! Started logfile: /vlbi/bp222/maps//J2257-3627_X_dfm.log on Thu Sep 27 11:43:35 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/bp222/maps//J2257-3627_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2257-3627_X_uvm.fits ! AN table 1: 46 integrations on 45 of 45 possible baselines. ! AN table 2: 115 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.733172 visibilities/baseline/integration-bin. ! Found source: J2257-3627 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 54636 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J2257-3627_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. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.019685Jy sigma=12.218425 ! Fit after self-cal, rms=0.901900Jy sigma=10.514532 ! 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=0.5916 mas, bmaj=1.831 mas, bpa=-1.434 degrees ! Estimated noise=0.586435 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 = 0.0607828 Jy ! Component: 100 - total flux cleaned = 0.0849799 Jy ! Total flux subtracted in 100 components = 0.0849799 Jy ! Clean residual min=-0.007501 max=0.019163 Jy/beam ! Clean residual mean=0.000044 rms=0.003073 Jy/beam ! Combined flux in latest and established models = 0.0849799 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0849799 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.156095Jy sigma=2.094568 ! Fit after self-cal, rms=0.155650Jy sigma=2.091321 ! Inverting map ! Added new window around map position (-4.8, 7.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0203137 Jy ! Component: 100 - total flux cleaned = 0.0348611 Jy ! Total flux subtracted in 100 components = 0.0348611 Jy ! Clean residual min=-0.007262 max=0.018827 Jy/beam ! Clean residual mean=0.000047 rms=0.002864 Jy/beam ! Combined flux in latest and established models = 0.119841 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 33 components and 0.119841 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.147408Jy sigma=1.961013 ! Fit after self-cal, rms=0.146893Jy sigma=1.955151 ! Inverting map ! Added new window around map position (-2.4, 3.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0185001 Jy ! Component: 100 - total flux cleaned = 0.031626 Jy ! Total flux subtracted in 100 components = 0.031626 Jy ! Clean residual min=-0.006980 max=0.017260 Jy/beam ! Clean residual mean=0.000048 rms=0.002661 Jy/beam ! Combined flux in latest and established models = 0.151467 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 48 components and 0.151467 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.139667Jy sigma=1.838287 ! Fit after self-cal, rms=0.139306Jy sigma=1.833082 ! 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=0.8626 mas, bmaj=2.489 mas, bpa=-1.251 degrees ! Estimated noise=0.265771 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 = 0.0500602 Jy ! Component: 100 - total flux cleaned = 0.0854563 Jy ! Component: 150 - total flux cleaned = 0.11095 Jy ! Component: 200 - total flux cleaned = 0.129372 Jy ! Total flux subtracted in 200 components = 0.129372 Jy ! Clean residual min=-0.017915 max=0.042531 Jy/beam ! Clean residual mean=0.000189 rms=0.008047 Jy/beam ! Combined flux in latest and established models = 0.280839 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 76 components and 0.280839 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.122093Jy sigma=1.494123 ! Fit after self-cal, rms=0.120851Jy sigma=1.474535 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8626 x 2.489 at -1.251 degrees (North through East) ! Clean map min=-0.017098 max=0.097634 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.33 FD 1.74 HN 3.63 KP 1.24 ! LA 0.82 MK 1.22 NL 1.73 OV 1.10 ! PT 0.59 SC 1.26 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.29 KP 0.97 LA 0.70 ! MK 1.16 NL 1.86 OV 1.66 PT 0.65 ! SC 1.50 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.75 HN 3.58 KP 1.21 ! LA 0.81 MK 1.16 NL 1.87 OV 1.00 ! PT 0.63 SC 1.34 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.41 KP 0.95 LA 0.71 ! MK 1.19 NL 1.84 OV 1.44 PT 0.64 ! SC 1.61 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.75 HN 3.05 KP 1.19 ! LA 0.79 MK 1.22 NL 1.79 OV 0.97 ! PT 0.64 SC 1.36 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.42 KP 0.94 LA 0.72 ! MK 1.11 NL 1.83 OV 1.44 PT 0.65 ! SC 1.57 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.84 HN 2.92 KP 1.22 ! LA 0.82 MK 