! Started logfile: /image_prod/ug002_uva//J2253+1942_X_i_dfm.log on Thu Mar 5 05:57:16 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//J2253+1942_X_i_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2253+1942_X_i_uva.fits ! AN table 1: 6 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.898148 visibilities/baseline/integration-bin. ! Found source: J2253+1942 ! ! 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 2328 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 J2253+1942_X_i] 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 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.031372Jy sigma=14.832194 ! Fit after self-cal, rms=0.799694Jy sigma=11.386006 ! 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=0.6483 mas, bmaj=1.827 mas, bpa=3.974 degrees ! Estimated noise=1.52337 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 = 0.155368 Jy ! Component: 100 - total flux cleaned = 0.193704 Jy ! Total flux subtracted in 100 components = 0.193704 Jy ! Clean residual min=-0.011881 max=0.015030 Jy/beam ! Clean residual mean=-0.000004 rms=0.003193 Jy/beam ! Combined flux in latest and established models = 0.193704 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.193704 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=0.067069Jy sigma=0.961150 ! Fit after self-cal, rms=0.067031Jy sigma=0.960582 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7716 mas, bmaj=1.945 mas, bpa=5.596 degrees ! Estimated noise=1.05385 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 = 0.0205096 Jy ! Component: 100 - total flux cleaned = 0.0323525 Jy ! Component: 150 - total flux cleaned = 0.0400886 Jy ! Component: 200 - total flux cleaned = 0.0452759 Jy ! Total flux subtracted in 200 components = 0.0452759 Jy ! Clean residual min=-0.009467 max=0.010751 Jy/beam ! Clean residual mean=-0.000006 rms=0.002286 Jy/beam ! Combined flux in latest and established models = 0.23898 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 24 components and 0.23898 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=0.060745Jy sigma=0.853379 ! Fit after self-cal, rms=0.060746Jy sigma=0.853012 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7716 x 1.945 at 5.596 degrees (North through East) ! Clean map min=-0.008598 max=0.20372 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.02 KP 1.02 ! LA 0.89 MK 1.02 NL 1.13 OV 0.90 ! SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.95 KP 1.03 ! LA 0.91 MK 1.02 NL 1.15 OV 0.88 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.03 KP 1.08 ! LA 0.89 MK 1.03 NL 1.14 OV 0.86 ! SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.06 KP 1.06 ! LA 0.95 MK 1.04 NL 1.13 OV 0.88 ! SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 0.94 KP 1.08 ! LA 0.90 MK 1.01 NL 1.18 OV 0.89 ! SC 1.07 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 1.00 KP 1.01 ! LA 0.89 MK 1.06 NL 1.18 OV 0.87 ! SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 HN 0.93 KP 1.06 ! LA 0.91 MK 1.03 NL 1.15 OV 0.93 ! SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 0.97 KP 1.05 ! LA 0.93 MK 1.07 NL 1.16 OV 0.90 ! SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.07 HN 0.99 KP 1.04 ! LA 0.89 MK 1.02 NL 1.18 OV 0.89 ! SC 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HN 0.98 KP 1.06 ! LA 0.92 MK 1.00 NL 1.14 OV 0.83 ! SC 1.05 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 0.95 KP 1.03 ! LA 0.91 MK 1.00 NL 1.16 OV 0.90 ! SC 1.08 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.94 HN 1.02 KP 1.01 ! LA 0.91 MK 1.02 NL 1.11 OV 0.88 ! SC 1.08 ! ! ! Fit before self-cal, rms=0.060746Jy sigma=0.853012 ! Fit after self-cal, rms=0.056609Jy sigma=0.782587 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7768 mas, bmaj=1.965 mas, bpa=5.853 degrees ! Estimated noise=1.04909 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 = 4.5757e-05 Jy ! Component: 100 - total flux cleaned = -0.000119174 Jy ! Component: 150 - total flux cleaned = -0.000245234 Jy ! Component: 200 - total flux cleaned = -0.000313579 Jy ! Total flux subtracted in 200 components = -0.000313579 Jy ! Clean residual min=-0.004194 max=0.004669 Jy/beam ! Clean residual mean=0.000000 rms=0.000989 Jy/beam ! Combined flux in latest and established models = 0.238666 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 29 components and 0.238666 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=0.056511Jy sigma=0.781406 ! Fit after self-cal, rms=0.056585Jy sigma=0.781061 ! 