! Started logfile: /vlbi/uf001/uva//J1933+6540_X_dfm.log on Mon Jan 14 05:08:06 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//J1933+6540_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1933+6540_X_uva.fits ! AN table 1: 76 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.916082 visibilities/baseline/integration-bin. ! Found source: J1933+6540 ! ! 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 37596 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 J1933+6540_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 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.165577Jy sigma=21.967589 ! Fit after self-cal, rms=0.438216Jy sigma=7.951779 ! 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=0.7745 mas, bmaj=0.9074 mas, bpa=-26.51 degrees ! Estimated noise=0.429677 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 = 0.449544 Jy ! Component: 100 - total flux cleaned = 0.548419 Jy ! Total flux subtracted in 100 components = 0.548419 Jy ! Clean residual min=-0.018050 max=0.033251 Jy/beam ! Clean residual mean=0.000048 rms=0.004395 Jy/beam ! Combined flux in latest and established models = 0.548419 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.548419 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=0.146035Jy sigma=2.823970 ! Fit after self-cal, rms=0.146035Jy sigma=2.823867 ! Inverting map ! Added new window around map position (1, -2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0364109 Jy ! Component: 100 - total flux cleaned = 0.0585076 Jy ! Total flux subtracted in 100 components = 0.0585076 Jy ! Clean residual min=-0.020253 max=0.029696 Jy/beam ! Clean residual mean=0.000042 rms=0.003939 Jy/beam ! Combined flux in latest and established models = 0.606927 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.606927 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=0.135095Jy sigma=2.564345 ! Fit after self-cal, rms=0.134753Jy sigma=2.556862 ! Inverting map ! Added new window around map position (-0.8, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0244527 Jy ! Component: 100 - total flux cleaned = 0.0397632 Jy ! Total flux subtracted in 100 components = 0.0397632 Jy ! Clean residual min=-0.019574 max=0.021775 Jy/beam ! Clean residual mean=0.000037 rms=0.003710 Jy/beam ! Combined flux in latest and established models = 0.64669 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 0.64669 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=0.129515Jy sigma=2.440701 ! Fit after self-cal, rms=0.129381Jy sigma=2.438276 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.046 mas, bmaj=1.167 mas, bpa=-20.48 degrees ! Estimated noise=0.200267 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 (0.6, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0294567 Jy ! Component: 100 - total flux cleaned = 0.047458 Jy ! Component: 150 - total flux cleaned = 0.060976 Jy ! Component: 200 - total flux cleaned = 0.0676948 Jy ! Total flux subtracted in 200 components = 0.0676948 Jy ! Clean residual min=-0.020673 max=0.025088 Jy/beam ! Clean residual mean=0.000030 rms=0.004395 Jy/beam ! Combined flux in latest and established models = 0.714385 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 46 components and 0.714385 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=0.122376Jy sigma=2.266628 ! Fit after self-cal, rms=0.121767Jy sigma=2.252953 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.046 x 1.167 at -20.48 degrees (North through East) ! Clean map min=-0.019172 max=0.5777 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.07 HN 0.97 KP 1.11 ! LA 0.80 MK 1.02 NL 1.13 OV 0.94 ! PT 0.98 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.08 HN 0.98 KP 1.10 ! LA 0.81 MK 1.02 NL 1.12 OV 0.94 ! PT 0.98 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.09 HN 0.96 KP 1.10 ! LA 0.80 MK 1.04 NL 1.14 OV 0.93 ! PT 0.98 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.08 HN 0.96 KP 1.10 ! LA 0.81 MK 1.02 NL 1.12 OV 0.93 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.08 HN 0.96 KP 1.08 ! LA 0.81 MK 1.02 NL 1.14 OV 0.93 ! PT 0.98 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.07 HN 0.97 KP 1.10 ! LA 0.79 MK 1.03 NL 1.13 OV 0.92 ! PT 0.96 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.07 HN 0.98 KP 1.09 ! LA 0.79 MK 1.02 NL 1.14 OV 0.92 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.08 HN 0.97 KP 1.08 ! LA 0.79 MK 1.02 NL 1.12 OV 0.92 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.08 HN 0.97 KP 1.09 ! LA 0.80 MK 1.02 NL 1.14 OV 0.92 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.06 HN 0.98 KP 1.11 ! LA 0.80 MK 1.02 NL 1.10 OV 0.93 