! Started logfile: /tmp/maps//J2020+2826_C_20180605_dfm.log on Wed Jul 4 23:43:16 2018 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 /tmp/maps//J2020+2826_C_20180605_uva.fits ! Reading UV FITS file: /tmp/maps//J2020+2826_C_20180605_uva.fits ! AN table 1: 22 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.979798 visibilities/baseline/integration-bin. ! Found source: J2020+2826 ! ! 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 6208 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 J2020+2826_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. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002573Jy sigma=28.709070 ! Fit after self-cal, rms=0.927583Jy sigma=26.554219 ! 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=1.862 mas, bmaj=4.032 mas, bpa=4.714 degrees ! Estimated noise=0.490409 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 = 0.0441956 Jy ! Component: 100 - total flux cleaned = 0.0720899 Jy ! Total flux subtracted in 100 components = 0.0720899 Jy ! Clean residual min=-0.010946 max=0.021905 Jy/beam ! Clean residual mean=-0.000053 rms=0.003985 Jy/beam ! Combined flux in latest and established models = 0.0720899 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 42 components and 0.0720899 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=0.090853Jy sigma=2.564843 ! Fit after self-cal, rms=0.090140Jy sigma=2.544526 ! 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=2.261 mas, bmaj=4.358 mas, bpa=4.536 degrees ! Estimated noise=0.320816 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 = 0.044948 Jy ! Component: 100 - total flux cleaned = 0.0747623 Jy ! Component: 150 - total flux cleaned = 0.0953648 Jy ! Component: 200 - total flux cleaned = 0.10984 Jy ! Total flux subtracted in 200 components = 0.10984 Jy ! Clean residual min=-0.014744 max=0.023936 Jy/beam ! Clean residual mean=-0.000003 rms=0.005302 Jy/beam ! Combined flux in latest and established models = 0.18193 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 73 components and 0.18193 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=0.058050Jy sigma=1.636986 ! Fit after self-cal, rms=0.057341Jy sigma=1.619826 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.261 x 4.358 at 4.536 degrees (North through East) ! Clean map min=-0.013626 max=0.071839 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.90 FD 1.03 HN 0.96 KP 0.75 ! LA 0.80 NL 1.28 OV 1.49 PT 0.68 ! SC 1.28 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 2.00 FD 1.06 HN 0.96 KP 0.76 ! LA 0.78 NL 1.32 OV 1.58 PT 0.69 ! SC 1.24 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.80 FD 1.06 HN 0.90 KP 0.76 ! LA 0.81 NL 1.32 OV 1.42 PT 0.68 ! SC 1.79 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.86 FD 1.10 HN 0.83 KP 0.76 ! LA 0.81 NL 1.39 OV 1.50 PT 0.69 ! SC 1.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.86 FD 1.12 HN 0.94 KP 0.78 ! LA 0.82 NL 1.40 OV 1.62 PT 0.70 ! SC 2.48 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.61 FD 1.14 HN 0.92 KP 0.80 ! LA 0.84 NL 1.40 OV 1.55 PT 0.70 ! SC 2.33 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.36 FD 1.12 HN 0.90 KP 0.80 ! LA 0.86 NL 1.52 OV 1.51 PT 0.70 ! SC 2.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.40 FD 1.17 HN 0.98 KP 0.81 ! LA 0.87 NL 1.50 OV 1.53 PT 0.69 ! SC 2.71 ! ! ! Fit before self-cal, rms=0.057341Jy sigma=1.619826 ! Fit after self-cal, rms=0.070962Jy sigma=1.053932 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.668 mas, bmaj=4.578 mas, bpa=-8.88 degrees ! Estimated noise=0.371525 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 (6.9, -12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00890412 Jy ! Component: 100 - total flux cleaned = 0.00894333 Jy ! Component: 150 - total flux cleaned = 0.00750463 Jy ! Component: 200 - total flux cleaned = 0.00620834 Jy ! Total flux subtracted in 200 components = 0.00620834 Jy ! Clean residual min=-0.007610 max=0.011071 Jy/beam ! Clean residual mean=0.000005 rms=0.002046 Jy/beam ! Combined flux in latest and established models = 0.188138 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 106 components and 0.188138 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=0.065646Jy sigma=0.943673 ! Fit after self-cal, rms=0.065679Jy sigma=0.929134 ! 