! Started logfile: .//J1718-1558_C_dfm.log on Mon Jan 20 18:35:49 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 .//J1718-1558_C_uva.fits ! Reading UV FITS file: .//J1718-1558_C_uva.fits ! AN table 1: 15 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1718-1558 ! ! 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 4320 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 J1718-1558_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. ! ! 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=1.001293Jy sigma=20.442167 ! Fit after self-cal, rms=0.972601Jy sigma=19.828736 ! 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=1.443 mas, bmaj=7.348 mas, bpa=-18.68 degrees ! Estimated noise=0.776858 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 = 0.0191825 Jy ! Component: 100 - total flux cleaned = 0.0266331 Jy ! Total flux subtracted in 100 components = 0.0266331 Jy ! Clean residual min=-0.003922 max=0.007143 Jy/beam ! Clean residual mean=0.000004 rms=0.001291 Jy/beam ! Combined flux in latest and established models = 0.0266331 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 34 components and 0.0266331 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=0.049781Jy sigma=0.896508 ! Fit after self-cal, rms=0.048178Jy sigma=0.860929 ! Inverting map ! Added new window around map position (-18.3, 11.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0104302 Jy ! Component: 100 - total flux cleaned = 0.0170786 Jy ! Total flux subtracted in 100 components = 0.0170786 Jy ! Clean residual min=-0.003867 max=0.004200 Jy/beam ! Clean residual mean=0.000004 rms=0.001105 Jy/beam ! Combined flux in latest and established models = 0.0437117 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 58 components and 0.0437117 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=0.045029Jy sigma=0.778808 ! Fit after self-cal, rms=0.044597Jy sigma=0.768388 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0067058 Jy ! Component: 100 - total flux cleaned = 0.0114657 Jy ! Total flux subtracted in 100 components = 0.0114657 Jy ! Clean residual min=-0.003408 max=0.003569 Jy/beam ! Clean residual mean=0.000004 rms=0.000920 Jy/beam ! Combined flux in latest and established models = 0.0551774 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 76 components and 0.0551774 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=0.043129Jy sigma=0.726353 ! Fit after self-cal, rms=0.042866Jy sigma=0.720699 ! 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=1.801 mas, bmaj=8.101 mas, bpa=-17.84 degrees ! Estimated noise=0.542604 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 = 0.00702731 Jy ! Component: 100 - total flux cleaned = 0.0120905 Jy ! Component: 150 - total flux cleaned = 0.015936 Jy ! Component: 200 - total flux cleaned = 0.0189374 Jy ! Total flux subtracted in 200 components = 0.0189374 Jy ! Clean residual min=-0.002357 max=0.003422 Jy/beam ! Clean residual mean=0.000005 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.0741148 Jy ! Performing phase self-cal ! Adding 76 model components to the UV plane model. ! The established model now contains 145 components and 0.0741148 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=0.041472Jy sigma=0.677820 ! Fit after self-cal, rms=0.041419Jy sigma=0.676251 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.801 x 8.101 at -17.84 degrees (North through East) ! Clean map min=-0.0022425 max=0.029253 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.93 HN 1.12 KP 0.83 ! LA 0.85 MK 0.95 NL 0.93 OV 1.08 ! PT 0.83 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.09 HN 0.88 KP 0.89 ! LA 1.06 MK 0.91 NL 0.93 OV 1.15 ! PT 0.86 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 1.12 KP 0.81 ! LA 0.77 MK 0.96 NL 1.18 OV 1.13 ! PT 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.16 HN 1.00 KP 0.83 ! LA 0.84 MK 1.21 NL 1.07 OV 0.97 ! PT 0.78 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.53 FD 1.11 HN 1.05 KP 0.93 ! LA 0.93 MK 1.11 NL 0.93 OV 0.95 ! PT 0.90 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.36 