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=0.056585Jy sigma=0.781061 ! Fit after self-cal, rms=0.056509Jy sigma=0.780893 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7761 mas, bmaj=1.963 mas, bpa=6.016 degrees ! Estimated noise=1.04879 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000774275 Jy ! Component: 100 - total flux cleaned = 0.000710134 Jy ! Component: 150 - total flux cleaned = 0.000709384 Jy ! Component: 200 - total flux cleaned = 0.000734581 Jy ! Total flux subtracted in 200 components = 0.000734581 Jy ! Clean residual min=-0.004132 max=0.004556 Jy/beam ! Clean residual mean=0.000000 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 0.239401 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 0.239401 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=0.056470Jy sigma=0.780402 ! Fit after self-cal, rms=0.056470Jy sigma=0.780396 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 (10.8, 10.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00285993 Jy ! Component: 100 - total flux cleaned = 0.00241248 Jy ! Component: 150 - total flux cleaned = 0.00186433 Jy ! Component: 200 - total flux cleaned = 0.00136563 Jy ! Total flux subtracted in 200 components = 0.00136563 Jy ! Clean residual min=-0.003794 max=0.003702 Jy/beam ! Clean residual mean=0.000000 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 0.240767 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.240767 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=0.056175Jy sigma=0.776650 ! Fit after self-cal, rms=0.056158Jy sigma=0.776495 ! 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=0.056158Jy sigma=0.776495 ! Fit after self-cal, rms=0.056085Jy sigma=0.776242 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7753 mas, bmaj=1.962 mas, bpa=6.114 degrees ! Estimated noise=1.04959 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000799539 Jy ! Component: 100 - total flux cleaned = 0.000563954 Jy ! Component: 150 - total flux cleaned = 0.000495596 Jy ! Component: 200 - total flux cleaned = 0.000434392 Jy ! Total flux subtracted in 200 components = 0.000434392 Jy ! Clean residual min=-0.003781 max=0.003505 Jy/beam ! Clean residual mean=0.000000 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.241201 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 55 components and 0.241201 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=0.056034Jy sigma=0.775574 ! Fit after self-cal, rms=0.056032Jy sigma=0.775536 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 = 0.000145954 Jy ! Component: 100 - total flux cleaned = 3.26082e-05 Jy ! Component: 150 - total flux cleaned = -7.23821e-05 Jy ! Component: 200 - total flux cleaned = -0.00012223 Jy ! Total flux subtracted in 200 components = -0.00012223 Jy ! Clean residual min=-0.003781 max=0.003420 Jy/beam ! Clean residual mean=0.000000 rms=0.000826 Jy/beam ! Combined flux in latest and established models = 0.241079 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 58 components and 0.241079 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=0.056006Jy sigma=0.775239 ! Fit after self-cal, rms=0.056007Jy sigma=0.775223 ! 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=0.056007Jy sigma=0.775223 ! Fit after self-cal, rms=0.055991Jy sigma=0.775164 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.876 mas, bmaj=2.695 mas, bpa=0.03097 degrees ! Estimated noise=1.39688 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000249387 Jy ! Component: 100 - total flux cleaned = 0.000265378 Jy ! Component: 150 - total flux cleaned = 2.63023e-05 Jy ! Component: 200 - total flux cleaned = -0.000108216 Jy ! Total flux subtracted in 200 components = -0.000108216 Jy ! Clean residual min=-0.004656 max=0.004051 Jy/beam ! Clean residual mean=0.000001 rms=0.001171 Jy/beam ! Combined flux in latest and established models = 0.240971 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 66 components and 0.240971 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=0.056038Jy sigma=0.775699 ! Fit after self-cal, rms=0.056016Jy sigma=0.775502 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 = 5.99066e-05 Jy ! Component: 100 - total flux cleaned = -7.14304e-05 Jy ! Component: 150 - total flux cleaned = -0.000130945 Jy ! Component: 200 - total flux cleaned = -0.000239615 Jy ! Total flux subtracted in 200 components = -0.000239615 Jy ! Clean residual min=-0.004584 max=0.003988 Jy/beam ! Clean residual mean=0.000001 rms=0.001142 Jy/beam ! Combined flux in latest and established models = 0.240731 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 73 components and 0.240731 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=0.056057Jy sigma=0.775979 ! Fit after self-cal, rms=0.056045Jy sigma=0.775872 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.7748 mas, bmaj=1.961 mas, bpa=6.159 degrees ! Estimated noise=1.05028 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7748 x 1.961 at 6.159 degrees (North through East) ! Clean map min=-0.0034895 max=0.20106 