! Started logfile: .//J0820+2353_X_dfm.log on Mon Jan 20 17:44:03 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 .//J0820+2353_X_uva.fits ! Reading UV FITS file: .//J0820+2353_X_uva.fits ! AN table 1: 47 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.990544 visibilities/baseline/integration-bin. ! Found source: J0820+2353 ! ! 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 13408 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 J0820+2353_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=1.002891Jy sigma=20.818787 ! Fit after self-cal, rms=0.964228Jy sigma=20.012299 ! 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=0.7756 mas, bmaj=2.095 mas, bpa=19.69 degrees ! Estimated noise=0.549373 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 = 0.0273722 Jy ! Component: 100 - total flux cleaned = 0.0338219 Jy ! Total flux subtracted in 100 components = 0.0338219 Jy ! Clean residual min=-0.002280 max=0.002948 Jy/beam ! Clean residual mean=-0.000005 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 0.0338219 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0338219 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=0.035614Jy sigma=0.723274 ! Fit after self-cal, rms=0.033623Jy sigma=0.683233 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00384086 Jy ! Component: 100 - total flux cleaned = 0.00551384 Jy ! Total flux subtracted in 100 components = 0.00551384 Jy ! Clean residual min=-0.002411 max=0.002198 Jy/beam ! Clean residual mean=-0.000003 rms=0.000549 Jy/beam ! Combined flux in latest and established models = 0.0393357 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 16 components and 0.0393357 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=0.033128Jy sigma=0.673371 ! Fit after self-cal, rms=0.033124Jy sigma=0.673313 ! 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=0.9724 mas, bmaj=2.284 mas, bpa=15.92 degrees ! Estimated noise=0.296536 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 = 0.00148739 Jy ! Component: 100 - total flux cleaned = 0.00241063 Jy ! Component: 150 - total flux cleaned = 0.00303194 Jy ! Component: 200 - total flux cleaned = 0.00346063 Jy ! Total flux subtracted in 200 components = 0.00346063 Jy ! Clean residual min=-0.001922 max=0.001999 Jy/beam ! Clean residual mean=-0.000003 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.0427964 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 36 components and 0.0427964 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=0.033043Jy sigma=0.671894 ! Fit after self-cal, rms=0.033041Jy sigma=0.671832 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9724 x 2.284 at 15.92 degrees (North through East) ! Clean map min=-0.0018408 max=0.037597 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 0.99 KP 0.97 LA 0.93 ! MK 1.02 NL 0.85 OV 1.11 PT 0.99 ! SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 1.07 KP 1.01 LA 0.96 ! MK 0.99 NL 0.84 OV 1.17 PT 0.94 ! SC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.08 KP 1.05 LA 1.04 ! MK 0.95 NL 0.86 OV 1.10 PT 0.96 ! SC 0.93 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.11 KP 1.05 LA 0.95 ! MK 1.04 NL 0.83 OV 1.14 PT 0.95 ! SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.06 KP 0.99 LA 0.99 ! MK 0.99 NL 0.86 OV 1.16 PT 0.92 ! SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.08 KP 1.04 LA 1.02 ! MK 1.04 NL 0.86 OV 1.10 PT 1.00 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.12 KP 0.98 LA 0.92 ! MK 1.03 NL 0.89 OV 1.17 PT 0.88 ! SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.05 KP 0.99 LA 0.96 ! MK 0.97 NL 0.86 OV 1.18 PT 0.95 ! SC 0.93 ! ! ! Fit before self-cal, rms=0.033041Jy sigma=0.671832 ! Fit after self-cal, rms=0.033045Jy sigma=0.665736 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9779 mas, bmaj=2.299 mas, bpa=16 degrees ! Estimated noise=0.296415 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 = -0.000276284 Jy ! Component: 100 - total flux cleaned = -0.000330699 Jy ! Component: 150 - total flux cleaned = -0.000348785 Jy ! Component: 200 - total flux cleaned = -0.000356416 Jy ! Total flux subtracted in 200 components = -0.000356416 Jy ! Clean residual min=-0.000837 max=0.000979 Jy/beam ! Clean residual mean=-0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.0424399 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 43 components and 0.0424399 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=0.033042Jy sigma=0.665682 ! Fit after self-cal, rms=0.033078Jy sigma=0.665358 ! 