! Started logfile: /vlbi/uf001/uva//J1818+5017_X_dfm.log on Mon Jan 14 04:34:12 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//J1818+5017_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1818+5017_X_uva.fits ! AN table 1: 57 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.97807 visibilities/baseline/integration-bin. ! Found source: J1818+5017 ! ! 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 24084 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 J1818+5017_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 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 33 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.008227Jy sigma=24.833087 ! Fit after self-cal, rms=0.848422Jy sigma=20.827747 ! 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=0.7788 mas, bmaj=1.006 mas, bpa=-16.51 degrees ! Estimated noise=0.359937 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 = 0.114251 Jy ! Component: 100 - total flux cleaned = 0.142135 Jy ! Total flux subtracted in 100 components = 0.142135 Jy ! Clean residual min=-0.005640 max=0.011232 Jy/beam ! Clean residual mean=0.000026 rms=0.001257 Jy/beam ! Combined flux in latest and established models = 0.142135 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.142135 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=0.062465Jy sigma=1.455106 ! Fit after self-cal, rms=0.062461Jy sigma=1.454918 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011983 Jy ! Component: 100 - total flux cleaned = 0.0182482 Jy ! Total flux subtracted in 100 components = 0.0182482 Jy ! Clean residual min=-0.005094 max=0.007246 Jy/beam ! Clean residual mean=0.000014 rms=0.001038 Jy/beam ! Combined flux in latest and established models = 0.160383 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.160383 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=0.059265Jy sigma=1.366136 ! Fit after self-cal, rms=0.059263Jy sigma=1.365872 ! Inverting map ! Added new window around map position (-2, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00617312 Jy ! Component: 100 - total flux cleaned = 0.00978776 Jy ! Total flux subtracted in 100 components = 0.00978776 Jy ! Clean residual min=-0.004772 max=0.005668 Jy/beam ! Clean residual mean=0.000009 rms=0.000956 Jy/beam ! Combined flux in latest and established models = 0.170171 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.170171 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=0.058351Jy sigma=1.341840 ! Fit after self-cal, rms=0.058301Jy sigma=1.340316 ! 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=0.965 mas, bmaj=1.276 mas, bpa=-14.89 degrees ! Estimated noise=0.195054 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 = 0.00492181 Jy ! Component: 100 - total flux cleaned = 0.00804223 Jy ! Component: 150 - total flux cleaned = 0.0101782 Jy ! Component: 200 - total flux cleaned = 0.0117113 Jy ! Total flux subtracted in 200 components = 0.0117113 Jy ! Clean residual min=-0.004280 max=0.004446 Jy/beam ! Clean residual mean=-0.000000 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 0.181883 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 27 components and 0.181883 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=0.057856Jy sigma=1.327343 ! Fit after self-cal, rms=0.057834Jy sigma=1.326556 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.965 x 1.276 at -14.89 degrees (North through East) ! Clean map min=-0.0038344 max=0.15094 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.94 KP 1.02 LA 0.97 ! MK 0.99 NL 1.09 OV 0.89 PT 0.92 ! SC 1.09 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.94 KP 1.02 LA 1.00 ! MK 1.00 NL 1.08 OV 0.89 PT 0.92 ! SC 1.14 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.91 KP 1.02 LA 0.98 ! MK 0.96 NL 1.12 OV 0.90 PT 0.92 ! SC 1.10 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.93 KP 1.01 LA 0.99 ! MK 0.99 NL 1.10 OV 0.92 PT 0.91 ! SC 1.09 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.92 KP 1.01 LA 1.00 ! MK 0.97 NL 1.11 OV 0.92 PT 0.92 ! SC 1.14 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.93 KP 1.04 LA 0.99 ! MK 0.97 NL 1.12 OV 0.90 PT 0.90 ! SC 1.10 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.95 KP 1.02 LA 1.00 ! MK 1.00 NL 1.11 OV 0.92 PT 0.92 ! SC 1.11 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.96 KP 1.05 LA 0.99 ! MK 0.99 NL 1.09 OV 0.90 PT 0.92 ! SC 1.11 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 