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=0.6504 mas, bmaj=1.835 mas, bpa=4.55 degrees ! Estimated noise=1.52552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.155482 Jy ! Component: 100 - total flux cleaned = 0.194915 Jy ! Component: 150 - total flux cleaned = 0.210925 Jy ! Component: 200 - total flux cleaned = 0.220209 Jy ! Total flux subtracted in 200 components = 0.220209 Jy ! Clean residual min=-0.007073 max=0.007799 Jy/beam ! Clean residual mean=-0.000001 rms=0.001856 Jy/beam ! Combined flux in latest and established models = 0.220209 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.220209 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7748 mas, bmaj=1.961 mas, bpa=6.159 degrees ! Estimated noise=1.05028 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) ! Added new window around map position (-0.6, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00878915 Jy ! Component: 100 - total flux cleaned = 0.0143275 Jy ! Component: 150 - total flux cleaned = 0.0183414 Jy ! Component: 200 - total flux cleaned = 0.0205754 Jy ! Total flux subtracted in 200 components = 0.0205754 Jy ! Clean residual min=-0.004594 max=0.003294 Jy/beam ! Clean residual mean=-0.000000 rms=0.000909 Jy/beam ! Combined flux in latest and established models = 0.240784 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 40 components and 0.240784 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=1.876 mas, bmaj=2.695 mas, bpa=0.03097 degrees ! Estimated noise=1.39688 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000364352 Jy ! Component: 100 - total flux cleaned = 0.000794859 Jy ! Component: 150 - total flux cleaned = 0.00123153 Jy ! Component: 200 - total flux cleaned = 0.00158395 Jy ! Total flux subtracted in 200 components = 0.00158395 Jy ! Clean residual min=-0.004483 max=0.003101 Jy/beam ! Clean residual mean=0.000002 rms=0.001039 Jy/beam ! Combined flux in latest and established models = 0.242368 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 = 0.000228692 Jy ! Component: 100 - total flux cleaned = 0.00047066 Jy ! Component: 150 - total flux cleaned = 0.000636646 Jy ! Component: 200 - total flux cleaned = 0.000816092 Jy ! Total flux subtracted in 200 components = 0.000816092 Jy ! Clean residual min=-0.004202 max=0.002901 Jy/beam ! Clean residual mean=0.000002 rms=0.000957 Jy/beam ! Combined flux in latest and established models = 0.243184 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 76 components and 0.243184 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7748 mas, bmaj=1.961 mas, bpa=6.159 degrees ! Estimated noise=1.05028 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00131298 Jy ! Component: 100 - total flux cleaned = 0.00143152 Jy ! Component: 150 - total flux cleaned = 0.00148343 Jy ! Component: 200 - total flux cleaned = 0.00152913 Jy ! Total flux subtracted in 200 components = 0.00152913 Jy ! Clean residual min=-0.004063 max=0.003277 Jy/beam ! Clean residual mean=0.000000 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.244713 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 94 components and 0.244713 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=0.055938Jy sigma=0.774164 ! Fit after self-cal, rms=0.055914Jy sigma=0.773859 wmodel J2253+1942_X_i_map.mod ! Writing 94 model components to file: J2253+1942_X_i_map.mod wobs J2253+1942_X_i_uvs.fits ! Writing UV FITS file: J2253+1942_X_i_uvs.fits wwins J2253+1942_X_i_map.win ! wwins: Wrote 3 windows to J2253+1942_X_i_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 = -0.00115806 Jy ! Component: 100 - total flux cleaned = -0.00161651 Jy ! Component: 150 - total flux cleaned = -0.00177336 Jy ! Component: 200 - total flux cleaned = -0.00182191 Jy ! Component: 250 - total flux cleaned = -0.00200508 Jy ! Component: 300 - total flux cleaned = -0.00209282 Jy ! Component: 350 - total flux cleaned = -0.00217814 Jy ! Component: 400 - total flux cleaned = -0.00221897 Jy ! Component: 450 - total flux cleaned = -0.00225858 Jy ! Component: 500 - total flux cleaned = -0.00225888 Jy ! Component: 550 - total flux cleaned = -0.00218654 Jy ! Component: 600 - total flux cleaned = -0.00204476 Jy ! Component: 650 - total flux cleaned = -0.00194108 Jy ! Component: 700 - total flux cleaned = -0.00184039 Jy ! Component: 750 - total flux cleaned = -0.00167532 Jy ! Component: 800 - total flux cleaned = -0.00148147 Jy ! Component: 850 - total flux cleaned = -0.00135462 Jy ! Component: 900 - total flux cleaned = -0.0012616 Jy ! Component: 950 - total flux cleaned = -0.00123066 Jy ! Component: 1000 - total flux cleaned = -0.00120087 Jy ! Component: 1050 - total flux cleaned = -0.00123036 Jy ! Component: 1100 - total flux cleaned = -0.00111474 Jy ! Component: 1150 - total flux