! Started logfile: /vlbi/uf001/uva//J2237+4216_X_dfm.log on Mon Jan 14 06:19:37 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//J2237+4216_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2237+4216_X_uva.fits ! AN table 1: 42 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.783069 visibilities/baseline/integration-bin. ! Found source: J2237+4216 ! ! 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 14208 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 J2237+4216_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 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006448Jy sigma=20.711105 ! Fit after self-cal, rms=0.881327Jy sigma=18.044518 ! 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=0.6571 mas, bmaj=1.186 mas, bpa=-1.419 degrees ! Estimated noise=0.580132 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 = 0.0976321 Jy ! Component: 100 - total flux cleaned = 0.118922 Jy ! Total flux subtracted in 100 components = 0.118922 Jy ! Clean residual min=-0.006532 max=0.012025 Jy/beam ! Clean residual mean=0.000001 rms=0.001806 Jy/beam ! Combined flux in latest and established models = 0.118922 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.118922 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=0.070775Jy sigma=1.354750 ! Fit after self-cal, rms=0.070677Jy sigma=1.353343 ! Inverting map ! Added new window around map position (2, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114726 Jy ! Component: 100 - total flux cleaned = 0.0137368 Jy ! Total flux subtracted in 100 components = 0.0137368 Jy ! Clean residual min=-0.006506 max=0.010497 Jy/beam ! Clean residual mean=0.000001 rms=0.001568 Jy/beam ! Combined flux in latest and established models = 0.132659 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.132659 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=0.069654Jy sigma=1.330099 ! Fit after self-cal, rms=0.069431Jy sigma=1.324453 ! Inverting map ! Added new window around map position (2.6, 12.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00838309 Jy ! Component: 100 - total flux cleaned = 0.0108894 Jy ! Total flux subtracted in 100 components = 0.0108894 Jy ! Clean residual min=-0.006170 max=0.007710 Jy/beam ! Clean residual mean=0.000000 rms=0.001422 Jy/beam ! Combined flux in latest and established models = 0.143548 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 0.143548 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=0.068769Jy sigma=1.310063 ! Fit after self-cal, rms=0.068696Jy sigma=1.307870 ! 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=0.8181 mas, bmaj=1.455 mas, bpa=-2.16 degrees ! Estimated noise=0.318474 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 = 7.45278e-05 Jy ! Component: 100 - total flux cleaned = 0.000294075 Jy ! Component: 150 - total flux cleaned = -6.70391e-06 Jy ! Component: 200 - total flux cleaned = -0.000268077 Jy ! Total flux subtracted in 200 components = -0.000268077 Jy ! Clean residual min=-0.005927 max=0.007681 Jy/beam ! Clean residual mean=0.000001 rms=0.001491 Jy/beam ! Combined flux in latest and established models = 0.14328 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 29 components and 0.14328 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=0.068473Jy sigma=1.301429 ! Fit after self-cal, rms=0.068457Jy sigma=1.300881 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8181 x 1.455 at -2.16 degrees (North through East) ! Clean map min=-0.0057036 max=0.12076 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.98 HN 0.93 KP 1.03 ! LA 0.93 MK 0.96 NL 1.17 OV 1.02 ! SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.96 HN 0.93 KP 1.06 ! LA 0.92 MK 0.99 NL 1.13 OV 1.06 ! SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.94 HN 0.94 KP 1.06 ! LA 0.93 MK 0.99 NL 1.11 OV 0.99 ! SC 0.90 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.98 HN 0.88 KP 1.06 ! LA 0.90 MK 0.99 NL 1.15 OV 1.00 ! SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 0.98 HN 0.94 KP 1.05 ! LA 0.90 