! Started logfile: /vlbi/uf001/uvm//J1709-1728_S_a_dfm.log on Sun Jan 13 22:05:02 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//J1709-1728_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1709-1728_S_a_uvm.fits ! AN table 1: 4 integrations on 21 of 21 possible baselines. ! AN table 2: 8 integrations on 21 of 21 possible baselines. ! AN table 3: 4 integrations on 1 of 1 possible baselines. ! AN table 4: 17 integrations on 1 of 1 possible baselines. ! AN table 5: 14 integrations on 45 of 45 possible baselines. ! AN table 6: 5 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.844679 visibilities/baseline/integration-bin. ! Found source: J1709-1728 ! ! 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 2643 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 J1709-1728_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 9 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! A total of 8 telescope corrections were flagged in sub-array 3. ! A total of 34 telescope corrections were flagged in sub-array 4. ! A total of 30 telescope corrections were flagged in sub-array 5. ! A total of 10 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! A total of 8 telescope corrections were flagged in sub-array 3. ! A total of 34 telescope corrections were flagged in sub-array 4. ! A total of 30 telescope corrections were flagged in sub-array 5. ! A total of 10 telescope corrections were flagged in sub-array 6. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! A total of 8 telescope corrections were flagged in sub-array 3. ! A total of 34 telescope corrections were flagged in sub-array 4. ! A total of 30 telescope corrections were flagged in sub-array 5. ! A total of 10 telescope corrections were flagged in sub-array 6. ! ! Fit before self-cal, rms=1.055203Jy sigma=16.452816 ! Fit after self-cal, rms=0.689955Jy sigma=10.752759 ! 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=2.722 mas, bmaj=7.132 mas, bpa=-3.064 degrees ! Estimated noise=1.21697 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 = 0.221953 Jy ! Component: 100 - total flux cleaned = 0.290143 Jy ! Total flux subtracted in 100 components = 0.290143 Jy ! Clean residual min=-0.015431 max=0.034283 Jy/beam ! Clean residual mean=0.000053 rms=0.004803 Jy/beam ! Combined flux in latest and established models = 0.290143 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 25 components and 0.290143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.140599Jy sigma=2.037383 ! Fit after self-cal, rms=0.140580Jy sigma=2.036802 ! Inverting map ! Added new window around map position (-1.5, 8.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0406751 Jy ! Component: 100 - total flux cleaned = 0.0681122 Jy ! Total flux subtracted in 100 components = 0.0681122 Jy ! Clean residual min=-0.014811 max=0.025183 Jy/beam ! Clean residual mean=0.000040 rms=0.003761 Jy/beam ! Combined flux in latest and established models = 0.358255 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 47 components and 0.358255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.119900Jy sigma=1.696094 ! Fit after self-cal, rms=0.119636Jy sigma=1.691177 ! Inverting map ! Added new window around map position (0.5, -13). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0237266 Jy ! Component: 100 - total flux cleaned = 0.0398704 Jy ! Total flux subtracted in 100 components = 0.0398704 Jy ! Clean residual min=-0.015350 max=0.016637 Jy/beam ! Clean residual mean=0.000028 rms=0.003331 Jy/beam ! Combined flux in latest and established models = 0.398126 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 63 components and 0.398126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.112860Jy sigma=1.579568 ! Fit after self-cal, rms=0.112827Jy sigma=1.578706 ! 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=3.355 mas, bmaj=8.406 mas, bpa=-2.431 degrees ! Estimated noise=1.00165 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6, -8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0256455 Jy ! Component: 100 - total flux cleaned = 0.04122 Jy ! Component: 150 - total flux cleaned = 0.0522663 Jy ! Component: 200 - total flux cleaned = 0.0579766 Jy ! Total flux subtracted in 200 components = 0.0579766 Jy ! Clean residual min=-0.012510 max=0.014783 Jy/beam ! Clean residual mean=0.000013 rms=0.003216 Jy/beam ! Combined flux in latest and established models = 0.456102 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 94 components and 0.456102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.105805Jy