98 PT 1.13 SC 0.92 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 0.81 KP 0.97 LA 0.97 ! NL 1.01 OV 1.14 PT 0.94 SC 0.88 ! ! ! Fit before self-cal, rms=0.018754Jy sigma=0.609468 ! Fit after self-cal, rms=0.018670Jy sigma=0.606853 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.248 mas, bmaj=3.426 mas, bpa=1.849 degrees ! Estimated noise=0.288845 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 = 0.000187237 Jy ! Component: 100 - total flux cleaned = 0.0002205 Jy ! Component: 150 - total flux cleaned = 0.000220665 Jy ! Component: 200 - total flux cleaned = 0.000223478 Jy ! Total flux subtracted in 200 components = 0.000223478 Jy ! Clean residual min=-0.000609 max=0.000612 Jy/beam ! Clean residual mean=0.000004 rms=0.000159 Jy/beam ! Combined flux in latest and established models = 0.0120762 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 33 components and 0.0120762 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=0.018668Jy sigma=0.606776 ! Fit after self-cal, rms=0.018728Jy sigma=0.605660 ! 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=0.018728Jy sigma=0.605660 ! Fit after self-cal, rms=0.019103Jy sigma=0.605281 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.242 mas, bmaj=3.401 mas, bpa=1.77 degrees ! Estimated noise=0.289787 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000181807 Jy ! Component: 100 - total flux cleaned = 0.000207705 Jy ! Component: 150 - total flux cleaned = 0.000210864 Jy ! Component: 200 - total flux cleaned = 0.000216011 Jy ! Total flux subtracted in 200 components = 0.000216011 Jy ! Clean residual min=-0.000582 max=0.000584 Jy/beam ! Clean residual mean=0.000004 rms=0.000152 Jy/beam ! Combined flux in latest and established models = 0.0122922 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 46 components and 0.0122922 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=0.019101Jy sigma=0.605216 ! Fit after self-cal, rms=0.019151Jy sigma=0.604984 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 = 6.10263e-06 Jy ! Component: 100 - total flux cleaned = 9.43268e-06 Jy ! Component: 150 - total flux cleaned = 1.23567e-05 Jy ! Component: 200 - total flux cleaned = 1.51236e-05 Jy ! Total flux subtracted in 200 components = 1.51236e-05 Jy ! Clean residual min=-0.000561 max=0.000585 Jy/beam ! Clean residual mean=0.000005 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0123073 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 50 components and 0.0123073 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=0.019149Jy sigma=0.604958 ! Fit after self-cal, rms=0.019149Jy sigma=0.604943 ! 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=0.019149Jy sigma=0.604943 ! Fit after self-cal, rms=0.019337Jy sigma=0.604834 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.239 mas, bmaj=3.386 mas, bpa=1.592 degrees ! Estimated noise=0.290008 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000137508 Jy ! Component: 100 - total flux cleaned = 0.000160732 Jy ! Component: 150 - total flux cleaned = 0.000169195 Jy ! Component: 200 - total flux cleaned = 0.000179316 Jy ! Total flux subtracted in 200 components = 0.000179316 Jy ! Clean residual min=-0.000562 max=0.000574 Jy/beam ! Clean residual mean=0.000004 rms=0.000152 Jy/beam ! Combined flux in latest and established models = 0.0124866 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 56 components and 0.0124866 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=0.019335Jy sigma=0.604797 ! Fit after self-cal, rms=0.019359Jy sigma=0.604650 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 = 8.84921e-06 Jy ! Component: 100 - total flux cleaned = 1.5023e-05 Jy ! Component: 150 - total flux cleaned = 2.02972e-05 Jy ! Component: 200 - total flux cleaned = 2.26628e-05 Jy ! Total flux subtracted in 200 components = 2.26628e-05 Jy ! Clean residual min=-0.000584 max=0.000569 Jy/beam ! Clean residual mean=0.000005 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0125093 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 0.0125093 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=0.019358Jy sigma=0.604631 ! Fit after self-cal, rms=0.019359Jy sigma=0.604626 ! 