! Started logfile: /vlbi/uf001/uva//J0837-3409_X_dfm.log on Mon Jan 14 00:02:04 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//J0837-3409_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0837-3409_X_uva.fits ! AN table 1: 28 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.781746 visibilities/baseline/integration-bin. ! Found source: J0837-3409 ! ! 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 11820 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 J0837-3409_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 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.052160Jy sigma=15.773104 ! Fit after self-cal, rms=0.692718Jy sigma=9.684078 ! 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=0.6406 mas, bmaj=2.037 mas, bpa=1.289 degrees ! Estimated noise=0.921235 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 = 0.258222 Jy ! Component: 100 - total flux cleaned = 0.315334 Jy ! Total flux subtracted in 100 components = 0.315334 Jy ! Clean residual min=-0.025330 max=0.033908 Jy/beam ! Clean residual mean=-0.000026 rms=0.006073 Jy/beam ! Combined flux in latest and established models = 0.315334 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.315334 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=0.139712Jy sigma=1.954699 ! Fit after self-cal, rms=0.139692Jy sigma=1.954644 ! 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=0.8247 mas, bmaj=2.474 mas, bpa=1.087 degrees ! Estimated noise=0.490976 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 = 0.0271359 Jy ! Component: 100 - total flux cleaned = 0.0390828 Jy ! Component: 150 - total flux cleaned = 0.0434767 Jy ! Component: 200 - total flux cleaned = 0.0442552 Jy ! Total flux subtracted in 200 components = 0.0442552 Jy ! Clean residual min=-0.021184 max=0.027255 Jy/beam ! Clean residual mean=0.000017 rms=0.005966 Jy/beam ! Combined flux in latest and established models = 0.359589 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 19 components and 0.359589 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=0.140179Jy sigma=1.802385 ! Fit after self-cal, rms=0.140175Jy sigma=1.802286 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8247 x 2.474 at 1.087 degrees (North through East) ! Clean map min=-0.020405 max=0.33895 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.92 HN 1.57 KP 0.94 ! LA 0.76 MK 0.96 NL 1.22 OV 0.91 ! PT 1.35 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.93 HN 1.54 KP 0.92 ! LA 0.78 MK 0.97 NL 1.21 OV 0.91 ! PT 1.30 SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.95 HN 1.62 KP 0.93 ! LA 0.76 MK 0.95 NL 1.18 OV 0.91 ! PT 1.31 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.94 HN 1.59 KP 0.92 ! LA 0.77 MK 0.96 NL 1.22 OV 0.91 ! PT 1.40 SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.95 HN 1.56 KP 0.92 ! LA 0.76 MK 0.95 NL 1.22 OV 0.91 ! PT 1.39 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.94 HN 1.58 KP 0.91 ! LA 0.76 MK 0.97 NL 1.23 OV 0.90 ! PT 1.40 SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.96 HN 1.59 KP 0.93 ! LA 0.77 MK 0.94 NL 1.20 OV 0.89 ! PT 1.44 SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.94 HN 1.60 KP 0.94 ! LA 0.77 MK 0.95 NL 1.19 OV 0.91 ! PT 1.46 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.94 HN 1.56 KP 0.93 ! LA 0.74 MK 0.95 NL 1.18 OV 0.91 ! PT 1.35 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.58 KP 0.95 ! LA 0.75 MK 0.94 NL 1.24 OV 0.91 ! PT 1.34 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.95 HN 1.57 KP 0.95 ! LA 0.78 MK 0.95 NL 1.23 OV 0.91 ! PT 1.49 SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.96 HN 1.60 KP 0.91 ! LA 0.77 MK 0.94 NL 1.23 OV 0.91 ! PT 1.46 SC 0.97 ! ! ! Fit before self-cal, rms=0.140175Jy sigma=1.802286 ! Fit after self-cal, rms=0.150899Jy sigma=1.270237 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8226 mas, bmaj=2.447 mas, bpa=1.644 degrees ! Estimated noise=0.487761 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 = -0.00348336 Jy ! Component: 100 - total flux cleaned = -0.00367447 Jy ! Component: 150 - total flux cleaned = -0.00384038 Jy ! Component: 200 - total flux cleaned = -0.0038488 Jy ! Total flux subtracted in 200 components = -0.0038488 Jy ! Clean residual min=-0.007660 max=0.008017 Jy/beam ! Clean residual mean=0.000009 rms=0.001671 Jy/beam ! Combined flux in latest and established models = 0.35574 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 22 components and 0.35574 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=0.150192Jy sigma=1.265116 ! Fit after self-cal, rms=0.151361Jy sigma=1.263028 ! 