! Started logfile: /vlbi/uf001/uva//J1900+2722_X_dfm.log on Mon Jan 14 04:54:15 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//J1900+2722_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1900+2722_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.916959 visibilities/baseline/integration-bin. ! Found source: J1900+2722 ! ! 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 28224 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 J1900+2722_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 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004191Jy sigma=27.345189 ! Fit after self-cal, rms=0.912769Jy sigma=24.844305 ! 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=0.71 mas, bmaj=1.439 mas, bpa=-4.567 degrees ! Estimated noise=0.30247 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 = 0.0672856 Jy ! Component: 100 - total flux cleaned = 0.0835364 Jy ! Total flux subtracted in 100 components = 0.0835364 Jy ! Clean residual min=-0.002773 max=0.006400 Jy/beam ! Clean residual mean=-0.000001 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.0835364 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0835364 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=0.052489Jy sigma=1.354685 ! Fit after self-cal, rms=0.052421Jy sigma=1.352832 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00664402 Jy ! Component: 100 - total flux cleaned = 0.00982807 Jy ! Total flux subtracted in 100 components = 0.00982807 Jy ! Clean residual min=-0.002584 max=0.003383 Jy/beam ! Clean residual mean=-0.000002 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.0933644 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 0.0933644 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=0.051560Jy sigma=1.327848 ! Fit after self-cal, rms=0.051560Jy sigma=1.327668 ! Inverting map ! Added new window around map position (-4, -4.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00299817 Jy ! Component: 100 - total flux cleaned = 0.00425609 Jy ! Total flux subtracted in 100 components = 0.00425609 Jy ! Clean residual min=-0.002487 max=0.002787 Jy/beam ! Clean residual mean=-0.000002 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.0976205 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.0976205 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=0.051353Jy sigma=1.321977 ! Fit after self-cal, rms=0.051342Jy sigma=1.321675 ! 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=0.8929 mas, bmaj=1.743 mas, bpa=-4.401 degrees ! Estimated noise=0.158245 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.2, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348602 Jy ! Component: 100 - total flux cleaned = 0.0058032 Jy ! Component: 150 - total flux cleaned = 0.00754717 Jy ! Component: 200 - total flux cleaned = 0.00888773 Jy ! Total flux subtracted in 200 components = 0.00888773 Jy ! Clean residual min=-0.002383 max=0.002234 Jy/beam ! Clean residual mean=-0.000001 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.106508 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 41 components and 0.106508 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=0.051064Jy sigma=1.312821 ! Fit after self-cal, rms=0.051029Jy sigma=1.311995 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8929 x 1.743 at -4.401 degrees (North through East) ! Clean map min=-0.0021182 max=0.087023 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.95 KP 1.00 ! LA 1.01 MK 0.98 NL 1.08 OV 0.94 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.95 KP 1.07 ! LA 1.00 MK 0.97 NL 1.08 OV 0.94 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.97 KP 1.03 ! LA 1.00 MK 1.01 NL 1.09 OV 0.91 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 0.97 KP 1.04 ! LA 0.97 MK 1.04 NL 1.09 OV 0.92 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.97 KP 1.05 ! LA 1.00 MK 0.99 NL 1.09 OV 0.91 ! PT 0.95 SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 0.95 KP 1.03 ! LA 0.99 MK 1.01 NL 1.09 OV 0.89 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.97 HN 0.95 KP 1.06 ! LA 0.98 MK 0.99 NL 1.08 OV 0.91 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.96 KP 1.09 ! LA 1.01 MK 1.00 NL 1.08 OV 0.90 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.96 KP 1.02 ! LA 0.96 MK 1.00 NL 1.11 OV 0.93 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.02 HN 0.95 KP 1.02 ! LA 0.99 MK 1.02 NL 1.10 OV 0.90 ! PT 0.90 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.96 KP 1.05 ! LA 1.01 MK 0.99 NL 1.12 OV 0.91 ! PT 0.93 SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 1.01 KP 1.01 ! LA 1.01 MK 0.98 NL 1.06 OV 0.93 ! PT 0.96 SC 0.97 ! ! ! Fit before self-cal, rms=0.051029Jy sigma=1.311995 ! Fit after self-cal, rms=0.050008Jy sigma=1.297821 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8882 mas, bmaj=1.745 mas, bpa=-4.125 degrees ! Estimated noise=0.157138 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 (-3.2, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015482 Jy ! Component: 100 - total flux cleaned = 0.00223736 Jy ! Component: 150 - total flux cleaned = 0.00254223 Jy ! Component: 200 - total flux cleaned = 0.00271571 Jy ! Total flux subtracted in 200 components = 0.00271571 Jy ! Clean residual min=-0.001117 max=0.000994 Jy/beam ! Clean residual mean=-0.000000 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.109224 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 66 components and 0.109224 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=0.049945Jy sigma=1.295963 ! Fit after self-cal, rms=0.049967Jy sigma=1.295665 ! 