! Started logfile: .//J0837-1951_X_dfm.log on Mon Jan 20 00:02:16 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 .//J0837-1951_X_uvm.fits ! Reading UV FITS file: .//J0837-1951_X_uvm.fits ! AN table 1: 45 integrations on 15 of 15 possible baselines. ! AN table 2: 140 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.955463 visibilities/baseline/integration-bin. ! Found source: J0837-1951 ! ! 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 67 lines of history. ! ! Reading 27632 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 J0837-1951_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 27 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 27 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 27 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 27 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 27 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.003610Jy sigma=16.219247 ! Fit after self-cal, rms=0.941241Jy sigma=15.124848 ! 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=1.256 mas, bmaj=5.935 mas, bpa=-9.602 degrees ! Estimated noise=0.509374 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 = 0.0417439 Jy ! Component: 100 - total flux cleaned = 0.0578597 Jy ! Total flux subtracted in 100 components = 0.0578597 Jy ! Clean residual min=-0.008177 max=0.011456 Jy/beam ! Clean residual mean=0.000053 rms=0.002397 Jy/beam ! Combined flux in latest and established models = 0.0578597 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0578597 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=0.069254Jy sigma=1.079069 ! Fit after self-cal, rms=0.068461Jy sigma=1.066449 ! 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=6.015 mas, bpa=-10.14 degrees ! Estimated noise=0.268519 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 = 0.0170758 Jy ! Component: 100 - total flux cleaned = 0.0279099 Jy ! Component: 150 - total flux cleaned = 0.0354231 Jy ! Component: 200 - total flux cleaned = 0.0407846 Jy ! Total flux subtracted in 200 components = 0.0407846 Jy ! Clean residual min=-0.009183 max=0.012616 Jy/beam ! Clean residual mean=0.000041 rms=0.003018 Jy/beam ! Combined flux in latest and established models = 0.0986443 Jy ! Performing phase self-cal ! Adding 84 model components to the UV plane model. ! The established model now contains 100 components and 0.0986443 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=0.064001Jy sigma=0.973487 ! Fit after self-cal, rms=0.063748Jy sigma=0.969882 ! 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 6.015 at -10.14 degrees (North through East) ! Clean map min=-0.0092348 max=0.062833 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.90 HN 1.61 NL 0.97 ! OV 1.77 PT 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.89 HN 0.94 KP 1.03 ! NL 1.16 OV 0.95 PT 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 0.77 HN 1.48 NL 0.90 ! OV 1.71 PT 0.76 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.88 HN 1.01 KP 1.13 ! NL 1.13 OV 0.94 PT 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.71 HN 1.45 NL 0.99 ! OV 1.63 PT 0.81 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.84 HN 1.00 KP 1.16 ! NL 1.18 OV 0.97 PT 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 0.70 HN 1.53 NL 1.01 ! OV 1.41 PT 0.77 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.88 HN 0.86 KP 1.08 ! NL 1.15 OV 0.94 PT 1.08 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.27 FD 0.65 HN 1.40 NL 0.99 ! OV 1.25 PT 0.72 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.99 HN 0.89 KP 0.96 ! NL 1.09 OV 1.01 PT 0.88 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.68 HN 1.50 NL 0.97 ! OV 1.25 PT 0.71 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.94 HN 0.87 KP 0.94 ! NL 1.23 OV 1.08 PT 0.86 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 0.67 HN 1.24 NL 0.90 ! OV 1.22 PT 0.72 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.94 HN 0.92 KP 0.93 ! NL 1.15 OV 1.04 PT 0.80 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.36 FD 0.69 HN 1.19 NL 