! Started logfile: /vlbi/uf001/uva//J2257+4154_X_dfm.log on Mon Jan 14 06:28:48 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//J2257+4154_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2257+4154_X_uva.fits ! AN table 1: 74 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.696096 visibilities/baseline/integration-bin. ! Found source: J2257+4154 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 27816 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J2257+4154_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 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 171 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006335Jy sigma=23.126248 ! Fit after self-cal, rms=0.954233Jy sigma=21.835614 ! 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=0.6893 mas, bmaj=1.289 mas, bpa=-9.881 degrees ! Estimated noise=0.372892 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 = 0.0308952 Jy ! Component: 100 - total flux cleaned = 0.0426168 Jy ! Total flux subtracted in 100 components = 0.0426168 Jy ! Clean residual min=-0.006479 max=0.009821 Jy/beam ! Clean residual mean=-0.000016 rms=0.001833 Jy/beam ! Combined flux in latest and established models = 0.0426168 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0426168 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=0.095886Jy sigma=2.200254 ! Fit after self-cal, rms=0.094829Jy sigma=2.176989 ! 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=0.8839 mas, bmaj=1.578 mas, bpa=-8.429 degrees ! Estimated noise=0.195424 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 = 0.0218364 Jy ! Component: 100 - total flux cleaned = 0.035519 Jy ! Component: 150 - total flux cleaned = 0.044327 Jy ! Component: 200 - total flux cleaned = 0.0499955 Jy ! Total flux subtracted in 200 components = 0.0499955 Jy ! Clean residual min=-0.011428 max=0.018855 Jy/beam ! Clean residual mean=-0.000092 rms=0.003895 Jy/beam ! Combined flux in latest and established models = 0.0926123 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 32 components and 0.0926123 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=0.089620Jy sigma=2.038758 ! Fit after self-cal, rms=0.089218Jy sigma=2.028059 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8839 x 1.578 at -8.429 degrees (North through East) ! Clean map min=-0.010951 max=0.045473 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.76 FD 3.45 HN 1.71 KP 1.22 ! LA 0.49 MK 1.54 NL 1.55 OV 1.64 ! PT 0.52 SC 1.70 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.89 FD 3.28 HN 1.43 KP 1.13 ! LA 0.51 MK 1.58 NL 1.57 OV 1.56 ! PT 0.54 SC 1.53 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.88 FD 3.27 HN 1.45 KP 1.18 ! LA 0.51 MK 1.49 NL 1.65 OV 1.57 ! PT 0.53 SC 1.36 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 2.18 FD 3.45 HN 1.47 KP 1.19 ! LA 0.48 MK 1.35 NL 1.58 OV 1.54 ! PT 0.53 SC 1.70 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 2.03 FD 3.20 HN 1.70 KP 1.08 ! LA 0.50 MK 1.36 NL 1.60 OV 1.51 ! PT 0.54 SC 1.65 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.79 FD 3.59 HN 1.49 KP 1.13 ! LA 0.48 MK 1.36 NL 1.59 OV 1.42 ! PT 0.57 SC 1.44 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 2.08 FD 3.40 HN 1.57 KP 1.10 ! LA 0.49 MK 1.14 NL 1.56 OV 1.40 ! PT 0.57 SC 1.62 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 2.13 FD 3.82 HN 1.59 KP 1.15 ! LA 0.49 MK 1.24 NL 1.57 OV 1.46 ! PT 0.54 SC 1.62 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.85 FD 2.99 HN 1.48 KP 1.02 ! LA 0.50 MK 1.11 NL 1.62 OV 1.41 ! PT 0.55 SC 1.56 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 2.05 FD 3.81 HN 1.53 KP 1.10 ! LA 0.49 MK 1.22 NL 1.47 OV 1.31 ! PT 0.57 SC 1.75 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.93 FD 3.32 HN 1.28 KP 1.01 ! LA 0.53 MK 1.20 NL 1.56 OV 1.22 ! PT 0.58 SC 1.40 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.74 FD 2.87 HN 1.49 KP 1.03 ! LA 0.51 MK 1.09 NL 1.52 OV 1.19 ! PT 0.57 SC 1.40 ! ! ! Fit before self-cal, rms=0.089218Jy sigma=2.028059 ! Fit after self-cal, rms=0.161073Jy sigma=1.724517 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9933 mas, bmaj=1.802 mas, bpa=-9.738 degrees ! Estimated noise=0.235243 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 = 0.00246729 Jy ! Component: 100 - total flux cleaned = 0.00206971 Jy ! Component: 150 - total flux cleaned = 0.0018277 Jy ! Component: 200 - total flux cleaned = 0.00169 Jy ! Total flux subtracted in 200 components = 0.00169 Jy ! Clean residual min=-0.012522 max=0.015449 Jy/beam ! Clean residual mean=0.000027 rms=0.003184 Jy/beam ! Combined flux in latest and established models = 0.0943023 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 33 components and 0.0943023 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=0.160556Jy sigma=1.726033 ! Fit after self-cal, rms=0.166282Jy sigma=1.680784 ! 