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=0.049967Jy sigma=1.295665 ! Fit after self-cal, rms=0.049919Jy sigma=1.291720 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8865 mas, bmaj=1.743 mas, bpa=-4.23 degrees ! Estimated noise=0.157149 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000513749 Jy ! Component: 100 - total flux cleaned = 0.000702734 Jy ! Component: 150 - total flux cleaned = 0.000841601 Jy ! Component: 200 - total flux cleaned = 0.000922593 Jy ! Total flux subtracted in 200 components = 0.000922593 Jy ! Clean residual min=-0.000921 max=0.000890 Jy/beam ! Clean residual mean=-0.000000 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.110147 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 79 components and 0.110147 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=0.049895Jy sigma=1.291089 ! Fit after self-cal, rms=0.049900Jy sigma=1.291010 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 = 6.54748e-05 Jy ! Component: 100 - total flux cleaned = 4.74581e-05 Jy ! Component: 150 - total flux cleaned = 1.55976e-05 Jy ! Component: 200 - total flux cleaned = 7.03273e-07 Jy ! Total flux subtracted in 200 components = 7.03273e-07 Jy ! Clean residual min=-0.000917 max=0.000898 Jy/beam ! Clean residual mean=-0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.110147 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 92 components and 0.110147 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=0.049889Jy sigma=1.290752 ! Fit after self-cal, rms=0.049889Jy sigma=1.290732 ! 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=0.049889Jy sigma=1.290732 ! Fit after self-cal, rms=0.049896Jy sigma=1.290621 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8854 mas, bmaj=1.743 mas, bpa=-4.248 degrees ! Estimated noise=0.157234 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000103632 Jy ! Component: 100 - total flux cleaned = 0.000135598 Jy ! Component: 150 - total flux cleaned = 0.000178077 Jy ! Component: 200 - total flux cleaned = 0.000177864 Jy ! Total flux subtracted in 200 components = 0.000177864 Jy ! Clean residual min=-0.000869 max=0.000874 Jy/beam ! Clean residual mean=-0.000000 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.110325 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 99 components and 0.110325 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=0.049886Jy sigma=1.290384 ! Fit after self-cal, rms=0.049886Jy sigma=1.290364 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 (-2.4, 5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000370268 Jy ! Component: 100 - total flux cleaned = 0.00040961 Jy ! Component: 150 - total flux cleaned = 0.000378514 Jy ! Component: 200 - total flux cleaned = 0.000379 Jy ! Total flux subtracted in 200 components = 0.000379 Jy ! Clean residual min=-0.000800 max=0.000804 Jy/beam ! Clean residual mean=-0.000000 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.110704 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 114 components and 0.110704 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=0.049869Jy sigma=1.289912 ! Fit after self-cal, rms=0.049869Jy sigma=1.289889 ! 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=0.049869Jy sigma=1.289889 ! Fit after self-cal, rms=0.049871Jy sigma=1.289857 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.028 mas, bmaj=2.676 mas, bpa=-3.439 degrees ! Estimated noise=0.200864 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.99636e-05 Jy ! Component: 100 - total flux cleaned = 0.000125774 Jy ! Component: 150 - total flux cleaned = 0.000125677 Jy ! Component: 200 - total flux cleaned = 0.000114591 Jy ! Total flux subtracted in 200 components = 0.000114591 Jy ! Clean residual min=-0.000954 max=0.000892 Jy/beam ! Clean residual mean=0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.110819 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 124 components and 0.110819 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=0.049867Jy sigma=1.289743 ! Fit after self-cal, rms=0.049867Jy sigma=1.289739 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 = 4.43073e-05 Jy ! Component: 100 - total flux cleaned = 2.62641e-05 Jy ! Component: 150 - total flux cleaned = 9.8643e-06 Jy ! Component: 200 - total flux cleaned = -1.2529e-05 Jy ! Total flux subtracted in 200 components = -1.2529e-05 Jy ! Clean residual min=-0.000944 max=0.000891 Jy/beam ! Clean residual mean=0.000001 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.110806 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 136 components and 0.110806 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=0.049866Jy sigma=1.289707 ! Fit after self-cal, rms=0.049866Jy sigma=1.289704 ! 