! Started logfile: /vlbi/bp222/maps//J1637+4717_X_dfm.log on Thu Sep 27 11:23:36 2018 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/bp222/maps//J1637+4717_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1637+4717_X_uva.fits ! AN table 1: 16 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.919643 visibilities/baseline/integration-bin. ! Found source: J1637+4717 ! ! 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 121 lines of history. ! ! Reading 4944 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 J1637+4717_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 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.274224Jy sigma=14.878691 ! Fit after self-cal, rms=0.302507Jy sigma=3.394575 ! 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=0.8687 mas, bmaj=2.433 mas, bpa=73.88 degrees ! Estimated noise=1.48253 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 = 0.544756 Jy ! Component: 100 - total flux cleaned = 0.666379 Jy ! Total flux subtracted in 100 components = 0.666379 Jy ! Clean residual min=-0.041001 max=0.059048 Jy/beam ! Clean residual mean=-0.000418 rms=0.010742 Jy/beam ! Combined flux in latest and established models = 0.666379 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.666379 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=0.156368Jy sigma=1.939700 ! Fit after self-cal, rms=0.156388Jy sigma=1.938962 ! 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=1.129 mas, bmaj=2.614 mas, bpa=73.72 degrees ! Estimated noise=0.890501 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 = 0.0837258 Jy ! Component: 100 - total flux cleaned = 0.129932 Jy ! Component: 150 - total flux cleaned = 0.159588 Jy ! Component: 200 - total flux cleaned = 0.179381 Jy ! Total flux subtracted in 200 components = 0.179381 Jy ! Clean residual min=-0.033009 max=0.063226 Jy/beam ! Clean residual mean=-0.000655 rms=0.010018 Jy/beam ! Combined flux in latest and established models = 0.84576 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 22 components and 0.84576 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=0.111135Jy sigma=1.256420 ! Fit after self-cal, rms=0.111036Jy sigma=1.254903 ! Inverting map ! Added new window around map position (-1.4, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0536918 Jy ! Component: 100 - total flux cleaned = 0.0775449 Jy ! Component: 150 - total flux cleaned = 0.0795001 Jy ! Component: 200 - total flux cleaned = 0.0785297 Jy ! Total flux subtracted in 200 components = 0.0785297 Jy ! Clean residual min=-0.021711 max=0.032263 Jy/beam ! Clean residual mean=-0.000316 rms=0.005438 Jy/beam ! Combined flux in latest and established models = 0.92429 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 44 components and 0.92429 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=0.082510Jy sigma=0.912267 ! Fit after self-cal, rms=0.079525Jy sigma=0.881808 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.129 x 2.614 at 73.72 degrees (North through East) ! Clean map min=-0.019338 max=0.71675 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.96 KP 1.03 ! LA 1.00 NL 1.08 PT 0.95 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.95 KP 1.04 ! LA 1.00 NL 1.08 PT 0.95 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 0.94 KP 1.04 ! LA 1.01 NL 1.07 PT 0.95 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.96 KP 1.03 ! LA 1.00 NL 1.07 PT 0.95 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.96 KP 1.03 ! LA 1.01 NL 1.07 PT 0.94 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.95 KP 1.04 ! LA 0.99 NL 1.07 PT 0.95 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.97 KP 1.03 ! LA 0.99 NL 1.07 PT 0.95 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.97 KP 1.03 ! LA 1.00 NL 1.06 PT 0.94 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.96 KP 1.04 ! LA 0.99 NL 1.07 PT 0.95 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 0.96 KP 1.03 ! LA 0.99 NL 1.06 PT 0.94 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 0.97 KP 1.04 ! LA 1.00 NL 1.04 PT 0.94 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.97 KP 1.04 ! LA 1.00 NL 1.04 PT 0.95 SC 0.98 ! ! ! Fit before self-cal, rms=0.079525Jy sigma=0.881808 ! Fit after self-cal, rms=0.070248Jy sigma=0.782253 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=2.604 mas, bpa=73.62 degrees ! Estimated noise=0.884901 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.6, 16.