! Started logfile: /image_prod/ug002_uva//J2257+0743_X_a_dfm.log on Thu Mar 5 06:00:13 2020 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 /image_prod/ug002_uva//J2257+0743_X_a_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2257+0743_X_a_uva.fits ! AN table 1: 12 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.787037 visibilities/baseline/integration-bin. ! Found source: J2257+0743 ! ! 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 121 lines of history. ! ! Reading 4080 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+0743_X_a] 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 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.059893Jy sigma=9.513735 ! Fit after self-cal, rms=0.744686Jy sigma=6.617279 ! 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=1.007 mas, bmaj=3.085 mas, bpa=-15.61 degrees ! Estimated noise=1.76819 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 = 0.192243 Jy ! Component: 100 - total flux cleaned = 0.270876 Jy ! Total flux subtracted in 100 components = 0.270876 Jy ! Clean residual min=-0.019611 max=0.043558 Jy/beam ! Clean residual mean=-0.000014 rms=0.006155 Jy/beam ! Combined flux in latest and established models = 0.270876 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.270876 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=0.120286Jy sigma=1.030243 ! Fit after self-cal, rms=0.119658Jy sigma=1.024315 ! Inverting map ! Added new window around map position (-1.4, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0500566 Jy ! Component: 100 - total flux cleaned = 0.0815107 Jy ! Total flux subtracted in 100 components = 0.0815107 Jy ! Clean residual min=-0.013786 max=0.023317 Jy/beam ! Clean residual mean=-0.000009 rms=0.003714 Jy/beam ! Combined flux in latest and established models = 0.352387 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 22 components and 0.352387 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=0.086774Jy sigma=0.720033 ! Fit after self-cal, rms=0.085872Jy sigma=0.710122 ! 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=1.267 mas, bmaj=3.228 mas, bpa=-14.78 degrees ! Estimated noise=1.27446 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 = 0.0312849 Jy ! Component: 100 - total flux cleaned = 0.0487286 Jy ! Component: 150 - total flux cleaned = 0.059204 Jy ! Component: 200 - total flux cleaned = 0.0662148 Jy ! Total flux subtracted in 200 components = 0.0662148 Jy ! Clean residual min=-0.011391 max=0.012589 Jy/beam ! Clean residual mean=-0.000008 rms=0.002679 Jy/beam ! Combined flux in latest and established models = 0.418602 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 44 components and 0.418602 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=0.073273Jy sigma=0.594332 ! Fit after self-cal, rms=0.072734Jy sigma=0.588209 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.267 x 3.228 at -14.78 degrees (North through East) ! Clean map min=-0.01101 max=0.24295 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.12 KP 1.06 ! LA 1.02 MK 0.90 NL 1.08 OV 0.92 ! PT 0.89 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.17 KP 1.06 ! LA 1.01 MK 0.85 NL 1.12 OV 0.94 ! PT 0.88 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.04 HN 1.07 KP 1.06 ! LA 1.01 MK 0.87 NL 1.10 OV 0.94 ! PT 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HN 1.06 KP 1.05 ! LA 1.02 MK 0.91 NL 1.09 OV 0.93 ! PT 0.90 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.16 KP 1.04 ! LA 1.00 MK 0.92 NL 1.06 OV 0.93 ! PT 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.02 KP 1.05 ! LA 1.01 MK 0.89 NL 1.13 OV 0.92 ! PT 0.90 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 1.15 KP 1.06 ! LA 1.01 MK 0.88 NL 1.12 OV 0.94 ! PT 0.