0.95 KP 1.02 LA 1.00 ! MK 0.99 NL 1.11 OV 0.94 PT 0.94 ! SC 1.11 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 0.95 KP 1.07 LA 0.98 ! MK 0.99 NL 1.13 OV 0.90 PT 0.94 ! SC 1.07 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.93 KP 1.04 LA 1.04 ! MK 0.99 NL 1.10 OV 0.91 PT 0.93 ! SC 1.11 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 HN 0.97 KP 1.04 LA 1.00 ! MK 0.95 NL 1.13 OV 0.92 PT 0.89 ! SC 1.11 ! ! ! Fit before self-cal, rms=0.057834Jy sigma=1.326556 ! Fit after self-cal, rms=0.057213Jy sigma=1.273239 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9684 mas, bmaj=1.293 mas, bpa=-16.5 degrees ! Estimated noise=0.195625 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 = -0.00198965 Jy ! Component: 100 - total flux cleaned = -0.00263738 Jy ! Component: 150 - total flux cleaned = -0.00297504 Jy ! Component: 200 - total flux cleaned = -0.00310078 Jy ! Total flux subtracted in 200 components = -0.00310078 Jy ! Clean residual min=-0.002302 max=0.002161 Jy/beam ! Clean residual mean=-0.000002 rms=0.000405 Jy/beam ! Combined flux in latest and established models = 0.178782 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 39 components and 0.178782 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=0.057082Jy sigma=1.270166 ! Fit after self-cal, rms=0.057124Jy sigma=1.269665 ! Inverting map ! Added new window around map position (0.4, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000905157 Jy ! Component: 100 - total flux cleaned = 0.000900778 Jy ! Component: 150 - total flux cleaned = 0.000735694 Jy ! Component: 200 - total flux cleaned = 0.000591694 Jy ! Total flux subtracted in 200 components = 0.000591694 Jy ! Clean residual min=-0.002127 max=0.001727 Jy/beam ! Clean residual mean=-0.000003 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.179373 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 50 components and 0.179373 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=0.056966Jy sigma=1.266329 ! Fit after self-cal, rms=0.056951Jy sigma=1.266061 ! 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=0.056951Jy sigma=1.266061 ! Fit after self-cal, rms=0.056872Jy sigma=1.255410 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9745 mas, bmaj=1.28 mas, bpa=-16.37 degrees ! Estimated noise=0.19526 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000875961 Jy ! Component: 100 - total flux cleaned = -0.00117488 Jy ! Component: 150 - total flux cleaned = -0.00147461 Jy ! Component: 200 - total flux cleaned = -0.00156782 Jy ! Total flux subtracted in 200 components = -0.00156782 Jy ! Clean residual min=-0.001333 max=0.001308 Jy/beam ! Clean residual mean=-0.000003 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.177806 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 61 components and 0.177806 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=0.056832Jy sigma=1.254420 ! Fit after self-cal, rms=0.056841Jy sigma=1.254308 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 = -9.78622e-05 Jy ! Component: 100 - total flux cleaned = -9.87478e-05 Jy ! Component: 150 - total flux cleaned = -9.87645e-05 Jy ! Component: 200 - total flux cleaned = -6.20622e-05 Jy ! Total flux subtracted in 200 components = -6.20622e-05 Jy ! Clean residual min=-0.001266 max=0.001292 Jy/beam ! Clean residual mean=-0.000003 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.177744 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.177744 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=0.056828Jy sigma=1.253990 ! Fit after self-cal, rms=0.056827Jy sigma=1.253980 ! Inverting map ! Added new window around map position (35, -19). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000475858 Jy ! Component: 100 - total flux cleaned = 0.000288914 Jy ! Component: 150 - total flux cleaned = 0.000237538 Jy ! Component: 200 - total flux cleaned = 0.000131326 Jy ! Total flux subtracted in 200 components = 0.000131326 Jy ! Clean residual min=-0.001135 max=0.001067 Jy/beam ! Clean residual mean=-0.000004 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.177875 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 78 components and 0.177875 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=0.056790Jy sigma=1.253232 ! Fit after self-cal, rms=0.056789Jy sigma=1.253195 ! 