! Started logfile: /vlbi/sb072/temp_maps//J1923+3941_X_dfm.log on Tue Mar 5 23:30:41 2019 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 /vlbi/sb072/temp_maps//J1923+3941_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1923+3941_X_uva.fits ! AN table 1: 4 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1923+3941 ! ! 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 896 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 J1923+3941_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. ! ! 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=1.002090Jy sigma=41.428047 ! Fit after self-cal, rms=0.982732Jy sigma=40.624479 ! 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=0.8934 mas, bmaj=2.397 mas, bpa=23.82 degrees ! Estimated noise=0.858077 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 = 0.0134874 Jy ! Component: 100 - total flux cleaned = 0.0166394 Jy ! Total flux subtracted in 100 components = 0.0166394 Jy ! Clean residual min=-0.002774 max=0.002617 Jy/beam ! Clean residual mean=-0.000001 rms=0.000669 Jy/beam ! Combined flux in latest and established models = 0.0166394 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0166394 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=0.019716Jy sigma=0.771078 ! Fit after self-cal, rms=0.016776Jy sigma=0.644205 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00345179 Jy ! Component: 100 - total flux cleaned = 0.00417527 Jy ! Total flux subtracted in 100 components = 0.00417527 Jy ! Clean residual min=-0.002423 max=0.002450 Jy/beam ! Clean residual mean=-0.000003 rms=0.000597 Jy/beam ! Combined flux in latest and established models = 0.0208147 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.0208147 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=0.016095Jy sigma=0.612658 ! Fit after self-cal, rms=0.016098Jy sigma=0.612588 ! 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=1.088 mas, bmaj=2.539 mas, bpa=22.92 degrees ! Estimated noise=0.581905 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 = 0.00106223 Jy ! Component: 100 - total flux cleaned = 0.00119798 Jy ! Component: 150 - total flux cleaned = 0.00123001 Jy ! Component: 200 - total flux cleaned = 0.00125906 Jy ! Total flux subtracted in 200 components = 0.00125906 Jy ! Clean residual min=-0.001828 max=0.001718 Jy/beam ! Clean residual mean=-0.000003 rms=0.000425 Jy/beam ! Combined flux in latest and established models = 0.0220737 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 24 components and 0.0220737 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=0.016021Jy sigma=0.609595 ! Fit after self-cal, rms=0.016018Jy sigma=0.609521 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.088 x 2.539 at 22.92 degrees (North through East) ! Clean map min=-0.0017369 max=0.02062 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.94 HN 0.96 KP 0.93 ! LA 0.99 OV 1.19 PT 0.99 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 1.06 HN 0.91 KP 0.91 ! LA 1.04 OV 1.36 PT 0.97 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.12 HN 1.02 KP 0.91 ! LA 1.01 OV 1.05 PT 0.87 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.04 KP 1.03 ! LA 0.95 OV 0.99 PT 0.74 SC 1.24 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.30 FD 0.81 HN 0.90 KP 1.31 ! LA 1.03 OV 1.22 PT 0.90 SC 0.78 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 1.07 HN 0.85 KP 0.98 ! LA 0.98 OV 1.00 PT 0.95 SC 1.07 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.12 HN 0.95 KP 0.94 ! LA 1.02 OV 1.06 PT 0.86 SC 1.33 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.80 FD 1.24 HN 1.23 KP 1.08 ! LA 1.07 OV 1.41 PT 0.84 SC 0.99 ! ! ! Fit before self-cal, rms=0.016018Jy sigma=0.609521 ! Fit after self-cal, rms=0.016121Jy sigma=0.590608 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.096 mas, bmaj=2.512 mas, bpa=22.78 degrees ! Estimated noise=0.578669 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 = 0.000202222 Jy ! Component: 100 - total flux cleaned = 0.000132269 Jy ! Component: 150 - total flux cleaned = 0.000131273 Jy ! Component: 200 - total flux cleaned = 0.000130879 Jy ! Total flux subtracted in 200 components = 0.000130879 Jy ! Clean residual min=-0.001563 max=0.001453 Jy/beam ! Clean residual mean=0.000001 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.0222046 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 28 components and 0.0222046 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=0.016101Jy sigma=0.589737 ! Fit after self-cal, rms=0.016155Jy sigma=0.588918 ! 