! Started logfile: /vlbi/bs262/maps//J0141-0928_C_20180501_dfm.log on Mon Jun 4 23:12:47 2018 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/bs262/maps//J0141-0928_C_20180501_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0141-0928_C_20180501_uva.fits ! AN table 1: 22 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.977273 visibilities/baseline/integration-bin. ! Found source: J0141-0928 ! ! 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 4816 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 J0141-0928_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 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=1.177389Jy sigma=26.039852 ! Fit after self-cal, rms=0.449159Jy sigma=9.895675 ! 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=1.258 mas, bmaj=3.162 mas, bpa=-3.424 degrees ! Estimated noise=0.707076 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 = 0.426925 Jy ! Component: 100 - total flux cleaned = 0.52013 Jy ! Total flux subtracted in 100 components = 0.52013 Jy ! Clean residual min=-0.018901 max=0.026593 Jy/beam ! Clean residual mean=-0.000016 rms=0.004246 Jy/beam ! Combined flux in latest and established models = 0.52013 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.52013 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=0.075599Jy sigma=1.637827 ! Fit after self-cal, rms=0.075612Jy sigma=1.637152 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0260738 Jy ! Component: 100 - total flux cleaned = 0.0390338 Jy ! Total flux subtracted in 100 components = 0.0390338 Jy ! Clean residual min=-0.017243 max=0.021264 Jy/beam ! Clean residual mean=-0.000017 rms=0.003326 Jy/beam ! Combined flux in latest and established models = 0.559164 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 0.559164 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=0.063736Jy sigma=1.341750 ! Fit after self-cal, rms=0.063679Jy sigma=1.341282 ! Inverting map ! Added new window around map position (-3, -2.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0175981 Jy ! Component: 100 - total flux cleaned = 0.0263848 Jy ! Total flux subtracted in 100 components = 0.0263848 Jy ! Clean residual min=-0.015041 max=0.013693 Jy/beam ! Clean residual mean=-0.000016 rms=0.002675 Jy/beam ! Combined flux in latest and established models = 0.585549 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 0.585549 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=0.058039Jy sigma=1.159560 ! Fit after self-cal, rms=0.057484Jy sigma=1.147706 ! 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=1.652 mas, bmaj=3.764 mas, bpa=-1.502 degrees ! Estimated noise=0.494072 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 = 0.0116586 Jy ! Component: 100 - total flux cleaned = 0.0181532 Jy ! Component: 150 - total flux cleaned = 0.0223143 Jy ! Component: 200 - total flux cleaned = 0.0250284 Jy ! Total flux subtracted in 200 components = 0.0250284 Jy ! Clean residual min=-0.015709 max=0.013624 Jy/beam ! Clean residual mean=-0.000031 rms=0.003492 Jy/beam ! Combined flux in latest and established models = 0.610577 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 37 components and 0.610577 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=0.055705Jy sigma=1.078181 ! Fit after self-cal, rms=0.055344Jy sigma=1.070860 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.652 x 3.764 at -1.502 degrees (North through East) ! Clean map min=-0.015128 max=0.55158 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.96 KP 1.00 LA 1.05 ! MK 1.02 NL 1.03 OV 1.01 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.95 KP 0.98 LA 1.04 ! MK 1.01 NL 1.03 OV 1.04 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.95 KP 0.99 LA 1.05 ! MK 1.00 NL 1.02 OV 1.03 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.92 KP 0.97 LA 0.97 ! MK 1.00 NL 1.01 OV 1.05 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.93 KP 0.99 LA 1.05 ! MK 1.02 NL 1.03 OV 1.03 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.90 KP 0.95 LA 1.04 ! MK 0.97 NL 1.04 OV 1.03 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.91 KP 0.95 LA 1.04 ! MK 0.99 NL 1.02 OV 1.02 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.91 KP 0.96 LA 1.04 ! MK 1.01 NL 1.03 OV 1.01 SC 1.01 ! ! ! Fit before