! Started logfile: /image_prod/ug002_uva//J2023+5427_S_dfm.log on Thu Mar 5 04:46:04 2020 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /image_prod/ug002_uva//J2023+5427_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2023+5427_S_uva.fits ! AN table 1: 80 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.851736 visibilities/baseline/integration-bin. ! Found source: J2023+5427 ! ! There are 3 IFs, and a total of 3 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 7359 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J2023+5427_S] 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 0.500x0.500 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 61 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 61 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 61 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.119923Jy sigma=7.824870 ! Fit after self-cal, rms=0.614513Jy sigma=4.111243 ! 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=3.072 mas, bmaj=4.232 mas, bpa=-7.77 degrees ! Estimated noise=1.8674 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 = 0.313126 Jy ! Component: 100 - total flux cleaned = 0.429952 Jy ! Total flux subtracted in 100 components = 0.429952 Jy ! Clean residual min=-0.018363 max=0.049950 Jy/beam ! Clean residual mean=0.000008 rms=0.005648 Jy/beam ! Combined flux in latest and established models = 0.429952 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.429952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.133673Jy sigma=0.912972 ! Fit after self-cal, rms=0.131508Jy sigma=0.898785 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0568384 Jy ! Component: 100 - total flux cleaned = 0.0886735 Jy ! Total flux subtracted in 100 components = 0.0886735 Jy ! Clean residual min=-0.011373 max=0.021013 Jy/beam ! Clean residual mean=-0.000011 rms=0.003401 Jy/beam ! Combined flux in latest and established models = 0.518625 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 28 components and 0.518625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.100074Jy sigma=0.627641 ! Fit after self-cal, rms=0.099810Jy sigma=0.625866 ! 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=3.644 mas, bmaj=4.97 mas, bpa=-5.749 degrees ! Estimated noise=1.22632 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 = 0.0285123 Jy ! Component: 100 - total flux cleaned = 0.0457323 Jy ! Component: 150 - total flux cleaned = 0.0565134 Jy ! Component: 200 - total flux cleaned = 0.0632692 Jy ! Total flux subtracted in 200 components = 0.0632692 Jy ! Clean residual min=-0.011434 max=0.020640 Jy/beam ! Clean residual mean=-0.000061 rms=0.002880 Jy/beam ! Combined flux in latest and established models = 0.581895 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 42 components and 0.581895 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.091864Jy sigma=0.548330 ! Fit after self-cal, rms=0.091749Jy sigma=0.547609 ! Inverting map ! Added new window around map position (7.5, -7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0193117 Jy ! Component: 100 - total flux cleaned = 0.0300072 Jy ! Component: 150 - total flux cleaned = 0.0363655 Jy ! Component: 200 - total flux cleaned = 0.0386312 Jy ! Total flux subtracted in 200 components = 0.0386312 Jy ! Clean residual min=-0.009713 max=0.010859 Jy/beam ! Clean residual mean=-0.000058 rms=0.002341 Jy/beam ! Combined flux in latest and established models = 0.620526 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 73 components and 0.620526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.087484Jy sigma=0.513738 ! Fit after self-cal, rms=0.086841Jy sigma=0.508305 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.644 x 4.97 at -5.749 degrees (North through East) ! Clean map min=-0.0091549 max=0.39602 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 0.97 KP 1.03 ! LA 0.99 MK 0.97 OV 0.98 PT 1.00 ! SC 0.98 ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 0.97 KP 0.99 ! LA 1.00 MK 0.96 OV 0.98 PT 1.00 ! SC 1.67 ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 0.97 KP 0.94 ! LA 0.97 MK 0.96 OV 0.98 PT 0.99 ! SC 1.07 ! ! ! Fit before self-cal, rms=0.086841Jy sigma=0.508305 ! Fit after self-cal, rms=0.084292Jy sigma=0.446293 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.682 mas, bmaj=5.024 mas, bpa=-8.188 degrees ! Estimated noise=1.24212 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 = 0.00499101 Jy ! Component: 100 - total flux cleaned = 0.00613862 Jy ! Component: 150 - total flux cleaned = 0.00629752 Jy ! Component: 200 - total flux cleaned = 0.00685785 Jy ! Total flux subtracted in 200 components = 0.00685785 Jy ! Clean residual min=-0.006982 max=0.008058 Jy/beam ! Clean residual mean=-0.000074 rms=0.001686 Jy/beam ! Combined flux in latest and established models = 0.627384 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 91 components and 0.627384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083422Jy sigma=0.440510 ! Fit after self-cal, rms=0.083432Jy sigma=0.439991 ! 