! Started logfile: /vlbi/sb072/temp_maps//J1826+1831_C_dfm.log on Sat Dec 15 22:32:46 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/sb072/temp_maps//J1826+1831_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1826+1831_C_uva.fits ! AN table 1: 5 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1826+1831 ! ! 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 94 lines of history. ! ! Reading 1440 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 J1826+1831_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=1.010469Jy sigma=43.667871 ! Fit after self-cal, rms=0.880078Jy sigma=37.736727 ! 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=1.155 mas, bmaj=3.401 mas, bpa=1.079 degrees ! Estimated noise=0.628128 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 = 0.0764786 Jy ! Component: 100 - total flux cleaned = 0.113431 Jy ! Total flux subtracted in 100 components = 0.113431 Jy ! Clean residual min=-0.010266 max=0.020612 Jy/beam ! Clean residual mean=0.000020 rms=0.003084 Jy/beam ! Combined flux in latest and established models = 0.113431 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.113431 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=0.077750Jy sigma=3.438026 ! Fit after self-cal, rms=0.077646Jy sigma=3.434634 ! Inverting map ! Added new window around map position (1.5, 0.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0241526 Jy ! Component: 100 - total flux cleaned = 0.0402184 Jy ! Total flux subtracted in 100 components = 0.0402184 Jy ! Clean residual min=-0.008045 max=0.013533 Jy/beam ! Clean residual mean=0.000016 rms=0.002190 Jy/beam ! Combined flux in latest and established models = 0.153649 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 19 components and 0.153649 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=0.060078Jy sigma=2.635559 ! Fit after self-cal, rms=0.059809Jy sigma=2.629030 ! Inverting map ! Added new window around map position (27.6, 3.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138284 Jy ! Component: 100 - total flux cleaned = 0.0234479 Jy ! Total flux subtracted in 100 components = 0.0234479 Jy ! Clean residual min=-0.006482 max=0.007341 Jy/beam ! Clean residual mean=0.000015 rms=0.001776 Jy/beam ! Combined flux in latest and established models = 0.177097 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 31 components and 0.177097 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=0.053735Jy sigma=2.362288 ! Fit after self-cal, rms=0.053491Jy sigma=2.359430 ! 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=1.473 mas, bmaj=3.8 mas, bpa=1.158 degrees ! Estimated noise=0.473037 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 = 0.022422 Jy ! Component: 100 - total flux cleaned = 0.0384196 Jy ! Component: 150 - total flux cleaned = 0.0504383 Jy ! Component: 200 - total flux cleaned = 0.0595754 Jy ! Total flux subtracted in 200 components = 0.0595754 Jy ! Clean residual min=-0.011439 max=0.013453 Jy/beam ! Clean residual mean=0.000046 rms=0.004090 Jy/beam ! Combined flux in latest and established models = 0.236673 Jy ! Performing phase self-cal ! Adding 65 model components to the UV plane model. ! The established model now contains 88 components and 0.236673 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=0.040212Jy sigma=1.749084 ! Fit after self-cal, rms=0.040156Jy sigma=1.740890 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.473 x 3.8 at 1.158 degrees (North through East) ! Clean map min=-0.011105 max=0.11875 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.83 HN 0.89 LA 0.89 ! MK 0.93 NL 1.39 OV 1.15 PT 0.73 ! SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.83 HN 0.94 LA 0.88 ! MK 1.06 NL 1.37 OV 1.14 PT 0.74 ! SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.87 HN 0.90 LA 0.87 ! MK 1.07 NL 1.26 OV 1.12 PT 0.78 ! SC 1.05 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.84 HN 0.88 LA 0.87 ! MK 1.15 NL 1.24 OV 1.14 PT 0.79 ! SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.92 HN 0.92 LA 0.88 ! MK 1.00 NL 1.14 OV 1.21 PT 0.82 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.90 HN 0.98 LA 0.90 ! MK 1.09 NL 1.18 OV 1.22 PT 0.81 ! SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.90 HN 0.93 LA 0.89 ! MK 1.18 NL 1.17 OV 1.21 PT 0.83 ! SC 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.93 HN 0.96 LA 0.88 ! MK 1.10 NL 1.20 OV 1.21 PT 0.83 ! SC 1.09 ! ! ! Fit before self-cal, rms=0.040156Jy sigma=1.740890 ! Fit after self-cal, rms=0.030047Jy sigma=1.142964 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.515 mas, bmaj=3.911 mas, bpa=1.167 degrees ! Estimated noise=0.469551 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, 15.