! Started logfile: /vlbi/bs262/maps//J0702-1951_X_20180408_dfm.log on Mon Jun 4 23:20:07 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/bs262/maps//J0702-1951_X_20180408_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0702-1951_X_20180408_uva.fits ! AN table 1: 14 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0702-1951 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 4032 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0702-1951_X] 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 0.200x0.200 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. ! ! 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=1.335022Jy sigma=23.429249 ! Fit after self-cal, rms=0.235368Jy sigma=3.753631 ! 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=0.743 mas, bmaj=2.033 mas, bpa=-0.9919 degrees ! Estimated noise=0.980713 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 = 0.655952 Jy ! Component: 100 - total flux cleaned = 0.817691 Jy ! Total flux subtracted in 100 components = 0.817691 Jy ! Clean residual min=-0.045468 max=0.103804 Jy/beam ! Clean residual mean=-0.000041 rms=0.014569 Jy/beam ! Combined flux in latest and established models = 0.817691 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.817691 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=0.200769Jy sigma=3.535087 ! Fit after self-cal, rms=0.199685Jy sigma=3.530386 ! Inverting map ! Added new window around map position (1, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0998473 Jy ! Component: 100 - total flux cleaned = 0.156607 Jy ! Total flux subtracted in 100 components = 0.156607 Jy ! Clean residual min=-0.031016 max=0.052738 Jy/beam ! Clean residual mean=-0.000017 rms=0.008297 Jy/beam ! Combined flux in latest and established models = 0.974298 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.974298 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=0.124229Jy sigma=2.046649 ! Fit after self-cal, rms=0.119107Jy sigma=1.989363 ! Inverting map ! Added new window around map position (-1, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0501029 Jy ! Component: 100 - total flux cleaned = 0.0819728 Jy ! Total flux subtracted in 100 components = 0.0819728 Jy ! Clean residual min=-0.020430 max=0.030721 Jy/beam ! Clean residual mean=-0.000007 rms=0.005325 Jy/beam ! Combined flux in latest and established models = 1.05627 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 27 components and 1.05627 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=0.086835Jy sigma=1.377652 ! Fit after self-cal, rms=0.085778Jy sigma=1.363314 ! 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=0.8836 mas, bmaj=2.33 mas, bpa=-1.974 degrees ! Estimated noise=0.678671 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 = 0.034091 Jy ! Component: 100 - total flux cleaned = 0.0560241 Jy ! Component: 150 - total flux cleaned = 0.0706936 Jy ! Component: 200 - total flux cleaned = 0.078529 Jy ! Total flux subtracted in 200 components = 0.078529 Jy ! Clean residual min=-0.017646 max=0.018760 Jy/beam ! Clean residual mean=0.000003 rms=0.004624 Jy/beam ! Combined flux in latest and established models = 1.1348 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 44 components and 1.1348 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=0.068905Jy sigma=1.032240 ! Fit after self-cal, rms=0.068727Jy sigma=1.029897 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8836 x 2.33 at -1.974 degrees (North through East) ! Clean map min=-0.016369 max=0.83795 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00 HN 1.08 KP 0.97 ! LA 1.01 MK 0.99 NL 1.00 PT 0.98 ! SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00 HN 1.07 KP 0.98 ! LA 1.00 MK 0.98 NL 1.01 PT 0.98 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 1.09 KP 0.97 ! LA 1.01 MK 0.97 NL 1.01 PT 0.98 ! SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 1.08 KP 0.97 ! LA 1.01 MK 1.02 NL 1.01 PT 0.98 ! SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 HN 1.09 KP 0.98 ! LA 1.01 MK 1.01 NL 1.02 PT 0.99 ! SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 HN 1.10 KP 0.98 ! LA 1.03 MK 1.01 NL 1.01 PT 0.99 ! SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 HN 1.11 KP 0.97 ! LA 1.01 MK 1.01 NL 1.01 PT 1.01 ! SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 