self-cal, rms=0.055344Jy sigma=1.070860 ! Fit after self-cal, rms=0.048700Jy sigma=0.753768 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.649 mas, bmaj=3.782 mas, bpa=-1.386 degrees ! Estimated noise=0.494025 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 = -0.00171628 Jy ! Component: 100 - total flux cleaned = -0.00236743 Jy ! Component: 150 - total flux cleaned = -0.00306154 Jy ! Component: 200 - total flux cleaned = -0.00357526 Jy ! Total flux subtracted in 200 components = -0.00357526 Jy ! Clean residual min=-0.007419 max=0.005627 Jy/beam ! Clean residual mean=-0.000005 rms=0.001326 Jy/beam ! Combined flux in latest and established models = 0.607002 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 47 components and 0.607002 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=0.047995Jy sigma=0.738099 ! Fit after self-cal, rms=0.048005Jy sigma=0.737026 ! 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=0.048005Jy sigma=0.737026 ! Fit after self-cal, rms=0.047940Jy sigma=0.735868 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.649 mas, bmaj=3.784 mas, bpa=-1.342 degrees ! Estimated noise=0.493758 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0012049 Jy ! Component: 100 - total flux cleaned = -0.00171709 Jy ! Component: 150 - total flux cleaned = -0.00225716 Jy ! Component: 200 - total flux cleaned = -0.00266005 Jy ! Total flux subtracted in 200 components = -0.00266005 Jy ! Clean residual min=-0.006551 max=0.005030 Jy/beam ! Clean residual mean=-0.000005 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.604342 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 51 components and 0.604342 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=0.047490Jy sigma=0.726323 ! Fit after self-cal, rms=0.047481Jy sigma=0.725556 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 = -6.81145e-05 Jy ! Component: 100 - total flux cleaned = -0.000366721 Jy ! Component: 150 - total flux cleaned = -0.000369553 Jy ! Component: 200 - total flux cleaned = -0.000432983 Jy ! Total flux subtracted in 200 components = -0.000432983 Jy ! Clean residual min=-0.005985 max=0.004911 Jy/beam ! Clean residual mean=-0.000005 rms=0.001185 Jy/beam ! Combined flux in latest and established models = 0.603909 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 53 components and 0.603909 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=0.047225Jy sigma=0.720981 ! Fit after self-cal, rms=0.047222Jy sigma=0.720523 ! 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=0.047222Jy sigma=0.720523 ! Fit after self-cal, rms=0.047210Jy sigma=0.718780 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.648 mas, bmaj=3.784 mas, bpa=-1.295 degrees ! Estimated noise=0.493805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000816664 Jy ! Component: 100 - total flux cleaned = -0.00110819 Jy ! Component: 150 - total flux cleaned = -0.00129651 Jy ! Component: 200 - total flux cleaned = -0.00141129 Jy ! Total flux subtracted in 200 components = -0.00141129 Jy ! Clean residual min=-0.005453 max=0.004236 Jy/beam ! Clean residual mean=-0.000006 rms=0.001108 Jy/beam ! Combined flux in latest and established models = 0.602497 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 57 components and 0.602497 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=0.046953Jy sigma=0.714104 ! Fit after self-cal, rms=0.046951Jy sigma=0.713761 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 = -0.000176476 Jy ! Component: 100 - total flux cleaned = -0.000284874 Jy ! Component: 150 - total flux cleaned = -0.000284515 Jy ! Component: 200 - total flux cleaned = -0.000332219 Jy ! Total flux subtracted in 200 components = -0.000332219 Jy ! Clean residual min=-0.005148 max=0.004218 Jy/beam ! Clean residual mean=-0.000006 rms=0.001087 Jy/beam ! Combined flux in latest and established models = 0.602165 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 60 components and 0.602165 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=0.046803Jy sigma=0.711239 ! Fit after self-cal, rms=0.046801Jy sigma=0.711012 ! 