! Started logfile: /vlbi/sb072/temp_maps//J0739+1739_C_dfm.log on Sat Jan 12 21:52:51 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//J0739+1739_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J0739+1739_C_uvm.fits ! AN table 1: 6 integrations on 28 of 28 possible baselines. ! AN table 2: 6 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0739+1739 ! ! 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 3072 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 J0739+1739_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. ! ! 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=1.003148Jy sigma=45.428943 ! Fit after self-cal, rms=0.922690Jy sigma=41.411432 ! 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=1.527 mas, bmaj=3.93 mas, bpa=16.21 degrees ! Estimated noise=0.470429 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 = 0.056656 Jy ! Component: 100 - total flux cleaned = 0.0727372 Jy ! Total flux subtracted in 100 components = 0.0727372 Jy ! Clean residual min=-0.003134 max=0.007352 Jy/beam ! Clean residual mean=0.000003 rms=0.000887 Jy/beam ! Combined flux in latest and established models = 0.0727372 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0727372 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=0.036175Jy sigma=1.128251 ! Fit after self-cal, rms=0.036352Jy sigma=1.124360 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0085376 Jy ! Component: 100 - total flux cleaned = 0.0132798 Jy ! Total flux subtracted in 100 components = 0.0132798 Jy ! Clean residual min=-0.002065 max=0.002645 Jy/beam ! Clean residual mean=0.000001 rms=0.000575 Jy/beam ! Combined flux in latest and established models = 0.0860169 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 0.0860169 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=0.033757Jy sigma=0.942093 ! Fit after self-cal, rms=0.033677Jy sigma=0.938922 ! 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=1.931 mas, bmaj=4.297 mas, bpa=14.29 degrees ! Estimated noise=0.324429 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 = 0.00372565 Jy ! Component: 100 - total flux cleaned = 0.00561573 Jy ! Component: 150 - total flux cleaned = 0.00684441 Jy ! Component: 200 - total flux cleaned = 0.00765985 Jy ! Total flux subtracted in 200 components = 0.00765985 Jy ! Clean residual min=-0.002155 max=0.001959 Jy/beam ! Clean residual mean=0.000002 rms=0.000485 Jy/beam ! Combined flux in latest and established models = 0.0936768 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 25 components and 0.0936768 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=0.033228Jy sigma=0.912450 ! Fit after self-cal, rms=0.033201Jy sigma=0.911974 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.931 x 4.297 at 14.29 degrees (North through East) ! Clean map min=-0.0021276 max=0.077634 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 HN 0.88 LA 1.07 ! NL 0.98 OV 0.91 PT 0.90 SC 1.13 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.94 HN 0.93 KP 1.01 ! LA 1.13 MK 0.96 OV 0.96 PT 0.96 ! SC 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.92 HN 0.97 LA 1.06 ! NL 0.93 OV 1.00 PT 0.82 SC 0.80 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.97 HN 0.86 KP 0.97 ! LA 1.12 MK 0.99 OV 0.94 PT 0.97 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.93 HN 0.92 LA 1.03 ! NL 1.00 OV 1.02 PT 0.89 SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.93 HN 0.92 KP 1.01 ! LA 1.07 MK 0.99 OV 0.99 PT 0.98 ! SC 0.93 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.93 HN 0.99 LA 1.03 ! NL 0.95 OV 0.97 PT 0.94 SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 0.93 HN 0.98 KP 1.00 ! LA 1.09 MK 1.00 OV 0.98 PT 0.92 ! SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.94 HN 0.98 LA 1.06 ! NL 1.04 OV 1.05 PT 0.93 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.98 HN 0.96 KP 0.95 ! LA 1.11 MK 1.06 OV 0.99 PT 1.00 ! SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.93 