1.06 KP 0.98 ! LA 1.02 MK 1.02 NL 1.00 PT 0.99 ! SC 1.03 ! ! ! Fit before self-cal, rms=0.068727Jy sigma=1.029897 ! Fit after self-cal, rms=0.051835Jy sigma=0.771859 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8885 mas, bmaj=2.329 mas, bpa=-1.806 degrees ! Estimated noise=0.678603 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 = -0.0102141 Jy ! Component: 100 - total flux cleaned = -0.0124003 Jy ! Component: 150 - total flux cleaned = -0.014217 Jy ! Component: 200 - total flux cleaned = -0.0149954 Jy ! Total flux subtracted in 200 components = -0.0149954 Jy ! Clean residual min=-0.008947 max=0.008480 Jy/beam ! Clean residual mean=-0.000011 rms=0.002339 Jy/beam ! Combined flux in latest and established models = 1.1198 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 56 components and 1.1198 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=0.048648Jy sigma=0.720940 ! Fit after self-cal, rms=0.048537Jy sigma=0.719253 ! 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=0.048537Jy sigma=0.719253 ! Fit after self-cal, rms=0.047355Jy sigma=0.701771 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8885 mas, bmaj=2.328 mas, bpa=-1.765 degrees ! Estimated noise=0.678587 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00749975 Jy ! Component: 100 - total flux cleaned = -0.00901231 Jy ! Component: 150 - total flux cleaned = -0.009875 Jy ! Component: 200 - total flux cleaned = -0.0103613 Jy ! Total flux subtracted in 200 components = -0.0103613 Jy ! Clean residual min=-0.007637 max=0.006802 Jy/beam ! Clean residual mean=-0.000011 rms=0.001930 Jy/beam ! Combined flux in latest and established models = 1.10944 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 62 components and 1.10944 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=0.045605Jy sigma=0.674481 ! Fit after self-cal, rms=0.045534Jy sigma=0.673394 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 = -0.000732439 Jy ! Component: 100 - total flux cleaned = -0.000934741 Jy ! Component: 150 - total flux cleaned = -0.0012011 Jy ! Component: 200 - total flux cleaned = -0.00119908 Jy ! Total flux subtracted in 200 components = -0.00119908 Jy ! Clean residual min=-0.007176 max=0.006910 Jy/beam ! Clean residual mean=-0.000011 rms=0.001878 Jy/beam ! Combined flux in latest and established models = 1.10824 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 65 components and 1.10824 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=0.045102Jy sigma=0.667464 ! Fit after self-cal, rms=0.045067Jy sigma=0.667033 ! 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=0.045067Jy sigma=0.667033 ! Fit after self-cal, rms=0.044114Jy sigma=0.653633 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8887 mas, bmaj=2.327 mas, bpa=-1.718 degrees ! Estimated noise=0.678784 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00551675 Jy ! Component: 100 - total flux cleaned = -0.00673012 Jy ! Component: 150 - total flux cleaned = -0.00724217 Jy ! Component: 200 - total flux cleaned = -0.00757169 Jy ! Total flux subtracted in 200 components = -0.00757169 Jy ! Clean residual min=-0.006183 max=0.006151 Jy/beam ! Clean residual mean=-0.000010 rms=0.001570 Jy/beam ! Combined flux in latest and established models = 1.10067 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 69 components and 1.10067 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=0.043169Jy sigma=0.639069 ! Fit after self-cal, rms=0.043146Jy sigma=0.638665 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 = -0.000439103 Jy ! Component: 100 - total flux cleaned = -0.000637868 Jy ! Component: 150 - total flux cleaned = -0.000757569 Jy ! Component: 200 - total flux cleaned = -0.000813076 Jy ! Total flux subtracted in 200 components = -0.000813076 Jy ! Clean residual min=-0.005858 max=0.006071 Jy/beam ! Clean residual mean=-0.000010 rms=0.001545 Jy/beam ! Combined flux in latest and established models = 1.09986 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 69 components and 1.09986 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=0.042952Jy sigma=0.635987 ! Fit after self-cal, rms=0.042939Jy sigma=0.635850 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.042939Jy sigma=0.635850 ! Fit after self-cal, rms=0.042338Jy sigma=0.627881 