! Started logfile: /vlbi/uf001/uvm//J1146+3958_S_a_dfm.log on Sun Jan 13 21:30:18 2019 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/uf001/uvm//J1146+3958_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1146+3958_S_a_uvm.fits ! AN table 1: 66 integrations on 45 of 45 possible baselines. ! AN table 2: 5 integrations on 36 of 36 possible baselines. ! AN table 3: 4 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.708411 visibilities/baseline/integration-bin. ! Found source: J1146+3958 ! ! 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 6822 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 J1146+3958_S_a] 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 168 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 168 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 168 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! A total of 6 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.394411Jy sigma=20.517373 ! Fit after self-cal, rms=0.157205Jy sigma=2.171180 ! 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=2.987 mas, bmaj=4.336 mas, bpa=3.782 degrees ! Estimated noise=0.800517 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 = 0.730174 Jy ! Component: 100 - total flux cleaned = 0.890764 Jy ! Total flux subtracted in 100 components = 0.890764 Jy ! Clean residual min=-0.014238 max=0.050479 Jy/beam ! Clean residual mean=-0.000020 rms=0.003770 Jy/beam ! Combined flux in latest and established models = 0.890764 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.890764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.175342Jy sigma=2.280433 ! Fit after self-cal, rms=0.175338Jy sigma=2.280386 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0502624 Jy ! Component: 100 - total flux cleaned = 0.0760681 Jy ! Total flux subtracted in 100 components = 0.0760681 Jy ! Clean residual min=-0.011509 max=0.021101 Jy/beam ! Clean residual mean=-0.000003 rms=0.003175 Jy/beam ! Combined flux in latest and established models = 0.966832 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.966832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.150834Jy sigma=1.962010 ! Fit after self-cal, rms=0.150828Jy sigma=1.961962 ! Inverting map ! Added new window around map position (-0.5, 8.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0206131 Jy ! Component: 100 - total flux cleaned = 0.0347321 Jy ! Total flux subtracted in 100 components = 0.0347321 Jy ! Clean residual min=-0.010523 max=0.014980 Jy/beam ! Clean residual mean=-0.000001 rms=0.003064 Jy/beam ! Combined flux in latest and established models = 1.00156 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 25 components and 1.00156 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145971Jy sigma=1.889237 ! Fit after self-cal, rms=0.145828Jy sigma=1.886680 ! 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=3.815 mas, bmaj=5.558 mas, bpa=11.72 degrees ! Estimated noise=0.621098 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 (-5.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0205956 Jy ! Component: 100 - total flux cleaned = 0.0352079 Jy ! Component: 150 - total flux cleaned = 0.0462865 Jy ! Component: 200 - total flux cleaned = 0.0548611 Jy ! Total flux subtracted in 200 components = 0.0548611 Jy ! Clean residual min=-0.009750 max=0.013118 Jy/beam ! Clean residual mean=-0.000025 rms=0.002728 Jy/beam ! Combined flux in latest and established models = 1.05643 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 52 components and 1.05643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.141825Jy sigma=1.816185 ! Fit after self-cal, rms=0.141728Jy sigma=1.814503 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.815 x 5.558 at 11.72 degrees (North through East) ! Clean map min=-0.0093956 max=0.95299 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.97 KP 1.01 ! LA 0.95 MK 1.01 NL 1.04 OV 1.00 ! PT 1.00 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 KP 1.01 LA 0.96 ! MK 1.02 NL 1.07 OV 1.00 PT 0.97 ! SC 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.00 KP 1.00 LA 0.95 NL 1.03 ! OV 0.96 PT 0.99 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 0.98 KP 1.03 ! LA 0.96 MK 1.02 NL 1.07 OV 0.97 ! PT 0.99 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.99 KP 1.03 LA 0.99 ! MK 1.03 NL 1.06 OV 0.99 PT 0.98 ! SC 1.07 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 KP 1.00 LA 0.97 NL 1.01 ! OV 0.89 PT 1.01 