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=0.065679Jy sigma=0.929134 ! Fit after self-cal, rms=0.058249Jy sigma=0.916793 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.739 mas, bmaj=4.601 mas, bpa=-7.678 degrees ! Estimated noise=0.365944 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00314227 Jy ! Component: 100 - total flux cleaned = 0.00225583 Jy ! Component: 150 - total flux cleaned = 0.00147035 Jy ! Component: 200 - total flux cleaned = 0.000430738 Jy ! Total flux subtracted in 200 components = 0.000430738 Jy ! Clean residual min=-0.006501 max=0.009775 Jy/beam ! Clean residual mean=0.000006 rms=0.001717 Jy/beam ! Combined flux in latest and established models = 0.188569 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 123 components and 0.188569 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=0.055884Jy sigma=0.877007 ! Fit after self-cal, rms=0.055727Jy sigma=0.872711 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 (-5.7, 21.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00284715 Jy ! Component: 100 - total flux cleaned = 0.00237051 Jy ! Component: 150 - total flux cleaned = 0.00160093 Jy ! Component: 200 - total flux cleaned = 0.000599135 Jy ! Total flux subtracted in 200 components = 0.000599135 Jy ! Clean residual min=-0.005678 max=0.006495 Jy/beam ! Clean residual mean=0.000002 rms=0.001407 Jy/beam ! Combined flux in latest and established models = 0.189168 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 144 components and 0.189168 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=0.052978Jy sigma=0.821478 ! Fit after self-cal, rms=0.052825Jy sigma=0.819554 ! Inverting map ! Added new window around map position (-10.5, -14.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00337807 Jy ! Component: 100 - total flux cleaned = 0.00418038 Jy ! Component: 150 - total flux cleaned = 0.00419827 Jy ! Component: 200 - total flux cleaned = 0.00405094 Jy ! Total flux subtracted in 200 components = 0.00405094 Jy ! Clean residual min=-0.005157 max=0.004901 Jy/beam ! Clean residual mean=0.000001 rms=0.001162 Jy/beam ! Combined flux in latest and established models = 0.193219 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 181 components and 0.193219 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=0.050693Jy sigma=0.781878 ! Fit after self-cal, rms=0.050636Jy sigma=0.780661 ! 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=0.050636Jy sigma=0.780661 ! Fit after self-cal, rms=0.049429Jy sigma=0.773395 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.801 mas, bmaj=4.595 mas, bpa=-8.401 degrees ! Estimated noise=0.360821 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00230412 Jy ! Component: 100 - total flux cleaned = 0.00254169 Jy ! Component: 150 - total flux cleaned = 0.00253621 Jy ! Component: 200 - total flux cleaned = 0.00222277 Jy ! Total flux subtracted in 200 components = 0.00222277 Jy ! Clean residual min=-0.004106 max=0.004772 Jy/beam ! Clean residual mean=0.000003 rms=0.001005 Jy/beam ! Combined flux in latest and established models = 0.195441 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 208 components and 0.195441 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=0.048689Jy sigma=0.759343 ! Fit after self-cal, rms=0.048684Jy sigma=0.758601 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 (4.2, -0.