! Started logfile: .//J1802-1639_C_dfm.log on Mon Jan 20 18:43:05 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1802-1639_C_uva.fits ! Reading UV FITS file: .//J1802-1639_C_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.966013 visibilities/baseline/integration-bin. ! Found source: J1802-1639 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 5912 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1802-1639_C] 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 0.300x0.300 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. ! ! Fit before self-cal, rms=1.002652Jy sigma=19.956015 ! Fit after self-cal, rms=0.967418Jy sigma=19.212910 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.231 mas, bmaj=3.453 mas, bpa=0.4325 degrees ! Estimated noise=0.762133 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 = 0.023792 Jy ! Component: 100 - total flux cleaned = 0.0327914 Jy ! Total flux subtracted in 100 components = 0.0327914 Jy ! Clean residual min=-0.004243 max=0.005896 Jy/beam ! Clean residual mean=0.000005 rms=0.001098 Jy/beam ! Combined flux in latest and established models = 0.0327914 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 23 components and 0.0327914 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. ! ! Fit before self-cal, rms=0.053675Jy sigma=0.864393 ! Fit after self-cal, rms=0.052340Jy sigma=0.835498 ! 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=1.562 mas, bmaj=4.123 mas, bpa=-1.238 degrees ! Estimated noise=0.47783 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 = 0.00937966 Jy ! Component: 100 - total flux cleaned = 0.0142254 Jy ! Component: 150 - total flux cleaned = 0.0168238 Jy ! Component: 200 - total flux cleaned = 0.0182297 Jy ! Total flux subtracted in 200 components = 0.0182297 Jy ! Clean residual min=-0.005198 max=0.005153 Jy/beam ! Clean residual mean=0.000000 rms=0.000942 Jy/beam ! Combined flux in latest and established models = 0.051021 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 34 components and 0.051021 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. ! ! Fit before self-cal, rms=0.050913Jy sigma=0.790992 ! Fit after self-cal, rms=0.050901Jy sigma=0.790039 ! Inverting map ! Added new window around map position (2.4, -3.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00349914 Jy ! Component: 100 - total flux cleaned = 0.00400712 Jy ! Component: 150 - total flux cleaned = 0.00409343 Jy ! Component: 200 - total flux cleaned = 0.00430594 Jy ! Total flux subtracted in 200 components = 0.00430594 Jy ! Clean residual min=-0.004381 max=0.003079 Jy/beam ! Clean residual mean=-0.000001 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 0.055327 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 55 components and 0.055327 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. ! ! Fit before self-cal, rms=0.050328Jy sigma=0.775180 ! Fit after self-cal, rms=0.050137Jy sigma=0.772785 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.562 x 4.123 at -1.238 degrees (North through East) ! Clean map min=-0.0042683 max=0.033295 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.00 HN 1.33 KP 1.15 ! LA 1.06 MK 1.03 NL 0.64 OV 1.12 ! PT 0.88 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.38 FD 1.08 HN 1.03 KP 0.97 ! LA 0.91 MK 1.14 NL 0.68 OV 1.04 ! PT 0.95 SC 1.31 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.23 HN 1.04 KP 1.05 ! LA 1.06 MK 0.93 NL 0.83 OV 1.02 ! PT 0.87 SC 0.76 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.05 HN 1.11 KP 1.02 ! LA 1.02 MK 1.04 NL 0.85 OV 1.13 ! PT 0.96 SC 0.88 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.79 FD 1.11 HN 1.28 KP 1.07 ! LA 0.98 MK 1.06 NL 0.78 OV 1.08 ! PT 0.98 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.28 FD 1.11 HN 1.20 KP 1.05 ! LA 1.06 MK 0.96 NL 0.87 OV 1.21 ! PT 0.92 SC 0.83 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.06 HN 1.19 KP 1.00 ! LA 1.04 MK 1.03 NL 0.81 OV 1.11 ! PT 1.11 SC 1.16 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.36 FD 1.10 HN 1.35 KP 0.96 ! LA 