! Started logfile: /vlbi/bp222/maps//J1746+6226_X_dfm.log on Mon Jan 14 17:09:51 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/bp222/maps//J1746+6226_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1746+6226_X_uva.fits ! AN table 1: 16 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.944196 visibilities/baseline/integration-bin. ! Found source: J1746+6226 ! ! 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 5076 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 J1746+6226_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 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.083806Jy sigma=14.712561 ! Fit after self-cal, rms=0.628124Jy sigma=8.488021 ! 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=0.6232 mas, bmaj=2.692 mas, bpa=-41.68 degrees ! Estimated noise=1.30562 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 = 0.27672 Jy ! Component: 100 - total flux cleaned = 0.345435 Jy ! Total flux subtracted in 100 components = 0.345435 Jy ! Clean residual min=-0.015513 max=0.029987 Jy/beam ! Clean residual mean=-0.000003 rms=0.004495 Jy/beam ! Combined flux in latest and established models = 0.345435 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.345435 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=0.079898Jy sigma=1.087202 ! Fit after self-cal, rms=0.079896Jy sigma=1.086987 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0330549 Jy ! Component: 100 - total flux cleaned = 0.0504905 Jy ! Total flux subtracted in 100 components = 0.0504905 Jy ! Clean residual min=-0.005688 max=0.008694 Jy/beam ! Clean residual mean=-0.000002 rms=0.001725 Jy/beam ! Combined flux in latest and established models = 0.395926 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 0.395926 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=0.061265Jy sigma=0.803241 ! Fit after self-cal, rms=0.061284Jy sigma=0.802840 ! 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=0.8004 mas, bmaj=2.71 mas, bpa=-42.34 degrees ! Estimated noise=0.764273 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 = 0.0128496 Jy ! Component: 100 - total flux cleaned = 0.0188153 Jy ! Component: 150 - total flux cleaned = 0.0223792 Jy ! Component: 200 - total flux cleaned = 0.0248589 Jy ! Total flux subtracted in 200 components = 0.0248589 Jy ! Clean residual min=-0.005317 max=0.004255 Jy/beam ! Clean residual mean=-0.000003 rms=0.001279 Jy/beam ! Combined flux in latest and established models = 0.420785 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 39 components and 0.420784 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=0.059203Jy sigma=0.761359 ! Fit after self-cal, rms=0.059213Jy sigma=0.761313 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8004 x 2.71 at -42.34 degrees (North through East) ! Clean map min=-0.0050828 max=0.3734 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.00 LA 0.95 ! MK 1.01 NL 0.98 OV 1.02 PT 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 0.99 LA 0.95 ! MK 0.99 NL 1.00 OV 1.01 PT 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 0.99 LA 0.95 ! MK 1.00 NL 1.00 OV 1.00 PT 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.01 LA 0.98 ! MK 1.00 NL 1.02 OV 1.00 PT 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.98 LA 0.97 ! MK 1.00 NL 0.99 OV 1.01 PT 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.96 LA 0.95 ! MK 1.00 NL 1.00 OV 1.01 PT 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.02 LA 0.97 ! MK 1.03 NL 0.99 OV 1.00 PT 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 0.97 LA 1.01 ! MK 0.99 NL 0.99 OV 1.02 PT 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 0.98 LA 0.97 ! MK 1.02 NL 1.00 OV 1.02 PT 1.03 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 1.02 LA 0.98 ! MK 0.97 NL 1.00 OV 1.00 PT 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.99 LA 0.98 ! MK 1.06 NL 1.01 OV 1.03 PT 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.99 LA 0.98 ! MK 1.00 NL 1.01 OV 1.02 PT 1.04 ! ! ! Fit before self-cal, rms=0.059213Jy sigma=0.761313 ! Fit after self-cal, rms=0.058403Jy sigma=0.743668 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8016 mas, bmaj=2.71 mas, bpa=-42.38 degrees ! Estimated noise=0.761418 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 = 0.00102335 Jy ! Component: 100 - total flux cleaned = 0.00149493 Jy ! Component: 150 - total flux cleaned = 0.00179712 Jy ! Component: 200 - total flux cleaned = 0.00203933 Jy ! Total flux subtracted in 200 components = 0.00203933 Jy ! Clean residual min=-0.002924 max=0.002662 Jy/beam ! Clean residual mean=-0.000000 rms=0.000686 Jy/beam ! Combined flux in latest and established models = 0.422824 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 0.422824 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=0.058338Jy sigma=0.743001 ! Fit after self-cal, rms=0.058352Jy sigma=0.742968 ! 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=0.058352Jy sigma=0.742968 ! Fit after self-cal, rms=0.058328Jy sigma=0.742863 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8015 mas, bmaj=2.709 mas, bpa=-42.41 degrees ! Estimated noise=0.761404 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000347808 Jy ! Component: 100 - total flux cleaned = 0.000510003 Jy ! Component: 150 - total flux cleaned = 0.000708603 Jy ! Component: 200 - total flux cleaned = 0.000802624 Jy ! Total flux subtracted in 200 components = 0.000802624 Jy ! Clean residual min=-0.002806 max=0.002545 Jy/beam ! Clean residual mean=-0.000000 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 0.423626 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 71 components and 0.423626 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=0.058298Jy sigma=0.742625 ! Fit after self-cal, rms=0.058298Jy sigma=0.742619 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 = 1.76477e-05 Jy ! Component: 100 - total flux cleaned = 6.76398e-05 Jy ! Component: 150 - total flux cleaned = 8.33398e-05 Jy ! Component: 200 - total flux cleaned = 0.000113127 Jy ! Total flux subtracted in 200 components = 0.000113127 Jy ! Clean residual min=-0.002797 max=0.002515 Jy/beam ! Clean residual mean=-0.000000 rms=0.000657 Jy/beam ! Combined flux in latest and established models = 0.42374 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 80 components and 0.42374 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=0.058289Jy sigma=0.742528 ! Fit after self-cal, rms=0.058290Jy sigma=0.742526 ! 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=0.058290Jy sigma=0.742526 ! Fit after self-cal, rms=0.058260Jy sigma=0.742439 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8015 mas, bmaj=2.71 mas, bpa=-42.43 degrees ! Estimated noise=0.761189 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.5864e-05 Jy ! Component: 100 - total flux cleaned = 0.000173194 Jy ! Component: 150 - total flux cleaned = 0.000290086 Jy ! Component: 200 - total flux cleaned = 0.000362392 Jy ! Total flux subtracted in 200 components = 0.000362392 Jy ! Clean residual min=-0.002728 max=0.002515 Jy/beam ! Clean residual mean=-0.000000 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.424102 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 83 components and 0.424102 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=0.058242Jy sigma=0.742323 ! Fit after self-cal, rms=0.058244Jy sigma=0.742318 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 = -1.90026e-05 Jy ! Component: 100 - total flux cleaned = -1.89265e-05 Jy ! Component: 150 - total flux cleaned = -6.53347e-06 Jy ! Component: 200 - total flux cleaned = 5.93781e-06 Jy ! Total flux subtracted in 200 components = 5.93781e-06 Jy ! Clean residual min=-0.002698 max=0.002503 Jy/beam ! Clean residual mean=-0.000000 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.424108 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 86 components and 0.424108 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=0.058238Jy sigma=0.742263 ! Fit after self-cal, rms=0.058239Jy sigma=0.742260 ! 