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0127417 Jy ! Component: 100 - total flux cleaned = 0.0109996 Jy ! Component: 150 - total flux cleaned = 0.00955604 Jy ! Component: 200 - total flux cleaned = 0.00905658 Jy ! Total flux subtracted in 200 components = 0.00905658 Jy ! Clean residual min=-0.008773 max=0.009124 Jy/beam ! Clean residual mean=-0.000059 rms=0.002126 Jy/beam ! Combined flux in latest and established models = 0.933347 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 61 components and 0.933347 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=0.065677Jy sigma=0.735806 ! Fit after self-cal, rms=0.065374Jy sigma=0.733142 ! 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=0.065374Jy sigma=0.733142 ! Fit after self-cal, rms=0.065146Jy sigma=0.731569 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=2.6 mas, bpa=73.65 degrees ! Estimated noise=0.881674 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00220424 Jy ! Component: 100 - total flux cleaned = 0.00220284 Jy ! Component: 150 - total flux cleaned = 0.00183497 Jy ! Component: 200 - total flux cleaned = 0.00131492 Jy ! Total flux subtracted in 200 components = 0.00131492 Jy ! Clean residual min=-0.006845 max=0.006579 Jy/beam ! Clean residual mean=-0.000052 rms=0.001709 Jy/beam ! Combined flux in latest and established models = 0.934662 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 75 components and 0.934662 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=0.063726Jy sigma=0.718758 ! Fit after self-cal, rms=0.063634Jy sigma=0.718030 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 = 0.000541794 Jy ! Component: 100 - total flux cleaned = 0.000541348 Jy ! Component: 150 - total flux cleaned = 0.000250348 Jy ! Component: 200 - total flux cleaned = -0.000151686 Jy ! Total flux subtracted in 200 components = -0.000151686 Jy ! Clean residual min=-0.005842 max=0.005675 Jy/beam ! Clean residual mean=-0.000051 rms=0.001484 Jy/beam ! Combined flux in latest and established models = 0.93451 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 84 components and 0.93451 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=0.062920Jy sigma=0.711377 ! Fit after self-cal, rms=0.062890Jy sigma=0.711113 ! 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=0.062890Jy sigma=0.711113 ! Fit after self-cal, rms=0.062859Jy sigma=0.710827 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=2.598 mas, bpa=73.67 degrees ! Estimated noise=0.880978 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000899127 Jy ! Component: 100 - total flux cleaned = 0.000527611 Jy ! Component: 150 - total flux cleaned = 0.000183085 Jy ! Component: 200 - total flux cleaned = -0.000139497 Jy ! Total flux subtracted in 200 components = -0.000139497 Jy ! Clean residual min=-0.005062 max=0.005030 Jy/beam ! Clean residual mean=-0.000048 rms=0.001323 Jy/beam ! Combined flux in latest and established models = 0.934371 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 95 components and 0.934371 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=0.062384Jy sigma=0.706732 ! Fit after self-cal, rms=0.062372Jy sigma=0.706605 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 = 0.000349569 Jy ! Component: 100 - total flux cleaned = 0.00015676 Jy ! Component: 150 - total flux cleaned = -2.67746e-05 Jy ! Component: 200 - total flux cleaned = -0.000287005 Jy ! Total flux subtracted in 200 components = -0.000287005 Jy ! Clean residual min=-0.004609 max=0.004609 Jy/beam ! Clean residual mean=-0.000048 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 0.934084 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 102 components and 0.934084 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=0.062085Jy sigma=0.704058 ! Fit after self-cal, rms=0.062080Jy sigma=0.703996 ! 