MK 0.99 NL 1.07 OV 0.97 ! SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.97 HN 0.92 KP 1.01 ! LA 0.92 MK 1.03 NL 1.14 OV 0.99 ! SC 0.91 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.91 HN 0.93 KP 1.02 ! LA 0.93 MK 1.00 NL 1.15 OV 1.00 ! SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.00 HN 0.92 KP 1.02 ! LA 0.86 MK 1.01 NL 1.11 OV 0.97 ! SC 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.00 HN 0.87 KP 1.04 ! LA 0.91 MK 1.03 NL 1.13 OV 0.98 ! SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.93 HN 0.88 KP 1.06 ! LA 0.92 MK 1.00 NL 1.06 OV 0.97 ! SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 0.98 HN 0.91 KP 0.99 ! LA 0.90 MK 0.95 NL 1.10 OV 0.96 ! SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.01 HN 0.92 KP 1.02 ! LA 0.88 MK 0.96 NL 1.08 OV 0.99 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.068457Jy sigma=1.300881 ! Fit after self-cal, rms=0.068870Jy sigma=1.267226 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.807 mas, bmaj=1.447 mas, bpa=-2.063 degrees ! Estimated noise=0.315893 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 = -0.00326068 Jy ! Component: 100 - total flux cleaned = -0.00442688 Jy ! Component: 150 - total flux cleaned = -0.00486756 Jy ! Component: 200 - total flux cleaned = -0.00528241 Jy ! Total flux subtracted in 200 components = -0.00528241 Jy ! Clean residual min=-0.005015 max=0.006070 Jy/beam ! Clean residual mean=0.000000 rms=0.001261 Jy/beam ! Combined flux in latest and established models = 0.137998 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 41 components and 0.137998 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=0.068702Jy sigma=1.263467 ! Fit after self-cal, rms=0.068817Jy sigma=1.262515 ! 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=0.068817Jy sigma=1.262515 ! Fit after self-cal, rms=0.073787Jy sigma=1.198572 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8069 mas, bmaj=1.445 mas, bpa=-1.694 degrees ! Estimated noise=0.319785 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00358355 Jy ! Component: 100 - total flux cleaned = -0.00472216 Jy ! Component: 150 - total flux cleaned = -0.00529807 Jy ! Component: 200 - total flux cleaned = -0.00564728 Jy ! Total flux subtracted in 200 components = -0.00564728 Jy ! Clean residual min=-0.002422 max=0.002039 Jy/beam ! Clean residual mean=0.000000 rms=0.000511 Jy/beam ! Combined flux in latest and established models = 0.132351 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 53 components and 0.132351 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=0.073574Jy sigma=1.193397 ! Fit after self-cal, rms=0.073732Jy sigma=1.192062 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 = -0.000885561 Jy ! Component: 100 - total flux cleaned = -0.00117944 Jy ! Component: 150 - total flux cleaned = -0.0012824 Jy ! Component: 200 - total flux cleaned = -0.0013123 Jy ! Total flux subtracted in 200 components = -0.0013123 Jy ! Clean residual min=-0.002279 max=0.002123 Jy/beam ! Clean residual mean=0.000000 rms=0.000488 Jy/beam ! Combined flux in latest and established models = 0.131038 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 59 components and 0.131038 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=0.073694Jy sigma=1.190997 ! Fit after self-cal, rms=0.073682Jy sigma=1.190916 ! 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=0.073682Jy sigma=1.190916 ! Fit after self-cal, rms=0.074912Jy sigma=1.189256 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8043 mas, bmaj=1.443 mas, bpa=-1.532 degrees ! Estimated noise=0.319686 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00195064 Jy ! Component: 100 - total flux cleaned = -0.00263401 Jy ! Component: 150 - total flux cleaned = -0.00267427 Jy ! Component: 200 - total flux cleaned = -0.00270474 Jy ! Total flux subtracted in 200 components = -0.00270474 Jy ! Clean residual min=-0.001918 max=0.001687 Jy/beam ! Clean residual mean=0.000000 rms=0.000424 Jy/beam ! Combined flux in latest and