! Started logfile: .//J0218+1825_X_dfm.log on Mon Jan 20 17:15:16 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs .//J0218+1825_X_uva.fits ! Reading UV FITS file: .//J0218+1825_X_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.973958 visibilities/baseline/integration-bin. ! Found source: J0218+1825 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 4488 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0218+1825_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002402Jy sigma=19.235645 ! Fit after self-cal, rms=0.976696Jy sigma=18.756130 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8572 mas, bmaj=2.01 mas, bpa=12.69 degrees ! Estimated noise=0.84703 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 = 0.0183976 Jy ! Component: 100 - total flux cleaned = 0.022427 Jy ! Total flux subtracted in 100 components = 0.022427 Jy ! Clean residual min=-0.002358 max=0.002812 Jy/beam ! Clean residual mean=0.000001 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.022427 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.022427 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=0.040982Jy sigma=0.704795 ! Fit after self-cal, rms=0.039066Jy sigma=0.662647 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00351166 Jy ! Component: 100 - total flux cleaned = 0.00465922 Jy ! Total flux subtracted in 100 components = 0.00465922 Jy ! Clean residual min=-0.002337 max=0.002602 Jy/beam ! Clean residual mean=0.000001 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.0270862 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 0.0270862 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=0.038710Jy sigma=0.655946 ! Fit after self-cal, rms=0.038715Jy sigma=0.655929 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9896 mas, bmaj=2.192 mas, bpa=11.21 degrees ! Estimated noise=0.562665 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 = 0.0011102 Jy ! Component: 100 - total flux cleaned = 0.00153962 Jy ! Component: 150 - total flux cleaned = 0.00168887 Jy ! Component: 200 - total flux cleaned = 0.00181929 Jy ! Total flux subtracted in 200 components = 0.00181929 Jy ! Clean residual min=-0.002120 max=0.002294 Jy/beam ! Clean residual mean=0.000002 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.0289055 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.0289055 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=0.038671Jy sigma=0.655269 ! Fit after self-cal, rms=0.038677Jy sigma=0.655155 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9896 x 2.192 at 11.21 degrees (North through East) ! Clean map min=-0.0020278 max=0.027256 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.06 HN 1.35 KP 0.97 ! MK 1.07 NL 0.96 OV 1.03 PT 1.05 ! SC 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.87 HN 1.00 KP 1.05 ! MK 0.94 NL 1.03 OV 1.15 PT 1.21 ! SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 1.04 KP 0.87 ! MK 0.97 NL 1.01 OV 1.06 PT 0.96 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.21 HN 1.06 KP 1.04 ! MK 1.04 NL 0.95 OV 1.00 PT 0.94 ! SC 1.20 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.87 HN 0.96 KP 0.95 ! MK 1.14 NL 1.10 OV 1.15 PT 0.80 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.90 HN 0.98 KP 0.92 ! MK 0.86 NL 1.00 OV 1.07 PT 1.08 ! SC 0.82 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.07 HN 0.81 KP 0.91 ! MK 1.02 NL 0.90 OV 1.05 PT 0.96 ! SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.99 HN 1.17 KP 0.92 ! MK 0.90 NL 0.98 OV 1.08 PT 0.96 ! SC 1.11 ! ! ! Fit before self-cal, rms=0.038677Jy sigma=0.655155 ! Fit after self-cal, rms=0.039144Jy sigma=0.651298 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.99 mas, bmaj=2.197 mas, bpa=10.97 degrees ! Estimated noise=0.563479 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 = 2.59584e-05 Jy ! Component: 100 - total flux cleaned = 7.45286e-05 Jy ! Component: 150 - total flux cleaned = 8.89976e-05 Jy ! Component: 200 - total flux cleaned = 0.000102825 Jy ! Total flux subtracted in 200 components = 0.000102825 Jy ! Clean residual min=-0.001980 max=0.002317 Jy/beam ! Clean residual mean=0.000001 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 0.0290083 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 20 components and 0.0290083 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=0.039131Jy sigma=0.651060 ! Fit after self-cal, rms=0.039173Jy sigma=0.650285 ! 