! Started logfile: /vlbi/bp222/maps//J1146+3958_S_dfm.log on Mon Jan 14 16:46:22 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/bp222/maps//J1146+3958_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1146+3958_S_uvm.fits ! AN table 1: 120 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.974074 visibilities/baseline/integration-bin. ! Found source: J1146+3958 ! ! 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 49 lines of history. ! ! Reading 16832 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 J1146+3958_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 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 623 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.674071Jy sigma=27.799903 ! Fit after self-cal, rms=0.554410Jy sigma=4.430834 ! 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=2.597 mas, bmaj=5.942 mas, bpa=-0.2047 degrees ! Estimated noise=0.522687 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 = 0.889609 Jy ! Component: 100 - total flux cleaned = 1.08819 Jy ! Total flux subtracted in 100 components = 1.08819 Jy ! Clean residual min=-0.023668 max=0.068848 Jy/beam ! Clean residual mean=0.000043 rms=0.006782 Jy/beam ! Combined flux in latest and established models = 1.08819 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.08819 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.524459Jy sigma=3.605592 ! Fit after self-cal, rms=0.524458Jy sigma=3.605547 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0750064 Jy ! Component: 100 - total flux cleaned = 0.114385 Jy ! Total flux subtracted in 100 components = 0.114385 Jy ! Clean residual min=-0.025388 max=0.030097 Jy/beam ! Clean residual mean=0.000013 rms=0.005197 Jy/beam ! Combined flux in latest and established models = 1.20258 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 17 components and 1.20258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.503117Jy sigma=3.086081 ! Fit after self-cal, rms=0.503115Jy sigma=3.085809 ! 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=3.136 mas, bmaj=6.951 mas, bpa=-0.5621 degrees ! Estimated noise=0.364274 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 (-4, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0305741 Jy ! Component: 100 - total flux cleaned = 0.0370381 Jy ! Component: 150 - total flux cleaned = 0.0414393 Jy ! Component: 200 - total flux cleaned = 0.0456357 Jy ! Total flux subtracted in 200 components = 0.0456357 Jy ! Clean residual min=-0.020508 max=0.021805 Jy/beam ! Clean residual mean=0.000009 rms=0.004271 Jy/beam ! Combined flux in latest and established models = 1.24822 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 45 components and 1.24821 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.495351Jy sigma=3.010986 ! Fit after self-cal, rms=0.495250Jy sigma=3.005341 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.136 x 6.951 at -0.5621 degrees (North through East) ! Clean map min=-0.024064 max=1.1672 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.98 KP 1.01 ! LA 0.99 MK 1.07 NL 0.97 PT 1.04 ! SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.99 KP 0.99 ! LA 1.01 MK 1.04 NL 0.86 PT 1.00 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.99 KP 0.99 ! LA 1.01 MK 1.02 NL 1.10 PT 0.99 ! SC 1.02 ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.03 HN 0.98 KP 1.00* ! LA 1.00 MK 1.00* NL 1.00* PT 1.00 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.495250Jy sigma=3.005341 ! Fit after self-cal, rms=0.410570Jy sigma=2.825254 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.156 mas, bmaj=6.949 mas, bpa=-0.5091 degrees ! Estimated noise=0.367443 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 (37.5, -30.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0176171 Jy ! Component: 100 - total flux cleaned = 0.0207835 Jy ! Component: 150 - total flux cleaned = 0.0221562 Jy ! Component: 200 - total flux cleaned = 0.0217458 Jy ! Total flux subtracted in 200 components = 0.0217458 Jy ! Clean residual min=-0.019883 max=0.018101 Jy/beam ! Clean residual mean=0.000005 rms=0.003987 Jy/beam ! Combined flux in latest and established models = 1.26996 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 68 components and 1.26996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.407263Jy sigma=2.796668 ! Fit after self-cal, rms=0.407183Jy sigma=2.793282 ! 