! Started logfile: J1918+4937_X_2014_08_05_pus_uvs.log on Sat Nov 12 21:15:39 2016 obs J1918+4937_X_2014_08_05_pus_uva.fits ! Reading UV FITS file: J1918+4937_X_2014_08_05_pus_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.673148 visibilities/baseline/integration-bin. ! Found source: J1918+4937 ! ! 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 8.44388e+09 3.2e+07 1 3.2e+07 ! 02 2 8.47588e+09 3.2e+07 1 3.2e+07 ! 03 3 8.50788e+09 3.2e+07 1 3.2e+07 ! 04 4 8.53988e+09 3.2e+07 1 3.2e+07 ! 05 5 8.60388e+09 3.2e+07 1 3.2e+07 ! 06 6 8.63588e+09 3.2e+07 1 3.2e+07 ! 07 7 8.69988e+09 3.2e+07 1 3.2e+07 ! 08 8 8.73188e+09 3.2e+07 1 3.2e+07 ! 09 9 8.79588e+09 3.2e+07 1 3.2e+07 ! 10 10 8.82788e+09 3.2e+07 1 3.2e+07 ! 11 11 8.85988e+09 3.2e+07 1 3.2e+07 ! 12 12 8.89188e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 414 lines of history. ! ! Reading 26172 visibilities. select I ! Polarization I is unavailable. ! 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 = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1918+4937_X_2014_08_05_pus] 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 mapsize field_size, field_cell ! Map grid = 512x512 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 130 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 130 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 196 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 196 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 196 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 196 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.964764Jy sigma=0.011354 ! Fit after self-cal, rms=0.937609Jy sigma=0.011092 ! 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=1.089 mas, bmaj=1.699 mas, bpa=38.44 degrees ! Estimated noise=646.86 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 = 0.0470502 Jy ! Component: 100 - total flux cleaned = 0.0621067 Jy ! Total flux subtracted in 100 components = 0.0621067 Jy ! Clean residual min=-0.004619 max=0.007340 Jy/beam ! Clean residual mean=0.000005 rms=0.001511 Jy/beam ! Combined flux in latest and established models = 0.0621068 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0621068 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=0.072117Jy sigma=0.000796 ! Fit after self-cal, rms=0.071937Jy sigma=0.000794 ! 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=1.303 mas, bmaj=1.967 mas, bpa=37.98 degrees ! Estimated noise=402.451 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 = 0.0113127 Jy ! Component: 100 - total flux cleaned = 0.0174959 Jy ! Component: 150 - total flux cleaned = 0.0211492 Jy ! Component: 200 - total flux cleaned = 0.0234884 Jy ! Total flux subtracted in 200 components = 0.0234884 Jy ! Clean residual min=-0.003901 max=0.003795 Jy/beam ! Clean residual mean=-0.000007 rms=0.000919 Jy/beam ! Combined flux in latest and established models = 0.0855952 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 31 components and 0.0855951 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=0.070178Jy sigma=0.000772 ! Fit after self-cal, rms=0.070112Jy sigma=0.000771 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.08 HN 1.04 KP 0.92 ! LA 1.00 MK 1.00* NL 0.97 OV 0.97 ! PT 1.01 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.09 HN 1.13 KP 0.84 ! LA 0.98 MK 1.00* NL 0.95 OV 1.01 ! PT 0.97 SC 1.12 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.14 HN 1.05 KP 0.84 ! LA 0.98 MK 1.00* NL 0.99 OV 1.01 ! PT 0.98 SC 1.08 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 1.06 KP 0.82 ! LA 0.98 MK 1.00* NL 0.99 OV 1.00 ! PT 0.98 SC 1.16 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.05 HN 1.08 KP 0.74 ! LA 1.05 MK 1.00* NL 0.91 OV 1.02 ! PT 0.90 SC 1.16 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.14 HN 1.04 KP 0.76 ! LA 0.98 MK 1.00* NL 0.99 OV 1.02 ! PT 0.99 SC 1.19 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.26 HN 1.17 KP 0.75 ! LA 1.12 MK 1.00* NL 1.02 OV 1.00 ! PT 0.97 SC 1.14 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.09 HN 1.13 KP 0.78 ! LA 1.02 MK 1.00* NL 1.01 OV 1.03 ! PT 1.01 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.11 HN 1.00* KP 0.77 ! LA 1.04 MK 1.00* NL 1.00 OV 1.02 ! PT 0.94 SC 1.03 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.10 HN 1.00* KP 0.79 ! LA 1.07 MK 1.00* NL 1.01 OV 1.06 ! PT 0.94 SC 1.11 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.08 