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=0.151361Jy sigma=1.263028 ! Fit after self-cal, rms=0.158819Jy sigma=1.206664 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8278 mas, bmaj=2.459 mas, bpa=1.804 degrees ! Estimated noise=0.48872 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000699656 Jy ! Component: 100 - total flux cleaned = 0.000752901 Jy ! Component: 150 - total flux cleaned = 0.000755424 Jy ! Component: 200 - total flux cleaned = 0.000712658 Jy ! Total flux subtracted in 200 components = 0.000712658 Jy ! Clean residual min=-0.003085 max=0.003154 Jy/beam ! Clean residual mean=-0.000002 rms=0.000702 Jy/beam ! Combined flux in latest and established models = 0.356453 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 23 components and 0.356453 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=0.158779Jy sigma=1.206016 ! Fit after self-cal, rms=0.158847Jy sigma=1.205908 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 (11, 28.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0023569 Jy ! Component: 100 - total flux cleaned = 0.0022356 Jy ! Component: 150 - total flux cleaned = 0.00233048 Jy ! Component: 200 - total flux cleaned = 0.00237435 Jy ! Total flux subtracted in 200 components = 0.00237435 Jy ! Clean residual min=-0.002781 max=0.002664 Jy/beam ! Clean residual mean=0.000001 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.358827 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 36 components and 0.358827 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=0.158770Jy sigma=1.204219 ! Fit after self-cal, rms=0.158767Jy sigma=1.204182 ! 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=0.158767Jy sigma=1.204182 ! Fit after self-cal, rms=0.161149Jy sigma=1.201337 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8283 mas, bmaj=2.461 mas, bpa=1.811 degrees ! Estimated noise=0.488211 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000101995 Jy ! Component: 100 - total flux cleaned = -0.00017592 Jy ! Component: 150 - total flux cleaned = -0.000207742 Jy ! Component: 200 - total flux cleaned = -0.000175352 Jy ! Total flux subtracted in 200 components = -0.000175352 Jy ! Clean residual min=-0.002428 max=0.002590 Jy/beam ! Clean residual mean=-0.000003 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.358652 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 45 components and 0.358652 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=0.161129Jy sigma=1.200984 ! Fit after self-cal, rms=0.161128Jy sigma=1.200969 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 (10.2, -7.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190245 Jy ! Component: 100 - total flux cleaned = 0.00228828 Jy ! Component: 150 - total flux cleaned = 0.002528 Jy ! Component: 200 - total flux cleaned = 0.00263168 Jy ! Total flux subtracted in 200 components = 0.00263168 Jy ! Clean residual min=-0.002356 max=0.002190 Jy/beam ! Clean residual mean=-0.000002 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 0.361284 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 67 components and 0.361284 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=0.161065Jy sigma=1.200021 ! Fit after self-cal, rms=0.161060Jy sigma=1.199978 ! 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=0.161060Jy sigma=1.199978 ! Fit after self-cal, rms=0.161068Jy sigma=1.199926 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.277 mas, bmaj=6.617 mas, bpa=0.2824 degrees ! Estimated noise=0.610316 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000165621 Jy ! Component: 100 - total flux cleaned = 0.000197123 Jy ! Component: 150 - total flux cleaned = 0.000222488 Jy ! Component: 200 - total flux cleaned = 0.00022171 Jy ! Total flux subtracted in 200 components = 0.00022171 Jy ! Clean residual min=-0.002180 max=0.002026 Jy/beam ! Clean residual mean=-0.000004 rms=0.000617 Jy/beam ! Combined flux in latest and established models = 0.361505 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 78 components and 0.361505 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=0.161066Jy sigma=1.199861 ! Fit after self-cal, rms=0.161067Jy sigma=1.199844 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 = -4.92617e-05 Jy ! Component: 100 - total flux cleaned = -0.000113534 Jy ! Component: 150 - total flux cleaned = -0.000133527 Jy ! Component: 200 - total flux cleaned = -0.00017071 Jy ! Total flux subtracted in 200 components = -0.00017071 Jy ! Clean residual min=-0.002159 max=0.001974 Jy/beam ! Clean residual mean=-0.000004 rms=0.000610 Jy/beam ! Combined flux in latest and established models = 0.361335 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 82 components and 0.361335 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=0.161062Jy sigma=1.199836 ! Fit after self-cal, rms=0.161062Jy sigma=1.199834 ! 