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.01 HN 1.16 KP 1.07 ! LA 1.00 MK 0.90 NL 1.08 OV 0.96 ! PT 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.10 KP 1.07 ! LA 1.00 MK 0.92 NL 1.09 OV 0.93 ! PT 0.90 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.08 KP 1.06 ! LA 1.00 MK 0.83 NL 1.12 OV 0.94 ! PT 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 1.18 KP 1.07 ! LA 0.99 MK 0.92 NL 1.09 OV 0.92 ! PT 0.89 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.13 KP 1.09 ! LA 1.00 MK 0.84 NL 1.16 OV 0.92 ! PT 0.91 ! ! ! Fit before self-cal, rms=0.072734Jy sigma=0.588209 ! Fit after self-cal, rms=0.069059Jy sigma=0.532287 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.256 mas, bmaj=3.21 mas, bpa=-14.92 degrees ! Estimated noise=1.27213 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 (-3.2, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0046474 Jy ! Component: 100 - total flux cleaned = 0.00522881 Jy ! Component: 150 - total flux cleaned = 0.00535925 Jy ! Component: 200 - total flux cleaned = 0.00511272 Jy ! Total flux subtracted in 200 components = 0.00511272 Jy ! Clean residual min=-0.005313 max=0.004623 Jy/beam ! Clean residual mean=-0.000001 rms=0.001092 Jy/beam ! Combined flux in latest and established models = 0.423715 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 59 components and 0.423715 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=0.067737Jy sigma=0.520543 ! Fit after self-cal, rms=0.067631Jy sigma=0.518909 ! 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=0.067631Jy sigma=0.518909 ! Fit after self-cal, rms=0.070102Jy sigma=0.512753 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.271 mas, bmaj=3.203 mas, bpa=-15.17 degrees ! Estimated noise=1.27616 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000524469 Jy ! Component: 100 - total flux cleaned = 0.000537966 Jy ! Component: 150 - total flux cleaned = 0.00110818 Jy ! Component: 200 - total flux cleaned = 0.00132822 Jy ! Total flux subtracted in 200 components = 0.00132822 Jy ! Clean residual min=-0.004050 max=0.003587 Jy/beam ! Clean residual mean=-0.000001 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.425043 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 79 components and 0.425043 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=0.069783Jy sigma=0.510255 ! Fit after self-cal, rms=0.069753Jy sigma=0.509793 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 = -0.000105194 Jy ! Component: 100 - total flux cleaned = 0.000342443 Jy ! Component: 150 - total flux cleaned = 0.000603126 Jy ! Component: 200 - total flux cleaned = 0.000661427 Jy ! Total flux subtracted in 200 components = 0.000661427 Jy ! Clean residual min=-0.003711 max=0.003536 Jy/beam ! Clean residual mean=-0.000001 rms=0.000843 Jy/beam ! Combined flux in latest and established models = 0.425704 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 88 components and 0.425704 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=0.069579Jy sigma=0.508498 ! Fit after self-cal, rms=0.069542Jy sigma=0.508234 ! 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=0.069542Jy sigma=0.508234 ! Fit after self-cal, rms=0.070028Jy sigma=0.508072 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.275 mas, bmaj=3.199 mas, bpa=-15.15 degrees ! Estimated noise=1.27845 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000950027 Jy ! Component: 100 - total flux cleaned = -0.000648204 Jy ! Component: 150 - total flux cleaned = -0.000376761 Jy ! Component: 200 - total flux cleaned = -0.000326741 Jy ! Total flux subtracted in 200 components = -0.000326741 Jy ! Clean residual min=-0.003373 max=0.003494 Jy/beam ! Clean residual mean=-0.000001 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 0.425377 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 98 components and 0.425377 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=0.069891Jy sigma=0.507060 ! Fit after self-cal, rms=0.069861Jy sigma=0.506848 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 (-18.2, -19.