! Started logfile: /vlbi/bs262/maps//J0238+2554_C_20180501_dfm.log on Mon Jun 4 23:14:37 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//J0238+2554_C_20180501_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0238+2554_C_20180501_uva.fits ! AN table 1: 91 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0238+2554 ! ! 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 20384 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 J0238+2554_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=1.000636Jy sigma=24.744664 ! Fit after self-cal, rms=0.991469Jy sigma=24.524080 ! 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=1.361 mas, bmaj=4.369 mas, bpa=29.92 degrees ! Estimated noise=0.454838 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 = 0.00700041 Jy ! Component: 100 - total flux cleaned = 0.00839228 Jy ! Total flux subtracted in 100 components = 0.00839228 Jy ! Clean residual min=-0.001251 max=0.001300 Jy/beam ! Clean residual mean=0.000001 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.00839228 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.00839228 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=0.024562Jy sigma=0.543602 ! Fit after self-cal, rms=0.023114Jy sigma=0.503840 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0034136 Jy ! Component: 100 - total flux cleaned = 0.00390945 Jy ! Total flux subtracted in 100 components = 0.00390945 Jy ! Clean residual min=-0.001104 max=0.001197 Jy/beam ! Clean residual mean=0.000000 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.0123017 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.0123017 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=0.022661Jy sigma=0.493233 ! Fit after self-cal, rms=0.022650Jy sigma=0.492962 ! 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=1.831 mas, bmaj=4.444 mas, bpa=29.42 degrees ! Estimated noise=0.211386 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 = -4.20533e-05 Jy ! Component: 100 - total flux cleaned = -0.000180437 Jy ! Component: 150 - total flux cleaned = -0.000309975 Jy ! Component: 200 - total flux cleaned = -0.000415843 Jy ! Total flux subtracted in 200 components = -0.000415843 Jy ! Clean residual min=-0.000986 max=0.000969 Jy/beam ! Clean residual mean=0.000002 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0118859 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 26 components and 0.0118859 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=0.022630Jy sigma=0.492694 ! Fit after self-cal, rms=0.022613Jy sigma=0.492563 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.831 x 4.444 at 29.42 degrees (North through East) ! Clean map min=-0.00099008 max=0.012883 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.74 KP 1.14 LA 1.08 ! MK 0.87 NL 1.06 OV 0.98 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.65 KP 1.04 LA 1.19 ! MK 0.90 NL 1.16 OV 1.02 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.82 KP 1.07 LA 1.07 ! MK 0.85 NL 1.02 OV 0.99 SC 0.90 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.78 KP 1.14 LA 1.02 ! MK 0.79 NL 1.15 OV 0.92 SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.50 FD 0.97 KP 1.10 LA 1.12 ! MK 0.84 NL 1.02 OV 0.99 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.83 KP 1.09 LA 1.22 ! MK 0.88 NL 1.13 OV 1.06 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.89 KP 1.01 LA 1.22 ! MK 1.03 NL 1.09 OV 0.97 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.90 KP 1.08 LA 1.12 ! MK 0.92 NL 1.18 OV 0.96 SC 1.01 ! ! ! Fit before self-cal, rms=0.022613Jy sigma=0.492563 ! Fit after self-cal, rms=0.022061Jy sigma=0.489629 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.797 mas, bmaj=4.453 mas, bpa=28.93 degrees ! Estimated noise=0.209884 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 = 7.94962e-05 Jy ! Component: 100 - total flux cleaned = 8.80912e-05 Jy ! Component: 150 - total flux cleaned = 8.19681e-05 Jy ! Component: 200 - total flux cleaned = 7.28126e-05 Jy ! Total flux subtracted in 200 components = 7.28126e-05 Jy ! Clean residual min=-0.000543 max=0.000404 Jy/beam ! Clean residual mean=0.000000 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0119587 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 42 components and 0.0119587 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=0.022056Jy sigma=0.489484 ! Fit after self-cal, rms=0.022170Jy sigma=0.488340 ! 