! Started logfile: .//J0831+1746_C_dfm.log on Mon Jan 20 17:45:33 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 .//J0831+1746_C_uva.fits ! Reading UV FITS file: .//J0831+1746_C_uva.fits ! AN table 1: 47 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.980615 visibilities/baseline/integration-bin. ! Found source: J0831+1746 ! ! 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 16592 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 J0831+1746_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 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001228Jy sigma=21.904207 ! Fit after self-cal, rms=0.987003Jy sigma=21.611094 ! 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=1.283 mas, bmaj=3.654 mas, bpa=-10.27 degrees ! Estimated noise=0.461495 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 = 0.0101359 Jy ! Component: 100 - total flux cleaned = 0.0125187 Jy ! Total flux subtracted in 100 components = 0.0125187 Jy ! Clean residual min=-0.001596 max=0.001478 Jy/beam ! Clean residual mean=0.000000 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.0125187 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0125187 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=0.035328Jy sigma=0.715930 ! Fit after self-cal, rms=0.033750Jy sigma=0.680101 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00418125 Jy ! Component: 100 - total flux cleaned = 0.00525278 Jy ! Total flux subtracted in 100 components = 0.00525278 Jy ! Clean residual min=-0.001405 max=0.001370 Jy/beam ! Clean residual mean=0.000000 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.0177714 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 11 components and 0.0177714 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=0.033264Jy sigma=0.670898 ! Fit after self-cal, rms=0.033247Jy sigma=0.670537 ! 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=1.615 mas, bmaj=4.025 mas, bpa=-8.581 degrees ! Estimated noise=0.255152 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 = 0.000426486 Jy ! Component: 100 - total flux cleaned = 0.000641716 Jy ! Component: 150 - total flux cleaned = 0.000767244 Jy ! Component: 200 - total flux cleaned = 0.000823599 Jy ! Total flux subtracted in 200 components = 0.000823599 Jy ! Clean residual min=-0.001117 max=0.001049 Jy/beam ! Clean residual mean=0.000001 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.018595 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 0.018595 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=0.033236Jy sigma=0.670540 ! Fit after self-cal, rms=0.033230Jy sigma=0.670351 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.615 x 4.025 at -8.581 degrees (North through East) ! Clean map min=-0.0011101 max=0.017581 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.79 HN 0.82 KP 0.97 ! LA 0.91 MK 1.05 NL 0.79 OV 0.82 ! PT 0.89 SC 0.85 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 0.93 KP 0.90 ! LA 0.92 MK 1.09 NL 0.75 OV 0.94 ! PT 0.90 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.02 HN 1.10 KP 1.27 ! LA 1.13 MK 0.99 NL 0.72 OV 1.13 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 1.15 KP 1.13 ! LA 1.04 MK 0.97 NL 0.88 OV 1.01 ! PT 0.90 SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.02 HN 1.04 KP 1.11 ! LA 1.23 MK 1.08 NL 0.86 OV 1.12 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.17 HN 1.11 KP 1.09 ! LA 1.13 MK 0.92 NL 0.68 OV 1.18 ! PT 1.06 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 1.10 HN 1.14 KP 1.09 ! LA 1.21 MK 1.12 NL 0.78 OV 1.14 ! PT 0.98 SC 0.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.16 HN 1.06 KP 1.33 ! LA 1.08 MK 0.90 NL 0.84 OV 1.18 ! PT 0.99 SC 0.93 ! ! ! Fit before self-cal, rms=0.033230Jy sigma=0.670351 ! Fit after self-cal, rms=0.031991Jy sigma=0.665961 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.611 mas, bmaj=4.026 mas, bpa=-8.528 degrees ! Estimated noise=0.255255 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 (-27.6, 3.