! Started logfile: /vlbi/uf001/uva//J0646-3903_X_dfm.log on Sun Jan 13 23:09:19 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//J0646-3903_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0646-3903_X_uva.fits ! AN table 1: 37 integrations on 28 of 28 possible baselines. ! AN table 2: 36 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.993997 visibilities/baseline/integration-bin. ! Found source: J0646-3903 ! ! 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 27816 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 J0646-3903_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 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 44 telescope corrections were flagged in sub-array 1. ! A total of 36 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.020563Jy sigma=16.182977 ! Fit after self-cal, rms=0.860622Jy sigma=13.273124 ! 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=0.5886 mas, bmaj=2.006 mas, bpa=10.39 degrees ! Estimated noise=0.814482 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 = 0.115718 Jy ! Component: 100 - total flux cleaned = 0.153868 Jy ! Total flux subtracted in 100 components = 0.153868 Jy ! Clean residual min=-0.019673 max=0.028111 Jy/beam ! Clean residual mean=-0.000036 rms=0.004784 Jy/beam ! Combined flux in latest and established models = 0.153868 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.153868 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=0.104488Jy sigma=1.609182 ! Fit after self-cal, rms=0.104064Jy sigma=1.602366 ! 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=0.8025 mas, bmaj=2.437 mas, bpa=8.186 degrees ! Estimated noise=0.317045 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 (-19.6, 36.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0368224 Jy ! Component: 100 - total flux cleaned = 0.0555285 Jy ! Component: 150 - total flux cleaned = 0.0672995 Jy ! Component: 200 - total flux cleaned = 0.0710483 Jy ! Total flux subtracted in 200 components = 0.0710483 Jy ! Clean residual min=-0.013087 max=0.021381 Jy/beam ! Clean residual mean=-0.000020 rms=0.003583 Jy/beam ! Combined flux in latest and established models = 0.224916 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 49 components and 0.224916 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=0.092362Jy sigma=1.352256 ! Fit after self-cal, rms=0.090365Jy sigma=1.311062 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8025 x 2.437 at 8.186 degrees (North through East) ! Clean map min=-0.011618 max=0.1429 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.49 KP 0.94 LA 0.85 ! NL 1.37 OV 0.93 PT 1.00* SC 0.71 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.63 FD 0.92 KP 0.94 LA 0.87 ! MK 0.85 NL 1.67 OV 0.97 PT 1.00* ! SC 1.18 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.43 KP 0.94 LA 0.86 ! NL 1.30 OV 0.95 PT 1.00* SC 0.70 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.18 FD 0.95 KP 0.93 LA 0.85 ! MK 0.87 NL 1.67 OV 1.00 PT 1.00* ! SC 1.25 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 HN 1.51 KP 0.97 LA 0.87 ! NL 1.27 OV 0.94 PT 1.00* SC 0.72 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.27 FD 0.95 KP 0.93 LA 0.85 ! MK 0.89 NL 1.48 OV 0.99 PT 1.00* ! SC 1.27 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.29 KP 1.00 LA 0.84 ! NL 1.30 OV 0.98 PT 1.00* SC 0.72 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.32 FD 0.97 KP 0.95 LA 0.88 ! MK 0.90 NL 1.56 OV 0.95 PT 1.00* ! SC 1.24 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.35 KP 0.99 LA 0.84 ! NL 1.25 OV 0.94 PT 1.00* SC 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.31 FD 0.98 KP 0.94 LA 0.90 ! MK 0.90 NL 1.42 OV 0.97 PT 1.00* ! SC 1.14 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.36 KP 0.97 LA 0.84 ! NL 1.37 OV 0.98 PT 1.00* SC 0.76 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.36 FD 0.95 KP 0.97 LA 0.89 ! MK 0.91 NL 1.38 OV 0.98 PT 1.00* ! SC 1.17 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 1.35 KP 0.95 LA 0.83 ! NL 1.28 OV 0.98 PT 1.00* SC 0.79 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.72 FD 0.95 KP 0.92 LA 0.91 ! MK 0.91 NL 1.39 OV 0.94 PT 1.00* ! SC 1.17 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.34 KP 0.97 LA 0.85 ! NL 1.39 OV 0.96 