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=0.058239Jy sigma=0.742260 ! Fit after self-cal, rms=0.058213Jy sigma=0.742198 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.076 mas, bmaj=2.936 mas, bpa=-50.7 degrees ! Estimated noise=0.974552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000257 Jy ! Component: 100 - total flux cleaned = 0.000217891 Jy ! Component: 150 - total flux cleaned = 0.00019439 Jy ! Component: 200 - total flux cleaned = 0.000173185 Jy ! Total flux subtracted in 200 components = 0.000173185 Jy ! Clean residual min=-0.003199 max=0.003250 Jy/beam ! Clean residual mean=-0.000000 rms=0.000986 Jy/beam ! Combined flux in latest and established models = 0.424281 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 90 components and 0.424281 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=0.058207Jy sigma=0.742150 ! Fit after self-cal, rms=0.058208Jy sigma=0.742140 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 = -5.55985e-05 Jy ! Component: 100 - total flux cleaned = -6.50538e-05 Jy ! Component: 150 - total flux cleaned = -5.57345e-05 Jy ! Component: 200 - total flux cleaned = -5.53443e-05 Jy ! Total flux subtracted in 200 components = -5.53443e-05 Jy ! Clean residual min=-0.003179 max=0.003221 Jy/beam ! Clean residual mean=-0.000000 rms=0.000986 Jy/beam ! Combined flux in latest and established models = 0.424226 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 94 components and 0.424226 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=0.058206Jy sigma=0.742137 ! Fit after self-cal, rms=0.058207Jy sigma=0.742135 ! 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=0.8014 mas, bmaj=2.71 mas, bpa=-42.44 degrees ! Estimated noise=0.760945 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8014 x 2.71 at -42.44 degrees (North through East) ! Clean map min=-0.002356 max=0.37183 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=0.6236 mas, bmaj=2.689 mas, bpa=-41.74 degrees ! Estimated noise=1.30398 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.27631 Jy ! Component: 100 - total flux cleaned = 0.344781 Jy ! Component: 150 - total flux cleaned = 0.377681 Jy ! Component: 200 - total flux cleaned = 0.395019 Jy ! Total flux subtracted in 200 components = 0.395019 Jy ! Clean residual min=-0.005718 max=0.008268 Jy/beam ! Clean residual mean=-0.000001 rms=0.001614 Jy/beam ! Combined flux in latest and established models = 0.395019 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.395019 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8014 mas, bmaj=2.71 mas, bpa=-42.44 degrees ! Estimated noise=0.760945 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 = 0.0122429 Jy ! Component: 100 - total flux cleaned = 0.0181446 Jy ! Component: 150 - total flux cleaned = 0.0214229 Jy ! Component: 200 - total flux cleaned = 0.0234902 Jy ! Total flux subtracted in 200 components = 0.0234902 Jy ! Clean residual min=-0.003201 max=0.002599 Jy/beam ! Clean residual mean=-0.000001 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.418509 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 34 components and 0.418509 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=2.076 mas, bmaj=2.936 mas, bpa=-50.7 degrees ! Estimated noise=0.974552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00222211 Jy ! Component: 100 - total flux cleaned = 0.00350562 Jy ! Component: 150 - total flux cleaned = 0.00436846 Jy ! Component: 200 - total flux cleaned = 0.00485529 Jy ! Total flux subtracted in 200 components = 0.00485529 Jy ! Clean residual min=-0.003260 max=0.003251 Jy/beam ! Clean residual mean=-0.000000 rms=0.001012 Jy/beam ! Combined flux in latest and established models = 0.423364 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 = 0.000207766 Jy ! Component: 100 - total flux cleaned = 0.00036683 Jy ! Component: 150 - total flux cleaned = 0.000502978 Jy ! Component: 200 - total flux cleaned = 0.000619858 Jy ! Total flux subtracted in 200 components = 0.000619858 Jy ! Clean residual min=-0.003192 max=0.003219 Jy/beam ! Clean residual mean=-0.000000 rms=0.000987 Jy/beam ! Combined flux in latest and established models = 0.423984 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 61 components and 0.423984 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8014 mas, bmaj=2.71 mas, bpa=-42.44 degrees ! Estimated noise=0.760945 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000916621 Jy ! Component: 100 - total flux cleaned = 0.00103098 Jy ! Component: 150 - total flux cleaned = 0.00110126 Jy ! Component: 200 - total flux cleaned = 0.0010807 Jy ! Total flux subtracted in 200 components = 0.0010807 Jy ! Clean residual min=-0.002666 max=0.002502 Jy/beam ! Clean residual mean=-0.000000 rms=0.000629 Jy/beam ! Combined flux in latest and established models = 0.425065 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 73 components and 0.425065 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=0.058210Jy sigma=0.742279 ! Fit after self-cal, rms=0.058215Jy sigma=0.742268 wmodel J1746+6226_X_map.mod ! Writing 73 model components to file: J1746+6226_X_map.mod wobs J1746+6226_X_uvs.fits ! Writing UV FITS file: J1746+6226_X_uvs.fits wwins J1746+6226_X_map.win ! wwins: Wrote 1 windows to J1746+6226_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 = -0.000310231 Jy ! Component: 100 - total flux cleaned = -0.000308878 Jy ! Component: 150 - total flux cleaned = -0.000125282 Jy ! Component: 200 - total flux cleaned = 1.10694e-05 Jy ! Component: 250 - total flux cleaned = 0.000105951 Jy ! Component: 300 - total flux cleaned = 0.000195667 Jy ! Component: 350 - total flux cleaned = 0.000336218 Jy ! Component: 400 - total flux cleaned = 0.000416585 Jy ! Component: 450 - total flux cleaned = 0.00046888 Jy ! Component: 500 - total flux cleaned = 0.000469783 Jy ! Component: 550 - total flux cleaned = 0.000469742 Jy ! Component: 600 - total flux cleaned = 0.000376724 Jy ! Component: 650 - total flux cleaned = 0.0003768 Jy ! Component: 700 - total flux cleaned = 0.000354847 Jy ! Component: 750 - total flux cleaned = 0.000333529 Jy ! Component: 800 - total flux cleaned = 0.000333581 Jy ! Component: 850 - total flux cleaned = 0.000353663 Jy ! Component: 900 - total flux cleaned = 0.000432418 Jy ! Component: 950 - total flux cleaned = 0.000605341 Jy ! Component: 1000 - total flux cleaned = 0.000717513 Jy ! Component: 1050 - total flux cleaned = 0.000827531 Jy ! Component: 1100 - total flux cleaned = 0.000989833 Jy ! Component: 1150 - total flux cleaned = 0.00109607 Jy ! Component: 1200 - total flux cleaned = 0.00123488 Jy ! Component: 1250 - total flux cleaned = 0.00131999 Jy ! Component: 1300 - total flux cleaned = 0.00137006 Jy ! Component: 1350 - total flux cleaned = 0.00141941 Jy ! Component: 1400 - total flux cleaned = 0.00143553 Jy ! Component: 1450 - total flux cleaned = 0.00140377 Jy ! Component: 1500 - total flux cleaned = 0.00141962 Jy ! Component: 1550 - total flux cleaned = 0.00137308 Jy ! Component: 1600 - total flux cleaned = 0.00138837 Jy ! Component: 1650 - total flux cleaned = 0.00134314 Jy ! Component: 1700 - total flux cleaned = 0.00131339 Jy ! Component: 1750 - total flux cleaned = 0.0013136 Jy ! Component: 1800 - total flux cleaned = 0.00131373 Jy ! Component: 1850 - total flux cleaned = 0.00128482 Jy ! Component: 1900 - total flux cleaned = 0.00125638 