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000499736 Jy ! Component: 100 - total flux cleaned = 0.000564447 Jy ! Component: 150 - total flux cleaned = 0.000600884 Jy ! Component: 200 - total flux cleaned = 0.00060138 Jy ! Total flux subtracted in 200 components = 0.00060138 Jy ! Clean residual min=-0.000649 max=0.000660 Jy/beam ! Clean residual mean=0.000001 rms=0.000155 Jy/beam ! Combined flux in latest and established models = 0.0191964 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 41 components and 0.0191964 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=0.031969Jy sigma=0.665532 ! Fit after self-cal, rms=0.032016Jy sigma=0.663971 ! 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=0.032016Jy sigma=0.663971 ! Fit after self-cal, rms=0.032241Jy sigma=0.663658 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.609 mas, bmaj=4.022 mas, bpa=-8.541 degrees ! Estimated noise=0.253828 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000346931 Jy ! Component: 100 - total flux cleaned = 0.000376288 Jy ! Component: 150 - total flux cleaned = 0.000312528 Jy ! Component: 200 - total flux cleaned = 0.000294369 Jy ! Total flux subtracted in 200 components = 0.000294369 Jy ! Clean residual min=-0.000612 max=0.000607 Jy/beam ! Clean residual mean=0.000001 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.0194908 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 49 components and 0.0194908 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=0.032227Jy sigma=0.663414 ! Fit after self-cal, rms=0.032269Jy sigma=0.663179 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 = 0.000241052 Jy ! Component: 100 - total flux cleaned = 0.000211353 Jy ! Component: 150 - total flux cleaned = 0.000193168 Jy ! Component: 200 - total flux cleaned = 0.000168967 Jy ! Total flux subtracted in 200 components = 0.000168967 Jy ! Clean residual min=-0.000606 max=0.000611 Jy/beam ! Clean residual mean=0.000001 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.0196598 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 56 components and 0.0196598 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=0.032261Jy sigma=0.663048 ! Fit after self-cal, rms=0.032257Jy sigma=0.662992 ! Inverting map ! Added new window around map position (74.7, 44.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000351693 Jy ! Component: 100 - total flux cleaned = 0.000375977 Jy ! Component: 150 - total flux cleaned = 0.000376846 Jy ! Component: 200 - total flux cleaned = 0.000342056 Jy ! Total flux subtracted in 200 components = 0.000342056 Jy ! Clean residual min=-0.000562 max=0.000532 Jy/beam ! Clean residual mean=0.000001 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0200018 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 73 components and 0.0200018 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=0.032245Jy sigma=0.662751 ! Fit after self-cal, rms=0.032243Jy sigma=0.662642 ! 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=0.032243Jy sigma=0.662642 ! Fit after self-cal, rms=0.032417Jy sigma=0.662552 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.607 mas, bmaj=4.019 mas, bpa=-8.585 degrees ! Estimated noise=0.253701 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000260486 Jy ! Component: 100 - total flux cleaned = 0.000197768 Jy ! Component: 150 - total flux cleaned = 0.000158639 Jy ! Component: 200 - total flux cleaned = 0.000131914 Jy ! Total flux subtracted in 200 components = 0.000131914 Jy ! Clean residual min=-0.000529 max=0.000540 Jy/beam ! Clean residual mean=0.000001 rms=0.000138 Jy/beam ! Combined flux in latest and established models = 0.0201337 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 78 components and 0.0201337 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=0.032408Jy sigma=0.662394 ! Fit