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.08 HN 0.96 KP 1.08 ! LA 0.80 MK 1.03 NL 1.12 OV 0.91 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.08 HN 0.96 KP 1.10 ! LA 0.81 MK 1.02 NL 1.14 OV 0.92 ! PT 0.98 SC 0.98 ! ! ! Fit before self-cal, rms=0.121767Jy sigma=2.252953 ! Fit after self-cal, rms=0.088644Jy sigma=1.478144 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.05 mas, bmaj=1.175 mas, bpa=-19.87 degrees ! Estimated noise=0.20015 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 = -0.0144497 Jy ! Component: 100 - total flux cleaned = -0.022604 Jy ! Component: 150 - total flux cleaned = -0.0284557 Jy ! Component: 200 - total flux cleaned = -0.0315665 Jy ! Total flux subtracted in 200 components = -0.0315665 Jy ! Clean residual min=-0.008574 max=0.009824 Jy/beam ! Clean residual mean=0.000009 rms=0.001808 Jy/beam ! Combined flux in latest and established models = 0.682819 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 69 components and 0.682819 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=0.086068Jy sigma=1.421042 ! Fit after self-cal, rms=0.086178Jy sigma=1.419747 ! Inverting map ! Added new window around map position (-27.6, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00896734 Jy ! Component: 100 - total flux cleaned = 0.00946565 Jy ! Component: 150 - total flux cleaned = 0.00929628 Jy ! Component: 200 - total flux cleaned = 0.00916393 Jy ! Total flux subtracted in 200 components = 0.00916393 Jy ! Clean residual min=-0.007894 max=0.008331 Jy/beam ! Clean residual mean=0.000007 rms=0.001692 Jy/beam ! Combined flux in latest and established models = 0.691983 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 84 components and 0.691983 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=0.085152Jy sigma=1.395151 ! Fit after self-cal, rms=0.085081Jy sigma=1.393043 ! 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=0.085081Jy sigma=1.393043 ! Fit after self-cal, rms=0.077898Jy sigma=1.222207 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.051 mas, bmaj=1.182 mas, bpa=-19.69 degrees ! Estimated noise=0.20032 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00764139 Jy ! Component: 100 - total flux cleaned = -0.0125946 Jy ! Component: 150 - total flux cleaned = -0.0153264 Jy ! Component: 200 - total flux cleaned = -0.0169302 Jy ! Total flux subtracted in 200 components = -0.0169302 Jy ! Clean residual min=-0.004169 max=0.003933 Jy/beam ! Clean residual mean=-0.000007 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.675052 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 101 components and 0.675052 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=0.076886Jy sigma=1.202139 ! Fit after self-cal, rms=0.076883Jy sigma=1.201360 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 (-0.8, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119078 Jy ! Component: 100 - total flux cleaned = 0.000127055 Jy ! Component: 150 - total flux cleaned = -0.000618215 Jy ! Component: 200 - total flux cleaned = -0.00139183 Jy ! Total flux subtracted in 200 components = -0.00139183 Jy ! Clean residual min=-0.003882 max=0.003206 Jy/beam ! Clean residual mean=-0.000006 rms=0.000769 Jy/beam ! Combined flux in latest and established models = 0.673661 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 114 components and 0.67366 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=0.076530Jy sigma=1.193693 ! Fit after self-cal, rms=0.076474Jy sigma=1.192930 ! 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=0.076474Jy sigma=1.192930 ! Fit after self-cal, rms=0.076338Jy sigma=1.187101 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.05 mas, bmaj=1.184 mas, bpa=-19.58 degrees ! Estimated noise=0.200141 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0050007 Jy ! Component: 100 - total flux cleaned = -0.00818159 Jy ! Component: 150 - total flux cleaned = -0.0097246 Jy ! Component: 200 - total flux cleaned = -0.010536 Jy ! Total flux subtracted in 200 components = -0.010536 Jy ! Clean residual min=-0.003297 max=0.002653 Jy/beam ! Clean residual mean=-0.000004 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.663124 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 120 components and 0.663125 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=0.075883Jy sigma=1.178204 ! Fit after self-cal, rms=0.075864Jy sigma=1.177867 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 = -0.000468936 Jy ! Component: 100 - total flux cleaned = -0.00110688 Jy ! Component: 150 - total flux cleaned = -0.00169055 Jy ! Component: 200 - total flux cleaned = -0.00216399 Jy ! Total flux subtracted in 200 components = -0.00216399 Jy ! Clean residual min=-0.003142 max=0.002562 Jy/beam ! Clean residual mean=-0.000003 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.660961 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 128 components and 0.660961 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=0.075716Jy sigma=1.174750 ! Fit after self-cal, rms=0.075697Jy sigma=1.174511 ! 