! Started logfile: /vlbi/sb072/temp_maps//J1709-2020_C_dfm.log on Thu Jan 31 09:42:30 2019 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 /vlbi/sb072/temp_maps//J1709-2020_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1709-2020_C_uva.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1709-2020 ! ! 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 5152 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 J1709-2020_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. ! ! 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=1.000396Jy sigma=42.592032 ! Fit after self-cal, rms=0.994356Jy sigma=42.343233 ! 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=1.156 mas, bmaj=3.3 mas, bpa=-4.084 degrees ! Estimated noise=0.429901 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 = 0.00465285 Jy ! Component: 100 - total flux cleaned = 0.00580226 Jy ! Total flux subtracted in 100 components = 0.00580226 Jy ! Clean residual min=-0.001589 max=0.001330 Jy/beam ! Clean residual mean=-0.000000 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.00580226 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.00580226 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=0.017820Jy sigma=0.728023 ! Fit after self-cal, rms=0.016506Jy sigma=0.669488 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00332651 Jy ! Component: 100 - total flux cleaned = 0.00419028 Jy ! Total flux subtracted in 100 components = 0.00419028 Jy ! Clean residual min=-0.001390 max=0.001392 Jy/beam ! Clean residual mean=0.000000 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.00999254 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 13 components and 0.00999254 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=0.015970Jy sigma=0.647278 ! Fit after self-cal, rms=0.015968Jy sigma=0.647219 ! 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=1.502 mas, bmaj=4.05 mas, bpa=-2.493 degrees ! Estimated noise=0.23445 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 = -0.000154833 Jy ! Component: 100 - total flux cleaned = -0.000176217 Jy ! Component: 150 - total flux cleaned = -0.000188181 Jy ! Component: 200 - total flux cleaned = -0.000198809 Jy ! Total flux subtracted in 200 components = -0.000198809 Jy ! Clean residual min=-0.000921 max=0.000696 Jy/beam ! Clean residual mean=0.000000 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.00979373 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 0.00979373 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=0.015963Jy sigma=0.646926 ! Fit after self-cal, rms=0.015960Jy sigma=0.646881 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.502 x 4.05 at -2.493 degrees (North through East) ! Clean map min=-0.00088942 max=0.0097567 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.84 KP 0.95 LA 0.96 MK 0.89 ! NL 0.84 OV 0.83 PT 0.85 SC 0.89 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.83 KP 0.84 LA 0.95 MK 0.86 ! NL 0.84 OV 1.02 PT 0.86 SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.05 KP 1.15 LA 1.29 MK 0.94 ! NL 0.79 OV 1.14 PT 0.83 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.09 LA 1.14 MK 1.11 ! NL 0.97 OV 1.09 PT 0.85 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.17 KP 1.12 LA 1.03 MK 0.98 ! NL 0.84 OV 1.12 PT 1.08 SC 1.11 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.07 KP 1.26 LA 1.30 MK 1.01 ! NL 0.70 OV 1.11 PT 1.33 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 1.29 LA 1.27 MK 1.17 ! NL 0.88 OV 1.11 PT 1.05 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.05 KP 1.11 LA 1.14 MK 1.15 ! NL 0.87 OV 0.97 PT 0.93 SC 0.93 ! ! ! Fit before self-cal, rms=0.015960Jy sigma=0.646881 ! Fit after self-cal, rms=0.015746Jy sigma=0.641001 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.502 mas, bmaj=4.026 mas, bpa=-2.723 degrees ! Estimated noise=0.232379 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 = -1.65054e-05 Jy ! Component: 100 - total flux cleaned = -2.42387e-05 Jy ! Component: 150 - total flux cleaned = -2.77426e-05 Jy ! Component: 200 - total flux cleaned = -3.09248e-05 Jy ! Total flux subtracted in 200 components = -3.09248e-05 Jy ! Clean residual min=-0.000677 max=0.000599 Jy/beam ! Clean residual mean=-0.000000 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.00976281 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 0.00976281 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=0.015744Jy sigma=0.640939 ! Fit after self-cal, rms=0.015844Jy sigma=0.639511 ! 