after self-cal, rms=0.032420Jy sigma=0.662291 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 = 0.000120238 Jy ! Component: 100 - total flux cleaned = 8.04067e-05 Jy ! Component: 150 - total flux cleaned = 8.04e-05 Jy ! Component: 200 - total flux cleaned = 7.24199e-05 Jy ! Total flux subtracted in 200 components = 7.24199e-05 Jy ! Clean residual min=-0.000528 max=0.000528 Jy/beam ! Clean residual mean=0.000001 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0202061 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 86 components and 0.0202061 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=0.032415Jy sigma=0.662186 ! Fit after self-cal, rms=0.032416Jy sigma=0.662161 ! 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=0.032416Jy sigma=0.662161 ! Fit after self-cal, rms=0.032515Jy sigma=0.662123 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.615 mas, bmaj=5.325 mas, bpa=-4.03 degrees ! Estimated noise=0.321881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000177381 Jy ! Component: 100 - total flux cleaned = 0.000149849 Jy ! Component: 150 - total flux cleaned = 0.000134097 Jy ! Component: 200 - total flux cleaned = 0.00013449 Jy ! Total flux subtracted in 200 components = 0.00013449 Jy ! Clean residual min=-0.000514 max=0.000565 Jy/beam ! Clean residual mean=0.000001 rms=0.000152 Jy/beam ! Combined flux in latest and established models = 0.0203406 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 98 components and 0.0203406 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=0.032513Jy sigma=0.662087 ! Fit after self-cal, rms=0.032514Jy sigma=0.662004 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 = 9.3713e-05 Jy ! Component: 100 - total flux cleaned = 8.62377e-05 Jy ! Component: 150 - total flux cleaned = 6.72965e-05 Jy ! Component: 200 - total flux cleaned = 6.14347e-05 Jy ! Total flux subtracted in 200 components = 6.14347e-05 Jy ! Clean residual min=-0.000497 max=0.000569 Jy/beam ! Clean residual mean=0.000001 rms=0.000151 Jy/beam ! Combined flux in latest and established models = 0.0204021 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 101 components and 0.0204021 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=0.032514Jy sigma=0.661996 ! Fit after self-cal, rms=0.032512Jy sigma=0.661975 ! 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=1.606 mas, bmaj=4.019 mas, bpa=-8.637 degrees ! Estimated noise=0.253741 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.606 x 4.019 at -8.637 degrees (North through East) ! Clean map min=-0.00085538 max=0.017514 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=1.272 mas, bmaj=3.67 mas, bpa=-10.48 degrees ! Estimated noise=0.46183 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136361 Jy ! Component: 100 - total flux cleaned = 0.017213 Jy ! Component: 150 - total flux cleaned = 0.019 Jy ! Component: 200 - total flux cleaned = 0.0197299 Jy ! Total flux subtracted in 200 components = 0.0197299 Jy ! Clean residual min=-0.001201 max=0.001141 Jy/beam ! Clean residual mean=0.000000 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.0197299 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0197299 Jy ! Inverting map and beam ! Estimated beam: bmin=1.606 mas, bmaj=4.019 mas, bpa=-8.637 degrees ! Estimated noise=0.253741 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 = 0.000103352 Jy ! Component: 100 - total flux cleaned = 0.000270115 Jy ! Component: 150 - total flux cleaned = 0.000320624 Jy ! Component: 200 - total flux cleaned = 0.000362547 Jy ! Total flux subtracted in 200 components = 0.000362547 Jy ! Clean residual min=-0.000637 max=0.000641 Jy/beam ! Clean residual mean=0.000001 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.0200925 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 36 components and 0.0200924 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=3.615 mas, bmaj=5.325 