1.04 ! OV 1.34 PT 0.69 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 HN 0.88 KP 0.89 ! NL 1.21 OV 1.12 PT 0.75 ! ! ! Fit before self-cal, rms=0.063748Jy sigma=0.969882 ! Fit after self-cal, rms=0.061769Jy sigma=0.937800 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=5.975 mas, bpa=-10.11 degrees ! Estimated noise=0.261342 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 = 0.0028497 Jy ! Component: 100 - total flux cleaned = 0.00297263 Jy ! Component: 150 - total flux cleaned = 0.00307215 Jy ! Component: 200 - total flux cleaned = 0.00315838 Jy ! Total flux subtracted in 200 components = 0.00315838 Jy ! Clean residual min=-0.008072 max=0.011617 Jy/beam ! Clean residual mean=0.000019 rms=0.002670 Jy/beam ! Combined flux in latest and established models = 0.101803 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 114 components and 0.101803 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=0.061616Jy sigma=0.934692 ! Fit after self-cal, rms=0.062037Jy sigma=0.931798 ! 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=0.062037Jy sigma=0.931798 ! Fit after self-cal, rms=0.063561Jy sigma=0.928895 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.644 mas, bmaj=5.904 mas, bpa=-9.983 degrees ! Estimated noise=0.262593 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204305 Jy ! Component: 100 - total flux cleaned = 0.00256512 Jy ! Component: 150 - total flux cleaned = 0.00272592 Jy ! Component: 200 - total flux cleaned = 0.00275425 Jy ! Total flux subtracted in 200 components = 0.00275425 Jy ! Clean residual min=-0.008377 max=0.011306 Jy/beam ! Clean residual mean=0.000018 rms=0.002604 Jy/beam ! Combined flux in latest and established models = 0.104557 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 127 components and 0.104557 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=0.063481Jy sigma=0.927662 ! Fit after self-cal, rms=0.063540Jy sigma=0.927189 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 (-2.8, -13.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100789 Jy ! Component: 100 - total flux cleaned = 0.0147168 Jy ! Component: 150 - total flux cleaned = 0.0162278 Jy ! Component: 200 - total flux cleaned = 0.0170843 Jy ! Total flux subtracted in 200 components = 0.0170843 Jy ! Clean residual min=-0.008219 max=0.010698 Jy/beam ! Clean residual mean=0.000025 rms=0.002225 Jy/beam ! Combined flux in latest and established models = 0.121641 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 164 components and 0.121641 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=0.061810Jy sigma=0.894950 ! Fit after self-cal, rms=0.061272Jy sigma=0.887313 ! Inverting map ! Added new window around map position (-9.6, 20.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100146 Jy ! Component: 100 - total flux cleaned = 0.0160377 Jy ! Component: 150 - total flux cleaned = 0.0189361 Jy ! Component: 200 - total flux cleaned = 0.0213376 Jy ! Total flux subtracted in 200 components = 0.0213376 Jy ! Clean residual min=-0.006482 max=0.006463 Jy/beam ! Clean residual mean=0.000023 rms=0.001770 Jy/beam ! Combined flux in latest and established models = 0.142979 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 210 components and 0.142979 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=0.059375Jy sigma=0.848029 ! Fit after self-cal, rms=0.058914Jy sigma=0.840389 ! 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=0.058914Jy sigma=0.840389 ! Fit after self-cal, rms=0.058101Jy sigma=0.804100 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.648 mas, bmaj=5.916 mas, bpa=-10.16 degrees ! Estimated noise=0.257805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00484711 Jy ! Component: 100 - total flux cleaned = 0.00748416 Jy ! Component: 150 - total flux cleaned = 0.00896756 Jy ! Component: 200 - total flux cleaned = 0.0103792 Jy ! Total flux subtracted in 200 components = 0.0103792 Jy ! Clean residual min=-0.004520 max=0.005821 Jy/beam ! Clean residual mean=0.000003 rms=0.001449 Jy/beam ! Combined