! Started logfile: /image_prod/ug002_uva//J0946-2020_X_dfm.log on Wed Mar 4 23:12:09 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//J0946-2020_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0946-2020_X_uva.fits ! AN table 1: 50 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.886111 visibilities/baseline/integration-bin. ! Found source: J0946-2020 ! ! 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 19140 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 J0946-2020_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 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002632Jy sigma=8.115577 ! Fit after self-cal, rms=0.958123Jy sigma=7.733589 ! 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=0.6063 mas, bmaj=1.65 mas, bpa=-5.794 degrees ! Estimated noise=1.19851 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 = 0.0289916 Jy ! Component: 100 - total flux cleaned = 0.03857 Jy ! Total flux subtracted in 100 components = 0.03857 Jy ! Clean residual min=-0.004238 max=0.007119 Jy/beam ! Clean residual mean=-0.000007 rms=0.001286 Jy/beam ! Combined flux in latest and established models = 0.03857 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.03857 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=0.069599Jy sigma=0.540607 ! Fit after self-cal, rms=0.068184Jy sigma=0.528747 ! 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=0.7545 mas, bmaj=1.938 mas, bpa=-4.939 degrees ! Estimated noise=0.643814 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 = 0.0144173 Jy ! Component: 100 - total flux cleaned = 0.0219903 Jy ! Component: 150 - total flux cleaned = 0.0262908 Jy ! Component: 200 - total flux cleaned = 0.0287777 Jy ! Total flux subtracted in 200 components = 0.0287777 Jy ! Clean residual min=-0.005213 max=0.007119 Jy/beam ! Clean residual mean=-0.000021 rms=0.001587 Jy/beam ! Combined flux in latest and established models = 0.0673478 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 39 components and 0.0673478 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=0.065570Jy sigma=0.500863 ! Fit after self-cal, rms=0.065440Jy sigma=0.499111 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7545 x 1.938 at -4.939 degrees (North through East) ! Clean map min=-0.0053575 max=0.043699 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.66 KP 0.94 ! LA 0.79 MK 1.28 NL 1.52 OV 0.87 ! SC 1.42 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 1.58 KP 0.94 ! LA 0.82 MK 1.12 NL 1.71 OV 0.83 ! SC 1.31 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.37 KP 0.91 ! LA 0.84 MK 1.22 NL 1.54 OV 0.89 ! SC 1.25 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.05 HN 1.37 KP 0.94 ! LA 0.83 MK 1.14 NL 1.51 OV 0.82 ! SC 1.21 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.91 HN 1.49 KP 1.02 ! LA 0.74 MK 1.09 NL 1.59 OV 0.98 ! SC 1.20 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 1.34 KP 0.96 ! LA 0.83 MK 1.03 NL 1.44 OV 0.88 ! SC 1.04 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.07 KP 0.91 ! LA 0.78 MK 1.12 NL 1.56 OV 0.96 ! SC 1.13 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.92 HN 1.29 KP 0.97 ! LA 0.73 MK 1.04 NL 1.55 OV 0.97 ! SC 1.16 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.17 KP 0.98 ! LA 0.80 MK 1.04 NL 1.53 OV 0.91 ! SC 1.07 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 1.15 KP 0.95 ! LA 0.76 MK 1.01 NL 1.55 OV 0.97 ! SC 1.19 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.05 KP 0.93 ! LA 0.80 MK 1.11 NL 1.63 OV 0.95 ! SC 1.04 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 1.18 KP 0.93 ! LA 0.81 MK 0.74 NL 1.60 OV 0.86 ! SC 1.04 ! ! ! Fit before self-cal, rms=0.065440Jy sigma=0.499111 ! Fit after self-cal, rms=0.073668Jy sigma=0.488474 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7943 