Jy ! Component: 1950 - total flux cleaned = 0.00128438 Jy ! Component: 2000 - total flux cleaned = 0.00121502 Jy ! Component: 2050 - total flux cleaned = 0.00118759 Jy ! Component: 2100 - total flux cleaned = 0.00117392 Jy ! Component: 2150 - total flux cleaned = 0.00110651 Jy ! Component: 2200 - total flux cleaned = 0.00105311 Jy ! Component: 2250 - total flux cleaned = 0.00106643 Jy ! Component: 2300 - total flux cleaned = 0.00102679 Jy ! Component: 2350 - total flux cleaned = 0.00100054 Jy ! Component: 2400 - total flux cleaned = 0.000974609 Jy ! Component: 2450 - total flux cleaned = 0.000961622 Jy ! Component: 2500 - total flux cleaned = 0.000897504 Jy ! Component: 2550 - total flux cleaned = 0.000871966 Jy ! Component: 2600 - total flux cleaned = 0.000834146 Jy ! Component: 2650 - total flux cleaned = 0.000808977 Jy ! Component: 2700 - total flux cleaned = 0.000758969 Jy ! Component: 2750 - total flux cleaned = 0.000746577 Jy ! Component: 2800 - total flux cleaned = 0.000721762 Jy ! Component: 2850 - total flux cleaned = 0.000684739 Jy ! Component: 2900 - total flux cleaned = 0.000660151 Jy ! Component: 2950 - total flux cleaned = 0.000635728 Jy ! Component: 3000 - total flux cleaned = 0.000587045 Jy ! Component: 3050 - total flux cleaned = 0.000575038 Jy ! Component: 3100 - total flux cleaned = 0.000526784 Jy ! Component: 3150 - total flux cleaned = 0.000502837 Jy ! Component: 3200 - total flux cleaned = 0.000466935 Jy ! Component: 3250 - total flux cleaned = 0.000443145 Jy ! Component: 3300 - total flux cleaned = 0.000431239 Jy ! Component: 3350 - total flux cleaned = 0.000419293 Jy ! Component: 3400 - total flux cleaned = 0.000383736 Jy ! Component: 3450 - total flux cleaned = 0.000324649 Jy ! Component: 3500 - total flux cleaned = 0.000289264 Jy ! Component: 3550 - total flux cleaned = 0.000265732 Jy ! Component: 3600 - total flux cleaned = 0.000253964 Jy ! Component: 3650 - total flux cleaned = 0.000195275 Jy ! Component: 3700 - total flux cleaned = 0.000183619 Jy ! Component: 3750 - total flux cleaned = 0.000148499 Jy ! Component: 3800 - total flux cleaned = 0.000136786 Jy ! Component: 3850 - total flux cleaned = 0.000113405 Jy ! Component: 3900 - total flux cleaned = 9.00513e-05 Jy ! Component: 3950 - total flux cleaned = 7.84208e-05 Jy ! Component: 4000 - total flux cleaned = 3.17543e-05 Jy ! Component: 4050 - total flux cleaned = -3.26499e-06 Jy ! Total flux subtracted in 4096 components = -2.65334e-05 Jy ! Clean residual min=-0.000679 max=0.000659 Jy/beam ! Clean residual mean=0.000001 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.425038 Jy keep ! Adding 259 model components to the UV plane model. ! The established model now contains 332 components and 0.425039 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1746+6226_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8014 x 2.71 at -42.44 degrees (North through East) ! Clean map min=-0.0014483 max=0.37165 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1746+6226_X_map.fits wmodel /vlbi/bp222/maps//J1746+6226_X_map.mod ! Writing 332 model components to file: /vlbi/bp222/maps//J1746+6226_X_map.mod wobs /vlbi/bp222/maps//J1746+6226_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1746+6226_X_uvs.fits wwins /vlbi/bp222/maps//J1746+6226_X_map.win ! wwins: Wrote 2 windows to /vlbi/bp222/maps//J1746+6226_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.371648 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000184783 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.14916 0.14916 0.298319 0.596638 1.19328 2.38655 4.7731 9.54621 19.0924 38.1848 76.3697 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.371 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2011.27 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1746+6226_X_dfm.log closed on Mon Jan 14 17:09:55 2019