flux in latest and established models = 0.153358 Jy selfcal ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 265 components and 0.153358 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=0.057514Jy sigma=0.790198 ! Fit after self-cal, rms=0.057457Jy sigma=0.787844 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 = 0.00251635 Jy ! Component: 100 - total flux cleaned = 0.00363256 Jy ! Component: 150 - total flux cleaned = 0.00472619 Jy ! Component: 200 - total flux cleaned = 0.00571229 Jy ! Total flux subtracted in 200 components = 0.00571229 Jy ! Clean residual min=-0.004409 max=0.005569 Jy/beam ! Clean residual mean=0.000004 rms=0.001355 Jy/beam ! Combined flux in latest and established models = 0.15907 Jy ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 297 components and 0.15907 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=0.057186Jy sigma=0.781409 ! Fit after self-cal, rms=0.057112Jy sigma=0.780805 ! 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=0.057112Jy sigma=0.780805 ! Fit after self-cal, rms=0.057729Jy sigma=0.778418 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.466 mas, bmaj=5.886 mas, bpa=-9.535 degrees ! Estimated noise=0.266159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00253128 Jy ! Component: 100 - total flux cleaned = 0.0039074 Jy ! Component: 150 - total flux cleaned = 0.00500333 Jy ! Component: 200 - total flux cleaned = 0.00596197 Jy ! Total flux subtracted in 200 components = 0.00596197 Jy ! Clean residual min=-0.004994 max=0.006116 Jy/beam ! Clean residual mean=0.000003 rms=0.001560 Jy/beam ! Combined flux in latest and established models = 0.165032 Jy selfcal ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 324 components and 0.165032 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=0.057546Jy sigma=0.772304 ! Fit after self-cal, rms=0.057517Jy sigma=0.771621 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 = 0.00172427 Jy ! Component: 100 - total flux cleaned = 0.00266958 Jy ! Component: 150 - total flux cleaned = 0.003516 Jy ! Component: 200 - total flux cleaned = 0.00404746 Jy ! Total flux subtracted in 200 components = 0.00404746 Jy ! Clean residual min=-0.004920 max=0.005832 Jy/beam ! Clean residual mean=0.000003 rms=0.001491 Jy/beam ! Combined flux in latest and established models = 0.16908 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 359 components and 0.16908 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=0.057438Jy sigma=0.768907 ! Fit after self-cal, rms=0.057407Jy sigma=0.768632 ! 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=1.658 mas, bmaj=5.938 mas, bpa=-10.3 degrees ! Estimated noise=0.258166 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.658 x 5.938 at -10.3 degrees (North through East) ! Clean map min=-0.0045514 max=0.059953 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=1.269 mas, bmaj=5.826 mas, bpa=-9.742 degrees ! Estimated noise=0.489697 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0393492 Jy ! Component: 100 - total flux cleaned = 0.0578209 Jy ! Component: 150 - total flux cleaned = 0.0709011 Jy ! Component: 200 - total flux cleaned = 0.0808484 Jy ! Total flux subtracted in 200 components = 0.0808484 Jy ! Clean residual min=-0.006986 max=0.006929 Jy/beam ! Clean residual mean=0.000027 rms=0.002008 Jy/beam ! Combined flux in latest and established models = 0.0808483 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 42 model components to the UV plane model. ! The established model now contains 42 components and 0.0808483 Jy ! Inverting map and beam ! Estimated beam: bmin=1.658 mas, bmaj=5.938 mas, bpa=-10.3 degrees ! Estimated noise=0.258166 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 = 0.0134589 Jy ! Component: 100 - total flux cleaned = 0.0238163 Jy ! Component: 150 - total flux cleaned = 0.0323417 Jy ! Component: 200 - total flux cleaned = 0.0395204 Jy ! Total flux subtracted in 200 components = 0.0395204 Jy ! Clean residual min=-0.006671 max=0.006277 Jy/beam ! Clean residual mean=0.000013 