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 0.99 KP 1.02 ! LA 0.96 MK 1.04 NL 1.06 OV 0.99 ! PT 1.00 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.98 KP 1.02 LA 0.97 ! MK 1.04 NL 1.02 OV 1.01 PT 0.98 ! SC 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.99 KP 1.00 LA 0.95 NL 1.00 ! OV 0.95 PT 0.99 ! ! ! Fit before self-cal, rms=0.141728Jy sigma=1.814503 ! Fit after self-cal, rms=0.140214Jy sigma=1.722584 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.835 mas, bmaj=5.582 mas, bpa=11.49 degrees ! Estimated noise=0.624093 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 = -0.00230939 Jy ! Component: 100 - total flux cleaned = -0.00461973 Jy ! Component: 150 - total flux cleaned = -0.0062503 Jy ! Component: 200 - total flux cleaned = -0.00697467 Jy ! Total flux subtracted in 200 components = -0.00697467 Jy ! Clean residual min=-0.008284 max=0.012225 Jy/beam ! Clean residual mean=0.000010 rms=0.002491 Jy/beam ! Combined flux in latest and established models = 1.04945 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 73 components and 1.04945 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.139531Jy sigma=1.717184 ! Fit after self-cal, rms=0.139514Jy sigma=1.716904 ! 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=0.139514Jy sigma=1.716904 ! Fit after self-cal, rms=0.058792Jy sigma=0.831101 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.84 mas, bmaj=5.592 mas, bpa=11.7 degrees ! Estimated noise=0.623421 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0048017 Jy ! Component: 100 - total flux cleaned = -0.00790241 Jy ! Component: 150 - total flux cleaned = -0.00865593 Jy ! Component: 200 - total flux cleaned = -0.00904961 Jy ! Total flux subtracted in 200 components = -0.00904961 Jy ! Clean residual min=-0.002880 max=0.002750 Jy/beam ! Clean residual mean=-0.000007 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 1.0404 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 104 components and 1.0404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058310Jy sigma=0.823712 ! Fit after self-cal, rms=0.058322Jy sigma=0.823302 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 = -0.000632374 Jy ! Component: 100 - total flux cleaned = -0.000822547 Jy ! Component: 150 - total flux cleaned = -0.00111087 Jy ! Component: 200 - total flux cleaned = -0.00126776 Jy ! Total flux subtracted in 200 components = -0.00126776 Jy ! Clean residual min=-0.002767 max=0.002698 Jy/beam ! Clean residual mean=-0.000007 rms=0.000593 Jy/beam ! Combined flux in latest and established models = 1.03913 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 116 components and 1.03913 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058208Jy sigma=0.821584 ! Fit after self-cal, rms=0.058205Jy sigma=0.821524 ! 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=0.058205Jy sigma=0.821524 ! Fit after self-cal, rms=0.058061Jy sigma=0.819147 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.841 mas, bmaj=5.596 mas, bpa=11.76 degrees ! Estimated noise=0.623498 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0029124 Jy ! Component: 100 - total flux cleaned = -0.00438555 Jy ! Component: 150 - total flux cleaned = -0.00475877 Jy ! Component: 200 - total flux cleaned = -0.00508714 Jy ! Total flux subtracted in 200 components = -0.00508714 Jy ! Clean residual min=-0.002593 max=0.002743 Jy/beam ! Clean residual mean=-0.000006 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 1.03405 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 126 components and 1.03405 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057872Jy sigma=0.816210 ! Fit after self-cal, rms=0.057870Jy sigma=0.816164 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 (3.5, 19). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292791 Jy ! Component: 100 - total flux cleaned = 0.00406963 Jy ! Component: 150 - total flux cleaned = 0.00431189 Jy ! Component: 200 - total flux cleaned = 0.00462114 Jy ! Total flux subtracted in 200 components = 0.00462114 Jy ! Clean residual min=-0.002376 max=0.002122 Jy/beam ! Clean residual mean=-0.000006 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 1.03867 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 147 components and 1.03867 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057684Jy sigma=0.813314 ! Fit after self-cal, rms=0.057672Jy sigma=0.813133 ! 