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=0.8288 mas, bmaj=2.462 mas, bpa=1.807 degrees ! Estimated noise=0.488269 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8288 x 2.462 at 1.807 degrees (North through East) ! Clean map min=-0.0023265 max=0.34079 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=0.6423 mas, bmaj=2.021 mas, bpa=2.466 degrees ! Estimated noise=0.930353 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.260618 Jy ! Component: 100 - total flux cleaned = 0.31788 Jy ! Component: 150 - total flux cleaned = 0.336343 Jy ! Component: 200 - total flux cleaned = 0.34648 Jy ! Total flux subtracted in 200 components = 0.34648 Jy ! Clean residual min=-0.005443 max=0.005383 Jy/beam ! Clean residual mean=-0.000005 rms=0.001217 Jy/beam ! Combined flux in latest and established models = 0.34648 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.34648 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8288 mas, bmaj=2.462 mas, bpa=1.807 degrees ! Estimated noise=0.488269 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 = 0.00621956 Jy ! Component: 100 - total flux cleaned = 0.00949363 Jy ! Component: 150 - total flux cleaned = 0.0118409 Jy ! Component: 200 - total flux cleaned = 0.0126303 Jy ! Total flux subtracted in 200 components = 0.0126303 Jy ! Clean residual min=-0.002896 max=0.002302 Jy/beam ! Clean residual mean=-0.000004 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.35911 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 20 components and 0.35911 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=2.277 mas, bmaj=6.617 mas, bpa=0.2824 degrees ! Estimated noise=0.610316 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000957608 Jy ! Component: 100 - total flux cleaned = 0.00173132 Jy ! Component: 150 - total flux cleaned = 0.00225088 Jy ! Component: 200 - total flux cleaned = 0.00254224 Jy ! Total flux subtracted in 200 components = 0.00254224 Jy ! Clean residual min=-0.002108 max=0.002050 Jy/beam ! Clean residual mean=-0.000004 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.361652 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 = 1.86346e-07 Jy ! Component: 100 - total flux cleaned = 2.92367e-05 Jy ! Component: 150 - total flux cleaned = 2.85566e-05 Jy ! Component: 200 - total flux cleaned = 5.29513e-05 Jy ! Total flux subtracted in 200 components = 5.29513e-05 Jy ! Clean residual min=-0.002064 max=0.002057 Jy/beam ! Clean residual mean=-0.000004 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.361705 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 40 components and 0.361705 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8288 mas, bmaj=2.462 mas, bpa=1.807 degrees ! Estimated noise=0.488269 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000693297 Jy ! Component: 100 - total flux cleaned = -0.00069227 Jy ! Component: 150 - total flux cleaned = -0.000748848 Jy ! Component: 200 - total flux cleaned = -0.000798594 Jy ! Total flux subtracted in 200 components = -0.000798594 Jy ! Clean residual min=-0.002573 max=0.002189 Jy/beam ! Clean residual mean=-0.000003 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.360907 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 53 components and 0.360907 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=0.161080Jy sigma=1.200634 ! Fit after self-cal, rms=0.161081Jy sigma=1.200598 wmodel J0837-3409_X_map.mod ! Writing 53 model components to file: J0837-3409_X_map.mod wobs J0837-3409_X_uvs.fits ! Writing UV FITS file: J0837-3409_X_uvs.fits wwins J0837-3409_X_map.win ! wwins: Wrote 3 windows to J0837-3409_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 = -0.000820763 Jy ! Component: 100 - total flux cleaned = -0.00122277 Jy ! Component: 150 - total flux cleaned = -0.00152457 Jy ! Component: 200 - total flux cleaned = -0.00173873 Jy ! Component: 250 - total flux cleaned = -0.00204572 Jy ! Component: 300 - total flux cleaned = -0.00217772 Jy ! Component: 350 - total flux cleaned = -0.00236995 Jy ! Component: 400 - total flux cleaned = -0.00246359 Jy ! Component: 450 - total flux cleaned = -0.00255569 Jy ! Component: 500 - total flux cleaned = -0.00270612 Jy ! Component: 550 - total flux cleaned = -0.0029123 Jy ! Component: 600 - total flux cleaned = -0.00299864 Jy ! Component: 650 - total flux cleaned = -0.00308449 Jy ! Component: 700 - total flux cleaned = -0.00325267 Jy ! Component: 750 - total flux cleaned = -0.00330802 Jy ! Component: 800 - total flux cleaned = -0.00347065 Jy ! Component: 850 - total flux cleaned = -0.00357735 Jy ! Component: 900 - total flux cleaned = -0.00360375 Jy ! Component: 950 - total flux cleaned = -0.00373429 Jy ! Component: 1000 - total flux cleaned = -0.00376007 Jy ! Component: 1050 - total flux cleaned = -0.00388743 Jy ! Component: 1100 - total flux