PT 1.00* SC 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.24 FD 0.95 KP 0.94 LA 0.90 ! MK 0.90 NL 1.51 OV 0.95 PT 1.00* ! SC 1.17 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.38 KP 0.95 LA 0.85 ! NL 1.45 OV 0.94 PT 1.00* SC 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.15 FD 0.93 KP 0.95 LA 0.92 ! MK 0.85 NL 1.48 OV 0.98 PT 1.00* ! SC 1.18 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.36 KP 0.96 LA 0.87 ! NL 1.44 OV 0.97 PT 1.00* SC 0.69 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.30 FD 0.91 KP 0.96 LA 0.91 ! MK 0.85 NL 1.75 OV 0.97 PT 1.00* ! SC 1.18 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.28 KP 0.95 LA 0.85 ! NL 1.41 OV 0.94 PT 1.00* SC 0.69 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.19 FD 0.92 KP 0.93 LA 0.94 ! MK 0.81 NL 1.80 OV 0.96 PT 1.00* ! SC 1.17 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.37 KP 0.96 LA 0.87 ! NL 1.48 OV 0.93 PT 1.00* SC 0.67 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.39 FD 0.94 KP 0.96 LA 0.91 ! MK 0.79 NL 1.73 OV 0.95 PT 1.00* ! SC 1.10 ! ! ! Fit before self-cal, rms=0.090365Jy sigma=1.311062 ! Fit after self-cal, rms=0.128736Jy sigma=1.112084 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7791 mas, bmaj=2.572 mas, bpa=6.408 degrees ! Estimated noise=0.33081 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 = -0.00174251 Jy ! Component: 100 - total flux cleaned = -0.00206179 Jy ! Component: 150 - total flux cleaned = -0.00224258 Jy ! Component: 200 - total flux cleaned = -0.00239949 Jy ! Total flux subtracted in 200 components = -0.00239949 Jy ! Clean residual min=-0.004701 max=0.004001 Jy/beam ! Clean residual mean=0.000002 rms=0.000873 Jy/beam ! Combined flux in latest and established models = 0.222517 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.222517 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=0.128516Jy sigma=1.108363 ! Fit after self-cal, rms=0.130371Jy sigma=1.105124 ! 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=0.130371Jy sigma=1.105124 ! Fit after self-cal, rms=0.137441Jy sigma=1.104520 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7792 mas, bmaj=2.585 mas, bpa=6.229 degrees ! Estimated noise=0.332338 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00176555 Jy ! Component: 100 - total flux cleaned = -0.00195139 Jy ! Component: 150 - total flux cleaned = -0.00209774 Jy ! Component: 200 - total flux cleaned = -0.00229186 Jy ! Total flux subtracted in 200 components = -0.00229186 Jy ! Clean residual min=-0.004434 max=0.003887 Jy/beam ! Clean residual mean=0.000002 rms=0.000844 Jy/beam ! Combined flux in latest and established models = 0.220225 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 73 components and 0.220225 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=0.137292Jy sigma=1.102225 ! Fit after self-cal, rms=0.137418Jy sigma=1.101875 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 = -0.000389709 Jy ! Component: 100 - total flux cleaned = -0.000577153 Jy ! Component: 150 - total flux cleaned = -0.000688329 Jy ! Component: 200 - total flux cleaned = -0.000789928 Jy ! Total flux subtracted in 200 components = -0.000789928 Jy ! Clean residual min=-0.004279 max=0.003749 Jy/beam ! Clean residual mean=0.000001 rms=0.000823 Jy/beam ! Combined flux in latest and established models = 0.219435 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 78 components and 0.219435 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=0.137355Jy sigma=1.100605 ! Fit after self-cal, rms=0.137344Jy sigma=1.100475 ! 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=0.137344Jy sigma=1.100475 ! Fit after self-cal, rms=0.144237Jy sigma=1.099859 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7793 mas, bmaj=2.596 mas, bpa=6.131 degrees ! Estimated noise=0.333514 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00144532 Jy ! Component: 100 - total flux cleaned = -0.0016508 Jy ! Component: 150 - total flux cleaned = -0.00176494 Jy ! Component: 200 - total flux cleaned = -0.00186765 Jy ! Total flux subtracted in 200 components = -0.00186765 Jy ! Clean residual min=-0.003936 max=0.003688 Jy/beam ! Clean residual mean=0.000002 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.217567 