! Started logfile: /vlbi/sb072/temp_maps//J1931+5227_C_dfm.log on Fri Jan 25 19:46:25 2019 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J1931+5227_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1931+5227_C_uva.fits ! AN table 1: 4 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1931+5227 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 896 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1931+5227_C] 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 0.300x0.300 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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.001808Jy sigma=33.701836 ! Fit after self-cal, rms=0.934639Jy sigma=31.392608 ! 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=1.086 mas, bmaj=5.716 mas, bpa=-39.9 degrees ! Estimated noise=0.995121 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 = 0.052393 Jy ! Component: 100 - total flux cleaned = 0.0626971 Jy ! Total flux subtracted in 100 components = 0.0626971 Jy ! Clean residual min=-0.005027 max=0.005819 Jy/beam ! Clean residual mean=-0.000002 rms=0.001371 Jy/beam ! Combined flux in latest and established models = 0.0626972 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0626972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.034275Jy sigma=0.933900 ! Fit after self-cal, rms=0.034257Jy sigma=0.933516 ! 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=1.361 mas, bmaj=5.623 mas, bpa=-40.73 degrees ! Estimated noise=0.764506 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 = -0.000224555 Jy ! Component: 100 - total flux cleaned = -0.000835371 Jy ! Component: 150 - total flux cleaned = -0.00131938 Jy ! Component: 200 - total flux cleaned = -0.00148149 Jy ! Total flux subtracted in 200 components = -0.00148149 Jy ! Clean residual min=-0.004373 max=0.004867 Jy/beam ! Clean residual mean=-0.000005 rms=0.001278 Jy/beam ! Combined flux in latest and established models = 0.0612157 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 19 components and 0.0612157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.033436Jy sigma=0.908876 ! Fit after self-cal, rms=0.033436Jy sigma=0.908427 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.361 x 5.623 at -40.73 degrees (North through East) ! Clean map min=-0.0043427 max=0.066184 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* HN 0.61 LA 1.00 MK 0.97 ! NL 0.79 OV 1.16 PT 0.93 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* HN 0.59 LA 0.85 MK 1.02 ! NL 0.85 OV 1.14 PT 1.02 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.06 HN 0.94 LA 1.31 MK 0.87 ! NL 1.04 OV 0.95 PT 1.17 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 0.89 LA 1.12 MK 0.86 ! NL 1.01 OV 1.09 PT 1.00 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.06 LA 0.99 MK 0.93 ! NL 1.19 OV 0.99 PT 0.88 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.11 LA 1.43 MK 0.98 ! NL 1.09 OV 1.11 PT 0.98 SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 1.07 LA 1.18 MK 1.01 ! NL 1.15 OV 1.03 PT 1.01 SC 0.92 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.04 LA 1.14 MK 1.04 ! NL 1.18 OV 1.07 PT 0.89 SC 1.05 ! ! ! Fit before self-cal, rms=0.033436Jy sigma=0.908427 ! Fit after self-cal, rms=0.030208Jy sigma=0.743128 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.338 mas, bmaj=5.559 mas, bpa=-40.91 degrees ! Estimated noise=0.751411 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 = 0.000916126 Jy ! Component: 100 - total flux cleaned = 0.000780314 Jy ! Component: 150 - total flux cleaned = 0.000752507 Jy ! Component: 200 - total flux cleaned = 0.000750617 Jy ! Total flux subtracted in 200 components = 0.000750617 Jy ! Clean residual min=-0.002188 max=0.002525 Jy/beam ! Clean residual mean=-0.000000 rms=0.000561 Jy/beam ! Combined flux in latest and established models = 0.0619663 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 37 components and 0.0619663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030142Jy sigma=0.739016 ! Fit after self-cal, rms=0.030229Jy sigma=0.737473 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030229Jy sigma=0.737473 ! Fit after self-cal, rms=0.030384Jy sigma=0.737052 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.338 mas, bmaj=5.547 mas, bpa=-40.98 degrees ! Estimated noise=0.751831 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000362162 Jy ! Component: 100 - total flux cleaned = 0.00036218 Jy ! Component: 150 - total flux cleaned = 0.000400627 Jy ! Component: 200 - total flux cleaned = 0.000450413 Jy ! Total flux subtracted in 200 components = 0.000450413 Jy ! Clean residual min=-0.002124 max=0.002526 Jy/beam ! Clean residual mean=0.000000 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.0624167 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 48 components and 0.0624167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030364Jy sigma=0.735744 ! Fit after self-cal, rms=0.030371Jy sigma=0.735706 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 (-76.2, -24.