! Started logfile: /vlbi/bs262/maps//J0655+4100_X_20180503_dfm.log on Mon Jun 4 23:19:56 2018 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/bs262/maps//J0655+4100_X_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0655+4100_X_20180503_uva.fits ! AN table 1: 22 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.981818 visibilities/baseline/integration-bin. ! Found source: J0655+4100 ! ! 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 94 lines of history. ! ! Reading 7776 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 J0655+4100_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. ! 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=1.017718Jy sigma=25.339251 ! Fit after self-cal, rms=0.794722Jy sigma=19.658996 ! 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=0.716 mas, bmaj=2.544 mas, bpa=-21.49 degrees ! Estimated noise=0.521686 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 = 0.157445 Jy ! Component: 100 - total flux cleaned = 0.197054 Jy ! Total flux subtracted in 100 components = 0.197054 Jy ! Clean residual min=-0.010545 max=0.016820 Jy/beam ! Clean residual mean=-0.000007 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 0.197054 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.197054 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=0.048093Jy sigma=1.148706 ! Fit after self-cal, rms=0.048021Jy sigma=1.147000 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0183121 Jy ! Component: 100 - total flux cleaned = 0.0285345 Jy ! Total flux subtracted in 100 components = 0.0285345 Jy ! Clean residual min=-0.006392 max=0.007044 Jy/beam ! Clean residual mean=-0.000004 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 0.225589 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.225589 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=0.037905Jy sigma=0.871852 ! Fit after self-cal, rms=0.037838Jy sigma=0.870444 ! Inverting map ! Added new window around map position (-2, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00750185 Jy ! Component: 100 - total flux cleaned = 0.0130027 Jy ! Total flux subtracted in 100 components = 0.0130027 Jy ! Clean residual min=-0.004989 max=0.005397 Jy/beam ! Clean residual mean=-0.000003 rms=0.000922 Jy/beam ! Combined flux in latest and established models = 0.238591 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.238591 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=0.035409Jy sigma=0.800882 ! Fit after self-cal, rms=0.035381Jy sigma=0.800116 ! 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=0.9428 mas, bmaj=2.617 mas, bpa=-21.92 degrees ! Estimated noise=0.331878 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 = 0.00698238 Jy ! Component: 100 - total flux cleaned = 0.0117767 Jy ! Component: 150 - total flux cleaned = 0.0153708 Jy ! Component: 200 - total flux cleaned = 0.0181133 Jy ! Total flux subtracted in 200 components = 0.0181133 Jy ! Clean residual min=-0.004627 max=0.004855 Jy/beam ! Clean residual mean=-0.000005 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 0.256705 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 40 components and 0.256705 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=0.033668Jy sigma=0.749656 ! Fit after self-cal, rms=0.033655Jy sigma=0.749200 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9428 x 2.617 at -21.92 degrees (North through East) ! Clean map min=-0.0043223 max=0.20699 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.97 KP 0.95 ! LA 0.98 MK 0.98 NL 1.03 OV 1.02 ! PT 0.97 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.02 HN 0.95 KP 0.95 ! LA 1.00 MK 1.02 NL 1.02 OV 1.06 ! PT 0.95 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 0.96 KP 0.96 ! LA 0.97 MK 0.99 NL 1.06 OV 1.02 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.03 HN 0.98 KP 0.97 ! LA 0.98 MK 1.02 NL 1.02 OV 1.04 ! PT 0.96 SC 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.05 HN 0.98 KP 0.97 ! LA 1.00 MK 1.02 NL 1.03 OV 1.05 ! PT 0.97 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.98 