1.20 NL 1.81 OV 0.96 ! PT 0.63 SC 1.24 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.45 KP 0.95 LA 0.72 ! MK 1.17 NL 1.98 OV 1.40 PT 0.63 ! SC 1.58 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.78 HN 3.00 KP 1.21 ! LA 0.81 MK 1.21 NL 1.83 OV 1.01 ! PT 0.65 SC 1.36 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.42 KP 0.95 LA 0.72 ! MK 1.08 NL 1.97 OV 1.43 PT 0.64 ! SC 1.51 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.73 HN 3.59 KP 1.25 ! LA 0.79 MK 1.14 NL 1.95 OV 1.00 ! PT 0.65 SC 1.12 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.44 KP 0.95 LA 0.72 ! MK 1.00 NL 1.75 OV 1.39 PT 0.64 ! SC 1.54 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.80 HN 3.07 KP 1.22 ! LA 0.79 MK 1.23 NL 1.77 OV 1.01 ! PT 0.66 SC 1.25 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.41 KP 0.97 LA 0.72 ! MK 1.13 NL 1.78 OV 1.41 PT 0.64 ! SC 1.35 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.74 HN 3.83 KP 1.22 ! LA 0.81 MK 1.15 NL 2.06 OV 1.01 ! PT 0.64 SC 1.30 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.44 KP 0.95 LA 0.72 ! MK 1.03 NL 1.80 OV 1.44 PT 0.64 ! SC 1.42 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.94 HN 2.96 KP 1.22 ! LA 0.80 MK 1.24 NL 1.95 OV 0.99 ! PT 0.66 SC 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.41 KP 0.96 LA 0.72 ! MK 1.07 NL 1.82 OV 1.43 PT 0.65 ! SC 1.38 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.72 HN 2.45 KP 1.23 ! LA 0.83 MK 1.26 NL 1.74 OV 1.02 ! PT 0.63 SC 1.22 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.44 KP 0.95 LA 0.72 ! MK 1.05 NL 1.76 OV 1.45 PT 0.65 ! SC 1.43 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.70 HN 3.36 KP 1.29 ! LA 0.82 MK 1.12 NL 1.84 OV 0.99 ! PT 0.64 SC 0.91 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.39 KP 0.96 LA 0.73 ! MK 1.02 NL 1.78 OV 1.41 PT 0.64 ! SC 1.34 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.71 HN 3.13 KP 1.27 ! LA 0.82 MK 0.97 NL 1.93 OV 1.01 ! PT 0.66 SC 0.96 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.39 KP 0.99 LA 0.73 ! MK 1.02 NL 1.84 OV 1.42 PT 0.63 ! SC 1.19 ! ! ! Fit before self-cal, rms=0.120851Jy sigma=1.474535 ! Fit after self-cal, rms=0.196622Jy sigma=1.121364 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9405 mas, bmaj=2.604 mas, bpa=-2.276 degrees ! Estimated noise=0.29791 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 (3.4, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0215241 Jy ! Component: 100 - total flux cleaned = 0.0310198 Jy ! Component: 150 - total flux cleaned = 0.0321936 Jy ! Component: 200 - total flux cleaned = 0.0333323 Jy ! Total flux subtracted in 200 components = 0.0333323 Jy ! Clean residual min=-0.012362 max=0.010501 Jy/beam ! Clean residual mean=-0.000017 rms=0.003189 Jy/beam ! Combined flux in latest and established models = 0.314171 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 101 components and 0.314171 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.194625Jy sigma=1.069941 ! Fit after self-cal, rms=0.196643Jy sigma=1.056934 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.196643Jy sigma=1.056934 ! Fit after self-cal, rms=0.187065Jy sigma=1.074445 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.936 mas, bmaj=2.578 mas, bpa=-1.541 degrees ! Estimated noise=0.295016 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117647 Jy ! Component: 100 - total flux cleaned = 0.0179714 Jy ! Component: 150 - total flux cleaned = 0.0221216 Jy ! Component: 200 - total flux cleaned = 0.024729 Jy ! Total flux subtracted in 200 components = 0.024729 Jy ! Clean residual min=-0.013658 max=0.010374 Jy/beam ! Clean residual mean=-0.000052 rms=0.003183 Jy/beam ! Combined flux in latest and established models = 0.3389 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 120 components and 0.3389 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.186439Jy sigma=1.056605 ! Fit after self-cal, rms=0.186028Jy sigma=1.052966 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 = 0.00323416 Jy ! Component: 100 - total flux cleaned = 0.00372152 Jy ! Component: 150 - total flux cleaned = 0.00383604 Jy ! Component: 200 - total flux cleaned = 0.00383888 Jy ! Total flux subtracted in 200 components = 0.00383888 Jy ! Clean residual min=-0.013759 max=0.010854 Jy/beam ! Clean residual mean=-0.000057 rms=0.003186 Jy/beam ! Combined flux in latest and established models = 0.342739 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 124 components and 0.342739 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.185834Jy sigma=1.050843 ! Fit after self-cal, rms=0.185685Jy sigma=1.050093 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.185685Jy sigma=1.050093 ! Fit after self-cal, rms=0.211953Jy sigma=0.882413 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9408 mas, bmaj=2.608 mas, bpa=-1.054 degrees ! Estimated noise=0.295884 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000114125 Jy ! Component: 100 - total flux cleaned = -0.000414418 Jy ! Component: 150 - total flux cleaned = -0.000496944 Jy ! Component: 200 - total flux cleaned = -0.000567917 Jy ! Total flux subtracted in 200 components = -0.000567917 Jy ! Clean residual min=-0.004922 max=0.008027 Jy/beam ! Clean residual mean=0.000001 rms=0.001367 Jy/beam ! Combined flux in latest and established models = 0.342171 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 137 components and 0.342171 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.211798Jy sigma=0.881716 ! Fit after self-cal, rms=0.211976Jy sigma=0.880191 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 (6, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00786963 Jy ! Component: 100 - total flux cleaned = 0.0100331 Jy ! Component: 150 - total flux cleaned = 0.0100404 Jy ! Component: 200 - total flux cleaned = 0.0100388 Jy ! Total flux subtracted in 200 components = 0.0100388 Jy ! Clean residual min=-0.005993 max=0.004921 Jy/beam ! Clean residual mean=-0.000010 rms=0.001249 Jy/beam ! Combined flux in latest and established models = 0.35221 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 165 components and 0.35221 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.211681Jy sigma=0.872263 ! Fit after self-cal, rms=0.211623Jy sigma=0.870121 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.211623Jy sigma=0.870121 ! Fit after self-cal, rms=0.209283Jy sigma=0.868421 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.873 mas, bmaj=9.209 mas, bpa=-1.686 degrees ! Estimated noise=0.315144 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00600913 Jy ! Component: 100 - total flux cleaned = 0.00697424 Jy ! Component: 150 - total flux cleaned = 0.00709239 Jy ! Component: 200 - total flux cleaned = 0.00708723 Jy ! Total flux subtracted in 200 components = 0.00708723 Jy ! Clean residual min=-0.005437 max=0.005922 Jy/beam ! Clean residual mean=-0.000004 rms=0.001573 Jy/beam ! Combined flux in latest and established models = 0.359297 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 183 components and 0.359297 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.209184Jy sigma=0.864863 ! Fit after self-cal, rms=0.209039Jy sigma=0.863567 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 = 0.0012647 Jy ! Component: 100 - total flux cleaned = 0.00161039 Jy ! Component: 150 - total flux cleaned = 0.00161265 Jy ! Component: 200 - total flux cleaned = 0.00144613 Jy ! Total flux subtracted in 200 components = 0.00144613 Jy ! Clean residual min=-0.005202 max=0.005842 Jy/beam ! Clean residual mean=-0.000007 rms=0.001487 Jy/beam ! Combined flux in latest and established models = 0.360743 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 191 components and 0.360743 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.208978Jy sigma=0.862545 ! Fit after self-cal, rms=0.208918Jy sigma=0.861999 ! 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=0.9404 mas, bmaj=2.608 mas, bpa=-1.194 degrees ! Estimated noise=0.294188 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9404 x 2.608 at -1.194 degrees (North through East) ! Clean map min=-0.0047045 max=0.103 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=0.6156 mas, bmaj=1.806 mas, bpa=-1.186 degrees ! Estimated noise=0.732321 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0721598 Jy ! Component: 100 - total flux cleaned = 0.108845 Jy ! Component: 150 - total flux cleaned = 0.136958 Jy ! Component: 200 - total flux cleaned = 0.160246 Jy ! Total flux subtracted in 200 components = 0.160246 Jy ! Clean residual min=-0.007636 max=0.016173 Jy/beam ! Clean residual mean=0.000024 rms=0.002619 Jy/beam ! Combined flux in latest and established models = 0.160246 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 36 model components to the UV plane model. ! The