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=0.022170Jy sigma=0.488340 ! Fit after self-cal, rms=0.022867Jy sigma=0.487840 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.796 mas, bmaj=4.457 mas, bpa=28.73 degrees ! Estimated noise=0.210494 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.90096e-05 Jy ! Component: 100 - total flux cleaned = 5.61668e-05 Jy ! Component: 150 - total flux cleaned = 3.51601e-05 Jy ! Component: 200 - total flux cleaned = 3.88232e-05 Jy ! Total flux subtracted in 200 components = 3.88232e-05 Jy ! Clean residual min=-0.000531 max=0.000426 Jy/beam ! Clean residual mean=0.000001 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0119975 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 50 components and 0.0119975 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=0.022865Jy sigma=0.487779 ! Fit after self-cal, rms=0.022998Jy sigma=0.487370 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 = -3.8523e-05 Jy ! Component: 100 - total flux cleaned = -2.78645e-05 Jy ! Component: 150 - total flux cleaned = -3.41026e-05 Jy ! Component: 200 - total flux cleaned = -3.69756e-05 Jy ! Total flux subtracted in 200 components = -3.69756e-05 Jy ! Clean residual min=-0.000543 max=0.000431 Jy/beam ! Clean residual mean=0.000001 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.0119605 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 58 components and 0.0119605 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=0.022997Jy sigma=0.487354 ! Fit after self-cal, rms=0.023003Jy sigma=0.487340 ! 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=0.023003Jy sigma=0.487340 ! Fit after self-cal, rms=0.023930Jy sigma=0.487139 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.802 mas, bmaj=4.464 mas, bpa=28.57 degrees ! Estimated noise=0.210757 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.22717e-05 Jy ! Component: 100 - total flux cleaned = 3.07505e-05 Jy ! Component: 150 - total flux cleaned = 3.08371e-05 Jy ! Component: 200 - total flux cleaned = 2.75372e-05 Jy ! Total flux subtracted in 200 components = 2.75372e-05 Jy ! Clean residual min=-0.000509 max=0.000455 Jy/beam ! Clean residual mean=0.000000 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.0119881 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 60 components and 0.0119881 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=0.023929Jy sigma=0.487102 ! Fit after self-cal, rms=0.024064Jy sigma=0.486941 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 = -4.9628e-05 Jy ! Component: 100 - total flux cleaned = -4.63935e-05 Jy ! Component: 150 - total flux cleaned = -4.94318e-05 Jy ! Component: 200 - total flux cleaned = -5.48549e-05 Jy ! Total flux subtracted in 200 components = -5.48549e-05 Jy ! Clean residual min=-0.000496 max=0.000426 Jy/beam ! Clean residual mean=0.000001 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.0119332 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 0.0119332 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=0.024063Jy sigma=0.486927 ! Fit after self-cal, rms=0.024066Jy sigma=0.486863 ! 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=0.024066Jy sigma=0.486863 ! Fit after self-cal, rms=0.025336Jy sigma=0.486737 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.723 mas, bmaj=4.979 mas, bpa=16.1 degrees ! Estimated noise=0.253661 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.82545e-05 Jy ! Component: 100 - total flux cleaned = -4.01715e-05 Jy ! Component: 150 - total flux cleaned = -4.32606e-05 Jy ! Component: 200 - total flux cleaned = -4.56575e-05 Jy ! Total flux subtracted in 200 components = -4.56575e-05 Jy ! Clean residual min=-0.000563 max=0.000526 Jy/beam ! Clean residual mean=0.000001 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0118876 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 73 components and 0.0118876 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=0.025335Jy sigma=0.486731 ! Fit after self-cal, rms=0.025470Jy sigma=0.486633 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 = -2.38822e-05 Jy ! Component: 100 - total flux cleaned = -2.06248e-05 Jy ! Component: 150 - total flux cleaned = -1.8142e-05 Jy ! Component: 200 - total flux cleaned = -1.71383e-05 Jy ! Total flux subtracted in 200 components = -1.71383e-05 Jy ! Clean residual min=-0.000585 max=0.000530 Jy/beam ! Clean residual mean=0.000001 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.0118704 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 80 components and 0.0118704 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=0.025469Jy sigma=0.486635 ! Fit after self-cal, rms=0.025466Jy sigma=0.486599 ! 