KP 0.96 ! LA 1.00 MK 0.99 NL 1.06 OV 1.03 ! PT 0.97 SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 1.00 KP 0.95 ! LA 1.00 MK 1.02 NL 1.04 OV 1.07 ! PT 0.97 SC 1.07 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 0.98 KP 0.95 ! LA 1.00 MK 1.03 NL 1.05 OV 1.05 ! PT 0.98 SC 1.06 ! ! ! Fit before self-cal, rms=0.033655Jy sigma=0.749200 ! Fit after self-cal, rms=0.031637Jy sigma=0.696921 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9498 mas, bmaj=2.598 mas, bpa=-22.04 degrees ! Estimated noise=0.329232 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 (3, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00305993 Jy ! Component: 100 - total flux cleaned = 0.0040538 Jy ! Component: 150 - total flux cleaned = 0.00412059 Jy ! Component: 200 - total flux cleaned = 0.0040706 Jy ! Total flux subtracted in 200 components = 0.0040706 Jy ! Clean residual min=-0.001411 max=0.001676 Jy/beam ! Clean residual mean=0.000002 rms=0.000337 Jy/beam ! Combined flux in latest and established models = 0.260775 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 63 components and 0.260775 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=0.031234Jy sigma=0.686543 ! Fit after self-cal, rms=0.031234Jy sigma=0.686324 ! 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=0.031234Jy sigma=0.686324 ! Fit after self-cal, rms=0.031201Jy sigma=0.685797 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9499 mas, bmaj=2.593 mas, bpa=-22.04 degrees ! Estimated noise=0.329211 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000693175 Jy ! Component: 100 - total flux cleaned = 0.00064614 Jy ! Component: 150 - total flux cleaned = 0.000647124 Jy ! Component: 200 - total flux cleaned = 0.00058156 Jy ! Total flux subtracted in 200 components = 0.00058156 Jy ! Clean residual min=-0.001127 max=0.001268 Jy/beam ! Clean residual mean=0.000001 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.261357 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 75 components and 0.261357 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=0.031089Jy sigma=0.682920 ! Fit after self-cal, rms=0.031086Jy sigma=0.682842 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) ! Added new window around map position (-3, -46.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000508525 Jy ! Component: 100 - total flux cleaned = 0.000419098 Jy ! Component: 150 - total flux cleaned = 0.000314187 Jy ! Component: 200 - total flux cleaned = 0.000266824 Jy ! Total flux subtracted in 200 components = 0.000266824 Jy ! Clean residual min=-0.001171 max=0.001086 Jy/beam ! Clean residual mean=0.000001 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.261623 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 93 components and 0.261623 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=0.031025Jy sigma=0.681356 ! Fit after self-cal, rms=0.031021Jy sigma=0.681296 ! 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=0.031021Jy sigma=0.681296 ! Fit after self-cal, rms=0.031010Jy sigma=0.681059 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9502 mas, bmaj=2.591 mas, bpa=-22.04 degrees ! Estimated noise=0.329107 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.53245e-05 Jy ! Component: 100 - total flux cleaned = -6.05941e-06 Jy ! Component: 150 - total flux cleaned = -0.000113646 Jy ! Component: 200 - total flux cleaned = -0.00023003 Jy ! Total flux subtracted in 200 components = -0.00023003 Jy ! Clean residual min=-0.001077 max=0.000993 Jy/beam ! Clean residual mean=0.000001 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.261393 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 105 components and 0.261393 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=0.030977Jy sigma=0.680230 ! Fit after self-cal, rms=0.030976Jy sigma=0.680208 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 = 2.92848e-06 Jy ! Component: 100 - total flux cleaned = -8.61827e-05 Jy ! Component: 150 - total flux cleaned = -0.000169725 Jy ! Component: 200 - total flux cleaned = -0.000232897 Jy ! Total flux subtracted in 200 components = -0.000232897 Jy ! Clean residual min=-0.001089 max=0.000947 Jy/beam ! Clean residual mean=0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.26116 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 112 components and 0.26116 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=0.030959Jy sigma=0.679746 ! Fit after self-cal, rms=0.030958Jy sigma=0.679730 ! 