! Started logfile: /vlbi/uf001/uva//J1921+4333_X_dfm.log on Mon Jan 14 05:01:53 2019 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/uf001/uva//J1921+4333_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1921+4333_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.924383 visibilities/baseline/integration-bin. ! Found source: J1921+4333 ! ! 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 35940 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 J1921+4333_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 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007162Jy sigma=22.908936 ! Fit after self-cal, rms=0.926060Jy sigma=21.157814 ! 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=0.7557 mas, bmaj=1.151 mas, bpa=-9.606 degrees ! Estimated noise=0.35008 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 = 0.0484888 Jy ! Component: 100 - total flux cleaned = 0.0679953 Jy ! Total flux subtracted in 100 components = 0.0679953 Jy ! Clean residual min=-0.007037 max=0.018921 Jy/beam ! Clean residual mean=0.000006 rms=0.001845 Jy/beam ! Combined flux in latest and established models = 0.0679953 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0679953 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=0.101898Jy sigma=1.804716 ! Fit after self-cal, rms=0.100786Jy sigma=1.774381 ! Inverting map ! Added new window around map position (-3.4, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0199423 Jy ! Component: 100 - total flux cleaned = 0.0327563 Jy ! Total flux subtracted in 100 components = 0.0327563 Jy ! Clean residual min=-0.006173 max=0.018060 Jy/beam ! Clean residual mean=0.000005 rms=0.001524 Jy/beam ! Combined flux in latest and established models = 0.100752 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 16 components and 0.100752 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=0.092963Jy sigma=1.588382 ! Fit after self-cal, rms=0.091445Jy sigma=1.558708 ! Inverting map ! Added new window around map position (-2, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191129 Jy ! Component: 100 - total flux cleaned = 0.029553 Jy ! Total flux subtracted in 100 components = 0.029553 Jy ! Clean residual min=-0.004612 max=0.010721 Jy/beam ! Clean residual mean=0.000004 rms=0.001118 Jy/beam ! Combined flux in latest and established models = 0.130305 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 27 components and 0.130305 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=0.084123Jy sigma=1.393864 ! Fit after self-cal, rms=0.083058Jy sigma=1.370640 ! Inverting map ! Added new window around map position (1, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0126705 Jy ! Component: 100 - total flux cleaned = 0.0208175 Jy ! Total flux subtracted in 100 components = 0.0208175 Jy ! Clean residual min=-0.003657 max=0.004802 Jy/beam ! Clean residual mean=0.000004 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 0.151122 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 33 components and 0.151122 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=0.079459Jy sigma=1.294224 ! Fit after self-cal, rms=0.079158Jy sigma=1.288863 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00756329 Jy ! Component: 100 - total flux cleaned = 0.0126011 Jy ! Total flux subtracted in 100 components = 0.0126011 Jy ! Clean residual min=-0.003154 max=0.003788 Jy/beam ! Clean residual mean=0.000003 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 0.163723 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.163723 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=0.077550Jy sigma=1.261554 ! Fit after self-cal, rms=0.077430Jy sigma=1.259465 ! 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=1.008 mas, bmaj=1.439 mas, bpa=-8.89 degrees ! Estimated noise=0.168556 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 = 0.0065415 Jy ! Component: 100 - total flux cleaned = 0.0105964 Jy ! Component: 150 - total flux cleaned = 0.0136006 Jy ! Component: 200 - total flux cleaned = 0.0159663 Jy ! Total flux subtracted in 200 components = 0.0159663 Jy ! Clean residual min=-0.003481 max=0.004396 Jy/beam ! Clean residual mean=0.000011 rms=0.001060 Jy/beam ! Combined flux in latest and established models = 0.179689 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 58 components and 0.179689 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=0.076070Jy sigma=1.246914 ! Fit after self-cal, rms=0.075988Jy sigma=1.245411 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.008 x 1.439 at -8.89 degrees (North through East) ! Clean map min=-0.0034657 max=0.061228 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 1.03 ! LA 0.95 MK 1.15 NL 1.10 OV 1.06 