! Started logfile: /vlbi/uf001/uva//J0957+5522_X_dfm.log on Mon Jan 14 00:40:59 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//J0957+5522_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0957+5522_X_uva.fits ! AN table 1: 109 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.872783 visibilities/baseline/integration-bin. ! Found source: J0957+5522 ! ! 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 51372 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 J0957+5522_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 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007651Jy sigma=22.435181 ! Fit after self-cal, rms=0.942442Jy sigma=21.102988 ! 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=0.8396 mas, bmaj=1.086 mas, bpa=-89.49 degrees ! Estimated noise=0.353865 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 = 0.0306776 Jy ! Component: 100 - total flux cleaned = 0.0457417 Jy ! Total flux subtracted in 100 components = 0.0457417 Jy ! Clean residual min=-0.005493 max=0.010542 Jy/beam ! Clean residual mean=0.000166 rms=0.002012 Jy/beam ! Combined flux in latest and established models = 0.0457417 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 27 components and 0.0457417 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=0.114267Jy sigma=2.242410 ! Fit after self-cal, rms=0.113567Jy sigma=2.224829 ! 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=1.159 mas, bmaj=1.424 mas, bpa=87.42 degrees ! Estimated noise=0.143865 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 (0.2, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0360496 Jy ! Component: 100 - total flux cleaned = 0.0628184 Jy ! Component: 150 - total flux cleaned = 0.0838702 Jy ! Component: 200 - total flux cleaned = 0.100763 Jy ! Total flux subtracted in 200 components = 0.100763 Jy ! Clean residual min=-0.012089 max=0.022181 Jy/beam ! Clean residual mean=0.000218 rms=0.003833 Jy/beam ! Combined flux in latest and established models = 0.146505 Jy ! Performing phase self-cal ! Adding 102 model components to the UV plane model. ! The established model now contains 122 components and 0.146505 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=0.093639Jy sigma=1.840343 ! Fit after self-cal, rms=0.092500Jy sigma=1.810301 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.159 x 1.424 at 87.42 degrees (North through East) ! Clean map min=-0.011841 max=0.047772 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.86 FD 1.05 HN 1.26 KP 1.07 ! LA 0.66 MK 1.38 NL 1.91 OV 1.30 ! PT 0.55 SC 1.18 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.79 FD 1.05 HN 1.39 KP 1.14 ! LA 0.63 MK 1.38 NL 1.99 OV 1.32 ! PT 0.54 SC 1.10 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.67 FD 1.03 HN 1.22 KP 1.05 ! LA 0.66 MK 1.40 NL 1.95 OV 1.32 ! PT 0.55 SC 1.13 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.70 FD 1.07 HN 1.29 KP 1.09 ! LA 0.65 MK 1.37 NL 2.00 OV 1.38 ! PT 0.56 SC 1.12 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.73 FD 1.10 HN 1.26 KP 1.09 ! LA 0.66 MK 1.53 NL 2.09 OV 1.38 ! PT 0.53 SC 1.13 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.62 FD 1.10 HN 1.10 KP 1.07 ! LA 0.67 MK 1.38 NL 1.97 OV 1.39 ! PT 0.57 SC 1.04 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.50 FD 1.11 HN 1.17 KP 1.09 ! LA 0.66 MK 1.34 NL 1.96 OV 1.43 ! PT 0.55 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.41 FD 1.06 HN 1.12 KP 1.04 ! LA 0.69 MK 1.22 NL 1.82 OV 1.37 ! PT 0.58 SC 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.48 FD 1.14 HN 1.21 KP 1.05 ! LA 0.67 MK 1.22 NL 1.97 OV 1.43 ! PT 0.57 SC 1.09 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.69 FD 1.11 HN 1.09 KP 0.98 ! LA 0.69 MK 1.20 NL 1.81 OV 1.43 ! PT 0.56 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.43 FD 1.14 HN 1.16 KP 1.00 ! LA 0.71 MK 1.03 NL 1.71 OV 1.46 ! PT 0.56 SC 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.34 FD 1.17 HN 1.12 KP 1.02 ! LA 0.70 MK 0.98 NL 1.72 OV 1.44 ! PT 0.56 SC 0.86 ! ! ! Fit before self-cal, rms=0.092500Jy sigma=1.810301 ! Fit after self-cal, rms=0.089745Jy sigma=1.534345 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.231 mas, bmaj=1.505 mas, bpa=84.47 degrees ! Estimated noise=0.160629 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 = 0.00325081 Jy ! Component: 100 - total flux cleaned = 0.00431266 Jy ! Component: 150 - total flux cleaned = 0.00497994 Jy ! Component: 200 - total flux cleaned = 0.00545882 Jy ! Total flux subtracted in 200 components = 0.00545882 Jy ! Clean residual min=-0.008766 max=0.013107 Jy/beam ! Clean residual mean=0.000235 rms=0.002999 Jy/beam ! Combined flux in latest and established models = 0.151964 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 140 components and 0.151964 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=0.089374Jy sigma=1.527859 ! Fit after self-cal, rms=0.091208Jy sigma=1.508950 ! 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=0.091208Jy sigma=1.508950 ! Fit after self-cal, rms=0.103008Jy sigma=1.373357 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.229 mas, bmaj=1.435 mas, bpa=84.86 degrees ! Estimated noise=0.161571 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000274854 Jy ! Component: 100 - total flux cleaned = 0.000733084 Jy ! Component: 150 - total flux cleaned = 0.0010814 Jy ! Component: 200 - total flux cleaned = 0.00118112 Jy ! Total flux subtracted in 200 components = 0.00118112 Jy ! Clean residual min=-0.006766 max=0.008707 Jy/beam ! Clean residual mean=-0.000003 rms=0.002129 Jy/beam ! Combined flux in latest and established models = 0.153145 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 151 components and 0.153145 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=0.102732Jy sigma=1.374035 ! Fit after self-cal, rms=0.103049Jy sigma=1.370400 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 = -0.000552672 Jy ! Component: 100 - total flux cleaned = -0.000503081 Jy ! Component: 150 - total flux cleaned = -0.000574109 Jy ! Component: 200 - total flux cleaned = -0.000639206 Jy ! Total flux subtracted in 200 components = -0.000639206 Jy ! Clean residual min=-0.006685 max=0.008828 Jy/beam ! Clean residual mean=-0.000001 rms=0.002123 Jy/beam ! Combined flux in latest and established models = 0.152506 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 157 components and 0.152506 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=0.102947Jy sigma=1.370920 ! Fit after self-cal, rms=0.102952Jy sigma=1.370647 ! 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=0.102952Jy sigma=1.370647 ! Fit after self-cal, rms=0.108334Jy sigma=1.369360 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.217 mas, bmaj=1.408 mas, bpa=-89.47 degrees ! Estimated noise=0.162774 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000831053 Jy ! Component: 100 - total flux cleaned = 0.00120572 Jy ! Component: 150 - total flux cleaned = 0.00140748 Jy ! Component: 200 - total flux cleaned = 0.0014912 Jy ! Total flux subtracted in 200 components = 0.0014912 Jy ! Clean residual min=-0.006771 max=0.008900 Jy/beam ! Clean residual mean=-0.000005 rms=0.002137 Jy/beam ! Combined flux in latest and established models = 0.153997 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 161 components and 0.153997 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=0.108122Jy sigma=1.370275 ! Fit after self-cal, rms=0.108198Jy sigma=1.369905 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 = -0.000329953 Jy ! Component: 100 - total flux cleaned = -0.000290727 Jy ! Component: 150 - total flux cleaned = -0.000386118 Jy ! Component: 200 - total flux cleaned = -0.000443756 Jy ! Total flux subtracted in 200 components = -0.000443756 Jy ! Clean residual min=-0.006738 max=0.008888 Jy/beam ! Clean residual mean=-0.000005 rms=0.002138 Jy/beam ! Combined flux in latest and established models = 0.153553 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 162 components and 0.153553 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=0.108116Jy sigma=1.370449 ! Fit after self-cal, rms=0.108126Jy sigma=1.370243 ! 