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=0.8848 mas, bmaj=1.743 mas, bpa=-4.272 degrees ! Estimated noise=0.157285 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8848 x 1.743 at -4.272 degrees (North through East) ! Clean map min=-0.00071064 max=0.086478 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=0.7033 mas, bmaj=1.438 mas, bpa=-4.534 degrees ! Estimated noise=0.299554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0665656 Jy ! Component: 100 - total flux cleaned = 0.0832656 Jy ! Component: 150 - total flux cleaned = 0.0904718 Jy ! Component: 200 - total flux cleaned = 0.0945245 Jy ! Total flux subtracted in 200 components = 0.0945245 Jy ! Clean residual min=-0.001859 max=0.002042 Jy/beam ! Clean residual mean=-0.000001 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.0945244 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0945244 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8848 mas, bmaj=1.743 mas, bpa=-4.272 degrees ! Estimated noise=0.157285 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 = 0.00352898 Jy ! Component: 100 - total flux cleaned = 0.00602171 Jy ! Component: 150 - total flux cleaned = 0.00790247 Jy ! Component: 200 - total flux cleaned = 0.00938808 Jy ! Total flux subtracted in 200 components = 0.00938808 Jy ! Clean residual min=-0.001134 max=0.000995 Jy/beam ! Clean residual mean=-0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.103913 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 52 components and 0.103913 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=2.028 mas, bmaj=2.676 mas, bpa=-3.439 degrees ! Estimated noise=0.200864 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00211261 Jy ! Component: 100 - total flux cleaned = 0.00344083 Jy ! Component: 150 - total flux cleaned = 0.00439529 Jy ! Component: 200 - total flux cleaned = 0.00497406 Jy ! Total flux subtracted in 200 components = 0.00497406 Jy ! Clean residual min=-0.001060 max=0.001084 Jy/beam ! Clean residual mean=-0.000000 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.108887 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) ! Added new window around map position (50.4, 35.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000810255 Jy ! Component: 100 - total flux cleaned = 0.00120737 Jy ! Component: 150 - total flux cleaned = 0.00151551 Jy ! Component: 200 - total flux cleaned = 0.00173033 Jy ! Total flux subtracted in 200 components = 0.00173033 Jy ! Clean residual min=-0.000990 max=0.000822 Jy/beam ! Clean residual mean=-0.000000 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.110617 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 117 components and 0.110617 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8848 mas, bmaj=1.743 mas, bpa=-4.272 degrees ! Estimated noise=0.157285 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00026231 Jy ! Component: 100 - total flux cleaned = 0.000440987 Jy ! Component: 150 - total flux cleaned = 0.000494724 Jy ! Component: 200 - total flux cleaned = 0.00054448 Jy ! Total flux subtracted in 200 components = 0.00054448 Jy ! Clean residual min=-0.000936 max=0.000847 Jy/beam ! Clean residual mean=-0.000000 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.111161 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 141 components and 0.111161 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=0.049877Jy sigma=1.289953 ! Fit after self-cal, rms=0.049875Jy sigma=1.289798 wmodel J1900+2722_X_map.mod ! Writing 141 model components to file: J1900+2722_X_map.mod wobs J1900+2722_X_uvs.fits ! Writing UV FITS file: J1900+2722_X_uvs.fits wwins J1900+2722_X_map.win ! wwins: Wrote 6 windows to J1900+2722_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 = -0.000145717 Jy ! Component: 100 - total flux cleaned = -0.000103883 Jy ! Component: 150 - total flux cleaned = -2.09431e-05 Jy ! Component: 200 - total flux cleaned = 4.56408e-05 Jy ! Component: 250 - total flux cleaned = 8.45126e-05 Jy ! Component: 300 - total flux cleaned = 0.000122343 Jy ! Component: 350 - total flux cleaned = 0.000159353 Jy ! Component: 400 - total flux cleaned = 0.000159201 Jy ! Component: 450 - total flux cleaned = 0.000135556 Jy ! Component: 500 - total flux cleaned = 0.000112289 Jy ! Component: 550 - total flux cleaned = 0.000112354 Jy ! Component: 600 - total flux cleaned = 0.000123533 Jy ! Component: 650 - total flux cleaned = 9.0092e-05 Jy ! Component: 700 - total flux cleaned = 0.000134277 Jy ! Component: 750 - total flux cleaned = 0.000166868 Jy ! Component: 800 - total flux cleaned = 0.000220463 Jy ! Component: 850 - total flux cleaned = 0.000251946 Jy ! Component: 