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.93 KP 0.98 ! LA 0.98 MK 1.10 NL 1.12 OV 1.08 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.95 KP 0.99 ! LA 0.96 MK 1.14 NL 1.10 OV 1.05 ! PT 0.91 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.94 KP 1.02 ! LA 0.98 MK 1.06 NL 1.11 OV 1.04 ! PT 0.92 SC 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.95 KP 1.01 ! LA 0.98 MK 1.05 NL 1.15 OV 1.04 ! PT 0.93 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 0.94 KP 1.01 ! LA 0.99 MK 1.08 NL 1.09 OV 1.06 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.99 KP 1.04 ! LA 0.97 MK 1.10 NL 1.12 OV 1.03 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 0.93 KP 1.01 ! LA 0.96 MK 0.99 NL 1.18 OV 1.05 ! PT 0.91 SC 1.04 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.91 KP 1.01 ! LA 0.98 MK 1.10 NL 1.14 OV 1.06 ! PT 0.93 SC 1.04 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.89 KP 1.05 ! LA 0.97 MK 1.06 NL 1.16 OV 1.04 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.93 KP 1.04 ! LA 0.99 MK 1.05 NL 1.16 OV 1.04 ! PT 0.93 SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.91 KP 1.02 ! LA 0.97 MK 0.97 NL 1.13 OV 1.06 ! PT 0.96 SC 1.06 ! ! ! Fit before self-cal, rms=0.075988Jy sigma=1.245411 ! Fit after self-cal, rms=0.076514Jy sigma=1.231351 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.016 mas, bmaj=1.443 mas, bpa=-8.404 degrees ! Estimated noise=0.173784 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 = 0.00273037 Jy ! Component: 100 - total flux cleaned = 0.00340164 Jy ! Component: 150 - total flux cleaned = 0.00394447 Jy ! Component: 200 - total flux cleaned = 0.0044114 Jy ! Total flux subtracted in 200 components = 0.0044114 Jy ! Clean residual min=-0.003260 max=0.003757 Jy/beam ! Clean residual mean=0.000007 rms=0.000983 Jy/beam ! Combined flux in latest and established models = 0.184101 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 65 components and 0.184101 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=0.076218Jy sigma=1.229067 ! Fit after self-cal, rms=0.076194Jy sigma=1.228436 ! 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=0.076194Jy sigma=1.228436 ! Fit after self-cal, rms=0.056275Jy sigma=1.177921 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.023 mas, bmaj=1.457 mas, bpa=-8.014 degrees ! Estimated noise=0.170776 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000184326 Jy ! Component: 100 - total flux cleaned = -0.000123223 Jy ! Component: 150 - total flux cleaned = -7.71567e-05 Jy ! Component: 200 - total flux cleaned = -3.65348e-05 Jy ! Total flux subtracted in 200 components = -3.65348e-05 Jy ! Clean residual min=-0.001278 max=0.001168 Jy/beam ! Clean residual mean=0.000004 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.184064 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 74 components and 0.184064 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=0.056173Jy sigma=1.175738 ! Fit after self-cal, rms=0.056123Jy sigma=1.174563 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 (-6.2, 5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000294264 Jy ! Component: 100 - total flux cleaned = 0.000386103 Jy ! Component: 150 - total flux cleaned = 0.000312471 Jy ! Component: 200 - total flux cleaned = 0.000247083 Jy ! Total flux subtracted in 200 components = 0.000247083 Jy ! Clean residual min=-0.001037 max=0.001086 Jy/beam ! Clean residual mean=0.000004 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.184311 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 81 components and 0.184311 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=0.056064Jy sigma=1.173319 ! Fit after self-cal, rms=0.056060Jy sigma=1.173211 ! Inverting map ! Added new window around map position (-4.6, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000360892 Jy ! Component: 100 - total flux cleaned = 0.000434438 Jy ! Component: 150 - total flux cleaned = 0.00040637 Jy ! Component: 200 - total flux cleaned = 0.000351583 Jy ! Total flux subtracted in 200 components = 0.000351583 Jy ! Clean residual min=-0.000950 max=0.001007 Jy/beam ! Clean residual mean=0.000004 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.184663 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 90 components and 0.184663 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=0.056024Jy sigma=1.172419 ! Fit after self-cal, rms=0.056020Jy sigma=1.172362 ! Inverting map ! Added new window around map position (2.2, -4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000675584 Jy ! Component: 100 - total flux cleaned = 0.000824451 Jy ! Component: 150 - total flux cleaned = 0.000798548 Jy ! Component: 200 - total flux cleaned = 0.000749171 Jy ! Total flux subtracted in 200 components = 0.000749171 Jy ! Clean residual min=-0.000939 max=0.000953 Jy/beam ! Clean residual mean=0.000004 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.185412 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 103 components and 0.185412 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=0.055990Jy sigma=1.171730 ! Fit after self-cal, rms=0.055989Jy sigma=1.171696 ! 