! Started logfile: .//J1823-2240_C_dfm.log on Mon Jan 20 18:46:05 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1823-2240_C_uva.fits ! Reading UV FITS file: .//J1823-2240_C_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.911111 visibilities/baseline/integration-bin. ! Found source: J1823-2240 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 5576 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1823-2240_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003567Jy sigma=18.133182 ! Fit after self-cal, rms=0.934475Jy sigma=16.830431 ! 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=1.223 mas, bmaj=3.519 mas, bpa=1.936 degrees ! Estimated noise=0.801902 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 = 0.0462393 Jy ! Component: 100 - total flux cleaned = 0.0662389 Jy ! Total flux subtracted in 100 components = 0.0662389 Jy ! Clean residual min=-0.006330 max=0.010807 Jy/beam ! Clean residual mean=-0.000003 rms=0.001710 Jy/beam ! Combined flux in latest and established models = 0.0662389 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0662389 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=0.059500Jy sigma=0.900243 ! Fit after self-cal, rms=0.059007Jy sigma=0.891319 ! Inverting map ! Added new window around map position (-1.2, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125695 Jy ! Component: 100 - total flux cleaned = 0.020231 Jy ! Total flux subtracted in 100 components = 0.020231 Jy ! Clean residual min=-0.005917 max=0.005642 Jy/beam ! Clean residual mean=-0.000001 rms=0.001230 Jy/beam ! Combined flux in latest and established models = 0.0864699 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 0.0864699 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=0.055451Jy sigma=0.806544 ! Fit after self-cal, rms=0.055421Jy sigma=0.805587 ! 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=1.553 mas, bmaj=4.147 mas, bpa=0.9456 degrees ! Estimated noise=0.546329 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 = 0.00661296 Jy ! Component: 100 - total flux cleaned = 0.0100566 Jy ! Component: 150 - total flux cleaned = 0.0114918 Jy ! Component: 200 - total flux cleaned = 0.0119294 Jy ! Total flux subtracted in 200 components = 0.0119294 Jy ! Clean residual min=-0.007355 max=0.003694 Jy/beam ! Clean residual mean=0.000006 rms=0.001046 Jy/beam ! Combined flux in latest and established models = 0.0983993 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 39 components and 0.0983993 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=0.054658Jy sigma=0.788322 ! Fit after self-cal, rms=0.054661Jy sigma=0.788183 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.553 x 4.147 at 0.9456 degrees (North through East) ! Clean map min=-0.007176 max=0.0641 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.45 KP 1.04 ! LA 1.00 MK 1.22 NL 0.72 OV 1.01 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 1.18 KP 1.10 ! LA 1.16 MK 1.43 NL 0.66 OV 0.98 ! PT 1.03 SC 1.15 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 1.14 KP 1.03 ! LA 1.01 MK 0.95 NL 0.77 OV 1.01 ! PT 0.96 SC 1.05 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.08 KP 1.05 ! LA 1.12 MK 1.22 NL 0.73 OV 1.02 ! PT 1.12 SC 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.02 HN 1.34 KP 1.06 ! LA 1.04 MK 1.00 NL 0.76 OV 1.07 ! PT 1.02 SC 0.86 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.05 HN 1.12 KP 1.02 ! LA 1.04 MK 1.07 NL 0.76 OV 1.02 ! PT 1.01 SC 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 1.15 KP 1.03 ! LA 1.07 MK 0.88 NL 0.75 OV 1.09 ! PT 0.98 SC 0.