! Started logfile: /vlbi/uf001/uva//J1757+0531_X_dfm.log on Mon Jan 14 04:27:10 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1757+0531_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1757+0531_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.807407 visibilities/baseline/integration-bin. ! Found source: J1757+0531 ! ! 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 24852 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 J1757+0531_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 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001639Jy sigma=24.673492 ! Fit after self-cal, rms=0.969842Jy sigma=23.894966 ! 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=0.6573 mas, bmaj=1.633 mas, bpa=-2.717 degrees ! Estimated noise=0.340332 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 = 0.0242061 Jy ! Component: 100 - total flux cleaned = 0.0298523 Jy ! Total flux subtracted in 100 components = 0.0298523 Jy ! Clean residual min=-0.002252 max=0.002515 Jy/beam ! Clean residual mean=-0.000000 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.0298523 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0298523 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=0.059055Jy sigma=1.327489 ! Fit after self-cal, rms=0.057329Jy sigma=1.285032 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00487135 Jy ! Component: 100 - total flux cleaned = 0.0073423 Jy ! Total flux subtracted in 100 components = 0.0073423 Jy ! Clean residual min=-0.001978 max=0.002544 Jy/beam ! Clean residual mean=-0.000001 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.0371946 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 6 components and 0.0371946 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=0.056889Jy sigma=1.273482 ! Fit after self-cal, rms=0.056881Jy sigma=1.272811 ! 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=0.8307 mas, bmaj=1.904 mas, bpa=-2.561 degrees ! Estimated noise=0.193259 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, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00283499 Jy ! Component: 100 - total flux cleaned = 0.00459783 Jy ! Component: 150 - total flux cleaned = 0.00589618 Jy ! Component: 200 - total flux cleaned = 0.00688042 Jy ! Total flux subtracted in 200 components = 0.00688042 Jy ! Clean residual min=-0.001435 max=0.001642 Jy/beam ! Clean residual mean=-0.000000 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.044075 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 35 components and 0.044075 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=0.056725Jy sigma=1.268139 ! Fit after self-cal, rms=0.056672Jy sigma=1.266878 ! Inverting map ! Added new window around map position (7, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176097 Jy ! Component: 100 - total flux cleaned = 0.00284907 Jy ! Component: 150 - total flux cleaned = 0.00364058 Jy ! Component: 200 - total flux cleaned = 0.00394862 Jy ! Total flux subtracted in 200 components = 0.00394862 Jy ! Clean residual min=-0.001190 max=0.001194 Jy/beam ! Clean residual mean=-0.000000 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.0480236 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 58 components and 0.0480236 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=0.056611Jy sigma=1.265097 ! Fit after self-cal, rms=0.056586Jy sigma=1.264669 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8307 x 1.904 at -2.561 degrees (North through East) ! Clean map min=-0.0011255 max=0.034564 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 0.99 HN 1.07 KP 0.98 ! LA 1.10 MK 1.01 NL 1.10 OV 0.93 ! PT 0.97 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.03 HN 0.97 KP 0.95 ! LA 1.14 MK 1.04 NL 1.11 OV 0.92 ! PT 1.01 SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.99 KP 1.15 ! LA 1.00 MK 1.06 NL 1.04 OV 0.92 ! PT 0.97 SC 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.93 KP 1.05 ! LA 0.95 MK 1.02 NL 1.16 OV 0.98 ! PT 1.04 SC 1.06 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.18 HN 1.02 KP 1.14 ! LA 1.00 MK 1.02 NL 1.10 OV 0.90 ! PT 0.96 SC 0.89 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.11 HN 0.97 KP 1.08 ! LA 