! Started logfile: /vlbi/bs262/maps//J0811+5714_C_20180503_dfm.log on Mon Jun 4 23:25:37 2018 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/bs262/maps//J0811+5714_C_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0811+5714_C_20180503_uva.fits ! AN table 1: 22 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.972727 visibilities/baseline/integration-bin. ! Found source: J0811+5714 ! ! 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 3 lines of history. ! ! Reading 7704 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 J0811+5714_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 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.097494Jy sigma=26.784030 ! Fit after self-cal, rms=0.619202Jy sigma=15.404666 ! 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=1.231 mas, bmaj=4.674 mas, bpa=5.174 degrees ! Estimated noise=0.539103 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 = 0.282997 Jy ! Component: 100 - total flux cleaned = 0.351265 Jy ! Total flux subtracted in 100 components = 0.351265 Jy ! Clean residual min=-0.011720 max=0.028265 Jy/beam ! Clean residual mean=0.000012 rms=0.003167 Jy/beam ! Combined flux in latest and established models = 0.351265 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.351265 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=0.113128Jy sigma=2.347941 ! Fit after self-cal, rms=0.113109Jy sigma=2.347561 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.032055 Jy ! Component: 100 - total flux cleaned = 0.0494632 Jy ! Total flux subtracted in 100 components = 0.0494632 Jy ! Clean residual min=-0.007850 max=0.011857 Jy/beam ! Clean residual mean=0.000006 rms=0.002097 Jy/beam ! Combined flux in latest and established models = 0.400728 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 9 components and 0.400728 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=0.098335Jy sigma=2.026989 ! Fit after self-cal, rms=0.098283Jy sigma=2.026075 ! 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=1.583 mas, bmaj=4.843 mas, bpa=4.72 degrees ! Estimated noise=0.33916 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 (8.1, -14.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180408 Jy ! Component: 100 - total flux cleaned = 0.0281913 Jy ! Component: 150 - total flux cleaned = 0.0349817 Jy ! Component: 200 - total flux cleaned = 0.0378412 Jy ! Total flux subtracted in 200 components = 0.0378412 Jy ! Clean residual min=-0.007275 max=0.009790 Jy/beam ! Clean residual mean=0.000003 rms=0.002186 Jy/beam ! Combined flux in latest and established models = 0.438569 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 36 components and 0.438569 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=0.093449Jy sigma=1.954145 ! Fit after self-cal, rms=0.093266Jy sigma=1.948643 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.583 x 4.843 at 4.72 degrees (North through East) ! Clean map min=-0.0069655 max=0.37831 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.11 HN 0.96 KP 0.94 ! LA 1.04 MK 1.08 NL 0.97 OV 0.97 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.16 HN 0.96 KP 0.97 ! LA 1.00 MK 0.95 NL 1.00 OV 0.85 ! PT 1.25 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.06 HN 0.98 KP 0.98 ! LA 1.04 MK 0.88 NL 1.06 OV 0.89 ! PT 0.49 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 1.10 KP 0.94 ! LA 1.00 MK 1.05 NL 1.14 OV 0.96 ! PT 1.39 SC 1.06 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.95 HN 1.01 KP 0.97 ! LA 1.02 MK 1.04 NL 1.13 OV 0.96 ! PT 1.07 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.16 HN 1.03 KP 0.98 ! LA 1.11 MK 0.98 NL 1.05 OV 0.92 ! PT 1.04 SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.97 KP 1.01 ! LA 0.89 MK 0.98 NL 1.01 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.99 KP 0.95 ! LA 0.98 MK 0.98 NL 0.96 OV 0.95 ! PT 1.05 SC 1.01 ! ! ! Fit before self-cal, rms=0.093266Jy sigma=1.948643 ! Fit after self-cal, rms=0.045593Jy sigma=0.965527 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.584 