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=0.166282Jy sigma=1.680784 ! Fit after self-cal, rms=0.301950Jy sigma=1.448465 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9859 mas, bmaj=1.71 mas, bpa=-9.76 degrees ! Estimated noise=0.245212 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00193339 Jy ! Component: 100 - total flux cleaned = 0.00193568 Jy ! Component: 150 - total flux cleaned = 0.00190113 Jy ! Component: 200 - total flux cleaned = 0.00190044 Jy ! Total flux subtracted in 200 components = 0.00190044 Jy ! Clean residual min=-0.005561 max=0.005887 Jy/beam ! Clean residual mean=0.000013 rms=0.001323 Jy/beam ! Combined flux in latest and established models = 0.0962027 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 36 components and 0.0962027 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=0.301825Jy sigma=1.448445 ! Fit after self-cal, rms=0.304853Jy sigma=1.438629 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 (-7, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00578362 Jy ! Component: 100 - total flux cleaned = 0.00748635 Jy ! Component: 150 - total flux cleaned = 0.00725733 Jy ! Component: 200 - total flux cleaned = 0.00698188 Jy ! Total flux subtracted in 200 components = 0.00698188 Jy ! Clean residual min=-0.005123 max=0.006191 Jy/beam ! Clean residual mean=0.000022 rms=0.001237 Jy/beam ! Combined flux in latest and established models = 0.103185 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 57 components and 0.103185 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=0.304578Jy sigma=1.432387 ! Fit after self-cal, rms=0.304705Jy sigma=1.428010 ! Inverting map ! Added new window around map position (-3.4, 17.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00536758 Jy ! Component: 100 - total flux cleaned = 0.00775444 Jy ! Component: 150 - total flux cleaned = 0.00930702 Jy ! Component: 200 - total flux cleaned = 0.0100555 Jy ! Total flux subtracted in 200 components = 0.0100555 Jy ! Clean residual min=-0.005253 max=0.005664 Jy/beam ! Clean residual mean=0.000024 rms=0.001298 Jy/beam ! Combined flux in latest and established models = 0.11324 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 73 components and 0.11324 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=0.304315Jy sigma=1.428258 ! Fit after self-cal, rms=0.304249Jy sigma=1.423993 ! Inverting map ! Added new window around map position (-11.6, -17.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00551416 Jy ! Component: 100 - total flux cleaned = 0.00917727 Jy ! Component: 150 - total flux cleaned = 0.0122816 Jy ! Component: 200 - total flux cleaned = 0.0143803 Jy ! Total flux subtracted in 200 components = 0.0143803 Jy ! Clean residual min=-0.005165 max=0.005121 Jy/beam ! Clean residual mean=0.000017 rms=0.001306 Jy/beam ! Combined flux in latest and established models = 0.12762 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 93 components and 0.12762 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=0.303730Jy sigma=1.423424 ! Fit after self-cal, rms=0.303739Jy sigma=1.420673 ! 