! Started logfile: /vlbi/bp222/maps//J0646+4451_X_dfm.log on Thu Sep 27 10:51:28 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//J0646+4451_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0646+4451_X_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.972222 visibilities/baseline/integration-bin. ! Found source: J0646+4451 ! ! 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 6720 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 J0646+4451_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 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=2.028025Jy sigma=27.579398 ! Fit after self-cal, rms=0.957100Jy sigma=12.987673 ! 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=0.662 mas, bmaj=2.333 mas, bpa=-40.11 degrees ! Estimated noise=1.42642 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 = 1.10303 Jy ! Component: 100 - total flux cleaned = 1.59574 Jy ! Total flux subtracted in 100 components = 1.59574 Jy ! Clean residual min=-0.098744 max=0.248828 Jy/beam ! Clean residual mean=-0.000194 rms=0.032540 Jy/beam ! Combined flux in latest and established models = 1.59574 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.59574 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=0.506843Jy sigma=6.901777 ! Fit after self-cal, rms=0.499046Jy sigma=6.829954 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.258817 Jy ! Component: 100 - total flux cleaned = 0.405549 Jy ! Total flux subtracted in 100 components = 0.405549 Jy ! Clean residual min=-0.051157 max=0.102795 Jy/beam ! Clean residual mean=-0.000096 rms=0.014969 Jy/beam ! Combined flux in latest and established models = 2.00128 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 2.00128 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=0.248552Jy sigma=3.343769 ! Fit after self-cal, rms=0.246007Jy sigma=3.322060 ! Inverting map ! Added new window around map position (-13, 4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0962638 Jy ! Component: 100 - total flux cleaned = 0.155381 Jy ! Total flux subtracted in 100 components = 0.155381 Jy ! Clean residual min=-0.043611 max=0.061379 Jy/beam ! Clean residual mean=-0.000062 rms=0.010216 Jy/beam ! Combined flux in latest and established models = 2.15667 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 2.15667 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=0.179738Jy sigma=2.421055 ! Fit after self-cal, rms=0.178200Jy sigma=2.399219 ! 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=0.9102 mas, bmaj=2.314 mas, bpa=-41.5 degrees ! Estimated noise=0.688548 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, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0923287 Jy ! Component: 100 - total flux cleaned = 0.150967 Jy ! Component: 150 - total flux cleaned = 0.193256 Jy ! Component: 200 - total flux cleaned = 0.224537 Jy ! Total flux subtracted in 200 components = 0.224537 Jy ! Clean residual min=-0.038187 max=0.050623 Jy/beam ! Clean residual mean=-0.000154 rms=0.008594 Jy/beam ! Combined flux in latest and established models = 2.3812 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 47 components and 2.3812 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=0.112503Jy sigma=1.451984 ! Fit after self-cal, rms=0.108613Jy sigma=1.404138 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9102 x 2.314 at -41.5 degrees (North through East) ! Clean map min=-0.036071 max=1.5166 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.97 KP 1.01 ! LA 0.97 MK 0.98 NL 1.04 PT 0.94 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.97 KP 1.02 ! LA 0.97 MK 0.98 NL 1.04 PT 0.94 ! SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 0.97 KP 1.01 ! LA 0.98 MK 0.99 NL 1.04 PT 0.94 ! SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.97 KP 1.00 ! LA 0.98 MK 1.00 NL 1.04 PT 0.94 ! SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.98 KP 1.01 ! LA 0.98 MK 0.98 NL 1.04 PT 0.94 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 0.98 KP 1.02 ! LA 0.98 MK 1.00 NL 1.04 PT 0.94 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.97 KP 1.01 ! LA 0.98 MK 1.00 NL 1.04 PT 0.94 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.98 KP 1.02 ! LA 0.98 MK 1.01 NL 1.04 PT 0.94 ! SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 0.98 KP 1.02 ! LA 0.98 MK 1.04 NL 1.05 PT 0.95 ! SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.98 KP 1.02 ! LA 0.98 MK 1.02 NL 1.06 PT 0.95 ! SC 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.98 