mas, bmaj=4.86 mas, bpa=4.697 degrees ! Estimated noise=0.337094 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 (-2.4, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00411377 Jy ! Component: 100 - total flux cleaned = 0.00301462 Jy ! Component: 150 - total flux cleaned = 0.0020457 Jy ! Component: 200 - total flux cleaned = 0.000930909 Jy ! Total flux subtracted in 200 components = 0.000930909 Jy ! Clean residual min=-0.004362 max=0.007076 Jy/beam ! Clean residual mean=-0.000001 rms=0.001378 Jy/beam ! Combined flux in latest and established models = 0.4395 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 58 components and 0.4395 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=0.044275Jy sigma=0.932507 ! Fit after self-cal, rms=0.044204Jy sigma=0.927908 ! 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=0.044204Jy sigma=0.927908 ! Fit after self-cal, rms=0.043906Jy sigma=0.924115 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.579 mas, bmaj=4.861 mas, bpa=4.652 degrees ! Estimated noise=0.336848 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.002528 Jy ! Component: 100 - total flux cleaned = 0.0016281 Jy ! Component: 150 - total flux cleaned = 0.000776886 Jy ! Component: 200 - total flux cleaned = 3.14999e-05 Jy ! Total flux subtracted in 200 components = 3.14999e-05 Jy ! Clean residual min=-0.004043 max=0.006645 Jy/beam ! Clean residual mean=-0.000001 rms=0.001306 Jy/beam ! Combined flux in latest and established models = 0.439531 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 71 components and 0.439531 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=0.043477Jy sigma=0.913645 ! Fit after self-cal, rms=0.043433Jy sigma=0.912650 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 (-27.9, -2.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00650269 Jy ! Component: 100 - total flux cleaned = 0.010222 Jy ! Component: 150 - total flux cleaned = 0.0120376 Jy ! Component: 200 - total flux cleaned = 0.0134163 Jy ! Total flux subtracted in 200 components = 0.0134163 Jy ! Clean residual min=-0.003407 max=0.004253 Jy/beam ! Clean residual mean=-0.000001 rms=0.000924 Jy/beam ! Combined flux in latest and established models = 0.452948 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 107 components and 0.452948 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=0.042389Jy sigma=0.879230 ! Fit after self-cal, rms=0.042333Jy sigma=0.878331 ! Inverting map ! Added new window around map position (-24, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00362282 Jy ! Component: 100 - total flux cleaned = 0.00530217 Jy ! Component: 150 - total flux cleaned = 0.0062762 Jy ! Component: 200 - total flux cleaned = 0.00712889 Jy ! Total flux subtracted in 200 components = 0.00712889 Jy ! Clean residual min=-0.002968 max=0.003292 Jy/beam ! Clean residual mean=-0.000001 rms=0.000777 Jy/beam ! Combined flux in latest and established models = 0.460077 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 132 components and 0.460077 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=0.041950Jy sigma=0.865950 ! Fit after self-cal, rms=0.041932Jy sigma=0.865612 ! 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=0.041932Jy sigma=0.865612 ! Fit after self-cal, rms=0.041707Jy sigma=0.863359 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.578 mas, bmaj=4.862 mas, bpa=4.631 degrees ! Estimated noise=0.336236 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139842 Jy ! Component: 100 - total flux cleaned = 0.00224445 Jy ! Component: 150 - total flux cleaned = 0.00276313 Jy ! Component: 200 - total flux cleaned = 0.00338604 Jy ! Total flux subtracted in 200 components = 0.00338604 Jy ! Clean residual min=-0.002828 max=0.003091 Jy/beam ! Clean residual mean=-0.000001 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 0.463463 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 161 components and 0.463463 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=0.041551Jy sigma=0.858447 ! Fit after self-cal, rms=0.041542Jy sigma=0.858298 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 (19.5, 40.