HN 1.00* KP 0.87 ! LA 1.08 MK 1.00* NL 0.98 OV 0.98 ! PT 0.99 SC 1.09 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 1.00* KP 0.89 ! LA 1.10 MK 1.00* NL 0.98 OV 0.95 ! PT 0.96 SC 1.01 ! ! ! Fit before self-cal, rms=0.070112Jy sigma=0.000771 ! Fit after self-cal, rms=0.069973Jy sigma=0.000763 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.338 mas, bmaj=1.99 mas, bpa=38.17 degrees ! Estimated noise=399.877 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 (-1.4, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00353343 Jy ! Component: 100 - total flux cleaned = 0.00333059 Jy ! Component: 150 - total flux cleaned = 0.00304173 Jy ! Component: 200 - total flux cleaned = 0.00290733 Jy ! Total flux subtracted in 200 components = 0.00290733 Jy ! Clean residual min=-0.001406 max=0.001737 Jy/beam ! Clean residual mean=-0.000015 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.0885025 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 49 components and 0.0885025 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=0.069800Jy sigma=0.000761 ! Fit after self-cal, rms=0.069802Jy sigma=0.000760 ! 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=0.069802Jy sigma=0.000760 ! Fit after self-cal, rms=0.069744Jy sigma=0.000759 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.31 mas, bmaj=2.001 mas, bpa=38.27 degrees ! Estimated noise=395.409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00155028 Jy ! Component: 100 - total flux cleaned = 0.0015958 Jy ! Component: 150 - total flux cleaned = 0.0015181 Jy ! Component: 200 - total flux cleaned = 0.00147492 Jy ! Total flux subtracted in 200 components = 0.00147492 Jy ! Clean residual min=-0.001387 max=0.001585 Jy/beam ! Clean residual mean=-0.000012 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.0899774 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.0899774 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=0.069703Jy sigma=0.000759 ! Fit after self-cal, rms=0.069711Jy sigma=0.000758 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, 5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171306 Jy ! Component: 100 - total flux cleaned = 0.00284459 Jy ! Component: 150 - total flux cleaned = 0.00371236 Jy ! Component: 200 - total flux cleaned = 0.00439961 Jy ! Total flux subtracted in 200 components = 0.00439961 Jy ! Clean residual min=-0.001175 max=0.001169 Jy/beam ! Clean residual mean=0.000003 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.094377 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 74 components and 0.094377 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=0.069657Jy sigma=0.000758 ! Fit after self-cal, rms=0.069649Jy sigma=0.000758 ! 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=0.069649Jy sigma=0.000758 ! Fit after self-cal, rms=0.069530Jy sigma=0.000757 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.305 mas, bmaj=2.004 mas, bpa=38.34 degrees ! Estimated noise=393.417 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00083482 Jy ! Component: 100 - total flux cleaned = 0.00120852 Jy ! Component: 150 - total flux cleaned = 0.00141124 Jy ! Component: 200 - total flux cleaned = 0.00153161 Jy ! Total flux subtracted in 200 components = 0.00153161 Jy ! Clean residual min=-0.001126 max=0.001165 Jy/beam ! Clean residual mean=0.000003 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.0959086 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 81 components and 0.0959086 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=0.069512Jy sigma=0.000757 ! Fit after self-cal, rms=0.069512Jy sigma=0.000757 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 (18.8, 12.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000957115 Jy ! Component: 100 - total flux cleaned = 0.00113341 Jy ! Component: 150 - total flux cleaned = 0.00117915 Jy ! Component: 200 - total flux cleaned = 0.0012391 Jy ! Total flux subtracted in 200 components = 0.0012391 Jy ! Clean residual min=-0.001019 max=0.001048 Jy/beam ! Clean residual mean=-0.000002 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.0971477 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 95 components and 0.0971477 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=0.069491Jy sigma=0.000757 ! Fit after self-cal, rms=0.069486Jy sigma=0.000757 ! 