sigma=1.466767 ! Fit after self-cal, rms=0.105411Jy sigma=1.460301 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.355 x 8.406 at -2.431 degrees (North through East) ! Clean map min=-0.011083 max=0.29605 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.94 KP 0.93 LA 0.95 ! MK 1.03 OV 0.88 PT 1.30 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 0.80 KP 0.96 LA 0.90 ! MK 1.02 NL 1.15 OV 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* MK 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! HN 0.00* SC 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 1.24 FD 0.94 HN 1.21 KP 0.99 ! LA 0.93 MK 1.05 NL 1.03 OV 1.00 ! PT 0.99 SC 1.01 ! ! Telescope amplitude corrections in sub-array 6: ! BR 0.95 FD 1.01 KP 0.96 LA 0.95 ! MK 0.95 NL 0.99 OV 0.89 PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.89 KP 0.93 LA 0.94 ! MK 1.00 OV 0.96 PT 1.30 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 0.79 KP 0.99 LA 0.91 ! MK 0.98 NL 1.19 OV 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* MK 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! HN 0.00* SC 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 2.20 FD 0.93 HN 1.21 KP 1.03 ! LA 0.94 MK 1.06 NL 0.99 OV 0.96 ! PT 1.00 SC 0.99 ! ! Telescope amplitude corrections in sub-array 6: ! BR 2.98 FD 1.00 KP 0.93 LA 0.90 ! MK 0.93 NL 1.05 OV 0.92 PT 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.83 KP 0.99 LA 0.99 ! MK 0.98 OV 0.89 PT 1.21 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 0.82 KP 0.97 LA 0.89 ! MK 0.99 NL 1.15 OV 0.96 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* MK 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! HN 0.00* SC 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! BR 1.30 FD 0.96 HN 1.18 KP 1.01 ! LA 0.94 MK 1.02 NL 1.02 OV 1.01 ! PT 1.01 SC 0.96 ! ! Telescope amplitude corrections in sub-array 6: ! BR 1.21 FD 0.99 KP 0.95 LA 0.88 ! MK 1.03 NL 0.99 OV 0.93 PT 0.95 ! ! ! Fit before self-cal, rms=0.105411Jy sigma=1.460301 ! Fit after self-cal, rms=0.111908Jy sigma=1.238072 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.406 mas, bmaj=8.588 mas, bpa=-2.18 degrees ! Estimated noise=1.00915 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 = -0.005725 Jy ! Component: 100 - total flux cleaned = -0.00690029 Jy ! Component: 150 - total flux cleaned = -0.00738485 Jy ! Component: 200 - total flux cleaned = -0.00781922 Jy ! Total flux subtracted in 200 components = -0.00781922 Jy ! Clean residual min=-0.006687 max=0.008649 Jy/beam ! Clean residual mean=0.000072 rms=0.001931 Jy/beam ! Combined flux in latest and established models = 0.448283 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 115 components and 0.448283 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.111507Jy sigma=1.229699 ! Fit after self-cal, rms=0.111709Jy sigma=1.228607 ! 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=0.111709Jy sigma=1.228607 ! Fit after self-cal, rms=0.108346Jy sigma=1.181940 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.421 mas, bmaj=8.652 mas, bpa=-2.362 degrees ! Estimated noise=1.01077 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00451627 Jy ! Component: 100 - total flux cleaned = -0.00499975 Jy ! Component: 150 - total flux cleaned = -0.00490807 Jy ! Component: 200 - total flux cleaned = -0.00491179 Jy ! Total flux subtracted in 200 components = -0.00491179 Jy ! Clean residual min=-0.005748 max=0.007098 Jy/beam ! Clean residual mean=0.000060 rms=0.001649 Jy/beam ! Combined flux in latest and established models = 0.443371 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 132 components and 0.443371 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.108028Jy sigma=1.176744 ! Fit after self-cal, rms=0.107961Jy sigma=1.175845 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 (6.5, -10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00651003 Jy ! Component: 100 - total flux cleaned = 0.00773261 Jy ! Component: 150 - total flux cleaned = 0.00773966 Jy ! Component: 200 - total flux cleaned = 0.00774194 Jy ! Total flux subtracted in 200 components = 0.00774194 Jy ! Clean residual min=-0.005465 max=0.006959 Jy/beam ! Clean residual mean=0.000048 rms=0.001555 Jy/beam ! Combined flux in latest and established models = 0.451113 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 158 components and 0.451113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.107441Jy sigma=1.167045 ! Fit after self-cal, rms=0.107358Jy sigma=1.166028 ! Inverting map ! Added new window around map position (75, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00225798 Jy ! Component: 100 - total flux cleaned = 0.0014373 Jy ! Component: 150 - total flux cleaned = 0.00115618 Jy ! Component: 200 - total flux cleaned = 0.00067607 Jy ! Total flux subtracted in 200 components = 0.00067607 Jy ! Clean residual min=-0.005031 max=0.005471 Jy/beam ! Clean residual mean=0.000048 rms=0.001493 Jy/beam ! Combined flux in latest and established models = 0.451789 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 177 components and 0.451789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.106461Jy sigma=1.159257 ! Fit after self-cal, rms=0.106417Jy sigma=1.158770 ! 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=0.106417Jy sigma=1.158770 ! Fit after self-cal, rms=0.126488Jy sigma=1.112564 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.421 mas, bmaj=8.674 mas, bpa=-2.205 degrees ! Estimated noise=1.00895 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000703474 Jy ! Component: 100 - total flux cleaned = -0.00118006 Jy ! Component: 150 - total flux cleaned = -0.00142918 Jy ! Component: 200 - total flux cleaned = -0.00158146 Jy ! Total flux subtracted in 200 components = -0.00158146 Jy ! Clean residual min=-0.004471 max=0.004823 Jy/beam ! Clean residual mean=0.000046 rms=0.001138 Jy/beam ! Combined flux in latest and established models = 0.450208 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 205 components and 0.450208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126319Jy sigma=1.109375 ! Fit after self-cal, rms=0.126336Jy sigma=1.109024 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 = -0.00029435 Jy ! Component: 100 - total flux cleaned = -0.000364852 Jy ! Component: 150 - total flux cleaned = -0.000368185 Jy ! Component: 200 - total flux cleaned = -0.000435402 Jy ! Total flux subtracted in 200 components = -0.000435402 Jy ! Clean residual min=-0.004332 max=0.004708 Jy/beam ! Clean residual mean=0.000046 rms=0.001120 Jy/beam ! Combined flux in latest and established models = 0.449773 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 222 components and 0.449773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126251Jy sigma=1.107308 ! Fit after self-cal, rms=0.126243Jy sigma=1.107184 ! 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=0.126243Jy sigma=1.107184 ! Fit after self-cal, rms=0.126761Jy sigma=1.106799 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.782 mas, bmaj=15.21 mas, bpa=5.915 degrees ! Estimated noise=1.27922 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000758568 Jy ! Component: 100 - total flux cleaned = -0.000762118 Jy ! Component: 150 - total flux cleaned = -0.000761815 Jy ! Component: 200 - total flux cleaned = -0.000813613 Jy ! Total flux subtracted in 200 components = -0.000813613 Jy ! Clean residual min=-0.005229 max=0.004277 Jy/beam ! Clean residual mean=0.000091 rms=0.001373 Jy/beam ! Combined flux in latest and established models = 0.448959 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 240 components and 0.448959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126677Jy sigma=1.105865 ! Fit after self-cal, rms=0.126652Jy sigma=1.105611 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 = 2.49432e-05 Jy ! Component: 100 - total flux cleaned = 2.84711e-05 Jy ! Component: 150 - total flux cleaned = 2.73281e-05 Jy ! Component: 200 - total flux cleaned = -5.27472e-05 Jy ! Total flux subtracted in 200 components = -5.27472e-05 Jy ! Clean residual min=-0.005151 max=0.004283 Jy/beam ! Clean residual mean=0.000091 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.448906 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 248 components and 0.448906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126610Jy sigma=1.105206 ! Fit after self-cal, rms=0.126601Jy sigma=1.105113 ! 