! Started logfile: /vlbi/uf001/uva//J1831+2907_X_dfm.log on Mon Jan 14 04:40:48 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//J1831+2907_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1831+2907_X_uva.fits ! AN table 1: 110 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.997576 visibilities/baseline/integration-bin. ! Found source: J1831+2907 ! ! 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 59256 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 J1831+2907_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 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000680Jy sigma=24.753333 ! Fit after self-cal, rms=0.966530Jy sigma=23.893049 ! 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=0.7056 mas, bmaj=1.397 mas, bpa=-5.636 degrees ! Estimated noise=0.256433 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 = 0.0217953 Jy ! Component: 100 - total flux cleaned = 0.0304386 Jy ! Total flux subtracted in 100 components = 0.0304386 Jy ! Clean residual min=-0.003976 max=0.006508 Jy/beam ! Clean residual mean=0.000026 rms=0.001253 Jy/beam ! Combined flux in latest and established models = 0.0304386 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0304386 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=0.074853Jy sigma=1.811720 ! Fit after self-cal, rms=0.073697Jy sigma=1.781450 ! 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=0.9303 mas, bmaj=1.721 mas, bpa=-5.159 degrees ! Estimated noise=0.119898 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 = 0.0165449 Jy ! Component: 100 - total flux cleaned = 0.0272606 Jy ! Component: 150 - total flux cleaned = 0.0344258 Jy ! Component: 200 - total flux cleaned = 0.0392163 Jy ! Total flux subtracted in 200 components = 0.0392163 Jy ! Clean residual min=-0.006708 max=0.010811 Jy/beam ! Clean residual mean=0.000034 rms=0.002252 Jy/beam ! Combined flux in latest and established models = 0.0696548 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 36 components and 0.0696548 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=0.069376Jy sigma=1.673422 ! Fit after self-cal, rms=0.069006Jy sigma=1.662947 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9303 x 1.721 at -5.159 degrees (North through East) ! Clean map min=-0.0067991 max=0.032593 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.47 FD 1.13 HN 1.38 KP 0.96 ! LA 0.63 MK 1.51 NL 2.19 OV 1.01 ! PT 0.69 SC 1.58 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.52 FD 1.05 HN 1.44 KP 1.00 ! LA 0.61 MK 1.67 NL 2.17 OV 1.05 ! PT 0.70 SC 1.47 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.51 FD 1.12 HN 1.33 KP 1.01 ! LA 0.61 MK 1.45 NL 2.20 OV 1.09 ! PT 0.71 SC 1.43 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.47 FD 1.06 HN 1.54 KP 1.04 ! LA 0.59 MK 1.49 NL 2.09 OV 1.07 ! PT 0.70 SC 1.46 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.50 FD 1.08 HN 1.38 KP 0.99 ! LA 0.61 MK 1.45 NL 2.05 OV 1.11 ! PT 0.72 SC 1.41 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.43 FD 1.10 HN 1.23 KP 0.98 ! LA 0.61 MK 1.54 NL 2.03 OV 1.06 ! PT 0.71 SC 1.39 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.60 FD 1.08 HN 1.17 KP 0.98 ! LA 0.60 MK 1.35 NL 2.03 OV 1.10 ! PT 0.70 SC 1.27 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.40 FD 1.12 HN 1.12 KP 0.95 ! LA 0.64 MK 1.37 NL 2.01 OV 1.05 ! PT 0.69 SC 1.36 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.48 FD 0.99 HN 1.00 KP 0.97 ! LA 0.65 MK 1.37 NL 2.07 OV 1.10 ! PT 0.68 SC 1.23 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.39 FD 0.94 HN 1.04 KP 0.93 ! LA 0.67 MK 1.14 NL 1.89 OV 1.10 ! PT 0.71 SC 1.30 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.05 HN 0.97 KP 0.91 ! LA 0.69 MK 1.10 NL 1.87 OV 1.04 ! PT 0.70 SC 1.11 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.42 FD 