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=0.069486Jy sigma=0.000757 ! Fit after self-cal, rms=0.069500Jy sigma=0.000757 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.446 mas, bmaj=2.684 mas, bpa=-87.79 degrees ! Estimated noise=435.602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.36307e-05 Jy ! Component: 100 - total flux cleaned = 0.000148899 Jy ! Component: 150 - total flux cleaned = 0.000253236 Jy ! Component: 200 - total flux cleaned = 0.000304872 Jy ! Total flux subtracted in 200 components = 0.000304872 Jy ! Clean residual min=-0.000782 max=0.000966 Jy/beam ! Clean residual mean=-0.000002 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.0974526 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 112 components and 0.0974526 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=0.069495Jy sigma=0.000757 ! Fit after self-cal, rms=0.069497Jy sigma=0.000757 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 = -1.88198e-05 Jy ! Component: 100 - total flux cleaned = 5.70948e-05 Jy ! Component: 150 - total flux cleaned = 0.000102562 Jy ! Component: 200 - total flux cleaned = 0.00014372 Jy ! Total flux subtracted in 200 components = 0.00014372 Jy ! Clean residual min=-0.000753 max=0.000907 Jy/beam ! Clean residual mean=-0.000002 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0975963 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 124 components and 0.0975963 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=0.069494Jy sigma=0.000757 ! Fit after self-cal, rms=0.069495Jy sigma=0.000757 ! 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=1.302 mas, bmaj=2.006 mas, bpa=38.39 degrees ! Estimated noise=392.564 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.302 x 2.006 at 38.39 degrees (North through East) ! Clean map min=-0.00091348 max=0.058734 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=1.085 mas, bmaj=1.727 mas, bpa=38.63 degrees ! Estimated noise=634.227 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0459263 Jy ! Component: 100 - total flux cleaned = 0.0629255 Jy ! Component: 150 - total flux cleaned = 0.0724154 Jy ! Component: 200 - total flux cleaned = 0.0783475 Jy ! Total flux subtracted in 200 components = 0.0783475 Jy ! Clean residual min=-0.003109 max=0.003246 Jy/beam ! Clean residual mean=-0.000006 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.0783474 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0783474 Jy ! Inverting map and beam ! Estimated beam: bmin=1.302 mas, bmaj=2.006 mas, bpa=38.39 degrees ! Estimated noise=392.564 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 = 0.00466805 Jy ! Component: 100 - total flux cleaned = 0.00738569 Jy ! Component: 150 - total flux cleaned = 0.00950729 Jy ! Component: 200 - total flux cleaned = 0.0112932 Jy ! Total flux subtracted in 200 components = 0.0112932 Jy ! Clean residual min=-0.001544 max=0.001267 Jy/beam ! Clean residual mean=-0.000010 rms=0.000385 Jy/beam ! Combined flux in latest and established models = 0.0896406 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 38 components and 0.0896406 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=2.446 mas, bmaj=2.684 mas, bpa=-87.79 degrees ! Estimated noise=435.602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00189479 Jy ! Component: 100 - total flux cleaned = 0.00327473 Jy ! Component: 150 - total flux cleaned = 0.0043884 Jy ! Component: 200 - total flux cleaned = 0.00530474 Jy ! Total flux subtracted in 200 components = 0.00530474 Jy ! Clean residual min=-0.001024 max=0.000896 Jy/beam ! Clean residual mean=-0.000007 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.0949454 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 = 0.000620716 Jy ! Component: 100 - total flux cleaned = 0.00102141 Jy ! Component: 150 - total flux cleaned = 0.00142001 Jy ! Component: 200 - total flux cleaned = 0.00175023 Jy ! Total flux subtracted in 200 components = 0.00175023 Jy ! Clean residual min=-0.000854 max=0.000850 Jy/beam ! Clean residual mean=-0.000005 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.0966956 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 88 components and 0.0966956 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.302 mas, bmaj=2.006 mas, bpa=38.39 degrees ! Estimated noise=392.564 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000514313 Jy ! Component: 100 - total flux cleaned = 0.000827881 