! Started logfile: /vlbi/bp222/maps//J1642+6856_S_dfm.log on Thu Sep 27 11:24:14 2018 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 /vlbi/bp222/maps//J1642+6856_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1642+6856_S_uva.fits ! AN table 1: 15 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.92381 visibilities/baseline/integration-bin. ! Found source: J1642+6856 ! ! There are 4 IFs, and a total of 4 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 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 1552 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 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 J1642+6856_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 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.989738Jy sigma=21.827839 ! Fit after self-cal, rms=1.010187Jy sigma=7.403660 ! 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=2.177 mas, bmaj=9.497 mas, bpa=21.1 degrees ! Estimated noise=2.26891 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 = 1.03433 Jy ! Component: 100 - total flux cleaned = 1.27238 Jy ! Total flux subtracted in 100 components = 1.27238 Jy ! Clean residual min=-0.178803 max=0.174143 Jy/beam ! Clean residual mean=-0.000027 rms=0.050457 Jy/beam ! Combined flux in latest and established models = 1.27238 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.27238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.883887Jy sigma=5.960484 ! Fit after self-cal, rms=0.883984Jy sigma=5.959822 ! 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=2.529 mas, bmaj=9.026 mas, bpa=19.57 degrees ! Estimated noise=1.74356 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 = 0.176255 Jy ! Component: 100 - total flux cleaned = 0.266013 Jy ! Component: 150 - total flux cleaned = 0.330976 Jy ! Component: 200 - total flux cleaned = 0.383477 Jy ! Total flux subtracted in 200 components = 0.383477 Jy ! Clean residual min=-0.154532 max=0.124781 Jy/beam ! Clean residual mean=-0.000039 rms=0.037238 Jy/beam ! Combined flux in latest and established models = 1.65586 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 41 components and 1.65586 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.803263Jy sigma=5.484997 ! Fit after self-cal, rms=0.803257Jy sigma=5.482235 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.529 x 9.026 at 19.57 degrees (North through East) ! Clean map min=-0.14568 max=1.4379 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 0.97 KP 1.02 ! MK 1.01 NL 0.90 OV 1.02 SC 1.02 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.96 HN 0.98 KP 0.97 ! MK 1.02 NL 0.39 OV 1.04 SC 0.81 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.42 FD 0.97 HN 0.98 KP 1.01 ! MK 1.02 NL 0.82 OV 1.04 SC 1.00 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1329.74 HN 1.25 KP 1.00* ! MK 21.23 NL 1.00* OV 0.86 SC 1.00* ! ! ! Fit before self-cal, rms=0.803257Jy sigma=5.482235 ! Fit after self-cal, rms=0.124229Jy sigma=0.945197 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.561 mas, bmaj=9.258 mas, bpa=19.69 degrees ! Estimated noise=1.74385 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 = -0.0273822 Jy ! Component: 100 - total flux cleaned = -0.0390172 Jy ! Component: 150 - total flux cleaned = -0.0462826 Jy ! Component: 200 - total flux cleaned = -0.052718 Jy ! Total flux subtracted in 200 components = -0.052718 Jy ! Clean residual min=-0.019589 max=0.022320 Jy/beam ! Clean residual mean=-0.000005 rms=0.005038 Jy/beam ! Combined flux in latest and established models = 1.60314 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 1.60314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116148Jy sigma=0.810346 ! Fit after self-cal, rms=0.115958Jy sigma=0.804939 ! 