1.04 MK 1.06 NL 1.17 OV 0.90 ! PT 0.91 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.91 KP 0.99 ! LA 1.06 MK 0.95 NL 1.09 OV 0.85 ! PT 1.02 SC 1.07 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.10 HN 0.93 KP 1.05 ! LA 0.95 MK 1.00 NL 1.23 OV 0.98 ! PT 0.90 SC 0.89 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.12 HN 0.84 KP 0.95 ! LA 0.93 MK 1.04 NL 1.23 OV 0.96 ! PT 0.96 SC 1.13 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.97 KP 1.14 ! LA 1.00 MK 0.99 NL 1.17 OV 0.87 ! PT 1.04 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.11 HN 0.88 KP 0.99 ! LA 1.10 MK 0.85 NL 1.13 OV 0.92 ! PT 0.88 SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.88 HN 0.90 KP 1.02 ! LA 1.07 MK 0.94 NL 1.02 OV 0.91 ! PT 1.00 SC 0.86 ! ! ! Fit before self-cal, rms=0.056586Jy sigma=1.264669 ! Fit after self-cal, rms=0.055560Jy sigma=1.260533 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8218 mas, bmaj=1.893 mas, bpa=-2.049 degrees ! Estimated noise=0.192337 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 = 0.000170708 Jy ! Component: 100 - total flux cleaned = 0.000266829 Jy ! Component: 150 - total flux cleaned = 0.000326633 Jy ! Component: 200 - total flux cleaned = 0.000363383 Jy ! Total flux subtracted in 200 components = 0.000363383 Jy ! Clean residual min=-0.000894 max=0.001112 Jy/beam ! Clean residual mean=-0.000000 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.048387 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 71 components and 0.048387 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=0.055536Jy sigma=1.259995 ! Fit after self-cal, rms=0.055570Jy sigma=1.258526 ! 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=0.055570Jy sigma=1.258526 ! Fit after self-cal, rms=0.055514Jy sigma=1.256734 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8189 mas, bmaj=1.89 mas, bpa=-1.946 degrees ! Estimated noise=0.192475 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00031971 Jy ! Component: 100 - total flux cleaned = 0.000301985 Jy ! Component: 150 - total flux cleaned = 0.00028537 Jy ! Component: 200 - total flux cleaned = 0.000253645 Jy ! Total flux subtracted in 200 components = 0.000253645 Jy ! Clean residual min=-0.000899 max=0.001033 Jy/beam ! Clean residual mean=-0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0486406 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 77 components and 0.0486406 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=0.055497Jy sigma=1.256364 ! Fit after self-cal, rms=0.055542Jy sigma=1.255922 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 (32.8, 45.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000472901 Jy ! Component: 100 - total flux cleaned = 0.000448299 Jy ! Component: 150 - total flux cleaned = 0.000375023 Jy ! Component: 200 - total flux cleaned = 0.000324999 Jy ! Total flux subtracted in 200 components = 0.000324999 Jy ! Clean residual min=-0.000865 max=0.001003 Jy/beam ! Clean residual mean=-0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0489656 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 88 components and 0.0489656 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=0.055523Jy sigma=1.255459 ! Fit after self-cal, rms=0.055515Jy sigma=1.255144 ! Inverting map ! Added new window around map position (-51, -6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000764255 Jy ! Component: 100 - total flux cleaned = 0.000942336 Jy ! Component: 150 - total flux cleaned = 0.000999273 Jy ! Component: 200 - total flux cleaned = 0.00101735 Jy ! Total flux subtracted in 200 components = 0.00101735 Jy ! Clean residual min=-0.000872 max=0.000919 Jy/beam ! Clean residual mean=-0.000000 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.049983 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 100 components and 0.049983 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=0.055495Jy sigma=1.254661 ! Fit after self-cal, rms=0.055491Jy sigma=1.254562 ! 