HN 1.00 LA 1.06 ! NL 1.03 OV 1.07 PT 0.95 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.96 HN 0.96 KP 1.01 ! LA 1.10 MK 1.04 OV 1.03 PT 1.04 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 1.01 LA 1.09 ! NL 0.95 OV 0.98 PT 0.95 SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.99 HN 1.01 KP 0.98 ! LA 1.06 MK 1.01 OV 1.04 PT 0.97 ! SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.91 HN 1.09 LA 1.09 ! NL 1.05 OV 1.05 PT 0.91 SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.00 HN 1.09 KP 1.00 ! LA 1.10 MK 1.09 OV 1.04 PT 0.98 ! SC 1.03 ! ! ! Fit before self-cal, rms=0.033201Jy sigma=0.911974 ! Fit after self-cal, rms=0.032074Jy sigma=0.850630 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.929 mas, bmaj=4.3 mas, bpa=14.05 degrees ! Estimated noise=0.323529 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 (2.1, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013281 Jy ! Component: 100 - total flux cleaned = 0.00145023 Jy ! Component: 150 - total flux cleaned = 0.00152867 Jy ! Component: 200 - total flux cleaned = 0.00152813 Jy ! Total flux subtracted in 200 components = 0.00152813 Jy ! Clean residual min=-0.001041 max=0.001084 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0952049 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 43 components and 0.0952049 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=0.031997Jy sigma=0.846687 ! Fit after self-cal, rms=0.031900Jy sigma=0.846189 ! 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=0.031900Jy sigma=0.846189 ! Fit after self-cal, rms=0.031773Jy sigma=0.845648 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.923 mas, bmaj=4.292 mas, bpa=14.01 degrees ! Estimated noise=0.323207 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000545395 Jy ! Component: 100 - total flux cleaned = 0.000508771 Jy ! Component: 150 - total flux cleaned = 0.000492723 Jy ! Component: 200 - total flux cleaned = 0.000492438 Jy ! Total flux subtracted in 200 components = 0.000492438 Jy ! Clean residual min=-0.001031 max=0.000967 Jy/beam ! Clean residual mean=-0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.0956974 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 53 components and 0.0956974 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=0.031749Jy sigma=0.844491 ! Fit after self-cal, rms=0.031737Jy sigma=0.844384 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 = -8.63354e-06 Jy ! Component: 100 - total flux cleaned = -2.18481e-05 Jy ! Component: 150 - total flux cleaned = -3.39276e-05 Jy ! Component: 200 - total flux cleaned = -2.24868e-05 Jy ! Total flux subtracted in 200 components = -2.24868e-05 Jy ! Clean residual min=-0.001014 max=0.000932 Jy/beam ! Clean residual mean=-0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0956749 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 0.0956749 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=0.031724Jy sigma=0.843932 ! Fit after self-cal, rms=0.031723Jy sigma=0.843893 ! 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=0.031723Jy sigma=0.843893 ! Fit after self-cal, rms=0.031724Jy sigma=0.843791 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.921 mas, bmaj=4.29 mas, bpa=14 degrees ! Estimated noise=0.323174 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000112319 Jy ! Component: 100 - total flux cleaned = 0.000111787 Jy ! Component: 150 - total flux cleaned = 0.000112148 Jy ! Component: 200 - total flux cleaned = 0.000112703 Jy ! Total flux subtracted in 200 components = 0.000112703 Jy ! Clean residual min=-0.001012 max=0.000897 Jy/beam ! Clean residual mean=-0.000001 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.0957876 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.0957876 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=0.031714Jy sigma=0.843495 ! Fit after self-cal, rms=0.031713Jy sigma=0.843473 