! Started logfile: /vlbi/uf001/uva//J1756+5748_X_dfm.log on Mon Jan 14 04:26:43 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//J1756+5748_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1756+5748_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.860792 visibilities/baseline/integration-bin. ! Found source: J1756+5748 ! ! 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 134 lines of history. ! ! Reading 40440 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 J1756+5748_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 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.017872Jy sigma=22.403667 ! Fit after self-cal, rms=0.901033Jy sigma=20.362299 ! 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=0.7568 mas, bmaj=1.003 mas, bpa=-14.68 degrees ! Estimated noise=0.377568 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 = 0.0609882 Jy ! Component: 100 - total flux cleaned = 0.0830672 Jy ! Total flux subtracted in 100 components = 0.0830672 Jy ! Clean residual min=-0.008535 max=0.024757 Jy/beam ! Clean residual mean=-0.000025 rms=0.002066 Jy/beam ! Combined flux in latest and established models = 0.0830672 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0830672 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=0.128193Jy sigma=1.793691 ! Fit after self-cal, rms=0.127729Jy sigma=1.778505 ! Inverting map ! Added new window around map position (-10.4, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.02207 Jy ! Component: 100 - total flux cleaned = 0.0338619 Jy ! Total flux subtracted in 100 components = 0.0338619 Jy ! Clean residual min=-0.006169 max=0.016380 Jy/beam ! Clean residual mean=-0.000023 rms=0.001646 Jy/beam ! Combined flux in latest and established models = 0.116929 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 0.116929 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=0.120993Jy sigma=1.612989 ! Fit after self-cal, rms=0.120512Jy sigma=1.600798 ! Inverting map ! Added new window around map position (-2.2, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0168491 Jy ! Component: 100 - total flux cleaned = 0.0278242 Jy ! Total flux subtracted in 100 components = 0.0278242 Jy ! Clean residual min=-0.005574 max=0.009014 Jy/beam ! Clean residual mean=-0.000017 rms=0.001295 Jy/beam ! Combined flux in latest and established models = 0.144753 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 34 components and 0.144753 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=0.114962Jy sigma=1.455502 ! Fit after self-cal, rms=0.114611Jy sigma=1.446264 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00995189 Jy ! Component: 100 - total flux cleaned = 0.0175755 Jy ! Total flux subtracted in 100 components = 0.0175755 Jy ! Clean residual min=-0.004767 max=0.007685 Jy/beam ! Clean residual mean=-0.000014 rms=0.001126 Jy/beam ! Combined flux in latest and established models = 0.162329 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 36 components and 0.162329 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=0.111839Jy sigma=1.386765 ! Fit after self-cal, rms=0.111771Jy sigma=1.384833 ! Inverting map ! Added new window around map position (-11.4, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00787947 Jy ! Component: 100 - total flux cleaned = 0.0137392 Jy ! Total flux subtracted in 100 components = 0.0137392 Jy ! Clean residual min=-0.004424 max=0.006643 Jy/beam ! Clean residual mean=-0.000012 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.176068 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 46 components and 0.176068 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=0.109954Jy sigma=1.350358 ! Fit after self-cal, rms=0.109926Jy sigma=1.349089 ! Inverting map ! Added new window around map position (-8.2, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0065524 Jy ! Component: 100 - total flux cleaned = 0.0113704 Jy ! Total flux subtracted in 100 components = 0.0113704 Jy ! Clean residual min=-0.004244 max=0.005406 Jy/beam ! Clean residual mean=-0.000011 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 0.187438 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 55 components and 0.187438 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=0.108816Jy sigma=1.326319 ! Fit after self-cal, rms=0.108800Jy sigma=1.325381 ! 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=1.008 mas, bmaj=1.283 mas, bpa=-8.585 degrees ! Estimated noise=0.166713 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 (1.