! Started logfile: /vlbi/uf001/uva//J2307+1901_X_b_dfm.log on Mon Jan 14 06:34:21 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//J2307+1901_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2307+1901_X_b_uva.fits ! AN table 1: 58 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.767857 visibilities/baseline/integration-bin. ! Found source: J2307+1901 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 14964 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 J2307+1901_X_b] 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 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002872Jy sigma=24.105832 ! Fit after self-cal, rms=0.970494Jy sigma=23.339569 ! 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=1.056 mas, bmaj=2.509 mas, bpa=-8.804 degrees ! Estimated noise=0.515584 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 = 0.0246326 Jy ! Component: 100 - total flux cleaned = 0.0300041 Jy ! Total flux subtracted in 100 components = 0.0300041 Jy ! Clean residual min=-0.002889 max=0.003031 Jy/beam ! Clean residual mean=-0.000003 rms=0.000725 Jy/beam ! Combined flux in latest and established models = 0.0300041 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.0300041 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=0.052818Jy sigma=1.193578 ! Fit after self-cal, rms=0.050932Jy sigma=1.147741 ! 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=1.281 mas, bmaj=2.657 mas, bpa=-9.367 degrees ! Estimated noise=0.247907 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 = 0.00297481 Jy ! Component: 100 - total flux cleaned = 0.00375262 Jy ! Component: 150 - total flux cleaned = 0.00412707 Jy ! Component: 200 - total flux cleaned = 0.00426033 Jy ! Total flux subtracted in 200 components = 0.00426033 Jy ! Clean residual min=-0.002017 max=0.002401 Jy/beam ! Clean residual mean=-0.000008 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.0342645 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0342645 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=0.050742Jy sigma=1.144217 ! Fit after self-cal, rms=0.050735Jy sigma=1.144139 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.281 x 2.657 at -9.367 degrees (North through East) ! Clean map min=-0.0019531 max=0.033908 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.04 HN 0.98 KP 0.99 ! LA 0.90 MK 1.18 NL 1.22 PT 0.86 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 0.95 KP 0.98 ! LA 1.02 MK 1.04 NL 1.24 PT 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.96 HN 0.97 KP 1.01 ! LA 0.94 MK 1.17 NL 1.19 PT 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.15 HN 0.91 KP 1.00 ! LA 0.93 MK 0.98 NL 1.26 PT 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 HN 0.85 KP 1.05 ! LA 1.03 MK 1.07 NL 1.18 PT 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.94 HN 0.93 KP 1.03 ! LA 0.95 MK 1.14 NL 1.19 PT 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.99 HN 0.90 KP 0.96 ! LA 0.98 MK 1.05 NL 1.24 PT 0.84 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 0.91 KP 1.04 ! LA 0.96 MK 0.98 NL 1.10 PT 0.88 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.02 HN 0.84 KP 0.97 ! LA 0.93 MK 1.12 NL 1.18 PT 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.00 HN 0.88 KP 0.90 ! LA 1.00 MK 0.97 NL 1.31 PT 0.80 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 0.94 HN 0.81 KP 0.91 ! LA 1.00 MK 0.94 NL 1.17 PT 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.02 HN 0.84 KP 0.82 ! LA 0.91 MK 0.74 NL 1.15 PT 0.93 ! ! ! Fit before self-cal, rms=0.050735Jy sigma=1.144139 ! Fit after self-cal, rms=0.048323Jy sigma=1.137876 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.269 mas, bmaj=2.627 mas, bpa=-9.275 degrees ! Estimated noise=0.244413 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.6, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00147509 Jy ! Component: 100 - total flux cleaned = 0.00161425 Jy ! Component: 150 - total flux cleaned = 0.0016879 Jy ! Component: 200 - total flux cleaned = 0.00174948 Jy ! Total flux subtracted in 200 components = 0.00174948 Jy ! Clean residual min=-0.000953 max=0.001283 Jy/beam ! Clean residual mean=-0.000006 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.036014 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 43 components and 0.036014 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=0.048268Jy sigma=1.136588 ! Fit after self-cal, rms=0.048264Jy sigma=1.134026 ! 