! Started logfile: /vlbi/uf001/uva//J1917-1921_X_dfm.log on Mon Jan 14 04:59:57 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//J1917-1921_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1917-1921_X_uva.fits ! AN table 1: 28 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.86746 visibilities/baseline/integration-bin. ! Found source: J1917-1921 ! ! 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 13116 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 J1917-1921_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 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.020895Jy sigma=21.310013 ! Fit after self-cal, rms=0.802325Jy sigma=16.684353 ! 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=0.6358 mas, bmaj=1.6 mas, bpa=-2.805 degrees ! Estimated noise=0.531239 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 = 0.14904 Jy ! Component: 100 - total flux cleaned = 0.18306 Jy ! Total flux subtracted in 100 components = 0.18306 Jy ! Clean residual min=-0.013737 max=0.029698 Jy/beam ! Clean residual mean=0.000003 rms=0.003230 Jy/beam ! Combined flux in latest and established models = 0.18306 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.18306 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=0.092321Jy sigma=1.913167 ! Fit after self-cal, rms=0.092241Jy sigma=1.912422 ! Inverting map ! Added new window around map position (-1.6, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0252913 Jy ! Component: 100 - total flux cleaned = 0.037535 Jy ! Total flux subtracted in 100 components = 0.037535 Jy ! Clean residual min=-0.012251 max=0.024469 Jy/beam ! Clean residual mean=0.000004 rms=0.002684 Jy/beam ! Combined flux in latest and established models = 0.220595 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.220595 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=0.083097Jy sigma=1.699585 ! Fit after self-cal, rms=0.081554Jy sigma=1.666815 ! Inverting map ! Added new window around map position (1.8, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0167717 Jy ! Component: 100 - total flux cleaned = 0.0272094 Jy ! Total flux subtracted in 100 components = 0.0272094 Jy ! Clean residual min=-0.012703 max=0.012281 Jy/beam ! Clean residual mean=0.000004 rms=0.002220 Jy/beam ! Combined flux in latest and established models = 0.247805 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 23 components and 0.247805 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=0.076961Jy sigma=1.552262 ! Fit after self-cal, rms=0.076851Jy sigma=1.549771 ! 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=0.8022 mas, bmaj=1.937 mas, bpa=-2.194 degrees ! Estimated noise=0.326738 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 = 0.0143498 Jy ! Component: 100 - total flux cleaned = 0.0240101 Jy ! Component: 150 - total flux cleaned = 0.0309631 Jy ! Component: 200 - total flux cleaned = 0.0360547 Jy ! Total flux subtracted in 200 components = 0.0360547 Jy ! Clean residual min=-0.011671 max=0.012916 Jy/beam ! Clean residual mean=-0.000001 rms=0.002681 Jy/beam ! Combined flux in latest and established models = 0.283859 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.283859 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=0.073873Jy sigma=1.472246 ! Fit after self-cal, rms=0.073750Jy sigma=1.469998 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8022 x 1.937 at -2.194 degrees (North through East) ! Clean map min=-0.010579 max=0.18455 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.01 HN 0.99 KP 1.01 ! LA 0.97 MK 1.01 NL 1.10 OV 0.91 ! PT 0.90 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.01 HN 1.03 KP 1.01 ! LA 0.93 MK 1.01 NL 1.19 OV 0.91 ! PT 0.89 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.00 HN 1.01 KP 1.01 ! LA 0.97 MK 1.01 NL 1.14 OV 0.89 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.99 HN 0.99 KP 1.00 ! LA 0.98 MK 1.02 NL 1.14 OV 0.89 ! PT 0.91 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.99 HN 1.01 KP 0.99 ! LA 1.01 MK 1.02 NL 1.21 OV 0.89 ! PT 0.90 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.99 HN 1.01 KP 1.00 ! LA 0.96 MK 1.01 NL 1.16 OV 0.91 ! PT 0.90 SC 1.04 