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=3.421 mas, bmaj=8.677 mas, bpa=-2.121 degrees ! Estimated noise=1.00673 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.421 x 8.677 at -2.121 degrees (North through East) ! Clean map min=-0.0043624 max=0.29905 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.743 mas, bmaj=7.292 mas, bpa=-2.656 degrees ! Estimated noise=1.26572 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.230527 Jy ! Component: 100 - total flux cleaned = 0.298649 Jy ! Component: 150 - total flux cleaned = 0.337178 Jy ! Component: 200 - total flux cleaned = 0.361055 Jy ! Total flux subtracted in 200 components = 0.361055 Jy ! Clean residual min=-0.007680 max=0.012792 Jy/beam ! Clean residual mean=0.000055 rms=0.002311 Jy/beam ! Combined flux in latest and established models = 0.361055 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 40 model components to the UV plane model. ! The established model now contains 40 components and 0.361055 Jy ! Inverting map and beam ! Estimated beam: bmin=3.421 mas, bmaj=8.677 mas, bpa=-2.121 degrees ! Estimated noise=1.00673 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 = 0.0243261 Jy ! Component: 100 - total flux cleaned = 0.0402787 Jy ! Component: 150 - total flux cleaned = 0.0519977 Jy ! Component: 200 - total flux cleaned = 0.0607866 Jy ! Total flux subtracted in 200 components = 0.0607866 Jy ! Clean residual min=-0.006025 max=0.005888 Jy/beam ! Clean residual mean=0.000085 rms=0.001494 Jy/beam ! Combined flux in latest and established models = 0.421842 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 98 components and 0.421842 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=7.782 mas, bmaj=15.21 mas, bpa=5.915 degrees ! Estimated noise=1.27922 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00939525 Jy ! Component: 100 - total flux cleaned = 0.0154405 Jy ! Component: 150 - total flux cleaned = 0.0184256 Jy ! Component: 200 - total flux cleaned = 0.0201319 Jy ! Total flux subtracted in 200 components = 0.0201319 Jy ! Clean residual min=-0.004827 max=0.005162 Jy/beam ! Clean residual mean=0.000115 rms=0.001514 Jy/beam ! Combined flux in latest and established models = 0.441974 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 = 0.00105314 Jy ! Component: 100 - total flux cleaned = 0.00207489 Jy ! Component: 150 - total flux cleaned = 0.00295136 Jy ! Component: 200 - total flux cleaned = 0.00363086 Jy ! Total flux subtracted in 200 components = 0.00363086 Jy ! Clean residual min=-0.004918 max=0.004481 Jy/beam ! Clean residual mean=0.000104 rms=0.001407 Jy/beam ! Combined flux in latest and established models = 0.445605 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 178 components and 0.445604 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.421 mas, bmaj=8.677 mas, bpa=-2.121 degrees ! Estimated noise=1.00673 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0007291 Jy ! Component: 100 - total flux cleaned = 0.00143773 Jy ! Component: 150 - total flux cleaned = 0.00196951 Jy ! Component: 200 - total flux cleaned = 0.00216644 Jy ! Total flux subtracted in 200 components = 0.00216644 Jy ! Clean residual min=-0.004913 max=0.004682 Jy/beam ! Clean residual mean=0.000048 rms=0.001125 Jy/beam ! Combined flux in latest and established models = 0.447771 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 207 components and 0.447771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.127423Jy sigma=1.111531 ! Fit after self-cal, rms=0.127249Jy sigma=1.110200 wmodel J1709-1728_S_a_map.mod ! Writing 207 model components to file: J1709-1728_S_a_map.mod wobs J1709-1728_S_a_uvs.fits ! Writing UV FITS file: J1709-1728_S_a_uvs.fits wwins J1709-1728_S_a_map.win ! wwins: Wrote 6 windows to J1709-1728_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 = 0.000379241 Jy ! Component: 100 - total flux cleaned = 0.000378928 Jy ! Component: 150 - total flux cleaned = 1.51188e-05 Jy ! Component: 200 - total flux cleaned = -5.63719e-05 Jy ! Component: 250 - total flux cleaned = -0.000126892 Jy ! Component: 300 - total flux cleaned = -0.00019464 Jy ! Component: 350 - total flux cleaned = -0.000259437 Jy ! Component: 400 - total flux cleaned = -0.000322321 Jy ! Component: 450 - total flux cleaned = -0.000446627 Jy ! Component: 500 - total flux cleaned = -0.000445212 Jy ! Component: 550 - total flux cleaned = -0.000444349 Jy ! Component: 600 - total flux cleaned = -0.000326845 Jy ! Component: 650 - total flux cleaned = -0.000327083 Jy ! Component: 700 - total flux cleaned = -0.0003269 Jy ! Component: 750 - total flux cleaned = -0.000214156 Jy ! Component: 800 - total flux cleaned = -0.000158224 Jy ! Component: 850 - total flux cleaned = -4.74676e-05 Jy ! Component: 900 - total flux cleaned = -4.78484e-05 Jy ! Component: 950 - total flux cleaned = 5.87239e-05 Jy ! Component: 1000 - total flux cleaned = 5.80458e-05 Jy ! Component: 1050 - total flux cleaned = -0.000151559 Jy ! Component: 1100 - total flux cleaned = -4.70128e-05 Jy ! Component: 1150 - total flux cleaned = -4.67607e-05 Jy ! Component: 1200 - total flux cleaned = 5.47931e-05 Jy ! Component: 1250 - total flux cleaned = 5.4223e-05 Jy ! Component: 1300 - total flux cleaned = 0.000104254 Jy ! Component: 1350 - total flux cleaned = 0.000301903 Jy ! Component: 1400 - total flux cleaned = 0.000301518 Jy ! Component: 1450 - total flux cleaned = 0.000592884 Jy ! Component: 1500 - total flux cleaned = 0.000592583 Jy ! Component: 1550 - total flux cleaned = 0.000830813 Jy ! Component: 1600 - total flux cleaned = 0.0010198 Jy ! Component: 1650 - total flux cleaned = 0.00120688 Jy ! Component: 1700 - total flux cleaned = 0.00134626 Jy ! Component: 1750 - total flux cleaned = 0.00166956 Jy ! Component: 1800 - total flux cleaned = 0.0017154 Jy ! Component: 1850 - total flux cleaned = 0.00198794 Jy ! Component: 1900 - total flux cleaned = 0.00221358 Jy ! Component: 1950 - total flux cleaned = 0.00243779 Jy ! Component: 2000 - total flux cleaned = 0.00252644 Jy ! Component: 2050 - total flux cleaned = 0.00283512 Jy ! Component: 2100 - total flux cleaned = 0.00296654 Jy ! Component: 2150 - total flux cleaned = 0.00309768 Jy ! Component: 2200 - total flux cleaned = 0.00335757 Jy ! Component: 2250 - total flux cleaned = 0.0034005 Jy ! Component: 2300 - total flux cleaned = 0.00378435 Jy ! Component: 2350 - total flux cleaned = 0.00386869 Jy ! Component: 2400 - total flux cleaned = 0.00391115 Jy ! Component: 2450 - total flux cleaned = 0.00395286 Jy ! Component: 2500 - total flux cleaned = 0.00411982 Jy ! Component: 2550 - total flux cleaned = 0.00411955 Jy ! Component: 2600 - total flux cleaned = 0.00428443 Jy ! Component: 2650 - total flux cleaned = 0.00440689 Jy ! Component: 2700 - total flux cleaned = 0.00440694 Jy ! Component: 2750 - total flux cleaned = 0.00456855 Jy ! Component: 2800 - total flux cleaned = 0.00444791 Jy ! Component: 2850 - total flux cleaned = 0.00456783 Jy ! Component: 2900 - total flux cleaned = 0.00480604 Jy ! Component: 2950 - total flux cleaned = 0.00488496 Jy ! Component: 3000 - total flux cleaned = 0.00488526 Jy ! Component: 3050 - total flux cleaned = 0.00508093 Jy ! Component: 3100 - total flux cleaned = 0.0051198 Jy ! Component: 3150 - total flux cleaned = 0.00539056 Jy ! Component: 3200 - total flux cleaned = 0.00554432 Jy ! Component: 3250 - total flux cleaned = 0.0056972 Jy ! Component: 3300 - total flux cleaned = 0.00573509 Jy ! Component: 3350 - total flux cleaned = 0.00588696 Jy ! Component: 3400 - total flux cleaned = 0.0061503 Jy ! Component: 3450 - total flux cleaned = 0.0061503 Jy ! Component: 3500 - total flux cleaned = 0.00629901 Jy ! Component: 3550 - total flux cleaned = 0.00652124 Jy ! Component: 3600 - total flux cleaned = 0.00652108 Jy ! Component: 3650 - total flux cleaned = 0.00659481 Jy ! Component: 3700 - total flux cleaned = 0.00681373 Jy ! Component: 3750 - total flux cleaned = 0.00692291 Jy ! Component: 3800 - total flux cleaned = 0.00717599 Jy ! Component: 3850 - total flux cleaned = 0.00717585 Jy ! Component: 3900 - total flux cleaned = 0.00749765 Jy ! Component: 3950 - total flux cleaned = 0.00767556 Jy ! Component: 4000 - total flux cleaned = 0.00763978 Jy ! Component: 4050 - total flux cleaned = 0.00774541 Jy ! Total flux subtracted in 4096 components = 0.00774576 Jy ! Clean residual min=-0.002027 max=0.001953 Jy/beam ! Clean residual mean=0.000048 rms=0.000660 Jy/beam ! Combined flux in latest and established models = 0.455517 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 491 components and 0.455517 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1709-1728_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.421 x 8.677 at -2.121 degrees (North through East) ! Clean map min=-0.0039562 max=0.30368 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1709-1728_S_a_map.fits wmodel /vlbi/uf001/uvm//J1709-1728_S_a_map.mod ! Writing 491 model components to file: /vlbi/uf001/uvm//J1709-1728_S_a_map.mod wobs /vlbi/uf001/uvm//J1709-1728_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1709-1728_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1709-1728_S_a_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uvm//J1709-1728_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.303675 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000658689 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.650717 0.650717 1.30143 2.60287 5.20574 10.4115 20.8229 41.6459 83.2918 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.303 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 461.029 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1709-1728_S_a_dfm.log closed on Sun Jan 13 22:05:06 2019