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=0.030958Jy sigma=0.679730 ! Fit after self-cal, rms=0.030957Jy sigma=0.679655 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.096 mas, bmaj=2.867 mas, bpa=-20.85 degrees ! Estimated noise=0.397938 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000261759 Jy ! Component: 100 - total flux cleaned = -0.000277131 Jy ! Component: 150 - total flux cleaned = -0.000289263 Jy ! Component: 200 - total flux cleaned = -0.000324382 Jy ! Total flux subtracted in 200 components = -0.000324382 Jy ! Clean residual min=-0.001175 max=0.000941 Jy/beam ! Clean residual mean=0.000002 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.260836 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 134 components and 0.260836 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=0.030950Jy sigma=0.679431 ! Fit after self-cal, rms=0.030949Jy sigma=0.679413 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 = -2.18236e-05 Jy ! Component: 100 - total flux cleaned = -3.22208e-05 Jy ! Component: 150 - total flux cleaned = -6.1919e-05 Jy ! Component: 200 - total flux cleaned = -8.10132e-05 Jy ! Total flux subtracted in 200 components = -8.10132e-05 Jy ! Clean residual min=-0.001145 max=0.000911 Jy/beam ! Clean residual mean=0.000002 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.260755 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 148 components and 0.260755 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=0.030943Jy sigma=0.679267 ! Fit after self-cal, rms=0.030943Jy sigma=0.679259 ! 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=0.9504 mas, bmaj=2.589 mas, bpa=-22.04 degrees ! Estimated noise=0.329046 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9504 x 2.589 at -22.04 degrees (North through East) ! Clean map min=-0.00096212 max=0.20635 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=0.7226 mas, bmaj=2.514 mas, bpa=-21.63 degrees ! Estimated noise=0.520085 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.156926 Jy ! Component: 100 - total flux cleaned = 0.198254 Jy ! Component: 150 - total flux cleaned = 0.217482 Jy ! Component: 200 - total flux cleaned = 0.22764 Jy ! Total flux subtracted in 200 components = 0.22764 Jy ! Clean residual min=-0.003858 max=0.005451 Jy/beam ! Clean residual mean=-0.000003 rms=0.000830 Jy/beam ! Combined flux in latest and established models = 0.22764 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.22764 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9504 mas, bmaj=2.589 mas, bpa=-22.04 degrees ! Estimated noise=0.329046 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 = 0.0100645 Jy ! Component: 100 - total flux cleaned = 0.016234 Jy ! Component: 150 - total flux cleaned = 0.0204943 Jy ! Component: 200 - total flux cleaned = 0.0235503 Jy ! Total flux subtracted in 200 components = 0.0235503 Jy ! Clean residual min=-0.001632 max=0.002069 Jy/beam ! Clean residual mean=-0.000004 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.251191 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 39 components and 0.251191 Jy ! Inverting map ! Added new window around map position (-11.4, 9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0021886 Jy ! Component: 100 - total flux cleaned = 0.00367561 Jy ! Component: 150 - total flux cleaned = 0.00485762 Jy ! Component: 200 - total flux cleaned = 0.00564983 Jy ! Total flux subtracted in 200 components = 0.00564983 Jy ! Clean residual min=-0.001318 max=0.001188 Jy/beam ! Clean residual mean=-0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.25684 