! Started logfile: /vlbi/uf001/uva//J2018+0831_S_dfm.log on Mon Jan 14 05:26:28 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/uva//J2018+0831_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2018+0831_S_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.968421 visibilities/baseline/integration-bin. ! Found source: J2018+0831 ! ! 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 7452 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 J2018+0831_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 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.149799Jy sigma=23.021054 ! Fit after self-cal, rms=0.491450Jy sigma=10.087707 ! 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=2.742 mas, bmaj=6.809 mas, bpa=-4.301 degrees ! Estimated noise=0.561674 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 = 0.391014 Jy ! Component: 100 - total flux cleaned = 0.478029 Jy ! Total flux subtracted in 100 components = 0.478029 Jy ! Clean residual min=-0.011474 max=0.030122 Jy/beam ! Clean residual mean=-0.000057 rms=0.003538 Jy/beam ! Combined flux in latest and established models = 0.478029 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.478029 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.102777Jy sigma=1.827264 ! Fit after self-cal, rms=0.102750Jy sigma=1.826955 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0332622 Jy ! Component: 100 - total flux cleaned = 0.0526121 Jy ! Total flux subtracted in 100 components = 0.0526121 Jy ! Clean residual min=-0.011588 max=0.013679 Jy/beam ! Clean residual mean=-0.000022 rms=0.002571 Jy/beam ! Combined flux in latest and established models = 0.530641 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 25 components and 0.530641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.087773Jy sigma=1.516066 ! Fit after self-cal, rms=0.087711Jy sigma=1.514779 ! 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=3.236 mas, bmaj=7.575 mas, bpa=-3.416 degrees ! Estimated noise=0.417938 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 = 0.0152545 Jy ! Component: 100 - total flux cleaned = 0.0234606 Jy ! Component: 150 - total flux cleaned = 0.0282009 Jy ! Component: 200 - total flux cleaned = 0.0310865 Jy ! Total flux subtracted in 200 components = 0.0310865 Jy ! Clean residual min=-0.009854 max=0.011557 Jy/beam ! Clean residual mean=0.000018 rms=0.002292 Jy/beam ! Combined flux in latest and established models = 0.561728 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 51 components and 0.561728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.084677Jy sigma=1.459889 ! Fit after self-cal, rms=0.084643Jy sigma=1.459202 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.236 x 7.575 at -3.416 degrees (North through East) ! Clean map min=-0.0092602 max=0.50964 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.04 HN 0.98 KP 1.02 ! LA 0.96 MK 0.94 NL 1.04 OV 1.00 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.04 HN 1.01 KP 1.02 ! LA 0.96 MK 0.98 NL 1.04 OV 0.95 ! PT 0.99 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.03 HN 1.01 KP 1.02 ! LA 0.96 MK 1.09 NL 1.05 OV 1.01 ! PT 1.00 SC 1.06 ! ! ! Fit before self-cal, rms=0.084643Jy sigma=1.459202 ! Fit after self-cal, rms=0.072363Jy sigma=1.322489 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.253 mas, bmaj=7.581 mas, bpa=-3.529 degrees ! Estimated noise=0.418888 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 = 0.00117422 Jy ! Component: 100 - total flux cleaned = 0.00136775 Jy ! Component: 150 - total flux cleaned = 0.00126293 Jy ! Component: 200 - total flux cleaned = 0.00121661 Jy ! Total flux subtracted in 200 components = 0.00121661 Jy ! Clean residual min=-0.007492 max=0.006642 Jy/beam ! Clean residual mean=0.000011 rms=0.001689 Jy/beam ! Combined flux in latest and established models = 0.562944 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 57 components and 0.562944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072259Jy sigma=1.320011 ! Fit after self-cal, rms=0.072229Jy sigma=1.319604 ! 