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=0.075697Jy sigma=1.174511 ! Fit after self-cal, rms=0.075639Jy sigma=1.171401 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.417 mas, bmaj=2.462 mas, bpa=56.65 degrees ! Estimated noise=0.24999 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00433861 Jy ! Component: 100 - total flux cleaned = -0.00710084 Jy ! Component: 150 - total flux cleaned = -0.00864029 Jy ! Component: 200 - total flux cleaned = -0.00939727 Jy ! Total flux subtracted in 200 components = -0.00939727 Jy ! Clean residual min=-0.002980 max=0.002636 Jy/beam ! Clean residual mean=-0.000004 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.651563 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 136 components and 0.651563 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=0.075438Jy sigma=1.167351 ! Fit after self-cal, rms=0.075426Jy sigma=1.167081 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 = -0.000529407 Jy ! Component: 100 - total flux cleaned = -0.00104713 Jy ! Component: 150 - total flux cleaned = -0.00139626 Jy ! Component: 200 - total flux cleaned = -0.00169776 Jy ! Total flux subtracted in 200 components = -0.00169776 Jy ! Clean residual min=-0.002889 max=0.002632 Jy/beam ! Clean residual mean=-0.000004 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.649866 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 142 components and 0.649866 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=0.075394Jy sigma=1.166304 ! Fit after self-cal, rms=0.075383Jy sigma=1.166170 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.05 mas, bmaj=1.184 mas, bpa=-19.49 degrees ! Estimated noise=0.199913 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.05 x 1.184 at -19.49 degrees (North through East) ! Clean map min=-0.0030677 max=0.57893 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 ! Performing amp+phase self-cal ! ! 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=0.075383Jy sigma=1.166170 ! Fit after self-cal, rms=0.071643Jy sigma=1.075480 ! Inverting map and beam ! Estimated beam: bmin=1.05 mas, bmaj=1.185 mas, bpa=-19.04 degrees ! Estimated noise=0.199696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00268261 Jy ! Component: 100 - total flux cleaned = -0.00460358 Jy ! Component: 150 - total flux cleaned = -0.00524607 Jy ! Component: 200 - total flux cleaned = -0.00576097 Jy ! Total flux subtracted in 200 components = -0.00576097 Jy ! Clean residual min=-0.002301 max=0.002183 Jy/beam ! Clean residual mean=-0.000002 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.644105 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 150 components and 0.644105 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=0.071480Jy sigma=1.072284 ! Fit after self-cal, rms=0.071471Jy sigma=1.072189 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000588098 Jy ! Component: 100 - total flux cleaned = -0.000934471 Jy ! Component: 150 - total flux cleaned = -0.00116185 Jy ! Component: 200 - total flux cleaned = -0.00128871 Jy ! Total flux subtracted in 200 components = -0.00128871 Jy ! Clean residual min=-0.002213 max=0.002112 Jy/beam ! Clean residual mean=-0.000002 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.642816 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 156 components and 0.642816 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=0.071407Jy sigma=1.071019 ! Fit after self-cal, rms=0.071404Jy sigma=1.070980 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.071404Jy sigma=1.070980 ! Fit after self-cal, rms=0.071419Jy sigma=1.069767 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=0.7744 mas, bmaj=0.9184 mas, bpa=-25.83 degrees ! Estimated noise=0.432933 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.452878 Jy ! Component: 100 - total flux cleaned = 0.551865 Jy ! Component: 150 - total flux cleaned = 0.581293 Jy ! Component: 200 - total flux cleaned = 0.594848 Jy ! Total flux subtracted in 200 components = 0.594848 Jy ! Clean residual min=-0.004184 max=0.006807 Jy/beam ! Clean residual mean=0.000007 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.594848 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.594848 Jy ! Inverting map and beam ! Estimated beam: bmin=1.05 mas, bmaj=1.185 mas, bpa=-19.02 degrees ! Estimated noise=0.19955 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 = 0.0124346 Jy ! Component: 100 - total flux cleaned = 0.0205831 Jy ! Component: 150 - total flux cleaned = 0.0264172 Jy ! Component: 200 - total flux cleaned = 0.0308504 Jy ! Total flux subtracted in 200 components = 0.0308504 Jy ! Clean residual min=-0.002322 max=0.003124 Jy/beam ! Clean residual mean=-0.000002 rms=0.000551 Jy/beam ! Combined flux in latest and established models = 0.625698 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 38 components and 0.625698 Jy ! Inverting map ! Added new window around map position (-1.6, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00359357 Jy ! Component: 100 - total flux cleaned = 0.00623195 Jy ! Component: 150 - total flux cleaned = 0.00768052 Jy ! Component: 200 - total flux cleaned = 0.00877929 Jy ! Total flux subtracted in 200 components = 0.00877929 Jy ! Clean residual min=-0.002064 max=0.001993 Jy/beam ! Clean residual mean=-0.000002 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.634478 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 62 components and 0.634478 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=2.423 mas, bmaj=2.466 mas, bpa=53 degrees ! Estimated noise=0.249248 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00230102 Jy ! Component: 100 - total flux cleaned = 0.00314741 Jy ! Component: 150 - total flux cleaned = 0.00352594 Jy ! Component: 200 - total flux cleaned = 0.00372971 Jy ! Total flux subtracted in 200 components = 0.00372971 Jy ! Clean residual min=-0.002580 max=0.002095 Jy/beam ! Clean residual mean=-0.000003 rms=0.000583 Jy/beam ! Combined flux in latest and established models = 0.638207 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 = 7.27061e-05 Jy ! Component: 100 - total flux cleaned = 4.00187e-05 Jy ! Component: 150 - total flux cleaned = 7.3146e-05 Jy ! Component: 200 - total flux cleaned = 7.45263e-05 Jy ! Total flux subtracted in 200 components = 7.45263e-05 Jy ! Clean residual min=-0.002558 max=0.002054 Jy/beam ! Clean residual mean=-0.000003 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.638282 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 113 components and 0.638282 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.05 mas, bmaj=1.185 mas, bpa=-19.02 degrees ! Estimated noise=0.19955 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000339264 Jy ! Component: 100 - total flux cleaned = -0.000234671 Jy ! Component: 150 - total flux cleaned = -0.000187099 Jy ! Component: 200 - total flux cleaned = -0.000142258 Jy ! Total flux subtracted in 200 components = -0.000142258 Jy ! Clean residual min=-0.001962 max=0.001953 Jy/beam ! Clean residual mean=-0.000001 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.63814 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 127 components and 0.63814 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=0.071396Jy sigma=1.069657 ! Fit after self-cal, rms=0.071327Jy sigma=1.068622 wmodel J1933+6540_X_map.mod ! Writing 127 model components to file: J1933+6540_X_map.mod wobs J1933+6540_X_uvs.fits ! Writing UV FITS file: J1933+6540_X_uvs.fits wwins J1933+6540_X_map.win ! wwins: Wrote 7 windows to J1933+6540_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 = -0.000603512 Jy ! Component: 100 - total flux cleaned = -0.00126852 Jy ! Component: 150 - total flux cleaned = -0.00180933 Jy ! Component: 200 - total flux cleaned = -0.002271 Jy ! Component: 250 - total flux cleaned = -0.00265992 Jy ! Component: 300 - total flux cleaned = -0.00298125 Jy ! Component: 350 - total flux cleaned = -0.00332314 Jy ! Component: 400 - total flux cleaned = -0.00357332 Jy ! Component: 450 - total flux cleaned = -0.00381825 Jy ! Component: 500 - total flux cleaned = -0.00397844 Jy ! Component: 550 - total flux cleaned = -0.00426638 Jy ! Component: 600 - total flux cleaned = -0.00444589 Jy ! Component: 650 - total flux cleaned = -0.00464824 Jy ! Component: 700 - total flux cleaned = -0.00487258 Jy ! Component: 750 - total flux cleaned = -0.00506933 Jy ! Component: 800 - total flux cleaned = -0.00531115 Jy ! Component: 850 - total flux cleaned = -0.00545455 Jy ! Component: 900 - total flux cleaned = -0.00559649 Jy ! Component: 950 - total flux cleaned = -0.00575976 Jy ! Component: 1000 - total flux cleaned = -0.00594414 Jy ! Component: 1050 - total flux cleaned = -0.00614854 Jy ! Component: 1100 - total flux cleaned = -0.00621612 Jy ! Component: 1150 - total flux cleaned = -0.00646054 Jy ! Component: 1200 - total