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=0.048264Jy sigma=1.134026 ! Fit after self-cal, rms=0.048659Jy sigma=1.131541 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.27 mas, bmaj=2.606 mas, bpa=-9.476 degrees ! Estimated noise=0.243262 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000853031 Jy ! Component: 100 - total flux cleaned = 0.000804349 Jy ! Component: 150 - total flux cleaned = 0.000862465 Jy ! Component: 200 - total flux cleaned = 0.000914594 Jy ! Total flux subtracted in 200 components = 0.000914594 Jy ! Clean residual min=-0.001020 max=0.001263 Jy/beam ! Clean residual mean=-0.000004 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.0369286 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 0.0369286 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=0.048626Jy sigma=1.130798 ! Fit after self-cal, rms=0.048697Jy sigma=1.129630 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 (-5.4, -44.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120412 Jy ! Component: 100 - total flux cleaned = 0.00131552 Jy ! Component: 150 - total flux cleaned = 0.00135926 Jy ! Component: 200 - total flux cleaned = 0.00141525 Jy ! Total flux subtracted in 200 components = 0.00141525 Jy ! Clean residual min=-0.000982 max=0.001017 Jy/beam ! Clean residual mean=-0.000004 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.0383438 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 75 components and 0.0383438 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=0.048660Jy sigma=1.128797 ! Fit after self-cal, rms=0.048633Jy sigma=1.128258 ! Inverting map ! Added new window around map position (12.4, 42). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000833647 Jy ! Component: 100 - total flux cleaned = 0.00103272 Jy ! Component: 150 - total flux cleaned = 0.00116756 Jy ! Component: 200 - total flux cleaned = 0.00124532 Jy ! Total flux subtracted in 200 components = 0.00124532 Jy ! Clean residual min=-0.001002 max=0.000968 Jy/beam ! Clean residual mean=-0.000003 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0395891 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 94 components and 0.0395891 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=0.048601Jy sigma=1.127491 ! Fit after self-cal, rms=0.048592Jy sigma=1.127293 ! 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=0.048592Jy sigma=1.127293 ! Fit after self-cal, rms=0.048694Jy sigma=1.127000 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.267 mas, bmaj=2.602 mas, bpa=-9.44 degrees ! Estimated noise=0.24205 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000672758 Jy ! Component: 100 - total flux cleaned = 0.000784583 Jy ! Component: 150 - total flux cleaned = 0.000841912 Jy ! Component: 200 - total flux cleaned = 0.000858723 Jy ! Total flux subtracted in 200 components = 0.000858723 Jy ! Clean residual min=-0.000947 max=0.000903 Jy/beam ! Clean residual mean=-0.000002 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.0404478 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 108 components and 0.0404478 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=0.048676Jy sigma=1.126563 ! Fit after self-cal, rms=0.048705Jy sigma=1.126404 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 = 0.00032377 Jy ! Component: 100 - total flux cleaned = 0.000324396 Jy ! Component: 150 - total flux cleaned = 0.000274294 Jy ! Component: 200 - total flux cleaned = 0.000243546 Jy ! Total flux subtracted in 200 components = 0.000243546 Jy ! Clean residual min=-0.000966 max=0.000876 Jy/beam ! Clean residual mean=-0.000002 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.0406914 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 113 components and 0.0406914 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=0.048692Jy sigma=1.126107 ! Fit after self-cal, rms=0.048685Jy sigma=1.126035 ! 