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. ! ! Fit before self-cal, rms=0.115958Jy sigma=0.804939 ! Fit after self-cal, rms=0.090223Jy sigma=0.787215 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.56 mas, bmaj=9.277 mas, bpa=19.72 degrees ! Estimated noise=1.74145 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0131885 Jy ! Component: 100 - total flux cleaned = -0.0197405 Jy ! Component: 150 - total flux cleaned = -0.0238257 Jy ! Component: 200 - total flux cleaned = -0.0273495 Jy ! Total flux subtracted in 200 components = -0.0273495 Jy ! Clean residual min=-0.014980 max=0.018334 Jy/beam ! Clean residual mean=-0.000005 rms=0.004173 Jy/beam ! Combined flux in latest and established models = 1.57579 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 64 components and 1.57579 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087098Jy sigma=0.750295 ! Fit after self-cal, rms=0.087085Jy sigma=0.748491 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 (-1, -14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141973 Jy ! Component: 100 - total flux cleaned = 0.0178747 Jy ! Component: 150 - total flux cleaned = 0.0212639 Jy ! Component: 200 - total flux cleaned = 0.0254157 Jy ! Total flux subtracted in 200 components = 0.0254157 Jy ! Clean residual min=-0.008332 max=0.010752 Jy/beam ! Clean residual mean=-0.000006 rms=0.002581 Jy/beam ! Combined flux in latest and established models = 1.60121 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 83 components and 1.60121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080688Jy sigma=0.675007 ! Fit after self-cal, rms=0.080511Jy sigma=0.672089 ! 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. ! ! Fit before self-cal, rms=0.080511Jy sigma=0.672089 ! Fit after self-cal, rms=0.067799Jy sigma=0.662036 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.559 mas, bmaj=9.294 mas, bpa=19.75 degrees ! Estimated noise=1.73869 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000667583 Jy ! Component: 100 - total flux cleaned = 0.00124985 Jy ! Component: 150 - total flux cleaned = 0.00216827 Jy ! Component: 200 - total flux cleaned = 0.00298275 Jy ! Total flux subtracted in 200 components = 0.00298275 Jy ! Clean residual min=-0.006095 max=0.008277 Jy/beam ! Clean residual mean=-0.000005 rms=0.001854 Jy/beam ! Combined flux in latest and established models = 1.60419 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 107 components and 1.60419 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065995Jy sigma=0.646761 ! Fit after self-cal, rms=0.065984Jy sigma=0.646315 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 (-21, -58.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.005878 Jy ! Component: 100 - total flux cleaned = 0.00659856 Jy ! Component: 150 - total flux cleaned = 0.00673519 Jy ! Component: 200 - total flux cleaned = 0.00722776 Jy ! Total flux subtracted in 200 components = 0.00722776 Jy ! Clean residual min=-0.005320 max=0.004936 Jy/beam ! Clean residual mean=-0.000004 rms=0.001318 Jy/beam ! Combined flux in latest and established models = 1.61142 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 130 components and 1.61142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064908Jy sigma=0.633851 ! Fit after self-cal, rms=0.064876Jy sigma=0.633610 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064876Jy sigma=0.633610 ! Fit after self-cal, rms=0.059109Jy sigma=0.632294 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=5.372 mas, bmaj=9.328 mas, bpa=17.99 degrees ! Estimated noise=2.65212 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00244499 Jy ! Component: 100 - total flux cleaned = 0.00178837 Jy ! Component: 150 - total flux cleaned = 0.00155994 Jy ! Component: 200 - total flux cleaned = 0.00156278 Jy ! Total flux subtracted in 200 components = 0.00156278 Jy ! Clean residual min=-0.005538 max=0.005963 Jy/beam ! Clean residual mean=-0.000008 rms=0.001704 Jy/beam ! Combined flux in latest and established models = 1.61298 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 155 components and 1.61298 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058681Jy sigma=0.630102 ! Fit after self-cal, rms=0.058710Jy sigma=0.629864 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 = -0.000315955 Jy ! Component: 100 - total flux cleaned = -0.000321063 Jy ! Component: 150 - total flux cleaned = 0.000250921 Jy ! Component: 200 - total flux cleaned = 0.000712767 Jy ! Total flux subtracted in 200 components = 0.000712767 Jy ! Clean residual min=-0.005111 max=0.005165 Jy/beam ! Clean residual mean=-0.000007 rms=0.001459 Jy/beam ! Combined flux in latest and established models = 1.61369 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 177 components and 1.61369 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058572Jy sigma=0.628948 ! Fit after self-cal, rms=0.058562Jy sigma=0.628792 ! 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=2.558 mas, bmaj=9.3 mas, bpa=19.76 degrees ! Estimated noise=1.73814 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.558 x 9.3 at 19.76 degrees (North through East) ! Clean map min=-0.0081064 max=1.4203 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058562Jy sigma=0.628792 ! Fit after self-cal, rms=0.052698Jy sigma=0.553595 ! Inverting map and beam ! Estimated beam: bmin=2.558 mas, bmaj=9.303 mas, bpa=19.77 degrees ! Estimated noise=1.73756 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000723462 Jy ! Component: 100 - total flux cleaned = -0.000965801 Jy ! Component: 150 - total flux cleaned = -0.00121184 Jy ! Component: 200 - total flux cleaned = -0.00131599 Jy ! Total flux subtracted in 200 components = -0.00131599 Jy ! Clean residual min=-0.004270 max=0.003182 Jy/beam ! Clean residual mean=-0.000002 rms=0.000849 Jy/beam ! Combined flux in latest and established models = 1.61238 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 201 components and 1.61238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052587Jy sigma=0.550529 ! Fit after self-cal, rms=0.052551Jy sigma=0.550499 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.57233e-05 Jy ! Component: 100 - total flux cleaned = -0.000184639 Jy ! Component: 150 - total flux cleaned = -0.000402303 Jy ! Component: 200 - total flux cleaned = -0.000563762 Jy ! Total flux subtracted in 200 components = -0.000563762 Jy ! Clean residual min=-0.003993 max=0.003149 Jy/beam ! Clean residual mean=-0.000002 rms=0.000798 Jy/beam ! Combined flux in latest and established models = 1.61181 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 218 components and 1.61181 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052477Jy sigma=0.549556 ! Fit after self-cal, rms=0.052467Jy sigma=0.549545 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052467Jy sigma=0.549545 ! Fit after self-cal, rms=0.051748Jy sigma=0.549404 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=2.192 mas, bmaj=9.808 mas, bpa=21.72 degrees ! Estimated noise=2.42939 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.10514 Jy ! Component: 100 - total flux cleaned = 1.34811 Jy ! Component: 150 - total flux cleaned = 1.42258 Jy ! Component: 200 - total flux cleaned = 1.46443 Jy ! Total flux subtracted in 200 components = 1.46443 Jy ! Clean residual min=-0.021435 max=0.021639 Jy/beam ! Clean residual mean=-0.000003 rms=0.006155 Jy/beam ! Combined flux in latest and established models = 1.46443 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 16 model components to the UV plane model. ! The established model now contains 16 components and 1.46443 Jy ! Inverting map and beam ! Estimated beam: bmin=2.558 mas, bmaj=9.304 mas, bpa=19.76 degrees ! Estimated noise=1.73758 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 = 0.0321381 Jy ! Component: 100 - total flux cleaned = 0.0550073 Jy ! Component: 150 - total flux cleaned = 0.0725708 Jy ! Component: 200 - total flux cleaned = 0.0855843 Jy ! Total flux subtracted in 200 components = 0.0855843 Jy ! Clean residual min=-0.011584 max=0.011311 Jy/beam ! Clean residual mean=-0.000006 rms=0.003318 Jy/beam ! Combined flux in latest and established models = 1.55001 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 57 components and 1.55001 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=5.373 