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. ! ! Fit before self-cal, rms=0.083432Jy sigma=0.439991 ! Fit after self-cal, rms=0.074686Jy sigma=0.392373 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.659 mas, bmaj=4.937 mas, bpa=-4.146 degrees ! Estimated noise=1.22719 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000490846 Jy ! Component: 100 - total flux cleaned = 0.00187383 Jy ! Component: 150 - total flux cleaned = 0.0028073 Jy ! Component: 200 - total flux cleaned = 0.0034216 Jy ! Total flux subtracted in 200 components = 0.0034216 Jy ! Clean residual min=-0.004146 max=0.005271 Jy/beam ! Clean residual mean=-0.000028 rms=0.000962 Jy/beam ! Combined flux in latest and established models = 0.630805 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 102 components and 0.630805 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074159Jy sigma=0.388516 ! Fit after self-cal, rms=0.074160Jy sigma=0.388255 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (17, -35.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00513475 Jy ! Component: 100 - total flux cleaned = 0.0077713 Jy ! Component: 150 - total flux cleaned = 0.00946512 Jy ! Component: 200 - total flux cleaned = 0.0108028 Jy ! Total flux subtracted in 200 components = 0.0108028 Jy ! Clean residual min=-0.003585 max=0.003907 Jy/beam ! Clean residual mean=-0.000016 rms=0.000836 Jy/beam ! Combined flux in latest and established models = 0.641608 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 118 components and 0.641608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.073701Jy sigma=0.384475 ! Fit after self-cal, rms=0.073662Jy sigma=0.384169 ! Inverting map ! Added new window around map position (48, -59). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00341366 Jy ! Component: 100 - total flux cleaned = 0.00538642 Jy ! Component: 150 - total flux cleaned = 0.00645494 Jy ! Component: 200 - total flux cleaned = 0.00728504 Jy ! Total flux subtracted in 200 components = 0.00728504 Jy ! Clean residual min=-0.003210 max=0.003347 Jy/beam ! Clean residual mean=-0.000011 rms=0.000762 Jy/beam ! Combined flux in latest and established models = 0.648893 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 134 components and 0.648893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.073389Jy sigma=0.382271 ! Fit after self-cal, rms=0.073378Jy sigma=0.382217 ! Inverting map ! Added new window around map position (-23, 104.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159229 Jy ! Component: 100 - total flux cleaned = 0.0024854 Jy ! Component: 150 - total flux cleaned = 0.00330042 Jy ! Component: 200 - total flux cleaned = 0.00399019 Jy ! Total flux subtracted in 200 components = 0.00399019 Jy ! Clean residual min=-0.002882 max=0.002950 Jy/beam ! Clean residual mean=-0.000006 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.652883 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 147 components and 0.652883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.073133Jy sigma=0.380783 ! Fit after self-cal, rms=0.073130Jy sigma=0.380733 ! 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. ! ! Fit before self-cal, rms=0.073130Jy sigma=0.380733 ! Fit after self-cal, rms=0.071826Jy sigma=0.378096 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.657 mas, bmaj=4.931 mas, bpa=-3.56 degrees ! Estimated noise=1.22363 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126523 Jy ! Component: 100 - total flux cleaned = 0.00237162 Jy ! Component: 150 - total flux cleaned = 0.00323005 Jy ! Component: 200 - total flux cleaned = 0.00389926 Jy ! Total flux subtracted in 200 components = 0.00389926 Jy ! Clean residual min=-0.002392 max=0.002596 Jy/beam ! Clean residual mean=-0.000001 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.656783 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 160 components and 0.656783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071704Jy sigma=0.377149 ! Fit after self-cal, rms=0.071693Jy sigma=0.377097 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 (43, 86). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00237019 Jy ! Component: 100 - total flux cleaned = 0.0038651 Jy ! Component: 150 - total flux cleaned = 0.00423402 Jy ! Component: 200 - total flux cleaned = 0.00447869 Jy ! Total flux subtracted in 200 components = 0.00447869 Jy ! Clean residual min=-0.002220 max=0.002531 Jy/beam ! Clean residual mean=-0.000002 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.661261 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 183 components and 0.661261 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071575Jy sigma=0.376202 ! Fit after self-cal, rms=0.071571Jy sigma=0.376157 ! Inverting map ! Added new window around map position (30.5, -27). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0025067 Jy ! Component: 100 - total flux cleaned = 0.00362994 Jy ! Component: 150 - total flux cleaned = 0.0044233 Jy ! Component: 200 - total flux cleaned = 0.00490229 Jy ! Total flux subtracted in 200 components = 0.00490229 Jy ! Clean residual min=-0.002103 max=0.002405 Jy/beam ! Clean residual mean=-0.000001 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.666164 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 211 components and 0.666164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071448Jy sigma=0.375198 ! Fit after self-cal, rms=0.071445Jy sigma=0.375143 ! Inverting map ! Added new window around map position (4, -22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00235858 Jy ! Component: 100 - total flux cleaned = 0.00311948 Jy ! Component: 150 - total flux cleaned = 0.00347678 Jy ! Component: 200 - total flux cleaned = 0.00371309 Jy ! Total flux subtracted in 200 components = 0.00371309 Jy ! Clean residual min=-0.001808 max=0.001972 Jy/beam ! Clean residual mean=-0.000001 rms=0.000476 Jy/beam ! Combined flux in latest and established models = 0.669877 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 230 components and 0.669877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071325Jy sigma=0.374254 ! Fit after self-cal, rms=0.071327Jy sigma=0.374219 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.071327Jy sigma=0.374219 ! Fit after self-cal, rms=0.071275Jy sigma=0.374015 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.133 mas, bmaj=8.816 mas, bpa=23.44 degrees ! Estimated noise=1.53263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00183175 Jy ! Component: 100 - total flux cleaned = 0.00287183 Jy ! Component: 150 - total flux cleaned = 0.00362424 Jy ! Component: 200 - total flux cleaned = 0.00397208 Jy ! Total flux subtracted in 200 components = 0.00397208 Jy ! Clean residual min=-0.001745 max=0.002260 Jy/beam ! Clean residual mean=0.000009 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.673849 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 257 components and 0.673849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071246Jy sigma=0.373740 ! Fit after self-cal, rms=0.071245Jy sigma=0.373717 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 (-89.5, -125.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00196583 Jy ! Component: 100 - total flux cleaned = 0.00232591 Jy ! Component: 150 - total flux cleaned = 0.00253127 Jy ! Component: 200 - total flux cleaned = 0.00262295 Jy ! Total flux subtracted in 200 components = 0.00262295 Jy ! Clean residual min=-0.001713 max=0.001627 Jy/beam ! Clean residual mean=0.000002 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.676472 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 284 components and 0.676472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071204Jy sigma=0.373409 ! Fit after self-cal, rms=0.071202Jy sigma=0.373372 ! 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=3.656 mas, bmaj=4.928 mas, bpa=-3.438 degrees ! Estimated noise=1.22221 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.656 x 4.928 at -3.438 degrees (North through East) ! Clean map min=-0.0021964 max=0.39468 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=3.082 mas, bmaj=4.19 mas, bpa=-5.831 degrees ! Estimated noise=1.88468 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.314081 Jy ! Component: 100 - total flux cleaned = 0.434844 Jy ! Component: 150 - total flux cleaned = 0.490745 Jy ! Component: 200 - total flux cleaned = 0.522314 Jy ! Total flux subtracted in 200 components = 0.522314 Jy ! Clean residual min=-0.008270 max=0.016815 Jy/beam ! Clean residual mean=-0.000003 rms=0.002381 Jy/beam ! Combined flux in latest and established models = 0.522314 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.522314 Jy ! Inverting map and beam ! Estimated beam: bmin=3.656 mas, bmaj=4.928 mas, bpa=-3.438 degrees ! Estimated noise=1.22221 