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00237011 Jy ! Component: 100 - total flux cleaned = 0.00188828 Jy ! Component: 150 - total flux cleaned = 0.00177362 Jy ! Component: 200 - total flux cleaned = 0.0017667 Jy ! Total flux subtracted in 200 components = 0.0017667 Jy ! Clean residual min=-0.003441 max=0.003413 Jy/beam ! Clean residual mean=0.000002 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 0.197208 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 238 components and 0.197208 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=0.047885Jy sigma=0.740169 ! Fit after self-cal, rms=0.047783Jy sigma=0.739070 ! 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=0.047783Jy sigma=0.739070 ! Fit after self-cal, rms=0.046777Jy sigma=0.736324 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.287 mas, bmaj=5.574 mas, bpa=-18.46 degrees ! Estimated noise=0.350179 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117763 Jy ! Component: 100 - total flux cleaned = 0.00146808 Jy ! Component: 150 - total flux cleaned = 0.00130149 Jy ! Component: 200 - total flux cleaned = 0.000986712 Jy ! Total flux subtracted in 200 components = 0.000986712 Jy ! Clean residual min=-0.002818 max=0.002770 Jy/beam ! Clean residual mean=0.000003 rms=0.000729 Jy/beam ! Combined flux in latest and established models = 0.198195 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 255 components and 0.198195 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=0.046449Jy sigma=0.726980 ! Fit after self-cal, rms=0.046275Jy sigma=0.726189 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 = 0.000440545 Jy ! Component: 100 - total flux cleaned = 9.52111e-05 Jy ! Component: 150 - total flux cleaned = -0.000232719 Jy ! Component: 200 - total flux cleaned = -0.000420318 Jy ! Total flux subtracted in 200 components = -0.000420318 Jy ! Clean residual min=-0.002552 max=0.002545 Jy/beam ! Clean residual mean=0.000002 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.197775 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 271 components and 0.197775 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=0.046054Jy sigma=0.721008 ! Fit after self-cal, rms=0.046014Jy sigma=0.720758 ! 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=2.802 mas, bmaj=4.561 mas, bpa=-8.207 degrees ! Estimated noise=0.354943 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.802 x 4.561 at -8.207 degrees (North through East) ! Clean map min=-0.012759 max=0.079686 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=2.26 mas, bmaj=4.014 mas, bpa=-8.046 degrees ! Estimated noise=0.622788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0538871 Jy ! Component: 100 - total flux cleaned = 0.0855811 Jy ! Component: 150 - total flux cleaned = 0.107851 Jy ! Component: 200 - total flux cleaned = 0.124072 Jy ! Total flux subtracted in 200 components = 0.124072 Jy ! Clean residual min=-0.008433 max=0.013047 Jy/beam ! Clean residual mean=-0.000028 rms=0.002684 Jy/beam ! Combined flux in latest and established models = 0.124072 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 49 model components to the UV plane model. ! The established model now contains 49 components and 0.124072 Jy ! Inverting map and beam ! Estimated beam: bmin=2.802 mas, bmaj=4.561 mas, bpa=-8.207 degrees ! Estimated noise=0.354943 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) ! Added new window around map position (-2.7, 0.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0234022 Jy ! Component: 100 - total flux cleaned = 0.0353888 Jy ! Component: 150 - total flux cleaned = 0.0444791 Jy ! Component: 200 - total flux cleaned = 0.0493176 Jy ! Total flux subtracted in 200 components = 0.0493176 Jy ! Clean residual min=-0.006621 max=0.006616 Jy/beam ! Clean residual mean=-0.000007 rms=0.001867 Jy/beam ! Combined flux in latest and established models = 0.173389 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 98 components and 0.173389 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=4.287 mas, bmaj=5.574 mas, bpa=-18.46 degrees ! Estimated noise=0.350179 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00422947 Jy ! Component: 