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=0.072229Jy sigma=1.319604 ! Fit after self-cal, rms=0.062668Jy sigma=1.166717 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.249 mas, bmaj=7.583 mas, bpa=-3.385 degrees ! Estimated noise=0.42017 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00241864 Jy ! Component: 100 - total flux cleaned = 0.00304738 Jy ! Component: 150 - total flux cleaned = 0.00338595 Jy ! Component: 200 - total flux cleaned = 0.0035892 Jy ! Total flux subtracted in 200 components = 0.0035892 Jy ! Clean residual min=-0.003272 max=0.006218 Jy/beam ! Clean residual mean=-0.000013 rms=0.000809 Jy/beam ! Combined flux in latest and established models = 0.566534 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 65 components and 0.566534 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062559Jy sigma=1.164838 ! Fit after self-cal, rms=0.062546Jy sigma=1.164599 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 (-0.5, -13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00563266 Jy ! Component: 100 - total flux cleaned = 0.0082845 Jy ! Component: 150 - total flux cleaned = 0.00898863 Jy ! Component: 200 - total flux cleaned = 0.00925448 Jy ! Total flux subtracted in 200 components = 0.00925448 Jy ! Clean residual min=-0.002916 max=0.002655 Jy/beam ! Clean residual mean=-0.000009 rms=0.000669 Jy/beam ! Combined flux in latest and established models = 0.575788 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 83 components and 0.575788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062037Jy sigma=1.154463 ! Fit after self-cal, rms=0.062007Jy sigma=1.153886 ! Inverting map ! Added new window around map position (-9, -26). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153551 Jy ! Component: 100 - total flux cleaned = 0.00181229 Jy ! Component: 150 - total flux cleaned = 0.00232912 Jy ! Component: 200 - total flux cleaned = 0.00278066 Jy ! Total flux subtracted in 200 components = 0.00278066 Jy ! Clean residual min=-0.002519 max=0.002480 Jy/beam ! Clean residual mean=-0.000009 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.578569 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 107 components and 0.578569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061841Jy sigma=1.150690 ! Fit after self-cal, rms=0.061832Jy sigma=1.150487 ! 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=0.061832Jy sigma=1.150487 ! Fit after self-cal, rms=0.059801Jy sigma=1.121439 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.248 mas, bmaj=7.574 mas, bpa=-3.401 degrees ! Estimated noise=0.419518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00160151 Jy ! Component: 100 - total flux cleaned = 0.00216417 Jy ! Component: 150 - total flux cleaned = 0.00265293 Jy ! Component: 200 - total flux cleaned = 0.00294413 Jy ! Total flux subtracted in 200 components = 0.00294413 Jy ! Clean residual min=-0.002129 max=0.001876 Jy/beam ! Clean residual mean=-0.000010 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.581513 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 132 components and 0.581513 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059720Jy sigma=1.119998 ! Fit after self-cal, rms=0.059710Jy sigma=1.119872 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 = 0.000684401 Jy ! Component: 100 - total flux cleaned = 0.000882662 Jy ! Component: 150 - total flux cleaned = 0.00106205 Jy ! Component: 200 - total flux cleaned = 0.00122442 Jy ! Total flux subtracted in 200 components = 0.00122442 Jy ! Clean residual min=-0.002149 max=0.001800 Jy/beam ! Clean residual mean=-0.000009 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 0.582737 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 146 components and 0.582737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059686Jy sigma=1.119425 ! Fit after self-cal, rms=0.059684Jy sigma=1.119398 ! 