Jy ! Component: 150 - total flux cleaned = 0.000966674 Jy ! Component: 200 - total flux cleaned = 0.00105182 Jy ! Total flux subtracted in 200 components = 0.00105182 Jy ! Clean residual min=-0.000999 max=0.001096 Jy/beam ! Clean residual mean=-0.000003 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0977474 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 107 components and 0.0977474 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=0.069506Jy sigma=0.000757 ! Fit after self-cal, rms=0.069486Jy sigma=0.000757 wmodel J1918+4937_X_2014_08_05_pus_map.mod ! Writing 107 model components to file: J1918+4937_X_2014_08_05_pus_map.mod wobs J1918+4937_X_2014_08_05_pus_uvs.fits ! Writing UV FITS file: J1918+4937_X_2014_08_05_pus_uvs.fits wwins J1918+4937_X_2014_08_05_pus_map.win ! wwins: Wrote 4 windows to J1918+4937_X_2014_08_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 8.74207e-05 Jy ! Component: 100 - total flux cleaned = 0.000150097 Jy ! Component: 150 - total flux cleaned = 0.000164953 Jy ! Component: 200 - total flux cleaned = 9.5659e-05 Jy ! Component: 250 - total flux cleaned = 6.94787e-05 Jy ! Component: 300 - total flux cleaned = 4.41592e-05 Jy ! Component: 350 - total flux cleaned = -1.61388e-05 Jy ! Component: 400 - total flux cleaned = -5.10836e-05 Jy ! Component: 450 - total flux cleaned = -7.29619e-05 Jy ! Component: 500 - total flux cleaned = -6.21698e-05 Jy ! Component: 550 - total flux cleaned = -0.000114779 Jy ! Component: 600 - total flux cleaned = -0.00014546 Jy ! Component: 650 - total flux cleaned = -0.000195142 Jy ! Component: 700 - total flux cleaned = -0.00019514 Jy ! Component: 750 - total flux cleaned = -0.000214092 Jy ! Component: 800 - total flux cleaned = -0.000204685 Jy ! Component: 850 - total flux cleaned = -0.000186378 Jy ! Component: 900 - total flux cleaned = -0.000204172 Jy ! Component: 950 - total flux cleaned = -0.000195484 Jy ! Component: 1000 - total flux cleaned = -0.000212645 Jy ! Component: 1050 - total flux cleaned = -0.000195876 Jy ! Component: 1100 - total flux cleaned = -0.000212388 Jy ! Component: 1150 - total flux cleaned = -0.000220542 Jy ! Component: 1200 - total flux cleaned = -0.000236261 Jy ! Component: 1250 - total flux cleaned = -0.000220709 Jy ! Component: 1300 - total flux cleaned = -0.000220724 Jy ! Component: 1350 - total flux cleaned = -0.000205684 Jy ! Component: 1400 - total flux cleaned = -0.00021317 Jy ! Component: 1450 - total flux cleaned = -0.000198512 Jy ! Component: 1500 - total flux cleaned = -0.000191242 Jy ! Component: 1550 - total flux cleaned = -0.000191216 Jy ! Component: 1600 - total flux cleaned = -0.000170156 Jy ! Component: 1650 - total flux cleaned = -0.000170095 Jy ! Component: 1700 - total flux cleaned = -0.000170089 Jy ! Component: 1750 - total flux cleaned = -0.000163325 Jy ! Component: 1800 - total flux cleaned = -0.000163262 Jy ! Component: 1850 - total flux cleaned = -0.000163239 Jy ! Component: 1900 - total flux cleaned = -0.000169828 Jy ! Component: 1950 - total flux cleaned = -0.000169886 Jy ! Component: 2000 - total flux cleaned = -0.000169969 Jy ! Total flux subtracted in 2048 components = -0.000176345 Jy ! Clean residual min=-0.000348 max=0.000366 Jy/beam ! Clean residual mean=-0.000001 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.0975711 Jy keep ! Adding 122 model components to the UV plane model. ! The established model now contains 229 components and 0.0975711 Jy ![Exited script file: muppet] wmap "J1918+4937_X_2014_08_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.302 x 2.006 at 38.39 degrees (North through East) ! Clean map min=-0.00070728 max=0.058757 Jy/beam ! Writing clean map to FITS file: J1918+4937_X_2014_08_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0587571 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0001168 device "J1918+4937_X_2014_08_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1918+4937_X_2014_08_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.596352 0.596352 1.1927 2.38541 4.77081 9.54163 19.0833 38.1665 76.333 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.058 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.302 x 2.006 at 38.39 degrees (North through East) ! Clean map min=-0.00070728 max=0.058757 Jy/beam quit ! Quitting program ! Log file J1918+4937_X_2014_08_05_pus_uvs.log closed on Sat Nov 12 21:15:40 2016