! Started logfile: /image_prod/ug002_uva//J1834+2051_X_dfm.log on Thu Mar 5 03:49:41 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//J1834+2051_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1834+2051_X_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.807407 visibilities/baseline/integration-bin. ! Found source: J1834+2051 ! ! 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 39240 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 J1834+2051_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001832Jy sigma=9.323467 ! Fit after self-cal, rms=0.973755Jy sigma=9.068577 ! 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=0.9036 mas, bmaj=1.402 mas, bpa=-5.94 degrees ! Estimated noise=0.85284 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 = 0.0219284 Jy ! Component: 100 - total flux cleaned = 0.0266966 Jy ! Total flux subtracted in 100 components = 0.0266966 Jy ! Clean residual min=-0.002495 max=0.002778 Jy/beam ! Clean residual mean=0.000000 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 0.0266966 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0266966 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=0.057633Jy sigma=0.485788 ! Fit after self-cal, rms=0.055969Jy sigma=0.469007 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00368207 Jy ! Component: 100 - total flux cleaned = 0.00345592 Jy ! Total flux subtracted in 100 components = 0.00345592 Jy ! Clean residual min=-0.002287 max=0.002849 Jy/beam ! Clean residual mean=-0.000000 rms=0.000517 Jy/beam ! Combined flux in latest and established models = 0.0301525 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 11 components and 0.0301525 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=0.055720Jy sigma=0.467156 ! Fit after self-cal, rms=0.055679Jy sigma=0.466931 ! 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=1.164 mas, bmaj=1.772 mas, bpa=-1.732 degrees ! Estimated noise=0.390815 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, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187044 Jy ! Component: 100 - total flux cleaned = 0.00231585 Jy ! Component: 150 - total flux cleaned = 0.00258044 Jy ! Component: 200 - total flux cleaned = 0.00272489 Jy ! Total flux subtracted in 200 components = 0.00272489 Jy ! Clean residual min=-0.001318 max=0.001306 Jy/beam ! Clean residual mean=-0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.0328774 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 0.0328774 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=0.055611Jy sigma=0.466175 ! Fit after self-cal, rms=0.055583Jy sigma=0.465930 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.164 x 1.772 at -1.732 degrees (North through East) ! Clean map min=-0.0012798 max=0.030796 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 1.14 KP 1.06 ! LA 1.00 MK 1.09 NL 1.38 OV 0.94 ! PT 0.87 SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.05 KP 1.02 ! LA 1.09 MK 1.21 NL 1.32 OV 0.95 ! PT 0.91 SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.88 HN 1.00 KP 1.09 ! LA 1.07 MK 1.15 NL 1.30 OV 1.03 ! PT 0.88 SC 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 0.99 KP 1.05 ! LA 1.00 MK 1.07 NL 1.33 OV 0.95 ! PT 0.90 SC 0.87 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.02 KP 1.14 ! LA 0.98 MK 1.05 NL 1.26 OV 1.01 ! PT 0.97 SC 0.87 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.95 HN 1.06 KP 1.05 ! LA 1.06 MK 1.00 NL 1.29 OV 0.98 ! PT 0.95 SC 0.78 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.91 HN 0.93 KP 1.11 ! LA 0.95 MK 0.99 NL 1.23 OV 0.95 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.89 HN 1.05 KP 1.10 ! LA 0.99 MK 1.02 NL 1.19 OV 0.96 ! PT 0.98 SC 0.86 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.92 HN 0.88 KP 1.08 ! LA 0.96 MK 1.05 NL 1.23 OV 1.02 ! PT 0.87 SC 0.88 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.89 HN 0.92 