! Started logfile: /vlbi/bp222/maps//J0721-1530_X_dfm.log on Thu Sep 27 10:52:41 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//J0721-1530_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0721-1530_X_uva.fits ! AN table 1: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.938406 visibilities/baseline/integration-bin. ! Found source: J0721-1530 ! ! 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 9324 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 J0721-1530_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=1.011798Jy sigma=11.678164 ! Fit after self-cal, rms=0.904876Jy sigma=10.420131 ! 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=0.6402 mas, bmaj=1.615 mas, bpa=6.523 degrees ! Estimated noise=1.26344 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 = 0.0722054 Jy ! Component: 100 - total flux cleaned = 0.0967447 Jy ! Total flux subtracted in 100 components = 0.0967447 Jy ! Clean residual min=-0.008859 max=0.010171 Jy/beam ! Clean residual mean=0.000021 rms=0.001940 Jy/beam ! Combined flux in latest and established models = 0.0967446 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0967446 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=0.081845Jy sigma=0.846577 ! Fit after self-cal, rms=0.081429Jy sigma=0.842374 ! 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=0.8347 mas, bmaj=1.988 mas, bpa=5.828 degrees ! Estimated noise=0.664629 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 = 0.0132245 Jy ! Component: 100 - total flux cleaned = 0.018272 Jy ! Component: 150 - total flux cleaned = 0.0207635 Jy ! Component: 200 - total flux cleaned = 0.0214924 Jy ! Total flux subtracted in 200 components = 0.0214924 Jy ! Clean residual min=-0.008587 max=0.010314 Jy/beam ! Clean residual mean=0.000048 rms=0.002459 Jy/beam ! Combined flux in latest and established models = 0.118237 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 20 components and 0.118237 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=0.079792Jy sigma=0.817451 ! Fit after self-cal, rms=0.079778Jy sigma=0.817221 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8347 x 1.988 at 5.828 degrees (North through East) ! Clean map min=-0.0082185 max=0.096888 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.97 HN 1.09 KP 0.98 ! LA 0.96 MK 1.04 NL 1.09 PT 0.88 ! SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.96 HN 1.18 KP 1.07 ! LA 1.00 MK 1.04 NL 1.12 PT 0.81 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.91 HN 1.12 KP 1.02 ! LA 0.98 MK 1.01 NL 1.15 PT 0.86 ! SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.95 HN 1.16 KP 1.03 ! LA 0.93 MK 0.96 NL 1.09 PT 0.85 ! SC 0.90 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 0.93 HN 1.15 KP 1.04 ! LA 0.94 MK 0.98 NL 1.08 PT 0.88 ! SC 0.90 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.94 HN 1.17 KP 1.04 ! LA 0.94 MK 0.99 NL 1.13 PT 0.85 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.91 HN 1.17 KP 1.02 ! LA 0.94 MK 1.07 NL 1.08 PT 0.91 ! SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.93 HN 1.18 KP 1.05 ! LA 0.93 MK 0.99 NL 1.19 PT 0.85 ! SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.90 HN 0.96 KP 1.05 ! LA 1.02 MK 0.98 NL 1.07 PT 0.90 ! SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.91 HN 1.17 KP 0.98 ! LA 0.92 MK 0.98 NL 1.20 PT 0.89 ! SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.90 HN 0.95 KP 1.05 ! LA 0.98 MK 0.99 NL 1.09 PT 0.84 ! SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.95 KP 0.98 ! LA 0.96 MK 0.92 NL 1.19 PT 0.83 ! SC 0.95 ! ! ! Fit before self-cal, rms=0.079778Jy sigma=0.817221 ! Fit after self-cal, rms=0.080741Jy sigma=0.804025 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8341 mas, bmaj=1.995 mas, bpa=6.182 degrees ! Estimated