900 - total flux cleaned = 0.000272669 Jy ! Component: 950 - total flux cleaned = 0.000313941 Jy ! Component: 1000 - total flux cleaned = 0.000375106 Jy ! Component: 1050 - total flux cleaned = 0.00037498 Jy ! Component: 1100 - total flux cleaned = 0.000395121 Jy ! Component: 1150 - total flux cleaned = 0.000395183 Jy ! Component: 1200 - total flux cleaned = 0.000453803 Jy ! Component: 1250 - total flux cleaned = 0.000434507 Jy ! Component: 1300 - total flux cleaned = 0.000482349 Jy ! Component: 1350 - total flux cleaned = 0.000482402 Jy ! Component: 1400 - total flux cleaned = 0.000501342 Jy ! Component: 1450 - total flux cleaned = 0.00052937 Jy ! Component: 1500 - total flux cleaned = 0.000538514 Jy ! Component: 1550 - total flux cleaned = 0.000520229 Jy ! Component: 1600 - total flux cleaned = 0.000556421 Jy ! Component: 1650 - total flux cleaned = 0.000520474 Jy ! Component: 1700 - total flux cleaned = 0.000511713 Jy ! Component: 1750 - total flux cleaned = 0.000538161 Jy ! Component: 1800 - total flux cleaned = 0.00053812 Jy ! Component: 1850 - total flux cleaned = 0.000538001 Jy ! Component: 1900 - total flux cleaned = 0.000537968 Jy ! Component: 1950 - total flux cleaned = 0.000537913 Jy ! Component: 2000 - total flux cleaned = 0.000495359 Jy ! Component: 2050 - total flux cleaned = 0.000503899 Jy ! Component: 2100 - total flux cleaned = 0.000503989 Jy ! Component: 2150 - total flux cleaned = 0.000495684 Jy ! Component: 2200 - total flux cleaned = 0.000520466 Jy ! Component: 2250 - total flux cleaned = 0.000536902 Jy ! Component: 2300 - total flux cleaned = 0.000520672 Jy ! Component: 2350 - total flux cleaned = 0.000520726 Jy ! Component: 2400 - total flux cleaned = 0.000512744 Jy ! Component: 2450 - total flux cleaned = 0.000512768 Jy ! Component: 2500 - total flux cleaned = 0.000512729 Jy ! Component: 2550 - total flux cleaned = 0.000512836 Jy ! Component: 2600 - total flux cleaned = 0.000536374 Jy ! Component: 2650 - total flux cleaned = 0.000544215 Jy ! Component: 2700 - total flux cleaned = 0.000536461 Jy ! Component: 2750 - total flux cleaned = 0.000528743 Jy ! Component: 2800 - total flux cleaned = 0.000559328 Jy ! Component: 2850 - total flux cleaned = 0.000528762 Jy ! Component: 2900 - total flux cleaned = 0.000528694 Jy ! Component: 2950 - total flux cleaned = 0.000498481 Jy ! Component: 3000 - total flux cleaned = 0.00054343 Jy ! Component: 3050 - total flux cleaned = 0.000521107 Jy ! Component: 3100 - total flux cleaned = 0.00051371 Jy ! Component: 3150 - total flux cleaned = 0.000521155 Jy ! Component: 3200 - total flux cleaned = 0.000521209 Jy ! Component: 3250 - total flux cleaned = 0.000506696 Jy ! Component: 3300 - total flux cleaned = 0.000550239 Jy ! Component: 3350 - total flux cleaned = 0.000550271 Jy ! Component: 3400 - total flux cleaned = 0.00059331 Jy ! Component: 3450 - total flux cleaned = 0.000586183 Jy ! Component: 3500 - total flux cleaned = 0.000621662 Jy ! Component: 3550 - total flux cleaned = 0.00064282 Jy ! Component: 3600 - total flux cleaned = 0.000635768 Jy ! Component: 3650 - total flux cleaned = 0.00063581 Jy ! Component: 3700 - total flux cleaned = 0.000656643 Jy ! Component: 3750 - total flux cleaned = 0.000670539 Jy ! Component: 3800 - total flux cleaned = 0.000663625 Jy ! Component: 3850 - total flux cleaned = 0.000684155 Jy ! Component: 3900 - total flux cleaned = 0.000704566 Jy ! Component: 3950 - total flux cleaned = 0.000663826 Jy ! Component: 4000 - total flux cleaned = 0.000684082 Jy ! Component: 4050 - total flux cleaned = 0.000684124 Jy ! Total flux subtracted in 4096 components = 0.000697488 Jy ! Clean residual min=-0.000425 max=0.000374 Jy/beam ! Clean residual mean=-0.000000 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.111859 Jy keep ! Adding 318 model components to the UV plane model. ! The established model now contains 459 components and 0.111859 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1900+2722_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8848 x 1.743 at -4.272 degrees (North through East) ! Clean map min=-0.00054956 max=0.086206 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1900+2722_X_map.fits wmodel /vlbi/uf001/uva//J1900+2722_X_map.mod ! Writing 459 model components to file: /vlbi/uf001/uva//J1900+2722_X_map.mod wobs /vlbi/uf001/uva//J1900+2722_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1900+2722_X_uvs.fits wwins /vlbi/uf001/uva//J1900+2722_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J1900+2722_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0862058 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000113754 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.395869 0.395869 0.791738 1.58348 3.16695 6.3339 12.6678 25.3356 50.6712 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.086 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 757.826 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1900+2722_X_dfm.log closed on Mon Jan 14 04:54:21 2019