100 - total flux cleaned = 0.00716464 Jy ! Component: 150 - total flux cleaned = 0.00962871 Jy ! Component: 200 - total flux cleaned = 0.0115003 Jy ! Total flux subtracted in 200 components = 0.0115003 Jy ! Clean residual min=-0.005254 max=0.004494 Jy/beam ! Clean residual mean=-0.000003 rms=0.001383 Jy/beam ! Combined flux in latest and established models = 0.18489 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 = 0.00121202 Jy ! Component: 100 - total flux cleaned = 0.00175841 Jy ! Component: 150 - total flux cleaned = 0.00225276 Jy ! Component: 200 - total flux cleaned = 0.00285412 Jy ! Total flux subtracted in 200 components = 0.00285412 Jy ! Clean residual min=-0.003983 max=0.002948 Jy/beam ! Clean residual mean=-0.000000 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.187744 Jy ! Adding 101 model components to the UV plane model. ! The established model now contains 173 components and 0.187744 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.802 mas, bmaj=4.561 mas, bpa=-8.207 degrees ! Estimated noise=0.354943 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000639039 Jy ! Component: 100 - total flux cleaned = 0.000637893 Jy ! Component: 150 - total flux cleaned = 0.000753779 Jy ! Component: 200 - total flux cleaned = 0.00106645 Jy ! Total flux subtracted in 200 components = 0.00106645 Jy ! Clean residual min=-0.003414 max=0.002583 Jy/beam ! Clean residual mean=-0.000000 rms=0.000781 Jy/beam ! Combined flux in latest and established models = 0.18881 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 197 components and 0.18881 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=0.046879Jy sigma=0.728008 ! Fit after self-cal, rms=0.045908Jy sigma=0.719120 wmodel J2020+2826_C_map.mod ! Writing 197 model components to file: J2020+2826_C_map.mod wobs J2020+2826_C_uvs.fits ! Writing UV FITS file: J2020+2826_C_uvs.fits wwins J2020+2826_C_map.win ! wwins: Wrote 6 windows to J2020+2826_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 = -0.00133376 Jy ! Component: 100 - total flux cleaned = -0.00173128 Jy ! Component: 150 - total flux cleaned = -0.00219162 Jy ! Component: 200 - total flux cleaned = -0.00240729 Jy ! Component: 250 - total flux cleaned = -0.00244738 Jy ! Component: 300 - total flux cleaned = -0.0024476 Jy ! Component: 350 - total flux cleaned = -0.00248552 Jy ! Component: 400 - total flux cleaned = -0.00259602 Jy ! Component: 450 - total flux cleaned = -0.00263155 Jy ! Component: 500 - total flux cleaned = -0.00273673 Jy ! Component: 550 - total flux cleaned = -0.00290695 Jy ! Component: 600 - total flux cleaned = -0.00287327 Jy ! Component: 650 - total flux cleaned = -0.00293844 Jy ! Component: 700 - total flux cleaned = -0.00290609 Jy ! Component: 750 - total flux cleaned = -0.00296862 Jy ! Component: 800 - total flux cleaned = -0.00299879 Jy ! Component: 850 - total flux cleaned = -0.0030583 Jy ! Component: 900 - total flux cleaned = -0.00308748 Jy ! Component: 950 - total flux cleaned = -0.00308696 Jy ! Component: 1000 - total flux cleaned = -0.00303145 Jy ! Component: 1050 - total flux cleaned = -0.0030855 Jy ! Component: 1100 - total flux cleaned = -0.00300464 Jy ! Component: 1150 - total flux cleaned = -0.00305618 Jy ! Component: 1200 - total flux cleaned = -0.00295334 Jy ! Component: 1250 - total flux cleaned = -0.00302915 Jy ! Component: 1300 - total flux cleaned = -0.00302949 Jy ! Component: 1350 - total flux cleaned = -0.00319885 Jy ! Component: 1400 - total flux cleaned = -0.00317483 Jy ! Component: 1450 - total flux cleaned = -0.00324504 Jy ! Component: 1500 - total flux cleaned = -0.00331356 Jy ! Component: 1550 - total flux cleaned = -0.00326797 Jy ! Component: 1600 - total flux cleaned = -0.00329049 Jy ! Component: 1650 - total flux cleaned = -0.00331249 Jy ! Component: 1700 - total flux cleaned = -0.00339883 Jy ! Component: 1750 - total flux cleaned = -0.00344139 Jy ! Component: 1800 - total flux cleaned = -0.0034417 Jy ! Component: 1850 - total flux cleaned = -0.00354515 Jy ! Component: 1900 - total flux cleaned = -0.0035653 Jy ! Component: 1950 - total flux cleaned = -0.00358529 Jy ! Component: 2000 - total flux cleaned = -0.00362487 Jy ! Component: 2050 - total flux cleaned = -0.00358609 Jy ! Component: 2100 - total flux cleaned = -0.00366309 Jy ! Component: 2150 - total flux cleaned = -0.00368197 Jy ! Component: 2200 - total flux cleaned = -0.00370032 Jy ! Component: 2250 - total flux cleaned = -0.00371888 Jy ! Component: 2300 - total flux cleaned = -0.00373721 Jy ! Component: 2350 - total flux cleaned = -0.00373717 Jy ! Component: 2400 - total flux cleaned = -0.00373753 Jy ! Component: 2450 - total flux cleaned = -0.00372022 Jy ! Component: 2500 - total flux cleaned = -0.00373736 Jy ! Component: 2550 - total flux cleaned = -0.00375464 Jy ! Component: 2600 - total flux cleaned = -0.00373787 Jy ! Component: 2650 - total flux cleaned = -0.00373808 Jy ! Component: 2700 - total flux cleaned = -0.00370484 Jy ! Component: 2750 - total flux cleaned = -0.00373748 Jy ! Component: 2800 - total flux cleaned = -0.0036726 Jy ! Component: 2850 - total flux cleaned = -0.00360878 Jy ! Component: 2900 - total flux cleaned = -0.00367228 Jy ! Component: 2950 - total flux cleaned = -0.0036094 Jy ! Component: 3000 - total flux cleaned = -0.0035938 Jy ! Component: 3050 - total flux cleaned = -0.00357818 Jy ! Component: 3100 - total flux cleaned = -0.00359356 Jy ! Component: 3150 - total flux cleaned = -0.00356341 Jy ! Component: 3200 - total flux cleaned = -0.00359299 Jy ! Component: 3250 - total flux cleaned = -0.0035488 Jy ! Component: 3300 - total flux cleaned = -0.00359243 Jy ! Component: 3350 - total flux cleaned = -0.00357797 Jy ! Component: 3400 - total flux cleaned = -0.00357816 Jy ! Component: 3450 - total flux cleaned = -0.00362096 Jy ! Component: 3500 - total flux cleaned = -0.00369126 Jy ! Component: 3550 - total flux cleaned = -0.00373312 Jy ! Component: 3600 - total flux cleaned = -0.00381584 Jy ! Component: 3650 - total flux cleaned = -0.00385685 Jy ! Component: 3700 - total flux cleaned = -0.00392462 Jy ! Component: 3750 - total flux cleaned = -0.00403211 Jy ! Component: 3800 - total flux cleaned = -0.00412505 Jy ! Component: 3850 - total flux cleaned = -0.00415138 Jy ! Component: 3900 - total flux cleaned = -0.00416471 Jy ! Component: 3950 - total flux cleaned = -0.00424275 Jy ! Component: 4000 - total flux cleaned = -0.00426847 Jy ! Component: 4050 - total flux cleaned = -0.00431947 Jy ! Total flux subtracted in 4096 components = -0.00438283 Jy ! Clean residual min=-0.000673 max=0.000666 Jy/beam ! Clean residual mean=-0.000001 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.184427 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 495 components and 0.184427 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J2020+2826_C_20180605_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.802 x 4.561 at -8.207 degrees (North through East) ! Clean map min=-0.0078953 max=0.076355 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J2020+2826_C_20180605_map.fits wmodel /tmp/maps//J2020+2826_C_20180605_map.mod ! Writing 495 model components to file: /tmp/maps//J2020+2826_C_20180605_map.mod wobs /tmp/maps//J2020+2826_C_20180605_uvs.fits ! Writing UV FITS file: /tmp/maps//J2020+2826_C_20180605_uvs.fits wwins /tmp/maps//J2020+2826_C_20180605_map.win ! wwins: Wrote 7 windows to /tmp/maps//J2020+2826_C_20180605_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0763547 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000245218 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.96347 0.96347 1.92694 3.85388 7.70776 15.4155 30.831 61.6621 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.076 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 311.374 quit ! Quitting program ! Log file /tmp/maps//J2020+2826_C_20180605_dfm.log closed on Wed Jul 4 23:43:20 2018