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.05 HN 1.24 KP 1.06 ! LA 1.05 MK 1.00 NL 0.76 OV 1.02 ! PT 1.08 SC 0.99 ! ! ! Fit before self-cal, rms=0.054661Jy sigma=0.788183 ! Fit after self-cal, rms=0.057152Jy sigma=0.752801 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.567 mas, bmaj=4.127 mas, bpa=1.511 degrees ! Estimated noise=0.545908 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 = 0.000415231 Jy ! Component: 100 - total flux cleaned = 0.000378475 Jy ! Component: 150 - total flux cleaned = 0.000377981 Jy ! Component: 200 - total flux cleaned = 0.000350128 Jy ! Total flux subtracted in 200 components = 0.000350128 Jy ! Clean residual min=-0.002102 max=0.001979 Jy/beam ! Clean residual mean=0.000002 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.0987494 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 46 components and 0.0987494 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=0.057123Jy sigma=0.752509 ! Fit after self-cal, rms=0.057356Jy sigma=0.751181 ! 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=0.057356Jy sigma=0.751181 ! Fit after self-cal, rms=0.057845Jy sigma=0.751049 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.571 mas, bmaj=4.132 mas, bpa=1.772 degrees ! Estimated noise=0.548514 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000515627 Jy ! Component: 100 - total flux cleaned = 0.000472539 Jy ! Component: 150 - total flux cleaned = 0.000438337 Jy ! Component: 200 - total flux cleaned = 0.00042834 Jy ! Total flux subtracted in 200 components = 0.00042834 Jy ! Clean residual min=-0.002189 max=0.002000 Jy/beam ! Clean residual mean=0.000002 rms=0.000483 Jy/beam ! Combined flux in latest and established models = 0.0991777 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 51 components and 0.0991777 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=0.057829Jy sigma=0.750924 ! Fit after self-cal, rms=0.057852Jy sigma=0.750873 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 = 0.000154248 Jy ! Component: 100 - total flux cleaned = 0.000116402 Jy ! Component: 150 - total flux cleaned = 9.11389e-05 Jy ! Component: 200 - total flux cleaned = 8.34108e-05 Jy ! Total flux subtracted in 200 components = 8.34108e-05 Jy ! Clean residual min=-0.002211 max=0.002012 Jy/beam ! Clean residual mean=0.000002 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.0992611 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 57 components and 0.0992612 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=0.057847Jy sigma=0.750823 ! Fit after self-cal, rms=0.057851Jy sigma=0.750805 ! 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=0.057851Jy sigma=0.750805 ! Fit after self-cal, rms=0.058008Jy sigma=0.750751 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.577 mas, bmaj=4.141 mas, bpa=1.943 degrees ! Estimated noise=0.551191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000337598 Jy ! Component: 100 - total flux cleaned = 0.000338333 Jy ! Component: 150 - total flux cleaned = 0.000329652 Jy ! Component: 200 - total flux cleaned = 0.000321595 Jy ! Total flux subtracted in 200 components = 0.000321595 Jy ! Clean residual min=-0.002176 max=0.002011 Jy/beam ! Clean residual mean=0.000002 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.0995828 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 0.0995827 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=0.058000Jy sigma=0.750706 ! Fit after self-cal, rms=0.058009Jy sigma=0.750687 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.23012e-05 Jy ! Component: 100 - total flux cleaned = 8.37132e-05 Jy ! Component: 150 - total flux cleaned = 7.65193e-05 Jy ! Component: 200 - total flux cleaned = 7.66888e-05 Jy ! Total flux subtracted in 200 components = 7.66888e-05 Jy ! Clean residual min=-0.002184 max=0.002026 Jy/beam ! Clean residual mean=0.000002 rms=0.000481 Jy/beam ! Combined flux in latest and established models = 0.0996594 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.0996594 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=0.058006Jy sigma=0.750652 ! Fit after self-cal, rms=0.058010Jy sigma=0.750638 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.058010Jy