cleaned = -0.00111496 Jy ! Component: 1200 - total flux cleaned = -0.00103093 Jy ! Component: 1250 - total flux cleaned = -0.00097574 Jy ! Component: 1300 - total flux cleaned = -0.000839024 Jy ! Component: 1350 - total flux cleaned = -0.000704934 Jy ! Component: 1400 - total flux cleaned = -0.000652485 Jy ! Component: 1450 - total flux cleaned = -0.000652737 Jy ! Component: 1500 - total flux cleaned = -0.000626827 Jy ! Component: 1550 - total flux cleaned = -0.000651525 Jy ! Component: 1600 - total flux cleaned = -0.000501353 Jy ! Component: 1650 - total flux cleaned = -0.000550472 Jy ! Component: 1700 - total flux cleaned = -0.000380401 Jy ! Component: 1750 - total flux cleaned = -0.000356638 Jy ! Component: 1800 - total flux cleaned = -0.000238544 Jy ! Component: 1850 - total flux cleaned = -0.000238765 Jy ! Component: 1900 - total flux cleaned = -0.000146553 Jy ! Component: 1950 - total flux cleaned = -0.000123527 Jy ! Component: 2000 - total flux cleaned = -0.000100883 Jy ! Component: 2050 - total flux cleaned = -0.000100672 Jy ! Component: 2100 - total flux cleaned = -1.28756e-05 Jy ! Component: 2150 - total flux cleaned = -7.78198e-05 Jy ! Component: 2200 - total flux cleaned = -5.60049e-05 Jy ! Component: 2250 - total flux cleaned = 7.41503e-06 Jy ! Component: 2300 - total flux cleaned = 7.22434e-06 Jy ! Component: 2350 - total flux cleaned = 7.06464e-06 Jy ! Component: 2400 - total flux cleaned = 2.76242e-05 Jy ! Component: 2450 - total flux cleaned = 7.68975e-06 Jy ! Component: 2500 - total flux cleaned = 6.78975e-05 Jy ! Component: 2550 - total flux cleaned = 0.000127556 Jy ! Component: 2600 - total flux cleaned = 0.00018641 Jy ! Component: 2650 - total flux cleaned = 0.000205797 Jy ! Component: 2700 - total flux cleaned = 0.000186709 Jy ! Component: 2750 - total flux cleaned = 0.000301145 Jy ! Component: 2800 - total flux cleaned = 0.000338953 Jy ! Component: 2850 - total flux cleaned = 0.000395158 Jy ! Component: 2900 - total flux cleaned = 0.000413622 Jy ! Component: 2950 - total flux cleaned = 0.000450284 Jy ! Component: 3000 - total flux cleaned = 0.00059593 Jy ! Component: 3050 - total flux cleaned = 0.000577536 Jy ! Component: 3100 - total flux cleaned = 0.000613351 Jy ! Component: 3150 - total flux cleaned = 0.000577729 Jy ! Component: 3200 - total flux cleaned = 0.000666019 Jy ! Component: 3250 - total flux cleaned = 0.00063079 Jy ! Component: 3300 - total flux cleaned = 0.000665631 Jy ! Component: 3350 - total flux cleaned = 0.000700244 Jy ! Component: 3400 - total flux cleaned = 0.000734722 Jy ! Component: 3450 - total flux cleaned = 0.00078576 Jy ! Component: 3500 - total flux cleaned = 0.000819474 Jy ! Component: 3550 - total flux cleaned = 0.000852912 Jy ! Component: 3600 - total flux cleaned = 0.00088626 Jy ! Component: 3650 - total flux cleaned = 0.000836714 Jy ! Component: 3700 - total flux cleaned = 0.000951847 Jy ! Component: 3750 - total flux cleaned = 0.000951518 Jy ! Component: 3800 - total flux cleaned = 0.000919122 Jy ! Component: 3850 - total flux cleaned = 0.000918907 Jy ! Component: 3900 - total flux cleaned = 0.000950965 Jy ! Component: 3950 - total flux cleaned = 0.00103064 Jy ! Component: 4000 - total flux cleaned = 0.00104628 Jy ! Component: 4050 - total flux cleaned = 0.000998926 Jy ! Total flux subtracted in 4096 components = 0.00101452 Jy ! Clean residual min=-0.000891 max=0.000947 Jy/beam ! Clean residual mean=-0.000000 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.245728 Jy keep ! Adding 271 model components to the UV plane model. ! The established model now contains 365 components and 0.245728 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2253+1942_X_i_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7748 x 1.961 at 6.159 degrees (North through East) ! Clean map min=-0.002172 max=0.20254 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2253+1942_X_i_map.fits wmodel /image_prod/ug002_uva//J2253+1942_X_i_map.mod ! Writing 365 model components to file: /image_prod/ug002_uva//J2253+1942_X_i_map.mod wobs /image_prod/ug002_uva//J2253+1942_X_i_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2253+1942_X_i_uvs.fits wwins /image_prod/ug002_uva//J2253+1942_X_i_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J2253+1942_X_i_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.202541 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000256955 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.380598 0.380598 0.761196 1.52239 3.04478 6.08957 12.1791 24.3583 48.7165 97.4331 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.202 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 788.233 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2253+1942_X_i_dfm.log closed on Thu Mar 5 05:57:20 2020