FD 1.09 HN 0.89 KP 0.90 ! LA 0.87 MK 1.15 NL 0.97 OV 1.06 ! PT 0.91 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.08 HN 1.10 KP 0.95 ! LA 0.84 MK 1.36 NL 0.91 OV 0.96 ! PT 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.15 HN 1.02 KP 0.94 ! LA 0.95 MK 0.92 NL 0.94 OV 1.07 ! PT 0.86 ! ! ! Fit before self-cal, rms=0.041419Jy sigma=0.676251 ! Fit after self-cal, rms=0.036011Jy sigma=0.658454 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.862 mas, bmaj=8.388 mas, bpa=-17.74 degrees ! Estimated noise=0.512019 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 = 0.000975735 Jy ! Component: 100 - total flux cleaned = 0.00134054 Jy ! Component: 150 - total flux cleaned = 0.00148595 Jy ! Component: 200 - total flux cleaned = 0.00156181 Jy ! Total flux subtracted in 200 components = 0.00156181 Jy ! Clean residual min=-0.001417 max=0.001982 Jy/beam ! Clean residual mean=0.000001 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.0756766 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 162 components and 0.0756766 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=0.035925Jy sigma=0.656826 ! Fit after self-cal, rms=0.036015Jy sigma=0.656132 ! 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=0.036015Jy sigma=0.656132 ! Fit after self-cal, rms=0.036059Jy sigma=0.656052 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.859 mas, bmaj=8.389 mas, bpa=-17.75 degrees ! Estimated noise=0.511696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000403804 Jy ! Component: 100 - total flux cleaned = 0.000452672 Jy ! Component: 150 - total flux cleaned = 0.000472025 Jy ! Component: 200 - total flux cleaned = 0.000490713 Jy ! Total flux subtracted in 200 components = 0.000490713 Jy ! Clean residual min=-0.001436 max=0.001938 Jy/beam ! Clean residual mean=0.000001 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.0761673 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 174 components and 0.0761673 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=0.036028Jy sigma=0.655588 ! Fit after self-cal, rms=0.036032Jy sigma=0.655538 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 (-20.4, -63.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146108 Jy ! Component: 100 - total flux cleaned = 0.00177604 Jy ! Component: 150 - total flux cleaned = 0.00196188 Jy ! Component: 200 - total flux cleaned = 0.00222154 Jy ! Total flux subtracted in 200 components = 0.00222154 Jy ! Clean residual min=-0.001462 max=0.001710 Jy/beam ! Clean residual mean=0.000001 rms=0.000385 Jy/beam ! Combined flux in latest and established models = 0.0783889 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 199 components and 0.0783889 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=0.035917Jy sigma=0.652728 ! Fit after self-cal, rms=0.035890Jy sigma=0.652361 ! Inverting map ! Added new window around map position (-6.9, 13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00169562 Jy ! Component: 100 - total flux cleaned = 0.00224495 Jy ! Component: 150 - total flux cleaned = 0.00263758 Jy ! Component: 200 - total flux cleaned = 0.00307348 Jy ! Total flux subtracted in 200 components = 0.00307348 Jy ! Clean residual min=-0.001265 max=0.001225 Jy/beam ! Clean residual mean=0.000001 rms=0.000304 Jy/beam ! Combined flux in latest and established models = 0.0814624 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 229 components and 0.0814624 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=0.035790Jy sigma=0.649917 ! Fit after self-cal, rms=0.035788Jy sigma=0.649709 ! 