established models = 0.128333 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 0.128333 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=0.074842Jy sigma=1.187826 ! Fit after self-cal, rms=0.074847Jy sigma=1.187656 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 = -0.000525983 Jy ! Component: 100 - total flux cleaned = -0.000606057 Jy ! Component: 150 - total flux cleaned = -0.000627161 Jy ! Component: 200 - total flux cleaned = -0.000645298 Jy ! Total flux subtracted in 200 components = -0.000645298 Jy ! Clean residual min=-0.001818 max=0.001687 Jy/beam ! Clean residual mean=0.000000 rms=0.000415 Jy/beam ! Combined flux in latest and established models = 0.127688 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 61 components and 0.127688 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=0.074830Jy sigma=1.187280 ! Fit after self-cal, rms=0.074825Jy sigma=1.187252 ! 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=0.074825Jy sigma=1.187252 ! Fit after self-cal, rms=0.075374Jy sigma=1.186672 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.876 mas, bmaj=2.404 mas, bpa=-0.1753 degrees ! Estimated noise=0.444311 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0015277 Jy ! Component: 100 - total flux cleaned = -0.00193366 Jy ! Component: 150 - total flux cleaned = -0.00224419 Jy ! Component: 200 - total flux cleaned = -0.00247092 Jy ! Total flux subtracted in 200 components = -0.00247092 Jy ! Clean residual min=-0.002257 max=0.002220 Jy/beam ! Clean residual mean=0.000001 rms=0.000591 Jy/beam ! Combined flux in latest and established models = 0.125217 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 72 components and 0.125217 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=0.075367Jy sigma=1.186729 ! Fit after self-cal, rms=0.075371Jy sigma=1.186641 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 = -0.000267273 Jy ! Component: 100 - total flux cleaned = -0.000430186 Jy ! Component: 150 - total flux cleaned = -0.00057602 Jy ! Component: 200 - total flux cleaned = -0.00069433 Jy ! Total flux subtracted in 200 components = -0.00069433 Jy ! Clean residual min=-0.002229 max=0.002182 Jy/beam ! Clean residual mean=0.000001 rms=0.000583 Jy/beam ! Combined flux in latest and established models = 0.124523 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 72 components and 0.124523 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=0.075377Jy sigma=1.186880 ! Fit after self-cal, rms=0.075376Jy sigma=1.186864 ! 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=0.8019 mas, bmaj=1.44 mas, bpa=-1.43 degrees ! Estimated noise=0.319344 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8019 x 1.44 at -1.43 degrees (North through East) ! Clean map min=-0.0014893 max=0.12272 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=0.6454 mas, bmaj=1.173 mas, bpa=-0.7339 degrees ! Estimated noise=0.575733 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0969165 Jy ! Component: 100 - total flux cleaned = 0.118051 Jy ! Component: 150 - total flux cleaned = 0.124153 Jy ! Component: 200 - total flux cleaned = 0.126874 Jy ! Total flux subtracted in 200 components = 0.126874 Jy ! Clean residual min=-0.003102 max=0.002931 Jy/beam ! Clean residual mean=0.000000 rms=0.000730 Jy/beam ! Combined flux in latest and established models = 0.126874 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.126874 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8019 mas, bmaj=1.44 mas, bpa=-1.43 degrees ! Estimated noise=0.319344 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 = 0.00106208 Jy ! Component: 100 - total flux cleaned = 0.00104875 Jy ! Component: 150 - total flux cleaned = 0.000964296 Jy ! Component: 200 - total flux cleaned = 0.000852215 Jy ! Total flux subtracted in 200 components = 0.000852215 Jy ! Clean residual min=-0.001655 max=0.001607 Jy/beam ! Clean residual mean=0.000000 rms=0.000401 Jy/beam ! Combined flux in latest and established models = 0.127726 