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 80 components and 0.217567 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=0.144147Jy sigma=1.098460 ! Fit after self-cal, rms=0.144281Jy sigma=1.098230 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 = -0.000318403 Jy ! Component: 100 - total flux cleaned = -0.000472769 Jy ! Component: 150 - total flux cleaned = -0.000608329 Jy ! Component: 200 - total flux cleaned = -0.000650159 Jy ! Total flux subtracted in 200 components = -0.000650159 Jy ! Clean residual min=-0.003864 max=0.003547 Jy/beam ! Clean residual mean=0.000001 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.216917 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 84 components and 0.216917 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=0.144240Jy sigma=1.097396 ! Fit after self-cal, rms=0.144249Jy sigma=1.097310 ! 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=0.144249Jy sigma=1.097310 ! Fit after self-cal, rms=0.150218Jy sigma=1.096909 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.207 mas, bmaj=6.58 mas, bpa=3.705 degrees ! Estimated noise=0.4484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000545981 Jy ! Component: 100 - total flux cleaned = -0.000716225 Jy ! Component: 150 - total flux cleaned = -0.000838087 Jy ! Component: 200 - total flux cleaned = -0.000971185 Jy ! Total flux subtracted in 200 components = -0.000971185 Jy ! Clean residual min=-0.003658 max=0.004729 Jy/beam ! Clean residual mean=0.000004 rms=0.001154 Jy/beam ! Combined flux in latest and established models = 0.215946 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 103 components and 0.215946 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=0.150170Jy sigma=1.097818 ! Fit after self-cal, rms=0.150312Jy sigma=1.097036 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 = -0.000314452 Jy ! Component: 100 - total flux cleaned = -0.000367388 Jy ! Component: 150 - total flux cleaned = -0.000445721 Jy ! Component: 200 - total flux cleaned = -0.000509896 Jy ! Total flux subtracted in 200 components = -0.000509896 Jy ! Clean residual min=-0.003556 max=0.004527 Jy/beam ! Clean residual mean=0.000003 rms=0.001147 Jy/beam ! Combined flux in latest and established models = 0.215436 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 114 components and 0.215436 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=0.150296Jy sigma=1.097762 ! Fit after self-cal, rms=0.150332Jy sigma=1.097469 ! 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=0.7794 mas, bmaj=2.603 mas, bpa=6.061 degrees ! Estimated noise=0.33413 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7794 x 2.603 at 6.061 degrees (North through East) ! Clean map min=-0.0030325 max=0.14654 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=0.5802 mas, bmaj=2.119 mas, bpa=8.444 degrees ! Estimated noise=0.836601 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.116475 Jy ! Component: 100 - total flux cleaned = 0.151955 Jy ! Component: 150 - total flux cleaned = 0.170018 Jy ! Component: 200 - total flux cleaned = 0.181253 Jy ! Total flux subtracted in 200 components = 0.181253 Jy ! Clean residual min=-0.007146 max=0.007302 Jy/beam ! Clean residual mean=-0.000011 rms=0.001521 Jy/beam ! Combined flux in latest and established models = 0.181253 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 30 model components to the UV plane model. ! The established model now contains 30 components and 0.181253 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7794 mas, bmaj=2.603 mas, bpa=6.061 degrees ! Estimated noise=0.33413 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 = 0.0120104 Jy ! Component: 100 - total flux cleaned = 0.0191959 Jy ! Component: 150 - total flux cleaned = 0.0238107 Jy ! Component: 200 - total flux cleaned = 0.0268671 Jy ! Total flux subtracted in 200 components = 0.0268671 Jy ! Clean residual min=-0.003894 max=0.004709 Jy/beam ! Clean residual mean=-0.000003 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.20812 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 64 components and 0.20812 Jy ! Inverting map ! Added new window around map position (1.4, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00428166 Jy ! Component: 100 - total