noise=0.659619 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 = -0.0005824 Jy ! Component: 100 - total flux cleaned = -0.000583595 Jy ! Component: 150 - total flux cleaned = -0.000584374 Jy ! Component: 200 - total flux cleaned = -0.000612129 Jy ! Total flux subtracted in 200 components = -0.000612129 Jy ! Clean residual min=-0.006266 max=0.008970 Jy/beam ! Clean residual mean=0.000019 rms=0.002100 Jy/beam ! Combined flux in latest and established models = 0.117625 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 0.117625 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=0.080719Jy sigma=0.803600 ! Fit after self-cal, rms=0.080878Jy sigma=0.803004 ! 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=0.080878Jy sigma=0.803004 ! Fit after self-cal, rms=0.081057Jy sigma=0.802950 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8354 mas, bmaj=1.997 mas, bpa=6.254 degrees ! Estimated noise=0.659292 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000298397 Jy ! Component: 100 - total flux cleaned = -0.000415641 Jy ! Component: 150 - total flux cleaned = -0.000441782 Jy ! Component: 200 - total flux cleaned = -0.0004655 Jy ! Total flux subtracted in 200 components = -0.0004655 Jy ! Clean residual min=-0.006332 max=0.009048 Jy/beam ! Clean residual mean=0.000019 rms=0.002072 Jy/beam ! Combined flux in latest and established models = 0.117159 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 24 components and 0.117159 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=0.081038Jy sigma=0.802694 ! Fit after self-cal, rms=0.081038Jy sigma=0.802645 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6.8, -13.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00830155 Jy ! Component: 100 - total flux cleaned = 0.0128854 Jy ! Component: 150 - total flux cleaned = 0.0161093 Jy ! Component: 200 - total flux cleaned = 0.0184773 Jy ! Total flux subtracted in 200 components = 0.0184773 Jy ! Clean residual min=-0.005206 max=0.005936 Jy/beam ! Clean residual mean=0.000018 rms=0.001461 Jy/beam ! Combined flux in latest and established models = 0.135637 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 51 components and 0.135637 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=0.080303Jy sigma=0.788427 ! Fit after self-cal, rms=0.080273Jy sigma=0.787829 ! 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=0.080273Jy sigma=0.787829 ! Fit after self-cal, rms=0.081146Jy sigma=0.786979 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8414 mas, bmaj=2.01 mas, bpa=6.26 degrees ! Estimated noise=0.65303 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00238692 Jy ! Component: 100 - total flux cleaned = 0.00384341 Jy ! Component: 150 - total flux cleaned = 0.00441091 Jy ! Component: 200 - total flux cleaned = 0.00484729 Jy ! Total flux subtracted in 200 components = 0.00484729 Jy ! Clean residual min=-0.004288 max=0.005878 Jy/beam ! Clean residual mean=0.000007 rms=0.001321 Jy/beam ! Combined flux in latest and established models = 0.140484 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 64 components and 0.140484 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=0.081081Jy sigma=0.785366 ! Fit after self-cal, rms=0.081119Jy sigma=0.785310 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (15, -35.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00555872 Jy ! Component: 100 - total flux cleaned = 0.00850835 Jy ! Component: 150 - total flux cleaned = 0.0103466 Jy ! Component: 200 - total flux cleaned = 0.0117859 Jy ! Total flux subtracted in 200 components = 0.0117859 Jy ! Clean residual min=-0.003823 max=0.003643 Jy/beam ! Clean residual mean=0.000002 rms=0.000988 Jy/beam ! Combined flux in latest and established models = 0.15227 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 85 components and 0.15227 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=0.080691Jy sigma=0.779971 ! Fit after self-cal, rms=0.080699Jy sigma=0.779704 ! 