mas, bmaj=2.003 mas, bpa=-5.095 degrees ! Estimated noise=0.66192 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 = -0.000381535 Jy ! Component: 100 - total flux cleaned = -0.000344118 Jy ! Component: 150 - total flux cleaned = -0.000310522 Jy ! Component: 200 - total flux cleaned = -0.000281824 Jy ! Total flux subtracted in 200 components = -0.000281824 Jy ! Clean residual min=-0.003749 max=0.005550 Jy/beam ! Clean residual mean=-0.000020 rms=0.001275 Jy/beam ! Combined flux in latest and established models = 0.0670659 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 41 components and 0.0670659 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=0.073621Jy sigma=0.488302 ! Fit after self-cal, rms=0.074207Jy sigma=0.486892 ! 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=0.074207Jy sigma=0.486892 ! Fit after self-cal, rms=0.077706Jy sigma=0.485896 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8056 mas, bmaj=2.017 mas, bpa=-5.153 degrees ! Estimated noise=0.672478 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.67292e-05 Jy ! Component: 100 - total flux cleaned = 1.51126e-05 Jy ! Component: 150 - total flux cleaned = 4.28749e-05 Jy ! Component: 200 - total flux cleaned = 4.2304e-05 Jy ! Total flux subtracted in 200 components = 4.2304e-05 Jy ! Clean residual min=-0.003706 max=0.005160 Jy/beam ! Clean residual mean=-0.000019 rms=0.001264 Jy/beam ! Combined flux in latest and established models = 0.0671082 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 42 components and 0.0671082 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=0.077673Jy sigma=0.485747 ! Fit after self-cal, rms=0.077739Jy sigma=0.485526 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 = 3.31651e-05 Jy ! Component: 100 - total flux cleaned = 6.20118e-05 Jy ! Component: 150 - total flux cleaned = 8.7155e-05 Jy ! Component: 200 - total flux cleaned = 8.64965e-05 Jy ! Total flux subtracted in 200 components = 8.64965e-05 Jy ! Clean residual min=-0.003759 max=0.005077 Jy/beam ! Clean residual mean=-0.000019 rms=0.001264 Jy/beam ! Combined flux in latest and established models = 0.0671947 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 0.0671947 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=0.077714Jy sigma=0.485403 ! Fit after self-cal, rms=0.077694Jy sigma=0.485384 ! 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=0.077694Jy sigma=0.485384 ! Fit after self-cal, rms=0.079062Jy sigma=0.485320 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8083 mas, bmaj=2.03 mas, bpa=-5.049 degrees ! Estimated noise=0.680753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000331637 Jy ! Component: 100 - total flux cleaned = 0.000364073 Jy ! Component: 150 - total flux cleaned = 0.00039377 Jy ! Component: 200 - total flux cleaned = 0.000420349 Jy ! Total flux subtracted in 200 components = 0.000420349 Jy ! Clean residual min=-0.003751 max=0.005050 Jy/beam ! Clean residual mean=-0.000019 rms=0.001274 Jy/beam ! Combined flux in latest and established models = 0.0676151 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 45 components and 0.0676151 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=0.079030Jy sigma=0.485166 ! Fit after self-cal, rms=0.079040Jy sigma=0.485124 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 = 6.1955e-05 Jy ! Component: 100 - total flux cleaned = 6.13678e-05 Jy ! Component: 150 - total flux cleaned = 8.72464e-05 Jy ! Component: 200 - total flux cleaned = 8.72291e-05 Jy ! Total flux subtracted in 200 components = 8.72291e-05 Jy ! Clean residual min=-0.003733 max=0.005019 Jy/beam ! Clean residual mean=-0.000019 rms=0.001272 Jy/beam ! Combined flux in latest and established models = 0.0677023 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 45 components and 0.0677023 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=0.079016Jy sigma=0.485010 ! Fit after self-cal, rms=0.078989Jy sigma=0.484994 ! 