! Started logfile: /vlbi/uf001/uva//J1855+0251_X_b_dfm.log on Mon Jan 14 04:51:18 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1855+0251_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1855+0251_X_b_uva.fits ! AN table 1: 148 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.996997 visibilities/baseline/integration-bin. ! Found source: J1855+0251 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 63744 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J1855+0251_X_b] 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 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006049Jy sigma=21.674282 ! Fit after self-cal, rms=0.918553Jy sigma=19.709866 ! 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=0.8187 mas, bmaj=3.159 mas, bpa=-21.37 degrees ! Estimated noise=0.300843 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 = 0.0572073 Jy ! Component: 100 - total flux cleaned = 0.0812268 Jy ! Total flux subtracted in 100 components = 0.0812268 Jy ! Clean residual min=-0.005455 max=0.011288 Jy/beam ! Clean residual mean=-0.000009 rms=0.001699 Jy/beam ! Combined flux in latest and established models = 0.0812268 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0812268 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.074169Jy sigma=1.479511 ! Fit after self-cal, rms=0.073676Jy sigma=1.468985 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0140649 Jy ! Component: 100 - total flux cleaned = 0.0235552 Jy ! Total flux subtracted in 100 components = 0.0235552 Jy ! Clean residual min=-0.003977 max=0.005302 Jy/beam ! Clean residual mean=-0.000006 rms=0.001159 Jy/beam ! Combined flux in latest and established models = 0.104782 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 35 components and 0.104782 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.069072Jy sigma=1.346741 ! Fit after self-cal, rms=0.069035Jy sigma=1.346085 ! 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=1.05 mas, bmaj=3.264 mas, bpa=-19.45 degrees ! Estimated noise=0.134952 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 = 0.0127583 Jy ! Component: 100 - total flux cleaned = 0.0213125 Jy ! Component: 150 - total flux cleaned = 0.0275488 Jy ! Component: 200 - total flux cleaned = 0.0321542 Jy ! Total flux subtracted in 200 components = 0.0321542 Jy ! Clean residual min=-0.003936 max=0.005052 Jy/beam ! Clean residual mean=-0.000007 rms=0.001182 Jy/beam ! Combined flux in latest and established models = 0.136936 Jy ! Performing phase self-cal ! Adding 70 model components to the UV plane model. ! The established model now contains 96 components and 0.136936 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.066498Jy sigma=1.268721 ! Fit after self-cal, rms=0.066463Jy sigma=1.267832 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.05 x 3.264 at -19.45 degrees (North through East) ! Clean map min=-0.0038386 max=0.080833 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 1.08 KP 1.02 ! LA 0.86 MK 1.20 NL 1.17 OV 0.94 ! PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.97 HN 1.06 KP 0.99 ! LA 0.89 MK 1.26 NL 1.15 OV 0.92 ! PT 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 HN 1.09 KP 0.99 ! LA 0.91 MK 1.11 NL 1.15 OV 0.96 ! PT 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.99 HN 1.08 KP 1.02 ! LA 0.90 MK 1.12 NL 1.15 OV 0.95 ! PT 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 1.07 KP 1.02 ! LA 0.91 MK 1.12 NL 1.13 OV 0.93 ! PT 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.96 HN 1.05 KP 1.01 ! LA 0.86 MK 1.10 NL 1.13 OV 0.95 ! PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.93 HN 1.07 KP 1.02 ! LA 0.88 MK 1.03 NL 1.13 OV 0.94 ! PT 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 1.03 KP 1.04 ! LA 0.89 MK 1.04 NL 1.11 OV 0.94 ! PT 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 1.03 KP 1.02 ! LA 0.87 MK 0.98 NL 1.11 OV 0.93 ! PT 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 1.03 KP 1.02 ! LA 0.88 MK 0.95 NL 1.12 OV 0.92 ! PT 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.93 HN 1.01 KP 1.01 ! LA 0.89 MK 0.90 NL 1.10 OV 0.94 ! PT 