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 0.127726 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=1.876 mas, bmaj=2.404 mas, bpa=-0.1753 degrees ! Estimated noise=0.444311 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00134266 Jy ! Component: 100 - total flux cleaned = -0.00179403 Jy ! Component: 150 - total flux cleaned = -0.00206744 Jy ! Component: 200 - total flux cleaned = -0.00227589 Jy ! Total flux subtracted in 200 components = -0.00227589 Jy ! Clean residual min=-0.002383 max=0.002090 Jy/beam ! Clean residual mean=0.000001 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.12545 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 = -0.000121471 Jy ! Component: 100 - total flux cleaned = -0.000230125 Jy ! Component: 150 - total flux cleaned = -0.000327208 Jy ! Component: 200 - total flux cleaned = -0.000414567 Jy ! Total flux subtracted in 200 components = -0.000414567 Jy ! Clean residual min=-0.002336 max=0.002095 Jy/beam ! Clean residual mean=0.000001 rms=0.000584 Jy/beam ! Combined flux in latest and established models = 0.125035 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 38 components and 0.125035 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8019 mas, bmaj=1.44 mas, bpa=-1.43 degrees ! Estimated noise=0.319344 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000972496 Jy ! Component: 100 - total flux cleaned = 0.00101256 Jy ! Component: 150 - total flux cleaned = 0.00098637 Jy ! Component: 200 - total flux cleaned = 0.000961627 Jy ! Total flux subtracted in 200 components = 0.000961627 Jy ! Clean residual min=-0.001648 max=0.001612 Jy/beam ! Clean residual mean=0.000000 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.125997 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 44 components and 0.125997 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=0.075342Jy sigma=1.186195 ! Fit after self-cal, rms=0.075320Jy sigma=1.186051 wmodel J2237+4216_X_map.mod ! Writing 44 model components to file: J2237+4216_X_map.mod wobs J2237+4216_X_uvs.fits ! Writing UV FITS file: J2237+4216_X_uvs.fits wwins J2237+4216_X_map.win ! wwins: Wrote 3 windows to J2237+4216_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 = -0.000183112 Jy ! Component: 100 - total flux cleaned = -0.000324612 Jy ! Component: 150 - total flux cleaned = -0.000299109 Jy ! Component: 200 - total flux cleaned = -0.000222142 Jy ! Component: 250 - total flux cleaned = -0.000171919 Jy ! Component: 300 - total flux cleaned = -7.46158e-05 Jy ! Component: 350 - total flux cleaned = -2.72482e-05 Jy ! Component: 400 - total flux cleaned = 6.59741e-05 Jy ! Component: 450 - total flux cleaned = 0.000180311 Jy ! Component: 500 - total flux cleaned = 0.000248224 Jy ! Component: 550 - total flux cleaned = 0.000358794 Jy ! Component: 600 - total flux cleaned = 0.000467741 Jy ! Component: 650 - total flux cleaned = 0.000510163 Jy ! Component: 700 - total flux cleaned = 0.000594375 Jy ! Component: 750 - total flux cleaned = 0.00063572 Jy ! Component: 800 - total flux cleaned = 0.000676233 Jy ! Component: 850 - total flux cleaned = 0.000696547 Jy ! Component: 900 - total flux cleaned = 0.000776229 Jy ! Component: 950 - total flux cleaned = 0.000835115 Jy ! Component: 1000 - total flux cleaned = 0.000893252 Jy ! Component: 1050 - total flux cleaned = 0.000950401 Jy ! Component: 1100 - total flux cleaned = 0.000988034 Jy ! Component: 1150 - total flux cleaned = 0.00106274 Jy ! Component: 1200 - total flux cleaned = 0.00108088 Jy ! Component: 1250 - total flux cleaned = 0.00117201 Jy ! Component: 1300 - total flux cleaned = 0.00120807 Jy ! Component: 1350 - total flux cleaned = 0.00126166 Jy ! Component: 1400 - total flux cleaned = 0.00126132 Jy ! Component: 1450 - total flux cleaned = 0.00133122 Jy ! Component: 1500 - total flux cleaned = 0.00134844 Jy ! Component: 1550 - total flux cleaned = 0.00138254 Jy ! Component: 1600 - total flux cleaned = 0.00138266 Jy ! Component: 1650 - total flux cleaned = 0.00139923 Jy ! Component: 1700 - total