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00263557 Jy ! Component: 100 - total flux cleaned = 0.00377036 Jy ! Component: 150 - total flux cleaned = 0.00441752 Jy ! Component: 200 - total flux cleaned = 0.00486032 Jy ! Total flux subtracted in 200 components = 0.00486032 Jy ! Clean residual min=-0.002591 max=0.002213 Jy/beam ! Clean residual mean=-0.000000 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.468323 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 194 components and 0.468323 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=0.041336Jy sigma=0.851867 ! Fit after self-cal, rms=0.041326Jy sigma=0.851736 ! 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=0.041326Jy sigma=0.851736 ! Fit after self-cal, rms=0.041253Jy sigma=0.851399 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.534 mas, bmaj=5.314 mas, bpa=2.535 degrees ! Estimated noise=0.420174 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134232 Jy ! Component: 100 - total flux cleaned = 0.00206204 Jy ! Component: 150 - total flux cleaned = 0.00269242 Jy ! Component: 200 - total flux cleaned = 0.00330582 Jy ! Total flux subtracted in 200 components = 0.00330582 Jy ! Clean residual min=-0.003341 max=0.002664 Jy/beam ! Clean residual mean=-0.000001 rms=0.000866 Jy/beam ! Combined flux in latest and established models = 0.471629 Jy selfcal ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 235 components and 0.471629 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=0.041161Jy sigma=0.848651 ! Fit after self-cal, rms=0.041157Jy sigma=0.848512 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 = 0.000541338 Jy ! Component: 100 - total flux cleaned = 0.00101721 Jy ! Component: 150 - total flux cleaned = 0.00141605 Jy ! Component: 200 - total flux cleaned = 0.00178983 Jy ! Total flux subtracted in 200 components = 0.00178983 Jy ! Clean residual min=-0.002989 max=0.002519 Jy/beam ! Clean residual mean=-0.000001 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.473419 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 269 components and 0.473419 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=0.041110Jy sigma=0.847274 ! Fit after self-cal, rms=0.041109Jy sigma=0.847240 ! 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=1.577 mas, bmaj=4.862 mas, bpa=4.623 degrees ! Estimated noise=0.33602 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.577 x 4.862 at 4.623 degrees (North through East) ! Clean map min=-0.0020977 max=0.37628 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=1.228 mas, bmaj=4.684 mas, bpa=5.076 degrees ! Estimated noise=0.535007 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.280722 Jy ! Component: 100 - total flux cleaned = 0.349668 Jy ! Component: 150 - total flux cleaned = 0.382431 Jy ! Component: 200 - total flux cleaned = 0.401069 Jy ! Total flux subtracted in 200 components = 0.401069 Jy ! Clean residual min=-0.005630 max=0.009966 Jy/beam ! Clean residual mean=0.000005 rms=0.001498 Jy/beam ! Combined flux in latest and established models = 0.401069 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.401069 Jy ! Inverting map and beam ! Estimated beam: bmin=1.577 mas, bmaj=4.862 mas, bpa=4.623 degrees ! Estimated noise=0.33602 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 = 0.0168312 Jy ! Component: 100 - total flux cleaned = 0.0267156 Jy ! Component: 150 - total flux cleaned = 0.0340763 Jy ! Component: 200 - total flux cleaned = 0.0400154 Jy ! Total flux subtracted in 200 components = 0.0400154 Jy ! Clean residual min=-0.003863 max=0.004263 Jy/beam ! Clean residual mean=0.000001 rms=0.001176 Jy/beam ! Combined flux in latest and established models = 0.441085 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 35 components and 0.441085 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=3.534 mas, bmaj=5.314 mas, bpa=2.535 degrees ! Estimated noise=0.420174 