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=0.078989Jy sigma=0.484994 ! Fit after self-cal, rms=0.079332Jy sigma=0.484976 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.312 mas, bmaj=4.515 mas, bpa=2.135 degrees ! Estimated noise=0.819751 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00199747 Jy ! Component: 100 - total flux cleaned = 0.00220636 Jy ! Component: 150 - total flux cleaned = 0.00226296 Jy ! Component: 200 - total flux cleaned = 0.00229088 Jy ! Total flux subtracted in 200 components = 0.00229088 Jy ! Clean residual min=-0.006509 max=0.009533 Jy/beam ! Clean residual mean=-0.000040 rms=0.002486 Jy/beam ! Combined flux in latest and established models = 0.0699932 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 45 components and 0.0699932 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=0.079344Jy sigma=0.484997 ! Fit after self-cal, rms=0.079348Jy sigma=0.484909 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 = -4.5943e-05 Jy ! Component: 100 - total flux cleaned = -4.6308e-05 Jy ! Component: 150 - total flux cleaned = 2.5278e-06 Jy ! Component: 200 - total flux cleaned = 3.67526e-06 Jy ! Total flux subtracted in 200 components = 3.67526e-06 Jy ! Clean residual min=-0.006529 max=0.009496 Jy/beam ! Clean residual mean=-0.000040 rms=0.002485 Jy/beam ! Combined flux in latest and established models = 0.0699969 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 45 components and 0.0699969 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=0.079350Jy sigma=0.484956 ! Fit after self-cal, rms=0.079340Jy sigma=0.484920 ! 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=0.8082 mas, bmaj=2.041 mas, bpa=-4.929 degrees ! Estimated noise=0.686156 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8082 x 2.041 at -4.929 degrees (North through East) ! Clean map min=-0.0034876 max=0.045056 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=0.6355 mas, bmaj=1.69 mas, bpa=-5.516 degrees ! Estimated noise=1.35841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0330465 Jy ! Component: 100 - total flux cleaned = 0.0462591 Jy ! Component: 150 - total flux cleaned = 0.053824 Jy ! Component: 200 - total flux cleaned = 0.0583353 Jy ! Total flux subtracted in 200 components = 0.0583353 Jy ! Clean residual min=-0.003912 max=0.003980 Jy/beam ! Clean residual mean=-0.000005 rms=0.001024 Jy/beam ! Combined flux in latest and established models = 0.0583353 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0583353 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8082 mas, bmaj=2.041 mas, bpa=-4.929 degrees ! Estimated noise=0.686156 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 = 0.00490242 Jy ! Component: 100 - total flux cleaned = 0.00722451 Jy ! Component: 150 - total flux cleaned = 0.00836704 Jy ! Component: 200 - total flux cleaned = 0.00847318 Jy ! Total flux subtracted in 200 components = 0.00847318 Jy ! Clean residual min=-0.003932 max=0.005010 Jy/beam ! Clean residual mean=-0.000019 rms=0.001289 Jy/beam ! Combined flux in latest and established models = 0.0668085 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 26 components and 0.0668085 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=2.312 mas, bmaj=4.515 mas, bpa=2.135 degrees ! Estimated noise=0.819751 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00216347 Jy ! Component: 100 - total flux cleaned = 0.00269729 Jy ! Component: 150 - total flux cleaned = 0.00272246 Jy ! Component: 200 - total flux cleaned = 0.00277034 Jy ! Total flux subtracted in 200 components = 0.00277034 