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=0.048685Jy sigma=1.126035 ! Fit after self-cal, rms=0.048788Jy sigma=1.125970 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.05 mas, bmaj=2.797 mas, bpa=-16.1 degrees ! Estimated noise=0.275414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000383363 Jy ! Component: 100 - total flux cleaned = 0.000349851 Jy ! Component: 150 - total flux cleaned = 0.000334334 Jy ! Component: 200 - total flux cleaned = 0.000333911 Jy ! Total flux subtracted in 200 components = 0.000333911 Jy ! Clean residual min=-0.000836 max=0.000836 Jy/beam ! Clean residual mean=-0.000004 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0410253 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 130 components and 0.0410253 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=0.048780Jy sigma=1.125778 ! Fit after self-cal, rms=0.048767Jy sigma=1.125288 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 = 0.000290253 Jy ! Component: 100 - total flux cleaned = 0.00026313 Jy ! Component: 150 - total flux cleaned = 0.000225052 Jy ! Component: 200 - total flux cleaned = 0.000201188 Jy ! Total flux subtracted in 200 components = 0.000201188 Jy ! Clean residual min=-0.000817 max=0.000811 Jy/beam ! Clean residual mean=-0.000003 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0412265 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 140 components and 0.0412265 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=0.048761Jy sigma=1.125142 ! Fit after self-cal, rms=0.048751Jy sigma=1.125108 ! 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=1.265 mas, bmaj=2.602 mas, bpa=-9.396 degrees ! Estimated noise=0.241911 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.265 x 2.602 at -9.396 degrees (North through East) ! Clean map min=-0.0015738 max=0.033188 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=1.028 mas, bmaj=2.46 mas, bpa=-9.321 degrees ! Estimated noise=0.490185 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0257314 Jy ! Component: 100 - total flux cleaned = 0.0320657 Jy ! Component: 150 - total flux cleaned = 0.034879 Jy ! Component: 200 - total flux cleaned = 0.0362469 Jy ! Total flux subtracted in 200 components = 0.0362469 Jy ! Clean residual min=-0.002054 max=0.002186 Jy/beam ! Clean residual mean=-0.000003 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.0362469 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0362469 Jy ! Inverting map and beam ! Estimated beam: bmin=1.265 mas, bmaj=2.602 mas, bpa=-9.396 degrees ! Estimated noise=0.241911 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) ! Added new window around map position (6.8, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00222871 Jy ! Component: 100 - total flux cleaned = 0.00343056 Jy ! Component: 150 - total flux cleaned = 0.00378653 Jy ! Component: 200 - total flux cleaned = 0.00395573 Jy ! Total flux subtracted in 200 components = 0.00395573 Jy ! Clean residual min=-0.001221 max=0.001103 Jy/beam ! Clean residual mean=-0.000004 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0402027 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 50 components and 0.0402027 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=2.05 mas, bmaj=2.797 mas, bpa=-16.1 degrees ! Estimated noise=0.275414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00062754 Jy ! Component: 100 - total flux cleaned = 0.000782226 Jy ! Component: 150 - total flux cleaned = 0.000754791 Jy ! Component: 200 - total flux cleaned = 0.000731188 Jy ! Total flux subtracted in 200 components = 0.000731188 Jy ! Clean residual min=-0.000965 max=0.000944 Jy/beam ! Clean residual mean=-0.000005 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.0409338 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 = 3.58529e-07 Jy ! Component: 100 - total flux cleaned = 2.02129e-05 Jy ! Component: 150 - total flux cleaned = 1.96717e-05 Jy ! Component: 200 - total flux cleaned = 3.66611e-05 Jy ! Total flux subtracted in 200 components = 3.66611e-05 Jy ! Clean residual min=-0.000880 max=0.000848 Jy/beam ! Clean residual mean=-0.000004 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.0409705 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 101 components and 0.0409705 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.265 mas, bmaj=2.602 mas, bpa=-9.396 degrees ! Estimated noise=0.241911 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00011652 Jy ! Component: 100 - total flux cleaned = -0.00025518 Jy ! Component: 150 - total flux cleaned = -0.000359513 Jy ! Component: 200 - total flux cleaned = -0.000378445 Jy ! Total flux subtracted in 200 components = -0.000378445 Jy ! Clean residual min=-0.000940 max=0.000847 Jy/beam ! Clean residual mean=-0.000002 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0405921 