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102622 Jy ! Component: 100 - total flux cleaned = 0.0160001 Jy ! Component: 150 - total flux cleaned = 0.0201869 Jy ! Component: 200 - total flux cleaned = 0.023226 Jy ! Total flux subtracted in 200 components = 0.023226 Jy ! Clean residual min=-0.005090 max=0.007070 Jy/beam ! Clean residual mean=0.000003 rms=0.001350 Jy/beam ! Combined flux in latest and established models = 0.259899 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 126 components and 0.259899 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=0.025912Jy sigma=0.914723 ! Fit after self-cal, rms=0.025855Jy sigma=0.909113 ! Inverting map ! Added new window around map position (8.1, -0.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00675111 Jy ! Component: 100 - total flux cleaned = 0.0104378 Jy ! Component: 150 - total flux cleaned = 0.0132674 Jy ! Component: 200 - total flux cleaned = 0.0143987 Jy ! Total flux subtracted in 200 components = 0.0143987 Jy ! Clean residual min=-0.004038 max=0.004740 Jy/beam ! Clean residual mean=-0.000002 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 0.274297 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 149 components and 0.274297 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=0.023652Jy sigma=0.795694 ! Fit after self-cal, rms=0.023395Jy sigma=0.791331 ! 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=0.023395Jy sigma=0.791331 ! Fit after self-cal, rms=0.022254Jy sigma=0.774895 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.524 mas, bmaj=3.916 mas, bpa=1.178 degrees ! Estimated noise=0.46749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00281354 Jy ! Component: 100 - total flux cleaned = 0.00414649 Jy ! Component: 150 - total flux cleaned = 0.00469431 Jy ! Component: 200 - total flux cleaned = 0.0050532 Jy ! Total flux subtracted in 200 components = 0.0050532 Jy ! Clean residual min=-0.003374 max=0.004578 Jy/beam ! Clean residual mean=-0.000002 rms=0.000840 Jy/beam ! Combined flux in latest and established models = 0.27935 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 179 components and 0.27935 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=0.021561Jy sigma=0.746005 ! Fit after self-cal, rms=0.021504Jy sigma=0.744911 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 (63.6, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00175707 Jy ! Component: 100 - total flux cleaned = 0.001815 Jy ! Component: 150 - total flux cleaned = 0.00195827 Jy ! Component: 200 - total flux cleaned = 0.00202045 Jy ! Total flux subtracted in 200 components = 0.00202045 Jy ! Clean residual min=-0.002850 max=0.003733 Jy/beam ! Clean residual mean=-0.000002 rms=0.000759 Jy/beam ! Combined flux in latest and established models = 0.281371 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 205 components and 0.281371 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=0.020503Jy sigma=0.703164 ! Fit after self-cal, rms=0.020464Jy sigma=0.701359 ! Inverting map ! Added new window around map position (41.1, 8.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171206 Jy ! Component: 100 - total flux cleaned = 0.00184733 Jy ! Component: 150 - total flux cleaned = 0.0022509 Jy ! Component: 200 - total flux cleaned = 0.0027511 Jy ! Total flux subtracted in 200 components = 0.0027511 Jy ! Clean residual min=-0.002525 max=0.003236 Jy/beam ! Clean residual mean=-0.000001 rms=0.000691 Jy/beam ! Combined flux in latest and established models = 0.284122 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 221 components and 0.284122 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=0.019648Jy sigma=0.668008 ! Fit after self-cal, rms=0.019627Jy sigma=0.666265 ! Inverting map ! Added new window around map position (-1.2, 28.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00280227 Jy ! Component: 100 - total flux cleaned = 0.00456095 Jy ! Component: 150 - total flux cleaned = 0.00561639 Jy ! Component: 200 - total flux cleaned = 0.0062404 Jy ! Total flux subtracted in 200 components = 0.0062404 Jy ! Clean residual min=-0.002408 max=0.002234 Jy/beam ! Clean residual mean=-0.000000 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.290363 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 238 components and 0.290363 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=0.019038Jy sigma=0.637704 ! Fit after self-cal, rms=0.019016Jy sigma=0.636581 ! 