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=0.303739Jy sigma=1.420673 ! Fit after self-cal, rms=0.342469Jy sigma=1.409832 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9965 mas, bmaj=1.742 mas, bpa=-9.607 degrees ! Estimated noise=0.249973 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00481718 Jy ! Component: 100 - total flux cleaned = 0.0080683 Jy ! Component: 150 - total flux cleaned = 0.0104303 Jy ! Component: 200 - total flux cleaned = 0.0120017 Jy ! Total flux subtracted in 200 components = 0.0120017 Jy ! Clean residual min=-0.005220 max=0.005079 Jy/beam ! Clean residual mean=0.000004 rms=0.001231 Jy/beam ! Combined flux in latest and established models = 0.139622 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 102 components and 0.139622 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=0.342034Jy sigma=1.409753 ! Fit after self-cal, rms=0.342231Jy sigma=1.407177 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1, -9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.003699 Jy ! Component: 100 - total flux cleaned = 0.0056073 Jy ! Component: 150 - total flux cleaned = 0.00768089 Jy ! Component: 200 - total flux cleaned = 0.00918905 Jy ! Total flux subtracted in 200 components = 0.00918905 Jy ! Clean residual min=-0.005180 max=0.005251 Jy/beam ! Clean residual mean=0.000005 rms=0.001263 Jy/beam ! Combined flux in latest and established models = 0.148811 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 116 components and 0.148811 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=0.341646Jy sigma=1.404978 ! Fit after self-cal, rms=0.341468Jy sigma=1.403188 ! 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=0.341468Jy sigma=1.403188 ! Fit after self-cal, rms=0.340103Jy sigma=1.398611 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.59 mas, bmaj=3.294 mas, bpa=-24.59 degrees ! Estimated noise=0.246538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00508984 Jy ! Component: 100 - total flux cleaned = 0.00872821 Jy ! Component: 150 - total flux cleaned = 0.0111979 Jy ! Component: 200 - total flux cleaned = 0.0133895 Jy ! Total flux subtracted in 200 components = 0.0133895 Jy ! Clean residual min=-0.007254 max=0.005938 Jy/beam ! Clean residual mean=-0.000000 rms=0.001799 Jy/beam ! Combined flux in latest and established models = 0.162201 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 137 components and 0.162201 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=0.339714Jy sigma=1.401191 ! Fit after self-cal, rms=0.339485Jy sigma=1.398993 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 = 0.00371469 Jy ! Component: 100 - total flux cleaned = 0.0065375 Jy ! Component: 150 - total flux cleaned = 0.00828152 Jy ! Component: 200 - total flux cleaned = 0.00996953 Jy ! Total flux subtracted in 200 components = 0.00996953 Jy ! Clean residual min=-0.007699 max=0.006293 Jy/beam ! Clean residual mean=-0.000000 rms=0.001890 Jy/beam ! Combined flux in latest and established models = 0.17217 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 160 components and 0.17217 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=0.339226Jy sigma=1.402450 ! Fit after self-cal, rms=0.339085Jy sigma=1.401252 ! 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=1.006 mas, bmaj=1.793 mas, bpa=-9.747 degrees ! Estimated noise=0.250886 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.006 x 1.793 at -9.747 degrees (North through East) ! Clean map min=-0.0056619 max=0.054927 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=0.7336 mas, bmaj=1.41 mas, bpa=-10.85 degrees ! Estimated noise=0.553979 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0389474 Jy ! Component: 100 - total flux cleaned = 0.0565987 Jy ! Component: 150 - total flux cleaned = 0.0702529 Jy ! Component: 200 - total flux cleaned = 0.0819737 Jy ! Total flux subtracted in 200 components = 0.0819737 Jy ! Clean residual min=-0.007905 max=0.009970 Jy/beam ! Clean residual mean=-0.000001 rms=0.001877 Jy/beam ! Combined flux in latest and established models = 0.0819738 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0819738 Jy ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.793 mas, bpa=-9.747 degrees ! Estimated noise=0.250886 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 = 0.0149439 Jy ! Component: 100 - total flux cleaned = 0.0255103 Jy ! Component: 150 - total flux cleaned = 0.034025 Jy ! Component: 200 - total flux cleaned = 0.0412869 Jy ! Total flux subtracted in 200 components = 0.0412869 Jy ! Clean residual min=-0.006918 max=0.008098 Jy/beam ! Clean residual mean=-0.000014 rms=0.001666 Jy/beam ! Combined flux in latest and established models = 0.123261 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 42 components and 0.123261 Jy ! Inverting