sigma=0.750638 ! Fit after self-cal, rms=0.058166Jy sigma=0.750612 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.828 mas, bmaj=9.39 mas, bpa=6.466 degrees ! Estimated noise=0.673409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000555363 Jy ! Component: 100 - total flux cleaned = 0.000552413 Jy ! Component: 150 - total flux cleaned = 0.000540756 Jy ! Component: 200 - total flux cleaned = 0.000531212 Jy ! Total flux subtracted in 200 components = 0.000531212 Jy ! Clean residual min=-0.002221 max=0.002563 Jy/beam ! Clean residual mean=0.000003 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.100191 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 70 components and 0.100191 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=0.058162Jy sigma=0.750694 ! Fit after self-cal, rms=0.058165Jy sigma=0.750632 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 = 0.000181989 Jy ! Component: 100 - total flux cleaned = 0.000162753 Jy ! Component: 150 - total flux cleaned = 0.000146772 Jy ! Component: 200 - total flux cleaned = 0.000133414 Jy ! Total flux subtracted in 200 components = 0.000133414 Jy ! Clean residual min=-0.002193 max=0.002579 Jy/beam ! Clean residual mean=0.000003 rms=0.000610 Jy/beam ! Combined flux in latest and established models = 0.100324 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 72 components and 0.100324 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=0.058166Jy sigma=0.750744 ! Fit after self-cal, rms=0.058169Jy sigma=0.750721 ! Inverting map ! Added new window around map position (1.5, -36.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00226281 Jy ! Component: 100 - total flux cleaned = 0.00322901 Jy ! Component: 150 - total flux cleaned = 0.00385604 Jy ! Component: 200 - total flux cleaned = 0.00418421 Jy ! Total flux subtracted in 200 components = 0.00418421 Jy ! Clean residual min=-0.001942 max=0.001779 Jy/beam ! Clean residual mean=0.000006 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.104508 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 101 components and 0.104508 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=0.058084Jy sigma=0.749492 ! Fit after self-cal, rms=0.058081Jy sigma=0.749375 ! 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=1.581 mas, bmaj=4.149 mas, bpa=2.049 degrees ! Estimated noise=0.553527 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.581 x 4.149 at 2.049 degrees (North through East) ! Clean map min=-0.0020178 max=0.06318 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=1.237 mas, bmaj=3.506 mas, bpa=2.961 degrees ! Estimated noise=0.811957 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0466379 Jy ! Component: 100 - total flux cleaned = 0.0671806 Jy ! Component: 150 - total flux cleaned = 0.0788845 Jy ! Component: 200 - total flux cleaned = 0.0861699 Jy ! Total flux subtracted in 200 components = 0.0861699 Jy ! Clean residual min=-0.003820 max=0.003904 Jy/beam ! Clean residual mean=-0.000001 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 0.0861699 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0861699 Jy ! Inverting map and beam ! Estimated beam: bmin=1.581 mas, bmaj=4.149 mas, bpa=2.049 degrees ! Estimated noise=0.553527 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 = 0.00671649 Jy ! Component: 100 - total flux cleaned = 0.0100232 Jy ! Component: 150 - total flux cleaned = 0.012172 Jy ! Component: 200 - total flux cleaned = 0.013412 Jy ! Total flux subtracted in 200 components = 0.013412 Jy ! Clean residual min=-0.002548 max=0.001824 Jy/beam ! Clean residual mean=0.000001 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.0995819 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 60 components and 0.0995819 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.828 mas, bmaj=9.39 mas, bpa=6.466 degrees ! Estimated