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.161 mas, bmaj=4.661 mas, bpa=1.766 degrees ! Estimated noise=0.829761 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00382983 Jy ! Component: 100 - total flux cleaned = -0.0044113 Jy ! Component: 150 - total flux cleaned = -0.00466025 Jy ! Component: 200 - total flux cleaned = -0.00465778 Jy ! Total flux subtracted in 200 components = -0.00465778 Jy ! Clean residual min=-0.006040 max=0.007098 Jy/beam ! Clean residual mean=-0.000021 rms=0.001950 Jy/beam ! Combined flux in latest and established models = 1.0952 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 76 components and 1.0952 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=0.042127Jy sigma=0.625025 ! Fit after self-cal, rms=0.042087Jy sigma=0.624320 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.80889e-05 Jy ! Component: 100 - total flux cleaned = 2.56298e-05 Jy ! Component: 150 - total flux cleaned = 2.52326e-05 Jy ! Component: 200 - total flux cleaned = 2.42775e-05 Jy ! Total flux subtracted in 200 components = 2.42775e-05 Jy ! Clean residual min=-0.006064 max=0.006899 Jy/beam ! Clean residual mean=-0.000021 rms=0.001935 Jy/beam ! Combined flux in latest and established models = 1.09523 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 78 components and 1.09523 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=0.042084Jy sigma=0.624034 ! Fit after self-cal, rms=0.042075Jy sigma=0.623889 ! 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=0.8888 mas, bmaj=2.327 mas, bpa=-1.684 degrees ! Estimated noise=0.678895 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8888 x 2.327 at -1.684 degrees (North through East) ! Clean map min=-0.006466 max=0.84403 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.042075Jy sigma=0.623889 ! Fit after self-cal, rms=0.039849Jy sigma=0.580231 ! Inverting map and beam ! Estimated beam: bmin=0.8892 mas, bmaj=2.327 mas, bpa=-1.659 degrees ! Estimated noise=0.678279 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0040482 Jy ! Component: 100 - total flux cleaned = -0.00476682 Jy ! Component: 150 - total flux cleaned = -0.00500609 Jy ! Component: 200 - total flux cleaned = -0.00520837 Jy ! Total flux subtracted in 200 components = -0.00520837 Jy ! Clean residual min=-0.004647 max=0.005534 Jy/beam ! Clean residual mean=-0.000010 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 1.09002 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 84 components and 1.09002 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=0.039233Jy sigma=0.571713 ! Fit after self-cal, rms=0.039218Jy sigma=0.571496 ! Inverting map ! Added new window around map position (1.6, -13.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00512392 Jy ! Component: 100 - total flux cleaned = 0.00740349 Jy ! Component: 150 - total flux cleaned = 0.00816521 Jy ! Component: 200 - total flux cleaned = 0.0086008 Jy ! Total flux subtracted in 200 components = 0.0086008 Jy ! Clean residual min=-0.004619 max=0.003909 Jy/beam ! Clean residual mean=-0.000006 rms=0.001075 Jy/beam ! Combined flux in latest and established models = 1.09862 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 100 components and 1.09862 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=0.038362Jy sigma=0.558985 ! Fit after self-cal, rms=0.038364Jy sigma=0.558812 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.038364Jy sigma=0.558812 ! Fit after self-cal, rms=0.038083Jy sigma=0.555090 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=0.7449 mas, bmaj=2.026 mas, bpa=-0.5756 degrees ! Estimated noise=0.984155 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.657742 Jy ! Component: 100 - total flux cleaned = 0.830577 Jy ! Component: 150 - total flux cleaned = 0.917651 Jy ! Component: 200 - total flux cleaned = 0.967711 Jy ! Total flux subtracted in 200 components = 0.967711 Jy ! Clean residual min=-0.015689 max=0.027741 Jy/beam ! Clean residual mean=-0.000020 rms=0.005106 Jy/beam ! Combined flux in latest and established models = 0.967711 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.967711 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8892 mas, bmaj=2.327 mas, bpa=-1.649 degrees ! Estimated noise=0.67781 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 = 0.0467659 Jy ! Component: 100 - total flux