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0104713 Jy ! Component: 100 - total flux cleaned = 0.0181235 Jy ! Component: 150 - total flux cleaned = 0.0244075 Jy ! Component: 200 - total flux cleaned = 0.0296858 Jy ! Total flux subtracted in 200 components = 0.0296858 Jy ! Clean residual min=-0.005357 max=0.005025 Jy/beam ! Clean residual mean=-0.000017 rms=0.001349 Jy/beam ! Combined flux in latest and established models = 0.217124 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 87 components and 0.217124 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=0.105573Jy sigma=1.286748 ! Fit after self-cal, rms=0.105535Jy sigma=1.285382 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.008 x 1.283 at -8.585 degrees (North through East) ! Clean map min=-0.0052505 max=0.083442 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.95 KP 0.86 ! LA 0.96 MK 1.05 NL 1.10 OV 0.92 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.96 KP 0.90 ! LA 0.97 MK 1.15 NL 1.13 OV 0.93 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 0.96 KP 0.88 ! LA 0.97 MK 1.04 NL 1.15 OV 0.95 ! PT 0.90 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.94 KP 0.91 ! LA 0.97 MK 1.08 NL 1.13 OV 0.92 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.92 KP 0.89 ! LA 0.96 MK 1.06 NL 1.15 OV 0.93 ! PT 0.92 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.96 KP 0.89 ! LA 0.98 MK 1.03 NL 1.13 OV 0.96 ! PT 0.94 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 0.99 KP 0.91 ! LA 0.98 MK 1.10 NL 1.14 OV 0.97 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.98 KP 0.90 ! LA 0.96 MK 1.07 NL 1.16 OV 0.96 ! PT 0.95 SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.98 KP 0.91 ! LA 0.99 MK 1.15 NL 1.15 OV 0.92 ! PT 0.94 SC 1.06 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.04 HN 0.99 KP 0.91 ! LA 1.00 MK 1.07 NL 1.14 OV 0.93 ! PT 0.93 SC 1.01 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.07 HN 0.97 KP 0.89 ! LA 0.98 MK 1.10 NL 1.18 OV 0.93 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.06 HN 0.97 KP 0.91 ! LA 0.96 MK 1.02 NL 1.15 OV 0.95 ! PT 0.96 SC 1.03 ! ! ! Fit before self-cal, rms=0.105535Jy sigma=1.285382 ! Fit after self-cal, rms=0.096350Jy sigma=1.263212 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.027 mas, bmaj=1.29 mas, bpa=-7.259 degrees ! Estimated noise=0.167835 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 = 0.00427229 Jy ! Component: 100 - total flux cleaned = 0.00732454 Jy ! Component: 150 - total flux cleaned = 0.0097555 Jy ! Component: 200 - total flux cleaned = 0.0108936 Jy ! Total flux subtracted in 200 components = 0.0108936 Jy ! Clean residual min=-0.004656 max=0.003895 Jy/beam ! Clean residual mean=-0.000001 rms=0.001179 Jy/beam ! Combined flux in latest and established models = 0.228018 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 107 components and 0.228018 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=0.095531Jy sigma=1.259810 ! Fit after self-cal, rms=0.095499Jy sigma=1.259030 ! 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=0.095499Jy sigma=1.259030 ! Fit after self-cal, rms=0.056571Jy sigma=1.178156 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.024 mas, bmaj=1.292 mas, bpa=-8.313 degrees ! Estimated noise=0.166555 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108012 Jy ! Component: 100 - total flux cleaned = 0.00166931 Jy ! Component: 150 - total flux cleaned = 0.00187369 Jy ! Component: 200 - total flux cleaned = 0.00196078 Jy ! Total flux subtracted in 200 components = 0.00196078 Jy ! Clean residual min=-0.001249 max=0.001091 Jy/beam ! Clean residual mean=-0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.229978 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 122 components and 0.229978 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=0.056517Jy sigma=1.176997 ! Fit after self-cal, rms=0.056430Jy sigma=1.176021 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 = 0.000421732 Jy ! Component: 100 - total flux cleaned = 0.000450454 Jy ! Component: 150 - total flux cleaned = 0.000474028 Jy ! Component: 200 - total flux cleaned = 0.000494681 Jy ! Total flux subtracted in 200 components = 0.000494681 Jy ! Clean residual min=-0.001166 max=0.001017 Jy/beam ! Clean residual mean=-0.000000 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.230473 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 127 components and 0.230473 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=0.056410Jy sigma=1.175594 ! Fit after self-cal, rms=0.056408Jy sigma=1.175566 ! 