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 64 components and 0.25684 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=2.096 mas, bmaj=2.867 mas, bpa=-20.85 degrees ! Estimated noise=0.397938 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123003 Jy ! Component: 100 - total flux cleaned = 0.0016031 Jy ! Component: 150 - total flux cleaned = 0.00193016 Jy ! Component: 200 - total flux cleaned = 0.00222079 Jy ! Total flux subtracted in 200 components = 0.00222079 Jy ! Clean residual min=-0.001127 max=0.000913 Jy/beam ! Clean residual mean=0.000000 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.259061 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000176039 Jy ! Component: 100 - total flux cleaned = 0.000329063 Jy ! Component: 150 - total flux cleaned = 0.00034558 Jy ! Component: 200 - total flux cleaned = 0.000359806 Jy ! Total flux subtracted in 200 components = 0.000359806 Jy ! Clean residual min=-0.001019 max=0.000880 Jy/beam ! Clean residual mean=0.000001 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.259421 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 115 components and 0.259421 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9504 mas, bmaj=2.589 mas, bpa=-22.04 degrees ! Estimated noise=0.329046 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.21322e-05 Jy ! Component: 100 - total flux cleaned = 1.27118e-05 Jy ! Component: 150 - total flux cleaned = 6.85715e-05 Jy ! Component: 200 - total flux cleaned = 6.685e-05 Jy ! Total flux subtracted in 200 components = 6.685e-05 Jy ! Clean residual min=-0.000948 max=0.000955 Jy/beam ! Clean residual mean=0.000000 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.259488 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 138 components and 0.259488 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=0.030970Jy sigma=0.679921 ! Fit after self-cal, rms=0.030965Jy sigma=0.679759 wmodel J0655+4100_X_map.mod ! Writing 138 model components to file: J0655+4100_X_map.mod wobs J0655+4100_X_uvs.fits ! Writing UV FITS file: J0655+4100_X_uvs.fits wwins J0655+4100_X_map.win ! wwins: Wrote 5 windows to J0655+4100_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 = 4.88192e-05 Jy ! Component: 100 - total flux cleaned = 0.000181571 Jy ! Component: 150 - total flux cleaned = 0.000308448 Jy ! Component: 200 - total flux cleaned = 0.000415301 Jy ! Component: 250 - total flux cleaned = 0.000548441 Jy ! Component: 300 - total flux cleaned = 0.00062038 Jy ! Component: 350 - total flux cleaned = 0.000704264 Jy ! Component: 400 - total flux cleaned = 0.000731624 Jy ! Component: 450 - total flux cleaned = 0.00071855 Jy ! Component: 500 - total flux cleaned = 0.000771321 Jy ! Component: 550 - total flux cleaned = 0.000796933 Jy ! Component: 600 - total flux cleaned = 0.000847516 Jy ! Component: 650 - total flux cleaned = 0.000872297 Jy ! Component: 700 - total flux cleaned = 0.000933726 Jy ! Component: 750 - total flux cleaned = 0.000981998 Jy ! Component: 800 - total flux cleaned = 0.000969972 Jy ! Component: 850 - total flux cleaned = 0.00100532 Jy ! Component: 900 - total flux cleaned = 0.000970415 Jy ! Component: 950 - total flux cleaned = 0.000993221 Jy ! Component: 1000 - total flux cleaned = 0.000993114 Jy ! Component: 1050 - total flux cleaned = 0.000982028 Jy ! Component: 1100 - total flux cleaned = 0.000981961 Jy ! Component: 1150 - total flux cleaned = 0.00100394 Jy ! Component: 1200 - total flux cleaned = 0.00104699 Jy ! Component: 1250 - total flux cleaned = 0.00104687 Jy ! Component: 1300 - total flux cleaned = 0.00107836 Jy ! Component: 1350 - total flux cleaned = 0.00105752 Jy ! Component: 1400 - total flux cleaned = 0.0010473 Jy ! Component: 1450 - total flux cleaned = 0.00107793 Jy ! Component: 1500 - total flux cleaned = 0.00109781 Jy ! Component: 1550 - total flux cleaned = 0.00108785 Jy ! Component: 1600 - total flux cleaned = 0.00112738 Jy ! Component: 1650 - total flux cleaned = 0.0011176 Jy ! Component: 1700 - total flux cleaned = 0.00113698 Jy ! Component: 1750 - total flux