flux cleaned = 0.00134944 Jy ! Component: 1750 - total flux cleaned = 0.00139889 Jy ! Component: 1800 - total flux cleaned = 0.00138268 Jy ! Component: 1850 - total flux cleaned = 0.00141501 Jy ! Component: 1900 - total flux cleaned = 0.00143096 Jy ! Component: 1950 - total flux cleaned = 0.00149454 Jy ! Component: 2000 - total flux cleaned = 0.00155748 Jy ! Component: 2050 - total flux cleaned = 0.00160429 Jy ! Component: 2100 - total flux cleaned = 0.00168157 Jy ! Component: 2150 - total flux cleaned = 0.00174305 Jy ! Component: 2200 - total flux cleaned = 0.00166688 Jy ! Component: 2250 - total flux cleaned = 0.00175728 Jy ! Component: 2300 - total flux cleaned = 0.00174244 Jy ! Component: 2350 - total flux cleaned = 0.00175714 Jy ! Component: 2400 - total flux cleaned = 0.00186015 Jy ! Component: 2450 - total flux cleaned = 0.00183102 Jy ! Component: 2500 - total flux cleaned = 0.00178747 Jy ! Component: 2550 - total flux cleaned = 0.00178755 Jy ! Component: 2600 - total flux cleaned = 0.00183052 Jy ! Component: 2650 - total flux cleaned = 0.00180211 Jy ! Component: 2700 - total flux cleaned = 0.00181595 Jy ! Component: 2750 - total flux cleaned = 0.00174602 Jy ! Component: 2800 - total flux cleaned = 0.00181542 Jy ! Component: 2850 - total flux cleaned = 0.00178796 Jy ! Component: 2900 - total flux cleaned = 0.0017604 Jy ! Component: 2950 - total flux cleaned = 0.0017877 Jy ! Component: 3000 - total flux cleaned = 0.00178777 Jy ! Component: 3050 - total flux cleaned = 0.0018145 Jy ! Component: 3100 - total flux cleaned = 0.00181442 Jy ! Component: 3150 - total flux cleaned = 0.00178806 Jy ! Component: 3200 - total flux cleaned = 0.00176175 Jy ! Component: 3250 - total flux cleaned = 0.00177481 Jy ! Component: 3300 - total flux cleaned = 0.0017358 Jy ! Component: 3350 - total flux cleaned = 0.00176166 Jy ! Component: 3400 - total flux cleaned = 0.00178721 Jy ! Component: 3450 - total flux cleaned = 0.0017363 Jy ! Component: 3500 - total flux cleaned = 0.00171103 Jy ! Component: 3550 - total flux cleaned = 0.00168605 Jy ! Component: 3600 - total flux cleaned = 0.00168602 Jy ! Component: 3650 - total flux cleaned = 0.00167347 Jy ! Component: 3700 - total flux cleaned = 0.00169824 Jy ! Component: 3750 - total flux cleaned = 0.0016245 Jy ! Component: 3800 - total flux cleaned = 0.00156352 Jy ! Component: 3850 - total flux cleaned = 0.00158794 Jy ! Component: 3900 - total flux cleaned = 0.00157584 Jy ! Component: 3950 - total flux cleaned = 0.0015279 Jy ! Component: 4000 - total flux cleaned = 0.00151616 Jy ! Component: 4050 - total flux cleaned = 0.00152803 Jy ! Total flux subtracted in 4096 components = 0.0015043 Jy ! Clean residual min=-0.000826 max=0.000756 Jy/beam ! Clean residual mean=0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.127501 Jy keep ! Adding 318 model components to the UV plane model. ! The established model now contains 362 components and 0.127501 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2237+4216_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8019 x 1.44 at -1.43 degrees (North through East) ! Clean map min=-0.0011726 max=0.12316 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2237+4216_X_map.fits wmodel /vlbi/uf001/uva//J2237+4216_X_map.mod ! Writing 362 model components to file: /vlbi/uf001/uva//J2237+4216_X_map.mod wobs /vlbi/uf001/uva//J2237+4216_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2237+4216_X_uvs.fits wwins /vlbi/uf001/uva//J2237+4216_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J2237+4216_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.12316 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000201518 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.49087 0.49087 0.98174 1.96348 3.92696 7.85392 15.7078 31.4157 62.8314 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.123 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 611.159 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2237+4216_X_dfm.log closed on Mon Jan 14 06:19:41 2019