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=0.062080Jy sigma=0.703996 ! Fit after self-cal, rms=0.062054Jy sigma=0.703825 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.363 mas, bmaj=2.945 mas, bpa=81.5 degrees ! Estimated noise=1.02856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.82442e-05 Jy ! Component: 100 - total flux cleaned = -0.000276525 Jy ! Component: 150 - total flux cleaned = -0.000682864 Jy ! Component: 200 - total flux cleaned = -0.000968805 Jy ! Total flux subtracted in 200 components = -0.000968805 Jy ! Clean residual min=-0.004982 max=0.005664 Jy/beam ! Clean residual mean=-0.000083 rms=0.001579 Jy/beam ! Combined flux in latest and established models = 0.933115 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 109 components and 0.933115 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=0.061878Jy sigma=0.702517 ! Fit after self-cal, rms=0.061868Jy sigma=0.702458 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 = 7.48591e-05 Jy ! Component: 100 - total flux cleaned = 7.80384e-05 Jy ! Component: 150 - total flux cleaned = 7.85212e-05 Jy ! Component: 200 - total flux cleaned = 0.00013416 Jy ! Total flux subtracted in 200 components = 0.00013416 Jy ! Clean residual min=-0.004777 max=0.005498 Jy/beam ! Clean residual mean=-0.000082 rms=0.001523 Jy/beam ! Combined flux in latest and established models = 0.933249 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 118 components and 0.933249 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=0.061763Jy sigma=0.701637 ! Fit after self-cal, rms=0.061760Jy sigma=0.701597 ! 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=1.122 mas, bmaj=2.597 mas, bpa=73.69 degrees ! Estimated noise=0.880433 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.122 x 2.597 at 73.69 degrees (North through East) ! Clean map min=-0.0048765 max=0.7077 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=0.061760Jy sigma=0.701597 ! Fit after self-cal, rms=0.057347Jy sigma=0.638112 ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=2.598 mas, bpa=73.71 degrees ! Estimated noise=0.879826 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000573424 Jy ! Component: 100 - total flux cleaned = -0.000860729 Jy ! Component: 150 - total flux cleaned = -0.000923973 Jy ! Component: 200 - total flux cleaned = -0.00104673 Jy ! Total flux subtracted in 200 components = -0.00104673 Jy ! Clean residual min=-0.004001 max=0.003544 Jy/beam ! Clean residual mean=-0.000036 rms=0.001009 Jy/beam ! Combined flux in latest and established models = 0.932202 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 129 components and 0.932202 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=0.057177Jy sigma=0.636497 ! Fit after self-cal, rms=0.057178Jy sigma=0.636448 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000354215 Jy ! Component: 100 - total flux cleaned = -0.0004626 Jy ! Component: 150 - total flux cleaned = -0.00056502 Jy ! Component: 200 - total flux cleaned = -0.000614292 Jy ! Total flux subtracted in 200 components = -0.000614292 Jy ! Clean residual min=-0.003814 max=0.003381 Jy/beam ! Clean residual mean=-0.000038 rms=0.000971 Jy/beam ! Combined flux in latest and established models = 0.931588 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 134 components and 0.931588 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=0.057081Jy sigma=0.635598 ! Fit after self-cal, rms=0.057081Jy sigma=0.635586 ! 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=0.057081Jy sigma=0.635586 ! Fit after self-cal, rms=0.057086Jy sigma=0.635481 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=0.8651 mas, bmaj=2.421 mas, bpa=73.88 degrees ! Estimated noise=1.45741 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.535568 Jy ! Component: 100 - total flux cleaned = 0.658318 Jy ! Component: 150 - total flux cleaned = 0.71811 Jy ! Component: 200 - total flux cleaned = 0.758946 Jy ! Total flux subtracted in 200 components = 0.758946 Jy ! Clean residual min=-0.017293 max=0.025920 Jy/beam ! Clean residual mean=-0.000238 rms=0.005650 Jy/beam ! Combined flux in latest and established models = 0.758946 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.758946 Jy ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=2.598 mas, bpa=73.71 degrees ! Estimated noise=0.879788 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) ! Added new window around map position (4.6, 12.