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 = 2.77062e-05 Jy ! Component: 100 - total flux cleaned = 3.64102e-05 Jy ! Component: 150 - total flux cleaned = 3.62427e-05 Jy ! Component: 200 - total flux cleaned = 3.61889e-05 Jy ! Total flux subtracted in 200 components = 3.61889e-05 Jy ! Clean residual min=-0.000996 max=0.000895 Jy/beam ! Clean residual mean=-0.000001 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0958238 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 68 components and 0.0958237 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=0.031706Jy sigma=0.843309 ! Fit after self-cal, rms=0.031706Jy sigma=0.843298 ! 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=0.031706Jy sigma=0.843298 ! Fit after self-cal, rms=0.031749Jy sigma=0.843274 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.759 mas, bmaj=5.397 mas, bpa=2.446 degrees ! Estimated noise=0.373554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.53192e-05 Jy ! Component: 100 - total flux cleaned = 8.05783e-05 Jy ! Component: 150 - total flux cleaned = 0.000102467 Jy ! Component: 200 - total flux cleaned = 0.000125987 Jy ! Total flux subtracted in 200 components = 0.000125987 Jy ! Clean residual min=-0.000925 max=0.000981 Jy/beam ! Clean residual mean=-0.000002 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.0959497 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 80 components and 0.0959497 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=0.031750Jy sigma=0.843243 ! Fit after self-cal, rms=0.031749Jy sigma=0.843222 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 = 3.54988e-05 Jy ! Component: 100 - total flux cleaned = 5.27976e-05 Jy ! Component: 150 - total flux cleaned = 7.14205e-05 Jy ! Component: 200 - total flux cleaned = 8.43631e-05 Jy ! Total flux subtracted in 200 components = 8.43631e-05 Jy ! Clean residual min=-0.000930 max=0.000977 Jy/beam ! Clean residual mean=-0.000002 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.0960341 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 87 components and 0.0960341 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=0.031750Jy sigma=0.843236 ! Fit after self-cal, rms=0.031749Jy sigma=0.843226 ! 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=1.922 mas, bmaj=4.29 mas, bpa=13.99 degrees ! Estimated noise=0.323381 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.922 x 4.29 at 13.99 degrees (North through East) ! Clean map min=-0.00095639 max=0.077667 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=1.523 mas, bmaj=3.925 mas, bpa=15.94 degrees ! Estimated noise=0.468194 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0562796 Jy ! Component: 100 - total flux cleaned = 0.0730943 Jy ! Component: 150 - total flux cleaned = 0.0818794 Jy ! Component: 200 - total flux cleaned = 0.0867316 Jy ! Total flux subtracted in 200 components = 0.0867316 Jy ! Clean residual min=-0.001883 max=0.002484 Jy/beam ! Clean residual mean=0.000001 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.0867316 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0867316 Jy ! Inverting map and beam ! Estimated beam: bmin=1.922 mas, bmaj=4.29 mas, bpa=13.99 degrees ! Estimated noise=0.323381 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 = 0.00382562 Jy ! Component: 100 - total flux cleaned = 0.00574423 Jy ! Component: 150 - total flux cleaned = 0.00691257 Jy ! Component: 200 - total flux cleaned = 0.00774163 Jy ! Total flux subtracted in 200 components = 0.00774163 Jy ! Clean residual min=-0.001083 max=0.000984 Jy/beam ! Clean residual mean=-0.000000 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.0944732 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 34 components and 0.0944732 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=3.759 mas, bmaj=5.397 mas, bpa=2.446 degrees ! Estimated noise=0.373554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000672036 Jy ! Component: 100 - total