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=0.055989Jy sigma=1.171696 ! Fit after self-cal, rms=0.055403Jy sigma=1.171448 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.015 mas, bmaj=1.455 mas, bpa=-8.111 degrees ! Estimated noise=0.169316 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.39547e-05 Jy ! Component: 100 - total flux cleaned = -6.80724e-05 Jy ! Component: 150 - total flux cleaned = -6.7032e-05 Jy ! Component: 200 - total flux cleaned = -0.000108973 Jy ! Total flux subtracted in 200 components = -0.000108973 Jy ! Clean residual min=-0.000875 max=0.000868 Jy/beam ! Clean residual mean=0.000004 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.185303 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 115 components and 0.185303 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=0.055382Jy sigma=1.170999 ! Fit after self-cal, rms=0.055379Jy sigma=1.170963 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 = 0.000115665 Jy ! Component: 100 - total flux cleaned = 7.62026e-05 Jy ! Component: 150 - total flux cleaned = 1.97094e-05 Jy ! Component: 200 - total flux cleaned = -3.38166e-05 Jy ! Total flux subtracted in 200 components = -3.38166e-05 Jy ! Clean residual min=-0.000863 max=0.000830 Jy/beam ! Clean residual mean=0.000004 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.185269 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 121 components and 0.185269 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=0.055366Jy sigma=1.170688 ! Fit after self-cal, rms=0.055365Jy sigma=1.170672 ! 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=0.055365Jy sigma=1.170672 ! Fit after self-cal, rms=0.055078Jy sigma=1.170626 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.278 mas, bmaj=2.51 mas, bpa=-8.473 degrees ! Estimated noise=0.212465 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000154564 Jy ! Component: 100 - total flux cleaned = -0.00020652 Jy ! Component: 150 - total flux cleaned = -0.000250427 Jy ! Component: 200 - total flux cleaned = -0.000298107 Jy ! Total flux subtracted in 200 components = -0.000298107 Jy ! Clean residual min=-0.000758 max=0.000836 Jy/beam ! Clean residual mean=0.000009 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.184971 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 139 components and 0.184971 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=0.055074Jy sigma=1.170532 ! Fit after self-cal, rms=0.055072Jy sigma=1.170526 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 = 1.75831e-05 Jy ! Component: 100 - total flux cleaned = 1.68678e-05 Jy ! Component: 150 - total flux cleaned = 1.66111e-05 Jy ! Component: 200 - total flux cleaned = 8.93062e-06 Jy ! Total flux subtracted in 200 components = 8.93062e-06 Jy ! Clean residual min=-0.000735 max=0.000813 Jy/beam ! Clean residual mean=0.000009 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.18498 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 152 components and 0.18498 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=0.055071Jy sigma=1.170492 ! Fit after self-cal, rms=0.055070Jy sigma=1.170490 ! 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=1.011 mas, bmaj=1.454 mas, bpa=-8.076 degrees ! Estimated noise=0.168551 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.011 x 1.454 at -8.076 degrees (North through East) ! Clean map min=-0.00094576 max=0.058904 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=0.7595 mas, bmaj=1.16 mas, bpa=-8.447 degrees ! Estimated noise=0.35119 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0509825 Jy ! Component: 100 - total flux cleaned = 0.0830686 Jy ! Component: 150 - total flux cleaned = 0.105897 Jy ! Component: 200 - total flux cleaned = 0.122629 Jy ! Total flux subtracted in 200 components = 0.122629 Jy ! Clean residual min=-0.003905 max=0.009597 Jy/beam ! Clean residual mean=0.000002 rms=0.001015 Jy/beam ! Combined flux in latest and established models = 0.122629 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.122629 Jy ! Inverting map and beam ! Estimated beam: bmin=1.011 mas, bmaj=1.454 mas, bpa=-8.076 degrees ! Estimated noise=0.168551 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 = 0.0193302 Jy ! Component: 100 - total flux cleaned = 0.0316138 Jy ! Component: 