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=0.015844Jy sigma=0.639511 ! Fit after self-cal, rms=0.016343Jy sigma=0.639034 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.502 mas, bmaj=4.015 mas, bpa=-2.963 degrees ! Estimated noise=0.233067 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.4946e-05 Jy ! Component: 100 - total flux cleaned = -4.29893e-05 Jy ! Component: 150 - total flux cleaned = -4.63063e-05 Jy ! Component: 200 - total flux cleaned = -4.62888e-05 Jy ! Total flux subtracted in 200 components = -4.62888e-05 Jy ! Clean residual min=-0.000624 max=0.000603 Jy/beam ! Clean residual mean=-0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.00971652 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.00971652 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=0.016341Jy sigma=0.638972 ! Fit after self-cal, rms=0.016414Jy sigma=0.638574 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 = -6.57455e-05 Jy ! Component: 100 - total flux cleaned = -7.3587e-05 Jy ! Component: 150 - total flux cleaned = -7.68743e-05 Jy ! Component: 200 - total flux cleaned = -8.30444e-05 Jy ! Total flux subtracted in 200 components = -8.30444e-05 Jy ! Clean residual min=-0.000589 max=0.000589 Jy/beam ! Clean residual mean=-0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.00963347 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 0.00963347 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=0.016412Jy sigma=0.638516 ! Fit after self-cal, rms=0.016416Jy sigma=0.638473 ! 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=0.016416Jy sigma=0.638473 ! Fit after self-cal, rms=0.016667Jy sigma=0.638304 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.503 mas, bmaj=4.013 mas, bpa=-3.162 degrees ! Estimated noise=0.232165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.89994e-05 Jy ! Component: 100 - total flux cleaned = -6.50396e-05 Jy ! Component: 150 - total flux cleaned = -7.18281e-05 Jy ! Component: 200 - total flux cleaned = -7.18672e-05 Jy ! Total flux subtracted in 200 components = -7.18672e-05 Jy ! Clean residual min=-0.000588 max=0.000585 Jy/beam ! Clean residual mean=-0.000000 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.00956161 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 0.00956161 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=0.016665Jy sigma=0.638247 ! Fit after self-cal, rms=0.016702Jy sigma=0.638164 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 = -3.53088e-05 Jy ! Component: 100 - total flux cleaned = -4.61511e-05 Jy ! Component: 150 - total flux cleaned = -5.23594e-05 Jy ! Component: 200 - total flux cleaned = -4.95522e-05 Jy ! Total flux subtracted in 200 components = -4.95522e-05 Jy ! Clean residual min=-0.000583 max=0.000569 Jy/beam ! Clean residual mean=-0.000000 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.00951205 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 0.00951205 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=0.016701Jy sigma=0.638121 ! Fit after self-cal, rms=0.016702Jy sigma=0.638010 ! 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=0.016702Jy sigma=0.638010 ! Fit after self-cal, rms=0.016784Jy sigma=0.637951 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.901 mas, bmaj=9.735 mas, bpa=-5.079 degrees ! Estimated noise=0.310098 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.53704e-05 Jy ! Component: 100 - total flux cleaned = -6.3755e-05 Jy ! Component: 150 - total flux cleaned = -6.87577e-05 Jy ! Component: 200 - total flux cleaned = -7.56912e-05 Jy ! Total flux subtracted in 200 components = -7.56912e-05 Jy ! Clean residual min=-0.000599 max=0.000514 Jy/beam ! Clean residual mean=-0.000001 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.00943636 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 34 components and 0.00943636 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=0.016784Jy sigma=0.637945 ! Fit after self-cal, rms=0.016799Jy sigma=0.637811 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 = -3.99877e-05 Jy ! Component: 100 - total flux cleaned = -4.82157e-05 Jy ! Component: 150 - total flux cleaned = -5.55581e-05 Jy ! Component: 200 - total flux cleaned = -6.00951e-05 Jy ! Total flux subtracted in 200 components = -6.00951e-05 Jy ! Clean residual min=-0.000583 max=0.000477 Jy/beam ! Clean residual mean=-0.000001 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.00937627 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 34 components and 0.00937627 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=0.016800Jy sigma=0.637834 ! Fit after self-cal, rms=0.016800Jy sigma=0.637818 ! 