KP 1.02 ! LA 0.98 MK 1.02 NL 1.04 PT 0.95 ! SC 1.04 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 1.00 KP 1.03 ! LA 0.98 MK 1.03 NL 1.04 PT 0.95 ! SC 1.02 ! ! ! Fit before self-cal, rms=0.108613Jy sigma=1.404138 ! Fit after self-cal, rms=0.077635Jy sigma=0.958911 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9128 mas, bmaj=2.318 mas, bpa=-41.65 degrees ! Estimated noise=0.684581 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 = -0.00433893 Jy ! Component: 100 - total flux cleaned = -0.00710384 Jy ! Component: 150 - total flux cleaned = -0.00875494 Jy ! Component: 200 - total flux cleaned = -0.00958922 Jy ! Total flux subtracted in 200 components = -0.00958922 Jy ! Clean residual min=-0.015010 max=0.010658 Jy/beam ! Clean residual mean=0.000019 rms=0.003059 Jy/beam ! Combined flux in latest and established models = 2.37161 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 70 components and 2.37161 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=0.073960Jy sigma=0.918158 ! Fit after self-cal, rms=0.073829Jy sigma=0.915952 ! 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=0.073829Jy sigma=0.915952 ! Fit after self-cal, rms=0.073437Jy sigma=0.911934 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9133 mas, bmaj=2.316 mas, bpa=-41.67 degrees ! Estimated noise=0.684338 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00596558 Jy ! Component: 100 - total flux cleaned = -0.00649222 Jy ! Component: 150 - total flux cleaned = -0.00670933 Jy ! Component: 200 - total flux cleaned = -0.00650755 Jy ! Total flux subtracted in 200 components = -0.00650755 Jy ! Clean residual min=-0.012848 max=0.009921 Jy/beam ! Clean residual mean=0.000022 rms=0.002696 Jy/beam ! Combined flux in latest and established models = 2.36511 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 82 components and 2.36511 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=0.071546Jy sigma=0.891522 ! Fit after self-cal, rms=0.071463Jy sigma=0.890026 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 = -0.00387131 Jy ! Component: 100 - total flux cleaned = -0.0040549 Jy ! Component: 150 - total flux cleaned = -0.0038875 Jy ! Component: 200 - total flux cleaned = -0.00374049 Jy ! Total flux subtracted in 200 components = -0.00374049 Jy ! Clean residual min=-0.011872 max=0.009308 Jy/beam ! Clean residual mean=0.000020 rms=0.002518 Jy/beam ! Combined flux in latest and established models = 2.36137 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 93 components and 2.36137 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=0.070603Jy sigma=0.881157 ! Fit after self-cal, rms=0.070560Jy sigma=0.880502 ! 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=0.070560Jy sigma=0.880502 ! Fit after self-cal, rms=0.070042Jy sigma=0.875551 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9129 mas, bmaj=2.315 mas, bpa=-41.68 degrees ! Estimated noise=0.683544 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00519212 Jy ! Component: 100 - total flux cleaned = -0.00485949 Jy ! Component: 150 - total flux cleaned = -0.00499731 Jy ! Component: 200 - total flux cleaned = -0.00512281 Jy ! Total flux subtracted in 200 components = -0.00512281 Jy ! Clean residual min=-0.010534 max=0.008701 Jy/beam ! Clean residual mean=0.000021 rms=0.002274 Jy/beam ! Combined flux in latest and established models = 2.35624 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 100 components and 2.35624 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=0.069166Jy sigma=0.865289 ! Fit after self-cal, rms=0.069115Jy sigma=0.864440 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 = -0.00257015 Jy ! Component: 100 - total flux cleaned = -0.00257716 Jy ! Component: 150 - total flux cleaned = -0.00247463 Jy ! Component: 200 - total flux cleaned = -0.00247435 Jy ! Total flux subtracted in 200 components = -0.00247435 Jy ! Clean residual min=-0.009975 max=0.008546 Jy/beam ! Clean residual mean=0.000020 rms=0.002171 Jy/beam ! Combined flux in latest and established models = 2.35377 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 113 components and 2.35377 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=0.068738Jy sigma=0.860237 ! Fit after self-cal, rms=0.068715Jy sigma=0.859897 ! 