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=0.080699Jy sigma=0.779704 ! Fit after self-cal, rms=0.081538Jy sigma=0.779394 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.191 mas, bmaj=4.715 mas, bpa=19.64 degrees ! Estimated noise=0.817436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00259376 Jy ! Component: 100 - total flux cleaned = 0.00435277 Jy ! Component: 150 - total flux cleaned = 0.00563409 Jy ! Component: 200 - total flux cleaned = 0.00629694 Jy ! Total flux subtracted in 200 components = 0.00629694 Jy ! Clean residual min=-0.004818 max=0.004716 Jy/beam ! Clean residual mean=-0.000013 rms=0.001469 Jy/beam ! Combined flux in latest and established models = 0.158567 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 104 components and 0.158567 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=0.081500Jy sigma=0.778826 ! Fit after self-cal, rms=0.081518Jy sigma=0.778725 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 = 0.000794624 Jy ! Component: 100 - total flux cleaned = 0.00102127 Jy ! Component: 150 - total flux cleaned = 0.00123501 Jy ! Component: 200 - total flux cleaned = 0.00143612 Jy ! Total flux subtracted in 200 components = 0.00143612 Jy ! Clean residual min=-0.004759 max=0.004586 Jy/beam ! Clean residual mean=-0.000016 rms=0.001443 Jy/beam ! Combined flux in latest and established models = 0.160003 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 109 components and 0.160003 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=0.081497Jy sigma=0.778570 ! Fit after self-cal, rms=0.081489Jy sigma=0.778547 ! 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=0.8448 mas, bmaj=2.018 mas, bpa=6.168 degrees ! Estimated noise=0.649985 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8448 x 2.018 at 6.168 degrees (North through East) ! Clean map min=-0.0032054 max=0.09692 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=0.641 mas, bmaj=1.629 mas, bpa=6.85 degrees ! Estimated noise=1.26308 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0724346 Jy ! Component: 100 - total flux cleaned = 0.0979801 Jy ! Component: 150 - total flux cleaned = 0.10908 Jy ! Component: 200 - total flux cleaned = 0.115546 Jy ! Total flux subtracted in 200 components = 0.115546 Jy ! Clean residual min=-0.005954 max=0.006552 Jy/beam ! Clean residual mean=0.000003 rms=0.001499 Jy/beam ! Combined flux in latest and established models = 0.115546 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.115546 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8448 mas, bmaj=2.018 mas, bpa=6.168 degrees ! Estimated noise=0.649985 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 = 0.00766641 Jy ! Component: 100 - total flux cleaned = 0.0128591 Jy ! Component: 150 - total flux cleaned = 0.0171181 Jy ! Component: 200 - total flux cleaned = 0.0207476 Jy ! Total flux subtracted in 200 components = 0.0207476 Jy ! Clean residual min=-0.004614 max=0.004705 Jy/beam ! Clean residual mean=0.000003 rms=0.001271 Jy/beam ! Combined flux in latest and established models = 0.136294 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 47 components and 0.136294 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=2.191 mas, bmaj=4.715 mas, bpa=19.64 degrees ! Estimated noise=0.817436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00513196 Jy ! Component: 100 - total flux cleaned = 0.00903044 Jy ! Component: 150 - total flux cleaned = 0.0121178 Jy ! Component: 200 - total flux cleaned = 0.0146438 Jy ! Total flux subtracted in 200 components = 0.0146438 Jy ! Clean residual min=-0.005541 max=0.004828 