1.05 MK 1.28 NL 0.81 OV 0.98 ! PT 1.01 SC 1.05 ! ! ! Fit before self-cal, rms=0.050137Jy sigma=0.772785 ! Fit after self-cal, rms=0.049886Jy sigma=0.756576 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.57 mas, bmaj=4.118 mas, bpa=-0.8228 degrees ! Estimated noise=0.48856 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 = 0.0013609 Jy ! Component: 100 - total flux cleaned = 0.0019502 Jy ! Component: 150 - total flux cleaned = 0.00203698 Jy ! Component: 200 - total flux cleaned = 0.00213861 Jy ! Total flux subtracted in 200 components = 0.00213861 Jy ! Clean residual min=-0.001949 max=0.002356 Jy/beam ! Clean residual mean=0.000000 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.0574656 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 65 components and 0.0574656 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. ! ! Fit before self-cal, rms=0.049827Jy sigma=0.755423 ! Fit after self-cal, rms=0.050047Jy sigma=0.753882 ! 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. ! ! Fit before self-cal, rms=0.050047Jy sigma=0.753882 ! Fit after self-cal, rms=0.049913Jy sigma=0.753388 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.57 mas, bmaj=4.115 mas, bpa=-1.012 degrees ! Estimated noise=0.490813 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110375 Jy ! Component: 100 - total flux cleaned = 0.00164639 Jy ! Component: 150 - total flux cleaned = 0.00173899 Jy ! Component: 200 - total flux cleaned = 0.00177951 Jy ! Total flux subtracted in 200 components = 0.00177951 Jy ! Clean residual min=-0.001868 max=0.002423 Jy/beam ! Clean residual mean=0.000000 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.0592451 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 70 components and 0.0592451 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. ! ! Fit before self-cal, rms=0.049875Jy sigma=0.752612 ! Fit after self-cal, rms=0.049907Jy sigma=0.752481 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 (-19.8, 11.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00217783 Jy ! Component: 100 - total flux cleaned = 0.00318199 Jy ! Component: 150 - total flux cleaned = 0.00391532 Jy ! Component: 200 - total flux cleaned = 0.00434123 Jy ! Total flux subtracted in 200 components = 0.00434123 Jy ! Clean residual min=-0.001987 max=0.002139 Jy/beam ! Clean residual mean=0.000001 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.0635863 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 108 components and 0.0635863 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. ! ! Fit before self-cal, rms=0.049808Jy sigma=0.750220 ! Fit after self-cal, rms=0.049805Jy sigma=0.749962 ! Inverting map ! Added new window around map position (-7.2, -67.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187374 Jy ! Component: 100 - total flux cleaned = 0.00211326 Jy ! Component: 150 - total flux cleaned = 0.00223921 Jy ! Component: 200 - total flux cleaned = 0.00246102 Jy ! Total flux subtracted in 200 components = 0.00246102 Jy ! Clean residual min=-0.001866 max=0.001783 Jy/beam ! Clean residual mean=0.000001 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.0660473 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 125 components and 0.0660473 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. ! ! Fit before self-cal, rms=0.049703Jy sigma=0.748059 ! Fit after self-cal, rms=0.049716Jy sigma=0.747767 ! 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. ! ! Fit before self-cal, rms=0.049716Jy sigma=0.747767 ! Fit after self-cal, rms=0.049751Jy sigma=0.747380 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.578 mas, bmaj=4.129 mas, bpa=-1.263 degrees ! Estimated noise=0.492826 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000747049 Jy ! Component: 100 - total flux cleaned = 0.000998816 Jy ! Component: 150 - total flux cleaned = 0.0012216 Jy ! Component: 200 - total flux cleaned = 0.00140203 Jy ! Total flux subtracted in 200 components = 0.00140203 Jy ! Clean residual min=-0.001729 max=0.001854 Jy/beam ! Clean residual