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=1.504 mas, bmaj=4.015 mas, bpa=-3.35 degrees ! Estimated noise=0.230836 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.504 x 4.015 at -3.35 degrees (North through East) ! Clean map min=-0.00054403 max=0.0097707 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=1.164 mas, bmaj=3.324 mas, bpa=-5.656 degrees ! Estimated noise=0.424185 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00743345 Jy ! Component: 100 - total flux cleaned = 0.00922938 Jy ! Component: 150 - total flux cleaned = 0.0099077 Jy ! Component: 200 - total flux cleaned = 0.00999795 Jy ! Total flux subtracted in 200 components = 0.00999795 Jy ! Clean residual min=-0.001156 max=0.001401 Jy/beam ! Clean residual mean=0.000000 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.00999796 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.00999796 Jy ! Inverting map and beam ! Estimated beam: bmin=1.504 mas, bmaj=4.015 mas, bpa=-3.35 degrees ! Estimated noise=0.230836 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 = -0.000486664 Jy ! Component: 100 - total flux cleaned = -0.00051976 Jy ! Component: 150 - total flux cleaned = -0.000534087 Jy ! Component: 200 - total flux cleaned = -0.000546776 Jy ! Total flux subtracted in 200 components = -0.000546776 Jy ! Clean residual min=-0.000580 max=0.000561 Jy/beam ! Clean residual mean=-0.000000 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.00945118 Jy ! Adding 8 model components to the UV plane model. ! The established model now contains 26 components and 0.00945118 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=3.901 mas, bmaj=9.735 mas, bpa=-5.079 degrees ! Estimated noise=0.310098 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.27969e-06 Jy ! Component: 100 - total flux cleaned = -9.58485e-06 Jy ! Component: 150 - total flux cleaned = -1.42395e-05 Jy ! Component: 200 - total flux cleaned = -2.6425e-05 Jy ! Total flux subtracted in 200 components = -2.6425e-05 Jy ! Clean residual min=-0.000599 max=0.000472 Jy/beam ! Clean residual mean=-0.000001 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.00942475 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 = -7.39703e-06 Jy ! Component: 100 - total flux cleaned = -1.42908e-05 Jy ! Component: 150 - total flux cleaned = -2.35174e-05 Jy ! Component: 200 - total flux cleaned = -2.91782e-05 Jy ! Total flux subtracted in 200 components = -2.91782e-05 Jy ! Clean residual min=-0.000589 max=0.000470 Jy/beam ! Clean residual mean=-0.000001 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.00939558 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 35 components and 0.00939558 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.504 mas, bmaj=4.015 mas, bpa=-3.35 degrees ! Estimated noise=0.230836 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.28748e-05 Jy ! Component: 100 - total flux cleaned = -4.13049e-06 Jy ! Component: 150 - total flux cleaned = 1.20642e-06 Jy ! Component: 200 - total flux cleaned = -2.63317e-06 Jy ! Total flux subtracted in 200 components = -2.63317e-06 Jy ! Clean residual min=-0.000574 max=0.000546 Jy/beam ! Clean residual mean=-0.000000 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.00939294 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 41 components and 0.00939295 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=0.016799Jy sigma=0.637818 ! Fit after self-cal, rms=0.016797Jy sigma=0.637781 wmodel J1709-2020_C_map.mod ! Writing 41 model components to file: J1709-2020_C_map.mod wobs J1709-2020_C_uvs.fits ! Writing UV FITS file: J1709-2020_C_uvs.fits wwins J1709-2020_C_map.win ! wwins: Wrote 1 windows to J1709-2020_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 = -1.3807e-05 Jy ! Component: 100 - total flux cleaned = 4.93183e-05 Jy ! Component: 150 - total flux cleaned = 0.000167128 Jy ! Component: 200 - total flux cleaned = 0.000311403 Jy ! Component: 250 - total flux cleaned = 0.000441665 Jy ! Component: 300 - total flux cleaned = 0.000507985 Jy ! Component: 350 - total flux cleaned = 0.000557844 Jy ! Component: 400 - total flux cleaned = 0.000599531 Jy ! Component: 450 - total flux cleaned = 0.00062631 Jy ! Component: 500 - total flux cleaned = 0.000645739 Jy ! Component: 550 - total flux cleaned = 0.000658353 Jy ! Component: 600 - total flux cleaned = 0.000664442 Jy ! Component: 650 - total flux cleaned = 0.000658528 Jy ! Component: 700 - total flux cleaned = 0.0006703 Jy ! Component: 750 - total flux cleaned = 0.000658604 Jy ! Component: 800 - total flux cleaned = 0.000641754 Jy ! Component: 850 - total flux cleaned = 0.000636264 Jy ! Component: 900 - total flux cleaned = 0.00063612 Jy ! Component: 950 - total flux cleaned = 0.000630601 Jy ! Component: 1000 - total flux cleaned = 0.000625319 Jy ! Component: 1050 - total flux cleaned = 0.000615043 Jy ! Component: 1100 - total flux cleaned = 0.000614957 Jy ! Component: 1150 - total flux cleaned = 0.000585191 Jy ! Component: 