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=0.055491Jy sigma=1.254562 ! Fit after self-cal, rms=0.055767Jy sigma=1.252880 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8151 mas, bmaj=1.885 mas, bpa=-1.858 degrees ! Estimated noise=0.192305 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000427908 Jy ! Component: 100 - total flux cleaned = 0.000487534 Jy ! Component: 150 - total flux cleaned = 0.000575069 Jy ! Component: 200 - total flux cleaned = 0.000575001 Jy ! Total flux subtracted in 200 components = 0.000575001 Jy ! Clean residual min=-0.000841 max=0.000874 Jy/beam ! Clean residual mean=-0.000000 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.050558 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 108 components and 0.050558 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=0.055754Jy sigma=1.252573 ! Fit after self-cal, rms=0.055805Jy sigma=1.252137 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 (-16.4, -7.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000387947 Jy ! Component: 100 - total flux cleaned = 0.00047124 Jy ! Component: 150 - total flux cleaned = 0.000561902 Jy ! Component: 200 - total flux cleaned = 0.000562125 Jy ! Total flux subtracted in 200 components = 0.000562125 Jy ! Clean residual min=-0.000849 max=0.000806 Jy/beam ! Clean residual mean=-0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0511201 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 121 components and 0.0511201 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=0.055788Jy sigma=1.251731 ! Fit after self-cal, rms=0.055785Jy sigma=1.251630 ! 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=0.055785Jy sigma=1.251630 ! Fit after self-cal, rms=0.055931Jy sigma=1.251495 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.008 mas, bmaj=3.079 mas, bpa=2.184 degrees ! Estimated noise=0.26064 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.77448e-06 Jy ! Component: 100 - total flux cleaned = 0.000136128 Jy ! Component: 150 - total flux cleaned = 0.000176388 Jy ! Component: 200 - total flux cleaned = 0.00025113 Jy ! Total flux subtracted in 200 components = 0.00025113 Jy ! Clean residual min=-0.001026 max=0.000858 Jy/beam ! Clean residual mean=-0.000000 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.0513712 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 130 components and 0.0513712 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=0.055924Jy sigma=1.251352 ! Fit after self-cal, rms=0.055942Jy sigma=1.251255 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 = -5.36724e-06 Jy ! Component: 100 - total flux cleaned = 5.86553e-05 Jy ! Component: 150 - total flux cleaned = 0.000126817 Jy ! Component: 200 - total flux cleaned = 0.000220088 Jy ! Total flux subtracted in 200 components = 0.000220088 Jy ! Clean residual min=-0.001021 max=0.000866 Jy/beam ! Clean residual mean=-0.000000 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.0515913 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 134 components and 0.0515913 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=0.055938Jy sigma=1.251181 ! Fit after self-cal, rms=0.055938Jy sigma=1.251148 ! 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=0.8125 mas, bmaj=1.88 mas, bpa=-1.82 degrees ! Estimated noise=0.192177 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8125 x 1.88 at -1.82 degrees (North through East) ! Clean map min=-0.0011565 max=0.034318 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=0.6446 mas, bmaj=1.621 mas, bpa=-1.989 degrees ! Estimated noise=0.329516 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254171 Jy ! Component: 100 - total flux cleaned = 0.0332381 Jy ! Component: 150 - total flux cleaned = 0.0376384 Jy ! Component: 200 - total flux cleaned = 0.0394365 Jy ! Total flux subtracted in 200 components = 0.0394365 Jy ! Clean residual min=-0.002007 max=0.002083 Jy/beam ! Clean residual mean=-0.000000 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.0394365 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0394365 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8125 mas, bmaj=1.88 mas, bpa=-1.82 degrees ! Estimated noise=0.192177 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 = 0.0028073 Jy ! Component: 100 - total flux cleaned = 0.00483745 Jy ! Component: 150 - total flux cleaned = 0.00646739 Jy ! Component: 200 - total flux cleaned = 0.00763092 Jy ! Total flux subtracted in 200 components = 0.00763092 Jy ! Clean residual min=-0.001073 max=0.001010 Jy/beam ! Clean residual mean=-0.000000 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.0470674 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 41 components and 0.0470674 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=2.008 mas, bmaj=3.079 mas, bpa=2.184 degrees ! Estimated noise=0.26064 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158208 Jy ! Component: 100 - total flux cleaned = 0.00225385 Jy ! Component: 150 - total flux cleaned = 0.00273358 Jy ! Component: 200 - total flux cleaned = 0.00307329 Jy ! Total flux subtracted in 200 components = 0.00307329 Jy ! Clean residual min=-0.001036 max=0.000872 Jy/beam ! Clean residual mean=-0.000001 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0501407 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 = 0.00021485 Jy ! Component: 100 - total flux cleaned = 0.000422213 Jy ! Component: 150 - total flux cleaned = 0.000587893 Jy ! Component: 200 - total flux cleaned = 0.000738913 Jy ! Total flux subtracted in 200 components = 0.000738913 Jy ! Clean residual min=-0.000975 max=0.000846 Jy/beam ! Clean residual mean=-0.000001 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.0508796 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 87 components and 0.0508796 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8125 mas, bmaj=1.88 mas, bpa=-1.82 degrees ! Estimated noise=0.192177 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000427116 Jy ! Component: 100 - total flux cleaned = -0.000428282 Jy ! Component: 150 - total flux cleaned = -0.000399645 Jy ! Component: 200 - total flux cleaned = -0.000400742 Jy ! Total flux subtracted in 200 components = -0.000400742 Jy ! Clean residual min=-0.000872 max=0.000906 Jy/beam ! Clean residual mean=-0.000000 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.0504789 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 107 components and 0.0504789 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=0.055977Jy sigma=1.252069 ! Fit after self-cal, rms=0.055974Jy sigma=1.251874 wmodel J1757+0531_X_map.mod ! Writing 107 model components to file: J1757+0531_X_map.mod wobs J1757+0531_X_uvs.fits ! Writing UV FITS file: J1757+0531_X_uvs.fits wwins J1757+0531_X_map.win ! wwins: Wrote 6 windows to J1757+0531_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 = -6.10549e-05 Jy ! Component: 100 - total flux cleaned = -0.000271954 Jy ! Component: 150 - total flux cleaned = -0.000402756 Jy ! Component: 200 - total flux cleaned = -0.000600403 Jy ! Component: 250 - total flux cleaned = -0.000696701 Jy ! Component: 300 - total flux cleaned = -0.000804627 Jy ! Component: 350 - total flux cleaned = -0.000897331 Jy ! Component: 400 - total flux cleaned = -0.00100112 Jy ! Component: 450 - total flux cleaned = -0.0010521 Jy ! Component: 500 - total flux cleaned = -0.00111535 Jy ! Component: 550 - total flux cleaned = -0.00117775 Jy ! Component: 600 - total flux cleaned = -0.00125123 Jy ! Component: 650 - total flux cleaned = -0.00129964 Jy ! Component: 700 - total flux cleaned = -0.00137113 Jy ! Component: 750 - total flux cleaned = -0.00141818 Jy ! Component: 800 - total flux cleaned = -0.00145304 Jy ! Component: 850 - total flux cleaned = -0.00154486 Jy ! Component: 900 - total flux cleaned = -0.00154473 Jy ! Component: 950 - total flux cleaned = -0.00154487 Jy ! Component: 1000 - total flux cleaned = -0.00162271 Jy ! Component: 1050 - total flux cleaned = -0.0016226 Jy ! Component: 1100 - total flux cleaned = -0.00157908 Jy ! Component: 1150 - total flux cleaned = -0.00162234 Jy ! Component: 1200 - total flux cleaned = -0.00166498 Jy ! Component: 1250 - total flux cleaned = -0.00165426 Jy ! Component: 1300 - total flux cleaned = -0.0016438 Jy ! Component: 1350 - total flux cleaned = -0.00167502 Jy ! Component: 1400 - total flux cleaned = -0.0016853 Jy ! Component: 1450 - total flux cleaned = -0.00169561 Jy ! Component: 1500 - total flux cleaned = -0.0016853 Jy ! Component: 1550 - total flux cleaned = -0.00168541 Jy ! Component: 1600 - total flux