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. ! ! Fit before self-cal, rms=0.019359Jy sigma=0.604626 ! Fit after self-cal, rms=0.019482Jy sigma=0.604577 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.1 mas, bmaj=4.473 mas, bpa=-8.217 degrees ! Estimated noise=0.348915 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000175946 Jy ! Component: 100 - total flux cleaned = 0.000204748 Jy ! Component: 150 - total flux cleaned = 0.000204873 Jy ! Component: 200 - total flux cleaned = 0.000205032 Jy ! Total flux subtracted in 200 components = 0.000205032 Jy ! Clean residual min=-0.000658 max=0.000688 Jy/beam ! Clean residual mean=0.000008 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.0127143 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 64 components and 0.0127143 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=0.019481Jy sigma=0.604571 ! Fit after self-cal, rms=0.019499Jy sigma=0.604529 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 = 3.41794e-05 Jy ! Component: 100 - total flux cleaned = 3.10886e-05 Jy ! Component: 150 - total flux cleaned = 3.11379e-05 Jy ! Component: 200 - total flux cleaned = 3.13361e-05 Jy ! Total flux subtracted in 200 components = 3.13361e-05 Jy ! Clean residual min=-0.000649 max=0.000685 Jy/beam ! Clean residual mean=0.000008 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.0127457 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 66 components and 0.0127457 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=0.019499Jy sigma=0.604540 ! Fit after self-cal, rms=0.019496Jy sigma=0.604417 ! 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=1.236 mas, bmaj=3.372 mas, bpa=1.452 degrees ! Estimated noise=0.290251 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.236 x 3.372 at 1.452 degrees (North through East) ! Clean map min=-0.00054309 max=0.010071 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=0.9907 mas, bmaj=3.049 mas, bpa=2.812 degrees ! Estimated noise=0.746911 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00757953 Jy ! Component: 100 - total flux cleaned = 0.0100062 Jy ! Component: 150 - total flux cleaned = 0.0110709 Jy ! Component: 200 - total flux cleaned = 0.0114734 Jy ! Total flux subtracted in 200 components = 0.0114734 Jy ! Clean residual min=-0.001774 max=0.001597 Jy/beam ! Clean residual mean=0.000004 rms=0.000379 Jy/beam ! Combined flux in latest and established models = 0.0114734 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0114734 Jy ! Inverting map and beam ! Estimated beam: bmin=1.236 mas, bmaj=3.372 mas, bpa=1.452 degrees ! Estimated noise=0.290251 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 = 0.00085444 Jy ! Component: 100 - total flux cleaned = 0.00115073 Jy ! Component: 150 - total flux cleaned = 0.00120404 Jy ! Component: 200 - total flux cleaned = 0.00122601 Jy ! Total flux subtracted in 200 components = 0.00122601 Jy ! Clean residual min=-0.000602 max=0.000609 Jy/beam ! Clean residual mean=0.000005 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.0126994 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.0126994 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=2.1 mas, bmaj=4.473 mas, bpa=-8.217 degrees ! Estimated noise=0.348915 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.37744e-05 Jy ! Component: 100 - total flux cleaned = 7.15957e-05 Jy ! Component: 150 - total flux cleaned = 6.16009e-05 Jy ! Component: 200 - total flux cleaned = 6.45589e-05 Jy ! Total flux subtracted in 200 components = 