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318766 Jy ! Component: 100 - total flux cleaned = 0.00422717 Jy ! Component: 150 - total flux cleaned = 0.00454918 Jy ! Component: 200 - total flux cleaned = 0.00471413 Jy ! Total flux subtracted in 200 components = 0.00471413 Jy ! Clean residual min=-0.003043 max=0.003049 Jy/beam ! Clean residual mean=-0.000001 rms=0.000733 Jy/beam ! Combined flux in latest and established models = 0.430092 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 112 components and 0.430092 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=0.069624Jy sigma=0.505116 ! Fit after self-cal, rms=0.069605Jy sigma=0.504994 ! 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=0.069605Jy sigma=0.504994 ! Fit after self-cal, rms=0.069720Jy sigma=0.504900 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.358 mas, bmaj=3.383 mas, bpa=-10.97 degrees ! Estimated noise=1.41515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000684676 Jy ! Component: 100 - total flux cleaned = -0.000604197 Jy ! Component: 150 - total flux cleaned = -0.000670045 Jy ! Component: 200 - total flux cleaned = -0.000788846 Jy ! Total flux subtracted in 200 components = -0.000788846 Jy ! Clean residual min=-0.002698 max=0.002452 Jy/beam ! Clean residual mean=-0.000000 rms=0.000649 Jy/beam ! Combined flux in latest and established models = 0.429303 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 130 components and 0.429303 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=0.069672Jy sigma=0.504462 ! Fit after self-cal, rms=0.069658Jy sigma=0.504359 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 = -0.000192352 Jy ! Component: 100 - total flux cleaned = 5.66548e-05 Jy ! Component: 150 - total flux cleaned = 3.07298e-05 Jy ! Component: 200 - total flux cleaned = -4.32418e-05 Jy ! Total flux subtracted in 200 components = -4.32418e-05 Jy ! Clean residual min=-0.002702 max=0.002480 Jy/beam ! Clean residual mean=-0.000000 rms=0.000639 Jy/beam ! Combined flux in latest and established models = 0.429259 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 145 components and 0.429259 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=0.069623Jy sigma=0.504130 ! Fit after self-cal, rms=0.069608Jy sigma=0.504043 ! 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=1.278 mas, bmaj=3.197 mas, bpa=-15.12 degrees ! Estimated noise=1.27887 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.278 x 3.197 at -15.12 degrees (North through East) ! Clean map min=-0.0026728 max=0.2415 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=1.011 mas, bmaj=3.055 mas, bpa=-16.04 degrees ! Estimated noise=1.7838 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.195332 Jy ! Component: 100 - total flux cleaned = 0.277602 Jy ! Component: 150 - total flux cleaned = 0.322652 Jy ! Component: 200 - total flux cleaned = 0.350296 Jy ! Total flux subtracted in 200 components = 0.350296 Jy ! Clean residual min=-0.008157 max=0.014656 Jy/beam ! Clean residual mean=-0.000006 rms=0.002416 Jy/beam ! Combined flux in latest and established models = 0.350296 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.350296 Jy ! Inverting map and beam ! Estimated beam: bmin=1.278 mas, bmaj=3.197 mas, bpa=-15.12 degrees ! Estimated noise=1.27887 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 = 0.0248926 Jy ! Component: 100 - total flux cleaned = 0.039411 Jy ! Component: 150 - total flux cleaned = 0.0485654 Jy ! Component: 200 - total flux cleaned = 0.0549571 Jy ! Total flux subtracted in 200 components = 0.0549571 Jy ! Clean residual min=-0.003938 max=0.004417 Jy/beam ! Clean residual mean=-0.000003 rms=0.001000 Jy/beam ! Combined flux in latest and established models = 0.405253 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 54 components and 0.405253 Jy ! Inverting map ! Added new window around map position (8.8, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00486391 Jy ! Component: 100 - total flux cleaned = 0.00862771 Jy ! Component: 150 - total flux cleaned = 0.0117268 Jy ! Component: 200 - total flux cleaned = 0.0143062 Jy ! Total flux subtracted in 200 components = 0.0143062 Jy ! Clean residual min=-0.003432 max=0.003176 Jy/beam ! Clean residual mean=-0.000002 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 0.419559 