mean=0.000001 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.0674494 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 130 components and 0.0674494 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. ! ! Fit before self-cal, rms=0.049711Jy sigma=0.746790 ! Fit after self-cal, rms=0.049757Jy sigma=0.746701 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 (58.2, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015949 Jy ! Component: 100 - total flux cleaned = 0.00232325 Jy ! Component: 150 - total flux cleaned = 0.00279774 Jy ! Component: 200 - total flux cleaned = 0.00313754 Jy ! Total flux subtracted in 200 components = 0.00313754 Jy ! Clean residual min=-0.001711 max=0.001698 Jy/beam ! Clean residual mean=0.000000 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.0705869 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 153 components and 0.0705869 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. ! ! Fit before self-cal, rms=0.049686Jy sigma=0.745578 ! Fit after self-cal, rms=0.049666Jy sigma=0.745408 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.049666Jy sigma=0.745408 ! Fit after self-cal, rms=0.049490Jy sigma=0.745274 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.724 mas, bmaj=8.344 mas, bpa=2.714 degrees ! Estimated noise=0.615765 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000755991 Jy ! Component: 100 - total flux cleaned = 0.00120014 Jy ! Component: 150 - total flux cleaned = 0.0014684 Jy ! Component: 200 - total flux cleaned = 0.00166974 Jy ! Total flux subtracted in 200 components = 0.00166974 Jy ! Clean residual min=-0.002007 max=0.001872 Jy/beam ! Clean residual mean=-0.000000 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.0722566 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 173 components and 0.0722566 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. ! ! Fit before self-cal, rms=0.049485Jy sigma=0.745048 ! Fit after self-cal, rms=0.049497Jy sigma=0.744995 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 = 0.00024752 Jy ! Component: 100 - total flux cleaned = 0.000359881 Jy ! Component: 150 - total flux cleaned = 0.000481877 Jy ! Component: 200 - total flux cleaned = 0.000595678 Jy ! Total flux subtracted in 200 components = 0.000595678 Jy ! Clean residual min=-0.001968 max=0.001915 Jy/beam ! Clean residual mean=-0.000000 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.0728523 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 182 components and 0.0728523 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. ! ! Fit before self-cal, rms=0.049495Jy sigma=0.744976 ! Fit after self-cal, rms=0.049499Jy sigma=0.744962 ! 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=1.581 mas, bmaj=4.136 mas, bpa=-1.441 degrees ! Estimated noise=0.493023 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.581 x 4.136 at -1.441 degrees (North through East) ! Clean map min=-0.0023606 max=0.03323 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.257 mas, bmaj=3.449 mas, bpa=0.3736 degrees ! Estimated noise=0.792959 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0255894 Jy ! Component: 100 - total flux cleaned = 0.0359217 Jy ! Component: 150 - total flux cleaned = 0.0421415 Jy ! Component: 200 - total flux cleaned = 0.0463656 Jy ! Total flux subtracted in 200 components = 0.0463656 Jy ! Clean residual min=-0.003415 max=0.002936 Jy/beam ! Clean residual mean=0.000004 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 0.0463656 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 38 model components to the UV plane model. ! The established model now contains 38 components and 0.0463656 Jy ! Inverting map and beam ! Estimated beam: bmin=1.581 mas, bmaj=4.136 mas, bpa=-1.441 degrees ! Estimated noise=0.493023 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 = 0.00521456 Jy ! Component: 100 - total flux cleaned = 0.00878187 Jy ! Component: 150 - total flux cleaned = 0.0116827 Jy ! Component: 200 - total flux cleaned = 0.0141264 Jy ! Total flux subtracted in 200 components = 0.0141264 Jy ! Clean residual min=-0.002268 max=0.002170 Jy/beam ! Clean residual mean=0.000003 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 0.060492 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 80 components and 0.060492 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.724 mas, bmaj=8.344 mas, bpa=2.714 degrees ! Estimated noise=0.615765 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00309345 Jy ! Component: 100 - total flux cleaned = 0.00521488 Jy ! Component: 150 - total flux cleaned = 0.00690558 Jy ! Component: 200 - total flux cleaned = 0.00831594 Jy ! Total flux subtracted in 200 components = 0.00831594 Jy ! Clean residual min=-0.002511 max=0.002331 Jy/beam ! Clean residual mean=0.000001 rms=0.000628 Jy/beam ! Combined flux in latest and established models = 0.068808 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 = 0.00102086 Jy ! Component: 100 - total flux cleaned = 0.00170626 Jy ! Component: 150 - total flux cleaned = 0.00213045 Jy ! Component: 200 - total flux cleaned = 0.0024149 Jy ! Total flux subtracted in 200 components = 0.0024149 Jy ! Clean residual min=-0.002351 max=0.002053 Jy/beam ! Clean residual mean=0.000001 rms=0.000581 Jy/beam ! Combined flux in latest and established models = 0.0712229 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 145 components and 0.0712229 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.581 mas, bmaj=4.136 mas, bpa=-1.441 degrees ! Estimated noise=0.493023 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000599628 Jy ! Component: 100 - total flux cleaned = 0.00101867 Jy ! Component: 150 - total flux cleaned = 0.00137683 Jy ! Component: 200 - total flux cleaned = 0.00169798 Jy ! Total flux subtracted in 200 components = 0.00169798 Jy ! Clean residual min=-0.001736 max=0.001707 Jy/beam ! Clean residual mean=0.000000 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.0729208 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 160 components and 0.0729209 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. ! ! Fit before self-cal, rms=0.049553Jy sigma=0.746467 ! Fit after self-cal, rms=0.049481Jy sigma=0.746122 wmodel J1802-1639_C_map.mod ! Writing 160 model components to file: J1802-1639_C_map.mod wobs J1802-1639_C_uvs.fits ! Writing UV FITS file: J1802-1639_C_uvs.fits wwins J1802-1639_C_map.win ! wwins: Wrote 5 windows to J1802-1639_C_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 = -0.0001417 Jy ! Component: 100 - total flux cleaned = 8.41884e-05 Jy ! Component: 150 - total flux cleaned = 0.000243319 Jy ! Component: 200 - total flux cleaned = 0.000394047 Jy ! Component: 250 - total flux cleaned = 0.000538017 Jy ! Component: 300 - total flux cleaned = 0.000630141 Jy ! Component: 350 - total flux cleaned = 0.000807408 Jy ! Component: 400 - total flux cleaned = 0.000956958 Jy ! Component: 450 - total flux cleaned = 0.00108208 Jy ! Component: 500 - total flux cleaned = 0.00120348 Jy ! Component: 550 - total flux cleaned = 0.00128247 Jy ! Component: 600 - total flux cleaned = 0.00135927 Jy ! Component: 650 - total flux cleaned = 0.00141546 Jy ! Component: 700 - total flux cleaned = 0.00152526 Jy ! Component: 750 - total flux cleaned = 0.00161442 Jy ! Component: 800 - total flux cleaned = 0.00175464 Jy ! Component: 850 - total flux cleaned = 0.00185734 Jy ! Component: 900 - total flux cleaned = 0.00194145 Jy ! Component: 950 - total flux cleaned = 0.00200781 Jy ! Component: 1000 - total flux cleaned = 0.00207287 Jy ! Component: 1050 - total flux cleaned = 0.0021848 Jy ! Component: 1100 - total flux cleaned = 0.00223204 Jy ! Component: 1150 - total flux cleaned = 0.00227835 Jy ! Component: 1200 - total flux cleaned = 0.00238455 Jy ! Component: 1250 - total flux cleaned = 0.0023843 Jy ! Component: 1300 - total flux cleaned = 0.00245809 Jy ! Component: 1350 - total flux cleaned = 0.00251609 Jy ! Component: 1400 - total flux cleaned = 0.00254464 Jy ! Component: 1450 - total flux cleaned = 0.00264316 Jy ! Component: 1500 - total flux cleaned = 0.00268451 Jy ! Component: 