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=1.809 mas, bmaj=4.469 mas, bpa=28.42 degrees ! Estimated noise=0.211021 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.809 x 4.469 at 28.42 degrees (North through East) ! Clean map min=-0.00046364 max=0.01247 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=1.336 mas, bmaj=4.417 mas, bpa=28.77 degrees ! Estimated noise=0.456065 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00984334 Jy ! Component: 100 - total flux cleaned = 0.0120413 Jy ! Component: 150 - total flux cleaned = 0.0125488 Jy ! Component: 200 - total flux cleaned = 0.0125277 Jy ! Total flux subtracted in 200 components = 0.0125277 Jy ! Clean residual min=-0.000928 max=0.000865 Jy/beam ! Clean residual mean=-0.000000 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0125277 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0125277 Jy ! Inverting map and beam ! Estimated beam: bmin=1.809 mas, bmaj=4.469 mas, bpa=28.42 degrees ! Estimated noise=0.211021 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) ! Added new window around map position (-5.4, 10.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000227778 Jy ! Component: 100 - total flux cleaned = 0.000125466 Jy ! Component: 150 - total flux cleaned = 0.000114075 Jy ! Component: 200 - total flux cleaned = 0.000113426 Jy ! Total flux subtracted in 200 components = 0.000113426 Jy ! Clean residual min=-0.000439 max=0.000431 Jy/beam ! Clean residual mean=0.000001 rms=0.000104 Jy/beam ! Combined flux in latest and established models = 0.0126412 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 31 components and 0.0126412 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=3.723 mas, bmaj=4.979 mas, bpa=16.1 degrees ! Estimated noise=0.253661 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.56833e-05 Jy ! Component: 100 - total flux cleaned = 2.76762e-05 Jy ! Component: 150 - total flux cleaned = 3.70334e-05 Jy ! Component: 200 - total flux cleaned = 3.70028e-05 Jy ! Total flux subtracted in 200 components = 3.70028e-05 Jy ! Clean residual min=-0.000529 max=0.000393 Jy/beam ! Clean residual mean=0.000001 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.0126782 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 = 1.98822e-07 Jy ! Component: 100 - total flux cleaned = -2.77599e-06 Jy ! Component: 150 - total flux cleaned = -5.47937e-06 Jy ! Component: 200 - total flux cleaned = -7.8821e-06 Jy ! Total flux subtracted in 200 components = -7.8821e-06 Jy ! Clean residual min=-0.000530 max=0.000389 Jy/beam ! Clean residual mean=0.000001 rms=0.000118 Jy/beam ! Combined flux in latest and established models = 0.0126703 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 65 components and 0.0126703 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.809 mas, bmaj=4.469 mas, bpa=28.42 degrees ! Estimated noise=0.211021 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.70751e-05 Jy ! Component: 100 - total flux cleaned = -3.74506e-05 Jy ! Component: 150 - total flux cleaned = -4.27352e-05 Jy ! Component: 200 - total flux cleaned = -4.73735e-05 Jy ! Total flux subtracted in 200 components = -4.73735e-05 Jy ! Clean residual min=-0.000432 max=0.000427 Jy/beam ! Clean residual mean=0.000001 rms=0.000097 Jy/beam ! Combined flux in latest and established models = 0.0126229 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 82 components and 0.0126229 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=0.025454Jy sigma=0.486391 ! Fit after self-cal, rms=0.025462Jy sigma=0.486218 wmodel J0238+2554_C_map.mod ! Writing 82 model components to file: J0238+2554_C_map.mod wobs J0238+2554_C_uvs.fits ! Writing UV FITS file: J0238+2554_C_uvs.fits wwins J0238+2554_C_map.win ! wwins: Wrote 2 windows to J0238+2554_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 = -0.00010032 Jy ! Component: 100 - total flux cleaned = -0.000220027 Jy ! Component: 150 - total flux cleaned = -0.000323513 Jy ! Component: 200 - total flux cleaned = -0.000419913 Jy ! Component: 250 - total flux cleaned = -0.000499092 Jy ! Component: 300 - total flux cleaned = -0.000563006 Jy ! Component: 350 - total flux cleaned = -0.000629643 Jy ! Component: 400 - total flux cleaned = -0.000677889 Jy ! Component: 450 - total flux cleaned = -0.000714498 Jy ! Component: 500 - total flux cleaned = -0.000755068 Jy ! Component: 550 - total flux cleaned = -0.000789623 Jy ! Component: 600 - total flux cleaned = -0.000818463 Jy ! Component: 650 - total flux cleaned = -0.000846463 Jy ! Component: 700 - total flux cleaned = -0.000869327 Jy ! Component: 750 - total flux cleaned = -0.000900581 Jy ! Component: 800 - total flux cleaned = -0.000939925 Jy ! Component: 850 - total flux cleaned = -0.000974073 Jy ! Component: 900 - total flux cleaned = -0.00099914 Jy ! Component: 950 - total flux cleaned = -0.00102787 Jy ! Component: 1000 - total flux cleaned = -0.00105606 Jy ! Component: 1050 - total flux cleaned = -0.00107577 Jy ! Component: 1100 - total flux cleaned = -0.00110291 Jy ! Component: 1150 - total flux cleaned = -0.00112196 Jy ! Component: 1200 - total flux