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=0.019016Jy sigma=0.636581 ! Fit after self-cal, rms=0.018581Jy sigma=0.630232 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.519 mas, bmaj=3.915 mas, bpa=1.154 degrees ! Estimated noise=0.464095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00133558 Jy ! Component: 100 - total flux cleaned = 0.0023419 Jy ! Component: 150 - total flux cleaned = 0.00311302 Jy ! Component: 200 - total flux cleaned = 0.0037872 Jy ! Total flux subtracted in 200 components = 0.0037872 Jy ! Clean residual min=-0.002184 max=0.002159 Jy/beam ! Clean residual mean=-0.000000 rms=0.000511 Jy/beam ! Combined flux in latest and established models = 0.29415 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 263 components and 0.29415 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=0.018283Jy sigma=0.616449 ! Fit after self-cal, rms=0.018272Jy sigma=0.616151 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 = 0.000755322 Jy ! Component: 100 - total flux cleaned = 0.00133191 Jy ! Component: 150 - total flux cleaned = 0.00179469 Jy ! Component: 200 - total flux cleaned = 0.00219844 Jy ! Total flux subtracted in 200 components = 0.00219844 Jy ! Clean residual min=-0.002080 max=0.002090 Jy/beam ! Clean residual mean=-0.000000 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.296348 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 279 components and 0.296348 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=0.018089Jy sigma=0.607080 ! Fit after self-cal, rms=0.018083Jy sigma=0.606978 ! Inverting map ! Added new window around map position (8.4, -45.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125828 Jy ! Component: 100 - total flux cleaned = 0.00192113 Jy ! Component: 150 - total flux cleaned = 0.00256516 Jy ! Component: 200 - total flux cleaned = 0.00317004 Jy ! Total flux subtracted in 200 components = 0.00317004 Jy ! Clean residual min=-0.002059 max=0.001670 Jy/beam ! Clean residual mean=0.000000 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.299518 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 302 components and 0.299518 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=0.017786Jy sigma=0.594430 ! Fit after self-cal, rms=0.017777Jy sigma=0.594205 ! 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=0.017777Jy sigma=0.594205 ! Fit after self-cal, rms=0.017602Jy sigma=0.593085 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.547 mas, bmaj=5.388 mas, bpa=3.318 degrees ! Estimated noise=0.565169 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00143781 Jy ! Component: 100 - total flux cleaned = 0.00240039 Jy ! Component: 150 - total flux cleaned = 0.00314723 Jy ! Component: 200 - total flux cleaned = 0.00384009 Jy ! Total flux subtracted in 200 components = 0.00384009 Jy ! Clean residual min=-0.002275 max=0.001967 Jy/beam ! Clean residual mean=-0.000001 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.303358 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 325 components and 0.303358 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=0.017475Jy sigma=0.587522 ! Fit after self-cal, rms=0.017479Jy sigma=0.587313 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 = 0.000582737 Jy ! Component: 100 - total flux cleaned = 0.00101225 Jy ! Component: 150 - total flux cleaned = 0.00130973 Jy ! Component: 200 - total flux cleaned = 0.00162604 Jy ! Total flux subtracted in 200 components = 0.00162604 Jy ! Clean residual min=-0.002195 max=0.001794 Jy/beam ! Clean residual mean=-0.000001 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.304984 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 339 components and 0.304984 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=0.017408Jy sigma=0.585103 ! Fit after self-cal, rms=0.017413Jy sigma=0.584980 ! 