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=0.056789Jy sigma=1.253195 ! Fit after self-cal, rms=0.056750Jy sigma=1.252969 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9754 mas, bmaj=1.279 mas, bpa=-16.49 degrees ! Estimated noise=0.194975 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000249359 Jy ! Component: 100 - total flux cleaned = -0.000355441 Jy ! Component: 150 - total flux cleaned = -0.00047344 Jy ! Component: 200 - total flux cleaned = -0.000546906 Jy ! Total flux subtracted in 200 components = -0.000546906 Jy ! Clean residual min=-0.001073 max=0.001038 Jy/beam ! Clean residual mean=-0.000004 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.177328 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 80 components and 0.177328 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=0.056734Jy sigma=1.252599 ! Fit after self-cal, rms=0.056734Jy sigma=1.252590 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 = -5.31256e-05 Jy ! Component: 100 - total flux cleaned = -8.69109e-05 Jy ! Component: 150 - total flux cleaned = -0.00011859 Jy ! Component: 200 - total flux cleaned = -0.000133671 Jy ! Total flux subtracted in 200 components = -0.000133671 Jy ! Clean residual min=-0.001034 max=0.001038 Jy/beam ! Clean residual mean=-0.000004 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.177194 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 83 components and 0.177194 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=0.056726Jy sigma=1.252391 ! Fit after self-cal, rms=0.056726Jy sigma=1.252389 ! Inverting map ! Added new window around map position (-28.8, 51). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000903727 Jy ! Component: 100 - total flux cleaned = 0.00109573 Jy ! Component: 150 - total flux cleaned = 0.00124454 Jy ! Component: 200 - total flux cleaned = 0.00136837 Jy ! Total flux subtracted in 200 components = 0.00136837 Jy ! Clean residual min=-0.001022 max=0.000983 Jy/beam ! Clean residual mean=-0.000003 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.178563 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 93 components and 0.178563 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=0.056707Jy sigma=1.251960 ! Fit after self-cal, rms=0.056706Jy sigma=1.251943 ! 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=0.056706Jy sigma=1.251943 ! Fit after self-cal, rms=0.056670Jy sigma=1.251861 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.256 mas, bmaj=2.315 mas, bpa=-20.56 degrees ! Estimated noise=0.247303 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0001833 Jy ! Component: 100 - total flux cleaned = 0.000219312 Jy ! Component: 150 - total flux cleaned = 0.000267455 Jy ! Component: 200 - total flux cleaned = 0.000259173 Jy ! Total flux subtracted in 200 components = 0.000259173 Jy ! Clean residual min=-0.001037 max=0.001007 Jy/beam ! Clean residual mean=-0.000009 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.178822 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 106 components and 0.178822 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=0.056667Jy sigma=1.251787 ! Fit after self-cal, rms=0.056668Jy sigma=1.251779 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 = 6.93498e-05 Jy ! Component: 100 - total flux cleaned = 8.36561e-05 Jy ! Component: 150 - total flux cleaned = 9.683e-05 Jy ! Component: 200 - total flux cleaned = 0.000103047 Jy ! Total flux subtracted in 200 components = 0.000103047 Jy ! Clean residual min=-0.001045 max=0.000993 Jy/beam ! Clean residual mean=-0.000009 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.178925 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 111 components and 0.178925 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=0.056667Jy sigma=1.251748 ! Fit after self-cal, rms=0.056667Jy sigma=1.251748 ! 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=0.9763 mas, bmaj=1.278 mas, bpa=-16.54 degrees ! Estimated noise=0.194743 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9763 x 1.278 at -16.54 degrees (North through East) ! Clean map min=-0.0010747 max=0.15067 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=0.7853 mas, bmaj=1.005 mas, bpa=-17.85 degrees ! Estimated noise=0.360654 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.114373 Jy ! Component: 100 - total flux cleaned = 0.141817 Jy ! Component: 150 - total flux cleaned = 0.153488 Jy ! Component: 200 - total flux cleaned = 0.160183 Jy ! Total flux subtracted in 200 components = 0.160183 Jy ! Clean residual min=-0.002386 