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=0.108126Jy sigma=1.370243 ! Fit after self-cal, rms=0.114284Jy sigma=1.369422 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.594 mas, bmaj=2.794 mas, bpa=60.47 degrees ! Estimated noise=0.187596 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190052 Jy ! Component: 100 - total flux cleaned = 0.00190997 Jy ! Component: 150 - total flux cleaned = 0.00180763 Jy ! Component: 200 - total flux cleaned = 0.00176443 Jy ! Total flux subtracted in 200 components = 0.00176443 Jy ! Clean residual min=-0.012172 max=0.016258 Jy/beam ! Clean residual mean=-0.000011 rms=0.004009 Jy/beam ! Combined flux in latest and established models = 0.155318 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 164 components and 0.155318 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=0.114067Jy sigma=1.371979 ! Fit after self-cal, rms=0.114159Jy sigma=1.371012 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 = -0.000200995 Jy ! Component: 100 - total flux cleaned = -0.000452497 Jy ! Component: 150 - total flux cleaned = -0.000570912 Jy ! Component: 200 - total flux cleaned = -0.000697374 Jy ! Total flux subtracted in 200 components = -0.000697374 Jy ! Clean residual min=-0.012174 max=0.016256 Jy/beam ! Clean residual mean=-0.000010 rms=0.004012 Jy/beam ! Combined flux in latest and established models = 0.15462 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 165 components and 0.15462 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=0.114080Jy sigma=1.372684 ! Fit after self-cal, rms=0.114082Jy sigma=1.372191 ! 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=1.209 mas, bmaj=1.395 mas, bpa=-86 degrees ! Estimated noise=0.165446 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.209 x 1.395 at -86 degrees (North through East) ! Clean map min=-0.0068075 max=0.048675 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=0.8502 mas, bmaj=1.05 mas, bpa=-81.3 degrees ! Estimated noise=0.42604 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0375409 Jy ! Component: 100 - total flux cleaned = 0.0584184 Jy ! Component: 150 - total flux cleaned = 0.074313 Jy ! Component: 200 - total flux cleaned = 0.0869466 Jy ! Total flux subtracted in 200 components = 0.0869466 Jy ! Clean residual min=-0.005444 max=0.007591 Jy/beam ! Clean residual mean=0.000087 rms=0.001578 Jy/beam ! Combined flux in latest and established models = 0.0869466 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 55 model components to the UV plane model. ! The established model now contains 55 components and 0.0869466 Jy ! Inverting map and beam ! Estimated beam: bmin=1.209 mas, bmaj=1.395 mas, bpa=-86 degrees ! Estimated noise=0.165446 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 = 0.022959 Jy ! Component: 100 - total flux cleaned = 0.0372498 Jy ! Component: 150 - total flux cleaned = 0.0467797 Jy ! Component: 200 - total flux cleaned = 0.0532806 Jy ! Total flux subtracted in 200 components = 0.0532806 Jy ! Clean residual min=-0.007783 max=0.008455 Jy/beam ! Clean residual mean=0.000016 rms=0.002260 Jy/beam ! Combined flux in latest and established models = 0.140227 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 120 components and 0.140227 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=2.594 mas, bmaj=2.794 mas, bpa=60.47 degrees ! Estimated noise=0.187596 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00728922 Jy ! Component: 