150 - total flux cleaned = 0.0397828 Jy ! Component: 200 - total flux cleaned = 0.0453628 Jy ! Total flux subtracted in 200 components = 0.0453628 Jy ! Clean residual min=-0.001494 max=0.003078 Jy/beam ! Clean residual mean=0.000005 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.167992 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 38 components and 0.167992 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00392533 Jy ! Component: 100 - total flux cleaned = 0.00674388 Jy ! Component: 150 - total flux cleaned = 0.00879679 Jy ! Component: 200 - total flux cleaned = 0.0103545 Jy ! Total flux subtracted in 200 components = 0.0103545 Jy ! Clean residual min=-0.001029 max=0.001090 Jy/beam ! Clean residual mean=0.000004 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.178346 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 72 components and 0.178346 Jy ! Inverting map ! Added new window around map position (-8, 10.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011576 Jy ! Component: 100 - total flux cleaned = 0.00203428 Jy ! Component: 150 - total flux cleaned = 0.00283981 Jy ! Component: 200 - total flux cleaned = 0.00355226 Jy ! Total flux subtracted in 200 components = 0.00355226 Jy ! Clean residual min=-0.000897 max=0.000876 Jy/beam ! Clean residual mean=0.000003 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.181899 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 96 components and 0.181899 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=2.278 mas, bmaj=2.51 mas, bpa=-8.473 degrees ! Estimated noise=0.212465 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110658 Jy ! Component: 100 - total flux cleaned = 0.00154859 Jy ! Component: 150 - total flux cleaned = 0.00176277 Jy ! Component: 200 - total flux cleaned = 0.0020124 Jy ! Total flux subtracted in 200 components = 0.0020124 Jy ! Clean residual min=-0.000820 max=0.000755 Jy/beam ! Clean residual mean=0.000008 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.183911 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 = 0.000219211 Jy ! Component: 100 - total flux cleaned = 0.000378396 Jy ! Component: 150 - total flux cleaned = 0.000489712 Jy ! Component: 200 - total flux cleaned = 0.000605907 Jy ! Total flux subtracted in 200 components = 0.000605907 Jy ! Clean residual min=-0.000777 max=0.000725 Jy/beam ! Clean residual mean=0.000008 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.184517 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 143 components and 0.184517 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.011 mas, bmaj=1.454 mas, bpa=-8.076 degrees ! Estimated noise=0.168551 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000317293 Jy ! Component: 100 - total flux cleaned = 0.000435641 Jy ! Component: 150 - total flux cleaned = 0.000472212 Jy ! Component: 200 - total flux cleaned = 0.000488673 Jy ! Total flux subtracted in 200 components = 0.000488673 Jy ! Clean residual min=-0.000744 max=0.000761 Jy/beam ! Clean residual mean=0.000003 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.185005 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 166 components and 0.185005 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=0.055047Jy sigma=1.170044 ! Fit after self-cal, rms=0.055030Jy sigma=1.169748 wmodel J1921+4333_X_map.mod ! Writing 166 model components to file: J1921+4333_X_map.mod wobs J1921+4333_X_uvs.fits ! Writing UV FITS file: J1921+4333_X_uvs.fits wwins J1921+4333_X_map.win ! wwins: Wrote 8 windows to J1921+4333_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 = 0.00010089 Jy ! Component: 100 - total flux cleaned = 0.000246884 Jy ! Component: 150 - total flux cleaned = 0.000414708 Jy ! Component: 200 - total flux cleaned = 0.000590539 Jy ! Component: 250 - total flux cleaned = 0.000725423 Jy ! Component: 300 - total flux cleaned = 0.000893754 Jy ! Component: 350 - total flux cleaned = 0.00101145 Jy ! Component: 400 - total flux cleaned = 0.00110396 Jy ! Component: 450 - total flux cleaned = 0.00120635 Jy ! Component: 500 - total flux cleaned = 0.00126235 Jy ! Component: 550 - total flux cleaned = 0.00135058 Jy ! Component: 600 - total flux cleaned = 0.0013941 Jy ! Component: 650 - total flux cleaned = 0.00143739 Jy ! Component: 700 - total flux cleaned = 0.00153314 Jy ! Component: 750 - total flux cleaned = 0.00161709 Jy ! Component: 800 - total flux cleaned = 0.0016999 Jy ! Component: 850 - total flux cleaned = 0.00178189 Jy ! Component: 900 - total flux cleaned = 0.00187322 Jy ! Component: 950 - total flux cleaned = 0.00195356 Jy ! Component: 1000 - total flux cleaned = 0.00204329 Jy ! Component: 1050 - total flux cleaned = 0.00215174 Jy ! Component: 