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 0.99 KP 0.98 ! LA 0.90 MK 0.77 NL 1.10 OV 0.94 ! PT 0.92 ! ! ! Fit before self-cal, rms=0.066463Jy sigma=1.267832 ! Fit after self-cal, rms=0.063993Jy sigma=1.244349 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.075 mas, bmaj=3.31 mas, bpa=-19.29 degrees ! Estimated noise=0.133607 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 = -0.00128777 Jy ! Component: 100 - total flux cleaned = -0.0017129 Jy ! Component: 150 - total flux cleaned = -0.00192139 Jy ! Component: 200 - total flux cleaned = -0.00208205 Jy ! Total flux subtracted in 200 components = -0.00208205 Jy ! Clean residual min=-0.003313 max=0.003333 Jy/beam ! Clean residual mean=-0.000005 rms=0.000831 Jy/beam ! Combined flux in latest and established models = 0.134854 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 117 components and 0.134854 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063909Jy sigma=1.243547 ! Fit after self-cal, rms=0.063941Jy sigma=1.243084 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063941Jy sigma=1.243084 ! Fit after self-cal, rms=0.067945Jy sigma=1.223820 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=3.315 mas, bpa=-19.27 degrees ! Estimated noise=0.133397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000722225 Jy ! Component: 100 - total flux cleaned = 0.000879377 Jy ! Component: 150 - total flux cleaned = 0.00105781 Jy ! Component: 200 - total flux cleaned = 0.00116275 Jy ! Total flux subtracted in 200 components = 0.00116275 Jy ! Clean residual min=-0.000863 max=0.001131 Jy/beam ! Clean residual mean=-0.000000 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.136017 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 130 components and 0.136017 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.067928Jy sigma=1.223401 ! Fit after self-cal, rms=0.068104Jy sigma=1.222982 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 (0.2, -8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000957154 Jy ! Component: 100 - total flux cleaned = 0.000961467 Jy ! Component: 150 - total flux cleaned = 0.000940934 Jy ! Component: 200 - total flux cleaned = 0.000940251 Jy ! Total flux subtracted in 200 components = 0.000940251 Jy ! Clean residual min=-0.000824 max=0.000904 Jy/beam ! Clean residual mean=-0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.136957 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 152 components and 0.136957 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068083Jy sigma=1.222508 ! Fit after self-cal, rms=0.068086Jy sigma=1.222482 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068086Jy sigma=1.222482 ! Fit after self-cal, rms=0.068164Jy sigma=1.222367 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.072 mas, bmaj=3.303 mas, bpa=-19.24 degrees ! Estimated noise=0.133047 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000382312 Jy ! Component: 100 - total flux cleaned = 0.0006007 Jy ! Component: 150 - total flux cleaned = 0.000712254 Jy ! Component: 200 - total flux cleaned = 0.00072712 Jy ! Total flux subtracted in 200 components = 0.00072712 Jy ! Clean residual min=-0.000735 max=0.000840 Jy/beam ! Clean residual mean=0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.137684 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 175 components and 0.137684 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068155Jy sigma=1.222166 ! Fit after self-cal, rms=0.068165Jy sigma=1.222151 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 = 0.000149502 Jy ! Component: 100 - total flux cleaned = 0.000149352 Jy ! Component: 150 - total flux cleaned = 0.0001123 Jy ! Component: 200 - total flux cleaned = 0.000100846 Jy ! Total flux subtracted in 200 components = 0.000100846 Jy ! Clean residual min=-0.000732 max=0.000816 Jy/beam ! Clean residual mean=0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.137785 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 184 components and 0.137785 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068161Jy sigma=1.222047 ! Fit after self-cal, rms=0.068161Jy sigma=1.222039 