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=0.059684Jy sigma=1.119398 ! Fit after self-cal, rms=0.059650Jy sigma=1.119186 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.348 mas, bmaj=11.18 mas, bpa=-2.239 degrees ! Estimated noise=0.539217 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134932 Jy ! Component: 100 - total flux cleaned = 0.00192529 Jy ! Component: 150 - total flux cleaned = 0.00207139 Jy ! Component: 200 - total flux cleaned = 0.0021324 Jy ! Total flux subtracted in 200 components = 0.0021324 Jy ! Clean residual min=-0.002540 max=0.002058 Jy/beam ! Clean residual mean=-0.000019 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.58487 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 155 components and 0.58487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059638Jy sigma=1.118910 ! Fit after self-cal, rms=0.059634Jy sigma=1.118846 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 = 0.000417155 Jy ! Component: 100 - total flux cleaned = 0.000521172 Jy ! Component: 150 - total flux cleaned = 0.000596174 Jy ! Component: 200 - total flux cleaned = 0.00066238 Jy ! Total flux subtracted in 200 components = 0.00066238 Jy ! Clean residual min=-0.002439 max=0.002040 Jy/beam ! Clean residual mean=-0.000018 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.585532 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 166 components and 0.585532 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059635Jy sigma=1.118866 ! Fit after self-cal, rms=0.059634Jy sigma=1.118855 ! 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=3.248 mas, bmaj=7.572 mas, bpa=-3.405 degrees ! Estimated noise=0.419542 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.248 x 7.572 at -3.405 degrees (North through East) ! Clean map min=-0.0021429 max=0.51101 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=0.059634Jy sigma=1.118855 ! Fit after self-cal, rms=0.055851Jy sigma=1.038637 ! Inverting map and beam ! Estimated beam: bmin=3.248 mas, bmaj=7.568 mas, bpa=-3.384 degrees ! Estimated noise=0.419688 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000450261 Jy ! Component: 100 - total flux cleaned = 0.000542882 Jy ! Component: 150 - total flux cleaned = 0.000624217 Jy ! Component: 200 - total flux cleaned = 0.000680384 Jy ! Total flux subtracted in 200 components = 0.000680384 Jy ! Clean residual min=-0.002269 max=0.001681 Jy/beam ! Clean residual mean=-0.000009 rms=0.000422 Jy/beam ! Combined flux in latest and established models = 0.586213 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 178 components and 0.586213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055833Jy sigma=1.038325 ! Fit after self-cal, rms=0.055833Jy sigma=1.038303 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000252801 Jy ! Component: 100 - total flux cleaned = 0.000341359 Jy ! Component: 150 - total flux cleaned = 0.000390329 Jy ! Component: 200 - total flux cleaned = 0.000405344 Jy ! Total flux subtracted in 200 components = 0.000405344 Jy ! Clean residual min=-0.002263 max=0.001686 Jy/beam ! Clean residual mean=-0.000008 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.586618 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 183 components and 0.586618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055822Jy sigma=1.038135 ! Fit after self-cal, rms=0.055822Jy sigma=1.038127 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055822Jy sigma=1.038127 ! Fit after self-cal, rms=0.055826Jy sigma=1.038085 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=2.756 mas, bmaj=6.811 mas, bpa=-4.432 degrees ! Estimated noise=0.565408 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.393555 Jy ! Component: 100 - total flux cleaned = 0.481232 Jy ! Component: 150 - total flux cleaned = 0.514642 Jy ! Component: 200 - total flux cleaned = 0.533601 Jy ! Total flux subtracted in 200 components = 0.533601 Jy ! Clean residual min=-0.004088 max=0.009736 Jy/beam ! Clean residual mean=-0.000042 rms=0.001212 Jy/beam ! Combined flux in latest and established models = 0.533601 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.533601 Jy ! Inverting map and beam ! Estimated beam: bmin=3.248 mas, bmaj=7.567 mas, bpa=-3.388 degrees ! Estimated noise=0.419798 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 = 0.0152326 Jy ! Component: 100 - total flux cleaned = 0.0249595 Jy ! Component: 150 - total flux cleaned = 0.0317353 Jy ! Component: 200 - total flux cleaned = 0.0365903 Jy ! Total flux subtracted in 200 components = 0.0365903 Jy ! Clean residual min=-0.002210 max=0.002861 Jy/beam ! Clean residual mean=-0.000015 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.570191 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 76 components and 0.570191 Jy ! Inverting map ! Added new window around map position (4.5, -11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00365911 Jy ! Component: 100 - total flux cleaned = 0.00652133 Jy ! Component: 150 - total flux cleaned = 0.00879914 Jy ! Component: 200 - total flux cleaned = 0.0106682 Jy ! Total flux subtracted in 200 components = 0.0106682 Jy ! Clean residual min=-0.002247 max=0.001822 Jy/beam ! Clean residual mean=-0.000011 rms=0.000470 Jy/beam ! Combined flux in latest and established models = 0.580859 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 113 components and 0.580859 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=7.348 mas, bmaj=11.17 mas, bpa=-2.197 degrees ! Estimated noise=0.539646 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00235775 Jy ! Component: 100 - total flux cleaned = 0.00399315 Jy ! Component: 150 - total flux cleaned = 0.00519012 Jy ! Component: 200 - total flux cleaned = 0.00582316 Jy ! Total flux subtracted in 200 components = 0.00582316 Jy ! Clean residual min=-0.002472 max=0.002055 Jy/beam ! Clean residual mean=-0.000019 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.586682 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 = 0.000279012 Jy ! Component: 100 - total flux cleaned = 0.000442975 Jy ! Component: 150 - total flux cleaned = 0.000614294 Jy ! Component: 200 - total flux cleaned = 0.000725255 Jy ! Total flux subtracted in 200 components = 0.000725255 Jy ! Clean residual min=-0.002413 max=0.002021 Jy/beam ! Clean residual mean=-0.000019 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 0.587408 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 188 components and 0.587407 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.248 mas, bmaj=7.567 mas, bpa=-3.388 degrees ! Estimated noise=0.419798 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.74408e-05 Jy ! Component: 100 - total flux cleaned = 0.000221896 Jy ! Component: 150 - total flux cleaned = 0.000395015 Jy ! Component: 200 - total flux cleaned = 0.000488215 Jy ! Total flux subtracted in 200 components = 0.000488215 Jy ! Clean residual min=-0.002371 max=0.001848 Jy/beam ! Clean residual mean=-0.000008 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.587896 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 204 components and 0.587896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055867Jy sigma=1.038966 ! Fit after self-cal, rms=0.055861Jy sigma=1.038846 wmodel J2018+0831_S_map.mod ! Writing 204 model components to file: J2018+0831_S_map.mod wobs J2018+0831_S_uvs.fits ! Writing UV FITS file: J2018+0831_S_uvs.fits wwins J2018+0831_S_map.win ! wwins: Wrote 4 windows to J2018+0831_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 = -0.000430215 Jy ! Component: 100 - total flux cleaned = -0.000272616 Jy ! Component: 150 - total flux cleaned = -0.000214813 Jy ! Component: 200 - total flux cleaned = -0.000159579 Jy ! Component: 250 - total flux cleaned = -0.000106172 Jy ! Component: 300 - total flux cleaned = -0.000106379 Jy ! Component: 350 - total flux cleaned = -5.8273e-06 Jy ! Component: 400 - total flux cleaned = 0.000116571 Jy ! Component: 450 - total flux cleaned = 0.000164427 Jy ! Component: 500 - total flux cleaned = 0.000281622 Jy ! Component: 550 - total flux cleaned = 0.000350284 Jy ! Component: 600 - total flux cleaned = 0.000462645 Jy ! Component: 650 - total flux cleaned = 0.000484566 Jy ! Component: 700 - total flux cleaned = 0.000549709 Jy ! Component: 750 - total flux cleaned = 0.000635373 Jy ! Component: 800 - total flux cleaned = 0.000761306 Jy ! Component: 850 - total flux cleaned = 0.000823617 Jy ! Component: 900 - total flux cleaned = 0.000966677 Jy ! Component: 950 - total flux cleaned = 0.0010472 Jy ! Component: 1000 - total flux cleaned = 0.00118614 Jy ! Component: 1050 - total flux cleaned = 0.0013039 Jy ! Component: 1100 - total flux cleaned = 0.00140034 Jy ! Component: 1150 - total flux cleaned = 0.00151488 Jy ! Component: 1200 - total flux cleaned = 0.00157127 Jy ! Component: 1250 - total flux cleaned = 0.00158953 Jy ! Component: 1300 - total flux cleaned = 0.00166359 Jy ! Component: 1350 - total flux cleaned = 0.0017728 Jy ! Component: 1400 - total flux cleaned = 0.00184467 Jy ! Component: 1450 - total flux cleaned = 0.00182698 Jy ! Component: 1500 - total