0.96 HN 1.05 KP 0.93 ! LA 0.66 MK 1.07 NL 1.89 OV 1.04 ! PT 0.68 SC 1.07 ! ! ! Fit before self-cal, rms=0.069006Jy sigma=1.662947 ! Fit after self-cal, rms=0.085582Jy sigma=1.584376 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.028 mas, bmaj=1.916 mas, bpa=-4.797 degrees ! Estimated noise=0.136421 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 = 0.000940658 Jy ! Component: 100 - total flux cleaned = 0.000986563 Jy ! Component: 150 - total flux cleaned = 0.00106755 Jy ! Component: 200 - total flux cleaned = 0.00114171 Jy ! Total flux subtracted in 200 components = 0.00114171 Jy ! Clean residual min=-0.007476 max=0.009900 Jy/beam ! Clean residual mean=0.000036 rms=0.002310 Jy/beam ! Combined flux in latest and established models = 0.0707965 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 38 components and 0.0707965 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=0.085490Jy sigma=1.583919 ! Fit after self-cal, rms=0.087276Jy sigma=1.567798 ! 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=0.087276Jy sigma=1.567798 ! Fit after self-cal, rms=0.135804Jy sigma=1.485516 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9701 mas, bmaj=1.9 mas, bpa=-5.686 degrees ! Estimated noise=0.140109 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00243264 Jy ! Component: 100 - total flux cleaned = 0.00351149 Jy ! Component: 150 - total flux cleaned = 0.00367908 Jy ! Component: 200 - total flux cleaned = 0.00384397 Jy ! Total flux subtracted in 200 components = 0.00384397 Jy ! Clean residual min=-0.006021 max=0.007821 Jy/beam ! Clean residual mean=0.000006 rms=0.001938 Jy/beam ! Combined flux in latest and established models = 0.0746405 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 40 components and 0.0746405 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=0.135658Jy sigma=1.485073 ! Fit after self-cal, rms=0.137187Jy sigma=1.475311 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 = -0.000444296 Jy ! Component: 100 - total flux cleaned = -0.000414716 Jy ! Component: 150 - total flux cleaned = -0.00038918 Jy ! Component: 200 - total flux cleaned = -0.000346616 Jy ! Total flux subtracted in 200 components = -0.000346616 Jy ! Clean residual min=-0.005976 max=0.007681 Jy/beam ! Clean residual mean=0.000007 rms=0.001935 Jy/beam ! Combined flux in latest and established models = 0.0742939 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 44 components and 0.0742939 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=0.137181Jy sigma=1.474141 ! Fit after self-cal, rms=0.137183Jy sigma=1.473803 ! 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=0.137183Jy sigma=1.473803 ! Fit after self-cal, rms=0.150177Jy sigma=1.470193 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.935 mas, bmaj=1.868 mas, bpa=-5.276 degrees ! Estimated noise=0.136778 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202988 Jy ! Component: 100 - total flux cleaned = 0.00255403 Jy ! Component: 150 - total flux cleaned = 0.00276728 Jy ! Component: 200 - total flux cleaned = 0.00287813 Jy ! Total flux subtracted in 200 components = 0.00287813 Jy ! Clean residual min=-0.005989 max=0.007460 Jy/beam ! Clean residual mean=0.000005 rms=0.001865 Jy/beam ! Combined flux in latest and established models = 0.077172 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 45 components and 0.077172 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=0.150099Jy sigma=1.469276 ! Fit after self-cal, rms=0.150380Jy sigma=1.468013 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 = 3.87012e-05 Jy ! Component: 100 - total flux cleaned = 0.000201634 Jy ! Component: 150 - total flux cleaned = 0.000226425 Jy ! Component: 200 - total flux cleaned = 0.000268016 Jy ! Total flux subtracted in 200 components = 0.000268016 Jy ! Clean residual min=-0.006021 max=0.007437 Jy/beam ! Clean residual mean=0.000005 rms=0.001855 Jy/beam ! Combined flux in latest and established models = 0.07744 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 47 components and 0.07744 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=0.150361Jy sigma=1.467205 ! Fit after self-cal, rms=0.150362Jy sigma=1.466804 ! 