flux cleaned = 0.00606884 Jy ! Component: 150 - total flux cleaned = 0.00669418 Jy ! Component: 200 - total flux cleaned = 0.00701673 Jy ! Total flux subtracted in 200 components = 0.00701673 Jy ! Clean residual min=-0.003182 max=0.002828 Jy/beam ! Clean residual mean=0.000000 rms=0.000692 Jy/beam ! Combined flux in latest and established models = 0.215136 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 93 components and 0.215136 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=2.207 mas, bmaj=6.58 mas, bpa=3.705 degrees ! Estimated noise=0.4484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141911 Jy ! Component: 100 - total flux cleaned = 0.00171157 Jy ! Component: 150 - total flux cleaned = 0.0019675 Jy ! Component: 200 - total flux cleaned = 0.0020822 Jy ! Total flux subtracted in 200 components = 0.0020822 Jy ! Clean residual min=-0.003565 max=0.003665 Jy/beam ! Clean residual mean=0.000004 rms=0.000987 Jy/beam ! Combined flux in latest and established models = 0.217219 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 = 0.000141806 Jy ! Component: 100 - total flux cleaned = 0.000240166 Jy ! Component: 150 - total flux cleaned = 0.000331541 Jy ! Component: 200 - total flux cleaned = 0.000417368 Jy ! Total flux subtracted in 200 components = 0.000417368 Jy ! Clean residual min=-0.003528 max=0.003569 Jy/beam ! Clean residual mean=0.000004 rms=0.000966 Jy/beam ! Combined flux in latest and established models = 0.217636 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 107 components and 0.217636 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7794 mas, bmaj=2.603 mas, bpa=6.061 degrees ! Estimated noise=0.33413 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000257539 Jy ! Component: 100 - total flux cleaned = 0.000307014 Jy ! Component: 150 - total flux cleaned = 0.00035161 Jy ! Component: 200 - total flux cleaned = 0.000431608 Jy ! Total flux subtracted in 200 components = 0.000431608 Jy ! Clean residual min=-0.002796 max=0.002760 Jy/beam ! Clean residual mean=0.000002 rms=0.000643 Jy/beam ! Combined flux in latest and established models = 0.218068 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 119 components and 0.218068 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=0.150178Jy sigma=1.093284 ! Fit after self-cal, rms=0.150188Jy sigma=1.092084 wmodel J0646-3903_X_map.mod ! Writing 119 model components to file: J0646-3903_X_map.mod wobs J0646-3903_X_uvs.fits ! Writing UV FITS file: J0646-3903_X_uvs.fits wwins J0646-3903_X_map.win ! wwins: Wrote 3 windows to J0646-3903_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 = -0.00084945 Jy ! Component: 100 - total flux cleaned = -0.00124042 Jy ! Component: 150 - total flux cleaned = -0.00160691 Jy ! Component: 200 - total flux cleaned = -0.00198943 Jy ! Component: 250 - total flux cleaned = -0.00217086 Jy ! Component: 300 - total flux cleaned = -0.00237874 Jy ! Component: 350 - total flux cleaned = -0.00261054 Jy ! Component: 400 - total flux cleaned = -0.00293005 Jy ! Component: 450 - total flux cleaned = -0.00317768 Jy ! Component: 500 - total flux cleaned = -0.00338706 Jy ! Component: 550 - total flux cleaned = -0.003591 Jy ! Component: 600 - total flux cleaned = -0.00379017 Jy ! Component: 650 - total flux cleaned = -0.0039292 Jy ! Component: 700 - total flux cleaned = -0.0040376 Jy ! Component: 750 - total flux cleaned = -0.00414406 Jy ! Component: 800 - total flux cleaned = -0.00424788 Jy ! Component: 850 - total flux cleaned = -0.00437548 Jy ! Component: 900 - total flux cleaned = -0.00445036 Jy ! Component: 950 - total flux cleaned = -0.00457272 Jy ! Component: 1000 - total flux cleaned = -0.00462048 Jy ! Component: 1050 - total flux cleaned = -0.00466764 Jy ! Component: 1100 - total flux cleaned = -0.00471384 Jy ! Component: 1150 - total flux cleaned = -0.00473668 Jy ! Component: 1200 - total flux cleaned = -0.00475916 Jy ! Component: 1250 - total flux cleaned = -0.00478146 Jy ! Component: 1300 - total flux cleaned = -0.0047819 Jy ! Component: 1350 - total flux cleaned = -0.0047818 Jy ! Component: 1400 - total flux cleaned = -0.00463246 Jy ! Component: 1450 - total flux cleaned = -0.00454829 Jy ! Component: 1500 - total flux cleaned = -0.00446513 Jy ! Component: 