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00249187 Jy ! Component: 100 - total flux cleaned = 0.00353716 Jy ! Component: 150 - total flux cleaned = 0.00429394 Jy ! Component: 200 - total flux cleaned = 0.00469222 Jy ! Total flux subtracted in 200 components = 0.00469222 Jy ! Clean residual min=-0.002163 max=0.001860 Jy/beam ! Clean residual mean=0.000002 rms=0.000479 Jy/beam ! Combined flux in latest and established models = 0.0671089 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 84 components and 0.0671089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030050Jy sigma=0.728223 ! Fit after self-cal, rms=0.030024Jy sigma=0.727397 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030024Jy sigma=0.727397 ! Fit after self-cal, rms=0.030009Jy sigma=0.726242 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.342 mas, bmaj=5.545 mas, bpa=-41.06 degrees ! Estimated noise=0.748448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000412065 Jy ! Component: 100 - total flux cleaned = 0.000668669 Jy ! Component: 150 - total flux cleaned = 0.00077795 Jy ! Component: 200 - total flux cleaned = 0.000877483 Jy ! Total flux subtracted in 200 components = 0.000877483 Jy ! Clean residual min=-0.002044 max=0.001786 Jy/beam ! Clean residual mean=0.000003 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.0679864 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 97 components and 0.0679864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029928Jy sigma=0.724393 ! Fit after self-cal, rms=0.029925Jy sigma=0.724193 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 = 4.19095e-05 Jy ! Component: 100 - total flux cleaned = 0.000107768 Jy ! Component: 150 - total flux cleaned = 0.000147857 Jy ! Component: 200 - total flux cleaned = 0.000148226 Jy ! Total flux subtracted in 200 components = 0.000148226 Jy ! Clean residual min=-0.002028 max=0.001798 Jy/beam ! Clean residual mean=0.000003 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.0681346 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 105 components and 0.0681346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029885Jy sigma=0.723321 ! Fit after self-cal, rms=0.029885Jy sigma=0.723251 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029885Jy sigma=0.723251 ! Fit after self-cal, rms=0.029933Jy sigma=0.722939 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.108 mas, bmaj=5.816 mas, bpa=-51.35 degrees ! Estimated noise=1.04733 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000309553 Jy ! Component: 100 - total flux cleaned = 0.000424513 Jy ! Component: 150 - total flux cleaned = 0.000524247 Jy ! Component: 200 - total flux cleaned = 0.000607278 Jy ! Total flux subtracted in 200 components = 0.000607278 Jy ! Clean residual min=-0.002624 max=0.002003 Jy/beam ! Clean residual mean=0.000008 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.0687419 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 121 components and 0.0687419 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029900Jy sigma=0.723225 ! Fit after self-cal, rms=0.029899Jy sigma=0.723115 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 = 8.47902e-05 Jy ! Component: 100 - total flux cleaned = 0.0001008 Jy ! Component: 150 - total flux cleaned = 8.72689e-05 Jy ! Component: 200 - total flux cleaned = 8.70149e-05 Jy ! Total flux subtracted in 200 components = 8.70149e-05 Jy ! Clean residual min=-0.002584 max=0.002005 Jy/beam ! Clean residual mean=0.000008 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.0688289 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 132 components and 0.068829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029884Jy sigma=0.723350 ! Fit after self-cal, rms=0.029885Jy sigma=0.723320 ! 