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.98 HN 0.98 KP 1.00 ! LA 0.98 MK 1.04 NL 1.17 OV 0.87 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 0.99 HN 1.02 KP 1.00 ! LA 0.94 MK 1.03 NL 1.17 OV 0.89 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 0.98 HN 1.01 KP 0.99 ! LA 0.94 MK 1.00 NL 1.16 OV 0.89 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.01 HN 1.01 KP 1.01 ! LA 0.94 MK 0.99 NL 1.14 OV 0.90 ! PT 0.90 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.01 HN 1.07 KP 1.00 ! LA 0.96 MK 1.01 NL 1.14 OV 0.89 ! PT 0.89 SC 1.05 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.99 HN 1.06 KP 1.00 ! LA 0.96 MK 1.03 NL 1.15 OV 0.93 ! PT 0.89 SC 1.00 ! ! ! Fit before self-cal, rms=0.073750Jy sigma=1.469998 ! Fit after self-cal, rms=0.072955Jy sigma=1.381566 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8044 mas, bmaj=1.96 mas, bpa=-2.013 degrees ! Estimated noise=0.331061 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 = -0.00302069 Jy ! Component: 100 - total flux cleaned = -0.00395278 Jy ! Component: 150 - total flux cleaned = -0.00411812 Jy ! Component: 200 - total flux cleaned = -0.00427071 Jy ! Total flux subtracted in 200 components = -0.00427071 Jy ! Clean residual min=-0.009347 max=0.010267 Jy/beam ! Clean residual mean=0.000000 rms=0.002121 Jy/beam ! Combined flux in latest and established models = 0.279589 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 48 components and 0.279588 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=0.072677Jy sigma=1.375411 ! Fit after self-cal, rms=0.072746Jy sigma=1.374598 ! 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=0.072746Jy sigma=1.374598 ! Fit after self-cal, rms=0.072171Jy sigma=1.269921 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8018 mas, bmaj=1.961 mas, bpa=-1.418 degrees ! Estimated noise=0.335816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00543087 Jy ! Component: 100 - total flux cleaned = -0.00665425 Jy ! Component: 150 - total flux cleaned = -0.00763912 Jy ! Component: 200 - total flux cleaned = -0.0083426 Jy ! Total flux subtracted in 200 components = -0.0083426 Jy ! Clean residual min=-0.005850 max=0.008430 Jy/beam ! Clean residual mean=-0.000002 rms=0.001351 Jy/beam ! Combined flux in latest and established models = 0.271246 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 61 components and 0.271246 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=0.071576Jy sigma=1.256098 ! Fit after self-cal, rms=0.071601Jy sigma=1.255349 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 (-1.4, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00692211 Jy ! Component: 100 - total flux cleaned = 0.00805457 Jy ! Component: 150 - total flux cleaned = 0.00888913 Jy ! Component: 200 - total flux cleaned = 0.00915873 Jy ! Total flux subtracted in 200 components = 0.00915873 Jy ! Clean residual min=-0.006371 max=0.005469 Jy/beam ! Clean residual mean=0.000001 rms=0.001179 Jy/beam ! Combined flux in latest and established models = 0.280405 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 87 components and 0.280405 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=0.070874Jy sigma=1.237501 ! Fit after self-cal, rms=0.070775Jy sigma=1.236267 ! 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=0.070775Jy sigma=1.236267 ! Fit after self-cal, rms=0.071678Jy sigma=1.230948 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8004 mas, bmaj=1.959 mas, bpa=-1.282 degrees ! Estimated noise=0.336094 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00127056 Jy ! Component: 100 - total flux cleaned = -0.00165167 Jy ! Component: 150 - total flux cleaned = -0.00174565 Jy ! Component: 200 - total flux cleaned = -0.00191896 Jy ! Total flux subtracted in 200 components = -0.00191896 Jy ! Clean residual min=-0.005571 max=0.004576 Jy/beam ! Clean residual mean=0.000001 rms=0.001014 Jy/beam ! Combined flux in latest and established models = 0.278486 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 97 components and 0.278486 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=0.071268Jy sigma=1.221076 ! Fit after self-cal, rms=0.071228Jy sigma=1.220629 