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068161Jy sigma=1.222039 ! Fit after self-cal, rms=0.068117Jy sigma=1.221993 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.32 mas, bmaj=3.537 mas, bpa=-9.783 degrees ! Estimated noise=0.155663 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000397023 Jy ! Component: 100 - total flux cleaned = 0.000388315 Jy ! Component: 150 - total flux cleaned = 0.00039747 Jy ! Component: 200 - total flux cleaned = 0.000405638 Jy ! Total flux subtracted in 200 components = 0.000405638 Jy ! Clean residual min=-0.000763 max=0.000882 Jy/beam ! Clean residual mean=0.000000 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.138191 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 189 components and 0.138191 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068114Jy sigma=1.221915 ! Fit after self-cal, rms=0.068114Jy sigma=1.221909 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.04739e-05 Jy ! Component: 100 - total flux cleaned = 3.09619e-05 Jy ! Component: 150 - total flux cleaned = 8.5566e-06 Jy ! Component: 200 - total flux cleaned = -1.17893e-05 Jy ! Total flux subtracted in 200 components = -1.17893e-05 Jy ! Clean residual min=-0.000752 max=0.000838 Jy/beam ! Clean residual mean=0.000000 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.138179 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 195 components and 0.138179 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068113Jy sigma=1.221890 ! Fit after self-cal, rms=0.068113Jy sigma=1.221890 ! 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=1.072 mas, bmaj=3.296 mas, bpa=-19.22 degrees ! Estimated noise=0.132917 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.072 x 3.296 at -19.22 degrees (North through East) ! Clean map min=-0.00083639 max=0.079555 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=0.8325 mas, bmaj=3.143 mas, bpa=-21.29 degrees ! Estimated noise=0.301105 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0571612 Jy ! Component: 100 - total flux cleaned = 0.0814408 Jy ! Component: 150 - total flux cleaned = 0.095005 Jy ! Component: 200 - total flux cleaned = 0.104334 Jy ! Total flux subtracted in 200 components = 0.104334 Jy ! Clean residual min=-0.003107 max=0.005198 Jy/beam ! Clean residual mean=-0.000004 rms=0.000858 Jy/beam ! Combined flux in latest and established models = 0.104334 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 28 model components to the UV plane model. ! The established model now contains 28 components and 0.104334 Jy ! Inverting map and beam ! Estimated beam: bmin=1.072 mas, bmaj=3.296 mas, bpa=-19.22 degrees ! Estimated noise=0.132917 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 = 0.0106773 Jy ! Component: 100 - total flux cleaned = 0.0173459 Jy ! Component: 150 - total flux cleaned = 0.0217449 Jy ! Component: 200 - total flux cleaned = 0.0247706 Jy ! Total flux subtracted in 200 components = 0.0247706 Jy ! Clean residual min=-0.001283 max=0.001725 Jy/beam ! Clean residual mean=-0.000002 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.129105 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 89 components and 0.129105 Jy ! Inverting map ! Added new window around map position (1.6, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00217541 Jy ! Component: 100 - total flux cleaned = 0.00379197 Jy ! Component: 150 - total flux cleaned = 0.00503658 Jy ! Component: 200 - total flux cleaned = 0.00600384 Jy ! Total flux subtracted in 200 components = 0.00600384 Jy ! Clean residual min=-0.000926 max=0.000978 Jy/beam ! Clean residual mean=-0.000001 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.135108 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 133 components and 0.135108 Jy ! Inverting map ! Added new window around map position (26.6, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000721919 Jy ! Component: 100 - total flux cleaned = 0.0011549 Jy ! Component: 150 - total flux cleaned = 0.00154486 Jy ! Component: 200 - total flux cleaned = 0.00184726 Jy ! Total flux subtracted in 200 components = 0.00184726 Jy ! Clean residual