Jy ! Clean residual min=-0.006567 max=0.009451 Jy/beam ! Clean residual mean=-0.000040 rms=0.002487 Jy/beam ! Combined flux in latest and established models = 0.0695788 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 = 2.1542e-05 Jy ! Component: 100 - total flux cleaned = 2.32657e-05 Jy ! Component: 150 - total flux cleaned = 4.36337e-05 Jy ! Component: 200 - total flux cleaned = 4.55758e-05 Jy ! Total flux subtracted in 200 components = 4.55758e-05 Jy ! Clean residual min=-0.006558 max=0.009431 Jy/beam ! Clean residual mean=-0.000040 rms=0.002482 Jy/beam ! Combined flux in latest and established models = 0.0696244 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 29 components and 0.0696244 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8082 mas, bmaj=2.041 mas, bpa=-4.929 degrees ! Estimated noise=0.686156 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00140065 Jy ! Component: 100 - total flux cleaned = -0.00156473 Jy ! Component: 150 - total flux cleaned = -0.00160351 Jy ! Component: 200 - total flux cleaned = -0.00160314 Jy ! Total flux subtracted in 200 components = -0.00160314 Jy ! Clean residual min=-0.003691 max=0.004957 Jy/beam ! Clean residual mean=-0.000019 rms=0.001273 Jy/beam ! Combined flux in latest and established models = 0.0680213 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 39 components and 0.0680213 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=0.079294Jy sigma=0.484677 ! Fit after self-cal, rms=0.079208Jy sigma=0.484578 wmodel J0946-2020_X_map.mod ! Writing 39 model components to file: J0946-2020_X_map.mod wobs J0946-2020_X_uvs.fits ! Writing UV FITS file: J0946-2020_X_uvs.fits wwins J0946-2020_X_map.win ! wwins: Wrote 1 windows to J0946-2020_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00228018 Jy ! Component: 100 - total flux cleaned = 0.00428012 Jy ! Component: 150 - total flux cleaned = 0.00610807 Jy ! Component: 200 - total flux cleaned = 0.0076766 Jy ! Component: 250 - total flux cleaned = 0.00895875 Jy ! Component: 300 - total flux cleaned = 0.00986913 Jy ! Component: 350 - total flux cleaned = 0.0106782 Jy ! Component: 400 - total flux cleaned = 0.0114541 Jy ! Component: 450 - total flux cleaned = 0.0121996 Jy ! Component: 500 - total flux cleaned = 0.0129157 Jy ! Component: 550 - total flux cleaned = 0.0135054 Jy ! Component: 600 - total flux cleaned = 0.0141689 Jy ! Component: 650 - total flux cleaned = 0.0147643 Jy ! Component: 700 - total flux cleaned = 0.0153818 Jy ! Component: 750 - total flux cleaned = 0.0157662 Jy ! Component: 800 - total flux cleaned = 0.0161385 Jy ! Component: 850 - total flux cleaned = 0.0164975 Jy ! Component: 900 - total flux cleaned = 0.0166135 Jy ! Component: 950 - total flux cleaned = 0.0168038 Jy ! Component: 1000 - total flux cleaned = 0.0170614 Jy ! Component: 1050 - total flux cleaned = 0.0173118 Jy ! Component: 1100 - total flux cleaned = 0.0174852 Jy ! Component: 1150 - total flux cleaned = 0.0175534 Jy ! Component: 1200 - total flux cleaned = 0.0176856 Jy ! Component: 1250 - total flux cleaned = 0.0177171 Jy ! Component: 1300 - total flux cleaned = 0.0178108 Jy ! Component: 1350 - total flux cleaned = 0.0179939 Jy ! Component: 1400 - total flux cleaned = 0.018173 Jy ! Component: 1450 - total flux cleaned = 0.0182606 Jy ! Component: 1500 - total flux cleaned = 0.0184888 Jy ! Component: 1550 - total flux cleaned = 0.0186279 Jy ! Component: 1600 - total flux cleaned = 0.0187104 Jy ! Component: 1650 - total flux cleaned = 0.0188442 Jy ! Component: 1700 - total flux cleaned = 0.018923 Jy ! Component: 1750 - total flux cleaned = 0.0190775 Jy ! Component: 1800 - total flux cleaned = 0.0191272 Jy ! Component: 1850 - total flux cleaned = 0.0192255 Jy ! Component: 1900 - total flux cleaned = 0.0192979 Jy ! Component: 1950 - total flux cleaned = 0.0193692 Jy ! Component: 2000 - total flux cleaned = 0.0194851 Jy ! Component: 2050 - total flux cleaned = 0.0196667 Jy ! Component: 2100 - total flux cleaned = 0.019711 Jy ! Component: 2150 - total flux cleaned = 0.0198205 Jy ! Component: 2200 - total flux cleaned = 0.0199274 Jy ! Component: 2250 - total flux cleaned = 0.0200113 Jy ! Component: 2300 - total flux cleaned = 0.0200523 Jy ! Component: 2350 - total flux cleaned = 0.0201136 Jy ! Component: 2400 - total flux cleaned = 0.0201734 Jy ! Component: 2450 - total flux cleaned = 0.0203501 Jy ! Component: 2500 - total flux cleaned = 0.020369 Jy ! Component: 2550 - total flux cleaned = 0.0204073 Jy ! Component: 2600 - total flux cleaned = 0.0205011 Jy ! Component: 2650 - total flux cleaned = 0.0205192 Jy ! Component: 2700 - total flux cleaned = 0.0205376 Jy ! Component: 2750 - total flux cleaned = 0.0205557 Jy ! Component: 2800 - total flux cleaned = 0.0206263 Jy ! Component: 2850 - total flux cleaned = 0.0206438 Jy ! Component: 2900 - total flux cleaned = 0.0206436 Jy ! Component: 2950 - total flux cleaned = 0.0206772 Jy ! Component: 3000 - total flux cleaned = 0.0205938 Jy ! Component: 3050 - total flux cleaned = 0.0205442 Jy ! Component: 3100 - total flux cleaned = 0.0204462 Jy ! Component: 3150 - total flux cleaned = 0.020398 Jy ! Component: 3200 - total flux cleaned = 0.0203182 Jy ! Component: 3250 - total flux cleaned = 0.0202708 Jy ! Component: 3300 - total flux cleaned = 0.0201464 Jy ! Component: 3350 - total flux cleaned = 0.0201003 Jy ! Component: 3400 - total flux cleaned = 0.0199785 Jy ! Component: 3450 - total flux cleaned = 0.019888 Jy ! Component: 3500 - total flux cleaned = 0.0197238 Jy ! Component: 3550 - total flux cleaned = 0.0196203 Jy ! Component: 3600 - total flux cleaned = 0.0195173 Jy ! Component: 3650 - total flux cleaned = 0.0193864 Jy ! Component: 3700 - total flux cleaned = 0.0192566 Jy ! Component: 3750 - total flux cleaned = 0.0191995 Jy ! Component: 3800 - total flux cleaned = 0.0191 Jy ! Component: 3850 - total flux cleaned = 0.0190014 Jy ! Component: 3900 - total flux cleaned = 0.0189034 Jy ! Component: 3950 - total flux cleaned = 0.0188338 Jy ! Component: 4000 - total flux cleaned = 0.0186956 Jy ! Component: 4050 - total flux cleaned = 0.018627 Jy ! Total flux subtracted in 4096 components = 0.0185315 Jy ! Clean residual min=-0.000773 max=0.000905 Jy/beam ! Clean residual mean=-0.000004 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.0865527 Jy keep ! Adding 382 model components to the UV plane model. ! The established model now contains 421 components and 0.0865528 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0946-2020_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8082 x 2.041 at -4.929 degrees (North through East) ! Clean map min=-0.0015321 max=0.045725 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0946-2020_X_map.fits wmodel /image_prod/ug002_uva//J0946-2020_X_map.mod ! Writing 421 model components to file: /image_prod/ug002_uva//J0946-2020_X_map.mod wobs /image_prod/ug002_uva//J0946-2020_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0946-2020_X_uvs.fits wwins /image_prod/ug002_uva//J0946-2020_X_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J0946-2020_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0457253 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000225498 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.47947 1.47947 2.95894 5.91789 11.8358 23.6716 47.3431 94.6862 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.045 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 202.775 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0946-2020_X_dfm.log closed on Wed Mar 4 23:12:13 2020