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=1.518 mas, bmaj=3.917 mas, bpa=1.108 degrees ! Estimated noise=0.462511 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.518 x 3.917 at 1.108 degrees (North through East) ! Clean map min=-0.0018292 max=0.11684 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=1.178 mas, bmaj=3.472 mas, bpa=0.9508 degrees ! Estimated noise=0.636112 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0768044 Jy ! Component: 100 - total flux cleaned = 0.114385 Jy ! Component: 150 - total flux cleaned = 0.13858 Jy ! Component: 200 - total flux cleaned = 0.155735 Jy ! Total flux subtracted in 200 components = 0.155735 Jy ! Clean residual min=-0.007771 max=0.009779 Jy/beam ! Clean residual mean=0.000011 rms=0.001964 Jy/beam ! Combined flux in latest and established models = 0.155735 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 0.155735 Jy ! Inverting map and beam ! Estimated beam: bmin=1.518 mas, bmaj=3.917 mas, bpa=1.108 degrees ! Estimated noise=0.462511 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 = 0.0232115 Jy ! Component: 100 - total flux cleaned = 0.0380486 Jy ! Component: 150 - total flux cleaned = 0.0496966 Jy ! Component: 200 - total flux cleaned = 0.0592752 Jy ! Total flux subtracted in 200 components = 0.0592752 Jy ! Clean residual min=-0.006745 max=0.007622 Jy/beam ! Clean residual mean=0.000020 rms=0.002296 Jy/beam ! Combined flux in latest and established models = 0.21501 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 70 components and 0.21501 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=3.547 mas, bmaj=5.388 mas, bpa=3.318 degrees ! Estimated noise=0.565169 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0122078 Jy ! Component: 100 - total flux cleaned = 0.0212095 Jy ! Component: 150 - total flux cleaned = 0.0286204 Jy ! Component: 200 - total flux cleaned = 0.0349401 Jy ! Total flux subtracted in 200 components = 0.0349401 Jy ! Clean residual min=-0.006530 max=0.005807 Jy/beam ! Clean residual mean=0.000015 rms=0.002038 Jy/beam ! Combined flux in latest and established models = 0.24995 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 = 0.00493874 Jy ! Component: 100 - total flux cleaned = 0.0093155 Jy ! Component: 150 - total flux cleaned = 0.0130907 Jy ! Component: 200 - total flux cleaned = 0.0163931 Jy ! Total flux subtracted in 200 components = 0.0163931 Jy ! Clean residual min=-0.004460 max=0.003943 Jy/beam ! Clean residual mean=0.000008 rms=0.001275 Jy/beam ! Combined flux in latest and established models = 0.266343 Jy ! Adding 88 model components to the UV plane model. ! The established model now contains 148 components and 0.266343 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.518 mas, bmaj=3.917 mas, bpa=1.108 degrees ! Estimated noise=0.462511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00343297 Jy ! Component: 100 - total flux cleaned = 0.00646886 Jy ! Component: 150 - total flux cleaned = 0.00875442 Jy ! Component: 200 - total flux cleaned = 0.01082 Jy ! Total flux subtracted in 200 components = 0.01082 Jy ! Clean residual min=-0.002956 max=0.003022 Jy/beam ! Clean residual mean=0.000002 rms=0.000678 Jy/beam ! Combined flux in latest and established models = 0.277163 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 176 components and 0.277163 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=0.019802Jy sigma=0.688479 ! Fit after self-cal, rms=0.019444Jy sigma=0.674518 wmodel J1826+1831_C_map.mod ! Writing 176 model components to file: J1826+1831_C_map.mod wobs J1826+1831_C_uvs.fits ! Writing UV FITS file: J1826+1831_C_uvs.fits wwins J1826+1831_C_map.win ! wwins: Wrote 9 windows to J1826+1831_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 = 0.000306432 Jy ! Component: 100 - total flux cleaned = 0.000631663 Jy ! Component: 150 - total flux cleaned = 0.000634309 Jy ! Component: 200 - total flux cleaned = 0.000474461 Jy ! Component: 250 - total flux cleaned = 0.000399835 Jy ! Component: 300 - total flux cleaned = 0.000294353 Jy ! Component: 350 - total flux cleaned = 0.000226682 Jy ! Component: 400 - total flux cleaned = 0.000127098 Jy ! Component: 450 - total flux cleaned = 3.09197e-05 Jy ! Component: 500 - total flux cleaned = -3.19699e-05 Jy ! Component: 550 - total flux cleaned = -0.000211772 Jy ! Component: 600 - total flux cleaned = -0.000327893 Jy ! Component: 650 - total flux cleaned = -0.000412192 Jy ! Component: 700 - total flux cleaned = -0.000440153 Jy ! Component: 750 - total flux cleaned = -0.000493779 Jy ! Component: 800 - total flux cleaned = -0.000546199 Jy ! Component: 850 - total flux cleaned = -0.000546262 Jy ! Component: 900 - total flux cleaned = -0.000521674 Jy ! Component: 950 - total flux cleaned = -0.000497256 Jy ! Component: 1000 - total flux cleaned = -0.000521185 Jy ! Component: 1050 - total flux cleaned = -0.000521064 Jy ! Component: 1100 - total flux cleaned = -0.000566553 Jy ! Component: 1150 - total flux cleaned = -0.000543686 Jy ! Component: 1200 - total flux cleaned = -0.000610048 Jy ! Component: 1250 - total flux cleaned = -0.000588425 Jy ! Component: 1300 - total