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=0.033078Jy sigma=0.665358 ! Fit after self-cal, rms=0.033145Jy sigma=0.665326 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9795 mas, bmaj=2.302 mas, bpa=16.05 degrees ! Estimated noise=0.296244 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000159184 Jy ! Component: 100 - total flux cleaned = -0.000200322 Jy ! Component: 150 - total flux cleaned = -0.000232473 Jy ! Component: 200 - total flux cleaned = -0.000252798 Jy ! Total flux subtracted in 200 components = -0.000252798 Jy ! Clean residual min=-0.000837 max=0.000981 Jy/beam ! Clean residual mean=-0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0421872 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 48 components and 0.0421871 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=0.033143Jy sigma=0.665302 ! Fit after self-cal, rms=0.033147Jy sigma=0.665291 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 (30.4, 16.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000416349 Jy ! Component: 100 - total flux cleaned = 0.000477211 Jy ! Component: 150 - total flux cleaned = 0.000519554 Jy ! Component: 200 - total flux cleaned = 0.000518442 Jy ! Total flux subtracted in 200 components = 0.000518442 Jy ! Clean residual min=-0.000778 max=0.000875 Jy/beam ! Clean residual mean=-0.000000 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.0427056 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 65 components and 0.0427056 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=0.033122Jy sigma=0.664768 ! Fit after self-cal, rms=0.033118Jy sigma=0.664713 ! Inverting map ! Added new window around map position (-23.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000409447 Jy ! Component: 100 - total flux cleaned = 0.000394133 Jy ! Component: 150 - total flux cleaned = 0.000299676 Jy ! Component: 200 - total flux cleaned = 0.000275663 Jy ! Total flux subtracted in 200 components = 0.000275663 Jy ! Clean residual min=-0.000780 max=0.000757 Jy/beam ! Clean residual mean=-0.000001 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.0429812 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 81 components and 0.0429813 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=0.033099Jy sigma=0.664278 ! Fit after self-cal, rms=0.033097Jy sigma=0.664250 ! 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=0.033097Jy sigma=0.664250 ! Fit after self-cal, rms=0.033084Jy sigma=0.664190 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9801 mas, bmaj=2.304 mas, bpa=16.13 degrees ! Estimated noise=0.2955 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000154992 Jy ! Component: 100 - total flux cleaned = 9.9282e-05 Jy ! Component: 150 - total flux cleaned = 7.94853e-05 Jy ! Component: 200 - total flux cleaned = 8.88484e-05 Jy ! Total flux subtracted in 200 components = 8.88484e-05 Jy ! Clean residual min=-0.000768 max=0.000726 Jy/beam ! Clean residual mean=-0.000001 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.0430701 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 91 components and 0.0430701 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=0.033078Jy sigma=0.664054 ! Fit after self-cal, rms=0.033080Jy sigma=0.664047 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 = -1.77757e-05 Jy ! Component: 100 - total flux cleaned = -1.80188e-05 Jy ! Component: 150 - total flux cleaned = -2.64644e-05 Jy ! Component: 200 - total flux cleaned = -2.63737e-05 Jy ! Total flux subtracted in 200 components = -2.63737e-05 Jy ! Clean residual min=-0.000771 max=0.000702 Jy/beam ! Clean residual mean=-0.000001 rms=0.000159 Jy/beam ! Combined flux in latest and established models = 0.0430437 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 97 components and 0.0430437 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=0.033076Jy sigma=0.663975 ! Fit after self-cal, rms=0.033076Jy sigma=0.663973 ! 