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=0.068715Jy sigma=0.859897 ! Fit after self-cal, rms=0.068356Jy sigma=0.856519 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.046 mas, bmaj=2.596 mas, bpa=-54.52 degrees ! Estimated noise=0.822546 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00466084 Jy ! Component: 100 - total flux cleaned = -0.00528279 Jy ! Component: 150 - total flux cleaned = -0.0055217 Jy ! Component: 200 - total flux cleaned = -0.00573962 Jy ! Total flux subtracted in 200 components = -0.00573962 Jy ! Clean residual min=-0.008569 max=0.009303 Jy/beam ! Clean residual mean=0.000044 rms=0.002611 Jy/beam ! Combined flux in latest and established models = 2.34803 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 126 components and 2.34803 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=0.068073Jy sigma=0.851929 ! Fit after self-cal, rms=0.068004Jy sigma=0.851169 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 = -0.00182357 Jy ! Component: 100 - total flux cleaned = -0.00220723 Jy ! Component: 150 - total flux cleaned = -0.00246268 Jy ! Component: 200 - total flux cleaned = -0.00261602 Jy ! Total flux subtracted in 200 components = -0.00261602 Jy ! Clean residual min=-0.007836 max=0.009146 Jy/beam ! Clean residual mean=0.000040 rms=0.002434 Jy/beam ! Combined flux in latest and established models = 2.34541 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 132 components and 2.34541 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=0.067994Jy sigma=0.850836 ! Fit after self-cal, rms=0.067965Jy sigma=0.850509 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.9127 mas, bmaj=2.314 mas, bpa=-41.69 degrees ! Estimated noise=0.682966 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9127 x 2.314 at -41.69 degrees (North through East) ! Clean map min=-0.017782 max=1.5116 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=0.067965Jy sigma=0.850509 ! Fit after self-cal, rms=0.062734Jy sigma=0.776879 ! Inverting map and beam ! Estimated beam: bmin=0.9112 mas, bmaj=2.314 mas, bpa=-41.69 degrees ! Estimated noise=0.682093 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00290451 Jy ! Component: 100 - total flux cleaned = -0.00380278 Jy ! Component: 150 - total flux cleaned = -0.00425635 Jy ! Component: 200 - total flux cleaned = -0.0045599 Jy ! Total flux subtracted in 200 components = -0.0045599 Jy ! Clean residual min=-0.007416 max=0.007366 Jy/beam ! Clean residual mean=0.000021 rms=0.001789 Jy/beam ! Combined flux in latest and established models = 2.34085 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 147 components and 2.34085 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=0.062179Jy sigma=0.770348 ! Fit after self-cal, rms=0.062161Jy sigma=0.769917 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000929905 Jy ! Component: 100 - total flux cleaned = -0.00121218 Jy ! Component: 150 - total flux cleaned = -0.00146972 Jy ! Component: 200 - total flux cleaned = -0.00154952 Jy ! Total flux subtracted in 200 components = -0.00154952 Jy ! Clean residual min=-0.007083 max=0.006871 Jy/beam ! Clean residual mean=0.000020 rms=0.001729 Jy/beam ! Combined flux in latest and established models = 2.3393 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 154 components and 2.3393 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=0.061903Jy sigma=0.767016 ! Fit after self-cal, rms=0.061892Jy sigma=0.766835 ! 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=0.061892Jy sigma=0.766835 ! Fit after self-cal, rms=0.061761Jy sigma=0.765113 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=0.6627 mas, bmaj=2.328 mas, bpa=-40.25 degrees ! Estimated noise=1.41795 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.10197 Jy ! Component: 100 - total flux cleaned = 1.59834 Jy ! Component: 150 - total flux cleaned = 1.85108 Jy ! Component: 200 - total flux cleaned = 1.99507 Jy ! Total flux subtracted in 200 components = 1.99507 Jy ! Clean residual min=-0.033985 max=0.081612 Jy/beam ! Clean residual mean=-0.000064 rms=0.011109 Jy/beam ! Combined flux in latest and established models = 1.99507 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 13 model components to the UV plane model. ! The established model now contains 13 components and 1.99507 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9121 mas, bmaj=2.313 mas, bpa=-41.7 degrees ! Estimated noise=0.682211 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 = 0.123351 Jy ! Component: 100 - total flux cleaned = 0.188201 Jy ! Component: 150 - total flux cleaned = 0.230815 Jy ! Component: 200 - total flux cleaned = 0.260445 Jy ! Total flux subtracted in 200 components = 0.260445 