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=0.150362Jy sigma=1.466804 ! Fit after self-cal, rms=0.157020Jy sigma=1.465246 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.543 mas, bmaj=2.763 mas, bpa=-27.01 degrees ! Estimated noise=0.153618 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0028868 Jy ! Component: 100 - total flux cleaned = 0.00313931 Jy ! Component: 150 - total flux cleaned = 0.00321547 Jy ! Component: 200 - total flux cleaned = 0.00327971 Jy ! Total flux subtracted in 200 components = 0.00327971 Jy ! Clean residual min=-0.010801 max=0.013641 Jy/beam ! Clean residual mean=0.000009 rms=0.003406 Jy/beam ! Combined flux in latest and established models = 0.0807197 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 0.0807197 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=0.156938Jy sigma=1.467044 ! Fit after self-cal, rms=0.157072Jy sigma=1.465064 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 = 0.000249882 Jy ! Component: 100 - total flux cleaned = 0.000249058 Jy ! Component: 150 - total flux cleaned = 0.000180841 Jy ! Component: 200 - total flux cleaned = 0.000181113 Jy ! Total flux subtracted in 200 components = 0.000181113 Jy ! Clean residual min=-0.010808 max=0.013542 Jy/beam ! Clean residual mean=0.000009 rms=0.003398 Jy/beam ! Combined flux in latest and established models = 0.0809009 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 50 components and 0.0809009 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=0.157062Jy sigma=1.466335 ! Fit after self-cal, rms=0.157087Jy sigma=1.465265 ! 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=0.9438 mas, bmaj=1.836 mas, bpa=-5.063 degrees ! Estimated noise=0.137193 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9438 x 1.836 at -5.063 degrees (North through East) ! Clean map min=-0.0059871 max=0.032159 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=0.6787 mas, bmaj=1.507 mas, bpa=-4.837 degrees ! Estimated noise=0.300288 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267896 Jy ! Component: 100 - total flux cleaned = 0.0409978 Jy ! Component: 150 - total flux cleaned = 0.0506924 Jy ! Component: 200 - total flux cleaned = 0.0578395 Jy ! Total flux subtracted in 200 components = 0.0578395 Jy ! Clean residual min=-0.004383 max=0.005687 Jy/beam ! Clean residual mean=0.000010 rms=0.001129 Jy/beam ! Combined flux in latest and established models = 0.0578394 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 0.0578394 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9438 mas, bmaj=1.836 mas, bpa=-5.063 degrees ! Estimated noise=0.137193 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 = 0.00885282 Jy ! Component: 100 - total flux cleaned = 0.0140367 Jy ! Component: 150 - total flux cleaned = 0.0171667 Jy ! Component: 200 - total flux cleaned = 0.0190665 Jy ! Total flux subtracted in 200 components = 0.0190665 Jy ! Clean residual min=-0.006141 max=0.007344 Jy/beam ! Clean residual mean=0.000006 rms=0.001840 Jy/beam ! Combined flux in latest and established models = 0.076906 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 29 components and 0.076906 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=2.543 mas, bmaj=2.763 mas, bpa=-27.01 degrees ! Estimated noise=0.153618 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00271217 Jy ! Component: 100 - total flux cleaned = 0.00315785 Jy ! Component: 150 - total flux cleaned = 