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=0.039173Jy sigma=0.650285 ! Fit after self-cal, rms=0.039422Jy sigma=0.650201 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9894 mas, bmaj=2.198 mas, bpa=10.8 degrees ! Estimated noise=0.564747 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000132643 Jy ! Component: 100 - total flux cleaned = 0.000160864 Jy ! Component: 150 - total flux cleaned = 0.000185826 Jy ! Component: 200 - total flux cleaned = 0.000197346 Jy ! Total flux subtracted in 200 components = 0.000197346 Jy ! Clean residual min=-0.001898 max=0.002235 Jy/beam ! Clean residual mean=0.000001 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.0292057 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 0.0292057 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=0.039412Jy sigma=0.650041 ! Fit after self-cal, rms=0.039423Jy sigma=0.650019 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 (-6.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00188471 Jy ! Component: 100 - total flux cleaned = 0.00264611 Jy ! Component: 150 - total flux cleaned = 0.00312152 Jy ! Component: 200 - total flux cleaned = 0.00358565 Jy ! Total flux subtracted in 200 components = 0.00358565 Jy ! Clean residual min=-0.001784 max=0.001764 Jy/beam ! Clean residual mean=0.000001 rms=0.000401 Jy/beam ! Combined flux in latest and established models = 0.0327913 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 45 components and 0.0327913 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=0.039317Jy sigma=0.648048 ! Fit after self-cal, rms=0.039296Jy sigma=0.647702 ! Inverting map ! Added new window around map position (-3.6, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158933 Jy ! Component: 100 - total flux cleaned = 0.00241887 Jy ! Component: 150 - total flux cleaned = 0.00301169 Jy ! Component: 200 - total flux cleaned = 0.00336888 Jy ! Total flux subtracted in 200 components = 0.00336888 Jy ! Clean residual min=-0.001561 max=0.001170 Jy/beam ! Clean residual mean=0.000001 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.0361602 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 69 components and 0.0361602 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=0.039216Jy sigma=0.646196 ! Fit after self-cal, rms=0.039207Jy sigma=0.645958 ! 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=0.039207Jy sigma=0.645958 ! Fit after self-cal, rms=0.038851Jy sigma=0.645772 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9932 mas, bmaj=2.203 mas, bpa=10.65 degrees ! Estimated noise=0.56076 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000540088 Jy ! Component: 100 - total flux cleaned = 0.000802539 Jy ! Component: 150 - total flux cleaned = 0.00095462 Jy ! Component: 200 - total flux cleaned = 0.00110671 Jy ! Total flux subtracted in 200 components = 0.00110671 Jy ! Clean residual min=-0.001429 max=0.001153 Jy/beam ! Clean residual mean=0.000000 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.0372669 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 83 components and 0.0372669 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=0.038826Jy sigma=0.645275 ! Fit after self-cal, rms=0.038831Jy sigma=0.645192 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 = 0.000163059 Jy ! Component: 100 - total flux cleaned = 0.000276398 Jy ! Component: 150 - total flux cleaned = 0.000350231 Jy ! Component: 200 - total flux cleaned = 0.000432498 Jy ! Total flux subtracted in 200 components = 0.000432498 Jy ! Clean residual min=-0.001369 max=0.001136 Jy/beam ! Clean residual mean=0.000000 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.0376994 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 89 components and 0.0376994 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=0.038819Jy sigma=0.644954 ! Fit after self-cal, rms=0.038819Jy sigma=0.644938 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.038819Jy sigma=0.644938 ! Fit after self-cal, rms=0.038871Jy sigma=0.644872 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.946 mas, bmaj=2.829 mas, bpa=-1.445 degrees ! Estimated noise=0.676376 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000588949 Jy ! Component: 100 - total flux cleaned = 0.000877638 Jy ! Component: 150 - total flux cleaned = 0.000988931 Jy ! Component: 200 - total flux cleaned = 0.00106153 Jy ! Total flux subtracted in 200 components = 0.00106153 Jy ! Clean residual min=-0.001547 max=0.001424 Jy/beam ! Clean residual mean=-0.000000 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.0387609 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 108 components and 0.0387609 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=0.038869Jy sigma=0.644791 ! Fit after self-cal, rms=0.038872Jy sigma=0.644758 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 = 0.000248998 Jy ! Component: 100 - total flux cleaned = 0.00030305 Jy ! Component: 150 - total flux cleaned = 0.000302327 Jy ! Component: 200 - total flux cleaned = 0.000285401 Jy ! Total flux subtracted in 200 components = 0.000285401 Jy ! Clean residual min=-0.001539 max=0.001368 Jy/beam ! Clean residual mean=-0.000000 rms=0.000400 Jy/beam ! Combined flux in