cleaned = 0.0746262 Jy ! Component: 150 - total flux cleaned = 0.092001 Jy ! Component: 200 - total flux cleaned = 0.102919 Jy ! Total flux subtracted in 200 components = 0.102919 Jy ! Clean residual min=-0.005465 max=0.006874 Jy/beam ! Clean residual mean=-0.000016 rms=0.001730 Jy/beam ! Combined flux in latest and established models = 1.07063 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 52 components and 1.07063 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.166 mas, bmaj=4.668 mas, bpa=1.806 degrees ! Estimated noise=0.82718 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0099101 Jy ! Component: 100 - total flux cleaned = 0.0153784 Jy ! Component: 150 - total flux cleaned = 0.0187979 Jy ! Component: 200 - total flux cleaned = 0.0202643 Jy ! Total flux subtracted in 200 components = 0.0202643 Jy ! Clean residual min=-0.005675 max=0.005492 Jy/beam ! Clean residual mean=-0.000017 rms=0.001719 Jy/beam ! Combined flux in latest and established models = 1.09089 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 = 0.00117024 Jy ! Component: 100 - total flux cleaned = 0.00220431 Jy ! Component: 150 - total flux cleaned = 0.0026706 Jy ! Component: 200 - total flux cleaned = 0.00266947 Jy ! Total flux subtracted in 200 components = 0.00266947 Jy ! Clean residual min=-0.004719 max=0.004776 Jy/beam ! Clean residual mean=-0.000014 rms=0.001571 Jy/beam ! Combined flux in latest and established models = 1.09356 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 82 components and 1.09356 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8892 mas, bmaj=2.327 mas, bpa=-1.649 degrees ! Estimated noise=0.67781 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000124091 Jy ! Component: 100 - total flux cleaned = 0.000719042 Jy ! Component: 150 - total flux cleaned = 0.00124046 Jy ! Component: 200 - total flux cleaned = 0.00151703 Jy ! Total flux subtracted in 200 components = 0.00151703 Jy ! Clean residual min=-0.003768 max=0.003894 Jy/beam ! Clean residual mean=-0.000005 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 1.09508 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 98 components and 1.09508 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=0.038466Jy sigma=0.558219 ! Fit after self-cal, rms=0.038353Jy sigma=0.557099 wmodel J0702-1951_X_map.mod ! Writing 98 model components to file: J0702-1951_X_map.mod wobs J0702-1951_X_uvs.fits ! Writing UV FITS file: J0702-1951_X_uvs.fits wwins J0702-1951_X_map.win ! wwins: Wrote 4 windows to J0702-1951_X_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 = 0.000528317 Jy ! Component: 100 - total flux cleaned = 0.000338806 Jy ! Component: 150 - total flux cleaned = 4.38786e-05 Jy ! Component: 200 - total flux cleaned = -0.000233294 Jy ! Component: 250 - total flux cleaned = -0.000445411 Jy ! Component: 300 - total flux cleaned = -0.000801497 Jy ! Component: 350 - total flux cleaned = -0.000705521 Jy ! Component: 400 - total flux cleaned = -0.000707161 Jy ! Component: 450 - total flux cleaned = -0.000617991 Jy ! Component: 500 - total flux cleaned = -0.000486528 Jy ! Component: 550 - total flux cleaned = -0.00023162 Jy ! Component: 600 - total flux cleaned = -6.71593e-05 Jy ! Component: 650 - total flux cleaned = 5.24537e-05 Jy ! Component: 700 - total flux cleaned = 1.43909e-05 Jy ! Component: 750 - total flux cleaned = 0.000127686 Jy ! Component: 800 - total flux cleaned = 0.000200275 Jy ! Component: 850 - total flux cleaned = 0.000306451 Jy ! Component: 900 - total flux cleaned = 0.00034148 Jy ! Component: 950 - total flux cleaned = 0.000409333 Jy ! Component: 1000 - total flux cleaned = 0.000539915 Jy ! Component: 1050 - total flux cleaned = 0.000602176 Jy ! Component: 1100 - total flux cleaned = 0.000602065 Jy ! Component: 1150 - total flux cleaned = 0.000631842 Jy ! Component: 1200 - total flux cleaned = 0.00060153 Jy ! Component: 1250 - total flux cleaned = 0.000600974 Jy ! Component: 1300 - total flux cleaned = 0.000572618 Jy ! Component: 1350 - total flux cleaned = 0.000573026 Jy ! Component: 1400 - total flux cleaned = 0.000627703 Jy ! Component: 1450 - total flux cleaned = 0.00060108 Jy ! Component: 1500 - total flux cleaned = 0.000627148 Jy ! Component: 1550 - total flux cleaned = 0.000524809 Jy ! Component: 1600 - total flux cleaned = 