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=0.057672Jy sigma=0.813133 ! Fit after self-cal, rms=0.057616Jy sigma=0.812226 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.82 mas, bmaj=9.309 mas, bpa=19.41 degrees ! Estimated noise=0.783856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00106665 Jy ! Component: 100 - total flux cleaned = -0.00168993 Jy ! Component: 150 - total flux cleaned = -0.00181721 Jy ! Component: 200 - total flux cleaned = -0.00168991 Jy ! Total flux subtracted in 200 components = -0.00168991 Jy ! Clean residual min=-0.002840 max=0.002202 Jy/beam ! Clean residual mean=-0.000011 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 1.03698 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 185 components and 1.03698 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057542Jy sigma=0.810919 ! Fit after self-cal, rms=0.057533Jy sigma=0.810815 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 = 9.22705e-05 Jy ! Component: 100 - total flux cleaned = 0.000304903 Jy ! Component: 150 - total flux cleaned = 0.000423013 Jy ! Component: 200 - total flux cleaned = 0.00050874 Jy ! Total flux subtracted in 200 components = 0.00050874 Jy ! Clean residual min=-0.002825 max=0.002170 Jy/beam ! Clean residual mean=-0.000011 rms=0.000617 Jy/beam ! Combined flux in latest and established models = 1.03749 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 209 components and 1.03749 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057516Jy sigma=0.810519 ! Fit after self-cal, rms=0.057514Jy sigma=0.810500 ! 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=3.841 mas, bmaj=5.598 mas, bpa=11.8 degrees ! Estimated noise=0.623412 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.841 x 5.598 at 11.8 degrees (North through East) ! Clean map min=-0.0022412 max=0.95684 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. ! ! Fit before self-cal, rms=0.057514Jy sigma=0.810500 ! Fit after self-cal, rms=0.054335Jy sigma=0.755298 ! Inverting map and beam ! Estimated beam: bmin=3.842 mas, bmaj=5.599 mas, bpa=11.79 degrees ! Estimated noise=0.62331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00152497 Jy ! Component: 100 - total flux cleaned = -0.00173126 Jy ! Component: 150 - total flux cleaned = -0.0018658 Jy ! Component: 200 - total flux cleaned = -0.00186469 Jy ! Total flux subtracted in 200 components = -0.00186469 Jy ! Clean residual min=-0.002252 max=0.001914 Jy/beam ! Clean residual mean=-0.000001 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 1.03562 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 220 components and 1.03562 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054251Jy sigma=0.753974 ! Fit after self-cal, rms=0.054251Jy sigma=0.753947 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.86268e-06 Jy ! Component: 100 - total flux cleaned = 6.95479e-05 Jy ! Component: 150 - total flux cleaned = 0.00010615 Jy ! Component: 200 - total flux cleaned = 0.000141096 Jy ! Total flux subtracted in 200 components = 0.000141096 Jy ! Clean residual min=-0.002253 max=0.001866 Jy/beam ! Clean residual mean=-0.000001 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 1.03576 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 227 components and 1.03576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054209Jy sigma=0.753286 ! Fit after self-cal, rms=0.054209Jy sigma=0.753272 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054209Jy sigma=0.753272 ! Fit after self-cal, rms=0.054209Jy sigma=0.752980 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=3.005 mas, bmaj=4.36 mas, bpa=4.124 degrees ! Estimated noise=0.808584 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.736489 Jy ! Component: 100 - total flux cleaned = 0.89752 Jy ! Component: 150 - total flux cleaned = 0.944502 Jy ! Component: 200 - total flux cleaned = 0.967842 Jy ! Total flux subtracted in 200 components = 0.967842 Jy ! Clean residual min=-0.005088 max=0.011697 Jy/beam ! Clean residual mean=-0.000006 rms=0.001057 Jy/beam ! Combined flux in latest and established models = 0.967842 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.967842 Jy ! Inverting map and beam ! Estimated beam: bmin=3.842 mas, bmaj=5.599 mas, bpa=11.83 degrees ! Estimated noise=0.623427 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 = 0.021014 Jy ! Component: 100 - total flux cleaned = 0.0334429 Jy ! Component: 150 - total flux cleaned = 0.0413014 Jy ! Component: 200 - total flux cleaned = 0.0469162 Jy ! Total flux subtracted