flux cleaned = 0.00110082 Jy ! Component: 150 - total flux cleaned = 0.00121412 Jy ! Component: 200 - total flux cleaned = 0.0012764 Jy ! Total flux subtracted in 200 components = 0.0012764 Jy ! Clean residual min=-0.000933 max=0.000943 Jy/beam ! Clean residual mean=-0.000002 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.0957496 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 = 6.12937e-05 Jy ! Component: 100 - total flux cleaned = 9.88636e-05 Jy ! Component: 150 - total flux cleaned = 0.000132 Jy ! Component: 200 - total flux cleaned = 0.000150307 Jy ! Total flux subtracted in 200 components = 0.000150307 Jy ! Clean residual min=-0.000938 max=0.000949 Jy/beam ! Clean residual mean=-0.000002 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.0958999 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 77 components and 0.0959 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.922 mas, bmaj=4.29 mas, bpa=13.99 degrees ! Estimated noise=0.323381 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.88471e-06 Jy ! Component: 100 - total flux cleaned = 2.47432e-05 Jy ! Component: 150 - total flux cleaned = 2.45832e-05 Jy ! Component: 200 - total flux cleaned = 1.17441e-05 Jy ! Total flux subtracted in 200 components = 1.17441e-05 Jy ! Clean residual min=-0.001006 max=0.000926 Jy/beam ! Clean residual mean=-0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0959117 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 89 components and 0.0959117 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=0.031765Jy sigma=0.843861 ! Fit after self-cal, rms=0.031762Jy sigma=0.843770 wmodel J0739+1739_C_map.mod ! Writing 89 model components to file: J0739+1739_C_map.mod wobs J0739+1739_C_uvs.fits ! Writing UV FITS file: J0739+1739_C_uvs.fits wwins J0739+1739_C_map.win ! wwins: Wrote 2 windows to J0739+1739_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 = -0.000191054 Jy ! Component: 100 - total flux cleaned = -0.000224624 Jy ! Component: 150 - total flux cleaned = -0.00022458 Jy ! Component: 200 - total flux cleaned = -0.000224224 Jy ! Component: 250 - total flux cleaned = -0.000164149 Jy ! Component: 300 - total flux cleaned = -0.000120254 Jy ! Component: 350 - total flux cleaned = -9.15534e-05 Jy ! Component: 400 - total flux cleaned = -0.00010541 Jy ! Component: 450 - total flux cleaned = -7.76582e-05 Jy ! Component: 500 - total flux cleaned = -5.04428e-05 Jy ! Component: 550 - total flux cleaned = -3.74185e-05 Jy ! Component: 600 - total flux cleaned = -6.37631e-05 Jy ! Component: 650 - total flux cleaned = -6.3788e-05 Jy ! Component: 700 - total flux cleaned = -0.000101769 Jy ! Component: 750 - total flux cleaned = -0.000126497 Jy ! Component: 800 - total flux cleaned = -0.000126182 Jy ! Component: 850 - total flux cleaned = -0.000114279 Jy ! Component: 900 - total flux cleaned = -0.000150434 Jy ! Component: 950 - total flux cleaned = -0.000174084 Jy ! Component: 1000 - total flux cleaned = -0.000221026 Jy ! Component: 1050 - total flux cleaned = -0.00023262 Jy ! Component: 1100 - total flux cleaned = -0.000244162 Jy ! Component: 1150 - total flux cleaned = -0.000300735 Jy ! Component: 1200 - total flux cleaned = -0.000345464 Jy ! Component: 1250 - total flux cleaned = -0.000367466 Jy ! Component: 1300 - total flux cleaned = -0.000400122 Jy ! Component: 1350 - total flux cleaned = -0.000421711 Jy ! Component: 1400 - total flux cleaned = -0.000432301 Jy ! Component: 1450 - total flux cleaned = -0.000442836 Jy ! Component: 1500 - total flux cleaned = -0.000495334 Jy ! Component: 1550 - total flux cleaned = -0.000495316 Jy ! Component: 1600 - total flux cleaned = -0.000567673 Jy ! Component: 1650 - total flux cleaned = -0.000588232 Jy ! Component: 1700 - total flux cleaned = -0.000639065 Jy ! Component: 1750 - total flux cleaned = -0.000659324 Jy ! Component: 1800 - total flux cleaned = -0.000709288 Jy ! Component: 1850 - total flux cleaned = -0.000739037 Jy ! Component: 1900 - total flux cleaned = -0.000807894 Jy ! Component: 1950 - total flux cleaned = -0.000866458 Jy ! Component: 2000 - total flux cleaned = -0.000876084 Jy ! Component: 2050 - total flux cleaned = -0.000914574 Jy ! Component: 2100 - total flux cleaned = -0.000981534 Jy ! Component: 2150 - total flux cleaned = -0.000981446 Jy ! Component: 2200 - total flux cleaned = -0.00103804 Jy ! Component: 2250 - total flux cleaned = -0.00107557 Jy ! Component: 2300 - total flux cleaned = -0.00111279 Jy ! Component: 2350 - total flux cleaned = -0.00115905 Jy ! Component: 2400 - total flux cleaned = -0.00114058 Jy ! Component: 2450 - total flux cleaned = -0.00119551 Jy ! Component: 2500 - total flux cleaned = -0.00120457 Jy ! Component: 2550 - total flux cleaned = -0.00125889 Jy ! Component: 2600 - total flux cleaned = -0.0012948 Jy ! Component: 2650 - total flux cleaned = -0.00133952 Jy ! Component: 2700 - total flux cleaned = -0.00133941 Jy ! Component: 2750 - total flux cleaned = -0.00140137 Jy ! Component: 2800 - total flux cleaned = -0.001419 Jy ! Component: 2850 - total flux cleaned = -0.00141895 Jy ! Component: 2900 - total flux cleaned = -0.0014277 Jy ! Component: 2950 - total flux cleaned = -0.00147094 Jy ! Component: 3000 - total flux cleaned = -0.00148811 Jy ! Component: 3050 - total flux cleaned = -0.001471 Jy ! Component: 3100 - total flux cleaned = -0.00147957 Jy ! Component: 3150 - total flux cleaned = -0.00149652 Jy ! Component: 3200 - total flux cleaned = -0.00149651 Jy ! Component: 3250 - total flux cleaned = -0.00153015 Jy ! Component: 3300 - total flux cleaned = -0.00153855 Jy ! Component: 3350 - total flux cleaned = -0.00155516 Jy ! Component: 3400 - total flux cleaned = -0.00158827 Jy ! Component: 3450 - total flux cleaned = -0.00155544 Jy ! Component: 3500 - total flux cleaned = -0.0015719 Jy ! Component: 3550 - total flux cleaned = -0.00158822 Jy ! Component: 3600 - total flux cleaned = -0.001572 Jy ! Component: 3650 - total flux cleaned = -0.00158814 Jy ! Component: 3700 - total flux cleaned = -0.00155593 Jy ! Component: 3750 - total flux cleaned = -0.00157193 Jy ! Component: 3800 - total flux cleaned = -0.00158793 Jy ! Component: 3850 - total flux cleaned = -0.00159587 Jy ! Component: 3900 - total flux cleaned = -0.00161959 Jy ! Component: 3950 - total flux cleaned = -0.0016274 Jy ! Component: 4000 - total flux cleaned = -0.00161962 Jy ! Component: 4050 - total flux cleaned = -0.00161958 Jy ! Total flux subtracted in 4096 components = -0.00165061 Jy ! Clean residual min=-0.000445 max=0.000443 Jy/beam ! Clean residual mean=-0.000001 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0942611 Jy keep ! Adding 293 model components to the UV plane model. ! The established model now contains 382 components and 0.0942612 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J0739+1739_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.922 x 4.29 at 13.99 degrees (North through East) ! Clean map min=-0.00077099 max=0.077752 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J0739+1739_C_map.fits wmodel /vlbi/sb072/temp_maps//J0739+1739_C_map.mod ! Writing 382 model components to file: /vlbi/sb072/temp_maps//J0739+1739_C_map.mod wobs /vlbi/sb072/temp_maps//J0739+1739_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J0739+1739_C_uvs.fits wwins /vlbi/sb072/temp_maps//J0739+1739_C_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J0739+1739_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0777516 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000140855 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.543481 0.543481 1.08696 2.17392 4.34785 8.6957 17.3914 34.7828 69.5656 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.077 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 551.996 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J0739+1739_C_dfm.log closed on Sat Jan 12 21:52:55 2019