mas, bpa=-4.03 degrees ! Estimated noise=0.321881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000374946 Jy ! Component: 100 - total flux cleaned = 0.000442663 Jy ! Component: 150 - total flux cleaned = 0.000399272 Jy ! Component: 200 - total flux cleaned = 0.000373907 Jy ! Total flux subtracted in 200 components = 0.000373907 Jy ! Clean residual min=-0.000555 max=0.000580 Jy/beam ! Clean residual mean=0.000001 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.0204664 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 = -3.35763e-05 Jy ! Component: 100 - total flux cleaned = -4.38091e-05 Jy ! Component: 150 - total flux cleaned = -5.275e-05 Jy ! Component: 200 - total flux cleaned = -4.39692e-05 Jy ! Total flux subtracted in 200 components = -4.39692e-05 Jy ! Clean residual min=-0.000532 max=0.000550 Jy/beam ! Clean residual mean=0.000001 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.0204224 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 73 components and 0.0204224 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.606 mas, bmaj=4.019 mas, bpa=-8.637 degrees ! Estimated noise=0.253741 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000109267 Jy ! Component: 100 - total flux cleaned = -0.000180929 Jy ! Component: 150 - total flux cleaned = -0.000230349 Jy ! Component: 200 - total flux cleaned = -0.000253143 Jy ! Total flux subtracted in 200 components = -0.000253143 Jy ! Clean residual min=-0.000519 max=0.000565 Jy/beam ! Clean residual mean=0.000001 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.0201692 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 89 components and 0.0201692 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=0.032515Jy sigma=0.662052 ! Fit after self-cal, rms=0.032516Jy sigma=0.661999 wmodel J0831+1746_C_map.mod ! Writing 89 model components to file: J0831+1746_C_map.mod wobs J0831+1746_C_uvs.fits ! Writing UV FITS file: J0831+1746_C_uvs.fits wwins J0831+1746_C_map.win ! wwins: Wrote 3 windows to J0831+1746_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 = 9.27064e-05 Jy ! Component: 100 - total flux cleaned = 0.000101971 Jy ! Component: 150 - total flux cleaned = 0.000111124 Jy ! Component: 200 - total flux cleaned = 0.000119617 Jy ! Component: 250 - total flux cleaned = 9.4468e-05 Jy ! Component: 300 - total flux cleaned = 0.000126611 Jy ! Component: 350 - total flux cleaned = 0.000142277 Jy ! Component: 400 - total flux cleaned = 0.000173092 Jy ! Component: 450 - total flux cleaned = 0.000195688 Jy ! Component: 500 - total flux cleaned = 0.000195735 Jy ! Component: 550 - total flux cleaned = 0.000195991 Jy ! Component: 600 - total flux cleaned = 0.00023183 Jy ! Component: 650 - total flux cleaned = 0.000273782 Jy ! Component: 700 - total flux cleaned = 0.000273774 Jy ! Component: 750 - total flux cleaned = 0.000300778 Jy ! Component: 800 - total flux cleaned = 0.000307456 Jy ! Component: 850 - total flux cleaned = 0.000307456 Jy ! Component: 900 - total flux cleaned = 0.000333337 Jy ! Component: 950 - total flux cleaned = 0.000346128 Jy ! Component: 1000 - total flux cleaned = 0.000371213 Jy ! Component: 1050 - total flux cleaned = 0.000383645 Jy ! Component: 1100 - total flux cleaned = 0.0004205 Jy ! Component: 1150 - total flux cleaned = 0.000438643 Jy ! Component: 1200 - total flux cleaned = 0.000468562 Jy ! Component: 1250 - total flux cleaned = 0.000474551 Jy ! Component: 1300 - total flux cleaned = 0.00052136 Jy ! Component: 1350 - total flux cleaned = 0.000521366 Jy ! Component: 1400 - total flux cleaned = 0.000555736 Jy ! Component: 1450 - total flux cleaned = 0.000566992 Jy ! Component: 1500 - total flux cleaned = 0.000606094 Jy ! Component: 1550 - total flux cleaned = 0.000600492 Jy ! Component: 1600 - total flux cleaned = 0.000622441 Jy ! Component: 1650 - total flux cleaned = 0.000638694 Jy ! Component: 1700 - total flux cleaned = 0.00066017 