min=-0.000782 max=0.000788 Jy/beam ! Clean residual mean=-0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.136956 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 152 components and 0.136956 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=2.32 mas, bmaj=3.537 mas, bpa=-9.783 degrees ! Estimated noise=0.155663 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00058055 Jy ! Component: 100 - total flux cleaned = 0.000987161 Jy ! Component: 150 - total flux cleaned = 0.00128915 Jy ! Component: 200 - total flux cleaned = 0.00156585 Jy ! Total flux subtracted in 200 components = 0.00156585 Jy ! Clean residual min=-0.000802 max=0.000878 Jy/beam ! Clean residual mean=0.000000 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.138521 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 = 0.000158004 Jy ! Component: 100 - total flux cleaned = 0.000197585 Jy ! Component: 150 - total flux cleaned = 0.000222194 Jy ! Component: 200 - total flux cleaned = 0.000245536 Jy ! Total flux subtracted in 200 components = 0.000245536 Jy ! Clean residual min=-0.000753 max=0.000839 Jy/beam ! Clean residual mean=0.000000 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.138767 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 210 components and 0.138767 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.072 mas, bmaj=3.296 mas, bpa=-19.22 degrees ! Estimated noise=0.132917 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.01536e-05 Jy ! Component: 100 - total flux cleaned = 4.9105e-06 Jy ! Component: 150 - total flux cleaned = 6.39386e-05 Jy ! Component: 200 - total flux cleaned = 0.000117567 Jy ! Total flux subtracted in 200 components = 0.000117567 Jy ! Clean residual min=-0.000676 max=0.000733 Jy/beam ! Clean residual mean=0.000000 rms=0.000171 Jy/beam ! Combined flux in latest and established models = 0.138885 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 236 components and 0.138885 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.068105Jy sigma=1.221777 ! Fit after self-cal, rms=0.068099Jy sigma=1.221705 wmodel J1855+0251_X_b_map.mod ! Writing 236 model components to file: J1855+0251_X_b_map.mod wobs J1855+0251_X_b_uvs.fits ! Writing UV FITS file: J1855+0251_X_b_uvs.fits wwins J1855+0251_X_b_map.win ! wwins: Wrote 4 windows to J1855+0251_X_b_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 = 0.000184916 Jy ! Component: 100 - total flux cleaned = 0.000341507 Jy ! Component: 150 - total flux cleaned = 0.000477272 Jy ! Component: 200 - total flux cleaned = 0.000595918 Jy ! Component: 250 - total flux cleaned = 0.000699743 Jy ! Component: 300 - total flux cleaned = 0.000789881 Jy ! Component: 350 - total flux cleaned = 0.000857701 Jy ! Component: 400 - total flux cleaned = 0.000961367 Jy ! Component: 450 - total flux cleaned = 0.00104382 Jy ! Component: 500 - total flux cleaned = 0.00108874 Jy ! Component: 550 - total flux cleaned = 0.00115006 Jy ! Component: 600 - total flux cleaned = 0.00120142 Jy ! Component: 650 - total flux cleaned = 0.00122648 Jy ! Component: 700 - total flux cleaned = 0.00123494 Jy ! Component: 750 - total flux cleaned = 0.00125941 Jy ! Component: 800 - total flux cleaned = 0.00125937 Jy ! Component: 850 - total flux cleaned = 0.00124366 Jy ! Component: 900 - total flux cleaned = 0.00125152 Jy ! Component: 950 - total flux cleaned = 0.00127446 Jy ! Component: 1000 - total flux cleaned = 0.00125929 Jy ! Component: 1050 - total flux cleaned = 0.00128147 Jy ! Component: 1100 - total flux cleaned = 0.00126678 Jy ! Component: 1150 - total flux cleaned = 0.00126681 Jy ! Component: 1200 - total flux cleaned = 0.00128821 Jy ! Component: 1250 - total flux cleaned = 0.00126695 Jy ! Component: 1300 - total flux cleaned = 0.00124605 Jy ! Component: 1350 - total flux cleaned = 0.00126678 Jy ! Component: 1400 - total flux cleaned = 0.0012394 Jy ! Component: 1450 - total flux cleaned = 0.00124624 Jy ! Component: 1500 - total flux cleaned = 0.00124624 Jy ! Component: 1550 - total flux cleaned = 0.00123963 Jy ! Component: 1600 - total flux cleaned = 0.00122004 Jy ! Component: 1650 - total flux