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=0.407183Jy sigma=2.793282 ! Fit after self-cal, rms=0.399025Jy sigma=2.474427 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.155 mas, bmaj=6.924 mas, bpa=-0.8432 degrees ! Estimated noise=0.370876 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013791 Jy ! Component: 100 - total flux cleaned = 0.0146295 Jy ! Component: 150 - total flux cleaned = 0.0146216 Jy ! Component: 200 - total flux cleaned = 0.0140523 Jy ! Total flux subtracted in 200 components = 0.0140523 Jy ! Clean residual min=-0.016524 max=0.014137 Jy/beam ! Clean residual mean=0.000003 rms=0.003355 Jy/beam ! Combined flux in latest and established models = 1.28401 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 90 components and 1.28401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.396080Jy sigma=2.470659 ! Fit after self-cal, rms=0.396070Jy sigma=2.470140 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 = -0.000601999 Jy ! Component: 100 - total flux cleaned = -0.00134518 Jy ! Component: 150 - total flux cleaned = -0.00181289 Jy ! Component: 200 - total flux cleaned = -0.00246507 Jy ! Total flux subtracted in 200 components = -0.00246507 Jy ! Clean residual min=-0.016338 max=0.014078 Jy/beam ! Clean residual mean=0.000004 rms=0.003318 Jy/beam ! Combined flux in latest and established models = 1.28155 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 100 components and 1.28155 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.395340Jy sigma=2.464772 ! Fit after self-cal, rms=0.395338Jy sigma=2.464500 ! 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=0.395338Jy sigma=2.464500 ! Fit after self-cal, rms=0.100632Jy sigma=1.670240 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.161 mas, bmaj=6.911 mas, bpa=-0.6499 degrees ! Estimated noise=0.371673 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00801905 Jy ! Component: 100 - total flux cleaned = 0.0099774 Jy ! Component: 150 - total flux cleaned = 0.0110008 Jy ! Component: 200 - total flux cleaned = 0.0117256 Jy ! Total flux subtracted in 200 components = 0.0117256 Jy ! Clean residual min=-0.005336 max=0.005638 Jy/beam ! Clean residual mean=0.000009 rms=0.001231 Jy/beam ! Combined flux in latest and established models = 1.29327 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 123 components and 1.29327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099286Jy sigma=1.657850 ! Fit after self-cal, rms=0.099183Jy sigma=1.656818 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (4, -37). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00345574 Jy ! Component: 100 - total flux cleaned = 0.00393986 Jy ! Component: 150 - total flux cleaned = 0.0046722 Jy ! Component: 200 - total flux cleaned = 0.00494145 Jy ! Total flux subtracted in 200 components = 0.00494145 Jy ! Clean residual min=-0.004955 max=0.005189 Jy/beam ! Clean residual mean=0.000008 rms=0.001151 Jy/beam ! Combined flux in latest and established models = 1.29822 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 134 components and 1.29822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098585Jy sigma=1.649993 ! Fit after self-cal, rms=0.098557Jy sigma=1.649690 ! Inverting map ! Added new window around map position (4.5, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00104545 Jy ! Component: 100 - total flux cleaned = -0.00123345 Jy ! Component: 150 - total flux cleaned = -0.00124058 Jy ! Component: 200 - total flux cleaned = -0.00137262 Jy ! Total flux subtracted in 200 components = -0.00137262 Jy ! Clean residual min=-0.004282 max=0.004555 Jy/beam ! Clean residual mean=0.000008 rms=0.001070 Jy/beam ! Combined flux in latest and established models = 1.29684 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 152 components and 1.29684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097958Jy sigma=1.642361 ! Fit after self-cal, rms=0.097898Jy sigma=1.641826 ! Inverting map ! Added new window around map position (15, 42.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00396888 Jy ! Component: 100 - total flux cleaned = 0.00501783 Jy ! Component: 150 - total flux cleaned = 0.00585137 Jy ! Component: 200 - total flux cleaned = 0.00640846 Jy ! Total flux subtracted in 200 components = 0.00640846 Jy ! Clean residual min=-0.004041 max=0.003748 Jy/beam ! Clean residual mean=0.000010 rms=0.000990 Jy/beam ! Combined flux in latest and established models = 1.30325 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 173 components and 1.30325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097514Jy sigma=1.637113 ! Fit after self-cal, rms=0.097490Jy sigma=1.636907 ! 