KP 0.99 ! LA 0.92 MK 1.02 NL 1.27 OV 1.02 ! PT 0.86 SC 0.80 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 0.79 HN 0.83 KP 1.04 ! LA 1.00 MK 0.91 NL 1.35 OV 0.96 ! PT 0.83 SC 0.82 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.80 HN 0.89 KP 1.05 ! LA 1.01 MK 0.89 NL 1.23 OV 0.94 ! PT 0.90 SC 0.81 ! ! ! Fit before self-cal, rms=0.055583Jy sigma=0.465930 ! Fit after self-cal, rms=0.052109Jy sigma=0.463536 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.137 mas, bmaj=1.749 mas, bpa=2.101 degrees ! Estimated noise=0.386749 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 = 0.000993759 Jy ! Component: 100 - total flux cleaned = 0.000993329 Jy ! Component: 150 - total flux cleaned = 0.000971752 Jy ! Component: 200 - total flux cleaned = 0.000935549 Jy ! Total flux subtracted in 200 components = 0.000935549 Jy ! Clean residual min=-0.000788 max=0.000811 Jy/beam ! Clean residual mean=-0.000001 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0338129 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 41 components and 0.0338129 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=0.052076Jy sigma=0.463260 ! Fit after self-cal, rms=0.052082Jy sigma=0.462562 ! 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=0.052082Jy sigma=0.462562 ! Fit after self-cal, rms=0.051736Jy sigma=0.461544 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.124 mas, bmaj=1.733 mas, bpa=2.373 degrees ! Estimated noise=0.386753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000614693 Jy ! Component: 100 - total flux cleaned = 0.000630376 Jy ! Component: 150 - total flux cleaned = 0.000599652 Jy ! Component: 200 - total flux cleaned = 0.00058677 Jy ! Total flux subtracted in 200 components = 0.00058677 Jy ! Clean residual min=-0.000667 max=0.000791 Jy/beam ! Clean residual mean=-0.000001 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0343997 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 0.0343997 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=0.051720Jy sigma=0.461418 ! Fit after self-cal, rms=0.051762Jy sigma=0.461042 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 (39, 6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000595326 Jy ! Component: 100 - total flux cleaned = 0.000597544 Jy ! Component: 150 - total flux cleaned = 0.000526569 Jy ! Component: 200 - total flux cleaned = 0.000478893 Jy ! Total flux subtracted in 200 components = 0.000478893 Jy ! Clean residual min=-0.000658 max=0.000675 Jy/beam ! Clean residual mean=-0.000001 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0348786 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 70 components and 0.0348786 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=0.051745Jy sigma=0.460900 ! Fit after self-cal, rms=0.051748Jy sigma=0.460851 ! 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=0.051748Jy sigma=0.460851 ! Fit after self-cal, rms=0.051774Jy sigma=0.460707 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.113 mas, bmaj=1.724 mas, bpa=2.668 degrees ! Estimated noise=0.385372 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000704186 Jy ! Component: 100 - total flux cleaned = 0.000761054 Jy ! Component: 150 - total flux cleaned = 0.000746142 Jy ! Component: 200 - total flux cleaned = 0.000719613 Jy ! Total flux subtracted in 200 components = 0.000719613 Jy ! Clean residual min=-0.000680 max=0.000687 Jy/beam ! Clean residual mean=-0.000001 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.0355982 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 80 components and 0.0355982 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=0.051760Jy sigma=0.460590 ! Fit after self-cal, rms=0.051793Jy sigma=0.460488 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 = 0.000220066 Jy ! Component: 100 - total flux cleaned = 0.000204996 Jy ! Component: 150 - total flux cleaned = 0.000177085 Jy ! Component: 200 - total flux cleaned = 0.000151574 Jy ! Total flux subtracted in 200 components = 0.000151574 Jy ! Clean residual min=-0.000672 max=0.000673 Jy/beam ! Clean residual mean=-0.000001 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 0.0357498 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 88 components and 0.0357498 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=0.051784Jy sigma=0.460417 ! Fit after self-cal, rms=0.051787Jy sigma=0.460399 ! 