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 = 0.000105415 Jy ! Component: 100 - total flux cleaned = 3.97587e-05 Jy ! Component: 150 - total flux cleaned = 3.93352e-05 Jy ! Component: 200 - total flux cleaned = -1.44697e-05 Jy ! Total flux subtracted in 200 components = -1.44697e-05 Jy ! Clean residual min=-0.005448 max=0.004439 Jy/beam ! Clean residual mean=0.000001 rms=0.000988 Jy/beam ! Combined flux in latest and established models = 0.278471 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 102 components and 0.278471 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=0.071108Jy sigma=1.217757 ! Fit after self-cal, rms=0.071085Jy sigma=1.217574 ! 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=0.071085Jy sigma=1.217574 ! Fit after self-cal, rms=0.071914Jy sigma=1.214401 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.189 mas, bmaj=4.406 mas, bpa=4.863 degrees ! Estimated noise=0.438049 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00119691 Jy ! Component: 100 - total flux cleaned = -0.00152457 Jy ! Component: 150 - total flux cleaned = -0.00166146 Jy ! Component: 200 - total flux cleaned = -0.00165728 Jy ! Total flux subtracted in 200 components = -0.00165728 Jy ! Clean residual min=-0.006457 max=0.005932 Jy/beam ! Clean residual mean=0.000001 rms=0.001537 Jy/beam ! Combined flux in latest and established models = 0.276814 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 122 components and 0.276814 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=0.071854Jy sigma=1.213050 ! Fit after self-cal, rms=0.071826Jy sigma=1.212527 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 = 0.000211087 Jy ! Component: 100 - total flux cleaned = 0.000121775 Jy ! Component: 150 - total flux cleaned = 8.51062e-05 Jy ! Component: 200 - total flux cleaned = 5.24142e-05 Jy ! Total flux subtracted in 200 components = 5.24142e-05 Jy ! Clean residual min=-0.006296 max=0.006057 Jy/beam ! Clean residual mean=0.000001 rms=0.001524 Jy/beam ! Combined flux in latest and established models = 0.276866 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 131 components and 0.276866 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=0.071830Jy sigma=1.212466 ! Fit after self-cal, rms=0.071823Jy sigma=1.212321 ! 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=0.7994 mas, bmaj=1.958 mas, bpa=-1.208 degrees ! Estimated noise=0.336089 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7994 x 1.958 at -1.208 degrees (North through East) ! Clean map min=-0.0044009 max=0.18965 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=0.6292 mas, bmaj=1.604 mas, bpa=-1.73 degrees ! Estimated noise=0.553095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.154801 Jy ! Component: 100 - total flux cleaned = 0.195436 Jy ! Component: 150 - total flux cleaned = 0.215013 Jy ! Component: 200 - total flux cleaned = 0.226912 Jy ! Total flux subtracted in 200 components = 0.226912 Jy ! Clean residual min=-0.005259 max=0.006551 Jy/beam ! Clean residual mean=-0.000001 rms=0.001217 Jy/beam ! Combined flux in latest and established models = 0.226912 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.226912 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7994 mas, bmaj=1.958 mas, bpa=-1.208 degrees ! Estimated noise=0.336089 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 = 0.0138479 Jy ! Component: 100 - total flux cleaned = 0.0228726 Jy ! Component: 150 - total flux cleaned = 0.0295023 Jy ! Component: 200 - total flux cleaned = 0.0345344 Jy ! Total flux subtracted in 200 components = 0.0345344 Jy ! Clean residual min=-0.004298 max=0.004609 Jy/beam ! Clean residual mean=-0.000004 rms=0.001015 Jy/beam ! Combined flux in latest and established models = 0.261446 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 54 components and 0.261446 Jy ! Inverting map ! Added new window around map position (16, -23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00466073 Jy ! Component: 100 - total flux cleaned = 0.00804808 Jy ! Component: 150 - total flux cleaned = 0.0107016 Jy ! Component: 200 - total flux cleaned = 0.0121917 Jy ! Total flux subtracted in 200 components = 