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=0.056408Jy sigma=1.175566 ! Fit after self-cal, rms=0.056250Jy sigma=1.175451 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.021 mas, bmaj=1.293 mas, bpa=-8.098 degrees ! Estimated noise=0.166337 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000377561 Jy ! Component: 100 - total flux cleaned = 0.000531927 Jy ! Component: 150 - total flux cleaned = 0.00061108 Jy ! Component: 200 - total flux cleaned = 0.00064848 Jy ! Total flux subtracted in 200 components = 0.00064848 Jy ! Clean residual min=-0.001096 max=0.000966 Jy/beam ! Clean residual mean=-0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.231122 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 131 components and 0.231122 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=0.056234Jy sigma=1.175139 ! Fit after self-cal, rms=0.056232Jy sigma=1.175122 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 = 9.7133e-05 Jy ! Component: 100 - total flux cleaned = 0.000114399 Jy ! Component: 150 - total flux cleaned = 0.000146159 Jy ! Component: 200 - total flux cleaned = 0.000161177 Jy ! Total flux subtracted in 200 components = 0.000161177 Jy ! Clean residual min=-0.001061 max=0.000951 Jy/beam ! Clean residual mean=-0.000000 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.231283 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 134 components and 0.231283 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=0.056223Jy sigma=1.174942 ! Fit after self-cal, rms=0.056223Jy sigma=1.174935 ! 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=0.056223Jy sigma=1.174935 ! Fit after self-cal, rms=0.056118Jy sigma=1.174899 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.352 mas, bmaj=2.417 mas, bpa=52.55 degrees ! Estimated noise=0.212473 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000481586 Jy ! Component: 100 - total flux cleaned = 0.000539882 Jy ! Component: 150 - total flux cleaned = 0.000565884 Jy ! Component: 200 - total flux cleaned = 0.000577774 Jy ! Total flux subtracted in 200 components = 0.000577774 Jy ! Clean residual min=-0.001015 max=0.001154 Jy/beam ! Clean residual mean=-0.000000 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.231861 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 140 components and 0.231861 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=0.056113Jy sigma=1.174807 ! Fit after self-cal, rms=0.056112Jy sigma=1.174799 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 = 5.05871e-05 Jy ! Component: 100 - total flux cleaned = 6.14464e-05 Jy ! Component: 150 - total flux cleaned = 7.14351e-05 Jy ! Component: 200 - total flux cleaned = 7.14405e-05 Jy ! Total flux subtracted in 200 components = 7.14405e-05 Jy ! Clean residual min=-0.000989 max=0.001135 Jy/beam ! Clean residual mean=-0.000000 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.231932 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 141 components and 0.231932 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=0.056111Jy sigma=1.174778 ! Fit after self-cal, rms=0.056110Jy sigma=1.174777 ! 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=1.018 mas, bmaj=1.292 mas, bpa=-8.075 degrees ! Estimated noise=0.166173 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.018 x 1.292 at -8.075 degrees (North through East) ! Clean map min=-0.00087007 max=0.081385 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=0.7636 mas, bmaj=1.006 mas, bpa=-14.59 degrees ! Estimated noise=0.379987 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0611359 Jy ! Component: 100 - total flux cleaned = 0.0907291 Jy ! Component: 150 - total flux cleaned = 0.111907 Jy ! Component: 200 - total flux cleaned = 0.128093 Jy ! Total flux subtracted in 200 components = 0.128093 Jy ! Clean residual min=-0.005226 max=0.009555 Jy/beam ! Clean residual mean=-0.000017 rms=0.001345 Jy/beam ! Combined flux in latest and established models = 0.128093 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.128093 Jy ! Inverting map and beam ! Estimated beam: bmin=1.018 mas, bmaj=1.292 mas, bpa=-8.075 degrees ! Estimated noise=0.166173 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 = 0.0211098 Jy ! Component: 100 - total flux cleaned = 0.0363025 Jy ! Component: 150 - total flux cleaned = 0.0482617 Jy ! Component: 200 - total flux cleaned = 0.0578686 Jy ! Total flux subtracted in 200 components = 0.0578686 Jy ! Clean residual min=-0.003088 max=0.006316 Jy/beam ! Clean residual mean=-0.000025 rms=0.000970 Jy/beam ! Combined flux in latest and established models = 0.185962 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 57 components and 0.185962 Jy ! Inverting map ! Added new window around map position (-1.