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=0.097490Jy sigma=1.636907 ! Fit after self-cal, rms=0.098179Jy sigma=1.631665 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.249 mas, bmaj=9.844 mas, bpa=-8.582 degrees ! Estimated noise=0.472925 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0068594 Jy ! Component: 100 - total flux cleaned = 0.0109327 Jy ! Component: 150 - total flux cleaned = 0.0131554 Jy ! Component: 200 - total flux cleaned = 0.0143938 Jy ! Total flux subtracted in 200 components = 0.0143938 Jy ! Clean residual min=-0.004551 max=0.004323 Jy/beam ! Clean residual mean=0.000019 rms=0.001256 Jy/beam ! Combined flux in latest and established models = 1.31765 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 203 components and 1.31765 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097643Jy sigma=1.631434 ! Fit after self-cal, rms=0.097600Jy sigma=1.631017 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 = 0.00072658 Jy ! Component: 100 - total flux cleaned = 0.00110672 Jy ! Component: 150 - total flux cleaned = 0.00153835 Jy ! Component: 200 - total flux cleaned = 0.00201205 Jy ! Total flux subtracted in 200 components = 0.00201205 Jy ! Clean residual min=-0.004479 max=0.003994 Jy/beam ! Clean residual mean=0.000018 rms=0.001199 Jy/beam ! Combined flux in latest and established models = 1.31966 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 213 components and 1.31966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097482Jy sigma=1.630322 ! Fit after self-cal, rms=0.097474Jy sigma=1.630270 ! 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=3.159 mas, bmaj=6.901 mas, bpa=-0.6018 degrees ! Estimated noise=0.372553 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.159 x 6.901 at -0.6018 degrees (North through East) ! Clean map min=-0.0081886 max=1.1876 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=0.097474Jy sigma=1.630270 ! Fit after self-cal, rms=0.050156Jy sigma=0.739234 ! Inverting map and beam ! Estimated beam: bmin=3.161 mas, bmaj=6.909 mas, bpa=-0.6097 degrees ! Estimated noise=0.37228 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00261153 Jy ! Component: 100 - total flux cleaned = -0.00348978 Jy ! Component: 150 - total flux cleaned = -0.00398309 Jy ! Component: 200 - total flux cleaned = -0.00416929 Jy ! Total flux subtracted in 200 components = -0.00416929 Jy ! Clean residual min=-0.003425 max=0.003230 Jy/beam ! Clean residual mean=0.000003 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 1.31549 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 232 components and 1.31549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049698Jy sigma=0.730998 ! Fit after self-cal, rms=0.049675Jy sigma=0.730731 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000130642 Jy ! Component: 100 - total flux cleaned = -0.000135864 Jy ! Component: 150 - total flux cleaned = -0.00013922 Jy ! Component: 200 - total flux cleaned = -0.000141549 Jy ! Total flux subtracted in 200 components = -0.000141549 Jy ! Clean residual min=-0.003218 max=0.003195 Jy/beam ! Clean residual mean=0.000003 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 1.31535 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 244 components and 1.31535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049411Jy sigma=0.726364 ! Fit after self-cal, rms=0.049404Jy sigma=0.726273 ! Inverting map ! Added new window around map position (-20.5, 55). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00144561 Jy ! Component: 100 - total flux cleaned = 0.00121323 Jy ! Component: 150 - total flux cleaned = 0.00113953 Jy ! Component: 200 - total flux cleaned = 0.00106914 Jy ! Total flux subtracted in 200 components = 0.00106914 Jy ! Clean residual min=-0.003110 max=0.002851 Jy/beam ! Clean residual mean=0.000004 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 1.31642 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 260 components and 1.31642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049121Jy sigma=0.721570 ! Fit after self-cal, rms=0.049111Jy sigma=0.721415 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049111Jy sigma=0.721415 ! Fit after self-cal, rms=0.048977Jy sigma=0.719735 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=2.619 mas, bmaj=5.904 mas, bpa=-0.3516 degrees ! Estimated noise=0.536296 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.912753 Jy ! Component: 100 - total flux cleaned = 1.114 Jy ! Component: 150 - total flux cleaned = 1.18378 Jy ! Component: 200 - total flux cleaned = 1.22101 Jy ! Total flux subtracted in 200 components = 1.22101 Jy ! Clean residual min=-0.009184 max=0.018770 Jy/beam ! Clean residual mean=0.000018 rms=0.002210 Jy/beam ! Combined flux in latest and established models = 1.22101 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 14 model components to