map ! Added new window around map position (9.6, -22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00670225 Jy ! Component: 100 - total flux cleaned = 0.0111601 Jy ! Component: 150 - total flux cleaned = 0.0153858 Jy ! Component: 200 - total flux cleaned = 0.0188944 Jy ! Total flux subtracted in 200 components = 0.0188944 Jy ! Clean residual min=-0.006410 max=0.005984 Jy/beam ! Clean residual mean=-0.000009 rms=0.001488 Jy/beam ! Combined flux in latest and established models = 0.142155 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 68 components and 0.142155 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=2.59 mas, bmaj=3.294 mas, bpa=-24.59 degrees ! Estimated noise=0.246538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00650723 Jy ! Component: 100 - total flux cleaned = 0.0108343 Jy ! Component: 150 - total flux cleaned = 0.0145091 Jy ! Component: 200 - total flux cleaned = 0.0180012 Jy ! Total flux subtracted in 200 components = 0.0180012 Jy ! Clean residual min=-0.008436 max=0.007199 Jy/beam ! Clean residual mean=-0.000010 rms=0.002033 Jy/beam ! Combined flux in latest and established models = 0.160156 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 = 0.00287871 Jy ! Component: 100 - total flux cleaned = 0.00567678 Jy ! Component: 150 - total flux cleaned = 0.00812508 Jy ! Component: 200 - total flux cleaned = 0.0103936 Jy ! Total flux subtracted in 200 components = 0.0103936 Jy ! Clean residual min=-0.008235 max=0.007104 Jy/beam ! Clean residual mean=-0.000008 rms=0.001992 Jy/beam ! Combined flux in latest and established models = 0.17055 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 105 components and 0.17055 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.793 mas, bpa=-9.747 degrees ! Estimated noise=0.250886 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00118057 Jy ! Component: 100 - total flux cleaned = 0.00202545 Jy ! Component: 150 - total flux cleaned = 0.00227517 Jy ! Component: 200 - total flux cleaned = 0.00250985 Jy ! Total flux subtracted in 200 components = 0.00250985 Jy ! Clean residual min=-0.005833 max=0.005596 Jy/beam ! Clean residual mean=-0.000005 rms=0.001375 Jy/beam ! Combined flux in latest and established models = 0.17306 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 127 components and 0.17306 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=0.338515Jy sigma=1.407078 ! Fit after self-cal, rms=0.338403Jy sigma=1.400310 wmodel J2257+4154_X_map.mod ! Writing 127 model components to file: J2257+4154_X_map.mod wobs J2257+4154_X_uvs.fits ! Writing UV FITS file: J2257+4154_X_uvs.fits wwins J2257+4154_X_map.win ! wwins: Wrote 6 windows to J2257+4154_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 = -0.0013936 Jy ! Component: 100 - total flux cleaned = -0.00185491 Jy ! Component: 150 - total flux cleaned = -0.00177575 Jy ! Component: 200 - total flux cleaned = -0.00153022 Jy ! Component: 250 - total flux cleaned = -0.000896231 Jy ! Component: 300 - total flux cleaned = -0.000357497 Jy ! Component: 350 - total flux cleaned = 0.000240792 Jy ! Component: 400 - total flux cleaned = 0.000677331 Jy ! Component: 450 - total flux cleaned = 0.00117596 Jy ! Component: 500 - total flux cleaned = 0.00152734 Jy ! Component: 550 - total flux cleaned = 0.00187529 Jy ! Component: 600 - total flux cleaned = 0.00221858 Jy ! Component: 650 - total flux cleaned = 0.00269058 Jy ! Component: 700 - total flux cleaned = 0.00295665 Jy ! Component: 750 - total flux cleaned = 0.00328543 Jy ! Component: 800 - total flux cleaned = 0.00380563 Jy ! Component: 850 - total flux cleaned = 0.00418953 Jy ! Component: 900 - total flux cleaned = 0.00457207 Jy ! Component: 950 - total flux cleaned = 0.00520184 Jy ! Component: 1000 - total flux cleaned = 0.00582438 Jy ! Component: 1050 - total flux cleaned = 0.00619318 Jy ! Component: 1100 - total flux cleaned = 0.00686489 Jy ! Component: 1150 - total flux cleaned = 0.00771078 Jy ! Component: 1200 - total flux cleaned = 0.00818866 Jy ! Component: 1250 - total flux cleaned = 0.00872351 Jy ! Component: 1300 - total flux cleaned = 0.00931216 Jy ! Component: 1350 - total flux cleaned = 0.010187 Jy ! Component: 1400 - total flux cleaned = 0.0107649 Jy ! Component: 