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=0.035788Jy sigma=0.649709 ! Fit after self-cal, rms=0.035466Jy sigma=0.649408 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.866 mas, bmaj=8.339 mas, bpa=-17.7 degrees ! Estimated noise=0.51028 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000912461 Jy ! Component: 100 - total flux cleaned = 0.00128399 Jy ! Component: 150 - total flux cleaned = 0.00156312 Jy ! Component: 200 - total flux cleaned = 0.0017327 Jy ! Total flux subtracted in 200 components = 0.0017327 Jy ! Clean residual min=-0.001213 max=0.001122 Jy/beam ! Clean residual mean=0.000001 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.0831951 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 248 components and 0.0831951 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=0.035427Jy sigma=0.648536 ! Fit after self-cal, rms=0.035419Jy sigma=0.648479 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 = 0.000180223 Jy ! Component: 100 - total flux cleaned = 0.000259604 Jy ! Component: 150 - total flux cleaned = 0.000297368 Jy ! Component: 200 - total flux cleaned = 0.000368144 Jy ! Total flux subtracted in 200 components = 0.000368144 Jy ! Clean residual min=-0.001213 max=0.001084 Jy/beam ! Clean residual mean=0.000001 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.0835632 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 265 components and 0.0835632 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=0.035397Jy sigma=0.648105 ! Fit after self-cal, rms=0.035398Jy sigma=0.648090 ! 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=0.035398Jy sigma=0.648090 ! Fit after self-cal, rms=0.035366Jy sigma=0.647992 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.035 mas, bmaj=10.01 mas, bpa=-6.55 degrees ! Estimated noise=0.56944 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000419257 Jy ! Component: 100 - total flux cleaned = 0.000562538 Jy ! Component: 150 - total flux cleaned = 0.000709803 Jy ! Component: 200 - total flux cleaned = 0.00083919 Jy ! Total flux subtracted in 200 components = 0.00083919 Jy ! Clean residual min=-0.001051 max=0.000942 Jy/beam ! Clean residual mean=0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0844024 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 287 components and 0.0844024 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=0.035355Jy sigma=0.647760 ! Fit after self-cal, rms=0.035352Jy sigma=0.647732 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 = 0.000104654 Jy ! Component: 100 - total flux cleaned = 0.000174374 Jy ! Component: 150 - total flux cleaned = 0.000217052 Jy ! Component: 200 - total flux cleaned = 0.000257699 Jy ! Total flux subtracted in 200 components = 0.000257699 Jy ! Clean residual min=-0.001020 max=0.000915 Jy/beam ! Clean residual mean=0.000001 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.0846601 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 301 components and 0.0846601 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=0.035347Jy sigma=0.647636 ! Fit after self-cal, rms=0.035346Jy sigma=0.647629 ! 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=1.873 mas, bmaj=8.312 mas, bpa=-17.65 degrees ! Estimated noise=0.510886 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.873 x 8.312 at -17.65 degrees (North through East) ! Clean map min=-0.0011072 max=0.027515 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=1.488 mas, bmaj=7.467 mas, bpa=-18.57 degrees ! Estimated noise=0.757811 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0218192 Jy ! Component: 100 - total flux cleaned = 0.0333603 Jy ! Component: 150 - total flux cleaned = 0.0411493 Jy ! Component: 200 - total flux cleaned = 0.047219 Jy ! Total flux subtracted in 200 components = 0.047219 Jy ! Clean residual min=-0.003425 max=0.003789 Jy/beam ! Clean residual mean=0.000003 rms=0.001007 Jy/beam ! Combined flux in latest and established models = 0.047219 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 50 model components to the UV plane model. ! The established model now contains 50 components and 0.047219 Jy ! Inverting map and beam ! Estimated beam: bmin=1.873 mas, bmaj=8.312 mas, bpa=-17.65 degrees ! Estimated noise=0.510886 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 = 0.00742868 Jy ! Component: 100 - total flux cleaned = 0.0126549 Jy ! Component: 150 - total flux cleaned = 0.0166616 Jy ! Component: 200 - total flux cleaned = 0.0198525 Jy ! Total flux subtracted in 200 components = 0.0198525 Jy ! Clean residual min=-0.002029 max=0.002578 Jy/beam ! Clean residual mean=0.000003 