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=0.033076Jy sigma=0.663973 ! Fit after self-cal, rms=0.033088Jy sigma=0.663966 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.904 mas, bmaj=3.058 mas, bpa=2.104 degrees ! Estimated noise=0.365028 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000307038 Jy ! Component: 100 - total flux cleaned = -0.000528934 Jy ! Component: 150 - total flux cleaned = -0.0006088 Jy ! Component: 200 - total flux cleaned = -0.000639064 Jy ! Total flux subtracted in 200 components = -0.000639064 Jy ! Clean residual min=-0.000669 max=0.000832 Jy/beam ! Clean residual mean=-0.000001 rms=0.000179 Jy/beam ! Combined flux in latest and established models = 0.0424047 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 109 components and 0.0424047 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=0.033087Jy sigma=0.663942 ! Fit after self-cal, rms=0.033088Jy sigma=0.663932 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 (37.6, -36.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000659 Jy ! Component: 100 - total flux cleaned = 0.000709113 Jy ! Component: 150 - total flux cleaned = 0.000733989 Jy ! Component: 200 - total flux cleaned = 0.000754418 Jy ! Total flux subtracted in 200 components = 0.000754418 Jy ! Clean residual min=-0.000569 max=0.000496 Jy/beam ! Clean residual mean=-0.000002 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0431591 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 133 components and 0.0431591 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=0.033077Jy sigma=0.663702 ! Fit after self-cal, rms=0.033077Jy sigma=0.663678 ! 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=0.9805 mas, bmaj=2.305 mas, bpa=16.15 degrees ! Estimated noise=0.295399 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9805 x 2.305 at 16.15 degrees (North through East) ! Clean map min=-0.00064451 max=0.037586 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=0.7781 mas, bmaj=2.113 mas, bpa=19.96 degrees ! Estimated noise=0.547822 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0286932 Jy ! Component: 100 - total flux cleaned = 0.0355815 Jy ! Component: 150 - total flux cleaned = 0.038135 Jy ! Component: 200 - total flux cleaned = 0.0388003 Jy ! Total flux subtracted in 200 components = 0.0388003 Jy ! Clean residual min=-0.001825 max=0.001920 Jy/beam ! Clean residual mean=-0.000002 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.0388003 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.0388003 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9805 mas, bmaj=2.305 mas, bpa=16.15 degrees ! Estimated noise=0.295399 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 = 0.00143814 Jy ! Component: 100 - total flux cleaned = 0.00223171 Jy ! Component: 150 - total flux cleaned = 0.0027492 Jy ! Component: 200 - total flux cleaned = 0.00316165 Jy ! Total flux subtracted in 200 components = 0.00316165 Jy ! Clean residual min=-0.000836 max=0.000856 Jy/beam ! Clean residual mean=-0.000002 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.041962 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 49 components and 0.041962 Jy ! Inverting map ! Added new window around map position (-38.4, -15.