cleaned = 0.00122013 Jy ! Component: 1700 - total flux cleaned = 0.00123302 Jy ! Component: 1750 - total flux cleaned = 0.00122028 Jy ! Component: 1800 - total flux cleaned = 0.00122032 Jy ! Component: 1850 - total flux cleaned = 0.00121403 Jy ! Component: 1900 - total flux cleaned = 0.00121403 Jy ! Component: 1950 - total flux cleaned = 0.00122634 Jy ! Component: 2000 - total flux cleaned = 0.00124469 Jy ! Component: 2050 - total flux cleaned = 0.0012447 Jy ! Component: 2100 - total flux cleaned = 0.00124465 Jy ! Component: 2150 - total flux cleaned = 0.00126849 Jy ! Component: 2200 - total flux cleaned = 0.00129216 Jy ! Component: 2250 - total flux cleaned = 0.00129798 Jy ! Component: 2300 - total flux cleaned = 0.00132137 Jy ! Component: 2350 - total flux cleaned = 0.0013388 Jy ! Component: 2400 - total flux cleaned = 0.00136752 Jy ! Component: 2450 - total flux cleaned = 0.00140176 Jy ! Component: 2500 - total flux cleaned = 0.00140176 Jy ! Component: 2550 - total flux cleaned = 0.00142999 Jy ! Component: 2600 - total flux cleaned = 0.00146343 Jy ! Component: 2650 - total flux cleaned = 0.00146893 Jy ! Component: 2700 - total flux cleaned = 0.00146898 Jy ! Component: 2750 - total flux cleaned = 0.00149633 Jy ! Component: 2800 - total flux cleaned = 0.00150725 Jy ! Component: 2850 - total flux cleaned = 0.00154509 Jy ! Component: 2900 - total flux cleaned = 0.00153972 Jy ! Component: 2950 - total flux cleaned = 0.00156104 Jy ! Component: 3000 - total flux cleaned = 0.00158224 Jy ! Component: 3050 - total flux cleaned = 0.0016085 Jy ! Component: 3100 - total flux cleaned = 0.00160852 Jy ! Component: 3150 - total flux cleaned = 0.00163977 Jy ! Component: 3200 - total flux cleaned = 0.00166562 Jy ! Component: 3250 - total flux cleaned = 0.00168093 Jy ! Component: 3300 - total flux cleaned = 0.00171149 Jy ! Component: 3350 - total flux cleaned = 0.00172159 Jy ! Component: 3400 - total flux cleaned = 0.00173667 Jy ! Component: 3450 - total flux cleaned = 0.00175163 Jy ! Component: 3500 - total flux cleaned = 0.00177646 Jy ! Component: 3550 - total flux cleaned = 0.00179616 Jy ! Component: 3600 - total flux cleaned = 0.00183057 Jy ! Component: 3650 - total flux cleaned = 0.00183054 Jy ! Component: 3700 - total flux cleaned = 0.00186453 Jy ! Component: 3750 - total flux cleaned = 0.00186446 Jy ! Component: 3800 - total flux cleaned = 0.00187884 Jy ! Component: 3850 - total flux cleaned = 0.00191221 Jy ! Component: 3900 - total flux cleaned = 0.0019264 Jy ! Component: 3950 - total flux cleaned = 0.00194521 Jy ! Component: 4000 - total flux cleaned = 0.00194521 Jy ! Component: 4050 - total flux cleaned = 0.00197781 Jy ! Total flux subtracted in 4096 components = 0.00198244 Jy ! Clean residual min=-0.000303 max=0.000286 Jy/beam ! Clean residual mean=0.000000 rms=0.000083 Jy/beam ! Combined flux in latest and established models = 0.140867 Jy keep ! Adding 248 model components to the UV plane model. ! The established model now contains 484 components and 0.140867 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1855+0251_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.072 x 3.296 at -19.22 degrees (North through East) ! Clean map min=-0.00062781 max=0.079597 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1855+0251_X_b_map.fits wmodel /vlbi/uf001/uva//J1855+0251_X_b_map.mod ! Writing 484 model components to file: /vlbi/uf001/uva//J1855+0251_X_b_map.mod wobs /vlbi/uf001/uva//J1855+0251_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1855+0251_X_b_uvs.fits wwins /vlbi/uf001/uva//J1855+0251_X_b_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1855+0251_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0795965 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.25488e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.311127 0.311127 0.622254 1.24451 2.48902 4.97803 9.95607 19.9121 39.8243 79.6486 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.079 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 964.235 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1855+0251_X_b_dfm.log closed on Mon Jan 14 04:51:26 2019