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 0.0670715 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 107 components and 0.0670715 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=4.035 mas, bmaj=10.01 mas, bpa=-6.55 degrees ! Estimated noise=0.56944 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0036633 Jy ! Component: 100 - total flux cleaned = 0.00631836 Jy ! Component: 150 - total flux cleaned = 0.00838959 Jy ! Component: 200 - total flux cleaned = 0.0100656 Jy ! Total flux subtracted in 200 components = 0.0100656 Jy ! Clean residual min=-0.001632 max=0.001520 Jy/beam ! Clean residual mean=0.000003 rms=0.000485 Jy/beam ! Combined flux in latest and established models = 0.0771371 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 = 0.0013787 Jy ! Component: 100 - total flux cleaned = 0.00221855 Jy ! Component: 150 - total flux cleaned = 0.00286875 Jy ! Component: 200 - total flux cleaned = 0.00344438 Jy ! Total flux subtracted in 200 components = 0.00344438 Jy ! Clean residual min=-0.001312 max=0.001252 Jy/beam ! Clean residual mean=0.000002 rms=0.000352 Jy/beam ! Combined flux in latest and established models = 0.0805814 Jy ! Adding 104 model components to the UV plane model. ! The established model now contains 200 components and 0.0805814 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.873 mas, bmaj=8.312 mas, bpa=-17.65 degrees ! Estimated noise=0.510886 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000120626 Jy ! Component: 100 - total flux cleaned = 0.000525139 Jy ! Component: 150 - total flux cleaned = 0.000905982 Jy ! Component: 200 - total flux cleaned = 0.00127448 Jy ! Total flux subtracted in 200 components = 0.00127448 Jy ! Clean residual min=-0.001297 max=0.001158 Jy/beam ! Clean residual mean=0.000001 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.0818559 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 223 components and 0.0818559 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=0.035446Jy sigma=0.649417 ! Fit after self-cal, rms=0.035434Jy sigma=0.649033 wmodel J1718-1558_C_map.mod ! Writing 223 model components to file: J1718-1558_C_map.mod wobs J1718-1558_C_uvs.fits ! Writing UV FITS file: J1718-1558_C_uvs.fits wwins J1718-1558_C_map.win ! wwins: Wrote 4 windows to J1718-1558_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 = -0.000199214 Jy ! Component: 100 - total flux cleaned = 6.15314e-06 Jy ! Component: 150 - total flux cleaned = 4.05793e-05 Jy ! Component: 200 - total flux cleaned = 9.10778e-05 Jy ! Component: 250 - total flux cleaned = 0.000140351 Jy ! Component: 300 - total flux cleaned = 0.00015681 Jy ! Component: 350 - total flux cleaned = 0.000203755 Jy ! Component: 400 - total flux cleaned = 0.000188103 Jy ! Component: 450 - total flux cleaned = 9.86829e-05 Jy ! Component: 500 - total flux cleaned = 4.02149e-05 Jy ! Component: 550 - total flux cleaned = -3.10732e-05 Jy ! Component: 600 - total flux cleaned = -0.000100915 Jy ! Component: 650 - total flux cleaned = -0.000128027 Jy ! Component: 700 - total flux cleaned = -0.000168003 Jy ! Component: 750 - total flux cleaned = -0.000167999 Jy ! Component: 800 - total flux cleaned = -0.000167885 Jy ! Component: 850 - total flux cleaned = -0.000167893 Jy ! Component: 900 - total flux cleaned = -0.000192991 Jy ! Component: 950 - total flux cleaned = -0.000229608 Jy ! Component: 1000 - total flux cleaned = -0.000217518 Jy ! Component: 1050 - total flux cleaned = -0.00024135 Jy ! Component: 1100 - total flux cleaned = -0.000229757 Jy ! Component: 1150 - total flux cleaned = -0.00021845 Jy ! Component: 1200 - total flux cleaned = -0.000241043 Jy ! Component: 1250 - total flux cleaned = -0.000274422 Jy ! Component: 1300 - total flux cleaned = -0.000274563 Jy ! Component: 1350 - total flux cleaned = -0.000306841 Jy ! Component: 1400 - total flux cleaned = -0.000370642 Jy ! Component: 1450 - total flux cleaned = -0.000402289 Jy ! Component: 1500 - total flux cleaned = -0.000433505 Jy ! Component: 1550 - total flux cleaned = -0.000505161 Jy ! Component: 1600 - total flux cleaned = -0.000555664 Jy ! Component: 1650 - total flux cleaned = -0.000575729 Jy ! Component: 1700 - total flux cleaned = -0.000605547 Jy ! Component: 1750 - total flux cleaned = -0.000644531 Jy ! Component: 1800 - total flux cleaned = -0.000683063 Jy ! Component: 1850 - total flux cleaned = -0.000721136 Jy ! Component: 1900 - total flux cleaned = -0.000768048 Jy ! Component: 1950 - total flux cleaned = -0.000823787 Jy ! Component: 2000 - total flux cleaned = -0.000851369 Jy ! Component: 2050 - total flux cleaned = -0.000924235 Jy ! Component: 2100 - total flux cleaned = -0.000942302 Jy ! Component: 2150 - total flux cleaned = -0.000986962 Jy ! Component: 2200 - total flux cleaned = -0.00101349 Jy ! Component: 2250 - total flux cleaned = -0.00106601 Jy ! Component: 2300 - total flux cleaned = -0.00111813 Jy ! Component: 2350 - total flux cleaned = -0.00115259 Jy ! Component: 2400 - total flux cleaned = -0.00117811 Jy ! Component: 2450 - total flux cleaned = -0.00122035 Jy ! Component: 2500 - total flux cleaned = -0.00126222 Jy ! Component: 2550 - total flux cleaned = -0.00127881 Jy ! Component: 2600 - total flux cleaned = -0.00126242 Jy ! Component: 2650 - total flux cleaned = -0.00130345 Jy ! Component: 2700 - total flux cleaned = -0.00134407 Jy ! Component: 2750 - total flux cleaned = -0.00134396 Jy ! Component: 2800 - total flux cleaned = -0.00133589 Jy ! Component: 2850 - total flux cleaned = -0.00132792 Jy ! Component: 2900 - total flux cleaned = -0.00134373 Jy ! Component: 2950 - total flux cleaned = -0.00133594 Jy ! Component: 3000 - total flux cleaned = -0.00136718 Jy ! Component: 3050 - total flux cleaned = -0.00138271 Jy ! Component: 3100 - total flux cleaned = -0.00137503 Jy ! Component: 3150 - total flux cleaned = -0.00139813 Jy ! Component: 3200 - total flux cleaned = -0.00142873 Jy ! Component: 3250 - total flux cleaned = -0.00144398 Jy ! Component: 3300 - total flux cleaned = -0.00145906 Jy ! Component: 3350 - total flux cleaned = -0.00146659 Jy ! Component: 3400 - total flux cleaned = -0.00148909 Jy ! Component: 3450 - total flux cleaned = -0.00152634 Jy ! Component: 3500 - total flux cleaned = -0.0015189 Jy ! Component: 3550 - total flux cleaned = -0.00153365 Jy ! Component: 3600 - total flux cleaned = -0.00154834 Jy ! Component: 3650 - total flux cleaned = -0.00157028 Jy ! Component: 3700 - total flux cleaned = -0.00159215 Jy ! Component: 3750 - total flux cleaned = -0.00162839 Jy ! Component: 3800 - total flux cleaned = -0.00165011 Jy ! Component: 3850 - total flux cleaned = -0.0016717 Jy ! Component: 3900 - total flux cleaned = -0.00167887 Jy ! Component: 3950 - total flux cleaned = -0.00170034 Jy ! Component: 4000 - total flux cleaned = -0.00172172 Jy ! Component: 4050 - total flux cleaned = -0.00173592 Jy ! Total flux subtracted in 4096 components = -0.00175715 Jy ! Clean residual min=-0.000390 max=0.000475 Jy/beam ! Clean residual mean=-0.000000 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.0800987 Jy keep ! Adding 264 model components to the UV plane model. ! The established model now contains 487 components and 0.0800987 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1718-1558_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.873 x 8.312 at -17.65 degrees (North through East) ! Clean map min=-0.0010993 max=0.027755 Jy/beam ! Writing clean map to FITS file: .//J1718-1558_C_map.fits wmodel .//J1718-1558_C_map.mod ! Writing 487 model components to file: .//J1718-1558_C_map.mod wobs .//J1718-1558_C_uvs.fits ! Writing UV FITS file: .//J1718-1558_C_uvs.fits wwins .//J1718-1558_C_map.win ! wwins: Wrote 5 windows to .//J1718-1558_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0277547 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000124378 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.3444 1.3444 2.68879 5.37758 10.7552 21.5103 43.0207 86.0413 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.027 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 223.148 quit ! Quitting program ! Log file .//J1718-1558_C_dfm.log closed on Mon Jan 20 18:35:53 2020