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=0.046801Jy sigma=0.711012 ! Fit after self-cal, rms=0.046823Jy sigma=0.709879 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.908 mas, bmaj=6.591 mas, bpa=-5.948 degrees ! Estimated noise=0.622773 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000110208 Jy ! Component: 100 - total flux cleaned = -1.9647e-05 Jy ! Component: 150 - total flux cleaned = -0.000113712 Jy ! Component: 200 - total flux cleaned = -0.000161951 Jy ! Total flux subtracted in 200 components = -0.000161951 Jy ! Clean residual min=-0.005201 max=0.004420 Jy/beam ! Clean residual mean=-0.000010 rms=0.001361 Jy/beam ! Combined flux in latest and established models = 0.602003 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 67 components and 0.602003 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=0.046694Jy sigma=0.708621 ! Fit after self-cal, rms=0.046691Jy sigma=0.708537 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 = -0.000165857 Jy ! Component: 100 - total flux cleaned = -0.000211399 Jy ! Component: 150 - total flux cleaned = -0.000277512 Jy ! Component: 200 - total flux cleaned = -0.000339678 Jy ! Total flux subtracted in 200 components = -0.000339678 Jy ! Clean residual min=-0.005176 max=0.004493 Jy/beam ! Clean residual mean=-0.000011 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 0.601664 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 70 components and 0.601664 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=0.046676Jy sigma=0.708387 ! Fit after self-cal, rms=0.046677Jy sigma=0.708335 ! 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=1.647 mas, bmaj=3.784 mas, bpa=-1.263 degrees ! Estimated noise=0.493937 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.647 x 3.784 at -1.263 degrees (North through East) ! Clean map min=-0.0047795 max=0.55188 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 ! Performing amp+phase self-cal ! ! 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=0.046677Jy sigma=0.708335 ! Fit after self-cal, rms=0.044057Jy sigma=0.615773 ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=3.783 mas, bpa=-1.298 degrees ! Estimated noise=0.494238 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000683628 Jy ! Component: 100 - total flux cleaned = -0.000843923 Jy ! Component: 150 - total flux cleaned = -0.000892038 Jy ! Component: 200 - total flux cleaned = -0.000937909 Jy ! Total flux subtracted in 200 components = -0.000937909 Jy ! Clean residual min=-0.004750 max=0.003595 Jy/beam ! Clean residual mean=-0.000005 rms=0.000984 Jy/beam ! Combined flux in latest and established models = 0.600726 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 76 components and 0.600726 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=0.043905Jy sigma=0.612236 ! Fit after self-cal, rms=0.043901Jy sigma=0.612037 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.73648e-05 Jy ! Component: 100 - total flux cleaned = -0.000176126 Jy ! Component: 150 - total flux cleaned = -0.00025755 Jy ! Component: 200 - total flux cleaned = -0.000295322 Jy ! Total flux subtracted in 200 components = -0.000295322 Jy ! Clean residual min=-0.004528 max=0.003382 Jy/beam ! Clean residual mean=-0.000005 rms=0.000971 Jy/beam ! Combined flux in latest and established models = 0.60043 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 80 components and 0.60043 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=0.043798Jy sigma=0.610143 ! Fit after self-cal, rms=0.043795Jy sigma=0.609994 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.043795Jy sigma=0.609994 ! Fit after self-cal, rms=0.043837Jy sigma=0.609345 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=1.253 mas, bmaj=3.183 mas, bpa=-3.268 degrees ! Estimated noise=0.706601 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.426563 Jy ! Component: 100 - total flux cleaned = 0.520119 Jy ! Component: 150 - total flux cleaned = 0.549404 Jy ! Component: 200 - total flux cleaned = 0.567008 Jy ! Total flux subtracted in 200 components = 0.567008 Jy ! Clean residual min=-0.011466 max=0.009525 Jy/beam ! Clean residual mean=-0.000003 rms=0.001963 Jy/beam ! Combined flux in latest and established models = 0.567008 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.567008 Jy ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=3.783 mas, bpa=-1.279 degrees ! Estimated noise=0.494239 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 = 