Jy ! Component: 1750 - total flux cleaned = 0.000665508 Jy ! Component: 1800 - total flux cleaned = 0.000681201 Jy ! Component: 1850 - total flux cleaned = 0.000676051 Jy ! Component: 1900 - total flux cleaned = 0.000691464 Jy ! Component: 1950 - total flux cleaned = 0.0006915 Jy ! Component: 2000 - total flux cleaned = 0.000731902 Jy ! Component: 2050 - total flux cleaned = 0.000726856 Jy ! Component: 2100 - total flux cleaned = 0.00072691 Jy ! Component: 2150 - total flux cleaned = 0.000751485 Jy ! Component: 2200 - total flux cleaned = 0.000756353 Jy ! Component: 2250 - total flux cleaned = 0.000766003 Jy ! Component: 2300 - total flux cleaned = 0.000770789 Jy ! Component: 2350 - total flux cleaned = 0.00076601 Jy ! Component: 2400 - total flux cleaned = 0.000775476 Jy ! Component: 2450 - total flux cleaned = 0.000789624 Jy ! Component: 2500 - total flux cleaned = 0.00081286 Jy ! Component: 2550 - total flux cleaned = 0.000822073 Jy ! Component: 2600 - total flux cleaned = 0.000826682 Jy ! Component: 2650 - total flux cleaned = 0.000835819 Jy ! Component: 2700 - total flux cleaned = 0.000862898 Jy ! Component: 2750 - total flux cleaned = 0.000885295 Jy ! Component: 2800 - total flux cleaned = 0.000907467 Jy ! Component: 2850 - total flux cleaned = 0.000889796 Jy ! Component: 2900 - total flux cleaned = 0.00091604 Jy ! Component: 2950 - total flux cleaned = 0.000902959 Jy ! Component: 3000 - total flux cleaned = 0.000937455 Jy ! Component: 3050 - total flux cleaned = 0.000928853 Jy ! Component: 3100 - total flux cleaned = 0.000920337 Jy ! Component: 3150 - total flux cleaned = 0.000928818 Jy ! Component: 3200 - total flux cleaned = 0.000949851 Jy ! Component: 3250 - total flux cleaned = 0.000966546 Jy ! Component: 3300 - total flux cleaned = 0.000974854 Jy ! Component: 3350 - total flux cleaned = 0.000983116 Jy ! Component: 3400 - total flux cleaned = 0.00100769 Jy ! Component: 3450 - total flux cleaned = 0.00101178 Jy ! Component: 3500 - total flux cleaned = 0.00103195 Jy ! Component: 3550 - total flux cleaned = 0.00103598 Jy ! Component: 3600 - total flux cleaned = 0.00104394 Jy ! Component: 3650 - total flux cleaned = 0.0010519 Jy ! Component: 3700 - total flux cleaned = 0.00107557 Jy ! Component: 3750 - total flux cleaned = 0.00109518 Jy ! Component: 3800 - total flux cleaned = 0.00109126 Jy ! Component: 3850 - total flux cleaned = 0.00110682 Jy ! Component: 3900 - total flux cleaned = 0.0011184 Jy ! Component: 3950 - total flux cleaned = 0.00113372 Jy ! Component: 4000 - total flux cleaned = 0.00114521 Jy ! Component: 4050 - total flux cleaned = 0.00116418 Jy ! Total flux subtracted in 4096 components = 0.0011755 Jy ! Clean residual min=-0.000248 max=0.000210 Jy/beam ! Clean residual mean=0.000000 rms=0.000066 Jy/beam ! Combined flux in latest and established models = 0.0213447 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 381 components and 0.0213447 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J0831+1746_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.606 x 4.019 at -8.637 degrees (North through East) ! Clean map min=-0.00078574 max=0.017466 Jy/beam ! Writing clean map to FITS file: .//J0831+1746_C_map.fits wmodel .//J0831+1746_C_map.mod ! Writing 381 model components to file: .//J0831+1746_C_map.mod wobs .//J0831+1746_C_uvs.fits ! Writing UV FITS file: .//J0831+1746_C_uvs.fits wwins .//J0831+1746_C_map.win ! wwins: Wrote 4 windows to .//J0831+1746_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0174665 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.44254e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.10656 1.10656 2.21311 4.42623 8.85245 17.7049 35.4098 70.8196 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.017 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 271.111 quit ! Quitting program ! Log file .//J0831+1746_C_dfm.log closed on Mon Jan 20 17:45:38 2020