max=0.003641 Jy/beam ! Clean residual mean=0.000007 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.160183 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.160183 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9763 mas, bmaj=1.278 mas, bpa=-16.54 degrees ! Estimated noise=0.194743 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 = 0.00639159 Jy ! Component: 100 - total flux cleaned = 0.00990499 Jy ! Component: 150 - total flux cleaned = 0.0121545 Jy ! Component: 200 - total flux cleaned = 0.0137782 Jy ! Total flux subtracted in 200 components = 0.0137782 Jy ! Clean residual min=-0.001216 max=0.001171 Jy/beam ! Clean residual mean=-0.000002 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.173961 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 32 components and 0.173961 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=2.256 mas, bmaj=2.315 mas, bpa=-20.56 degrees ! Estimated noise=0.247303 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153268 Jy ! Component: 100 - total flux cleaned = 0.00218019 Jy ! Component: 150 - total flux cleaned = 0.00265055 Jy ! Component: 200 - total flux cleaned = 0.00288692 Jy ! Total flux subtracted in 200 components = 0.00288692 Jy ! Clean residual min=-0.001124 max=0.001142 Jy/beam ! Clean residual mean=-0.000007 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.176848 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 = 0.000183995 Jy ! Component: 100 - total flux cleaned = 0.000305815 Jy ! Component: 150 - total flux cleaned = 0.000433038 Jy ! Component: 200 - total flux cleaned = 0.000561896 Jy ! Total flux subtracted in 200 components = 0.000561896 Jy ! Clean residual min=-0.001049 max=0.001042 Jy/beam ! Clean residual mean=-0.000007 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.17741 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 63 components and 0.17741 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9763 mas, bmaj=1.278 mas, bpa=-16.54 degrees ! Estimated noise=0.194743 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.01169e-05 Jy ! Component: 100 - total flux cleaned = -0.000160994 Jy ! Component: 150 - total flux cleaned = -6.89952e-05 Jy ! Component: 200 - total flux cleaned = 4.26579e-05 Jy ! Total flux subtracted in 200 components = 4.26579e-05 Jy ! Clean residual min=-0.001076 max=0.001019 Jy/beam ! Clean residual mean=-0.000003 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.177453 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 79 components and 0.177453 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=0.056727Jy sigma=1.252998 ! Fit after self-cal, rms=0.056715Jy sigma=1.252817 wmodel J1818+5017_X_map.mod ! Writing 79 model components to file: J1818+5017_X_map.mod wobs J1818+5017_X_uvs.fits ! Writing UV FITS file: J1818+5017_X_uvs.fits wwins J1818+5017_X_map.win ! wwins: Wrote 5 windows to J1818+5017_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 = -0.000367934 Jy ! Component: 100 - total flux cleaned = -0.000567362 Jy ! Component: 150 - total flux cleaned = -0.000705618 Jy ! Component: 200 - total flux cleaned = -0.000739219 Jy ! Component: 250 - total flux cleaned = -0.000771487 Jy ! Component: 300 - total flux cleaned = -0.000818849 Jy ! Component: 350 - total flux cleaned = -0.000850009 Jy ! Component: 400 - total flux cleaned = -0.000820273 Jy ! Component: 450 - total flux cleaned = -0.000805732 Jy ! Component: 500 - total flux cleaned = -0.00077647 Jy ! Component: 550 - total flux cleaned = -0.000733499 Jy ! Component: 600 - total flux cleaned = -0.000691183 Jy ! Component: 650 - total flux cleaned = -0.000663571 Jy ! Component: 700 - total flux cleaned = -0.000595201 Jy ! Component: 750 - total flux cleaned = -0.00056822 Jy ! Component: 800 - total flux cleaned = -0.000474608 Jy ! Component: 850 - total flux cleaned = -0.000448163 Jy ! Component: 900 - total flux cleaned = -0.000396211 Jy ! Component: 950 - total flux cleaned = -0.000344712 Jy ! Component: 1000 - total flux cleaned = -0.000382908 Jy ! Component: 1050 - total flux cleaned = -0.000332407 Jy ! Component: 1100 - total flux cleaned = -0.00031986 Jy ! Component: 1150 - total flux cleaned = -0.000282871 Jy ! Component: 1200 - total flux cleaned = -0.00033172 Jy ! Component: 1250 - total flux cleaned = -0.000283427 Jy ! Component: 1300 - total flux cleaned = -0.000235659 Jy ! Component: 1350 - total flux cleaned = -0.000235573 