0.000475291 Jy ! Component: 1650 - total flux cleaned = 0.000426273 Jy ! Component: 1700 - total flux cleaned = 0.000402687 Jy ! Component: 1750 - total flux cleaned = 0.000355283 Jy ! Component: 1800 - total flux cleaned = 0.000355542 Jy ! Component: 1850 - total flux cleaned = 0.000310004 Jy ! Component: 1900 - total flux cleaned = 0.000287706 Jy ! Component: 1950 - total flux cleaned = 0.000243701 Jy ! Component: 2000 - total flux cleaned = 0.000200484 Jy ! Component: 2050 - total flux cleaned = 0.000136695 Jy ! Component: 2100 - total flux cleaned = 0.000115999 Jy ! Component: 2150 - total flux cleaned = 7.4654e-05 Jy ! Component: 2200 - total flux cleaned = 5.44739e-05 Jy ! Component: 2250 - total flux cleaned = -4.45907e-05 Jy ! Component: 2300 - total flux cleaned = -6.40103e-05 Jy ! Component: 2350 - total flux cleaned = -0.000102214 Jy ! Component: 2400 - total flux cleaned = -6.46628e-05 Jy ! Component: 2450 - total flux cleaned = -8.36279e-05 Jy ! Component: 2500 - total flux cleaned = -8.3504e-05 Jy ! Component: 2550 - total flux cleaned = -0.000155655 Jy ! Component: 2600 - total flux cleaned = -0.000155371 Jy ! Component: 2650 - total flux cleaned = -0.000207974 Jy ! Component: 2700 - total flux cleaned = -0.000173253 Jy ! Component: 2750 - total flux cleaned = -0.000258716 Jy ! Component: 2800 - total flux cleaned = -0.000275267 Jy ! Component: 2850 - total flux cleaned = -0.000341775 Jy ! Component: 2900 - total flux cleaned = -0.000440131 Jy ! Component: 2950 - total flux cleaned = -0.000440103 Jy ! Component: 3000 - total flux cleaned = -0.00047208 Jy ! Component: 3050 - total flux cleaned = -0.000519674 Jy ! Component: 3100 - total flux cleaned = -0.000613431 Jy ! Component: 3150 - total flux cleaned = -0.000659737 Jy ! Component: 3200 - total flux cleaned = -0.000720852 Jy ! Component: 3250 - total flux cleaned = -0.000796557 Jy ! Component: 3300 - total flux cleaned = -0.00084121 Jy ! Component: 3350 - total flux cleaned = -0.000944428 Jy ! Component: 3400 - total flux cleaned = -0.000973497 Jy ! Component: 3450 - total flux cleaned = -0.00103135 Jy ! Component: 3500 - total flux cleaned = -0.00107433 Jy ! Component: 3550 - total flux cleaned = -0.00111663 Jy ! Component: 3600 - total flux cleaned = -0.00117271 Jy ! Component: 3650 - total flux cleaned = -0.00120061 Jy ! Component: 3700 - total flux cleaned = -0.00125549 Jy ! Component: 3750 - total flux cleaned = -0.00129636 Jy ! Component: 3800 - total flux cleaned = -0.00139048 Jy ! Component: 3850 - total flux cleaned = -0.00137718 Jy ! Component: 3900 - total flux cleaned = -0.00145655 Jy ! Component: 3950 - total flux cleaned = -0.00148264 Jy ! Component: 4000 - total flux cleaned = -0.00150859 Jy ! Component: 4050 - total flux cleaned = -0.00156026 Jy ! Total flux subtracted in 4096 components = -0.00159864 Jy ! Clean residual min=-0.000772 max=0.000805 Jy/beam ! Clean residual mean=-0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 1.09348 Jy keep ! Adding 314 model components to the UV plane model. ! The established model now contains 412 components and 1.09348 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0702-1951_X_20180408_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8892 x 2.327 at -1.649 degrees (North through East) ! Clean map min=-0.0035096 max=0.84988 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0702-1951_X_20180408_map.fits wmodel /vlbi/bs262/maps//J0702-1951_X_20180408_map.mod ! Writing 412 model components to file: /vlbi/bs262/maps//J0702-1951_X_20180408_map.mod wobs /vlbi/bs262/maps//J0702-1951_X_20180408_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0702-1951_X_20180408_uvs.fits wwins /vlbi/bs262/maps//J0702-1951_X_20180408_map.win ! wwins: Wrote 5 windows to /vlbi/bs262/maps//J0702-1951_X_20180408_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.849881 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000258888 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0913852 0.0913852 0.18277 0.365541 0.731081 1.46216 2.92433 5.84865 11.6973 23.3946 46.7892 93.5784 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.849 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3282.81 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0702-1951_X_20180408_dfm.log closed on Mon Jun 4 23:20:12 2018