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00787755 Jy ! Component: 100 - total flux cleaned = 0.0142376 Jy ! Component: 150 - total flux cleaned = 0.0194448 Jy ! Component: 200 - total flux cleaned = 0.0237245 Jy ! Total flux subtracted in 200 components = 0.0237245 Jy ! Clean residual min=-0.001777 max=0.002654 Jy/beam ! Clean residual mean=-0.000012 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.209686 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 82 components and 0.209686 Jy ! Inverting map ! Added new window around map position (-3.2, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0035461 Jy ! Component: 100 - total flux cleaned = 0.00649369 Jy ! Component: 150 - total flux cleaned = 0.00897297 Jy ! Component: 200 - total flux cleaned = 0.0110742 Jy ! Total flux subtracted in 200 components = 0.0110742 Jy ! Clean residual min=-0.001229 max=0.001290 Jy/beam ! Clean residual mean=-0.000006 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.220761 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 113 components and 0.220761 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=2.352 mas, bmaj=2.417 mas, bpa=52.55 degrees ! Estimated noise=0.212473 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00300458 Jy ! Component: 100 - total flux cleaned = 0.00511623 Jy ! Component: 150 - total flux cleaned = 0.00666965 Jy ! Component: 200 - total flux cleaned = 0.00783117 Jy ! Total flux subtracted in 200 components = 0.00783117 Jy ! Clean residual min=-0.001141 max=0.001069 Jy/beam ! Clean residual mean=-0.000004 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.228592 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 = 0.000885157 Jy ! Component: 100 - total flux cleaned = 0.00156731 Jy ! Component: 150 - total flux cleaned = 0.00209748 Jy ! Component: 200 - total flux cleaned = 0.00243571 Jy ! Total flux subtracted in 200 components = 0.00243571 Jy ! Clean residual min=-0.000979 max=0.001049 Jy/beam ! Clean residual mean=-0.000001 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.231027 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 163 components and 0.231027 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.018 mas, bmaj=1.292 mas, bpa=-8.075 degrees ! Estimated noise=0.166173 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000358841 Jy ! Component: 100 - total flux cleaned = 0.000745758 Jy ! Component: 150 - total flux cleaned = 0.00101218 Jy ! Component: 200 - total flux cleaned = 0.00117146 Jy ! Total flux subtracted in 200 components = 0.00117146 Jy ! Clean residual min=-0.000995 max=0.000933 Jy/beam ! Clean residual mean=0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.232199 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 178 components and 0.232199 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=0.056108Jy sigma=1.174776 ! Fit after self-cal, rms=0.056099Jy sigma=1.174617 wmodel J1756+5748_X_map.mod ! Writing 178 model components to file: J1756+5748_X_map.mod wobs J1756+5748_X_uvs.fits ! Writing UV FITS file: J1756+5748_X_uvs.fits wwins J1756+5748_X_map.win ! wwins: Wrote 8 windows to J1756+5748_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 = -0.000127574 Jy ! Component: 100 - total flux cleaned = -0.00019309 Jy ! Component: 150 - total flux cleaned = -0.000193294 Jy ! Component: 200 - total flux cleaned = -0.000121048 Jy ! Component: 250 - total flux cleaned = -2.34424e-05 Jy ! Component: 300 - total flux cleaned = 3.082e-05 Jy ! Component: 350 - total flux cleaned = 9.70752e-05 Jy ! Component: 400 - total flux cleaned = 0.000148925 Jy ! Component: 450 - total flux cleaned = 0.000174508 Jy ! Component: 500 - total flux cleaned = 0.000199757 Jy ! Component: 550 - total flux cleaned = 0.000200059 Jy ! Component: 600 - total flux cleaned = 0.000188119 Jy ! Component: 650 - total flux cleaned = 0.00020006 Jy ! Component: 700 - total flux cleaned = 0.000141327 Jy ! Component: 750 - total flux cleaned = 8.36342e-05 Jy ! Component: 800 - total flux cleaned = 6.09661e-05 Jy ! Component: 850 - total flux cleaned = 1.58816e-05 Jy ! Component: 900 - total flux cleaned = -3.9965e-05 Jy ! Component: 950 - total flux cleaned = -0.000117035 Jy ! Component: 1000 - total flux cleaned = -0.000138998 Jy ! Component: 1050 - total flux cleaned = -0.000203669 Jy ! Component: 1100 - total flux cleaned = -0.000256931 Jy ! Component: 1150 - total flux cleaned = -0.000309466 Jy ! Component: 1200 - total flux cleaned = -0.000330305 Jy ! Component: 1250 - total flux