0.00321699 Jy ! Component: 200 - total flux cleaned = 0.00326723 Jy ! Total flux subtracted in 200 components = 0.00326723 Jy ! Clean residual min=-0.010794 max=0.013567 Jy/beam ! Clean residual mean=0.000009 rms=0.003398 Jy/beam ! Combined flux in latest and established models = 0.0801732 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 = 4.54365e-05 Jy ! Component: 100 - total flux cleaned = 8.71437e-05 Jy ! Component: 150 - total flux cleaned = 0.00014429 Jy ! Component: 200 - total flux cleaned = 0.000179746 Jy ! Total flux subtracted in 200 components = 0.000179746 Jy ! Clean residual min=-0.010765 max=0.013608 Jy/beam ! Clean residual mean=0.000009 rms=0.003397 Jy/beam ! Combined flux in latest and established models = 0.0803529 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 0.0803529 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9438 mas, bmaj=1.836 mas, bpa=-5.063 degrees ! Estimated noise=0.137193 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00122341 Jy ! Component: 100 - total flux cleaned = -0.00117861 Jy ! Component: 150 - total flux cleaned = -0.0010524 Jy ! Component: 200 - total flux cleaned = -0.000974338 Jy ! Total flux subtracted in 200 components = -0.000974338 Jy ! Clean residual min=-0.006059 max=0.007508 Jy/beam ! Clean residual mean=0.000004 rms=0.001841 Jy/beam ! Combined flux in latest and established models = 0.0793786 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 44 components and 0.0793786 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=0.157070Jy sigma=1.464728 ! Fit after self-cal, rms=0.157042Jy sigma=1.463003 wmodel J1831+2907_X_map.mod ! Writing 44 model components to file: J1831+2907_X_map.mod wobs J1831+2907_X_uvs.fits ! Writing UV FITS file: J1831+2907_X_uvs.fits wwins J1831+2907_X_map.win ! wwins: Wrote 1 windows to J1831+2907_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 = 0.00332788 Jy ! Component: 100 - total flux cleaned = 0.00612275 Jy ! Component: 150 - total flux cleaned = 0.00807227 Jy ! Component: 200 - total flux cleaned = 0.00971767 Jy ! Component: 250 - total flux cleaned = 0.011092 Jy ! Component: 300 - total flux cleaned = 0.0126221 Jy ! Component: 350 - total flux cleaned = 0.0140015 Jy ! Component: 400 - total flux cleaned = 0.0150528 Jy ! Component: 450 - total flux cleaned = 0.015985 Jy ! Component: 500 - total flux cleaned = 0.0170775 Jy ! Component: 550 - total flux cleaned = 0.0178764 Jy ! Component: 600 - total flux cleaned = 0.0190057 Jy ! Component: 650 - total flux cleaned = 0.0198553 Jy ! Component: 700 - total flux cleaned = 0.0207721 Jy ! Component: 750 - total flux cleaned = 0.0215897 Jy ! Component: 800 - total flux cleaned = 0.0224735 Jy ! Component: 850 - total flux cleaned = 0.0231851 Jy ! Component: 900 - total flux cleaned = 0.0239628 Jy ! Component: 950 - total flux cleaned = 0.0245752 Jy ! Component: 1000 - total flux cleaned = 0.0253311 Jy ! Component: 1050 - total flux cleaned = 0.0257793 Jy ! Component: 1100 - total flux cleaned = 0.0261487 Jy ! Component: 1150 - total flux cleaned = 0.0266599 Jy ! Component: 1200 - total flux cleaned = 0.0270937 Jy ! Component: 1250 - total flux cleaned = 0.0274512 Jy ! Component: 1300 - total flux cleaned = 0.0279462 Jy ! Component: 1350 - total flux cleaned = 0.0282961 Jy ! Component: 1400 - total flux cleaned = 0.0286425 Jy ! Component: 1450 - total flux cleaned = 0.0290544 Jy ! Component: 1500 - total flux cleaned = 0.0293947 Jy ! Component: 1550 - total flux cleaned = 0.0297311 Jy ! Component: 1600 - total flux cleaned = 0.0299978 Jy ! Component: 1650 - total flux cleaned = 0.0301304 Jy ! Component: 1700 - total flux cleaned = 0.0305903 Jy ! Component: 1750 - total flux cleaned = 0.0310456 Jy ! Component: 1800 - total flux cleaned = 0.0312385 Jy ! Component: 1850 - total