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.057373 Jy ! Component: 100 - total flux cleaned = 0.0933646 Jy ! Component: 150 - total flux cleaned = 0.117058 Jy ! Component: 200 - total flux cleaned = 0.133126 Jy ! Total flux subtracted in 200 components = 0.133126 Jy ! Clean residual min=-0.008638 max=0.011702 Jy/beam ! Clean residual mean=-0.000205 rms=0.002886 Jy/beam ! Combined flux in latest and established models = 0.892072 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 74 components and 0.892072 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=2.363 mas, bmaj=2.947 mas, bpa=81.69 degrees ! Estimated noise=1.02764 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0172142 Jy ! Component: 100 - total flux cleaned = 0.0266836 Jy ! Component: 150 - total flux cleaned = 0.0314684 Jy ! Component: 200 - total flux cleaned = 0.0337472 Jy ! Total flux subtracted in 200 components = 0.0337472 Jy ! Clean residual min=-0.005601 max=0.005120 Jy/beam ! Clean residual mean=-0.000113 rms=0.001808 Jy/beam ! Combined flux in latest and established models = 0.925819 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 = 0.00187015 Jy ! Component: 100 - total flux cleaned = 0.00321417 Jy ! Component: 150 - total flux cleaned = 0.00412146 Jy ! Component: 200 - total flux cleaned = 0.00439886 Jy ! Total flux subtracted in 200 components = 0.00439886 Jy ! Clean residual min=-0.004956 max=0.005095 Jy/beam ! Clean residual mean=-0.000083 rms=0.001582 Jy/beam ! Combined flux in latest and established models = 0.930218 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 138 components and 0.930218 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=2.598 mas, bpa=73.71 degrees ! Estimated noise=0.879788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000181998 Jy ! Component: 100 - total flux cleaned = -0.000639334 Jy ! Component: 150 - total flux cleaned = -0.00102944 Jy ! Component: 200 - total flux cleaned = -0.000852701 Jy ! Total flux subtracted in 200 components = -0.000852701 Jy ! Clean residual min=-0.004139 max=0.003976 Jy/beam ! Clean residual mean=-0.000046 rms=0.001103 Jy/beam ! Combined flux in latest and established models = 0.929365 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 162 components and 0.929365 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=0.057463Jy sigma=0.639918 ! Fit after self-cal, rms=0.057318Jy sigma=0.638152 wmodel J1637+4717_X_map.mod ! Writing 162 model components to file: J1637+4717_X_map.mod wobs J1637+4717_X_uvs.fits ! Writing UV FITS file: J1637+4717_X_uvs.fits wwins J1637+4717_X_map.win ! wwins: Wrote 4 windows to J1637+4717_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 = 0.000172647 Jy ! Component: 100 - total flux cleaned = -0.000202611 Jy ! Component: 150 - total flux cleaned = -0.000662277 Jy ! Component: 200 - total flux cleaned = -0.000870098 Jy ! Component: 250 - total flux cleaned = -0.00106744 Jy ! Component: 300 - total flux cleaned = -0.00116024 Jy ! Component: 350 - total flux cleaned = -0.00155591 Jy ! Component: 400 - total flux cleaned = -0.00176304 Jy ! Component: 450 - total flux cleaned = -0.0018828 Jy ! Component: 500 - total flux cleaned = -0.00196077 Jy ! Component: 550 - total flux cleaned = -0.00199751 Jy ! Component: 600 - total flux cleaned = -0.00203167 Jy ! Component: 650 - total flux cleaned = -0.00203241 Jy ! Component: 700 - total flux cleaned = -0.00203182 Jy ! Component: 750 - total flux cleaned = -0.00203161 Jy ! Component: 800 - total flux cleaned = -0.00206158 Jy ! Component: 850 - total flux cleaned = -0.00211987 Jy ! Component: 900 - total flux cleaned = -0.00217633 Jy ! Component: 950 - total flux cleaned = -0.00214879 Jy ! Component: 1000 - total flux cleaned = -0.00220205 Jy ! Component: 1050 - total flux cleaned = -0.00220198 Jy ! Component: 1100 - total flux cleaned = -0.0022276 Jy ! Component: 1150 - total flux cleaned = -0.00220324 Jy ! Component: 1200 - total flux cleaned = -0.00217974 Jy ! Component: 1250 - total flux cleaned = -0.00215682 Jy ! Component: 1300 - total flux cleaned = -0.00213392 Jy ! Component: 1350 - total flux cleaned = -0.00213323 Jy ! Component: 1400 - total flux cleaned = -0.00206622 Jy ! Component: 1450 - total flux cleaned = -0.00197941 Jy ! Component: 1500 - total flux cleaned = -0.00200081 Jy ! Component: 1550 - total flux