the UV plane model. ! The established model now contains 14 components and 1.22101 Jy ! Inverting map and beam ! Estimated beam: bmin=3.163 mas, bmaj=6.908 mas, bpa=-0.5906 degrees ! Estimated noise=0.372171 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 = 0.0309317 Jy ! Component: 100 - total flux cleaned = 0.0496533 Jy ! Component: 150 - total flux cleaned = 0.0622795 Jy ! Component: 200 - total flux cleaned = 0.0697194 Jy ! Total flux subtracted in 200 components = 0.0697194 Jy ! Clean residual min=-0.005370 max=0.006642 Jy/beam ! Clean residual mean=0.000010 rms=0.001198 Jy/beam ! Combined flux in latest and established models = 1.29073 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 52 components and 1.29073 Jy ! Inverting map ! Added new window around map position (8.5, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00431037 Jy ! Component: 100 - total flux cleaned = 0.0069987 Jy ! Component: 150 - total flux cleaned = 0.00953958 Jy ! Component: 200 - total flux cleaned = 0.011234 Jy ! Total flux subtracted in 200 components = 0.011234 Jy ! Clean residual min=-0.004547 max=0.004504 Jy/beam ! Clean residual mean=0.000005 rms=0.000927 Jy/beam ! Combined flux in latest and established models = 1.30197 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 70 components and 1.30197 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=7.253 mas, bmaj=9.866 mas, bpa=-8.651 degrees ! Estimated noise=0.471699 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00402129 Jy ! Component: 100 - total flux cleaned = 0.00543111 Jy ! Component: 150 - total flux cleaned = 0.00661421 Jy ! Component: 200 - total flux cleaned = 0.00773951 Jy ! Total flux subtracted in 200 components = 0.00773951 Jy ! Clean residual min=-0.002822 max=0.003210 Jy/beam ! Clean residual mean=0.000006 rms=0.000818 Jy/beam ! Combined flux in latest and established models = 1.30971 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 = 0.000847348 Jy ! Component: 100 - total flux cleaned = 0.0014001 Jy ! Component: 150 - total flux cleaned = 0.00192072 Jy ! Component: 200 - total flux cleaned = 0.00247948 Jy ! Total flux subtracted in 200 components = 0.00247948 Jy ! Clean residual min=-0.002712 max=0.003010 Jy/beam ! Clean residual mean=0.000006 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 1.31219 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 126 components and 1.31219 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.163 mas, bmaj=6.908 mas, bpa=-0.5906 degrees ! Estimated noise=0.372171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00175818 Jy ! Component: 100 - total flux cleaned = -0.00133533 Jy ! Component: 150 - total flux cleaned = -0.000823119 Jy ! Component: 200 - total flux cleaned = -0.000229277 Jy ! Total flux subtracted in 200 components = -0.000229277 Jy ! Clean residual min=-0.003514 max=0.003983 Jy/beam ! Clean residual mean=0.000004 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 1.31196 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 145 components and 1.31196 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050489Jy sigma=0.738329 ! Fit after self-cal, rms=0.050262Jy sigma=0.733686 wmodel J1146+3958_S_map.mod ! Writing 145 model components to file: J1146+3958_S_map.mod wobs J1146+3958_S_uvs.fits ! Writing UV FITS file: J1146+3958_S_uvs.fits wwins J1146+3958_S_map.win ! wwins: Wrote 8 windows to J1146+3958_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 = 0.00160538 Jy ! Component: 100 - total flux cleaned = 0.00257732 Jy ! Component: 150 - total flux cleaned = 0.00334006 Jy ! Component: 200 - total flux cleaned = 0.00417907 Jy ! Component: 250 - total flux cleaned = 0.00458579 Jy ! Component: 300 - total flux cleaned = 0.00498143 Jy ! Component: 350 - total flux cleaned = 0.00546417 Jy ! Component: 400 - total flux cleaned = 0.00593588 Jy ! Component: 450 - total flux cleaned = 0.00644433 Jy ! Component: 500 - total flux cleaned = 0.00685273 Jy ! Component: 550 - total flux cleaned = 0.00720892 Jy ! Component: 600 - total flux cleaned = 0.00764472 Jy ! Component: 650 - total flux cleaned = 0.00794403 Jy ! Component: 700 - total flux cleaned = 0.00819654 Jy ! Component: 750 - total flux cleaned = 0.00852745 Jy ! Component: 800 - total flux cleaned = 0.00869008 Jy ! Component: 850 - total flux cleaned = 0.00893123 Jy ! Component: 900 - total flux cleaned = 0.00905107 Jy ! Component: 950 - total flux cleaned = 0.00932529 Jy ! Component: 1000 - total flux cleaned = 0.00955655 Jy ! Component: 1050 - total flux cleaned = 0.00959478 Jy ! Component: 1100 - total flux cleaned = 0.00978296 Jy ! Component: 