100 - total flux cleaned = 0.0107124 Jy ! Component: 150 - total flux cleaned = 0.0119914 Jy ! Component: 200 - total flux cleaned = 0.0122502 Jy ! Total flux subtracted in 200 components = 0.0122502 Jy ! Clean residual min=-0.012277 max=0.016026 Jy/beam ! Clean residual mean=-0.000004 rms=0.004020 Jy/beam ! Combined flux in latest and established models = 0.152477 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 = 0.000255495 Jy ! Component: 100 - total flux cleaned = 0.000431642 Jy ! Component: 150 - total flux cleaned = 0.000580798 Jy ! Component: 200 - total flux cleaned = 0.000706344 Jy ! Total flux subtracted in 200 components = 0.000706344 Jy ! Clean residual min=-0.012257 max=0.016188 Jy/beam ! Clean residual mean=-0.000006 rms=0.004022 Jy/beam ! Combined flux in latest and established models = 0.153184 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 138 components and 0.153184 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.209 mas, bmaj=1.395 mas, bpa=-86 degrees ! Estimated noise=0.165446 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00031296 Jy ! Component: 100 - total flux cleaned = -0.000313413 Jy ! Component: 150 - total flux cleaned = -0.000368341 Jy ! Component: 200 - total flux cleaned = -0.000417522 Jy ! Total flux subtracted in 200 components = -0.000417522 Jy ! Clean residual min=-0.007013 max=0.009387 Jy/beam ! Clean residual mean=-0.000003 rms=0.002191 Jy/beam ! Combined flux in latest and established models = 0.152766 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 147 components and 0.152766 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=0.114158Jy sigma=1.375883 ! Fit after self-cal, rms=0.114084Jy sigma=1.373736 wmodel J0957+5522_X_map.mod ! Writing 147 model components to file: J0957+5522_X_map.mod wobs J0957+5522_X_uvs.fits ! Writing UV FITS file: J0957+5522_X_uvs.fits wwins J0957+5522_X_map.win ! wwins: Wrote 2 windows to J0957+5522_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 = 0.00387549 Jy ! Component: 100 - total flux cleaned = 0.00659344 Jy ! Component: 150 - total flux cleaned = 0.008621 Jy ! Component: 200 - total flux cleaned = 0.00994768 Jy ! Component: 250 - total flux cleaned = 0.010761 Jy ! Component: 300 - total flux cleaned = 0.0115478 Jy ! Component: 350 - total flux cleaned = 0.0121967 Jy ! Component: 400 - total flux cleaned = 0.0129301 Jy ! Component: 450 - total flux cleaned = 0.0132341 Jy ! Component: 500 - total flux cleaned = 0.0134323 Jy ! Component: 550 - total flux cleaned = 0.0140075 Jy ! Component: 600 - total flux cleaned = 0.0141927 Jy ! Component: 650 - total flux cleaned = 0.0146466 Jy ! Component: 700 - total flux cleaned = 0.0149097 Jy ! Component: 750 - total flux cleaned = 0.0151697 Jy ! Component: 800 - total flux cleaned = 0.0155078 Jy ! Component: 850 - total flux cleaned = 0.0160043 Jy ! Component: 900 - total flux cleaned = 0.0164078 Jy ! Component: 950 - total flux cleaned = 0.0170413 Jy ! Component: 1000 - total flux cleaned = 0.0174307 Jy ! Component: 1050 - total flux cleaned = 0.0178875 Jy ! Component: 1100 - total flux cleaned = 0.0183369 Jy ! Component: 1150 - total flux cleaned = 0.0185586 Jy ! Component: 1200 - total flux cleaned = 0.0192808 Jy ! Component: 1250 - total flux cleaned = 0.0195622 Jy ! Component: 1300 - total flux cleaned = 0.0198399 Jy ! Component: 1350 - total flux cleaned = 0.0201148 Jy ! Component: 1400 - total flux cleaned = 0.0203181 Jy ! Component: 1450 - total flux cleaned = 0.0205183 Jy ! Component: 1500 - total flux cleaned = 0.0208464 Jy ! Component: 1550 - total flux cleaned = 0.020846 Jy ! Component: 1600 - total flux cleaned = 0.0210382 Jy ! Component: 1650 - total flux cleaned = 0.0211001 Jy ! Component: 1700 - total flux cleaned = 0.0212243 Jy ! Component: 1750 - total flux cleaned = 0.0212235 Jy ! Component: 1800 - total flux cleaned = 0.0212839 Jy ! Component: 1850 - total flux cleaned = 0.0215238 Jy ! Component: 1900 - total flux cleaned = 0.0215241 Jy ! Component: 1950 - total flux cleaned = 0.0215248 Jy ! Component: 2000 - total flux cleaned = 0.0216965 Jy ! Component: 2050 - total flux cleaned = 0.0218666 Jy ! Component: 2100 - total flux cleaned = 0.0218667 Jy ! Component: 2150 - total flux cleaned = 0.0219785 Jy ! Component: 2200 - total flux cleaned = 0.0221432 Jy ! Component: 2250 - total flux cleaned = 0.0223586 Jy ! Component: 2300 - total flux cleaned = 0.0224128 Jy ! Component: 2350 - total flux cleaned = 0.0226239 Jy ! Component: 2400 - total flux cleaned = 0.02278 Jy ! Component: 2450 - total flux cleaned = 0.0228826 Jy ! Component: 2500 - total flux cleaned = 0.0230362 Jy ! Component: 2550 - total flux cleaned = 0.0229866 Jy ! Component: 2600 - total flux cleaned = 0.0231866 Jy ! Component: 2650 - total flux cleaned = 0.0233843 Jy ! Component: 2700 - total flux cleaned = 0.0234815 Jy ! Component: 2750 - total flux cleaned = 0.0234811 Jy ! Component: 2800 - total flux cleaned = 0.0236726 Jy ! Component: 2850 - total flux cleaned = 0.0237669 Jy ! Component: 2900 - total flux cleaned = 0.0238128 Jy ! Component: 2950 - total flux cleaned = 0.0237203 Jy ! Component: 3000 - total flux cleaned = 0.0238118 Jy ! Component: 3050 - total flux cleaned = 0.0237206 Jy ! Component: 3100 - total flux cleaned = 0.0236297 Jy ! Component: 3150 - total flux cleaned = 0.0235404 Jy ! Component: 3200 - total flux cleaned = 0.0236728 Jy ! Component: 3250 - total flux cleaned = 0.0236288 Jy ! Component: 3300 - total flux cleaned = 0.0235414 Jy ! Component: 3350 - total flux cleaned = 0.0235416 Jy ! Component: 3400 - total flux cleaned = 0.0236273 Jy ! Component: 3450 - total flux cleaned = 0.0235418 Jy ! Component: 3500 - total flux cleaned = 0.0236254 Jy ! Component: 3550 - total flux cleaned = 0.0235417 Jy ! Component: 3600 - total flux cleaned = 0.0237074 Jy ! Component: 3650 - total flux cleaned = 0.0235018 Jy ! Component: 3700 - total flux cleaned = 0.0234613 Jy ! Component: 3750 - total flux cleaned = 0.0235023 Jy ! Component: 3800 - total flux cleaned = 0.0235021 Jy ! Component: 3850 - total flux cleaned = 0.023383 Jy ! Component: 3900 - total flux cleaned = 0.0235414 Jy ! Component: 3950 - total flux cleaned = 0.0235413 Jy ! Component: 4000 - total flux cleaned = 0.0235023 Jy ! Component: 4050 - total flux cleaned = 0.0235025 Jy ! Total flux subtracted in 4096 components = 0.0234637 Jy ! Clean residual min=-0.002206 max=0.001919 Jy/beam ! Clean residual mean=-0.000010 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 0.17623 Jy keep ! Adding 705 model components to the UV plane model. ! The established model now contains 852 components and 0.17623 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0957+5522_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.209 x 1.395 at -86 degrees (North through East) ! Clean map min=-0.0040563 max=0.051012 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0957+5522_X_map.fits wmodel /vlbi/uf001/uva//J0957+5522_X_map.mod ! Writing 852 model components to file: /vlbi/uf001/uva//J0957+5522_X_map.mod wobs /vlbi/uf001/uva//J0957+5522_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0957+5522_X_uvs.fits wwins /vlbi/uf001/uva//J0957+5522_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J0957+5522_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0510122 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000850935 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -5.0043 5.0043 10.0086 20.0172 40.0344 80.0689 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.051 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 59.948 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0957+5522_X_dfm.log closed on Mon Jan 14 00:41:07 2019