Jy/beam ! Clean residual mean=-0.000008 rms=0.001668 Jy/beam ! Combined flux in latest and established models = 0.150937 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 = 0.00209828 Jy ! Component: 100 - total flux cleaned = 0.00385367 Jy ! Component: 150 - total flux cleaned = 0.00533377 Jy ! Component: 200 - total flux cleaned = 0.00659195 Jy ! Total flux subtracted in 200 components = 0.00659195 Jy ! Clean residual min=-0.004900 max=0.004454 Jy/beam ! Clean residual mean=-0.000015 rms=0.001487 Jy/beam ! Combined flux in latest and established models = 0.157529 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 97 components and 0.157529 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8448 mas, bmaj=2.018 mas, bpa=6.168 degrees ! Estimated noise=0.649985 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00137601 Jy ! Component: 100 - total flux cleaned = 0.00153777 Jy ! Component: 150 - total flux cleaned = 0.00153648 Jy ! Component: 200 - total flux cleaned = 0.00158583 Jy ! Total flux subtracted in 200 components = 0.00158583 Jy ! Clean residual min=-0.003708 max=0.003506 Jy/beam ! Clean residual mean=-0.000009 rms=0.000894 Jy/beam ! Combined flux in latest and established models = 0.159115 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 116 components and 0.159115 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=0.081510Jy sigma=0.778988 ! Fit after self-cal, rms=0.081508Jy sigma=0.778863 wmodel J0721-1530_X_map.mod ! Writing 116 model components to file: J0721-1530_X_map.mod wobs J0721-1530_X_uvs.fits ! Writing UV FITS file: J0721-1530_X_uvs.fits wwins J0721-1530_X_map.win ! wwins: Wrote 3 windows to J0721-1530_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 = 0.000235224 Jy ! Component: 100 - total flux cleaned = 0.000898291 Jy ! Component: 150 - total flux cleaned = 0.00130421 Jy ! Component: 200 - total flux cleaned = 0.0014473 Jy ! Component: 250 - total flux cleaned = 0.00149178 Jy ! Component: 300 - total flux cleaned = 0.00149121 Jy ! Component: 350 - total flux cleaned = 0.00153123 Jy ! Component: 400 - total flux cleaned = 0.00156991 Jy ! Component: 450 - total flux cleaned = 0.00153445 Jy ! Component: 500 - total flux cleaned = 0.00146562 Jy ! Component: 550 - total flux cleaned = 0.00146538 Jy ! Component: 600 - total flux cleaned = 0.00140113 Jy ! Component: 650 - total flux cleaned = 0.0014007 Jy ! Component: 700 - total flux cleaned = 0.00131015 Jy ! Component: 750 - total flux cleaned = 0.00131076 Jy ! Component: 800 - total flux cleaned = 0.00128204 Jy ! Component: 850 - total flux cleaned = 0.00125384 Jy ! Component: 900 - total flux cleaned = 0.00128069 Jy ! Component: 950 - total flux cleaned = 0.00130698 Jy ! Component: 1000 - total flux cleaned = 0.00138346 Jy ! Component: 1050 - total flux cleaned = 0.0012585 Jy ! Component: 1100 - total flux cleaned = 0.00116196 Jy ! Component: 1150 - total flux cleaned = 0.00113902 Jy ! Component: 1200 - total flux cleaned = 0.0010464 Jy ! Component: 1250 - total flux cleaned = 0.000978398 Jy ! Component: 1300 - total flux cleaned = 0.000955757 Jy ! Component: 1350 - total flux cleaned = 0.000847068 Jy ! Component: 1400 - total flux cleaned = 0.000804496 Jy ! Component: 1450 - total flux cleaned = 0.000783984 Jy ! Component: 1500 - total flux cleaned = 0.000846002 Jy ! Component: 1550 - total flux cleaned = 0.000967203 Jy ! Component: 1600 - total flux cleaned = 0.00104661 Jy ! Component: 1650 - total flux cleaned = 0.00114421 Jy ! Component: 1700 - total flux cleaned = 0.00124045 Jy ! Component: 1750 - total flux cleaned = 0.0013353 Jy ! Component: 1800 - total flux cleaned = 0.00142887 Jy ! Component: 1850 - total flux cleaned = 0.00153952 Jy ! Component: 1900 - total flux cleaned = 0.00166638 Jy ! Component: 