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 85 components and 0.419559 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=2.358 mas, bmaj=3.383 mas, bpa=-10.97 degrees ! Estimated noise=1.41515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00278626 Jy ! Component: 100 - total flux cleaned = 0.00481145 Jy ! Component: 150 - total flux cleaned = 0.00606015 Jy ! Component: 200 - total flux cleaned = 0.00710765 Jy ! Total flux subtracted in 200 components = 0.00710765 Jy ! Clean residual min=-0.002977 max=0.002476 Jy/beam ! Clean residual mean=-0.000001 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.426667 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 = 0.000800273 Jy ! Component: 100 - total flux cleaned = 0.00121685 Jy ! Component: 150 - total flux cleaned = 0.00148154 Jy ! Component: 200 - total flux cleaned = 0.00169124 Jy ! Total flux subtracted in 200 components = 0.00169124 Jy ! Clean residual min=-0.002841 max=0.002448 Jy/beam ! Clean residual mean=-0.000001 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.428358 Jy ! Adding 75 model components to the UV plane model. ! The established model now contains 155 components and 0.428358 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.278 mas, bmaj=3.197 mas, bpa=-15.12 degrees ! Estimated noise=1.27887 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000226764 Jy ! Component: 100 - total flux cleaned = 0.000115809 Jy ! Component: 150 - total flux cleaned = 6.23475e-05 Jy ! Component: 200 - total flux cleaned = -9.21018e-05 Jy ! Total flux subtracted in 200 components = -9.21018e-05 Jy ! Clean residual min=-0.002848 max=0.002762 Jy/beam ! Clean residual mean=-0.000001 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.428266 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 180 components and 0.428266 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=0.069524Jy sigma=0.503410 ! Fit after self-cal, rms=0.069443Jy sigma=0.502790 wmodel J2257+0743_X_a_map.mod ! Writing 180 model components to file: J2257+0743_X_a_map.mod wobs J2257+0743_X_a_uvs.fits ! Writing UV FITS file: J2257+0743_X_a_uvs.fits wwins J2257+0743_X_a_map.win ! wwins: Wrote 5 windows to J2257+0743_X_a_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 = 0.000376427 Jy ! Component: 100 - total flux cleaned = 0.000512747 Jy ! Component: 150 - total flux cleaned = 0.000599923 Jy ! Component: 200 - total flux cleaned = 0.000641167 Jy ! Component: 250 - total flux cleaned = 0.00076027 Jy ! Component: 300 - total flux cleaned = 0.000798387 Jy ! Component: 350 - total flux cleaned = 0.000910049 Jy ! Component: 400 - total flux cleaned = 0.00094571 Jy ! Component: 450 - total flux cleaned = 0.000945753 Jy ! Component: 500 - total flux cleaned = 0.00104982 Jy ! Component: 550 - total flux cleaned = 0.00104865 Jy ! Component: 600 - total flux cleaned = 0.000982104 Jy ! Component: 650 - total flux cleaned = 0.000983169 Jy ! Component: 700 - total flux cleaned = 0.00107915 Jy ! Component: 750 - total flux cleaned = 0.00107943 Jy ! Component: 800 - total flux cleaned = 0.00114146 Jy ! Component: 850 - total flux cleaned = 0.00114173 Jy ! Component: 900 - total flux cleaned = 0.00126048 Jy ! Component: 950 - total flux cleaned = 0.00140653 Jy ! Component: 1000 - total flux cleaned = 0.00143511 Jy ! Component: 1050 - total flux cleaned = 0.00154851 Jy ! Component: 1100 - total flux cleaned = 0.00160453 Jy ! Component: 1150 - total flux cleaned = 0.00165981 Jy ! Component: 1200 - total flux cleaned = 0.00166028 Jy ! Component: 1250 - total flux cleaned = 0.00176825 Jy ! Component: 1300 - total flux cleaned = 0.0017686 Jy ! Component: 1350 - total flux cleaned = 0.00192641 Jy ! Component: 1400 - total flux cleaned = 0.0020563 Jy ! Component: 1450 - total flux cleaned = 0.00210779 Jy ! Component: 1500 - total flux cleaned = 0.00215869 Jy ! Component: 1550 - total flux cleaned = 0.00230895 Jy ! Component: 1600 - total flux cleaned = 0.00240765 Jy ! Component: 1650 - total flux cleaned = 0.00245635 Jy ! Component: 1700 - total flux cleaned = 0.00255285 Jy ! Component: 1750 - total flux cleaned = 0.00262435 Jy ! Component: 1800 - total flux cleaned = 0.00269495 Jy ! Component: 1850 - total flux cleaned = 0.0026718 Jy ! Component: 1900 - total flux cleaned = 0.00281057 Jy ! Component: 1950 - total flux cleaned = 0.00287923 Jy ! Component: 2000 - total flux cleaned = 0.00294709 Jy ! Component: 2050 - total flux cleaned = 0.00308158 Jy ! Component: 2100 - total flux cleaned = 0.00317025 Jy ! Component: 2150 - total flux cleaned = 0.0032364 Jy ! Component: 2200 - total flux cleaned = 0.00330166 Jy ! Component: 2250 - total flux cleaned = 0.00338792 Jy ! Component: 2300 - total flux cleaned = 0.00338783 Jy ! Component: 2350 - total flux cleaned = 0.00347252 Jy ! Component: 2400 - total flux cleaned = 0.00353527 Jy ! Component: 2450 - total flux cleaned = 0.00353545 Jy ! Component: 2500 - total flux cleaned = 0.00359732 Jy ! Component: 2550 - total flux cleaned = 0.00369923 Jy ! Component: 2600 - total flux cleaned = 0.00365855 Jy ! Component: 2650 - total flux cleaned = 0.00373862 Jy ! Component: 2700 - total flux cleaned = 0.00371861 Jy ! Component: 2750 - total flux cleaned = 0.00371849 Jy ! Component: 2800 - total flux cleaned = 0.00371856 Jy ! Component: 2850 - total flux cleaned = 0.00377654 Jy ! Component: 2900 - total flux cleaned = 0.0037574 Jy ! Component: 2950 - total flux cleaned = 0.00379551 Jy ! Component: 3000 - total flux cleaned = 0.00387118 Jy ! Component: 3050 - total flux cleaned = 0.00390892 Jy ! Component: 3100 - total flux cleaned = 0.00396466 Jy ! Component: 3150 - total flux cleaned = 0.00403848 Jy ! Component: 3200 - total flux cleaned = 0.00407511 Jy ! Component: 3250 - total flux cleaned = 0.00414786 Jy ! Component: 3300 - total flux cleaned = 0.00420176 Jy ! Component: 3350 - total flux cleaned = 0.00425553 Jy ! Component: 3400 - total flux cleaned = 0.00430901 Jy ! Component: 3450 - total flux cleaned = 0.00430902 Jy ! Component: 3500 - total flux cleaned = 0.00439707 Jy ! Component: 3550 - total flux cleaned = 0.00448423 Jy ! Component: 3600 - total flux cleaned = 0.0045362 Jy ! Component: 3650 - total flux cleaned = 0.0046049 Jy ! Component: 3700 - total flux cleaned = 0.00465624 Jy ! Component: 3750 - total flux cleaned = 0.00463925 Jy ! Component: 3800 - total flux cleaned = 0.00479116 Jy ! Component: 3850 - total flux cleaned = 0.00477454 Jy ! Component: 3900 - total flux cleaned = 0.00485773 Jy ! Component: 3950 - total flux cleaned = 0.00490723 Jy ! Component: 4000 - total flux cleaned = 0.00494027 Jy ! Component: 4050 - total flux cleaned = 0.00497304 Jy ! Total flux subtracted in 4096 components = 0.00498927 Jy ! Clean residual min=-0.001006 max=0.000969 Jy/beam ! Clean residual mean=-0.000000 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.433255 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 472 components and 0.433255 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2257+0743_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.278 x 3.197 at -15.12 degrees (North through East) ! Clean map min=-0.0019363 max=0.24019 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2257+0743_X_a_map.fits wmodel /image_prod/ug002_uva//J2257+0743_X_a_map.mod ! Writing 472 model components to file: /image_prod/ug002_uva//J2257+0743_X_a_map.mod wobs /image_prod/ug002_uva//J2257+0743_X_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2257+0743_X_a_uvs.fits wwins /image_prod/ug002_uva//J2257+0743_X_a_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J2257+0743_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.240188 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000293164 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.366168 0.366168 0.732335 1.46467 2.92934 5.85868 11.7174 23.4347 46.8695 93.7389 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.24 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 819.296 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2257+0743_X_a_dfm.log closed on Thu Mar 5 06:00:17 2020