rms=0.002124 Jy/beam ! Combined flux in latest and established models = 0.120369 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 113 components and 0.120369 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.466 mas, bmaj=5.886 mas, bpa=-9.535 degrees ! Estimated noise=0.266159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00780069 Jy ! Component: 100 - total flux cleaned = 0.0128418 Jy ! Component: 150 - total flux cleaned = 0.0169081 Jy ! Component: 200 - total flux cleaned = 0.0202559 Jy ! Total flux subtracted in 200 components = 0.0202559 Jy ! Clean residual min=-0.007034 max=0.007211 Jy/beam ! Clean residual mean=0.000012 rms=0.002126 Jy/beam ! Combined flux in latest and established models = 0.140625 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 = 0.00311061 Jy ! Component: 100 - total flux cleaned = 0.00601626 Jy ! Component: 150 - total flux cleaned = 0.00862213 Jy ! Component: 200 - total flux cleaned = 0.0109779 Jy ! Total flux subtracted in 200 components = 0.0109779 Jy ! Clean residual min=-0.006065 max=0.006714 Jy/beam ! Clean residual mean=0.000009 rms=0.001825 Jy/beam ! Combined flux in latest and established models = 0.151602 Jy ! Adding 116 model components to the UV plane model. ! The established model now contains 214 components and 0.151602 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.658 mas, bmaj=5.938 mas, bpa=-10.3 degrees ! Estimated noise=0.258166 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00216856 Jy ! Component: 100 - total flux cleaned = 0.00389563 Jy ! Component: 150 - total flux cleaned = 0.00545528 Jy ! Component: 200 - total flux cleaned = 0.00651546 Jy ! Total flux subtracted in 200 components = 0.00651546 Jy ! Clean residual min=-0.004407 max=0.005361 Jy/beam ! Clean residual mean=0.000005 rms=0.001328 Jy/beam ! Combined flux in latest and established models = 0.158118 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 255 components and 0.158118 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=0.057520Jy sigma=0.775355 ! Fit after self-cal, rms=0.057423Jy sigma=0.774294 wmodel J0837-1951_X_map.mod ! Writing 255 model components to file: J0837-1951_X_map.mod wobs J0837-1951_X_uvs.fits ! Writing UV FITS file: J0837-1951_X_uvs.fits wwins J0837-1951_X_map.win ! wwins: Wrote 3 windows to J0837-1951_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 = 0.00201831 Jy ! Component: 100 - total flux cleaned = 0.00296871 Jy ! Component: 150 - total flux cleaned = 0.00361293 Jy ! Component: 200 - total flux cleaned = 0.00435117 Jy ! Component: 250 - total flux cleaned = 0.00498738 Jy ! Component: 300 - total flux cleaned = 0.00553225 Jy ! Component: 350 - total flux cleaned = 0.00605142 Jy ! Component: 400 - total flux cleaned = 0.00638469 Jy ! Component: 450 - total flux cleaned = 0.00665004 Jy ! Component: 500 - total flux cleaned = 0.00690773 Jy ! Component: 550 - total flux cleaned = 0.00715736 Jy ! Component: 600 - total flux cleaned = 0.00730259 Jy ! Component: 650 - total flux cleaned = 0.0071612 Jy ! Component: 700 - total flux cleaned = 0.00711708 Jy ! Component: 750 - total flux cleaned = 0.00716199 Jy ! Component: 800 - total flux cleaned = 0.00702875 Jy ! Component: 850 - total flux cleaned = 0.00698632 Jy ! Component: 900 - total flux cleaned = 0.00690148 Jy ! Component: 950 - total flux cleaned = 0.0069428 Jy ! Component: 1000 - total flux cleaned = 0.00681978 Jy ! Component: 1050 - total flux cleaned = 0.00670073 Jy ! Component: 1100 - total flux cleaned = 0.00666084 Jy ! Component: 1150 - total flux cleaned = 0.00662153 Jy ! Component: 1200 - total flux cleaned = 0.00658386 Jy ! Component: 1250 - total flux cleaned = 0.00654659 Jy ! Component: 1300 - total flux cleaned = 0.00647444 Jy ! Component: 1350 - total flux cleaned = 0.00643854 Jy ! Component: 1400 - total flux cleaned = 0.0063328 Jy ! Component: 1450 - total flux cleaned = 0.00633202 Jy ! Component: 1500 - total flux cleaned = 0.00633166 Jy ! Component: 1550 - total flux cleaned = 0.00623129 Jy ! Component: 