cleaned = -0.000361308 Jy ! Component: 1300 - total flux cleaned = -0.000392035 Jy ! Component: 1350 - total flux cleaned = -0.00043248 Jy ! Component: 1400 - total flux cleaned = -0.000472646 Jy ! Component: 1450 - total flux cleaned = -0.000532052 Jy ! Component: 1500 - total flux cleaned = -0.000492677 Jy ! Component: 1550 - total flux cleaned = -0.000541404 Jy ! Component: 1600 - total flux cleaned = -0.000589544 Jy ! Component: 1650 - total flux cleaned = -0.000599161 Jy ! Component: 1700 - total flux cleaned = -0.000617938 Jy ! Component: 1750 - total flux cleaned = -0.000636751 Jy ! Component: 1800 - total flux cleaned = -0.00064614 Jy ! Component: 1850 - total flux cleaned = -0.000664566 Jy ! Component: 1900 - total flux cleaned = -0.0007012 Jy ! Component: 1950 - total flux cleaned = -0.000737483 Jy ! Component: 2000 - total flux cleaned = -0.000728449 Jy ! Component: 2050 - total flux cleaned = -0.000737466 Jy ! Component: 2100 - total flux cleaned = -0.000781889 Jy ! Component: 2150 - total flux cleaned = -0.000799393 Jy ! Component: 2200 - total flux cleaned = -0.000790673 Jy ! Component: 2250 - total flux cleaned = -0.000782131 Jy ! Component: 2300 - total flux cleaned = -0.000790655 Jy ! Component: 2350 - total flux cleaned = -0.000799141 Jy ! Component: 2400 - total flux cleaned = -0.000799112 Jy ! Component: 2450 - total flux cleaned = -0.00084126 Jy ! Component: 2500 - total flux cleaned = -0.000824486 Jy ! Component: 2550 - total flux cleaned = -0.000841219 Jy ! Component: 2600 - total flux cleaned = -0.000857808 Jy ! Component: 2650 - total flux cleaned = -0.000857805 Jy ! Component: 2700 - total flux cleaned = -0.000841591 Jy ! Component: 2750 - total flux cleaned = -0.000857869 Jy ! Component: 2800 - total flux cleaned = -0.000857894 Jy ! Component: 2850 - total flux cleaned = -0.000841895 Jy ! Component: 2900 - total flux cleaned = -0.000889652 Jy ! Component: 2950 - total flux cleaned = -0.000881673 Jy ! Component: 3000 - total flux cleaned = -0.000920934 Jy ! Component: 3050 - total flux cleaned = -0.000913074 Jy ! Component: 3100 - total flux cleaned = -0.00093635 Jy ! Component: 3150 - total flux cleaned = -0.000913139 Jy ! Component: 3200 - total flux cleaned = -0.000943887 Jy ! Component: 3250 - total flux cleaned = -0.000966761 Jy ! Component: 3300 - total flux cleaned = -0.000943883 Jy ! Component: 3350 - total flux cleaned = -0.000928809 Jy ! Component: 3400 - total flux cleaned = -0.000913758 Jy ! Component: 3450 - total flux cleaned = -0.000958634 Jy ! Component: 3500 - total flux cleaned = -0.000951213 Jy ! Component: 3550 - total flux cleaned = -0.000929067 Jy ! Component: 3600 - total flux cleaned = -0.000980615 Jy ! Component: 3650 - total flux cleaned = -0.000973329 Jy ! Component: 3700 - total flux cleaned = -0.000987942 Jy ! Component: 3750 - total flux cleaned = -0.000973477 Jy ! Component: 3800 - total flux cleaned = -0.00100939 Jy ! Component: 3850 - total flux cleaned = -0.00102369 Jy ! Component: 3900 - total flux cleaned = -0.00098805 Jy ! Component: 3950 - total flux cleaned = -0.000995043 Jy ! Component: 4000 - total flux cleaned = -0.00100913 Jy ! Component: 4050 - total flux cleaned = -0.00103722 Jy ! Total flux subtracted in 4096 components = -0.00100924 Jy ! Clean residual min=-0.000430 max=0.000419 Jy/beam ! Clean residual mean=0.000000 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.23119 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 489 components and 0.23119 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1756+5748_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.018 x 1.292 at -8.075 degrees (North through East) ! Clean map min=-0.00073878 max=0.081415 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1756+5748_X_map.fits wmodel /vlbi/uf001/uva//J1756+5748_X_map.mod ! Writing 489 model components to file: /vlbi/uf001/uva//J1756+5748_X_map.mod wobs /vlbi/uf001/uva//J1756+5748_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1756+5748_X_uvs.fits wwins /vlbi/uf001/uva//J1756+5748_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1756+5748_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0814151 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00011643 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.429023 0.429023 0.858046 1.71609 3.43218 6.86437 13.7287 27.4575 54.9149 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.081 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 699.263 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1756+5748_X_dfm.log closed on Mon Jan 14 04:26:50 2019