mas, bmaj=9.333 mas, bpa=18 degrees ! Estimated noise=2.65037 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195314 Jy ! Component: 100 - total flux cleaned = 0.0288285 Jy ! Component: 150 - total flux cleaned = 0.0303139 Jy ! Component: 200 - total flux cleaned = 0.0300445 Jy ! Total flux subtracted in 200 components = 0.0300445 Jy ! Clean residual min=-0.008250 max=0.009254 Jy/beam ! Clean residual mean=-0.000012 rms=0.002857 Jy/beam ! Combined flux in latest and established models = 1.58006 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 = 7.19263e-06 Jy ! Component: 100 - total flux cleaned = 0.000207966 Jy ! Component: 150 - total flux cleaned = 0.000566746 Jy ! Component: 200 - total flux cleaned = 0.00138611 Jy ! Total flux subtracted in 200 components = 0.00138611 Jy ! Clean residual min=-0.006644 max=0.007135 Jy/beam ! Clean residual mean=-0.000011 rms=0.002116 Jy/beam ! Combined flux in latest and established models = 1.58145 Jy ! Adding 75 model components to the UV plane model. ! The established model now contains 121 components and 1.58145 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.558 mas, bmaj=9.304 mas, bpa=19.76 degrees ! Estimated noise=1.73758 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00116611 Jy ! Component: 100 - total flux cleaned = 0.00471397 Jy ! Component: 150 - total flux cleaned = 0.00612626 Jy ! Component: 200 - total flux cleaned = 0.00801658 Jy ! Total flux subtracted in 200 components = 0.00801658 Jy ! Clean residual min=-0.007478 max=0.006440 Jy/beam ! Clean residual mean=-0.000005 rms=0.001626 Jy/beam ! Combined flux in latest and established models = 1.58946 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 158 components and 1.58946 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053863Jy sigma=0.581749 ! Fit after self-cal, rms=0.053901Jy sigma=0.580262 wmodel J1642+6856_S_map.mod ! Writing 158 model components to file: J1642+6856_S_map.mod wobs J1642+6856_S_uvs.fits ! Writing UV FITS file: J1642+6856_S_uvs.fits wwins J1642+6856_S_map.win ! wwins: Wrote 3 windows to J1642+6856_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 = -0.000633499 Jy ! Component: 100 - total flux cleaned = -0.00025262 Jy ! Component: 150 - total flux cleaned = 0.000827939 Jy ! Component: 200 - total flux cleaned = 0.00141593 Jy ! Component: 250 - total flux cleaned = 0.00196598 Jy ! Component: 300 - total flux cleaned = 0.00241194 Jy ! Component: 350 - total flux cleaned = 0.00269336 Jy ! Component: 400 - total flux cleaned = 0.00309361 Jy ! Component: 450 - total flux cleaned = 0.00341357 Jy ! Component: 500 - total flux cleaned = 0.00414722 Jy ! Component: 550 - total flux cleaned = 0.00467383 Jy ! Component: 600 - total flux cleaned = 0.00523775 Jy ! Component: 650 - total flux cleaned = 0.00577895 Jy ! Component: 700 - total flux cleaned = 0.00614329 Jy ! Component: 750 - total flux cleaned = 0.00629523 Jy ! Component: 800 - total flux cleaned = 0.0064889 Jy ! Component: 850 - total flux cleaned = 0.00644183 Jy ! Component: 900 - total flux cleaned = 0.00648863 Jy ! Component: 950 - total flux cleaned = 0.00666469 Jy ! Component: 1000 - total flux cleaned = 0.00649365 Jy ! Component: 1050 - total flux cleaned = 0.00645324 Jy ! Component: 1100 - total flux cleaned = 0.00637338 Jy ! Component: 1150 - total flux cleaned = 0.00614036 Jy ! Component: 1200 - total flux cleaned = 0.00602718 Jy ! Component: 1250 - total flux cleaned = 0.00587977 Jy ! Component: 1300 - total flux cleaned = 0.00570083 Jy ! Component: 1350 - total flux cleaned = 0.00549234 Jy ! Component: 1400 - total flux cleaned = 0.00525581 Jy ! Component: 1450 - total flux cleaned = 0.00522363 Jy ! Component: 1500 - total flux cleaned = 0.00512628 Jy ! Component: 1550 - total flux cleaned = 0.00500075 Jy ! Component: 1600 - total flux cleaned = 0.00490905 Jy ! Component: 1650 - total flux cleaned = 0.00490882 Jy ! Component: 1700 - total flux cleaned = 0.00482075 Jy ! Component: 1750 - total flux