flux cleaned = 0.00193274 Jy ! Component: 1550 - total flux cleaned = 0.00200173 Jy ! Component: 1600 - total flux cleaned = 0.00203607 Jy ! Component: 1650 - total flux cleaned = 0.0020871 Jy ! Component: 1700 - total flux cleaned = 0.00212066 Jy ! Component: 1750 - total flux cleaned = 0.00220409 Jy ! Component: 1800 - total flux cleaned = 0.00227004 Jy ! Component: 1850 - total flux cleaned = 0.00225389 Jy ! Component: 1900 - total flux cleaned = 0.00236738 Jy ! Component: 1950 - total flux cleaned = 0.00241544 Jy ! Component: 2000 - total flux cleaned = 0.00249493 Jy ! Component: 2050 - total flux cleaned = 0.00255765 Jy ! Component: 2100 - total flux cleaned = 0.00257321 Jy ! Component: 2150 - total flux cleaned = 0.00257324 Jy ! Component: 2200 - total flux cleaned = 0.00266524 Jy ! Component: 2250 - total flux cleaned = 0.00269543 Jy ! Component: 2300 - total flux cleaned = 0.00272557 Jy ! Component: 2350 - total flux cleaned = 0.00272546 Jy ! Component: 2400 - total flux cleaned = 0.00274001 Jy ! Component: 2450 - total flux cleaned = 0.00275476 Jy ! Component: 2500 - total flux cleaned = 0.00278375 Jy ! Component: 2550 - total flux cleaned = 0.00281212 Jy ! Component: 2600 - total flux cleaned = 0.002798 Jy ! Component: 2650 - total flux cleaned = 0.00281198 Jy ! Component: 2700 - total flux cleaned = 0.00282596 Jy ! Component: 2750 - total flux cleaned = 0.00283996 Jy ! Component: 2800 - total flux cleaned = 0.00285364 Jy ! Component: 2850 - total flux cleaned = 0.0029353 Jy ! Component: 2900 - total flux cleaned = 0.00297584 Jy ! Component: 2950 - total flux cleaned = 0.00297574 Jy ! Component: 3000 - total flux cleaned = 0.00301574 Jy ! Component: 3050 - total flux cleaned = 0.00302898 Jy ! Component: 3100 - total flux cleaned = 0.00305525 Jy ! Component: 3150 - total flux cleaned = 0.00312036 Jy ! Component: 3200 - total flux cleaned = 0.00319788 Jy ! Component: 3250 - total flux cleaned = 0.00317227 Jy ! Component: 3300 - total flux cleaned = 0.00328702 Jy ! Component: 3350 - total flux cleaned = 0.00327436 Jy ! Component: 3400 - total flux cleaned = 0.00327418 Jy ! Component: 3450 - total flux cleaned = 0.00338637 Jy ! Component: 3500 - total flux cleaned = 0.00342347 Jy ! Component: 3550 - total flux cleaned = 0.00346042 Jy ! Component: 3600 - total flux cleaned = 0.00347257 Jy ! Component: 3650 - total flux cleaned = 0.00353305 Jy ! Component: 3700 - total flux cleaned = 0.003545 Jy ! Component: 3750 - total flux cleaned = 0.00356899 Jy ! Component: 3800 - total flux cleaned = 0.00362846 Jy ! Component: 3850 - total flux cleaned = 0.00364023 Jy ! Component: 3900 - total flux cleaned = 0.00368713 Jy ! Component: 3950 - total flux cleaned = 0.00371039 Jy ! Component: 4000 - total flux cleaned = 0.00375672 Jy ! Component: 4050 - total flux cleaned = 0.00372226 Jy ! Total flux subtracted in 4096 components = 0.00377949 Jy ! Clean residual min=-0.000609 max=0.000701 Jy/beam ! Clean residual mean=-0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.591675 Jy keep ! Adding 312 model components to the UV plane model. ! The established model now contains 516 components and 0.591675 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2018+0831_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.248 x 7.567 at -3.388 degrees (North through East) ! Clean map min=-0.001906 max=0.51114 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2018+0831_S_map.fits wmodel /vlbi/uf001/uva//J2018+0831_S_map.mod ! Writing 516 model components to file: /vlbi/uf001/uva//J2018+0831_S_map.mod wobs /vlbi/uf001/uva//J2018+0831_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2018+0831_S_uvs.fits wwins /vlbi/uf001/uva//J2018+0831_S_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J2018+0831_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.511143 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000211053 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.123871 0.123871 0.247742 0.495484 0.990968 1.98194 3.96387 7.92774 15.8555 31.711 63.422 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.511 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2421.87 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2018+0831_S_dfm.log closed on Mon Jan 14 05:26:33 2019