established model now contains 36 components and 0.160246 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9404 mas, bmaj=2.608 mas, bpa=-1.194 degrees ! Estimated noise=0.294188 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 = 0.0483486 Jy ! Component: 100 - total flux cleaned = 0.0821034 Jy ! Component: 150 - total flux cleaned = 0.107376 Jy ! Component: 200 - total flux cleaned = 0.126573 Jy ! Total flux subtracted in 200 components = 0.126573 Jy ! Clean residual min=-0.007634 max=0.012211 Jy/beam ! Clean residual mean=0.000049 rms=0.003166 Jy/beam ! Combined flux in latest and established models = 0.286819 Jy ! Adding 82 model components to the UV plane model. ! The established model now contains 98 components and 0.286819 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=2.873 mas, bmaj=9.209 mas, bpa=-1.686 degrees ! Estimated noise=0.315144 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0220866 Jy ! Component: 100 - total flux cleaned = 0.0368333 Jy ! Component: 150 - total flux cleaned = 0.0471958 Jy ! Component: 200 - total flux cleaned = 0.0546101 Jy ! Total flux subtracted in 200 components = 0.0546101 Jy ! Clean residual min=-0.006482 max=0.006256 Jy/beam ! Clean residual mean=0.000017 rms=0.001864 Jy/beam ! Combined flux in latest and established models = 0.341429 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 = 0.005367 Jy ! Component: 100 - total flux cleaned = 0.00927486 Jy ! Component: 150 - total flux cleaned = 0.0106299 Jy ! Component: 200 - total flux cleaned = 0.0114833 Jy ! Total flux subtracted in 200 components = 0.0114833 Jy ! Clean residual min=-0.005527 max=0.005811 Jy/beam ! Clean residual mean=0.000002 rms=0.001513 Jy/beam ! Combined flux in latest and established models = 0.352912 Jy ! Adding 99 model components to the UV plane model. ! The established model now contains 181 components and 0.352912 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9404 mas, bmaj=2.608 mas, bpa=-1.194 degrees ! Estimated noise=0.294188 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00270146 Jy ! Component: 100 - total flux cleaned = 0.00334208 Jy ! Component: 150 - total flux cleaned = 0.0038083 Jy ! Component: 200 - total flux cleaned = 0.00405764 Jy ! Total flux subtracted in 200 components = 0.00405764 Jy ! Clean residual min=-0.005208 max=0.004697 Jy/beam ! Clean residual mean=-0.000004 rms=0.001059 Jy/beam ! Combined flux in latest and established models = 0.35697 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 194 components and 0.35697 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.208824Jy sigma=0.862415 ! Fit after self-cal, rms=0.208464Jy sigma=0.859192 wmodel J2257-3627_X_map.mod ! Writing 194 model components to file: J2257-3627_X_map.mod wobs J2257-3627_X_uvs.fits ! Writing UV FITS file: J2257-3627_X_uvs.fits wwins J2257-3627_X_map.win ! wwins: Wrote 5 windows to J2257-3627_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 = 0.00113505 Jy ! Component: 100 - total flux cleaned = 0.000786463 Jy ! Component: 150 - total flux cleaned = 0.000453293 Jy ! Component: 200 - total flux cleaned = 0.000773204 Jy ! Component: 250 - total flux cleaned = 0.000773341 Jy ! Component: 300 - total flux cleaned = 0.000714858 Jy ! Component: 350 - total flux cleaned = 0.000656643 Jy ! Component: 400 - total flux cleaned = 0.000542575 Jy ! Component: 450 - total flux cleaned = 0.000433007 Jy ! Component: 500 - total flux cleaned = 0.000433244 Jy ! Component: 550 - total flux cleaned = 0.000328759 Jy ! Component: 600 - total flux cleaned = 0.000329001 Jy ! Component: 650 - total flux cleaned = 0.000127704 Jy ! Component: 700 - total flux cleaned = 0.000128123 Jy ! Component: 750 - total flux cleaned = 0.000224229 Jy ! Component: 800 - total flux cleaned = 0.000223335 Jy ! Component: 850 - total flux cleaned = 0.00036394 Jy ! Component: 900 - total flux cleaned = 0.000364414 Jy ! Component: 950 - total flux cleaned = 0.000546536 Jy ! Component: 1000 - total flux cleaned = 0.000725218 Jy ! Component: 1050 - total flux cleaned = 0.000944489 Jy ! Component: 1100 - total flux cleaned = 0.00107391 Jy ! Component: 1150 - total flux cleaned = 0.00115919 Jy ! Component: 1200 - total flux cleaned = 0.00120169 Jy ! Component: 1250 - total flux cleaned = 0.00132703 Jy ! Component: 1300 - total flux cleaned = 0.00149218 Jy ! Component: 1350 - total flux cleaned = 