6.45589e-05 Jy ! Clean residual min=-0.000641 max=0.000720 Jy/beam ! Clean residual mean=0.000008 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.012764 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 = -1.15743e-07 Jy ! Component: 100 - total flux cleaned = -3.63651e-07 Jy ! Component: 150 - total flux cleaned = -6.58711e-07 Jy ! Component: 200 - total flux cleaned = -2.88175e-06 Jy ! Total flux subtracted in 200 components = -2.88175e-06 Jy ! Clean residual min=-0.000635 max=0.000720 Jy/beam ! Clean residual mean=0.000008 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0127611 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 0.0127611 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.236 mas, bmaj=3.372 mas, bpa=1.452 degrees ! Estimated noise=0.290251 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.46715e-06 Jy ! Component: 100 - total flux cleaned = -1.14592e-05 Jy ! Component: 150 - total flux cleaned = -1.5948e-05 Jy ! Component: 200 - total flux cleaned = -2.34761e-05 Jy ! Total flux subtracted in 200 components = -2.34761e-05 Jy ! Clean residual min=-0.000583 max=0.000560 Jy/beam ! Clean residual mean=0.000005 rms=0.000152 Jy/beam ! Combined flux in latest and established models = 0.0127376 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 39 components and 0.0127376 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=0.019496Jy sigma=0.604446 ! Fit after self-cal, rms=0.019496Jy sigma=0.604433 wmodel J1837-1648_X_map.mod ! Writing 39 model components to file: J1837-1648_X_map.mod wobs J1837-1648_X_uvs.fits ! Writing UV FITS file: J1837-1648_X_uvs.fits wwins J1837-1648_X_map.win ! wwins: Wrote 1 windows to J1837-1648_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 = -3.34344e-05 Jy ! Component: 100 - total flux cleaned = -5.24693e-05 Jy ! Component: 150 - total flux cleaned = -6.93052e-05 Jy ! Component: 200 - total flux cleaned = -7.74367e-05 Jy ! Component: 250 - total flux cleaned = -0.000107986 Jy ! Component: 300 - total flux cleaned = -0.000115275 Jy ! Component: 350 - total flux cleaned = -0.000129094 Jy ! Component: 400 - total flux cleaned = -0.000142198 Jy ! Component: 450 - total flux cleaned = -0.000148451 Jy ! Component: 500 - total flux cleaned = -0.000142228 Jy ! Component: 550 - total flux cleaned = -0.0001305 Jy ! Component: 600 - total flux cleaned = -0.000141639 Jy ! Component: 650 - total flux cleaned = -0.0001416 Jy ! Component: 700 - total flux cleaned = -0.000162831 Jy ! Component: 750 - total flux cleaned = -0.000193658 Jy ! Component: 800 - total flux cleaned = -0.000218579 Jy ! Component: 850 - total flux cleaned = -0.000257543 Jy ! Component: 900 - total flux cleaned = -0.000304856 Jy ! Component: 950 - total flux cleaned = -0.000323278 Jy ! Component: 1000 - total flux cleaned = -0.000350266 Jy ! Component: 1050 - total flux cleaned = -0.000359029 Jy ! Component: 1100 - total flux cleaned = -0.000384952 Jy ! Component: 1150 - total flux cleaned = -0.000406078 Jy ! Component: 1200 - total flux cleaned = -0.000430926 Jy ! Component: 1250 - total flux cleaned = -0.000455231 Jy ! Component: 1300 - total flux cleaned = -0.000475073 Jy ! Component: 1350 - total flux cleaned = -0.000506312 Jy ! Component: 1400 - total flux cleaned = -0.00053678 Jy ! Component: 1450 - total flux cleaned = -0.000544286 Jy ! Component: 1500 - total flux cleaned = -0.00057019 Jy ! Component: 1550 - total flux cleaned = -0.000606412 Jy ! Component: 1600 - total flux cleaned = -0.000617046 Jy ! Component: 1650 - total flux cleaned = -0.000631017 Jy ! Component: 1700 - total flux cleaned = -0.000648231 Jy ! Component: 1750 - total flux cleaned = -0.000658456 Jy ! Component: 1800 - total flux cleaned = -0.000678584 Jy ! Component: 1850 - total flux cleaned = -0.000691813 Jy ! Component: 1900 - total flux cleaned = -0.000698374 Jy ! Component: 1950 - total flux cleaned = -0.000704903 Jy ! Component: 2000 - total flux cleaned = -0.00071771 Jy ! Component: 2050 - total flux cleaned = -0.000736621 Jy ! Component: 2100 - total flux cleaned = -0.000755195 Jy ! Component: 2150 - total flux cleaned = -0.000770457 Jy ! Component: 2200 - total flux cleaned = -0.00076734 Jy ! Component: 2250 - total flux cleaned = -0.000773367 Jy ! Component: 2300 - total flux cleaned = -0.000782325 Jy ! Component: 2350 - total flux cleaned = -0.000791194 Jy ! Component: 2400 - total flux cleaned = -0.000802939 Jy ! Component: 2450 - total flux cleaned = -0.000805834 Jy ! Component: 2500 - total flux cleaned = -0.000814445 Jy ! Component: 2550 - total flux cleaned = -0.000820158 Jy ! Component: 2600 - total flux cleaned = -0.000828635 Jy ! Component: 2650 - total flux cleaned = -0.000839864 Jy ! Component: 2700 - total flux cleaned = -0.000837105 Jy ! Component: 2750 - total flux cleaned = -0.00083991 Jy ! Component: 2800 - total flux cleaned = -0.000850879 Jy ! Component: 2850 - total flux cleaned = -0.00085087 Jy ! Component: 2900 - total flux cleaned = -0.000853562 Jy ! Component: 2950 - total flux cleaned = -0.000861652 Jy ! Component: 3000 - total flux cleaned = -0.000869677 Jy ! Component: 3050 - total flux cleaned = -0.000882987 Jy ! Component: 3100 - total flux cleaned = -0.000893576 Jy ! Component: 3150 - total flux cleaned = -0.000901475 Jy ! Component: 3200 - total flux cleaned = -0.000909337 Jy ! Component: 3250 - total flux cleaned = -0.000924988 Jy ! Component: 3300 - total flux cleaned = -0.000924978 Jy ! Component: 3350 - total flux cleaned = -0.000932752 Jy ! Component: 3400 - total flux cleaned = -0.000937918 Jy ! Component: 3450 - total flux cleaned = -0.00094564 Jy ! Component: 3500 - total flux cleaned = -0.000948212 Jy ! Component: 3550 - total flux cleaned = -0.000955866 Jy ! Component: 3600 - total flux cleaned = -0.000953318 Jy ! Component: 3650 - total flux cleaned = -0.000958386 Jy ! Component: 3700 - total flux cleaned = -0.000963452 Jy ! Component: 3750 - total flux cleaned = -0.000963433 Jy ! Component: 3800 - total flux cleaned = -0.000968473 Jy ! Component: 3850 - total flux cleaned = -0.000965952 Jy ! Component: 3900 - total flux cleaned = -0.000970976 Jy ! Component: 3950 - total flux cleaned = -0.000973483 Jy ! Component: 4000 - total flux cleaned = -0.00097098 Jy ! Component: 4050 - total flux cleaned = -0.000973488 Jy ! Total flux subtracted in 4096 components = -0.000980985 Jy ! Clean residual min=-0.000205 max=0.000134 Jy/beam ! Clean residual mean=0.000000 rms=0.000043 Jy/beam ! Combined flux in latest and established models = 0.0117567 Jy keep ! Adding 264 model components to the UV plane model. ! The established model now contains 303 components and 0.0117567 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1837-1648_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.236 x 3.372 at 1.452 degrees (North through East) ! Clean map min=-0.00032332 max=0.009999 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1837-1648_X_map.fits wmodel /vlbi/sb072/temp_maps//J1837-1648_X_map.mod ! Writing 303 model components to file: /vlbi/sb072/temp_maps//J1837-1648_X_map.mod wobs /vlbi/sb072/temp_maps//J1837-1648_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1837-1648_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1837-1648_X_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J1837-1648_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.00999896 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.39882e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.31978 1.31978 2.63956 5.27913 10.5583 21.1165 42.233 84.466 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= 227.31 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1837-1648_X_dfm.log closed on Tue Mar 5 23:28:50 2019