Jy ! Component: 1400 - total flux cleaned = -0.000176837 Jy ! Component: 1450 - total flux cleaned = -0.000153481 Jy ! Component: 1500 - total flux cleaned = -0.000107296 Jy ! Component: 1550 - total flux cleaned = -6.14055e-05 Jy ! Component: 1600 - total flux cleaned = 6.84039e-06 Jy ! Component: 1650 - total flux cleaned = 4.07711e-05 Jy ! Component: 1700 - total flux cleaned = 9.68804e-05 Jy ! Component: 1750 - total flux cleaned = 0.000107974 Jy ! Component: 1800 - total flux cleaned = 0.000185215 Jy ! Component: 1850 - total flux cleaned = 0.000239792 Jy ! Component: 1900 - total flux cleaned = 0.000294162 Jy ! Component: 1950 - total flux cleaned = 0.000315805 Jy ! Component: 2000 - total flux cleaned = 0.000348048 Jy ! Component: 2050 - total flux cleaned = 0.000390786 Jy ! Component: 2100 - total flux cleaned = 0.000475341 Jy ! Component: 2150 - total flux cleaned = 0.00052777 Jy ! Component: 2200 - total flux cleaned = 0.000558992 Jy ! Component: 2250 - total flux cleaned = 0.000631413 Jy ! Component: 2300 - total flux cleaned = 0.000631495 Jy ! Component: 2350 - total flux cleaned = 0.00069273 Jy ! Component: 2400 - total flux cleaned = 0.000723219 Jy ! Component: 2450 - total flux cleaned = 0.000793823 Jy ! Component: 2500 - total flux cleaned = 0.000823908 Jy ! Component: 2550 - total flux cleaned = 0.000903494 Jy ! Component: 2600 - total flux cleaned = 0.000903383 Jy ! Component: 2650 - total flux cleaned = 0.000952477 Jy ! Component: 2700 - total flux cleaned = 0.00099136 Jy ! Component: 2750 - total flux cleaned = 0.00102048 Jy ! Component: 2800 - total flux cleaned = 0.00105912 Jy ! Component: 2850 - total flux cleaned = 0.00111672 Jy ! Component: 2900 - total flux cleaned = 0.00117391 Jy ! Component: 2950 - total flux cleaned = 0.00120225 Jy ! Component: 3000 - total flux cleaned = 0.00122121 Jy ! Component: 3050 - total flux cleaned = 0.00131488 Jy ! Component: 3100 - total flux cleaned = 0.00134286 Jy ! Component: 3150 - total flux cleaned = 0.00134291 Jy ! Component: 3200 - total flux cleaned = 0.00139823 Jy ! Component: 3250 - total flux cleaned = 0.00145326 Jy ! Component: 3300 - total flux cleaned = 0.0014715 Jy ! Component: 3350 - total flux cleaned = 0.00154408 Jy ! Component: 3400 - total flux cleaned = 0.00158006 Jy ! Component: 3450 - total flux cleaned = 0.00158005 Jy ! Component: 3500 - total flux cleaned = 0.00162474 Jy ! Component: 3550 - total flux cleaned = 0.00165131 Jy ! Component: 3600 - total flux cleaned = 0.00166013 Jy ! Component: 3650 - total flux cleaned = 0.00166013 Jy ! Component: 3700 - total flux cleaned = 0.00171262 Jy ! Component: 3750 - total flux cleaned = 0.00173887 Jy ! Component: 3800 - total flux cleaned = 0.00176488 Jy ! Component: 3850 - total flux cleaned = 0.00182527 Jy ! Component: 3900 - total flux cleaned = 0.00185959 Jy ! Component: 3950 - total flux cleaned = 0.00188532 Jy ! Component: 4000 - total flux cleaned = 0.00191936 Jy ! Component: 4050 - total flux cleaned = 0.00195317 Jy ! Total flux subtracted in 4096 components = 0.00195317 Jy ! Clean residual min=-0.000475 max=0.000525 Jy/beam ! Clean residual mean=-0.000001 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.179406 Jy keep ! Adding 319 model components to the UV plane model. ! The established model now contains 398 components and 0.179406 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1818+5017_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9763 x 1.278 at -16.54 degrees (North through East) ! Clean map min=-0.00070449 max=0.15143 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1818+5017_X_map.fits wmodel /vlbi/uf001/uva//J1818+5017_X_map.mod ! Writing 398 model components to file: /vlbi/uf001/uva//J1818+5017_X_map.mod wobs /vlbi/uf001/uva//J1818+5017_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1818+5017_X_uvs.fits wwins /vlbi/uf001/uva//J1818+5017_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1818+5017_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.151425 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000141551 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.280437 0.280437 0.560874 1.12175 2.2435 4.48699 8.97399 17.948 35.8959 71.7919 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.151 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1069.76 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1818+5017_X_dfm.log closed on Mon Jan 14 04:34:18 2019