cleaned = -0.00398797 Jy ! Component: 1150 - total flux cleaned = -0.00413742 Jy ! Component: 1200 - total flux cleaned = -0.00430984 Jy ! Component: 1250 - total flux cleaned = -0.00443143 Jy ! Component: 1300 - total flux cleaned = -0.00452829 Jy ! Component: 1350 - total flux cleaned = -0.00464779 Jy ! Component: 1400 - total flux cleaned = -0.00488406 Jy ! Component: 1450 - total flux cleaned = -0.00500082 Jy ! Component: 1500 - total flux cleaned = -0.00520931 Jy ! Component: 1550 - total flux cleaned = -0.00534695 Jy ! Component: 1600 - total flux cleaned = -0.00555151 Jy ! Component: 1650 - total flux cleaned = -0.00564147 Jy ! Component: 1700 - total flux cleaned = -0.00577574 Jy ! Component: 1750 - total flux cleaned = -0.00599736 Jy ! Component: 1800 - total flux cleaned = -0.00606316 Jy ! Component: 1850 - total flux cleaned = -0.00623737 Jy ! Component: 1900 - total flux cleaned = -0.00632386 Jy ! Component: 1950 - total flux cleaned = -0.00643089 Jy ! Component: 2000 - total flux cleaned = -0.00655824 Jy ! Component: 2050 - total flux cleaned = -0.00666352 Jy ! Component: 2100 - total flux cleaned = -0.0068307 Jy ! Component: 2150 - total flux cleaned = -0.00701705 Jy ! Component: 2200 - total flux cleaned = -0.00707852 Jy ! Component: 2250 - total flux cleaned = -0.00711916 Jy ! Component: 2300 - total flux cleaned = -0.00720041 Jy ! Component: 2350 - total flux cleaned = -0.00732104 Jy ! Component: 2400 - total flux cleaned = -0.00738071 Jy ! Component: 2450 - total flux cleaned = -0.00742057 Jy ! Component: 2500 - total flux cleaned = -0.00755818 Jy ! Component: 2550 - total flux cleaned = -0.00761661 Jy ! Component: 2600 - total flux cleaned = -0.00765564 Jy ! Component: 2650 - total flux cleaned = -0.00782863 Jy ! Component: 2700 - total flux cleaned = -0.00792389 Jy ! Component: 2750 - total flux cleaned = -0.00792373 Jy ! Component: 2800 - total flux cleaned = -0.00801781 Jy ! Component: 2850 - total flux cleaned = -0.00803647 Jy ! Component: 2900 - total flux cleaned = -0.00807361 Jy ! Component: 2950 - total flux cleaned = -0.00820288 Jy ! Component: 3000 - total flux cleaned = -0.00833103 Jy ! Component: 3050 - total flux cleaned = -0.00833078 Jy ! Component: 3100 - total flux cleaned = -0.00836707 Jy ! Component: 3150 - total flux cleaned = -0.00842119 Jy ! Component: 3200 - total flux cleaned = -0.00851084 Jy ! Component: 3250 - total flux cleaned = -0.00863521 Jy ! Component: 3300 - total flux cleaned = -0.00861769 Jy ! Component: 3350 - total flux cleaned = -0.00872296 Jy ! Component: 3400 - total flux cleaned = -0.00879272 Jy ! Component: 3450 - total flux cleaned = -0.00889663 Jy ! Component: 3500 - total flux cleaned = -0.0089827 Jy ! Component: 3550 - total flux cleaned = -0.0089826 Jy ! Component: 3600 - total flux cleaned = -0.00906781 Jy ! Component: 3650 - total flux cleaned = -0.00916935 Jy ! Component: 3700 - total flux cleaned = -0.00925348 Jy ! Component: 3750 - total flux cleaned = -0.00925346 Jy ! Component: 3800 - total flux cleaned = -0.00936994 Jy ! Component: 3850 - total flux cleaned = -0.00945288 Jy ! Component: 3900 - total flux cleaned = -0.00951858 Jy ! Component: 3950 - total flux cleaned = -0.00960046 Jy ! Component: 4000 - total flux cleaned = -0.009633 Jy ! Component: 4050 - total flux cleaned = -0.00968161 Jy ! Total flux subtracted in 4096 components = -0.00968149 Jy ! Clean residual min=-0.000904 max=0.000961 Jy/beam ! Clean residual mean=-0.000001 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.351225 Jy keep ! Adding 260 model components to the UV plane model. ! The established model now contains 313 components and 0.351225 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0837-3409_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8288 x 2.462 at 1.807 degrees (North through East) ! Clean map min=-0.0020776 max=0.34096 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0837-3409_X_map.fits wmodel /vlbi/uf001/uva//J0837-3409_X_map.mod ! Writing 313 model components to file: /vlbi/uf001/uva//J0837-3409_X_map.mod wobs /vlbi/uf001/uva//J0837-3409_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0837-3409_X_uvs.fits wwins /vlbi/uf001/uva//J0837-3409_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0837-3409_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.340959 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000285264 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.250996 0.250996 0.501991 1.00398 2.00796 4.01593 8.03186 16.0637 32.1274 64.2549 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.34 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1195.24 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0837-3409_X_dfm.log closed on Mon Jan 14 00:02:08 2019