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 = 0.0300765 Jy ! Component: 100 - total flux cleaned = 0.0506545 Jy ! Component: 150 - total flux cleaned = 0.0656198 Jy ! Component: 200 - total flux cleaned = 0.0766926 Jy ! Total flux subtracted in 200 components = 0.0766926 Jy ! Clean residual min=-0.004623 max=0.007805 Jy/beam ! Clean residual mean=-0.000026 rms=0.001312 Jy/beam ! Combined flux in latest and established models = 0.599007 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 70 components and 0.599007 Jy ! Inverting map ! Added new window around map position (0.5, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00873626 Jy ! Component: 100 - total flux cleaned = 0.0155997 Jy ! Component: 150 - total flux cleaned = 0.0213198 Jy ! Component: 200 - total flux cleaned = 0.0262245 Jy ! Total flux subtracted in 200 components = 0.0262245 Jy ! Clean residual min=-0.003376 max=0.003702 Jy/beam ! Clean residual mean=-0.000018 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.625231 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 107 components and 0.625231 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.133 mas, bmaj=8.816 mas, bpa=23.44 degrees ! Estimated noise=1.53263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0077908 Jy ! Component: 100 - total flux cleaned = 0.013825 Jy ! Component: 150 - total flux cleaned = 0.0187579 Jy ! Component: 200 - total flux cleaned = 0.0229376 Jy ! Total flux subtracted in 200 components = 0.0229376 Jy ! Clean residual min=-0.003639 max=0.003154 Jy/beam ! Clean residual mean=-0.000018 rms=0.001012 Jy/beam ! Combined flux in latest and established models = 0.648169 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 = 0.00362015 Jy ! Component: 100 - total flux cleaned = 0.00677226 Jy ! Component: 150 - total flux cleaned = 0.00952226 Jy ! Component: 200 - total flux cleaned = 0.0119255 Jy ! Total flux subtracted in 200 components = 0.0119255 Jy ! Clean residual min=-0.002716 max=0.002212 Jy/beam ! Clean residual mean=-0.000012 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 0.660094 Jy ! Adding 139 model components to the UV plane model. ! The established model now contains 236 components and 0.660094 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.656 mas, bmaj=4.928 mas, bpa=-3.438 degrees ! Estimated noise=1.22221 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00228989 Jy ! Component: 100 - total flux cleaned = 0.00364398 Jy ! Component: 150 - total flux cleaned = 0.0048133 Jy ! Component: 200 - total flux cleaned = 0.0057671 Jy ! Total flux subtracted in 200 components = 0.0057671 Jy ! Clean residual min=-0.001792 max=0.002085 Jy/beam ! Clean residual mean=-0.000003 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.665861 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 270 components and 0.665861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071435Jy sigma=0.374129 ! Fit after self-cal, rms=0.071416Jy sigma=0.373942 wmodel J2023+5427_S_map.mod ! Writing 270 model components to file: J2023+5427_S_map.mod wobs J2023+5427_S_uvs.fits ! Writing UV FITS file: J2023+5427_S_uvs.fits wwins J2023+5427_S_map.win ! wwins: Wrote 10 windows to J2023+5427_S_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 = 0.000900591 Jy ! Component: 100 - total flux cleaned = 0.00107435 Jy ! Component: 150 - total flux cleaned = 0.00123528 Jy ! Component: 200 - total flux cleaned = 0.0012348 Jy ! Component: 250 - total flux cleaned = 0.00123548 Jy ! Component: 300 - total flux cleaned = 0.00108975 Jy ! Component: 350 - total flux cleaned = 0.000948325 Jy ! Component: 400 - total flux cleaned = 0.000782407 Jy ! Component: 450 - total flux cleaned = 0.000647408 Jy ! Component: 500 - total flux cleaned = 0.000568578 Jy ! Component: 550 - total flux cleaned = 0.000413879 Jy ! Component: 600 - total flux cleaned = 0.000312233 Jy ! Component: 650 - total flux cleaned = 8.9841e-05 Jy ! Component: 700 - total flux cleaned = -7.10338e-06 Jy ! Component: 750 - total flux cleaned = -0.000102466 Jy ! Component: 800 - total flux cleaned = -0.000197013 Jy ! Component: 850 - total flux cleaned = -0.000243501 Jy ! Component: 900 - total flux cleaned = -0.000288883 Jy ! Component: 950 - total flux cleaned = -0.000355945 Jy ! Component: 1000 - total flux cleaned = -0.000399777 Jy ! Component: 1050 - total flux cleaned = -0.000465212 Jy ! Component: 1100 - total flux cleaned = -0.000443794 Jy ! Component: 1150 - total flux cleaned = -0.000549746 Jy ! Component: 1200 - total flux cleaned = -0.000507817 Jy ! Component: 1250 - total flux cleaned = -0.00048711 Jy ! Component: 1300 - total flux cleaned = -0.000466851 Jy ! Component: 1350 - total flux cleaned = -0.000486987 Jy ! Component: 1400 - total flux cleaned = -0.000366955 Jy ! Component: 1450 - total flux cleaned = -0.000366718 Jy ! Component: 1500 - total flux cleaned = -0.000249249 Jy ! Component: 1550 - total flux cleaned = -0.00019133 Jy ! Component: 1600 - total flux cleaned = -9.56226e-05 Jy ! Component: 1650 - total flux cleaned = -7.64499e-05 Jy ! Component: 1700 - total flux cleaned = -5.74364e-05 Jy ! Component: 1750 - total flux cleaned = 9.21785e-05 Jy ! Component: 1800 - total flux cleaned = 0.000147657 Jy ! Component: 1850 - total flux cleaned = 0.00018435 Jy ! Component: 1900 - total flux cleaned = 0.000274882 Jy ! Component: 1950 - total flux cleaned = 0.000329116 Jy ! Component: 2000 - total flux cleaned = 0.000454202 Jy ! Component: 2050 - total flux cleaned = 0.000489385 Jy ! Component: 2100 - total flux cleaned = 0.000489295 Jy ! Component: 2150 - total flux cleaned = 0.000593763 Jy ! Component: 2200 - total flux cleaned = 0.000541586 Jy ! Component: 2250 - total flux cleaned = 0.000558743 Jy ! Component: 2300 - total flux cleaned = 0.000558709 Jy ! Component: 2350 - total flux cleaned = 0.000558731 Jy ! Component: 2400 - total flux cleaned = 0.000609146 Jy ! Component: 2450 - total flux cleaned = 0.000642422 Jy ! Component: 2500 - total flux cleaned = 0.000609443 Jy ! Component: 2550 - total flux cleaned = 0.000576646 Jy ! Component: 2600 - total flux cleaned = 0.000560533 Jy ! Component: 2650 - total flux cleaned = 0.000608998 Jy ! Component: 2700 - total flux cleaned = 0.000593059 Jy ! Component: 2750 - total flux cleaned = 0.000624961 Jy ! Component: 2800 - total flux cleaned = 0.000609194 Jy ! Component: 2850 - total flux cleaned = 0.000624965 Jy ! Component: 2900 - total flux cleaned = 0.000702935 Jy ! Component: 2950 - total flux cleaned = 0.000641084 Jy ! Component: 3000 - total flux cleaned = 0.000641145 Jy ! Component: 3050 - total flux cleaned = 0.000778796 Jy ! Component: 3100 - total flux cleaned = 0.000733054 Jy ! Component: 3150 - total flux cleaned = 0.000732981 Jy ! Component: 3200 - total flux cleaned = 0.00080787 Jy ! Component: 3250 - total flux cleaned = 0.000837494 Jy ! Component: 3300 - total flux cleaned = 0.000896778 Jy ! Component: 3350 - total flux cleaned = 0.000896806 Jy ! Component: 3400 - total flux cleaned = 0.000955285 Jy ! Component: 3450 - total flux cleaned = 0.00091177 Jy ! Component: 3500 - total flux cleaned = 0.00108502 Jy ! Component: 3550 - total flux cleaned = 0.00107069 Jy ! Component: 3600 - total flux cleaned = 0.00117047 Jy ! Component: 3650 - total flux cleaned = 0.00118449 Jy ! Component: 3700 - total flux cleaned = 0.0011987 Jy ! Component: 3750 - total flux cleaned = 0.00121274 Jy ! Component: 3800 - total flux cleaned = 0.00125439 Jy ! Component: 3850 - total flux cleaned = 0.00126824 Jy ! Component: 3900 - total flux cleaned = 0.00135086 Jy ! Component: 3950 - total flux cleaned = 0.0013507 Jy ! Component: 4000 - total flux cleaned = 0.0014187 Jy ! Component: 4050 - total flux cleaned = 0.00133747 Jy ! Total flux subtracted in 4096 components = 0.00140484 Jy ! Clean residual min=-0.000965 max=0.000732 Jy/beam ! Clean residual mean=-0.000003 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.667266 Jy keep ! Adding 295 model components to the UV plane model. ! The established model now contains 563 components and 0.667266 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2023+5427_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.656 x 4.928 at -3.438 degrees (North through East) ! Clean map min=-0.001284 max=0.39445 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2023+5427_S_map.fits wmodel /image_prod/ug002_uva//J2023+5427_S_map.mod ! Writing 563 model components to file: /image_prod/ug002_uva//J2023+5427_S_map.mod wobs /image_prod/ug002_uva//J2023+5427_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2023+5427_S_uvs.fits wwins /image_prod/ug002_uva//J2023+5427_S_map.win ! wwins: Wrote 11 windows to /image_prod/ug002_uva//J2023+5427_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.394454 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00023257 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.17688 0.17688 0.35376 0.70752 1.41504 2.83008 5.66016 11.3203 22.6406 45.2813 90.5626 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.394 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1696.06 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2023+5427_S_dfm.log closed on Thu Mar 5 04:46:08 2020