cleaned = -0.00197946 Jy ! Component: 1600 - total flux cleaned = -0.00187693 Jy ! Component: 1650 - total flux cleaned = -0.00187698 Jy ! Component: 1700 - total flux cleaned = -0.00181763 Jy ! Component: 1750 - total flux cleaned = -0.00183689 Jy ! Component: 1800 - total flux cleaned = -0.00177962 Jy ! Component: 1850 - total flux cleaned = -0.00174214 Jy ! Component: 1900 - total flux cleaned = -0.00172404 Jy ! Component: 1950 - total flux cleaned = -0.00174228 Jy ! Component: 2000 - total flux cleaned = -0.00168794 Jy ! Component: 2050 - total flux cleaned = -0.00167008 Jy ! Component: 2100 - total flux cleaned = -0.00167023 Jy ! Component: 2150 - total flux cleaned = -0.00163591 Jy ! Component: 2200 - total flux cleaned = -0.00163614 Jy ! Component: 2250 - total flux cleaned = -0.00165299 Jy ! Component: 2300 - total flux cleaned = -0.00166968 Jy ! Component: 2350 - total flux cleaned = -0.00163679 Jy ! Component: 2400 - total flux cleaned = -0.0016861 Jy ! Component: 2450 - total flux cleaned = -0.00170224 Jy ! Component: 2500 - total flux cleaned = -0.00171812 Jy ! Component: 2550 - total flux cleaned = -0.0017497 Jy ! Component: 2600 - total flux cleaned = -0.00171839 Jy ! Component: 2650 - total flux cleaned = -0.0017805 Jy ! Component: 2700 - total flux cleaned = -0.00179581 Jy ! Component: 2750 - total flux cleaned = -0.00178051 Jy ! Component: 2800 - total flux cleaned = -0.00179564 Jy ! Component: 2850 - total flux cleaned = -0.00179565 Jy ! Component: 2900 - total flux cleaned = -0.00175079 Jy ! Component: 2950 - total flux cleaned = -0.00175079 Jy ! Component: 3000 - total flux cleaned = -0.00169153 Jy ! Component: 3050 - total flux cleaned = -0.00170641 Jy ! Component: 3100 - total flux cleaned = -0.00166232 Jy ! Component: 3150 - total flux cleaned = -0.00163312 Jy ! Component: 3200 - total flux cleaned = -0.00160401 Jy ! Component: 3250 - total flux cleaned = -0.00158948 Jy ! Component: 3300 - total flux cleaned = -0.00160391 Jy ! Component: 3350 - total flux cleaned = -0.00157511 Jy ! Component: 3400 - total flux cleaned = -0.0015751 Jy ! Component: 3450 - total flux cleaned = -0.00154655 Jy ! Component: 3500 - total flux cleaned = -0.00156086 Jy ! Component: 3550 - total flux cleaned = -0.00154649 Jy ! Component: 3600 - total flux cleaned = -0.00153227 Jy ! Component: 3650 - total flux cleaned = -0.00150384 Jy ! Component: 3700 - total flux cleaned = -0.00148968 Jy ! Component: 3750 - total flux cleaned = -0.00146135 Jy ! Component: 3800 - total flux cleaned = -0.00146144 Jy ! Component: 3850 - total flux cleaned = -0.001391 Jy ! Component: 3900 - total flux cleaned = -0.00140507 Jy ! Component: 3950 - total flux cleaned = -0.00139103 Jy ! Component: 4000 - total flux cleaned = -0.00134897 Jy ! Component: 4050 - total flux cleaned = -0.00137702 Jy ! Total flux subtracted in 4096 components = -0.00136298 Jy ! Clean residual min=-0.000849 max=0.000896 Jy/beam ! Clean residual mean=-0.000010 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.928002 Jy keep ! Adding 245 model components to the UV plane model. ! The established model now contains 407 components and 0.928003 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1637+4717_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.121 x 2.598 at 73.71 degrees (North through East) ! Clean map min=-0.0029679 max=0.70252 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1637+4717_X_map.fits wmodel /vlbi/bp222/maps//J1637+4717_X_map.mod ! Writing 407 model components to file: /vlbi/bp222/maps//J1637+4717_X_map.mod wobs /vlbi/bp222/maps//J1637+4717_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1637+4717_X_uvs.fits wwins /vlbi/bp222/maps//J1637+4717_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1637+4717_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.702518 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000236264 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.100893 0.100893 0.201786 0.403573 0.807145 1.61429 3.22858 6.45716 12.9143 25.8286 51.6573 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.702 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2973.44 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1637+4717_X_dfm.log closed on Thu Sep 27 11:23:40 2018