noise=0.673409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207107 Jy ! Component: 100 - total flux cleaned = 0.00301338 Jy ! Component: 150 - total flux cleaned = 0.0036912 Jy ! Component: 200 - total flux cleaned = 0.00415286 Jy ! Total flux subtracted in 200 components = 0.00415286 Jy ! Clean residual min=-0.002095 max=0.001739 Jy/beam ! Clean residual mean=0.000005 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.103735 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 = 0.000393529 Jy ! Component: 100 - total flux cleaned = 0.000715895 Jy ! Component: 150 - total flux cleaned = 0.000937109 Jy ! Component: 200 - total flux cleaned = 0.00115542 Jy ! Total flux subtracted in 200 components = 0.00115542 Jy ! Clean residual min=-0.001925 max=0.001725 Jy/beam ! Clean residual mean=0.000006 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.10489 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 96 components and 0.10489 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.581 mas, bmaj=4.149 mas, bpa=2.049 degrees ! Estimated noise=0.553527 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.43982e-05 Jy ! Component: 100 - total flux cleaned = -8.44272e-05 Jy ! Component: 150 - total flux cleaned = -1.49749e-05 Jy ! Component: 200 - total flux cleaned = 0.000113232 Jy ! Total flux subtracted in 200 components = 0.000113232 Jy ! Clean residual min=-0.002177 max=0.001622 Jy/beam ! Clean residual mean=0.000003 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.105003 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 128 components and 0.105003 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=0.058021Jy sigma=0.748894 ! Fit after self-cal, rms=0.058011Jy sigma=0.748716 wmodel J1823-2240_C_map.mod ! Writing 128 model components to file: J1823-2240_C_map.mod wobs J1823-2240_C_uvs.fits ! Writing UV FITS file: J1823-2240_C_uvs.fits wwins J1823-2240_C_map.win ! wwins: Wrote 3 windows to J1823-2240_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000901863 Jy ! Component: 100 - total flux cleaned = -0.00107855 Jy ! Component: 150 - total flux cleaned = -0.00135265 Jy ! Component: 200 - total flux cleaned = -0.00148268 Jy ! Component: 250 - total flux cleaned = -0.00150809 Jy ! Component: 300 - total flux cleaned = -0.00153234 Jy ! Component: 350 - total flux cleaned = -0.00150899 Jy ! Component: 400 - total flux cleaned = -0.00144111 Jy ! Component: 450 - total flux cleaned = -0.00146356 Jy ! Component: 500 - total flux cleaned = -0.0014854 Jy ! Component: 550 - total flux cleaned = -0.00154905 Jy ! Component: 600 - total flux cleaned = -0.0015902 Jy ! Component: 650 - total flux cleaned = -0.00165106 Jy ! Component: 700 - total flux cleaned = -0.00171103 Jy ! Component: 750 - total flux cleaned = -0.00175044 Jy ! Component: 800 - total flux cleaned = -0.00180852 Jy ! Component: 850 - total flux cleaned = -0.0018464 Jy ! Component: 900 - total flux cleaned = -0.00182743 Jy ! Component: 950 - total flux cleaned = -0.00186429 Jy ! Component: 1000 - total flux cleaned = -0.00184587 Jy ! Component: 1050 - total flux cleaned = -0.00188148 Jy ! Component: 1100 - total flux cleaned = -0.00188142 Jy ! Component: 1150 - total flux cleaned = -0.00191649 Jy ! Component: 1200 - total flux cleaned = -0.00186479 Jy ! Component: 1250 - total flux cleaned = -0.00186464 Jy ! Component: 1300 - total flux cleaned = -0.00181392 Jy ! Component: 1350 - total flux cleaned = -0.00179704 Jy ! Component: 1400 - total flux cleaned = -0.00173139 Jy ! Component: 1450 - total flux cleaned = -0.00171515 Jy ! Component: 1500 - total flux cleaned = -0.00173083 Jy ! Component: 1550 - total flux cleaned = -0.00174648 Jy ! Component: 1600 - total flux cleaned = -0.00171497 Jy ! Component: 1650 - total flux cleaned = -0.00173061 Jy ! Component: 1700 - total flux cleaned = -0.00173074 Jy ! Component: 1750 - total flux cleaned = -0.001761 Jy ! Component: 1800 - total flux cleaned = -0.00171575 Jy ! Component: 1850 - total flux cleaned = -0.00171587 Jy ! Component: 1900 - total flux cleaned = -0.00171572 Jy ! Component: 1950 - total flux cleaned = -0.00170111 Jy ! Component: 2000 - total flux cleaned = -0.00173006 Jy ! Component: 2050 - total flux cleaned = -0.00168697 Jy ! Component: 2100 - total flux cleaned = -0.00171548 Jy ! Component: 2150 - total flux cleaned = -0.0017013 Jy ! Component: 2200 - total flux cleaned = -0.00170123 Jy ! Component: 2250 - total flux cleaned = -0.00177033 Jy ! Component: 2300 - total flux cleaned = -0.00177041 Jy ! Component: 2350 - total flux cleaned = -0.00179754 Jy ! Component: 2400 - total flux cleaned = -0.00181101 Jy ! Component: 2450 - total flux cleaned = -0.00185124 Jy ! Component: 2500 - total flux cleaned = -0.00178449 Jy ! Component: 2550 - total flux cleaned = -0.00178439 Jy ! Component: 2600 - total flux cleaned = -0.00177144 Jy ! Component: 2650 - total flux cleaned = -0.00175834 Jy ! Component: 2700 - total flux cleaned = -0.00174542 Jy ! Component: 2750 - total flux cleaned = -0.00171986 Jy ! Component: 2800 - total flux cleaned = -0.0017199 Jy ! Component: 2850 - total flux cleaned = -0.00169466 Jy ! Component: 2900 - total flux cleaned = -0.00173231 Jy ! Component: 2950 - total flux cleaned = -0.00169507 Jy ! Component: 3000 - total flux cleaned = -0.00168286 Jy ! Component: 3050 - total flux cleaned = -0.00171966 Jy ! Component: 3100 - total flux cleaned = -0.00167101 Jy ! Component: 3150 - total flux cleaned = -0.00167104 Jy ! Component: 3200 - total flux cleaned = -0.00163505 Jy ! Component: 3250 - total flux cleaned = -0.00163509 Jy ! Component: 3300 - total flux cleaned = -0.00164682 Jy ! Component: 3350 - total flux cleaned = -0.00162325 Jy ! Component: 3400 - total flux cleaned = -0.00165835 Jy ! Component: 3450 - total flux cleaned = -0.00157705 Jy ! Component: 3500 - total flux cleaned = -0.00157704 Jy ! Component: 3550 - total flux cleaned = -0.00156553 Jy ! Component: 3600 - total flux cleaned = -0.00155411 Jy ! Component: 3650 - total flux cleaned = -0.00154262 Jy ! Component: 3700 - total flux cleaned = -0.00152009 Jy ! Component: 3750 - total flux cleaned = -0.00153118 Jy ! Component: 3800 - total flux cleaned = -0.00147564 Jy ! Component: 3850 - total flux cleaned = -0.00149771 Jy ! Component: 3900 - total flux cleaned = -0.00142085 Jy ! Component: 3950 - total flux cleaned = -0.00145374 Jy ! Component: 4000 - total flux cleaned = -0.0014755 Jy ! Component: 4050 - total flux cleaned = -0.00145394 Jy ! Total flux subtracted in 4096 components = -0.00148611 Jy ! Clean residual min=-0.000706 max=0.000646 Jy/beam ! Clean residual mean=0.000000 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.103517 Jy keep ! Adding 254 model components to the UV plane model. ! The established model now contains 382 components and 0.103517 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1823-2240_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.581 x 4.149 at 2.049 degrees (North through East) ! Clean map min=-0.0017259 max=0.064089 Jy/beam ! Writing clean map to FITS file: .//J1823-2240_C_map.fits wmodel .//J1823-2240_C_map.mod ! Writing 382 model components to file: .//J1823-2240_C_map.mod wobs .//J1823-2240_C_uvs.fits ! Writing UV FITS file: .//J1823-2240_C_uvs.fits wwins .//J1823-2240_C_map.win ! wwins: Wrote 4 windows to .//J1823-2240_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0640887 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000183962 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.86113 0.86113 1.72226 3.44452 6.88904 13.7781 27.5561 55.1123 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.064 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 348.379 quit ! Quitting program ! Log file .//J1823-2240_C_dfm.log closed on Mon Jan 20 18:46:09 2020