flux cleaned = -0.000588922 Jy ! Component: 1350 - total flux cleaned = -0.000609591 Jy ! Component: 1400 - total flux cleaned = -0.000589545 Jy ! Component: 1450 - total flux cleaned = -0.000509399 Jy ! Component: 1500 - total flux cleaned = -0.000470593 Jy ! Component: 1550 - total flux cleaned = -0.000393338 Jy ! Component: 1600 - total flux cleaned = -0.000298304 Jy ! Component: 1650 - total flux cleaned = -0.0002613 Jy ! Component: 1700 - total flux cleaned = -0.000205794 Jy ! Component: 1750 - total flux cleaned = -6.08435e-05 Jy ! Component: 1800 - total flux cleaned = -7.89884e-05 Jy ! Component: 1850 - total flux cleaned = -6.08368e-05 Jy ! Component: 1900 - total flux cleaned = -2.56916e-05 Jy ! Component: 1950 - total flux cleaned = 4.28427e-05 Jy ! Component: 2000 - total flux cleaned = 9.37742e-05 Jy ! Component: 2050 - total flux cleaned = 9.36175e-05 Jy ! Component: 2100 - total flux cleaned = 0.000110287 Jy ! Component: 2150 - total flux cleaned = 0.000174721 Jy ! Component: 2200 - total flux cleaned = 0.000254304 Jy ! Component: 2250 - total flux cleaned = 0.000285429 Jy ! Component: 2300 - total flux cleaned = 0.000270058 Jy ! Component: 2350 - total flux cleaned = 0.000284803 Jy ! Component: 2400 - total flux cleaned = 0.000330164 Jy ! Component: 2450 - total flux cleaned = 0.000360012 Jy ! Component: 2500 - total flux cleaned = 0.000359874 Jy ! Component: 2550 - total flux cleaned = 0.000418135 Jy ! Component: 2600 - total flux cleaned = 0.000460912 Jy ! Component: 2650 - total flux cleaned = 0.000531629 Jy ! Component: 2700 - total flux cleaned = 0.000587669 Jy ! Component: 2750 - total flux cleaned = 0.000656757 Jy ! Component: 2800 - total flux cleaned = 0.000656859 Jy ! Component: 2850 - total flux cleaned = 0.000724328 Jy ! Component: 2900 - total flux cleaned = 0.000777528 Jy ! Component: 2950 - total flux cleaned = 0.000777412 Jy ! Component: 3000 - total flux cleaned = 0.000842613 Jy ! Component: 3050 - total flux cleaned = 0.000894137 Jy ! Component: 3100 - total flux cleaned = 0.000906756 Jy ! Component: 3150 - total flux cleaned = 0.000944688 Jy ! Component: 3200 - total flux cleaned = 0.000969734 Jy ! Component: 3250 - total flux cleaned = 0.00101944 Jy ! Component: 3300 - total flux cleaned = 0.00108045 Jy ! Component: 3350 - total flux cleaned = 0.00105634 Jy ! Component: 3400 - total flux cleaned = 0.00108053 Jy ! Component: 3450 - total flux cleaned = 0.00111602 Jy ! Component: 3500 - total flux cleaned = 0.00115124 Jy ! Component: 3550 - total flux cleaned = 0.00116317 Jy ! Component: 3600 - total flux cleaned = 0.0011979 Jy ! Component: 3650 - total flux cleaned = 0.00126653 Jy ! Component: 3700 - total flux cleaned = 0.00132298 Jy ! Component: 3750 - total flux cleaned = 0.00133414 Jy ! Component: 3800 - total flux cleaned = 0.00137886 Jy ! Component: 3850 - total flux cleaned = 0.00142308 Jy ! Component: 3900 - total flux cleaned = 0.00151072 Jy ! Component: 3950 - total flux cleaned = 0.00152147 Jy ! Component: 4000 - total flux cleaned = 0.00155393 Jy ! Component: 4050 - total flux cleaned = 0.00158598 Jy ! Total flux subtracted in 4096 components = 0.00163899 Jy ! Clean residual min=-0.000690 max=0.000617 Jy/beam ! Clean residual mean=0.000000 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.278802 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 479 components and 0.278802 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1826+1831_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.518 x 3.917 at 1.108 degrees (North through East) ! Clean map min=-0.0019133 max=0.11677 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1826+1831_C_map.fits wmodel /vlbi/sb072/temp_maps//J1826+1831_C_map.mod ! Writing 479 model components to file: /vlbi/sb072/temp_maps//J1826+1831_C_map.mod wobs /vlbi/sb072/temp_maps//J1826+1831_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1826+1831_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1826+1831_C_map.win ! wwins: Wrote 10 windows to /vlbi/sb072/temp_maps//J1826+1831_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.116775 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00019204 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.493358 0.493358 0.986717 1.97343 3.94687 7.89373 15.7875 31.5749 63.1499 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.116 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 608.077 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1826+1831_C_dfm.log closed on Sat Dec 15 22:32:50 2018