0.0121917 Jy ! Clean residual min=-0.004130 max=0.003838 Jy/beam ! Clean residual mean=-0.000003 rms=0.000863 Jy/beam ! Combined flux in latest and established models = 0.273638 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 79 components and 0.273638 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=2.189 mas, bmaj=4.406 mas, bpa=4.863 degrees ! Estimated noise=0.438049 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00326214 Jy ! Component: 100 - total flux cleaned = 0.00432678 Jy ! Component: 150 - total flux cleaned = 0.00494444 Jy ! Component: 200 - total flux cleaned = 0.00523205 Jy ! Total flux subtracted in 200 components = 0.00523205 Jy ! Clean residual min=-0.005685 max=0.006008 Jy/beam ! Clean residual mean=-0.000002 rms=0.001438 Jy/beam ! Combined flux in latest and established models = 0.27887 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 = 0.000299558 Jy ! Component: 100 - total flux cleaned = 0.000558244 Jy ! Component: 150 - total flux cleaned = 0.000598906 Jy ! Component: 200 - total flux cleaned = 0.000636072 Jy ! Total flux subtracted in 200 components = 0.000636072 Jy ! Clean residual min=-0.005547 max=0.005878 Jy/beam ! Clean residual mean=-0.000002 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 0.279506 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 108 components and 0.279506 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7994 mas, bmaj=1.958 mas, bpa=-1.208 degrees ! Estimated noise=0.336089 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.19286e-05 Jy ! Component: 100 - total flux cleaned = 3.1427e-05 Jy ! Component: 150 - total flux cleaned = 3.16505e-05 Jy ! Component: 200 - total flux cleaned = 3.19802e-05 Jy ! Total flux subtracted in 200 components = 3.19802e-05 Jy ! Clean residual min=-0.004207 max=0.003589 Jy/beam ! Clean residual mean=-0.000001 rms=0.000809 Jy/beam ! Combined flux in latest and established models = 0.279538 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 122 components and 0.279538 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=0.071418Jy sigma=1.204838 ! Fit after self-cal, rms=0.071321Jy sigma=1.202792 wmodel J1917-1921_X_map.mod ! Writing 122 model components to file: J1917-1921_X_map.mod wobs J1917-1921_X_uvs.fits ! Writing UV FITS file: J1917-1921_X_uvs.fits wwins J1917-1921_X_map.win ! wwins: Wrote 5 windows to J1917-1921_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 = -0.000994496 Jy ! Component: 100 - total flux cleaned = -0.0015967 Jy ! Component: 150 - total flux cleaned = -0.00181874 Jy ! Component: 200 - total flux cleaned = -0.00181852 Jy ! Component: 250 - total flux cleaned = -0.00172056 Jy ! Component: 300 - total flux cleaned = -0.00148713 Jy ! Component: 350 - total flux cleaned = -0.00139831 Jy ! Component: 400 - total flux cleaned = -0.00126951 Jy ! Component: 450 - total flux cleaned = -0.00118715 Jy ! Component: 500 - total flux cleaned = -0.00110799 Jy ! Component: 550 - total flux cleaned = -0.000916313 Jy ! Component: 600 - total flux cleaned = -0.000916952 Jy ! Component: 650 - total flux cleaned = -0.000845173 Jy ! Component: 700 - total flux cleaned = -0.000774779 Jy ! Component: 750 - total flux cleaned = -0.000739779 Jy ! Component: 800 - total flux cleaned = -0.000773925 Jy ! Component: 850 - total flux cleaned = -0.000773479 Jy ! Component: 900 - total flux cleaned = -0.000837912 Jy ! Component: 950 - total flux cleaned = -0.000901151 Jy ! Component: 1000 - total flux cleaned = -0.00093214 Jy ! Component: 1050 - total flux cleaned = -0.0010529 Jy ! Component: 1100 - total flux cleaned = -0.00119933 Jy ! Component: 1150 - total flux cleaned = -0.00117137 Jy ! Component: 1200 - total flux cleaned = -0.00134157 Jy ! Component: 1250 - total flux cleaned = -0.0013965 Jy ! Component: 1300 - total flux cleaned = -0.00142371 Jy ! Component: 1350 - total flux cleaned = -0.00147755 Jy ! Component: 1400 - total flux cleaned = -0.0013713 Jy ! Component: 1450 - total flux cleaned = -0.00150269 Jy ! Component: 1500 - total flux cleaned = -0.00142562 Jy ! Component: 1550 - total flux cleaned = -0.00157848 Jy ! Component: 1600 - total flux cleaned = -0.00152834 Jy ! Component: 1650 - total flux cleaned = -0.00162749 Jy ! Component: 1700 - total flux cleaned = -0.0015785 Jy ! Component: 1750 - total flux cleaned = -0.00153087 Jy ! Component: 1800 - total flux cleaned = -0.00150719 Jy ! Component: 1850 - total flux cleaned = -0.00150759 Jy ! Component: 1900 - total flux cleaned = -0.00146174 Jy ! Component: 1950 - total flux cleaned = -0.00146173 Jy ! Component: 2000 - total flux cleaned = -0.00141697 Jy ! Component: 2050 - total flux cleaned = -0.00148379 Jy ! Component: 2100 - total flux cleaned = -0.00146137 Jy ! Component: 2150 - total flux cleaned = -0.00143911 Jy ! Component: 2200 - total flux cleaned = -0.00143897 Jy ! Component: 2250 - total flux cleaned = -0.00152385 Jy ! Component: 2300 - total flux cleaned = -0.00156626 Jy ! Component: 2350 - total flux cleaned = -0.00152457 Jy ! Component: 2400 - total flux cleaned = -0.00156583 Jy ! Component: 2450 - total flux cleaned = -0.00160644 Jy ! Component: 2500 - total flux cleaned = -0.00170661 Jy ! Component: 2550 - total flux cleaned = -0.00170641 Jy ! Component: 2600 - total flux cleaned = -0.00178485 Jy ! Component: 2650 - total flux cleaned = -0.00186222 Jy ! Component: 2700 - total flux cleaned = -0.00184348 Jy ! Component: 2750 - total flux cleaned = -0.00190023 Jy ! Component: 2800 - total flux cleaned = -0.00188135 Jy ! Component: 2850 - total flux cleaned = -0.00184409 Jy ! Component: 2900 - total flux cleaned = -0.0018443 Jy ! Component: 2950 - total flux cleaned = -0.00175288 Jy ! Component: 3000 - total flux cleaned = -0.00175304 Jy ! Component: 3050 - total flux cleaned = -0.00173509 Jy ! Component: 3100 - total flux cleaned = -0.00169965 Jy ! Component: 3150 - total flux cleaned = -0.00161158 Jy ! Component: 3200 - total flux cleaned = -0.00159422 Jy ! Component: 3250 - total flux cleaned = -0.00154211 Jy ! Component: 3300 - total flux cleaned = -0.00147342 Jy ! Component: 3350 - total flux cleaned = -0.00143964 Jy ! Component: 3400 - total flux cleaned = -0.0014227 Jy ! Component: 3450 - total flux cleaned = -0.00138902 Jy ! Component: 3500 - total flux cleaned = -0.00137222 Jy ! Component: 3550 - total flux cleaned = -0.00132275 Jy ! Component: 3600 - total flux cleaned = -0.00129003 Jy ! Component: 3650 - total flux cleaned = -0.00130605 Jy ! Component: 3700 - total flux cleaned = -0.0012897 Jy ! Component: 3750 - total flux cleaned = -0.00127333 Jy ! Component: 3800 - total flux cleaned = -0.00114609 Jy ! Component: 3850 - total flux cleaned = -0.00111452 Jy ! Component: 3900 - total flux cleaned = -0.00108328 Jy ! Component: 3950 - total flux cleaned = -0.00102112 Jy ! Component: 4000 - total flux cleaned = -0.000959388 Jy ! Component: 4050 - total flux cleaned = -0.000882836 Jy ! Total flux subtracted in 4096 components = -0.000867712 Jy ! Clean residual min=-0.000986 max=0.000793 Jy/beam ! Clean residual mean=-0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.27867 Jy keep ! Adding 349 model components to the UV plane model. ! The established model now contains 471 components and 0.27867 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1917-1921_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7994 x 1.958 at -1.208 degrees (North through East) ! Clean map min=-0.0019783 max=0.19194 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1917-1921_X_map.fits wmodel /vlbi/uf001/uva//J1917-1921_X_map.mod ! Writing 471 model components to file: /vlbi/uf001/uva//J1917-1921_X_map.mod wobs /vlbi/uf001/uva//J1917-1921_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1917-1921_X_uvs.fits wwins /vlbi/uf001/uva//J1917-1921_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1917-1921_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.191936 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000267713 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.418441 0.418441 0.836882 1.67376 3.34753 6.69506 13.3901 26.7802 53.5604 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.191 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 716.947 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1917-1921_X_dfm.log closed on Mon Jan 14 05:00:02 2019