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=1.342 mas, bmaj=5.548 mas, bpa=-41.08 degrees ! Estimated noise=0.747971 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.342 x 5.548 at -41.08 degrees (North through East) ! Clean map min=-0.0020826 max=0.064984 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=1.068 mas, bmaj=5.686 mas, bpa=-40.1 degrees ! Estimated noise=0.97396 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0512353 Jy ! Component: 100 - total flux cleaned = 0.0624392 Jy ! Component: 150 - total flux cleaned = 0.0638341 Jy ! Component: 200 - total flux cleaned = 0.0629379 Jy ! Total flux subtracted in 200 components = 0.0629379 Jy ! Clean residual min=-0.003123 max=0.003100 Jy/beam ! Clean residual mean=0.000001 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 0.0629379 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0629379 Jy ! Inverting map and beam ! Estimated beam: bmin=1.342 mas, bmaj=5.548 mas, bpa=-41.08 degrees ! Estimated noise=0.747971 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 = 0.00166013 Jy ! Component: 100 - total flux cleaned = 0.00284733 Jy ! Component: 150 - total flux cleaned = 0.00349202 Jy ! Component: 200 - total flux cleaned = 0.00388864 Jy ! Total flux subtracted in 200 components = 0.00388864 Jy ! Clean residual min=-0.002268 max=0.001935 Jy/beam ! Clean residual mean=0.000002 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.0668265 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 50 components and 0.0668265 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.108 mas, bmaj=5.816 mas, bpa=-51.35 degrees ! Estimated noise=1.04733 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00148802 Jy ! Component: 100 - total flux cleaned = 0.00180033 Jy ! Component: 150 - total flux cleaned = 0.00170092 Jy ! Component: 200 - total flux cleaned = 0.00178453 Jy ! Total flux subtracted in 200 components = 0.00178453 Jy ! Clean residual min=-0.002535 max=0.002062 Jy/beam ! Clean residual mean=0.000007 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 0.068611 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 = -3.88204e-05 Jy ! Component: 100 - total flux cleaned = 3.14397e-05 Jy ! Component: 150 - total flux cleaned = 6.19342e-05 Jy ! Component: 200 - total flux cleaned = 8.92125e-05 Jy ! Total flux subtracted in 200 components = 8.92125e-05 Jy ! Clean residual min=-0.002501 max=0.001937 Jy/beam ! Clean residual mean=0.000007 rms=0.000579 Jy/beam ! Combined flux in latest and established models = 0.0687002 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 91 components and 0.0687002 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.342 mas, bmaj=5.548 mas, bpa=-41.08 degrees ! Estimated noise=0.747971 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00042554 Jy ! Component: 100 - total flux cleaned = 0.000171295 Jy ! Component: 150 - total flux cleaned = 0.00010992 Jy ! Component: 200 - total flux cleaned = 0.00011216 Jy ! Total flux subtracted in 200 components = 0.00011216 Jy ! Clean residual min=-0.002108 max=0.001799 Jy/beam ! Clean residual mean=0.000004 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.0688124 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 109 components and 0.0688124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029962Jy sigma=0.725313 ! Fit after self-cal, rms=0.029940Jy sigma=0.725040 wmodel J1931+5227_C_map.mod ! Writing 109 model components to file: J1931+5227_C_map.mod wobs J1931+5227_C_uvs.fits ! Writing UV FITS file: J1931+5227_C_uvs.fits wwins J1931+5227_C_map.win ! wwins: Wrote 2 windows to J1931+5227_C_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 = -0.000721673 Jy ! Component: 100 - total flux cleaned = -0.000976935 Jy ! Component: 150 - total flux cleaned = -0.00112178 Jy ! Component: 200 - total flux cleaned = -0.00117716 Jy ! Component: 250 - total flux cleaned = -0.0013042 Jy ! Component: 300 - total flux cleaned = -0.00159624 Jy ! Component: 350 - total flux cleaned = -0.00182943 Jy ! Component: 400 - total flux cleaned = -0.00198705 Jy ! Component: 450 - total flux cleaned = -0.00220459 Jy ! Component: 500 - total flux cleaned = -0.00233131 Jy ! Component: 550 - total flux cleaned = -0.00245465 Jy ! Component: 600 - total flux cleaned = -0.00255517 Jy ! Component: 650 - total flux cleaned = -0.00259414 Jy ! Component: 700 - total flux cleaned = -0.00259414 Jy ! Component: 750 - total flux cleaned = -0.00270525 Jy ! Component: 800 - total flux cleaned = -0.00272268 Jy ! Component: 850 - total flux cleaned = -0.00272261 Jy ! Component: 900 - total flux cleaned = -0.00270526 Jy ! Component: 950 - total flux cleaned = -0.00270524 Jy ! Component: 1000 - total flux cleaned = -0.00268862 Jy ! Component: 1050 - total flux cleaned = -0.0026563 Jy ! Component: 1100 - total flux cleaned = -0.00268877 Jy ! Component: 1150 - total flux cleaned = -0.0026571 Jy ! Component: 1200 - total flux cleaned = -0.00264143 Jy ! Component: 1250 - total flux cleaned = -0.0026417 Jy ! Component: 