1600 - total flux cleaned = 0.00636393 Jy ! Component: 1650 - total flux cleaned = 0.00620158 Jy ! Component: 1700 - total flux cleaned = 0.00633035 Jy ! Component: 1750 - total flux cleaned = 0.00610868 Jy ! Component: 1800 - total flux cleaned = 0.00623464 Jy ! Component: 1850 - total flux cleaned = 0.00629668 Jy ! Component: 1900 - total flux cleaned = 0.00623654 Jy ! Component: 1950 - total flux cleaned = 0.00632677 Jy ! Component: 2000 - total flux cleaned = 0.00626807 Jy ! Component: 2050 - total flux cleaned = 0.00629778 Jy ! Component: 2100 - total flux cleaned = 0.0062982 Jy ! Component: 2150 - total flux cleaned = 0.0062695 Jy ! Component: 2200 - total flux cleaned = 0.0062975 Jy ! Component: 2250 - total flux cleaned = 0.00624169 Jy ! Component: 2300 - total flux cleaned = 0.00621405 Jy ! Component: 2350 - total flux cleaned = 0.00613288 Jy ! Component: 2400 - total flux cleaned = 0.00616007 Jy ! Component: 2450 - total flux cleaned = 0.0061336 Jy ! Component: 2500 - total flux cleaned = 0.00613361 Jy ! Component: 2550 - total flux cleaned = 0.00605543 Jy ! Component: 2600 - total flux cleaned = 0.00603034 Jy ! Component: 2650 - total flux cleaned = 0.00605568 Jy ! Component: 2700 - total flux cleaned = 0.00608051 Jy ! Component: 2750 - total flux cleaned = 0.00605536 Jy ! Component: 2800 - total flux cleaned = 0.00607953 Jy ! Component: 2850 - total flux cleaned = 0.00600614 Jy ! Component: 2900 - total flux cleaned = 0.00605456 Jy ! Component: 2950 - total flux cleaned = 0.00598286 Jy ! Component: 3000 - total flux cleaned = 0.00600666 Jy ! Component: 3050 - total flux cleaned = 0.00593614 Jy ! Component: 3100 - total flux cleaned = 0.00602878 Jy ! Component: 3150 - total flux cleaned = 0.00596022 Jy ! Component: 3200 - total flux cleaned = 0.00586952 Jy ! Component: 3250 - total flux cleaned = 0.00593698 Jy ! Component: 3300 - total flux cleaned = 0.0059146 Jy ! Component: 3350 - total flux cleaned = 0.00591436 Jy ! Component: 3400 - total flux cleaned = 0.00589228 Jy ! Component: 3450 - total flux cleaned = 0.00571912 Jy ! Component: 3500 - total flux cleaned = 0.00578375 Jy ! Component: 3550 - total flux cleaned = 0.00576252 Jy ! Component: 3600 - total flux cleaned = 0.00582574 Jy ! Component: 3650 - total flux cleaned = 0.00572078 Jy ! Component: 3700 - total flux cleaned = 0.0057417 Jy ! Component: 3750 - total flux cleaned = 0.00578316 Jy ! Component: 3800 - total flux cleaned = 0.00578316 Jy ! Component: 3850 - total flux cleaned = 0.00578325 Jy ! Component: 3900 - total flux cleaned = 0.00582339 Jy ! Component: 3950 - total flux cleaned = 0.0058233 Jy ! Component: 4000 - total flux cleaned = 0.00580366 Jy ! Component: 4050 - total flux cleaned = 0.00588213 Jy ! Total flux subtracted in 4096 components = 0.00584315 Jy ! Clean residual min=-0.001035 max=0.001209 Jy/beam ! Clean residual mean=0.000004 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.163961 Jy keep ! Adding 416 model components to the UV plane model. ! The established model now contains 671 components and 0.163961 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J0837-1951_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.658 x 5.938 at -10.3 degrees (North through East) ! Clean map min=-0.0037669 max=0.059179 Jy/beam ! Writing clean map to FITS file: .//J0837-1951_X_map.fits wmodel .//J0837-1951_X_map.mod ! Writing 671 model components to file: .//J0837-1951_X_map.mod wobs .//J0837-1951_X_uvs.fits ! Writing UV FITS file: .//J0837-1951_X_uvs.fits wwins .//J0837-1951_X_map.win ! wwins: Wrote 4 windows to .//J0837-1951_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0591785 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000402635 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.04112 2.04112 4.08224 8.16448 16.329 32.6579 65.3158 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.059 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 146.978 quit ! Quitting program ! Log file .//J0837-1951_X_dfm.log closed on Mon Jan 20 00:02:22 2020