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=0.016155Jy sigma=0.588918 ! Fit after self-cal, rms=0.016230Jy sigma=0.588706 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.101 mas, bmaj=2.494 mas, bpa=22.46 degrees ! Estimated noise=0.580473 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000118791 Jy ! Component: 100 - total flux cleaned = 0.000119303 Jy ! Component: 150 - total flux cleaned = 0.000135408 Jy ! Component: 200 - total flux cleaned = 0.000135049 Jy ! Total flux subtracted in 200 components = 0.000135049 Jy ! Clean residual min=-0.001549 max=0.001480 Jy/beam ! Clean residual mean=0.000001 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.0223396 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.0223396 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=0.016217Jy sigma=0.588162 ! Fit after self-cal, rms=0.016217Jy sigma=0.588112 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 = -2.14371e-06 Jy ! Component: 100 - total flux cleaned = 4.13718e-06 Jy ! Component: 150 - total flux cleaned = -2.09456e-06 Jy ! Component: 200 - total flux cleaned = -7.96343e-06 Jy ! Total flux subtracted in 200 components = -7.96343e-06 Jy ! Clean residual min=-0.001540 max=0.001488 Jy/beam ! Clean residual mean=0.000001 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.0223317 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 38 components and 0.0223317 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=0.016212Jy sigma=0.587868 ! Fit after self-cal, rms=0.016212Jy sigma=0.587854 ! 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=0.016212Jy sigma=0.587854 ! Fit after self-cal, rms=0.016211Jy sigma=0.587711 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.105 mas, bmaj=2.48 mas, bpa=22.14 degrees ! Estimated noise=0.581726 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00013046 Jy ! Component: 100 - total flux cleaned = 0.000137686 Jy ! Component: 150 - total flux cleaned = 0.000137426 Jy ! Component: 200 - total flux cleaned = 0.000131576 Jy ! Total flux subtracted in 200 components = 0.000131576 Jy ! Clean residual min=-0.001534 max=0.001492 Jy/beam ! Clean residual mean=0.000001 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.0224633 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0224633 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=0.016203Jy sigma=0.587406 ! Fit after self-cal, rms=0.016200Jy sigma=0.587384 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 = 3.36811e-07 Jy ! Component: 100 - total flux cleaned = 7.26702e-07 Jy ! Component: 150 - total flux cleaned = -4.12882e-06 Jy ! Component: 200 - total flux cleaned = -4.48928e-06 Jy ! Total flux subtracted in 200 components = -4.48928e-06 Jy ! Clean residual min=-0.001527 max=0.001499 Jy/beam ! Clean residual mean=0.000001 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.0224588 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 39 components and 0.0224588 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=0.016197Jy sigma=0.587248 ! Fit after self-cal, rms=0.016197Jy sigma=0.587241 ! 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=0.016197Jy sigma=0.587241 ! Fit after self-cal, rms=0.016199Jy sigma=0.587151 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.497 mas, bmaj=3.128 mas, bpa=41.57 degrees ! Estimated noise=0.681713 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.9707e-05 Jy ! Component: 100 - total flux cleaned = 2.92097e-05 Jy ! Component: 150 - total flux cleaned = 1.88897e-05 Jy ! Component: 200 - total flux cleaned = 1.90183e-05 Jy ! Total flux subtracted in 200 components = 1.90183e-05 Jy ! Clean residual min=-0.001646 max=0.001290 Jy/beam ! Clean residual mean=0.000002 rms=0.000389 Jy/beam ! Combined flux in latest and established models = 0.0224778 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 40 components and 0.0224778 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=0.016195Jy sigma=0.587005 ! Fit after self-cal, rms=0.016194Jy sigma=0.586976 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 = -5.24985e-06 Jy ! Component: 100 - total flux cleaned = -4.90073e-06 Jy ! Component: 150 - total flux cleaned = -4.97943e-06 Jy ! Component: 200 - total flux cleaned = -4.92876e-06 Jy ! Total flux subtracted in 200 components = -4.92876e-06 Jy ! Clean residual min=-0.001624 max=0.001285 Jy/beam ! Clean residual mean=0.000002 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.0224729 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 40 components and 0.0224729 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=0.016192Jy sigma=0.586883 ! Fit after self-cal, rms=0.016192Jy sigma=0.586870 ! 