flux cleaned = -0.00657027 Jy ! Component: 1250 - total flux cleaned = -0.0068094 Jy ! Component: 1300 - total flux cleaned = -0.00695954 Jy ! Component: 1350 - total flux cleaned = -0.00712962 Jy ! Component: 1400 - total flux cleaned = -0.00725557 Jy ! Component: 1450 - total flux cleaned = -0.00735995 Jy ! Component: 1500 - total flux cleaned = -0.00744271 Jy ! Component: 1550 - total flux cleaned = -0.00756542 Jy ! Component: 1600 - total flux cleaned = -0.00764672 Jy ! Component: 1650 - total flux cleaned = -0.00784785 Jy ! Component: 1700 - total flux cleaned = -0.00786743 Jy ! Component: 1750 - total flux cleaned = -0.00798623 Jy ! Component: 1800 - total flux cleaned = -0.00814285 Jy ! Component: 1850 - total flux cleaned = -0.00827843 Jy ! Component: 1900 - total flux cleaned = -0.008432 Jy ! Component: 1950 - total flux cleaned = -0.00843226 Jy ! Component: 2000 - total flux cleaned = -0.00860232 Jy ! Component: 2050 - total flux cleaned = -0.00867752 Jy ! Component: 2100 - total flux cleaned = -0.0087334 Jy ! Component: 2150 - total flux cleaned = -0.00886239 Jy ! Component: 2200 - total flux cleaned = -0.00893556 Jy ! Component: 2250 - total flux cleaned = -0.00902604 Jy ! Component: 2300 - total flux cleaned = -0.00909792 Jy ! Component: 2350 - total flux cleaned = -0.00907973 Jy ! Component: 2400 - total flux cleaned = -0.00925705 Jy ! Component: 2450 - total flux cleaned = -0.009292 Jy ! Component: 2500 - total flux cleaned = -0.00932683 Jy ! Component: 2550 - total flux cleaned = -0.00946573 Jy ! Component: 2600 - total flux cleaned = -0.00951752 Jy ! Component: 2650 - total flux cleaned = -0.00955179 Jy ! Component: 2700 - total flux cleaned = -0.00963659 Jy ! Component: 2750 - total flux cleaned = -0.00967028 Jy ! Component: 2800 - total flux cleaned = -0.00980419 Jy ! Component: 2850 - total flux cleaned = -0.00985417 Jy ! Component: 2900 - total flux cleaned = -0.00992019 Jy ! Component: 2950 - total flux cleaned = -0.00998588 Jy ! Component: 3000 - total flux cleaned = -0.0100672 Jy ! Component: 3050 - total flux cleaned = -0.0102451 Jy ! Component: 3100 - total flux cleaned = -0.0102613 Jy ! Component: 3150 - total flux cleaned = -0.0102294 Jy ! Component: 3200 - total flux cleaned = -0.0103407 Jy ! Component: 3250 - total flux cleaned = -0.0104512 Jy ! Component: 3300 - total flux cleaned = -0.0105766 Jy ! Component: 3350 - total flux cleaned = -0.0105766 Jy ! Component: 3400 - total flux cleaned = -0.0106694 Jy ! Component: 3450 - total flux cleaned = -0.0107618 Jy ! Component: 3500 - total flux cleaned = -0.010777 Jy ! Component: 3550 - total flux cleaned = -0.0108835 Jy ! Component: 3600 - total flux cleaned = -0.0108986 Jy ! Component: 3650 - total flux cleaned = -0.0110338 Jy ! Component: 3700 - total flux cleaned = -0.0110189 Jy ! Component: 3750 - total flux cleaned = -0.0110782 Jy ! Component: 3800 - total flux cleaned = -0.0111373 Jy ! Component: 3850 - total flux cleaned = -0.0112695 Jy ! Component: 3900 - total flux cleaned = -0.0112404 Jy ! Component: 3950 - total flux cleaned = -0.0112984 Jy ! Component: 4000 - total flux cleaned = -0.0113706 Jy ! Component: 4050 - total flux cleaned = -0.0114281 Jy ! Total flux subtracted in 4096 components = -0.0115568 Jy ! Clean residual min=-0.000838 max=0.000746 Jy/beam ! Clean residual mean=-0.000000 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.626583 Jy keep ! Adding 317 model components to the UV plane model. ! The established model now contains 444 components and 0.626583 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1933+6540_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.05 x 1.185 at -19.02 degrees (North through East) ! Clean map min=-0.001784 max=0.58265 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1933+6540_X_map.fits wmodel /vlbi/uf001/uva//J1933+6540_X_map.mod ! Writing 444 model components to file: /vlbi/uf001/uva//J1933+6540_X_map.mod wobs /vlbi/uf001/uva//J1933+6540_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1933+6540_X_uvs.fits wwins /vlbi/uf001/uva//J1933+6540_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1933+6540_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.582654 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000240479 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.123819 0.123819 0.247638 0.495276 0.990552 1.9811 3.96221 7.92442 15.8488 31.6977 63.3953 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.582 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2422.89 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1933+6540_X_dfm.log closed on Mon Jan 14 05:08:13 2019