1300 - total flux cleaned = -0.00259662 Jy ! Component: 1350 - total flux cleaned = -0.00261153 Jy ! Component: 1400 - total flux cleaned = -0.00258222 Jy ! Component: 1450 - total flux cleaned = -0.00258242 Jy ! Component: 1500 - total flux cleaned = -0.00253979 Jy ! Component: 1550 - total flux cleaned = -0.0024843 Jy ! Component: 1600 - total flux cleaned = -0.00249785 Jy ! Component: 1650 - total flux cleaned = -0.00241705 Jy ! Component: 1700 - total flux cleaned = -0.00236399 Jy ! Component: 1750 - total flux cleaned = -0.00233822 Jy ! Component: 1800 - total flux cleaned = -0.00228657 Jy ! Component: 1850 - total flux cleaned = -0.00229934 Jy ! Component: 1900 - total flux cleaned = -0.00223613 Jy ! Component: 1950 - total flux cleaned = -0.0022112 Jy ! Component: 2000 - total flux cleaned = -0.00221108 Jy ! Component: 2050 - total flux cleaned = -0.0021989 Jy ! Component: 2100 - total flux cleaned = -0.00218682 Jy ! Component: 2150 - total flux cleaned = -0.00217497 Jy ! Component: 2200 - total flux cleaned = -0.0021748 Jy ! Component: 2250 - total flux cleaned = -0.00218637 Jy ! Component: 2300 - total flux cleaned = -0.00217482 Jy ! Component: 2350 - total flux cleaned = -0.00210703 Jy ! Component: 2400 - total flux cleaned = -0.00215183 Jy ! Component: 2450 - total flux cleaned = -0.00215181 Jy ! Component: 2500 - total flux cleaned = -0.00211894 Jy ! Component: 2550 - total flux cleaned = -0.00212991 Jy ! Component: 2600 - total flux cleaned = -0.00214076 Jy ! Component: 2650 - total flux cleaned = -0.00211946 Jy ! Component: 2700 - total flux cleaned = -0.00210892 Jy ! Component: 2750 - total flux cleaned = -0.00212972 Jy ! Component: 2800 - total flux cleaned = -0.00209888 Jy ! Component: 2850 - total flux cleaned = -0.00212942 Jy ! Component: 2900 - total flux cleaned = -0.00211923 Jy ! Component: 2950 - total flux cleaned = -0.00209924 Jy ! Component: 3000 - total flux cleaned = -0.00211895 Jy ! Component: 3050 - total flux cleaned = -0.00211891 Jy ! Component: 3100 - total flux cleaned = -0.00209955 Jy ! Component: 3150 - total flux cleaned = -0.0021092 Jy ! Component: 3200 - total flux cleaned = -0.00209012 Jy ! Component: 3250 - total flux cleaned = -0.00209003 Jy ! Component: 3300 - total flux cleaned = -0.00204305 Jy ! Component: 3350 - total flux cleaned = -0.00203369 Jy ! Component: 3400 - total flux cleaned = -0.0019598 Jy ! Component: 3450 - total flux cleaned = -0.00195067 Jy ! Component: 3500 - total flux cleaned = -0.00189612 Jy ! Component: 3550 - total flux cleaned = -0.00186011 Jy ! Component: 3600 - total flux cleaned = -0.00183318 Jy ! Component: 3650 - total flux cleaned = -0.00175317 Jy ! Component: 3700 - total flux cleaned = -0.00170029 Jy ! Component: 3750 - total flux cleaned = -0.00170036 Jy ! Component: 3800 - total flux cleaned = -0.00163951 Jy ! Component: 3850 - total flux cleaned = -0.00161355 Jy ! Component: 3900 - total flux cleaned = -0.00154502 Jy ! Component: 3950 - total flux cleaned = -0.00151954 Jy ! Component: 4000 - total flux cleaned = -0.00146043 Jy ! Component: 4050 - total flux cleaned = -0.00141848 Jy ! Total flux subtracted in 4096 components = -0.00137686 Jy ! Clean residual min=-0.000462 max=0.000464 Jy/beam ! Clean residual mean=0.000003 rms=0.000152 Jy/beam ! Combined flux in latest and established models = 0.0674355 Jy keep ! Adding 277 model components to the UV plane model. ! The established model now contains 386 components and 0.0674355 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1931+5227_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.342 x 5.548 at -41.08 degrees (North through East) ! Clean map min=-0.0015852 max=0.064727 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1931+5227_C_map.fits wmodel /vlbi/sb072/temp_maps//J1931+5227_C_map.mod ! Writing 386 model components to file: /vlbi/sb072/temp_maps//J1931+5227_C_map.mod wobs /vlbi/sb072/temp_maps//J1931+5227_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1931+5227_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1931+5227_C_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1931+5227_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0647267 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000154037 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.713943 0.713943 1.42789 2.85577 5.71154 11.4231 22.8462 45.6923 91.3847 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.064 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 420.201 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1931+5227_C_dfm.log closed on Fri Jan 25 19:46:29 2019