1200 - total flux cleaned = 0.000580363 Jy ! Component: 1250 - total flux cleaned = 0.000541782 Jy ! Component: 1300 - total flux cleaned = 0.000522744 Jy ! Component: 1350 - total flux cleaned = 0.000504038 Jy ! Component: 1400 - total flux cleaned = 0.00049945 Jy ! Component: 1450 - total flux cleaned = 0.000499454 Jy ! Component: 1500 - total flux cleaned = 0.000481422 Jy ! Component: 1550 - total flux cleaned = 0.000468076 Jy ! Component: 1600 - total flux cleaned = 0.000454933 Jy ! Component: 1650 - total flux cleaned = 0.0004506 Jy ! Component: 1700 - total flux cleaned = 0.000433473 Jy ! Component: 1750 - total flux cleaned = 0.000420753 Jy ! Component: 1800 - total flux cleaned = 0.000412346 Jy ! Component: 1850 - total flux cleaned = 0.000387413 Jy ! Component: 1900 - total flux cleaned = 0.000366838 Jy ! Component: 1950 - total flux cleaned = 0.000342415 Jy ! Component: 2000 - total flux cleaned = 0.000310238 Jy ! Component: 2050 - total flux cleaned = 0.000310235 Jy ! Component: 2100 - total flux cleaned = 0.000282565 Jy ! Component: 2150 - total flux cleaned = 0.000267033 Jy ! Component: 2200 - total flux cleaned = 0.000255441 Jy ! Component: 2250 - total flux cleaned = 0.000240124 Jy ! Component: 2300 - total flux cleaned = 0.000228727 Jy ! Component: 2350 - total flux cleaned = 0.000213709 Jy ! Component: 2400 - total flux cleaned = 0.000198808 Jy ! Component: 2450 - total flux cleaned = 0.000191405 Jy ! Component: 2500 - total flux cleaned = 0.000173075 Jy ! Component: 2550 - total flux cleaned = 0.000158565 Jy ! Component: 2600 - total flux cleaned = 0.000129744 Jy ! Component: 2650 - total flux cleaned = 0.000119077 Jy ! Component: 2700 - total flux cleaned = 0.000101348 Jy ! Component: 2750 - total flux cleaned = 9.07885e-05 Jy ! Component: 2800 - total flux cleaned = 6.9832e-05 Jy ! Component: 2850 - total flux cleaned = 4.21447e-05 Jy ! Component: 2900 - total flux cleaned = 3.87098e-05 Jy ! Component: 2950 - total flux cleaned = 2.51093e-05 Jy ! Component: 3000 - total flux cleaned = 2.17386e-05 Jy ! Component: 3050 - total flux cleaned = 2.1738e-05 Jy ! Component: 3100 - total flux cleaned = 1.83745e-05 Jy ! Component: 3150 - total flux cleaned = 8.42981e-06 Jy ! Component: 3200 - total flux cleaned = 1.83413e-05 Jy ! Component: 3250 - total flux cleaned = 2.16211e-05 Jy ! Component: 3300 - total flux cleaned = 1.83506e-05 Jy ! Component: 3350 - total flux cleaned = 1.83491e-05 Jy ! Component: 3400 - total flux cleaned = 1.18671e-05 Jy ! Component: 3450 - total flux cleaned = 2.20224e-06 Jy ! Component: 3500 - total flux cleaned = -1.38016e-05 Jy ! Component: 3550 - total flux cleaned = -2.01674e-05 Jy ! Component: 3600 - total flux cleaned = -3.28345e-05 Jy ! Component: 3650 - total flux cleaned = -4.54459e-05 Jy ! Component: 3700 - total flux cleaned = -4.23074e-05 Jy ! Component: 3750 - total flux cleaned = -5.48395e-05 Jy ! Component: 3800 - total flux cleaned = -6.10746e-05 Jy ! Component: 3850 - total flux cleaned = -7.34886e-05 Jy ! Component: 3900 - total flux cleaned = -7.65688e-05 Jy ! Component: 3950 - total flux cleaned = -8.58026e-05 Jy ! Component: 4000 - total flux cleaned = -9.1926e-05 Jy ! Component: 4050 - total flux cleaned = -9.80383e-05 Jy ! Total flux subtracted in 4096 components = -0.000110214 Jy ! Clean residual min=-0.000163 max=0.000180 Jy/beam ! Clean residual mean=-0.000000 rms=0.000051 Jy/beam ! Combined flux in latest and established models = 0.00928273 Jy keep ! Adding 251 model components to the UV plane model. ! The established model now contains 292 components and 0.00928273 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1709-2020_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.504 x 4.015 at -3.35 degrees (North through East) ! Clean map min=-0.00040436 max=0.0096718 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1709-2020_C_map.fits wmodel /vlbi/sb072/temp_maps//J1709-2020_C_map.mod ! Writing 292 model components to file: /vlbi/sb072/temp_maps//J1709-2020_C_map.mod wobs /vlbi/sb072/temp_maps//J1709-2020_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1709-2020_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1709-2020_C_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J1709-2020_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.00967181 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.1182e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.58756 1.58756 3.17512 6.35025 12.7005 25.401 50.802 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.009 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 188.969 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1709-2020_C_dfm.log closed on Thu Jan 31 09:42:34 2019