cleaned = -0.00113322 Jy ! Component: 1250 - total flux cleaned = -0.00113692 Jy ! Component: 1300 - total flux cleaned = -0.00113684 Jy ! Component: 1350 - total flux cleaned = -0.00114048 Jy ! Component: 1400 - total flux cleaned = -0.00113695 Jy ! Component: 1450 - total flux cleaned = -0.00114046 Jy ! Component: 1500 - total flux cleaned = -0.00114047 Jy ! Component: 1550 - total flux cleaned = -0.00115073 Jy ! Component: 1600 - total flux cleaned = -0.00116088 Jy ! Component: 1650 - total flux cleaned = -0.00116422 Jy ! Component: 1700 - total flux cleaned = -0.00116757 Jy ! Component: 1750 - total flux cleaned = -0.00118722 Jy ! Component: 1800 - total flux cleaned = -0.00119691 Jy ! Component: 1850 - total flux cleaned = -0.00119691 Jy ! Component: 1900 - total flux cleaned = -0.00120648 Jy ! Component: 1950 - total flux cleaned = -0.00120653 Jy ! Component: 2000 - total flux cleaned = -0.00121893 Jy ! Component: 2050 - total flux cleaned = -0.00122513 Jy ! Component: 2100 - total flux cleaned = -0.00124348 Jy ! Component: 2150 - total flux cleaned = -0.00124653 Jy ! Component: 2200 - total flux cleaned = -0.00125854 Jy ! Component: 2250 - total flux cleaned = -0.00126452 Jy ! Component: 2300 - total flux cleaned = -0.00127338 Jy ! Component: 2350 - total flux cleaned = -0.00127924 Jy ! Component: 2400 - total flux cleaned = -0.00128213 Jy ! Component: 2450 - total flux cleaned = -0.00129366 Jy ! Component: 2500 - total flux cleaned = -0.00129368 Jy ! Component: 2550 - total flux cleaned = -0.00130792 Jy ! Component: 2600 - total flux cleaned = -0.0013051 Jy ! Component: 2650 - total flux cleaned = -0.00130791 Jy ! Component: 2700 - total flux cleaned = -0.00130512 Jy ! Component: 2750 - total flux cleaned = -0.00130512 Jy ! Component: 2800 - total flux cleaned = -0.00131064 Jy ! Component: 2850 - total flux cleaned = -0.0012997 Jy ! Component: 2900 - total flux cleaned = -0.00129973 Jy ! Component: 2950 - total flux cleaned = -0.00130244 Jy ! Component: 3000 - total flux cleaned = -0.00129439 Jy ! Component: 3050 - total flux cleaned = -0.00129176 Jy ! Component: 3100 - total flux cleaned = -0.00129706 Jy ! Component: 3150 - total flux cleaned = -0.00129176 Jy ! Component: 3200 - total flux cleaned = -0.00128913 Jy ! Component: 3250 - total flux cleaned = -0.00128916 Jy ! Component: 3300 - total flux cleaned = -0.00129691 Jy ! Component: 3350 - total flux cleaned = -0.00128918 Jy ! Component: 3400 - total flux cleaned = -0.00128916 Jy ! Component: 3450 - total flux cleaned = -0.0012917 Jy ! Component: 3500 - total flux cleaned = -0.00129422 Jy ! Component: 3550 - total flux cleaned = -0.00128667 Jy ! Component: 3600 - total flux cleaned = -0.00128664 Jy ! Component: 3650 - total flux cleaned = -0.00128415 Jy ! Component: 3700 - total flux cleaned = -0.00128914 Jy ! Component: 3750 - total flux cleaned = -0.00129158 Jy ! Component: 3800 - total flux cleaned = -0.00128912 Jy ! Component: 3850 - total flux cleaned = -0.00129156 Jy ! Component: 3900 - total flux cleaned = -0.00128913 Jy ! Component: 3950 - total flux cleaned = -0.00127948 Jy ! Component: 4000 - total flux cleaned = -0.00127707 Jy ! Component: 4050 - total flux cleaned = -0.00127708 Jy ! Total flux subtracted in 4096 components = -0.00127233 Jy ! Clean residual min=-0.000137 max=0.000134 Jy/beam ! Clean residual mean=0.000000 rms=0.000042 Jy/beam ! Combined flux in latest and established models = 0.0113506 Jy keep ! Adding 251 model components to the UV plane model. ! The established model now contains 333 components and 0.0113506 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0238+2554_C_20180501_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.809 x 4.469 at 28.42 degrees (North through East) ! Clean map min=-0.00028884 max=0.012428 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0238+2554_C_20180501_map.fits wmodel /vlbi/bs262/maps//J0238+2554_C_20180501_map.mod ! Writing 333 model components to file: /vlbi/bs262/maps//J0238+2554_C_20180501_map.mod wobs /vlbi/bs262/maps//J0238+2554_C_20180501_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0238+2554_C_20180501_uvs.fits wwins /vlbi/bs262/maps//J0238+2554_C_20180501_map.win ! wwins: Wrote 3 windows to /vlbi/bs262/maps//J0238+2554_C_20180501_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0124281 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.1697e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.00652 1.00652 2.01304 4.02608 8.05215 16.1043 32.2086 64.4172 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.012 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 298.056 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0238+2554_C_20180501_dfm.log closed on Mon Jun 4 23:14:42 2018