cleaned = 0.00112747 Jy ! Component: 1800 - total flux cleaned = 0.00114649 Jy ! Component: 1850 - total flux cleaned = 0.00110883 Jy ! Component: 1900 - total flux cleaned = 0.00110881 Jy ! Component: 1950 - total flux cleaned = 0.00113661 Jy ! Component: 2000 - total flux cleaned = 0.0011089 Jy ! Component: 2050 - total flux cleaned = 0.00111801 Jy ! Component: 2100 - total flux cleaned = 0.00109088 Jy ! Component: 2150 - total flux cleaned = 0.00109096 Jy ! Component: 2200 - total flux cleaned = 0.00111779 Jy ! Component: 2250 - total flux cleaned = 0.00110888 Jy ! Component: 2300 - total flux cleaned = 0.00108252 Jy ! Component: 2350 - total flux cleaned = 0.00107376 Jy ! Component: 2400 - total flux cleaned = 0.00108233 Jy ! Component: 2450 - total flux cleaned = 0.00104788 Jy ! Component: 2500 - total flux cleaned = 0.00107335 Jy ! Component: 2550 - total flux cleaned = 0.00106492 Jy ! Component: 2600 - total flux cleaned = 0.00105647 Jy ! Component: 2650 - total flux cleaned = 0.00105652 Jy ! Component: 2700 - total flux cleaned = 0.00104832 Jy ! Component: 2750 - total flux cleaned = 0.00103195 Jy ! Component: 2800 - total flux cleaned = 0.0010401 Jy ! Component: 2850 - total flux cleaned = 0.00104015 Jy ! Component: 2900 - total flux cleaned = 0.00103212 Jy ! Component: 2950 - total flux cleaned = 0.00108001 Jy ! Component: 3000 - total flux cleaned = 0.00104828 Jy ! Component: 3050 - total flux cleaned = 0.00105623 Jy ! Component: 3100 - total flux cleaned = 0.0010798 Jy ! Component: 3150 - total flux cleaned = 0.00111097 Jy ! Component: 3200 - total flux cleaned = 0.00111862 Jy ! Component: 3250 - total flux cleaned = 0.00113407 Jy ! Component: 3300 - total flux cleaned = 0.00115705 Jy ! Component: 3350 - total flux cleaned = 0.00114935 Jy ! Component: 3400 - total flux cleaned = 0.00115686 Jy ! Component: 3450 - total flux cleaned = 0.00119446 Jy ! Component: 3500 - total flux cleaned = 0.00117203 Jy ! Component: 3550 - total flux cleaned = 0.00117953 Jy ! Component: 3600 - total flux cleaned = 0.00120167 Jy ! Component: 3650 - total flux cleaned = 0.00123114 Jy ! Component: 3700 - total flux cleaned = 0.0012311 Jy ! Component: 3750 - total flux cleaned = 0.00125291 Jy ! Component: 3800 - total flux cleaned = 0.00126017 Jy ! Component: 3850 - total flux cleaned = 0.00127449 Jy ! Component: 3900 - total flux cleaned = 0.00126016 Jy ! Component: 3950 - total flux cleaned = 0.00127446 Jy ! Component: 4000 - total flux cleaned = 0.00127447 Jy ! Component: 4050 - total flux cleaned = 0.00132397 Jy ! Total flux subtracted in 4096 components = 0.0013099 Jy ! Clean residual min=-0.000473 max=0.000436 Jy/beam ! Clean residual mean=0.000000 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.260798 Jy keep ! Adding 319 model components to the UV plane model. ! The established model now contains 457 components and 0.260798 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0655+4100_X_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9504 x 2.589 at -22.04 degrees (North through East) ! Clean map min=-0.00097126 max=0.20596 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0655+4100_X_20180503_map.fits wmodel /vlbi/bs262/maps//J0655+4100_X_20180503_map.mod ! Writing 457 model components to file: /vlbi/bs262/maps//J0655+4100_X_20180503_map.mod wobs /vlbi/bs262/maps//J0655+4100_X_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0655+4100_X_20180503_uvs.fits wwins /vlbi/bs262/maps//J0655+4100_X_20180503_map.win ! wwins: Wrote 6 windows to /vlbi/bs262/maps//J0655+4100_X_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.205961 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00012473 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.18168 0.18168 0.363359 0.726719 1.45344 2.90688 5.81375 11.6275 23.255 46.51 93.02 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.205 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1651.26 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0655+4100_X_20180503_dfm.log closed on Mon Jun 4 23:20:01 2018