1150 - total flux cleaned = 0.0098202 Jy ! Component: 1200 - total flux cleaned = 0.0101141 Jy ! Component: 1250 - total flux cleaned = 0.0101865 Jy ! Component: 1300 - total flux cleaned = 0.0103653 Jy ! Component: 1350 - total flux cleaned = 0.0103649 Jy ! Component: 1400 - total flux cleaned = 0.0105406 Jy ! Component: 1450 - total flux cleaned = 0.0104369 Jy ! Component: 1500 - total flux cleaned = 0.0106438 Jy ! Component: 1550 - total flux cleaned = 0.0106097 Jy ! Component: 1600 - total flux cleaned = 0.0106773 Jy ! Component: 1650 - total flux cleaned = 0.0108106 Jy ! Component: 1700 - total flux cleaned = 0.010909 Jy ! Component: 1750 - total flux cleaned = 0.0109089 Jy ! Component: 1800 - total flux cleaned = 0.010909 Jy ! Component: 1850 - total flux cleaned = 0.011005 Jy ! Component: 1900 - total flux cleaned = 0.0109735 Jy ! Component: 1950 - total flux cleaned = 0.0109737 Jy ! Component: 2000 - total flux cleaned = 0.0109427 Jy ! Component: 2050 - total flux cleaned = 0.011004 Jy ! Component: 2100 - total flux cleaned = 0.0108515 Jy ! Component: 2150 - total flux cleaned = 0.0107313 Jy ! Component: 2200 - total flux cleaned = 0.0109408 Jy ! Component: 2250 - total flux cleaned = 0.010852 Jy ! Component: 2300 - total flux cleaned = 0.0109108 Jy ! Component: 2350 - total flux cleaned = 0.0108815 Jy ! Component: 2400 - total flux cleaned = 0.0110263 Jy ! Component: 2450 - total flux cleaned = 0.0109401 Jy ! Component: 2500 - total flux cleaned = 0.0110257 Jy ! Component: 2550 - total flux cleaned = 0.0110255 Jy ! Component: 2600 - total flux cleaned = 0.0110535 Jy ! Component: 2650 - total flux cleaned = 0.0110259 Jy ! Component: 2700 - total flux cleaned = 0.0111364 Jy ! Component: 2750 - total flux cleaned = 0.011054 Jy ! Component: 2800 - total flux cleaned = 0.0109727 Jy ! Component: 2850 - total flux cleaned = 0.0111076 Jy ! Component: 2900 - total flux cleaned = 0.0110278 Jy ! Component: 2950 - total flux cleaned = 0.0111074 Jy ! Component: 3000 - total flux cleaned = 0.0110286 Jy ! Component: 3050 - total flux cleaned = 0.0110286 Jy ! Component: 3100 - total flux cleaned = 0.0111327 Jy ! Component: 3150 - total flux cleaned = 0.0110041 Jy ! Component: 3200 - total flux cleaned = 0.0110553 Jy ! Component: 3250 - total flux cleaned = 0.0109286 Jy ! Component: 3300 - total flux cleaned = 0.0109538 Jy ! Component: 3350 - total flux cleaned = 0.0110037 Jy ! Component: 3400 - total flux cleaned = 0.0109288 Jy ! Component: 3450 - total flux cleaned = 0.0109534 Jy ! Component: 3500 - total flux cleaned = 0.0108795 Jy ! Component: 3550 - total flux cleaned = 0.0107825 Jy ! Component: 3600 - total flux cleaned = 0.0108068 Jy ! Component: 3650 - total flux cleaned = 0.0109027 Jy ! Component: 3700 - total flux cleaned = 0.010855 Jy ! Component: 3750 - total flux cleaned = 0.0109496 Jy ! Component: 3800 - total flux cleaned = 0.0109261 Jy ! Component: 3850 - total flux cleaned = 0.0109727 Jy ! Component: 3900 - total flux cleaned = 0.0109494 Jy ! Component: 3950 - total flux cleaned = 0.0109955 Jy ! Component: 4000 - total flux cleaned = 0.0109038 Jy ! Component: 4050 - total flux cleaned = 0.0109039 Jy ! Total flux subtracted in 4096 components = 0.0109038 Jy ! Clean residual min=-0.001601 max=0.001318 Jy/beam ! Clean residual mean=-0.000001 rms=0.000415 Jy/beam ! Combined flux in latest and established models = 1.32286 Jy keep ! Adding 295 model components to the UV plane model. ! The established model now contains 439 components and 1.32286 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1146+3958_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.163 x 6.908 at -0.5906 degrees (North through East) ! Clean map min=-0.006714 max=1.1914 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1146+3958_S_map.fits wmodel /vlbi/bp222/maps//J1146+3958_S_map.mod ! Writing 439 model components to file: /vlbi/bp222/maps//J1146+3958_S_map.mod wobs /vlbi/bp222/maps//J1146+3958_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1146+3958_S_uvs.fits wwins /vlbi/bp222/maps//J1146+3958_S_map.win ! wwins: Wrote 9 windows to /vlbi/bp222/maps//J1146+3958_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.1914 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000413249 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.104058 0.104058 0.208116 0.416231 0.832462 1.66492 3.32985 6.6597 13.3194 26.6388 53.2776 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.191 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2883.01 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1146+3958_S_dfm.log closed on Mon Jan 14 16:46:28 2019