1550 - total flux cleaned = -0.00440328 Jy ! Component: 1600 - total flux cleaned = -0.00434229 Jy ! Component: 1650 - total flux cleaned = -0.00428165 Jy ! Component: 1700 - total flux cleaned = -0.00420172 Jy ! Component: 1750 - total flux cleaned = -0.00418208 Jy ! Component: 1800 - total flux cleaned = -0.0041431 Jy ! Component: 1850 - total flux cleaned = -0.00410419 Jy ! Component: 1900 - total flux cleaned = -0.0040082 Jy ! Component: 1950 - total flux cleaned = -0.00406573 Jy ! Component: 2000 - total flux cleaned = -0.0040279 Jy ! Component: 2050 - total flux cleaned = -0.00404677 Jy ! Component: 2100 - total flux cleaned = -0.00400969 Jy ! Component: 2150 - total flux cleaned = -0.00406509 Jy ! Component: 2200 - total flux cleaned = -0.00404686 Jy ! Component: 2250 - total flux cleaned = -0.00406488 Jy ! Component: 2300 - total flux cleaned = -0.00401102 Jy ! Component: 2350 - total flux cleaned = -0.00410027 Jy ! Component: 2400 - total flux cleaned = -0.00404699 Jy ! Component: 2450 - total flux cleaned = -0.00404704 Jy ! Component: 2500 - total flux cleaned = -0.00399455 Jy ! Component: 2550 - total flux cleaned = -0.00399461 Jy ! Component: 2600 - total flux cleaned = -0.00394289 Jy ! Component: 2650 - total flux cleaned = -0.00395998 Jy ! Component: 2700 - total flux cleaned = -0.00392609 Jy ! Component: 2750 - total flux cleaned = -0.00387542 Jy ! Component: 2800 - total flux cleaned = -0.00390879 Jy ! Component: 2850 - total flux cleaned = -0.00390888 Jy ! Component: 2900 - total flux cleaned = -0.00394191 Jy ! Component: 2950 - total flux cleaned = -0.00392549 Jy ! Component: 3000 - total flux cleaned = -0.00394181 Jy ! Component: 3050 - total flux cleaned = -0.00387686 Jy ! Component: 3100 - total flux cleaned = -0.00382852 Jy ! Component: 3150 - total flux cleaned = -0.00379656 Jy ! Component: 3200 - total flux cleaned = -0.00378064 Jy ! Component: 3250 - total flux cleaned = -0.00371724 Jy ! Component: 3300 - total flux cleaned = -0.00373302 Jy ! Component: 3350 - total flux cleaned = -0.00370154 Jy ! Component: 3400 - total flux cleaned = -0.00371716 Jy ! Component: 3450 - total flux cleaned = -0.00363959 Jy ! Component: 3500 - total flux cleaned = -0.00363962 Jy ! Component: 3550 - total flux cleaned = -0.0036089 Jy ! Component: 3600 - total flux cleaned = -0.00357825 Jy ! Component: 3650 - total flux cleaned = -0.00356303 Jy ! Component: 3700 - total flux cleaned = -0.00353261 Jy ! Component: 3750 - total flux cleaned = -0.00353265 Jy ! Component: 3800 - total flux cleaned = -0.00353258 Jy ! Component: 3850 - total flux cleaned = -0.00348761 Jy ! Component: 3900 - total flux cleaned = -0.00348764 Jy ! Component: 3950 - total flux cleaned = -0.00348765 Jy ! Component: 4000 - total flux cleaned = -0.00344303 Jy ! Component: 4050 - total flux cleaned = -0.00342832 Jy ! Total flux subtracted in 4096 components = -0.00344305 Jy ! Clean residual min=-0.000964 max=0.000888 Jy/beam ! Clean residual mean=0.000000 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.214625 Jy keep ! Adding 288 model components to the UV plane model. ! The established model now contains 407 components and 0.214625 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0646-3903_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7794 x 2.603 at 6.061 degrees (North through East) ! Clean map min=-0.0016816 max=0.14722 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0646-3903_X_map.fits wmodel /vlbi/uf001/uva//J0646-3903_X_map.mod ! Writing 407 model components to file: /vlbi/uf001/uva//J0646-3903_X_map.mod wobs /vlbi/uf001/uva//J0646-3903_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0646-3903_X_uvs.fits wwins /vlbi/uf001/uva//J0646-3903_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0646-3903_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.14722 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0002499 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.509237 0.509237 1.01847 2.03695 4.0739 8.1478 16.2956 32.5912 65.1824 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.147 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 589.116 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0646-3903_X_dfm.log closed on Sun Jan 13 23:09:24 2019