1450 - total flux cleaned = 0.0115681 Jy ! Component: 1500 - total flux cleaned = 0.0120239 Jy ! Component: 1550 - total flux cleaned = 0.0127594 Jy ! Component: 1600 - total flux cleaned = 0.0133765 Jy ! Component: 1650 - total flux cleaned = 0.0138783 Jy ! Component: 1700 - total flux cleaned = 0.0145978 Jy ! Component: 1750 - total flux cleaned = 0.0150919 Jy ! Component: 1800 - total flux cleaned = 0.0155835 Jy ! Component: 1850 - total flux cleaned = 0.0162884 Jy ! Component: 1900 - total flux cleaned = 0.016719 Jy ! Component: 1950 - total flux cleaned = 0.0173076 Jy ! Component: 2000 - total flux cleaned = 0.0178389 Jy ! Component: 2050 - total flux cleaned = 0.0183674 Jy ! Component: 2100 - total flux cleaned = 0.0188399 Jy ! Component: 2150 - total flux cleaned = 0.019206 Jy ! Component: 2200 - total flux cleaned = 0.0197773 Jy ! Component: 2250 - total flux cleaned = 0.0202933 Jy ! Component: 2300 - total flux cleaned = 0.0208583 Jy ! Component: 2350 - total flux cleaned = 0.0214702 Jy ! Component: 2400 - total flux cleaned = 0.0219261 Jy ! Component: 2450 - total flux cleaned = 0.0223295 Jy ! Component: 2500 - total flux cleaned = 0.0229317 Jy ! Component: 2550 - total flux cleaned = 0.023381 Jy ! Component: 2600 - total flux cleaned = 0.0239766 Jy ! Component: 2650 - total flux cleaned = 0.0244206 Jy ! Component: 2700 - total flux cleaned = 0.0250589 Jy ! Component: 2750 - total flux cleaned = 0.0255465 Jy ! Component: 2800 - total flux cleaned = 0.0259831 Jy ! Component: 2850 - total flux cleaned = 0.0264176 Jy ! Component: 2900 - total flux cleaned = 0.0270423 Jy ! Component: 2950 - total flux cleaned = 0.0274728 Jy ! Component: 3000 - total flux cleaned = 0.0279486 Jy ! Component: 3050 - total flux cleaned = 0.0284222 Jy ! Component: 3100 - total flux cleaned = 0.0290347 Jy ! Component: 3150 - total flux cleaned = 0.0294566 Jy ! Component: 3200 - total flux cleaned = 0.02983 Jy ! Component: 3250 - total flux cleaned = 0.0302942 Jy ! Component: 3300 - total flux cleaned = 0.0308022 Jy ! Component: 3350 - total flux cleaned = 0.0312161 Jy ! Component: 3400 - total flux cleaned = 0.0316281 Jy ! Component: 3450 - total flux cleaned = 0.032175 Jy ! Component: 3500 - total flux cleaned = 0.0327645 Jy ! Component: 3550 - total flux cleaned = 0.0330352 Jy ! Component: 3600 - total flux cleaned = 0.0333498 Jy ! Component: 3650 - total flux cleaned = 0.0337526 Jy ! Component: 3700 - total flux cleaned = 0.0341984 Jy ! Component: 3750 - total flux cleaned = 0.0346867 Jy ! Component: 3800 - total flux cleaned = 0.0348193 Jy ! Component: 3850 - total flux cleaned = 0.0353476 Jy ! Component: 3900 - total flux cleaned = 0.0357422 Jy ! Component: 3950 - total flux cleaned = 0.0360479 Jy ! Component: 4000 - total flux cleaned = 0.036309 Jy ! Component: 4050 - total flux cleaned = 0.0366122 Jy ! Total flux subtracted in 4096 components = 0.0370007 Jy ! Clean residual min=-0.002221 max=0.002687 Jy/beam ! Clean residual mean=-0.000006 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 0.21006 Jy keep ! Adding 303 model components to the UV plane model. ! The established model now contains 429 components and 0.21006 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2257+4154_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.006 x 1.793 at -9.747 degrees (North through East) ! Clean map min=-0.0056999 max=0.053176 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2257+4154_X_map.fits wmodel /vlbi/uf001/uva//J2257+4154_X_map.mod ! Writing 429 model components to file: /vlbi/uf001/uva//J2257+4154_X_map.mod wobs /vlbi/uf001/uva//J2257+4154_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2257+4154_X_uvs.fits wwins /vlbi/uf001/uva//J2257+4154_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J2257+4154_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.053176 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000812965 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -4.58645 4.58645 9.17291 18.3458 36.6916 73.3833 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.053 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 65.41 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2257+4154_X_dfm.log closed on Mon Jan 14 06:28:54 2019