0.00161479 Jy ! Component: 1400 - total flux cleaned = 0.00185557 Jy ! Component: 1450 - total flux cleaned = 0.0020538 Jy ! Component: 1500 - total flux cleaned = 0.00213217 Jy ! Component: 1550 - total flux cleaned = 0.00232568 Jy ! Component: 1600 - total flux cleaned = 0.00247874 Jy ! Component: 1650 - total flux cleaned = 0.00255418 Jy ! Component: 1700 - total flux cleaned = 0.00266668 Jy ! Component: 1750 - total flux cleaned = 0.0028153 Jy ! Component: 1800 - total flux cleaned = 0.002925 Jy ! Component: 1850 - total flux cleaned = 0.00296089 Jy ! Component: 1900 - total flux cleaned = 0.00317658 Jy ! Component: 1950 - total flux cleaned = 0.00317694 Jy ! Component: 2000 - total flux cleaned = 0.00331829 Jy ! Component: 2050 - total flux cleaned = 0.00345837 Jy ! Component: 2100 - total flux cleaned = 0.00363168 Jy ! Component: 2150 - total flux cleaned = 0.00373403 Jy ! Component: 2200 - total flux cleaned = 0.00386995 Jy ! Component: 2250 - total flux cleaned = 0.00393726 Jy ! Component: 2300 - total flux cleaned = 0.00413778 Jy ! Component: 2350 - total flux cleaned = 0.00430288 Jy ! Component: 2400 - total flux cleaned = 0.00433607 Jy ! Component: 2450 - total flux cleaned = 0.00449884 Jy ! Component: 2500 - total flux cleaned = 0.00469252 Jy ! Component: 2550 - total flux cleaned = 0.00485247 Jy ! Component: 2600 - total flux cleaned = 0.00497914 Jy ! Component: 2650 - total flux cleaned = 0.00513627 Jy ! Component: 2700 - total flux cleaned = 0.00516748 Jy ! Component: 2750 - total flux cleaned = 0.00541493 Jy ! Component: 2800 - total flux cleaned = 0.00559913 Jy ! Component: 2850 - total flux cleaned = 0.00572113 Jy ! Component: 2900 - total flux cleaned = 0.00590272 Jy ! Component: 2950 - total flux cleaned = 0.00623232 Jy ! Component: 3000 - total flux cleaned = 0.0063213 Jy ! Component: 3050 - total flux cleaned = 0.0065283 Jy ! Component: 3100 - total flux cleaned = 0.00676298 Jy ! Component: 3150 - total flux cleaned = 0.00687959 Jy ! Component: 3200 - total flux cleaned = 0.0070533 Jy ! Component: 3250 - total flux cleaned = 0.00725394 Jy ! Component: 3300 - total flux cleaned = 0.00736784 Jy ! Component: 3350 - total flux cleaned = 0.00750935 Jy ! Component: 3400 - total flux cleaned = 0.00770634 Jy ! Component: 3450 - total flux cleaned = 0.00790199 Jy ! Component: 3500 - total flux cleaned = 0.00798513 Jy ! Component: 3550 - total flux cleaned = 0.00815056 Jy ! Component: 3600 - total flux cleaned = 0.00825971 Jy ! Component: 3650 - total flux cleaned = 0.00839563 Jy ! Component: 3700 - total flux cleaned = 0.00853082 Jy ! Component: 3750 - total flux cleaned = 0.00861152 Jy ! Component: 3800 - total flux cleaned = 0.00887802 Jy ! Component: 3850 - total flux cleaned = 0.0089572 Jy ! Component: 3900 - total flux cleaned = 0.00911535 Jy ! Component: 3950 - total flux cleaned = 0.00937689 Jy ! Component: 4000 - total flux cleaned = 0.00948065 Jy ! Component: 4050 - total flux cleaned = 0.00966153 Jy ! Total flux subtracted in 4096 components = 0.00976437 Jy ! Clean residual min=-0.001282 max=0.001283 Jy/beam ! Clean residual mean=-0.000009 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.366734 Jy keep ! Adding 329 model components to the UV plane model. ! The established model now contains 523 components and 0.366734 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2257-3627_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9404 x 2.608 at -1.194 degrees (North through East) ! Clean map min=-0.0037064 max=0.10851 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2257-3627_X_map.fits wmodel /vlbi/bp222/maps//J2257-3627_X_map.mod ! Writing 523 model components to file: /vlbi/bp222/maps//J2257-3627_X_map.mod wobs /vlbi/bp222/maps//J2257-3627_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2257-3627_X_uvs.fits wwins /vlbi/bp222/maps//J2257-3627_X_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J2257-3627_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.108507 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000493543 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.36454 1.36454 2.72908 5.45816 10.9163 21.8327 43.6653 87.3306 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.108 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 219.854 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2257-3627_X_dfm.log closed on Thu Sep 27 11:43:42 2018