0.0159031 Jy ! Component: 100 - total flux cleaned = 0.0244491 Jy ! Component: 150 - total flux cleaned = 0.0281858 Jy ! Component: 200 - total flux cleaned = 0.0286942 Jy ! Total flux subtracted in 200 components = 0.0286942 Jy ! Clean residual min=-0.007592 max=0.005179 Jy/beam ! Clean residual mean=-0.000007 rms=0.001265 Jy/beam ! Combined flux in latest and established models = 0.595702 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 31 components and 0.595702 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=3.911 mas, bmaj=6.593 mas, bpa=-5.953 degrees ! Estimated noise=0.623732 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00369944 Jy ! Component: 100 - total flux cleaned = 0.00405672 Jy ! Component: 150 - total flux cleaned = 0.00424904 Jy ! Component: 200 - total flux cleaned = 0.00442057 Jy ! Total flux subtracted in 200 components = 0.00442057 Jy ! Clean residual min=-0.006632 max=0.003874 Jy/beam ! Clean residual mean=-0.000010 rms=0.001350 Jy/beam ! Combined flux in latest and established models = 0.600123 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 = 7.65505e-05 Jy ! Component: 100 - total flux cleaned = -5.7642e-05 Jy ! Component: 150 - total flux cleaned = -0.000122242 Jy ! Component: 200 - total flux cleaned = -0.000240667 Jy ! Total flux subtracted in 200 components = -0.000240667 Jy ! Clean residual min=-0.006205 max=0.003474 Jy/beam ! Clean residual mean=-0.000010 rms=0.001313 Jy/beam ! Combined flux in latest and established models = 0.599882 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 42 components and 0.599882 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=3.783 mas, bpa=-1.279 degrees ! Estimated noise=0.494239 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000650868 Jy ! Component: 100 - total flux cleaned = -0.000831552 Jy ! Component: 150 - total flux cleaned = -0.000996725 Jy ! Component: 200 - total flux cleaned = -0.00121996 Jy ! Total flux subtracted in 200 components = -0.00121996 Jy ! Clean residual min=-0.005615 max=0.004056 Jy/beam ! Clean residual mean=-0.000006 rms=0.001016 Jy/beam ! Combined flux in latest and established models = 0.598662 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 48 components and 0.598662 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=0.044218Jy sigma=0.618325 ! Fit after self-cal, rms=0.044140Jy sigma=0.616155 wmodel J0141-0928_C_map.mod ! Writing 48 model components to file: J0141-0928_C_map.mod wobs J0141-0928_C_uvs.fits ! Writing UV FITS file: J0141-0928_C_uvs.fits wwins J0141-0928_C_map.win ! wwins: Wrote 2 windows to J0141-0928_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 = -0.00229627 Jy ! Component: 100 - total flux cleaned = -0.00406303 Jy ! Component: 150 - total flux cleaned = -0.00536542 Jy ! Component: 200 - total flux cleaned = -0.00624853 Jy ! Component: 250 - total flux cleaned = -0.00696083 Jy ! Component: 300 - total flux cleaned = -0.00763542 Jy ! Component: 350 - total flux cleaned = -0.00822337 Jy ! Component: 400 - total flux cleaned = -0.00888859 Jy ! Component: 450 - total flux cleaned = -0.00962522 Jy ! Component: 500 - total flux cleaned = -0.0103831 Jy ! Component: 550 - total flux cleaned = -0.011158 Jy ! Component: 600 - total flux cleaned = -0.0118625 Jy ! Component: 650 - total flux cleaned = -0.0124166 Jy ! Component: 700 - total flux cleaned = -0.0130371 Jy ! Component: 750 - total flux cleaned = -0.0136794 Jy ! Component: 800 - total flux cleaned = -0.0143045 Jy ! Component: 850 - total flux cleaned = -0.0147999 Jy ! Component: 900 - total flux cleaned = -0.0153571 Jy ! Component: 950 - total flux cleaned = -0.0157924 Jy ! Component: 1000 - total flux cleaned = -0.0161828 Jy ! Component: 1050 - total flux cleaned = -0.0164952 Jy ! Component: 1100 - total flux cleaned = -0.0168012 Jy ! Component: 1150 - total flux cleaned = -0.0170683 Jy ! Component: 1200 - total flux cleaned = -0.0173311 Jy ! Component: 1250 - total flux cleaned = -0.0176851 Jy ! Component: 1300 - total flux cleaned = -0.0179379 Jy ! Component: 1350 - total flux cleaned = -0.0182795 Jy ! Component: 1400 - total flux cleaned = -0.0185238 Jy ! Component: 1450 - total flux cleaned = -0.0187643 Jy ! Component: 1500 - total flux cleaned = -0.0189124 Jy ! Component: 