latest and established models = 0.0390463 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 119 components and 0.0390463 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=0.038872Jy sigma=0.644733 ! Fit after self-cal, rms=0.038872Jy sigma=0.644725 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.9947 mas, bmaj=2.204 mas, bpa=10.52 degrees ! Estimated noise=0.562039 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9947 x 2.204 at 10.52 degrees (North through East) ! Clean map min=-0.0012043 max=0.027537 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8676 mas, bmaj=2.019 mas, bpa=12.06 degrees ! Estimated noise=0.864054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.021084 Jy ! Component: 100 - total flux cleaned = 0.0261496 Jy ! Component: 150 - total flux cleaned = 0.0287711 Jy ! Component: 200 - total flux cleaned = 0.0300255 Jy ! Total flux subtracted in 200 components = 0.0300255 Jy ! Clean residual min=-0.002306 max=0.002177 Jy/beam ! Clean residual mean=0.000001 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.0300255 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0300255 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9947 mas, bmaj=2.204 mas, bpa=10.52 degrees ! Estimated noise=0.562039 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 = 0.00194297 Jy ! Component: 100 - total flux cleaned = 0.0032964 Jy ! Component: 150 - total flux cleaned = 0.0042844 Jy ! Component: 200 - total flux cleaned = 0.00502174 Jy ! Total flux subtracted in 200 components = 0.00502174 Jy ! Clean residual min=-0.001640 max=0.001334 Jy/beam ! Clean residual mean=0.000001 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.0350472 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 45 components and 0.0350472 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.946 mas, bmaj=2.829 mas, bpa=-1.445 degrees ! Estimated noise=0.676376 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129067 Jy ! Component: 100 - total flux cleaned = 0.00208202 Jy ! Component: 150 - total flux cleaned = 0.00253417 Jy ! Component: 200 - total flux cleaned = 0.00272742 Jy ! Total flux subtracted in 200 components = 0.00272742 Jy ! Clean residual min=-0.001593 max=0.001368 Jy/beam ! Clean residual mean=0.000000 rms=0.000421 Jy/beam ! Combined flux in latest and established models = 0.0377747 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 = 0.00013411 Jy ! Component: 100 - total flux cleaned = 0.000269221 Jy ! Component: 150 - total flux cleaned = 0.00037616 Jy ! Component: 200 - total flux cleaned = 0.000472257 Jy ! Total flux subtracted in 200 components = 0.000472257 Jy ! Clean residual min=-0.001547 max=0.001330 Jy/beam ! Clean residual mean=-0.000000 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.0382469 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 91 components and 0.0382469 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9947 mas, bmaj=2.204 mas, bpa=10.52 degrees ! Estimated noise=0.562039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.61161e-05 Jy ! Component: 100 - total flux cleaned = 6.22889e-05 Jy ! Component: 150 - total flux cleaned = 6.21991e-05 Jy ! Component: 200 - total flux cleaned = 0.000101239 Jy ! Total flux subtracted in 200 components = 0.000101239 Jy ! Clean residual min=-0.001431 max=0.001236 Jy/beam ! Clean residual mean=0.000000 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.0383482 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 116 components and 0.0383482 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=0.038907Jy sigma=0.645255 ! Fit after self-cal, rms=0.038906Jy sigma=0.645155 wmodel J0218+1825_X_map.mod ! Writing 116 model components to file: J0218+1825_X_map.mod wobs J0218+1825_X_uvs.fits ! Writing UV FITS file: J0218+1825_X_uvs.fits wwins J0218+1825_X_map.win ! wwins: Wrote 3 windows to J0218+1825_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000423435 Jy ! Component: 100 - total flux cleaned = -0.000556563 Jy ! Component: 150 - total flux cleaned = -0.000496772 Jy ! Component: 200 - total flux cleaned = -0.000459038 Jy ! Component: 250 - total flux cleaned = -0.000295808 Jy ! Component: 300 - total flux cleaned = -0.000155263 Jy ! Component: 350 - total flux cleaned = 3.08411e-05 Jy ! Component: 400 - total flux cleaned = 0.000210977 Jy ! Component: 450 - total flux cleaned = 0.00033825 Jy ! Component: 500 - total flux cleaned = 0.000476985 Jy ! Component: 550 - total flux cleaned = 0.00055186 Jy ! Component: 600 - total flux cleaned = 0.000640164 Jy ! Component: 650 - total flux cleaned = 0.000740436 Jy ! Component: 700 - total flux cleaned = 0.000824287 Jy ! Component: 750 - total flux cleaned = 0.000906324 Jy ! Component: 800 - total flux cleaned = 0.000973162 Jy ! Component: 850 - total flux cleaned = 0.00103855 Jy ! Component: 900 - total flux cleaned = 0.00105131 Jy ! Component: 950 - total flux cleaned = 0.00107669 Jy ! Component: 1000 - total flux cleaned = 0.00111421 Jy ! Component: 1050 - total flux cleaned = 0.00116287 Jy ! Component: 1100 - total flux cleaned = 0.00116285 Jy ! Component: 1150 - total flux cleaned = 0.00121002 Jy ! Component: 1200 - total flux cleaned = 0.00125641 Jy ! Component: 1250 - total flux cleaned = 0.00124496 Jy ! Component: 1300 - total flux cleaned = 0.00130108 Jy ! Component: 1350 - total flux cleaned = 0.00134533 Jy ! Component: 1400 - total flux cleaned = 0.00139974 Jy ! Component: 1450 - total flux cleaned = 0.00141048 Jy ! Component: 1500 - total flux cleaned = 0.00145287 Jy ! Component: 1550 - total flux cleaned = 0.00148409 Jy ! Component: 1600 - total flux cleaned = 0.00154579 Jy ! Component: 1650 - total flux cleaned = 0.0015556 Jy ! Component: 1700 - total flux cleaned = 0.00154548 Jy ! Component: 1750 - total flux cleaned = 0.00157519 Jy ! Component: 1800 - total flux cleaned = 0.001585 Jy ! Component: 1850 - total flux cleaned = 0.00158512 Jy ! Component: 1900 - total flux cleaned = 0.00158519 Jy ! Component: 1950 - total flux cleaned = 0.00159472 Jy ! Component: 2000 - total flux cleaned = 0.00159469 Jy ! Component: 2050 - total flux cleaned = 0.00157619 Jy ! Component: 2100 - total flux cleaned = 0.00156717 Jy ! Component: 2150 - total flux cleaned = 0.00155814 Jy ! Component: 2200 - total flux cleaned = 0.00155802 Jy ! Component: 2250 - total flux cleaned = 0.00154916 Jy ! Component: 2300 - total flux cleaned = 0.00154916 Jy ! Component: 2350 - total flux cleaned = 0.0015405 Jy ! Component: 2400 - total flux cleaned = 0.00157495 Jy ! Component: 2450 - total flux cleaned = 0.0015834 Jy ! Component: 2500 - total flux cleaned = 0.00160025 Jy ! Component: 2550 - total flux cleaned = 0.00160016 Jy ! Component: 2600 - total flux cleaned = 0.00161683 Jy ! Component: 2650 - total flux cleaned = 0.00162503 Jy ! Component: 2700 - total flux cleaned = 0.0016414 Jy ! Component: 2750 - total flux cleaned = 0.00165764 Jy ! Component: 2800 - total flux cleaned = 0.00167369 Jy ! Component: 2850 - total flux cleaned = 0.00168172 Jy ! Component: 2900 - total flux cleaned = 0.00168167 Jy ! Component: 2950 - total flux cleaned = 0.00165803 Jy ! Component: 3000 - total flux cleaned = 0.00164242 Jy ! Component: 3050 - total flux cleaned = 0.00165788 Jy ! Component: 3100 - total flux cleaned = 0.00163474 Jy ! Component: 3150 - total flux cleaned = 0.00165 Jy ! Component: 3200 - total flux cleaned = 0.00164229 Jy ! Component: 3250 - total flux cleaned = 0.00163476 Jy ! Component: 3300 - total flux cleaned = 0.00164232 Jy ! Component: 3350 - total flux cleaned = 0.00166478 Jy ! Component: 3400 - total flux cleaned = 0.00163497 Jy ! Component: 3450 - total flux cleaned = 0.00164983 Jy ! Component: 3500 - total flux cleaned = 0.00166457 Jy ! Component: 3550 - total flux cleaned = 0.0016205 Jy ! Component: 3600 - total flux cleaned = 0.00163508 Jy ! Component: 3650 - total flux cleaned = 0.00164239 Jy ! Component: 3700 - total flux cleaned = 0.00161339 Jy ! Component: 3750 - total flux cleaned = 0.0016278 Jy ! Component: 3800 - total flux cleaned = 0.00160617 Jy ! Component: 3850 - total flux cleaned = 0.00159181 Jy ! Component: 3900 - total flux cleaned = 0.00157753 Jy ! Component: 3950 - total flux cleaned = 0.00157752 Jy ! Component: 4000 - total flux cleaned = 0.00155625 Jy ! Component: 4050 - total flux cleaned = 0.00156328 Jy ! Total flux subtracted in 4096 components = 0.00154214 Jy ! Clean residual min=-0.000439 max=0.000441 Jy/beam ! Clean residual mean=0.000000 rms=0.000115 Jy/beam ! Combined flux in latest and established models = 0.0398903 Jy keep ! Adding 246 model components to the UV plane model. ! The established model now contains 362 components and 0.0398903 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J0218+1825_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9947 x 2.204 at 10.52 degrees (North through East) ! Clean map min=-0.00081363 max=0.027356 Jy/beam ! Writing clean map to FITS file: .//J0218+1825_X_map.fits wmodel .//J0218+1825_X_map.mod ! Writing 362 model components to file: .//J0218+1825_X_map.mod wobs .//J0218+1825_X_uvs.fits ! Writing UV FITS file: .//J0218+1825_X_uvs.fits wwins .//J0218+1825_X_map.win ! wwins: Wrote 4 windows to .//J0218+1825_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0273564 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000110072 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.20709 1.20709 2.41418 4.82837 9.65674 19.3135 38.6269 77.2539 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= 248.531 quit ! Quitting program ! Log file .//J0218+1825_X_dfm.log closed on Mon Jan 20 17:15:20 2020