in 200 components = 0.0469162 Jy ! Clean residual min=-0.002420 max=0.004611 Jy/beam ! Clean residual mean=-0.000011 rms=0.000629 Jy/beam ! Combined flux in latest and established models = 1.01476 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 49 components and 1.01476 Jy ! Inverting map ! Added new window around map position (4.5, 9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00474501 Jy ! Component: 100 - total flux cleaned = 0.00836235 Jy ! Component: 150 - total flux cleaned = 0.0113373 Jy ! Component: 200 - total flux cleaned = 0.0138005 Jy ! Total flux subtracted in 200 components = 0.0138005 Jy ! Clean residual min=-0.002200 max=0.001932 Jy/beam ! Clean residual mean=-0.000004 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 1.02856 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 69 components and 1.02856 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=7.824 mas, bmaj=9.318 mas, bpa=19.42 degrees ! Estimated noise=0.783429 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00211024 Jy ! Component: 100 - total flux cleaned = 0.0034343 Jy ! Component: 150 - total flux cleaned = 0.00437314 Jy ! Component: 200 - total flux cleaned = 0.00469077 Jy ! Total flux subtracted in 200 components = 0.00469077 Jy ! Clean residual min=-0.002796 max=0.002105 Jy/beam ! Clean residual mean=-0.000006 rms=0.000603 Jy/beam ! Combined flux in latest and established models = 1.03325 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 = 0.000193492 Jy ! Component: 100 - total flux cleaned = 0.000317659 Jy ! Component: 150 - total flux cleaned = 0.000452351 Jy ! Component: 200 - total flux cleaned = 0.000553934 Jy ! Total flux subtracted in 200 components = 0.000553934 Jy ! Clean residual min=-0.002762 max=0.002081 Jy/beam ! Clean residual mean=-0.000005 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 1.0338 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 142 components and 1.0338 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.842 mas, bmaj=5.599 mas, bpa=11.83 degrees ! Estimated noise=0.623427 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000331159 Jy ! Component: 100 - total flux cleaned = -0.000111121 Jy ! Component: 150 - total flux cleaned = 9.11527e-05 Jy ! Component: 200 - total flux cleaned = 0.000155901 Jy ! Total flux subtracted in 200 components = 0.000155901 Jy ! Clean residual min=-0.002158 max=0.002001 Jy/beam ! Clean residual mean=-0.000002 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 1.03396 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 151 components and 1.03396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054551Jy sigma=0.758503 ! Fit after self-cal, rms=0.054529Jy sigma=0.758187 wmodel J1146+3958_S_a_map.mod ! Writing 151 model components to file: J1146+3958_S_a_map.mod wobs J1146+3958_S_a_uvs.fits ! Writing UV FITS file: J1146+3958_S_a_uvs.fits wwins J1146+3958_S_a_map.win ! wwins: Wrote 5 windows to J1146+3958_S_a_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 = -0.000796608 Jy ! Component: 100 - total flux cleaned = -0.0014506 Jy ! Component: 150 - total flux cleaned = -0.00214562 Jy ! Component: 200 - total flux cleaned = -0.00278385 Jy ! Component: 250 - total flux cleaned = -0.00324226 Jy ! Component: 300 - total flux cleaned = -0.0036906 Jy ! Component: 350 - total flux cleaned = -0.00384756 Jy ! Component: 400 - total flux cleaned = -0.00409527 Jy ! Component: 450 - total flux cleaned = -0.00436946 Jy ! Component: 500 - total flux cleaned = -0.00454936 Jy ! Component: 550 - total flux cleaned = -0.00469802 Jy ! Component: 600 - total flux cleaned = -0.00487432 Jy ! Component: 650 - total flux cleaned = -0.00499069 Jy ! Component: 700 - total flux cleaned = -0.00513475 Jy ! Component: 750 - total flux cleaned = -0.00536285 Jy ! Component: 800 - total flux cleaned = -0.00547582 Jy ! Component: 850 - total flux cleaned = -0.00558788 Jy ! Component: 900 - total flux cleaned = -0.00572694 Jy ! Component: 950 - total flux cleaned = -0.00580938 Jy ! Component: 1000 - total flux cleaned = -0.0058367 Jy ! Component: 1050 - total flux cleaned = -0.00591836 Jy ! Component: 1100 - total flux cleaned = -0.00589131 Jy ! Component: 1150 - total flux cleaned = -0.00594532 Jy ! Component: 1200 - total flux cleaned = -0.00610514 Jy ! Component: 1250 - total flux cleaned = -0.00602557 Jy ! Component: 1300 - total flux cleaned = -0.00607806 Jy ! Component: 1350 - total flux cleaned = -0.00615655 Jy ! Component: 1400 - total flux cleaned = -0.00623454 Jy ! Component: 1450 - total flux cleaned = -0.0062342 Jy ! Component: 1500 - total flux cleaned = -0.00633692 Jy ! Component: 1550 - total flux cleaned = -0.00636265 Jy ! Component: 1600 - total flux cleaned = -0.00646439 Jy ! Component: 1650 - total flux cleaned = -0.00664093 Jy ! Component: 1700 - total flux cleaned = -0.00666601 Jy ! Component: 1750 - total flux cleaned = -0.00679072 Jy ! Component: 1800 - total flux cleaned = -0.00676599 Jy ! Component: 1850 - total flux cleaned = -0.00679078 Jy ! Component: 1900 - total flux cleaned = -0.00688908 Jy ! Component: 1950 - total flux cleaned = -0.00693788 Jy ! Component: 2000 - total flux cleaned = -0.0070351 Jy ! Component: 2050 - total flux cleaned = -0.00703492 Jy ! Component: 2100 - total flux cleaned = -0.0071071 Jy ! Component: 2150 - total flux cleaned = -0.00710694 Jy ! Component: 2200 - total flux cleaned = -0.00715478 Jy ! Component: 2250 - total flux cleaned = -0.0071311 Jy ! Component: 2300 - total flux cleaned = -0.00715481 Jy ! Component: 2350 - total flux cleaned = -0.00727217 Jy ! Component: 2400 - total flux cleaned = -0.00727193 Jy ! Component: 2450 - total flux cleaned = -0.00722551 Jy ! Component: 2500 - total flux cleaned = -0.00738741 Jy ! Component: 2550 - total flux cleaned = -0.00731805 Jy ! Component: 2600 - total flux cleaned = -0.00734113 Jy ! Component: 2650 - total flux cleaned = -0.00743244 Jy ! Component: 2700 - total flux cleaned = -0.0074552 Jy ! Component: 2750 - total flux cleaned = -0.00745522 Jy ! Component: 2800 - total flux cleaned = -0.00752301 Jy ! Component: 2850 - total flux cleaned = -0.00747801 Jy ! Component: 2900 - total flux cleaned = -0.00750037 Jy ! Component: 2950 - total flux cleaned = -0.00758946 Jy ! Component: 3000 - total flux cleaned = -0.0075451 Jy ! Component: 3050 - total flux cleaned = -0.00752297 Jy ! Component: 3100 - total flux cleaned = -0.00745681 Jy ! Component: 3150 - total flux cleaned = -0.00763245 Jy ! Component: 3200 - total flux cleaned = -0.00765433 Jy ! Component: 3250 - total flux cleaned = -0.00761076 Jy ! Component: 3300 - total flux cleaned = -0.00761072 Jy ! Component: 3350 - total flux cleaned = -0.00756762 Jy ! Component: 3400 - total flux cleaned = -0.0076755 Jy ! Component: 3450 - total flux cleaned = -0.00773994 Jy ! Component: 3500 - total flux cleaned = -0.00769713 Jy ! Component: 3550 - total flux cleaned = -0.00769701 Jy ! Component: 3600 - total flux cleaned = -0.00776072 Jy ! Component: 3650 - total flux cleaned = -0.00769705 Jy ! Component: 3700 - total flux cleaned = -0.00778143 Jy ! Component: 3750 - total flux cleaned = -0.00784447 Jy ! Component: 3800 - total flux cleaned = -0.00782356 Jy ! Component: 3850 - total flux cleaned = -0.00786517 Jy ! Component: 3900 - total flux cleaned = -0.00788599 Jy ! Component: 3950 - total flux cleaned = -0.00790666 Jy ! Component: 4000 - total flux cleaned = -0.00782415 Jy ! Component: 4050 - total flux cleaned = -0.00788598 Jy ! Total flux subtracted in 4096 components = -0.00796807 Jy ! Clean residual min=-0.001177 max=0.001156 Jy/beam ! Clean residual mean=0.000001 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 1.02599 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 454 components and 1.02599 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1146+3958_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.842 x 5.599 at 11.83 degrees (North through East) ! Clean map min=-0.0017727 max=0.95787 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1146+3958_S_a_map.fits wmodel /vlbi/uf001/uvm//J1146+3958_S_a_map.mod ! Writing 454 model components to file: /vlbi/uf001/uvm//J1146+3958_S_a_map.mod wobs /vlbi/uf001/uvm//J1146+3958_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1146+3958_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1146+3958_S_a_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uvm//J1146+3958_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.957869 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000375797 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.117698 0.117698 0.235396 0.470791 0.941583 1.88317 3.76633 7.53266 15.0653 30.1306 60.2613 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.957 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2548.9 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1146+3958_S_a_dfm.log closed on Sun Jan 13 21:30:23 2019