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=1.108 mas, bmaj=2.469 mas, bpa=21.87 degrees ! Estimated noise=0.582761 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.108 x 2.469 at 21.87 degrees (North through East) ! Clean map min=-0.0014097 max=0.020484 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=0.9099 mas, bmaj=2.344 mas, bpa=22.96 degrees ! Estimated noise=0.867089 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01604 Jy ! Component: 100 - total flux cleaned = 0.019677 Jy ! Component: 150 - total flux cleaned = 0.0207748 Jy ! Component: 200 - total flux cleaned = 0.0211502 Jy ! Total flux subtracted in 200 components = 0.0211502 Jy ! Clean residual min=-0.002425 max=0.002275 Jy/beam ! Clean residual mean=0.000000 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.0211502 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0211502 Jy ! Inverting map and beam ! Estimated beam: bmin=1.108 mas, bmaj=2.469 mas, bpa=21.87 degrees ! Estimated noise=0.582761 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 = 0.00114353 Jy ! Component: 100 - total flux cleaned = 0.00121873 Jy ! Component: 150 - total flux cleaned = 0.00131209 Jy ! Component: 200 - total flux cleaned = 0.00138963 Jy ! Total flux subtracted in 200 components = 0.00138963 Jy ! Clean residual min=-0.001574 max=0.001486 Jy/beam ! Clean residual mean=0.000001 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.0225398 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 21 components and 0.0225398 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.497 mas, bmaj=3.128 mas, bpa=41.57 degrees ! Estimated noise=0.681713 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.48638e-05 Jy ! Component: 100 - total flux cleaned = -8.95475e-05 Jy ! Component: 150 - total flux cleaned = -0.000100574 Jy ! Component: 200 - total flux cleaned = -0.00010059 Jy ! Total flux subtracted in 200 components = -0.00010059 Jy ! Clean residual min=-0.001721 max=0.001294 Jy/beam ! Clean residual mean=0.000002 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.0224392 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 = -8.5912e-06 Jy ! Component: 100 - total flux cleaned = -8.47852e-06 Jy ! Component: 150 - total flux cleaned = -4.33775e-07 Jy ! Component: 200 - total flux cleaned = 7.01622e-06 Jy ! Total flux subtracted in 200 components = 7.01622e-06 Jy ! Clean residual min=-0.001690 max=0.001292 Jy/beam ! Clean residual mean=0.000002 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.0224462 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.0224462 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.108 mas, bmaj=2.469 mas, bpa=21.87 degrees ! Estimated noise=0.582761 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.68862e-05 Jy ! Component: 100 - total flux cleaned = 4.77249e-05 Jy ! Component: 150 - total flux cleaned = 5.82708e-05 Jy ! Component: 200 - total flux cleaned = 7.78912e-05 Jy ! Total flux subtracted in 200 components = 7.78912e-05 Jy ! Clean residual min=-0.001526 max=0.001511 Jy/beam ! Clean residual mean=0.000001 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.0225241 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 0.0225241 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=0.016212Jy sigma=0.587876 ! Fit after self-cal, rms=0.016214Jy sigma=0.587740 wmodel J1923+3941_X_map.mod ! Writing 43 model components to file: J1923+3941_X_map.mod wobs J1923+3941_X_uvs.fits ! Writing UV FITS file: J1923+3941_X_uvs.fits wwins J1923+3941_X_map.win ! wwins: Wrote 1 windows to J1923+3941_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 = -6.52649e-05 Jy ! Component: 100 - total flux cleaned = -1.5191e-05 Jy ! Component: 150 - total flux cleaned = -6.13869e-05 Jy ! Component: 200 - total flux cleaned = -0.000127199 Jy ! Component: 250 - total flux cleaned = -0.000168212 Jy ! Component: 300 - total flux cleaned = -0.000130801 Jy ! Component: 350 - total flux cleaned = -0.000113431 Jy ! Component: 400 - total flux cleaned = -0.000113957 Jy ! Component: 450 - total flux cleaned = -8.04613e-05 Jy ! Component: 500 - total flux cleaned = -3.23174e-05 Jy ! Component: 550 - total flux cleaned = 1.37721e-05 Jy ! Component: 600 - total flux cleaned = 7.33622e-05 Jy ! Component: 650 - total flux cleaned = 0.000160189 Jy ! Component: 700 - total flux cleaned = 0.000230307 Jy ! Component: 750 - total flux cleaned = 0.000257787 Jy ! Component: 800 - total flux cleaned = 0.000351052 Jy ! Component: 850 - total flux cleaned = 0.00040263 Jy ! Component: 900 - total flux cleaned = 0.000453068 Jy ! Component: 950 - total flux cleaned = 0.000551782 Jy ! Component: 1000 - total flux cleaned = 0.000611902 Jy ! Component: 1050 - total flux cleaned = 0.000694449 Jy ! Component: 1100 - total flux cleaned = 0.000752129 Jy ! Component: 1150 - total flux cleaned = 0.000842436 Jy ! Component: 1200 - total flux cleaned = 0.000897809 Jy ! Component: 1250 - total flux cleaned = 0.000962975 Jy ! Component: 1300 - total flux cleaned = 0.00101622 Jy ! Component: 1350 - total flux cleaned = 0.00107901 Jy ! Component: 1400 - total flux cleaned = 0.00113043 Jy ! Component: 1450 - total flux cleaned = 0.00117087 Jy ! Component: 1500 - total flux cleaned = 0.00121076 Jy ! Component: 1550 - total flux cleaned = 0.00124036 Jy ! Component: 1600 - total flux cleaned = 0.00127913 Jy ! Component: 1650 - total flux cleaned = 0.00131744 Jy ! Component: 1700 - total flux cleaned = 0.00135534 Jy ! Component: 1750 - total flux cleaned = 0.00141167 Jy ! Component: 1800 - total flux cleaned = 0.0014582 Jy ! Component: 1850 - total flux cleaned = 0.00148584 Jy ! Component: 1900 - total flux cleaned = 0.00152242 Jy ! Component: 1950 - total flux cleaned = 0.0015134 Jy ! Component: 2000 - total flux cleaned = 0.00153134 Jy ! Component: 2050 - total flux cleaned = 0.00151342 Jy ! Component: 2100 - total flux cleaned = 0.00151343 Jy ! Component: 2150 - total flux cleaned = 0.00151346 Jy ! Component: 2200 - total flux cleaned = 0.00151347 Jy ! Component: 2250 - total flux cleaned = 0.00150486 Jy ! Component: 2300 - total flux cleaned = 0.00150484 Jy ! Component: 2350 - total flux cleaned = 0.00153058 Jy ! Component: 2400 - total flux cleaned = 0.00153059 Jy ! Component: 2450 - total flux cleaned = 0.0015306 Jy ! Component: 2500 - total flux cleaned = 0.00154754 Jy ! Component: 2550 - total flux cleaned = 0.0015813 Jy ! Component: 2600 - total flux cleaned = 0.00158969 Jy ! Component: 2650 - total flux cleaned = 0.00159806 Jy ! Component: 2700 - total flux cleaned = 0.00161477 Jy ! Component: 2750 - total flux cleaned = 0.00163985 Jy ! Component: 2800 - total flux cleaned = 0.00165656 Jy ! Component: 2850 - total flux cleaned = 0.00168991 Jy ! Component: 2900 - total flux cleaned = 0.00172332 Jy ! Component: 2950 - total flux cleaned = 0.00175681 Jy ! Component: 3000 - total flux cleaned = 0.00176516 Jy ! Component: 3050 - total flux cleaned = 0.0018072 Jy ! Component: 3100 - total flux cleaned = 0.00181564 Jy ! Component: 3150 - total flux cleaned = 0.00184939 Jy ! Component: 3200 - total flux cleaned = 0.00184943 Jy ! Component: 3250 - total flux cleaned = 0.0018664 Jy ! Component: 3300 - total flux cleaned = 0.00190051 Jy ! Component: 3350 - total flux cleaned = 0.00191757 Jy ! Component: 3400 - total flux cleaned = 0.00193479 Jy ! Component: 3450 - total flux cleaned = 0.00196064 Jy ! Component: 3500 - total flux cleaned = 0.00196073 Jy ! Component: 3550 - total flux cleaned = 0.00198682 Jy ! Component: 3600 - total flux cleaned = 0.00201317 Jy ! Component: 3650 - total flux cleaned = 0.00202198 Jy ! Component: 3700 - total flux cleaned = 0.00204861 Jy ! Component: 3750 - total flux cleaned = 0.00205762 Jy ! Component: 3800 - total flux cleaned = 0.00208464 Jy ! Component: 3850 - total flux cleaned = 0.00209366 Jy ! Component: 3900 - total flux cleaned = 0.00210277 Jy ! Component: 3950 - total flux cleaned = 0.00212115 Jy ! Component: 4000 - total flux cleaned = 0.00213046 Jy ! Component: 4050 - total flux cleaned = 0.00213985 Jy ! Total flux subtracted in 4096 components = 0.00216829 Jy ! Clean residual min=-0.000674 max=0.000565 Jy/beam ! Clean residual mean=0.000003 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.0246924 Jy keep ! Adding 244 model components to the UV plane model. ! The established model now contains 287 components and 0.0246924 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1923+3941_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.108 x 2.469 at 21.87 degrees (North through East) ! Clean map min=-0.0011904 max=0.020577 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1923+3941_X_map.fits wmodel /vlbi/sb072/temp_maps//J1923+3941_X_map.mod ! Writing 287 model components to file: /vlbi/sb072/temp_maps//J1923+3941_X_map.mod wobs /vlbi/sb072/temp_maps//J1923+3941_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1923+3941_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1923+3941_X_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J1923+3941_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0205773 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000138226 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.01521 2.01521 4.03042 8.06085 16.1217 32.2434 64.4868 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.02 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 148.867 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1923+3941_X_dfm.log closed on Tue Mar 5 23:30:45 2019