cleaned = -0.0017154 Jy ! Component: 1650 - total flux cleaned = -0.00177462 Jy ! Component: 1700 - total flux cleaned = -0.00173537 Jy ! Component: 1750 - total flux cleaned = -0.00178392 Jy ! Component: 1800 - total flux cleaned = -0.0017935 Jy ! Component: 1850 - total flux cleaned = -0.00182224 Jy ! Component: 1900 - total flux cleaned = -0.0018222 Jy ! Component: 1950 - total flux cleaned = -0.00185042 Jy ! Component: 2000 - total flux cleaned = -0.00188773 Jy ! Component: 2050 - total flux cleaned = -0.00183208 Jy ! Component: 2100 - total flux cleaned = -0.00189648 Jy ! Component: 2150 - total flux cleaned = -0.00187814 Jy ! Component: 2200 - total flux cleaned = -0.00193266 Jy ! Component: 2250 - total flux cleaned = -0.00186942 Jy ! Component: 2300 - total flux cleaned = -0.00189632 Jy ! Component: 2350 - total flux cleaned = -0.00186951 Jy ! Component: 2400 - total flux cleaned = -0.00186947 Jy ! Component: 2450 - total flux cleaned = -0.00184308 Jy ! Component: 2500 - total flux cleaned = -0.00186067 Jy ! Component: 2550 - total flux cleaned = -0.00186939 Jy ! Component: 2600 - total flux cleaned = -0.00181745 Jy ! Component: 2650 - total flux cleaned = -0.00184331 Jy ! Component: 2700 - total flux cleaned = -0.00185182 Jy ! Component: 2750 - total flux cleaned = -0.00183481 Jy ! Component: 2800 - total flux cleaned = -0.00184321 Jy ! Component: 2850 - total flux cleaned = -0.00181809 Jy ! Component: 2900 - total flux cleaned = -0.00185146 Jy ! Component: 2950 - total flux cleaned = -0.00180993 Jy ! Component: 3000 - total flux cleaned = -0.00182638 Jy ! Component: 3050 - total flux cleaned = -0.00182643 Jy ! Component: 3100 - total flux cleaned = -0.001802 Jy ! Component: 3150 - total flux cleaned = -0.00181011 Jy ! Component: 3200 - total flux cleaned = -0.0018021 Jy ! Component: 3250 - total flux cleaned = -0.0018181 Jy ! Component: 3300 - total flux cleaned = -0.00180203 Jy ! Component: 3350 - total flux cleaned = -0.00177026 Jy ! Component: 3400 - total flux cleaned = -0.00178602 Jy ! Component: 3450 - total flux cleaned = -0.00177821 Jy ! Component: 3500 - total flux cleaned = -0.00177035 Jy ! Component: 3550 - total flux cleaned = -0.00177814 Jy ! Component: 3600 - total flux cleaned = -0.00175489 Jy ! Component: 3650 - total flux cleaned = -0.00176255 Jy ! Component: 3700 - total flux cleaned = -0.00173958 Jy ! Component: 3750 - total flux cleaned = -0.00172438 Jy ! Component: 3800 - total flux cleaned = -0.00172437 Jy ! Component: 3850 - total flux cleaned = -0.00173193 Jy ! Component: 3900 - total flux cleaned = -0.001717 Jy ! Component: 3950 - total flux cleaned = -0.00167972 Jy ! Component: 4000 - total flux cleaned = -0.00170204 Jy ! Component: 4050 - total flux cleaned = -0.00171683 Jy ! Total flux subtracted in 4096 components = -0.00169472 Jy ! Clean residual min=-0.000527 max=0.000483 Jy/beam ! Clean residual mean=-0.000000 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0487842 Jy keep ! Adding 341 model components to the UV plane model. ! The established model now contains 448 components and 0.0487842 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1757+0531_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8125 x 1.88 at -1.82 degrees (North through East) ! Clean map min=-0.00074823 max=0.03416 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1757+0531_X_map.fits wmodel /vlbi/uf001/uva//J1757+0531_X_map.mod ! Writing 448 model components to file: /vlbi/uf001/uva//J1757+0531_X_map.mod wobs /vlbi/uf001/uva//J1757+0531_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1757+0531_X_uvs.fits wwins /vlbi/uf001/uva//J1757+0531_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J1757+0531_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0341595 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000126597 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.11182 1.11182 2.22364 4.44728 8.89456 17.7891 35.5782 71.1565 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.034 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 269.827 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1757+0531_X_dfm.log closed on Mon Jan 14 04:27:15 2019