1550 - total flux cleaned = -0.0190875 Jy ! Component: 1600 - total flux cleaned = -0.0192886 Jy ! Component: 1650 - total flux cleaned = -0.019402 Jy ! Component: 1700 - total flux cleaned = -0.0195138 Jy ! Component: 1750 - total flux cleaned = -0.0197065 Jy ! Component: 1800 - total flux cleaned = -0.0198149 Jy ! Component: 1850 - total flux cleaned = -0.0198955 Jy ! Component: 1900 - total flux cleaned = -0.0200275 Jy ! Component: 1950 - total flux cleaned = -0.0201318 Jy ! Component: 2000 - total flux cleaned = -0.0202349 Jy ! Component: 2050 - total flux cleaned = -0.0203364 Jy ! Component: 2100 - total flux cleaned = -0.0204119 Jy ! Component: 2150 - total flux cleaned = -0.0205852 Jy ! Component: 2200 - total flux cleaned = -0.0206093 Jy ! Component: 2250 - total flux cleaned = -0.0207305 Jy ! Component: 2300 - total flux cleaned = -0.0208261 Jy ! Component: 2350 - total flux cleaned = -0.0208973 Jy ! Component: 2400 - total flux cleaned = -0.0210381 Jy ! Component: 2450 - total flux cleaned = -0.0211776 Jy ! Component: 2500 - total flux cleaned = -0.0213152 Jy ! Component: 2550 - total flux cleaned = -0.0214291 Jy ! Component: 2600 - total flux cleaned = -0.0215418 Jy ! Component: 2650 - total flux cleaned = -0.0217427 Jy ! Component: 2700 - total flux cleaned = -0.0218533 Jy ! Component: 2750 - total flux cleaned = -0.0220066 Jy ! Component: 2800 - total flux cleaned = -0.0221586 Jy ! Component: 2850 - total flux cleaned = -0.0222447 Jy ! Component: 2900 - total flux cleaned = -0.0223729 Jy ! Component: 2950 - total flux cleaned = -0.0224997 Jy ! Component: 3000 - total flux cleaned = -0.0226467 Jy ! Component: 3050 - total flux cleaned = -0.0227507 Jy ! Component: 3100 - total flux cleaned = -0.0228949 Jy ! Component: 3150 - total flux cleaned = -0.0230586 Jy ! Component: 3200 - total flux cleaned = -0.0232005 Jy ! Component: 3250 - total flux cleaned = -0.0233013 Jy ! Component: 3300 - total flux cleaned = -0.0234413 Jy ! Component: 3350 - total flux cleaned = -0.0235805 Jy ! Component: 3400 - total flux cleaned = -0.0237185 Jy ! Component: 3450 - total flux cleaned = -0.0238358 Jy ! Component: 3500 - total flux cleaned = -0.0239522 Jy ! Component: 3550 - total flux cleaned = -0.0240487 Jy ! Component: 3600 - total flux cleaned = -0.0241064 Jy ! Component: 3650 - total flux cleaned = -0.024221 Jy ! Component: 3700 - total flux cleaned = -0.0243158 Jy ! Component: 3750 - total flux cleaned = -0.0243912 Jy ! Component: 3800 - total flux cleaned = -0.0245039 Jy ! Component: 3850 - total flux cleaned = -0.0245973 Jy ! Component: 3900 - total flux cleaned = -0.0246903 Jy ! Component: 3950 - total flux cleaned = -0.0247827 Jy ! Component: 4000 - total flux cleaned = -0.0249114 Jy ! Component: 4050 - total flux cleaned = -0.0249663 Jy ! Total flux subtracted in 4096 components = -0.0250028 Jy ! Clean residual min=-0.001182 max=0.001114 Jy/beam ! Clean residual mean=-0.000002 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.573659 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 354 components and 0.573659 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0141-0928_C_20180501_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.645 x 3.783 at -1.279 degrees (North through East) ! Clean map min=-0.003616 max=0.55235 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0141-0928_C_20180501_map.fits wmodel /vlbi/bs262/maps//J0141-0928_C_20180501_map.mod ! Writing 354 model components to file: /vlbi/bs262/maps//J0141-0928_C_20180501_map.mod wobs /vlbi/bs262/maps//J0141-0928_C_20180501_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0141-0928_C_20180501_uvs.fits wwins /vlbi/bs262/maps//J0141-0928_C_20180501_map.win ! wwins: Wrote 3 windows to /vlbi/bs262/maps//J0141-0928_C_20180501_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.552354 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00032583 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.176968 0.176968 0.353936 0.707872 1.41574 2.83149 5.66298 11.326 22.6519 45.3038 90.6077 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.552 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1695.22 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0141-0928_C_20180501_dfm.log closed on Mon Jun 4 23:12:52 2018