1550 - total flux cleaned = 0.00276649 Jy ! Component: 1600 - total flux cleaned = 0.00283385 Jy ! Component: 1650 - total flux cleaned = 0.00288696 Jy ! Component: 1700 - total flux cleaned = 0.00293971 Jy ! Component: 1750 - total flux cleaned = 0.00299167 Jy ! Component: 1800 - total flux cleaned = 0.00304267 Jy ! Component: 1850 - total flux cleaned = 0.00308058 Jy ! Component: 1900 - total flux cleaned = 0.00310541 Jy ! Component: 1950 - total flux cleaned = 0.00311763 Jy ! Component: 2000 - total flux cleaned = 0.00316659 Jy ! Component: 2050 - total flux cleaned = 0.00319077 Jy ! Component: 2100 - total flux cleaned = 0.00326262 Jy ! Component: 2150 - total flux cleaned = 0.00328634 Jy ! Component: 2200 - total flux cleaned = 0.00338026 Jy ! Component: 2250 - total flux cleaned = 0.00336866 Jy ! Component: 2300 - total flux cleaned = 0.00344907 Jy ! Component: 2350 - total flux cleaned = 0.00354016 Jy ! Component: 2400 - total flux cleaned = 0.00350627 Jy ! Component: 2450 - total flux cleaned = 0.00357354 Jy ! Component: 2500 - total flux cleaned = 0.00359579 Jy ! Component: 2550 - total flux cleaned = 0.0036287 Jy ! Component: 2600 - total flux cleaned = 0.0036288 Jy ! Component: 2650 - total flux cleaned = 0.00371517 Jy ! Component: 2700 - total flux cleaned = 0.00372575 Jy ! Component: 2750 - total flux cleaned = 0.00375745 Jy ! Component: 2800 - total flux cleaned = 0.00375739 Jy ! Component: 2850 - total flux cleaned = 0.0037888 Jy ! Component: 2900 - total flux cleaned = 0.0038095 Jy ! Component: 2950 - total flux cleaned = 0.00380946 Jy ! Component: 3000 - total flux cleaned = 0.00382986 Jy ! Component: 3050 - total flux cleaned = 0.00388031 Jy ! Component: 3100 - total flux cleaned = 0.00388031 Jy ! Component: 3150 - total flux cleaned = 0.00388029 Jy ! Component: 3200 - total flux cleaned = 0.00390991 Jy ! Component: 3250 - total flux cleaned = 0.00391969 Jy ! Component: 3300 - total flux cleaned = 0.00393918 Jy ! Component: 3350 - total flux cleaned = 0.00394885 Jy ! Component: 3400 - total flux cleaned = 0.00395846 Jy ! Component: 3450 - total flux cleaned = 0.00395846 Jy ! Component: 3500 - total flux cleaned = 0.00398702 Jy ! Component: 3550 - total flux cleaned = 0.00397757 Jy ! Component: 3600 - total flux cleaned = 0.00400568 Jy ! Component: 3650 - total flux cleaned = 0.00401495 Jy ! Component: 3700 - total flux cleaned = 0.00402421 Jy ! Component: 3750 - total flux cleaned = 0.00405189 Jy ! Component: 3800 - total flux cleaned = 0.00406098 Jy ! Component: 3850 - total flux cleaned = 0.004061 Jy ! Component: 3900 - total flux cleaned = 0.00407898 Jy ! Component: 3950 - total flux cleaned = 0.00410591 Jy ! Component: 4000 - total flux cleaned = 0.00415032 Jy ! Component: 4050 - total flux cleaned = 0.00414139 Jy ! Total flux subtracted in 4096 components = 0.00415902 Jy ! Clean residual min=-0.000607 max=0.000644 Jy/beam ! Clean residual mean=0.000000 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0770799 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 444 components and 0.0770799 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1802-1639_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.581 x 4.136 at -1.441 degrees (North through East) ! Clean map min=-0.0010629 max=0.033092 Jy/beam ! Writing clean map to FITS file: .//J1802-1639_C_map.fits wmodel .//J1802-1639_C_map.mod ! Writing 444 model components to file: .//J1802-1639_C_map.mod wobs .//J1802-1639_C_uvs.fits ! Writing UV FITS file: .//J1802-1639_C_uvs.fits wwins .//J1802-1639_C_map.win ! wwins: Wrote 6 windows to .//J1802-1639_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0330925 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000149657 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.35672 1.35672 2.71343 5.42687 10.8537 21.7075 43.415 86.8299 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.033 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 221.121 quit ! Quitting program ! Log file .//J1802-1639_C_dfm.log closed on Mon Jan 20 18:43:09 2020