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00889078 Jy ! Component: 100 - total flux cleaned = 0.0152553 Jy ! Component: 150 - total flux cleaned = 0.0201261 Jy ! Component: 200 - total flux cleaned = 0.0234317 Jy ! Total flux subtracted in 200 components = 0.0234317 Jy ! Clean residual min=-0.003933 max=0.003843 Jy/beam ! Clean residual mean=-0.000001 rms=0.001180 Jy/beam ! Combined flux in latest and established models = 0.464517 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 = 0.00209549 Jy ! Component: 100 - total flux cleaned = 0.00385994 Jy ! Component: 150 - total flux cleaned = 0.00517632 Jy ! Component: 200 - total flux cleaned = 0.00639147 Jy ! Total flux subtracted in 200 components = 0.00639147 Jy ! Clean residual min=-0.002939 max=0.003100 Jy/beam ! Clean residual mean=-0.000000 rms=0.000856 Jy/beam ! Combined flux in latest and established models = 0.470908 Jy ! Adding 128 model components to the UV plane model. ! The established model now contains 155 components and 0.470908 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.577 mas, bmaj=4.862 mas, bpa=4.623 degrees ! Estimated noise=0.33602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000527455 Jy ! Component: 100 - total flux cleaned = 0.00125054 Jy ! Component: 150 - total flux cleaned = 0.00166666 Jy ! Component: 200 - total flux cleaned = 0.0021059 Jy ! Total flux subtracted in 200 components = 0.0021059 Jy ! Clean residual min=-0.002144 max=0.002256 Jy/beam ! Clean residual mean=0.000000 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.473014 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 184 components and 0.473014 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=0.041240Jy sigma=0.850204 ! Fit after self-cal, rms=0.041209Jy sigma=0.849321 wmodel J0811+5714_C_map.mod ! Writing 184 model components to file: J0811+5714_C_map.mod wobs J0811+5714_C_uvs.fits ! Writing UV FITS file: J0811+5714_C_uvs.fits wwins J0811+5714_C_map.win ! wwins: Wrote 6 windows to J0811+5714_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 = -0.000108197 Jy ! Component: 100 - total flux cleaned = -0.000180123 Jy ! Component: 150 - total flux cleaned = -0.000145893 Jy ! Component: 200 - total flux cleaned = -0.000342348 Jy ! Component: 250 - total flux cleaned = -0.00043707 Jy ! Component: 300 - total flux cleaned = -0.000467759 Jy ! Component: 350 - total flux cleaned = -0.000558175 Jy ! Component: 400 - total flux cleaned = -0.000675897 Jy ! Component: 450 - total flux cleaned = -0.000762601 Jy ! Component: 500 - total flux cleaned = -0.000847752 Jy ! Component: 550 - total flux cleaned = -0.000986719 Jy ! Component: 600 - total flux cleaned = -0.00101387 Jy ! Component: 650 - total flux cleaned = -0.00104072 Jy ! Component: 700 - total flux cleaned = -0.00109329 Jy ! Component: 750 - total flux cleaned = -0.00111901 Jy ! Component: 800 - total flux cleaned = -0.00111924 Jy ! Component: 850 - total flux cleaned = -0.00111975 Jy ! Component: 900 - total flux cleaned = -0.0012445 Jy ! Component: 950 - total flux cleaned = -0.00124463 Jy ! Component: 1000 - total flux cleaned = -0.00131732 Jy ! Component: 1050 - total flux cleaned = -0.00134095 Jy ! Component: 1100 - total flux cleaned = -0.00134109 Jy ! Component: 1150 - total flux cleaned = -0.00141066 Jy ! Component: 1200 - total flux cleaned = -0.00136447 Jy ! Component: 1250 - total flux cleaned = -0.00131899 Jy ! Component: 1300 - total flux cleaned = -0.001342 Jy ! Component: 1350 - total flux cleaned = -0.00140896 Jy ! Component: 1400 - total flux cleaned = -0.00145325 Jy ! Component: 1450 - total flux cleaned = -0.0014969 Jy ! Component: 1500 - total flux cleaned = -0.00151847 Jy ! Component: 1550 - total flux cleaned = -0.00158212 Jy ! Component: 1600 - total flux cleaned = -0.00160345 Jy ! Component: 1650 - total flux cleaned = -0.00156159 Jy ! Component: 1700 - total flux cleaned = -0.00164468 Jy ! Component: 1750 - total flux cleaned = -0.00170621 Jy ! Component: 1800 - total flux cleaned = -0.00176736 Jy ! Component: 1850 - total flux cleaned = -0.00176731 Jy ! Component: 1900 - total flux cleaned = -0.00180741 Jy ! Component: 1950 - total flux cleaned = -0.00186714 Jy ! Component: 2000 - total flux cleaned = -0.00188697 Jy ! Component: 2050 - total flux cleaned = -0.00192634 Jy ! Component: 2100 - total flux cleaned = -0.00200448 Jy ! Component: 2150 - total flux cleaned = -0.00200442 Jy ! Component: 2200 - total flux cleaned = -0.00200472 Jy ! Component: 2250 - total flux cleaned = -0.00206188 Jy ! Component: 2300 - total flux cleaned = -0.00204297 Jy ! Component: 2350 - total flux cleaned = -0.00204293 Jy ! Component: 2400 - total flux cleaned = -0.00208019 Jy ! Component: 2450 - total flux cleaned = -0.0020987 Jy ! Component: 2500 - total flux cleaned = -0.00206168 Jy ! Component: 2550 - total flux cleaned = -0.00209812 Jy ! Component: 2600 - total flux cleaned = -0.00213438 Jy ! Component: 2650 - total flux cleaned = -0.00209845 Jy ! Component: 2700 - total flux cleaned = -0.00216998 Jy ! Component: 2750 - total flux cleaned = -0.00215223 Jy ! Component: 2800 - total flux cleaned = -0.00211699 Jy ! Component: 2850 - total flux cleaned = -0.00213472 Jy ! Component: 2900 - total flux cleaned = -0.00220484 Jy ! Component: 2950 - total flux cleaned = -0.00215273 Jy ! Component: 3000 - total flux cleaned = -0.00215287 Jy ! Component: 3050 - total flux cleaned = -0.002153 Jy ! Component: 3100 - total flux cleaned = -0.00217 Jy ! Component: 3150 - total flux cleaned = -0.00220411 Jy ! Component: 3200 - total flux cleaned = -0.00222106 Jy ! Component: 3250 - total flux cleaned = -0.00225479 Jy ! Component: 3300 - total flux cleaned = -0.0022547 Jy ! Component: 3350 - total flux cleaned = -0.00228785 Jy ! Component: 3400 - total flux cleaned = -0.00232088 Jy ! Component: 3450 - total flux cleaned = -0.00230427 Jy ! Component: 3500 - total flux cleaned = -0.00233704 Jy ! Component: 3550 - total flux cleaned = -0.00232079 Jy ! Component: 3600 - total flux cleaned = -0.00238569 Jy ! Component: 3650 - total flux cleaned = -0.00238582 Jy ! Component: 3700 - total flux cleaned = -0.00240192 Jy ! Component: 3750 - total flux cleaned = -0.00244995 Jy ! Component: 3800 - total flux cleaned = -0.00244988 Jy ! Component: 3850 - total flux cleaned = -0.00243412 Jy ! Component: 3900 - total flux cleaned = -0.0024027 Jy ! Component: 3950 - total flux cleaned = -0.00244983 Jy ! Component: 4000 - total flux cleaned = -0.0024498 Jy ! Component: 4050 - total flux cleaned = -0.00248083 Jy ! Total flux subtracted in 4096 components = -0.00249627 Jy ! Clean residual min=-0.000864 max=0.000832 Jy/beam ! Clean residual mean=-0.000000 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.470517 Jy keep ! Adding 321 model components to the UV plane model. ! The established model now contains 505 components and 0.470517 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0811+5714_C_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.577 x 4.862 at 4.623 degrees (North through East) ! Clean map min=-0.0020111 max=0.37521 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0811+5714_C_20180503_map.fits wmodel /vlbi/bs262/maps//J0811+5714_C_20180503_map.mod ! Writing 505 model components to file: /vlbi/bs262/maps//J0811+5714_C_20180503_map.mod wobs /vlbi/bs262/maps//J0811+5714_C_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0811+5714_C_20180503_uvs.fits wwins /vlbi/bs262/maps//J0811+5714_C_20180503_map.win ! wwins: Wrote 7 windows to /vlbi/bs262/maps//J0811+5714_C_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.375207 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000287667 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.230006 0.230006 0.460012 0.920024 1.84005 3.6801 7.36019 14.7204 29.4408 58.8815 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.375 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1304.31 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0811+5714_C_20180503_dfm.log closed on Mon Jun 4 23:25:42 2018