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=0.051787Jy sigma=0.460399 ! Fit after self-cal, rms=0.051786Jy sigma=0.460343 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.225 mas, bmaj=2.717 mas, bpa=5.884 degrees ! Estimated noise=0.472004 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000422138 Jy ! Component: 100 - total flux cleaned = 0.00047352 Jy ! Component: 150 - total flux cleaned = 0.000503462 Jy ! Component: 200 - total flux cleaned = 0.000511889 Jy ! Total flux subtracted in 200 components = 0.000511889 Jy ! Clean residual min=-0.000831 max=0.000809 Jy/beam ! Clean residual mean=-0.000002 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0362617 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 97 components and 0.0362617 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=0.051781Jy sigma=0.460307 ! Fit after self-cal, rms=0.051798Jy sigma=0.460255 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 = -3.43786e-05 Jy ! Component: 100 - total flux cleaned = -3.47602e-05 Jy ! Component: 150 - total flux cleaned = -3.49159e-05 Jy ! Component: 200 - total flux cleaned = -4.25843e-05 Jy ! Total flux subtracted in 200 components = -4.25843e-05 Jy ! Clean residual min=-0.000851 max=0.000821 Jy/beam ! Clean residual mean=-0.000002 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0362191 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 105 components and 0.0362191 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=0.051795Jy sigma=0.460237 ! Fit after self-cal, rms=0.051795Jy sigma=0.460222 ! 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=1.105 mas, bmaj=1.717 mas, bpa=2.819 degrees ! Estimated noise=0.384195 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.105 x 1.717 at 2.819 degrees (North through East) ! Clean map min=-0.00068679 max=0.02989 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=0.8652 mas, bmaj=1.363 mas, bpa=-1.202 degrees ! Estimated noise=0.804457 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0232727 Jy ! Component: 100 - total flux cleaned = 0.0297013 Jy ! Component: 150 - total flux cleaned = 0.0328616 Jy ! Component: 200 - total flux cleaned = 0.0347588 Jy ! Total flux subtracted in 200 components = 0.0347588 Jy ! Clean residual min=-0.001671 max=0.001582 Jy/beam ! Clean residual mean=0.000000 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.0347588 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0347588 Jy ! Inverting map and beam ! Estimated beam: bmin=1.105 mas, bmaj=1.717 mas, bpa=2.819 degrees ! Estimated noise=0.384195 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 = 0.000858413 Jy ! Component: 100 - total flux cleaned = 0.000925129 Jy ! Component: 150 - total flux cleaned = 0.000954639 Jy ! Component: 200 - total flux cleaned = 0.000983128 Jy ! Total flux subtracted in 200 components = 0.000983128 Jy ! Clean residual min=-0.000807 max=0.000752 Jy/beam ! Clean residual mean=-0.000001 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0357419 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 34 components and 0.0357419 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=2.225 mas, bmaj=2.717 mas, bpa=5.884 degrees ! Estimated noise=0.472004 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000308861 Jy ! Component: 100 - total flux cleaned = 0.000395796 Jy ! Component: 150 - total flux cleaned = 0.000408094 