flux cleaned = 0.0316221 Jy ! Component: 1900 - total flux cleaned = 0.032002 Jy ! Component: 1950 - total flux cleaned = 0.0323161 Jy ! Component: 2000 - total flux cleaned = 0.0325655 Jy ! Component: 2050 - total flux cleaned = 0.0328744 Jy ! Component: 2100 - total flux cleaned = 0.0332423 Jy ! Component: 2150 - total flux cleaned = 0.0331202 Jy ! Component: 2200 - total flux cleaned = 0.0335438 Jy ! Component: 2250 - total flux cleaned = 0.0337836 Jy ! Component: 2300 - total flux cleaned = 0.0342002 Jy ! Component: 2350 - total flux cleaned = 0.0344359 Jy ! Component: 2400 - total flux cleaned = 0.0347869 Jy ! Component: 2450 - total flux cleaned = 0.0349608 Jy ! Component: 2500 - total flux cleaned = 0.0353659 Jy ! Component: 2550 - total flux cleaned = 0.0357101 Jy ! Component: 2600 - total flux cleaned = 0.035995 Jy ! Component: 2650 - total flux cleaned = 0.0363347 Jy ! Component: 2700 - total flux cleaned = 0.036335 Jy ! Component: 2750 - total flux cleaned = 0.0369489 Jy ! Component: 2800 - total flux cleaned = 0.0372261 Jy ! Component: 2850 - total flux cleaned = 0.037391 Jy ! Component: 2900 - total flux cleaned = 0.037774 Jy ! Component: 2950 - total flux cleaned = 0.0380454 Jy ! Component: 3000 - total flux cleaned = 0.0383151 Jy ! Component: 3050 - total flux cleaned = 0.038476 Jy ! Component: 3100 - total flux cleaned = 0.0388492 Jy ! Component: 3150 - total flux cleaned = 0.039166 Jy ! Component: 3200 - total flux cleaned = 0.0394812 Jy ! Component: 3250 - total flux cleaned = 0.0395335 Jy ! Component: 3300 - total flux cleaned = 0.0398455 Jy ! Component: 3350 - total flux cleaned = 0.0402069 Jy ! Component: 3400 - total flux cleaned = 0.040361 Jy ! Component: 3450 - total flux cleaned = 0.0405143 Jy ! Component: 3500 - total flux cleaned = 0.0408183 Jy ! Component: 3550 - total flux cleaned = 0.0411203 Jy ! Component: 3600 - total flux cleaned = 0.0415208 Jy ! Component: 3650 - total flux cleaned = 0.0416202 Jy ! Component: 3700 - total flux cleaned = 0.0418177 Jy ! Component: 3750 - total flux cleaned = 0.0421127 Jy ! Component: 3800 - total flux cleaned = 0.0424062 Jy ! Component: 3850 - total flux cleaned = 0.0426492 Jy ! Component: 3900 - total flux cleaned = 0.043036 Jy ! Component: 3950 - total flux cleaned = 0.043228 Jy ! Component: 4000 - total flux cleaned = 0.0435623 Jy ! Component: 4050 - total flux cleaned = 0.04361 Jy ! Total flux subtracted in 4096 components = 0.0440353 Jy ! Clean residual min=-0.002363 max=0.002700 Jy/beam ! Clean residual mean=-0.000001 rms=0.001012 Jy/beam ! Combined flux in latest and established models = 0.123414 Jy keep ! Adding 601 model components to the UV plane model. ! The established model now contains 645 components and 0.123414 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1831+2907_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9438 x 1.836 at -5.063 degrees (North through East) ! Clean map min=-0.0051726 max=0.031971 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1831+2907_X_map.fits wmodel /vlbi/uf001/uva//J1831+2907_X_map.mod ! Writing 645 model components to file: /vlbi/uf001/uva//J1831+2907_X_map.mod wobs /vlbi/uf001/uva//J1831+2907_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1831+2907_X_uvs.fits wwins /vlbi/uf001/uva//J1831+2907_X_map.win ! wwins: Wrote 2 windows to /vlbi/uf001/uva//J1831+2907_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0319714 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00100807 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -9.45907 9.45907 18.9181 37.8363 75.6726 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.031 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 31.715 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1831+2907_X_dfm.log closed on Mon Jan 14 04:40:55 2019