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000623176 Jy ! Component: 100 - total flux cleaned = 0.000819778 Jy ! Component: 150 - total flux cleaned = 0.000994047 Jy ! Component: 200 - total flux cleaned = 0.00108374 Jy ! Total flux subtracted in 200 components = 0.00108374 Jy ! Clean residual min=-0.000795 max=0.000636 Jy/beam ! Clean residual mean=-0.000002 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0430457 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 76 components and 0.0430457 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=1.904 mas, bmaj=3.058 mas, bpa=2.104 degrees ! Estimated noise=0.365028 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000109428 Jy ! Component: 100 - total flux cleaned = 0.00026311 Jy ! Component: 150 - total flux cleaned = 0.000305492 Jy ! Component: 200 - total flux cleaned = 0.000330539 Jy ! Total flux subtracted in 200 components = 0.000330539 Jy ! Clean residual min=-0.000562 max=0.000513 Jy/beam ! Clean residual mean=-0.000003 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0433762 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 = 5.40332e-05 Jy ! Component: 100 - total flux cleaned = 9.40092e-05 Jy ! Component: 150 - total flux cleaned = 9.38522e-05 Jy ! Component: 200 - total flux cleaned = 6.8505e-05 Jy ! Total flux subtracted in 200 components = 6.8505e-05 Jy ! Clean residual min=-0.000518 max=0.000500 Jy/beam ! Clean residual mean=-0.000003 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0434447 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 124 components and 0.0434448 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9805 mas, bmaj=2.305 mas, bpa=16.15 degrees ! Estimated noise=0.295399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.58741e-05 Jy ! Component: 100 - total flux cleaned = -0.000170226 Jy ! Component: 150 - total flux cleaned = -0.000208667 Jy ! Component: 200 - total flux cleaned = -0.000220486 Jy ! Total flux subtracted in 200 components = -0.000220486 Jy ! Clean residual min=-0.000683 max=0.000568 Jy/beam ! Clean residual mean=-0.000001 rms=0.000136 Jy/beam ! Combined flux in latest and established models = 0.0432243 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 143 components and 0.0432243 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=0.033063Jy sigma=0.663507 ! Fit after self-cal, rms=0.033056Jy sigma=0.663440 wmodel J0820+2353_X_map.mod ! Writing 143 model components to file: J0820+2353_X_map.mod wobs J0820+2353_X_uvs.fits ! Writing UV FITS file: J0820+2353_X_uvs.fits wwins J0820+2353_X_map.win ! wwins: Wrote 5 windows to J0820+2353_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 = -0.000134672 Jy ! Component: 100 - total flux cleaned = -8.43279e-05 Jy ! Component: 150 - total flux cleaned = -4.66245e-05 Jy ! Component: 200 - total flux cleaned = -1.05825e-05 Jy ! Component: 250 - total flux cleaned = 3.30926e-05 Jy ! Component: 300 - total flux cleaned = 8.38605e-05 Jy ! Component: 350 - total flux cleaned = 0.000141452 Jy ! Component: 400 - total flux cleaned = 0.00019731 Jy ! Component: 450 - total flux cleaned = 0.000244014 Jy ! Component: 500 - total flux cleaned = 0.000297054 Jy ! Component: 550 - total flux cleaned = 0.000334186 Jy ! Component: 600 - total flux cleaned = 0.000385223 Jy ! Component: 650 - total flux cleaned = 0.000442325 Jy ! Component: 700 - total flux cleaned = 0.00049137 Jy ! Component: 750 - total flux cleaned = 0.000553468 Jy ! Component: 800 - total flux cleaned = 0.000607696 Jy ! Component: 850 - total flux cleaned = 0.000627732 Jy ! Component: 900 - total flux cleaned = 0.000667313 Jy ! Component: 950 - total flux cleaned = 0.000712831 Jy ! Component: 1000 - total flux cleaned = 0.000751403 Jy ! Component: 1050 - total flux cleaned = 0.000808246 Jy ! Component: 1100 - total flux cleaned = 0.000827006 Jy ! Component: 1150 - total flux cleaned = 0.000870258 Jy ! Component: 1200 - total flux cleaned = 0.000882564 Jy ! Component: 1250 - total flux cleaned = 0.000912789 Jy ! Component: 1300 - total flux cleaned = 0.000924791 Jy ! Component: 1350 - total flux cleaned = 0.000966072 Jy ! Component: 1400 - total flux cleaned = 0.000971847 Jy ! Component: 1450 - total flux cleaned = 0.000983433 Jy ! Component: 1500 - total flux cleaned = 0.000983435 Jy ! Component: 1550 - total flux cleaned = 0.0010118 Jy ! Component: 1600 - total flux cleaned = 0.00102298 Jy ! Component: 1650 - total