Jy ! Clean residual min=-0.013991 max=0.022399 Jy/beam ! Clean residual mean=-0.000050 rms=0.005205 Jy/beam ! Combined flux in latest and established models = 2.25552 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 39 components and 2.25552 Jy ! Inverting map ! Added new window around map position (-1.8, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0236411 Jy ! Component: 100 - total flux cleaned = 0.0407942 Jy ! Component: 150 - total flux cleaned = 0.0533527 Jy ! Component: 200 - total flux cleaned = 0.06051 Jy ! Total flux subtracted in 200 components = 0.06051 Jy ! Clean residual min=-0.011072 max=0.011818 Jy/beam ! Clean residual mean=-0.000000 rms=0.003036 Jy/beam ! Combined flux in latest and established models = 2.31603 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 70 components and 2.31603 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=2.047 mas, bmaj=2.594 mas, bpa=-54.54 degrees ! Estimated noise=0.82226 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0113546 Jy ! Component: 100 - total flux cleaned = 0.0129223 Jy ! Component: 150 - total flux cleaned = 0.0129174 Jy ! Component: 200 - total flux cleaned = 0.0125681 Jy ! Total flux subtracted in 200 components = 0.0125681 Jy ! Clean residual min=-0.010215 max=0.010734 Jy/beam ! Clean residual mean=0.000026 rms=0.003132 Jy/beam ! Combined flux in latest and established models = 2.3286 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 = -0.000557593 Jy ! Component: 100 - total flux cleaned = -0.00101076 Jy ! Component: 150 - total flux cleaned = -0.00120497 Jy ! Component: 200 - total flux cleaned = -0.0017374 Jy ! Total flux subtracted in 200 components = -0.0017374 Jy ! Clean residual min=-0.007935 max=0.007859 Jy/beam ! Clean residual mean=0.000026 rms=0.002349 Jy/beam ! Combined flux in latest and established models = 2.32686 Jy ! Adding 82 model components to the UV plane model. ! The established model now contains 145 components and 2.32686 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9121 mas, bmaj=2.313 mas, bpa=-41.7 degrees ! Estimated noise=0.682211 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00117087 Jy ! Component: 100 - total flux cleaned = -0.00151446 Jy ! Component: 150 - total flux cleaned = -0.0019817 Jy ! Component: 200 - total flux cleaned = -0.00240755 Jy ! Total flux subtracted in 200 components = -0.00240755 Jy ! Clean residual min=-0.007418 max=0.006185 Jy/beam ! Clean residual mean=0.000010 rms=0.001634 Jy/beam ! Combined flux in latest and established models = 2.32445 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 165 components and 2.32445 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=0.061718Jy sigma=0.764730 ! Fit after self-cal, rms=0.061608Jy sigma=0.762588 wmodel J0646+4451_X_map.mod ! Writing 165 model components to file: J0646+4451_X_map.mod wobs J0646+4451_X_uvs.fits ! Writing UV FITS file: J0646+4451_X_uvs.fits wwins J0646+4451_X_map.win ! wwins: Wrote 4 windows to J0646+4451_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 = -0.00218231 Jy ! Component: 100 - total flux cleaned = -0.00228401 Jy ! Component: 150 - total flux cleaned = -0.002378 Jy ! Component: 200 - total flux cleaned = -0.0022855 Jy ! Component: 250 - total flux cleaned = -0.00220023 Jy ! Component: 300 - total flux cleaned = -0.00243801 Jy ! Component: 350 - total flux cleaned = -0.00266574 Jy ! Component: 400 - total flux cleaned = -0.00295922 Jy ! Component: 450 - total flux cleaned = -0.00323888 Jy ! Component: 500 - total flux cleaned = -0.00350359 Jy ! Component: 550 - total flux cleaned = -0.0034375 Jy ! Component: 600 - total flux cleaned = -0.00337609 Jy ! Component: 650 - total flux cleaned = -0.0034362 Jy ! Component: 700 - total flux cleaned = -0.00343645 Jy ! Component: 750 - total flux cleaned = -0.00327207 Jy ! Component: 800 - total flux cleaned = -0.00327176 Jy ! Component: 850 - total flux cleaned = -0.00311848 Jy ! Component: 900 - total flux cleaned = -0.00307 Jy ! Component: 950 - total flux cleaned = -0.0028312 Jy ! Component: 1000 - total flux cleaned = -0.00273948 Jy ! Component: 1050 - total flux cleaned = -0.00255852 Jy ! Component: 1100 - total flux cleaned = -0.00234234 Jy ! Component: 1150 - total flux cleaned = -0.00234272 Jy ! Component: 1200 - total flux cleaned = -0.00230149 Jy ! Component: 1250 - total flux cleaned = -0.00230222 Jy ! Component: 1300 - total flux cleaned = -0.00226491 Jy ! Component: 1350 - total flux cleaned = -0.00237948 Jy ! Component: 1400 - total flux cleaned = -0.00260129 Jy ! Component: 1450 - total flux cleaned = -0.00260039 Jy ! Component: 1500 - total flux cleaned = -0.00270495 Jy ! Component: 1550 - total flux cleaned = -0.00260195 Jy ! Component: 1600 - total flux cleaned = -0.00276989 Jy ! Component: 1650 - total flux cleaned = -0.00267072 Jy ! Component: 1700 - total flux cleaned = -0.00263923 Jy ! Component: 1750 - total flux cleaned = -0.00273404 Jy ! Component: 1800 - total flux cleaned = -0.00276395 Jy ! Component: 1850 - total flux cleaned = -0.00276312 Jy ! Component: 1900 - total flux cleaned = -0.00258402 Jy ! Component: 1950 - total flux cleaned = -0.00270024 Jy ! Component: 2000 - total flux cleaned = -0.00258584 Jy ! Component: 2050 - total flux cleaned = -0.00261407 Jy ! Component: 2100 - total flux cleaned = -0.00264113 Jy ! Component: 2150 - total flux cleaned = -0.00261468 Jy ! Component: 2200 - total flux cleaned = -0.00258831 Jy ! Component: 2250 - total flux cleaned = -0.0025617 Jy ! Component: 2300 - total flux cleaned = -0.00253573 Jy ! Component: 2350 - total flux cleaned = -0.0026118 Jy ! Component: 2400 - total flux cleaned = -0.00263639 Jy ! Component: 2450 - total flux cleaned = -0.0025868 Jy ! Component: 2500 - total flux cleaned = -0.00256253 Jy ! Component: 2550 - total flux cleaned = -0.00261039 Jy ! Component: 2600 - total flux cleaned = -0.00263397 Jy ! Component: 2650 - total flux cleaned = -0.00256431 Jy ! Component: 2700 - total flux cleaned = -0.00263281 Jy ! Component: 2750 - total flux cleaned = -0.00256508 Jy ! Component: 2800 - total flux cleaned = -0.00258754 Jy ! Component: 2850 - total flux cleaned = -0.00263165 Jy ! Component: 2900 - total flux cleaned = -0.0026315 Jy ! Component: 2950 - total flux cleaned = -0.00263205 Jy ! Component: 3000 - total flux cleaned = -0.0026958 Jy ! Component: 3050 - total flux cleaned = -0.00273763 Jy ! Component: 3100 - total flux cleaned = -0.00269617 Jy ! Component: 3150 - total flux cleaned = -0.00271709 Jy ! Component: 3200 - total flux cleaned = -0.00273751 Jy ! Component: 3250 - total flux cleaned = -0.00265746 Jy ! Component: 3300 - total flux cleaned = -0.00267737 Jy ! Component: 3350 - total flux cleaned = -0.00269681 Jy ! Component: 3400 - total flux cleaned = -0.00267717 Jy ! Component: 3450 - total flux cleaned = -0.00260054 Jy ! Component: 3500 - total flux cleaned = -0.0025435 Jy ! Component: 3550 - total flux cleaned = -0.00244976 Jy ! Component: 3600 - total flux cleaned = -0.00235703 Jy ! Component: 3650 - total flux cleaned = -0.00232033 Jy ! Component: 3700 - total flux cleaned = -0.00226578 Jy ! Component: 3750 - total flux cleaned = -0.00224776 Jy ! Component: 3800 - total flux cleaned = -0.00219391 Jy ! Component: 3850 - total flux cleaned = -0.00210528 Jy ! Component: 3900 - total flux cleaned = -0.00205271 Jy ! Component: 3950 - total flux cleaned = -0.00196589 Jy ! Component: 4000 - total flux cleaned = -0.00194872 Jy ! Component: 4050 - total flux cleaned = -0.00189731 Jy ! Total flux subtracted in 4096 components = -0.0018635 Jy ! Clean residual min=-0.001190 max=0.000993 Jy/beam ! Clean residual mean=-0.000001 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 2.32259 Jy keep ! Adding 285 model components to the UV plane model. ! The established model now contains 450 components and 2.32259 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0646+4451_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9121 x 2.313 at -41.7 degrees (North through East) ! Clean map min=-0.0085045 max=1.5097 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0646+4451_X_map.fits wmodel /vlbi/bp222/maps//J0646+4451_X_map.mod ! Writing 450 model components to file: /vlbi/bp222/maps//J0646+4451_X_map.mod wobs /vlbi/bp222/maps//J0646+4451_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0646+4451_X_uvs.fits wwins /vlbi/bp222/maps//J0646+4451_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J0646+4451_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.50968 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000289042 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0574376 0.0574376 0.114875 0.229751 0.459501 0.919002 1.838 3.67601 7.35202 14.704 29.4081 58.8162 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.509 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 5223.06 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0646+4451_X_dfm.log closed on Thu Sep 27 10:51:33 2018