cleaned = 0.00479191 Jy ! Component: 1800 - total flux cleaned = 0.0047632 Jy ! Component: 1850 - total flux cleaned = 0.00465148 Jy ! Component: 1900 - total flux cleaned = 0.00451437 Jy ! Component: 1950 - total flux cleaned = 0.00440626 Jy ! Component: 2000 - total flux cleaned = 0.00424678 Jy ! Component: 2050 - total flux cleaned = 0.00419482 Jy ! Component: 2100 - total flux cleaned = 0.00416868 Jy ! Component: 2150 - total flux cleaned = 0.00409128 Jy ! Component: 2200 - total flux cleaned = 0.00406565 Jy ! Component: 2250 - total flux cleaned = 0.00404026 Jy ! Component: 2300 - total flux cleaned = 0.00403983 Jy ! Component: 2350 - total flux cleaned = 0.00386612 Jy ! Component: 2400 - total flux cleaned = 0.00376784 Jy ! Component: 2450 - total flux cleaned = 0.00359737 Jy ! Component: 2500 - total flux cleaned = 0.00352491 Jy ! Component: 2550 - total flux cleaned = 0.00338062 Jy ! Component: 2600 - total flux cleaned = 0.00328492 Jy ! Component: 2650 - total flux cleaned = 0.00321346 Jy ! Component: 2700 - total flux cleaned = 0.00304806 Jy ! Component: 2750 - total flux cleaned = 0.00290703 Jy ! Component: 2800 - total flux cleaned = 0.00274324 Jy ! Component: 2850 - total flux cleaned = 0.00255686 Jy ! Component: 2900 - total flux cleaned = 0.0024175 Jy ! Component: 2950 - total flux cleaned = 0.00225531 Jy ! Component: 3000 - total flux cleaned = 0.00209351 Jy ! Component: 3050 - total flux cleaned = 0.00188593 Jy ! Component: 3100 - total flux cleaned = 0.00172463 Jy ! Component: 3150 - total flux cleaned = 0.00156345 Jy ! Component: 3200 - total flux cleaned = 0.00135621 Jy ! Component: 3250 - total flux cleaned = 0.00124104 Jy ! Component: 3300 - total flux cleaned = 0.00107977 Jy ! Component: 3350 - total flux cleaned = 0.000918647 Jy ! Component: 3400 - total flux cleaned = 0.000688058 Jy ! Component: 3450 - total flux cleaned = 0.000526334 Jy ! Component: 3500 - total flux cleaned = 0.000364399 Jy ! Component: 3550 - total flux cleaned = 0.000202103 Jy ! Component: 3600 - total flux cleaned = -3.07691e-05 Jy ! Component: 3650 - total flux cleaned = -0.00024115 Jy ! Component: 3700 - total flux cleaned = -0.000475863 Jy ! Component: 3750 - total flux cleaned = -0.000711534 Jy ! Component: 3800 - total flux cleaned = -0.000971894 Jy ! Component: 3850 - total flux cleaned = -0.00125713 Jy ! Component: 3900 - total flux cleaned = -0.0014965 Jy ! Component: 3950 - total flux cleaned = -0.001809 Jy ! Component: 4000 - total flux cleaned = -0.00205084 Jy ! Component: 4050 - total flux cleaned = -0.00239135 Jy ! Total flux subtracted in 4096 components = -0.00268484 Jy ! Clean residual min=-0.001865 max=0.001495 Jy/beam ! Clean residual mean=-0.000002 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 1.58678 Jy keep ! Adding 217 model components to the UV plane model. ! The established model now contains 374 components and 1.58678 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1642+6856_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.558 x 9.304 at 19.76 degrees (North through East) ! Clean map min=-0.0050919 max=1.4448 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1642+6856_S_map.fits wmodel /vlbi/bp222/maps//J1642+6856_S_map.mod ! Writing 374 model components to file: /vlbi/bp222/maps//J1642+6856_S_map.mod wobs /vlbi/bp222/maps//J1642+6856_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1642+6856_S_uvs.fits wwins /vlbi/bp222/maps//J1642+6856_S_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J1642+6856_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.44476 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000296007 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0614649 0.0614649 0.12293 0.24586 0.491719 0.983438 1.96688 3.93375 7.86751 15.735 31.47 62.9401 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.444 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4880.83 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1642+6856_S_dfm.log closed on Thu Sep 27 11:24:18 2018