flux cleaned = 0.00103966 Jy ! Component: 1700 - total flux cleaned = 0.00106172 Jy ! Component: 1750 - total flux cleaned = 0.00106717 Jy ! Component: 1800 - total flux cleaned = 0.00107797 Jy ! Component: 1850 - total flux cleaned = 0.00108334 Jy ! Component: 1900 - total flux cleaned = 0.00108334 Jy ! Component: 1950 - total flux cleaned = 0.00109924 Jy ! Component: 2000 - total flux cleaned = 0.00109925 Jy ! Component: 2050 - total flux cleaned = 0.00112013 Jy ! Component: 2100 - total flux cleaned = 0.00113571 Jy ! Component: 2150 - total flux cleaned = 0.00113057 Jy ! Component: 2200 - total flux cleaned = 0.00113058 Jy ! Component: 2250 - total flux cleaned = 0.00113061 Jy ! Component: 2300 - total flux cleaned = 0.00112551 Jy ! Component: 2350 - total flux cleaned = 0.00112551 Jy ! Component: 2400 - total flux cleaned = 0.00111551 Jy ! Component: 2450 - total flux cleaned = 0.00112548 Jy ! Component: 2500 - total flux cleaned = 0.00111554 Jy ! Component: 2550 - total flux cleaned = 0.00111554 Jy ! Component: 2600 - total flux cleaned = 0.00109102 Jy ! Component: 2650 - total flux cleaned = 0.0010959 Jy ! Component: 2700 - total flux cleaned = 0.00107154 Jy ! Component: 2750 - total flux cleaned = 0.0010667 Jy ! Component: 2800 - total flux cleaned = 0.00105224 Jy ! Component: 2850 - total flux cleaned = 0.001033 Jy ! Component: 2900 - total flux cleaned = 0.00100905 Jy ! Component: 2950 - total flux cleaned = 0.00101383 Jy ! Component: 3000 - total flux cleaned = 0.000985267 Jy ! Component: 3050 - total flux cleaned = 0.000975757 Jy ! Component: 3100 - total flux cleaned = 0.000975765 Jy ! Component: 3150 - total flux cleaned = 0.000961554 Jy ! Component: 3200 - total flux cleaned = 0.000942673 Jy ! Component: 3250 - total flux cleaned = 0.000937981 Jy ! Component: 3300 - total flux cleaned = 0.000933273 Jy ! Component: 3350 - total flux cleaned = 0.000923862 Jy ! Component: 3400 - total flux cleaned = 0.000923872 Jy ! Component: 3450 - total flux cleaned = 0.000919169 Jy ! Component: 3500 - total flux cleaned = 0.000914495 Jy ! Component: 3550 - total flux cleaned = 0.000900432 Jy ! Component: 3600 - total flux cleaned = 0.000886374 Jy ! Component: 3650 - total flux cleaned = 0.000877026 Jy ! Component: 3700 - total flux cleaned = 0.000858289 Jy ! Component: 3750 - total flux cleaned = 0.000839556 Jy ! Component: 3800 - total flux cleaned = 0.000839583 Jy ! Component: 3850 - total flux cleaned = 0.000825522 Jy ! Component: 3900 - total flux cleaned = 0.000820858 Jy ! Component: 3950 - total flux cleaned = 0.000816147 Jy ! Component: 4000 - total flux cleaned = 0.000816137 Jy ! Component: 4050 - total flux cleaned = 0.000820869 Jy ! Total flux subtracted in 4096 components = 0.00081612 Jy ! Clean residual min=-0.000318 max=0.000268 Jy/beam ! Clean residual mean=0.000001 rms=0.000074 Jy/beam ! Combined flux in latest and established models = 0.0440404 Jy keep ! Adding 223 model components to the UV plane model. ! The established model now contains 366 components and 0.0440404 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J0820+2353_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9805 x 2.305 at 16.15 degrees (North through East) ! Clean map min=-0.00057766 max=0.037409 Jy/beam ! Writing clean map to FITS file: .//J0820+2353_X_map.fits wmodel .//J0820+2353_X_map.mod ! Writing 366 model components to file: .//J0820+2353_X_map.mod wobs .//J0820+2353_X_uvs.fits ! Writing UV FITS file: .//J0820+2353_X_uvs.fits wwins .//J0820+2353_X_map.win ! wwins: Wrote 6 windows to .//J0820+2353_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0374087 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.32387e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.587339 0.587339 1.17468 2.34936 4.69871 9.39742 18.7948 37.5897 75.1794 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.037 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 510.778 quit ! Quitting program ! Log file .//J0820+2353_X_dfm.log closed on Mon Jan 20 17:44:07 2020