1100 - total flux cleaned = 0.00224938 Jy ! Component: 1150 - total flux cleaned = 0.00232675 Jy ! Component: 1200 - total flux cleaned = 0.00240347 Jy ! Component: 1250 - total flux cleaned = 0.0024605 Jy ! Component: 1300 - total flux cleaned = 0.00251707 Jy ! Component: 1350 - total flux cleaned = 0.00256385 Jy ! Component: 1400 - total flux cleaned = 0.0025918 Jy ! Component: 1450 - total flux cleaned = 0.00269312 Jy ! Component: 1500 - total flux cleaned = 0.00271138 Jy ! Component: 1550 - total flux cleaned = 0.00278388 Jy ! Component: 1600 - total flux cleaned = 0.00279296 Jy ! Component: 1650 - total flux cleaned = 0.00287344 Jy ! Component: 1700 - total flux cleaned = 0.00290004 Jy ! Component: 1750 - total flux cleaned = 0.00297935 Jy ! Component: 1800 - total flux cleaned = 0.0030056 Jy ! Component: 1850 - total flux cleaned = 0.00310127 Jy ! Component: 1900 - total flux cleaned = 0.0031099 Jy ! Component: 1950 - total flux cleaned = 0.00316133 Jy ! Component: 2000 - total flux cleaned = 0.00319552 Jy ! Component: 2050 - total flux cleaned = 0.00323792 Jy ! Component: 2100 - total flux cleaned = 0.00331367 Jy ! Component: 2150 - total flux cleaned = 0.00333881 Jy ! Component: 2200 - total flux cleaned = 0.00338866 Jy ! Component: 2250 - total flux cleaned = 0.00347131 Jy ! Component: 2300 - total flux cleaned = 0.00347128 Jy ! Component: 2350 - total flux cleaned = 0.00356927 Jy ! Component: 2400 - total flux cleaned = 0.00356115 Jy ! Component: 2450 - total flux cleaned = 0.0036338 Jy ! Component: 2500 - total flux cleaned = 0.00368185 Jy ! Component: 2550 - total flux cleaned = 0.00369783 Jy ! Component: 2600 - total flux cleaned = 0.00376919 Jy ! Component: 2650 - total flux cleaned = 0.00380862 Jy ! Component: 2700 - total flux cleaned = 0.00386347 Jy ! Component: 2750 - total flux cleaned = 0.00393362 Jy ! Component: 2800 - total flux cleaned = 0.00394137 Jy ! Component: 2850 - total flux cleaned = 0.00399535 Jy ! Component: 2900 - total flux cleaned = 0.00404129 Jy ! Component: 2950 - total flux cleaned = 0.00409467 Jy ! Component: 3000 - total flux cleaned = 0.0041402 Jy ! Component: 3050 - total flux cleaned = 0.00420803 Jy ! Component: 3100 - total flux cleaned = 0.00425301 Jy ! Component: 3150 - total flux cleaned = 0.00429779 Jy ! Component: 3200 - total flux cleaned = 0.00435716 Jy ! Component: 3250 - total flux cleaned = 0.00441618 Jy ! Component: 3300 - total flux cleaned = 0.00445287 Jy ! Component: 3350 - total flux cleaned = 0.00450399 Jy ! Component: 3400 - total flux cleaned = 0.00454037 Jy ! Component: 3450 - total flux cleaned = 0.00459821 Jy ! Component: 3500 - total flux cleaned = 0.00463422 Jy ! Component: 3550 - total flux cleaned = 0.00467716 Jy ! Component: 3600 - total flux cleaned = 0.0047485 Jy ! Component: 3650 - total flux cleaned = 0.00477677 Jy ! Component: 3700 - total flux cleaned = 0.00481209 Jy ! Component: 3750 - total flux cleaned = 0.00486125 Jy ! Component: 3800 - total flux cleaned = 0.00490319 Jy ! Component: 3850 - total flux cleaned = 0.00495188 Jy ! Component: 3900 - total flux cleaned = 0.00500031 Jy ! Component: 3950 - total flux cleaned = 0.0050417 Jy ! Component: 4000 - total flux cleaned = 0.00506913 Jy ! Component: 4050 - total flux cleaned = 0.00513746 Jy ! Total flux subtracted in 4096 components = 0.00515787 Jy ! Clean residual min=-0.000374 max=0.000451 Jy/beam ! Clean residual mean=0.000001 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.190163 Jy keep ! Adding 313 model components to the UV plane model. ! The established model now contains 479 components and 0.190163 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1921+4333_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.011 x 1.454 at -8.076 degrees (North through East) ! Clean map min=-0.00069852 max=0.058186 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1921+4333_X_map.fits wmodel /vlbi/uf001/uva//J1921+4333_X_map.mod ! Writing 479 model components to file: /vlbi/uf001/uva//J1921+4333_X_map.mod wobs /vlbi/uf001/uva//J1921+4333_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1921+4333_X_uvs.fits wwins /vlbi/uf001/uva//J1921+4333_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1921+4333_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0581863 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000116267 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.599456 0.599456 1.19891 2.39782 4.79565 9.59129 19.1826 38.3652 76.7304 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.058 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 500.453 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1921+4333_X_dfm.log closed on Mon Jan 14 05:02:00 2019