1950 - total flux cleaned = 0.00175569 Jy ! Component: 2000 - total flux cleaned = 0.00182636 Jy ! Component: 2050 - total flux cleaned = 0.00189613 Jy ! Component: 2100 - total flux cleaned = 0.00196489 Jy ! Component: 2150 - total flux cleaned = 0.0020498 Jy ! Component: 2200 - total flux cleaned = 0.0020666 Jy ! Component: 2250 - total flux cleaned = 0.00209978 Jy ! Component: 2300 - total flux cleaned = 0.00213241 Jy ! Component: 2350 - total flux cleaned = 0.00218089 Jy ! Component: 2400 - total flux cleaned = 0.00218073 Jy ! Component: 2450 - total flux cleaned = 0.00218067 Jy ! Component: 2500 - total flux cleaned = 0.00214934 Jy ! Component: 2550 - total flux cleaned = 0.00213383 Jy ! Component: 2600 - total flux cleaned = 0.00214935 Jy ! Component: 2650 - total flux cleaned = 0.00219503 Jy ! Component: 2700 - total flux cleaned = 0.00217979 Jy ! Component: 2750 - total flux cleaned = 0.00211989 Jy ! Component: 2800 - total flux cleaned = 0.00207534 Jy ! Component: 2850 - total flux cleaned = 0.00210496 Jy ! Component: 2900 - total flux cleaned = 0.00210489 Jy ! Component: 2950 - total flux cleaned = 0.00211926 Jy ! Component: 3000 - total flux cleaned = 0.00214788 Jy ! Component: 3050 - total flux cleaned = 0.00213376 Jy ! Component: 3100 - total flux cleaned = 0.00219018 Jy ! Component: 3150 - total flux cleaned = 0.00219 Jy ! Component: 3200 - total flux cleaned = 0.00220409 Jy ! Component: 3250 - total flux cleaned = 0.00220419 Jy ! Component: 3300 - total flux cleaned = 0.00227284 Jy ! Component: 3350 - total flux cleaned = 0.00227301 Jy ! Component: 3400 - total flux cleaned = 0.00227304 Jy ! Component: 3450 - total flux cleaned = 0.00230006 Jy ! Component: 3500 - total flux cleaned = 0.00232686 Jy ! Component: 3550 - total flux cleaned = 0.00234007 Jy ! Component: 3600 - total flux cleaned = 0.00231357 Jy ! Component: 3650 - total flux cleaned = 0.00230042 Jy ! Component: 3700 - total flux cleaned = 0.00231356 Jy ! Component: 3750 - total flux cleaned = 0.00231355 Jy ! Component: 3800 - total flux cleaned = 0.00226166 Jy ! Component: 3850 - total flux cleaned = 0.0022617 Jy ! Component: 3900 - total flux cleaned = 0.00230018 Jy ! Component: 3950 - total flux cleaned = 0.00233838 Jy ! Component: 4000 - total flux cleaned = 0.00231281 Jy ! Component: 4050 - total flux cleaned = 0.00228754 Jy ! Total flux subtracted in 4096 components = 0.00230016 Jy ! Clean residual min=-0.000704 max=0.000785 Jy/beam ! Clean residual mean=-0.000003 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.161415 Jy keep ! Adding 253 model components to the UV plane model. ! The established model now contains 369 components and 0.161416 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0721-1530_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8448 x 2.018 at 6.168 degrees (North through East) ! Clean map min=-0.0018079 max=0.096255 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0721-1530_X_map.fits wmodel /vlbi/bp222/maps//J0721-1530_X_map.mod ! Writing 369 model components to file: /vlbi/bp222/maps//J0721-1530_X_map.mod wobs /vlbi/bp222/maps//J0721-1530_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0721-1530_X_uvs.fits wwins /vlbi/bp222/maps//J0721-1530_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J0721-1530_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0962548 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000198386 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.618315 0.618315 1.23663 2.47326 4.94652 9.89303 19.7861 39.5721 79.1443 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.096 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 485.189 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0721-1530_X_dfm.log closed on Thu Sep 27 10:52:46 2018