Jy ! Component: 200 - total flux cleaned = 0.000407782 Jy ! Total flux subtracted in 200 components = 0.000407782 Jy ! Clean residual min=-0.000861 max=0.000822 Jy/beam ! Clean residual mean=-0.000002 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.0361497 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 = 1.00052e-05 Jy ! Component: 100 - total flux cleaned = 1.02751e-05 Jy ! Component: 150 - total flux cleaned = 1.07482e-05 Jy ! Component: 200 - total flux cleaned = 1.11851e-05 Jy ! Total flux subtracted in 200 components = 1.11851e-05 Jy ! Clean residual min=-0.000864 max=0.000812 Jy/beam ! Clean residual mean=-0.000002 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0361609 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 59 components and 0.0361609 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.105 mas, bmaj=1.717 mas, bpa=2.819 degrees ! Estimated noise=0.384195 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00015001 Jy ! Component: 100 - total flux cleaned = -0.000130047 Jy ! Component: 150 - total flux cleaned = -9.33874e-05 Jy ! Component: 200 - total flux cleaned = -9.33541e-05 Jy ! Total flux subtracted in 200 components = -9.33541e-05 Jy ! Clean residual min=-0.000743 max=0.000680 Jy/beam ! Clean residual mean=-0.000001 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.0360675 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.0360675 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=0.051802Jy sigma=0.460352 ! Fit after self-cal, rms=0.051783Jy sigma=0.460294 wmodel J1834+2051_X_map.mod ! Writing 70 model components to file: J1834+2051_X_map.mod wobs J1834+2051_X_uvs.fits ! Writing UV FITS file: J1834+2051_X_uvs.fits wwins J1834+2051_X_map.win ! wwins: Wrote 3 windows to J1834+2051_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -7.01518e-05 Jy ! Component: 100 - total flux cleaned = -3.36908e-05 Jy ! Component: 150 - total flux cleaned = 1.4862e-06 Jy ! Component: 200 - total flux cleaned = 3.53607e-05 Jy ! Component: 250 - total flux cleaned = 2.42479e-05 Jy ! Component: 300 - total flux cleaned = 2.45361e-05 Jy ! Component: 350 - total flux cleaned = 5.62672e-05 Jy ! Component: 400 - total flux cleaned = 4.5807e-05 Jy ! Component: 450 - total flux cleaned = 5.58791e-05 Jy ! Component: 500 - total flux cleaned = 5.57067e-05 Jy ! Component: 550 - total flux cleaned = 4.57583e-05 Jy ! Component: 600 - total flux cleaned = 3.61898e-05 Jy ! Component: 650 - total flux cleaned = 3.63958e-05 Jy ! Component: 700 - total flux cleaned = 2.72876e-05 Jy ! Component: 750 - total flux cleaned = 2.73646e-05 Jy ! Component: 800 - total flux cleaned = 3.64348e-05 Jy ! Component: 850 - total flux cleaned = 9.37508e-06 Jy ! Component: 900 - total flux cleaned = -8.13601e-06 Jy ! Component: 950 - total flux cleaned = 3.55853e-05 Jy ! Component: 1000 - total flux cleaned = 4.41424e-05 Jy ! Component: 1050 - total flux cleaned = 6.13675e-05 Jy ! Component: 1100 - total flux cleaned = 7.83305e-05 Jy ! Component: 1150 - total flux cleaned = 0.000120147 Jy ! Component: 1200 - total flux cleaned = 0.000128463 Jy ! Component: 1250 - total flux cleaned = 0.000177622 Jy ! Component: 1300 - total flux cleaned = 0.000169507 Jy ! Component: 1350 - total flux cleaned = 0.000177532 Jy ! Component: 1400 - total flux cleaned = 0.000201279 Jy ! Component: 1450 - total flux cleaned = 0.000216949 Jy ! Component: 1500 - total flux cleaned = 0.000216864 Jy ! Component: 1550 - total flux cleaned = 0.000216903 Jy ! Component: 1600 - total flux cleaned = 0.000239797 Jy ! Component: 1650 - total flux cleaned = 0.000285039 Jy ! Component: 1700 - total flux cleaned = 0.000292552 Jy ! Component: 1750 - total flux cleaned = 0.000262801 Jy ! Component: 1800 - total flux cleaned = 0.000270221 Jy ! Component: 1850 - total flux cleaned = 0.000306568 Jy ! Component: 1900 - total flux cleaned = 0.000263204 Jy ! Component: 1950 - total flux cleaned = 0.000306176 Jy ! Component: 2000 - total flux cleaned = 0.000320358 Jy ! Component: 2050 - total flux cleaned = 0.000320352 Jy ! Component: 2100 - total flux cleaned = 0.000369244 Jy ! Component: 2150 - total flux cleaned = 0.000376171 Jy ! Component: 2200 - total flux cleaned = 0.000376087 Jy ! Component: 2250 - total flux cleaned = 0.000382863 Jy ! Component: 2300 - total flux cleaned = 0.000362499 Jy ! Component: 2350 - total flux cleaned = 0.000396246 Jy ! Component: 2400 - total flux cleaned = 0.000402925 Jy ! Component: 2450 - total flux cleaned = 0.000383078 Jy ! Component: 2500 - total flux cleaned = 0.000402888 Jy ! Component: 2550 - total flux cleaned = 0.000402899 Jy ! Component: 2600 - total flux cleaned = 0.000383313 Jy ! Component: 2650 - total flux cleaned = 0.000422205 Jy ! Component: 2700 - total flux cleaned = 0.000441373 Jy ! Component: 2750 - total flux cleaned = 0.000447741 Jy ! Component: 2800 - total flux cleaned = 0.000454151 Jy ! Component: 2850 - total flux cleaned = 0.00046043 Jy ! Component: 2900 - total flux cleaned = 0.000466692 Jy ! Component: 2950 - total flux cleaned = 0.000472916 Jy ! Component: 3000 - total flux cleaned = 0.000479017 Jy ! Component: 3050 - total flux cleaned = 0.000491291 Jy ! Component: 3100 - total flux cleaned = 0.000472858 Jy ! Component: 3150 - total flux cleaned = 0.000485014 Jy ! Component: 3200 - total flux cleaned = 0.000485074 Jy ! Component: 3250 - total flux cleaned = 0.000479065 Jy ! Component: 3300 - total flux cleaned = 0.000485021 Jy ! Component: 3350 - total flux cleaned = 0.000502836 Jy ! Component: 3400 - total flux cleaned = 0.000479215 Jy ! Component: 3450 - total flux cleaned = 0.000485132 Jy ! Component: 3500 - total flux cleaned = 0.000514295 Jy ! Component: 3550 - total flux cleaned = 0.000502733 Jy ! Component: 3600 - total flux cleaned = 0.000525831 Jy ! Component: 3650 - total flux cleaned = 0.000514362 Jy ! Component: 3700 - total flux cleaned = 0.000485781 Jy ! Component: 3750 - total flux cleaned = 0.000508452 Jy ! Component: 3800 - total flux cleaned = 0.00049714 Jy ! Component: 3850 - total flux cleaned = 0.000480366 Jy ! Component: 3900 - total flux cleaned = 0.000480361 Jy ! Component: 3950 - total flux cleaned = 0.000485915 Jy ! Component: 4000 - total flux cleaned = 0.000463813 Jy ! Component: 4050 - total flux cleaned = 0.000463787 Jy ! Total flux subtracted in 4096 components = 0.000469235 Jy ! Clean residual min=-0.000316 max=0.000321 Jy/beam ! Clean residual mean=-0.000001 rms=0.000097 Jy/beam ! Combined flux in latest and established models = 0.0365368 Jy keep ! Adding 344 model components to the UV plane model. ! The established model now contains 414 components and 0.0365368 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1834+2051_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.105 x 1.717 at 2.819 degrees (North through East) ! Clean map min=-0.00068039 max=0.029561 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1834+2051_X_map.fits wmodel /image_prod/ug002_uva//J1834+2051_X_map.mod ! Writing 414 model components to file: /image_prod/ug002_uva//J1834+2051_X_map.mod wobs /image_prod/ug002_uva//J1834+2051_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1834+2051_X_uvs.fits wwins /image_prod/ug002_uva//J1834+2051_X_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J1834+2051_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0295609 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.65619e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.979963 0.979963 1.95993 3.91985 7.83971 15.6794 31.3588 62.7176 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.029 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 306.133 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1834+2051_X_dfm.log closed on Thu Mar 5 03:49:47 2020