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 118 components and 0.0405921 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=0.048758Jy sigma=1.125357 ! Fit after self-cal, rms=0.048761Jy sigma=1.125231 wmodel J2307+1901_X_b_map.mod ! Writing 118 model components to file: J2307+1901_X_b_map.mod wobs J2307+1901_X_b_uvs.fits ! Writing UV FITS file: J2307+1901_X_b_uvs.fits wwins J2307+1901_X_b_map.win ! wwins: Wrote 5 windows to J2307+1901_X_b_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 = -0.000137081 Jy ! Component: 100 - total flux cleaned = -0.000150755 Jy ! Component: 150 - total flux cleaned = -0.000164269 Jy ! Component: 200 - total flux cleaned = -0.000215023 Jy ! Component: 250 - total flux cleaned = -0.000251444 Jy ! Component: 300 - total flux cleaned = -0.000322124 Jy ! Component: 350 - total flux cleaned = -0.000390303 Jy ! Component: 400 - total flux cleaned = -0.000434164 Jy ! Component: 450 - total flux cleaned = -0.000498363 Jy ! Component: 500 - total flux cleaned = -0.000570689 Jy ! Component: 550 - total flux cleaned = -0.000590764 Jy ! Component: 600 - total flux cleaned = -0.000600855 Jy ! Component: 650 - total flux cleaned = -0.000610543 Jy ! Component: 700 - total flux cleaned = -0.000619832 Jy ! Component: 750 - total flux cleaned = -0.000628791 Jy ! Component: 800 - total flux cleaned = -0.0006198 Jy ! Component: 850 - total flux cleaned = -0.000619858 Jy ! Component: 900 - total flux cleaned = -0.000594284 Jy ! Component: 950 - total flux cleaned = -0.000594396 Jy ! Component: 1000 - total flux cleaned = -0.00061088 Jy ! Component: 1050 - total flux cleaned = -0.000610689 Jy ! Component: 1100 - total flux cleaned = -0.000618605 Jy ! Component: 1150 - total flux cleaned = -0.000618685 Jy ! Component: 1200 - total flux cleaned = -0.000633968 Jy ! Component: 1250 - total flux cleaned = -0.000649028 Jy ! Component: 1300 - total flux cleaned = -0.000649025 Jy ! Component: 1350 - total flux cleaned = -0.000678338 Jy ! Component: 1400 - total flux cleaned = -0.000743251 Jy ! Component: 1450 - total flux cleaned = -0.000757377 Jy ! Component: 1500 - total flux cleaned = -0.000799515 Jy ! Component: 1550 - total flux cleaned = -0.000806354 Jy ! Component: 1600 - total flux cleaned = -0.000833828 Jy ! Component: 1650 - total flux cleaned = -0.000881038 Jy ! Component: 1700 - total flux cleaned = -0.00092089 Jy ! Component: 1750 - total flux cleaned = -0.000960235 Jy ! Component: 1800 - total flux cleaned = -0.000979549 Jy ! Component: 1850 - total flux cleaned = -0.000985946 Jy ! Component: 1900 - total flux cleaned = -0.00101119 Jy ! Component: 1950 - total flux cleaned = -0.00103611 Jy ! Component: 2000 - total flux cleaned = -0.00104229 Jy ! Component: 2050 - total flux cleaned = -0.00105445 Jy ! Component: 2100 - total flux cleaned = -0.00106649 Jy ! Component: 2150 - total flux cleaned = -0.00108443 Jy ! Component: 2200 - total flux cleaned = -0.00109037 Jy ! Component: 2250 - total flux cleaned = -0.00109618 Jy ! Component: 2300 - total flux cleaned = -0.0010962 Jy ! Component: 2350 - total flux cleaned = -0.00110768 Jy ! Component: 2400 - total flux cleaned = -0.0010964 Jy ! Component: 2450 - total flux cleaned = -0.00111314 Jy ! Component: 2500 - total flux cleaned = -0.00110757 Jy ! Component: 2550 - total flux cleaned = -0.0010966 Jy ! Component: 2600 - total flux cleaned = -0.00110746 Jy ! Component: 2650 - total flux cleaned = -0.00110211 Jy ! Component: 2700 - total flux cleaned = -0.00110216 Jy ! Component: 2750 - total flux cleaned = -0.00110741 Jy ! Component: 2800 - total flux cleaned = -0.00109163 Jy ! Component: 2850 - total flux cleaned = -0.00108643 Jy ! Component: 2900 - total flux cleaned = -0.00108124 Jy ! Component: 2950 - total flux cleaned = -0.00108635 Jy ! Component: 3000 - total flux cleaned = -0.00107117 Jy ! Component: 3050 - total flux cleaned = -0.00106613 Jy ! Component: 3100 - total flux cleaned = -0.00105624 Jy ! Component: 3150 - total flux cleaned = -0.00105134 Jy ! Component: 3200 - total flux cleaned = -0.00106112 Jy ! Component: 3250 - total flux cleaned = -0.0010611 Jy ! Component: 3300 - total flux cleaned = -0.00103706 Jy ! Component: 3350 - total flux cleaned = -0.00102756 Jy ! Component: 3400 - total flux cleaned = -0.00102285 Jy ! Component: 3450 - total flux cleaned = -0.00101344 Jy ! Component: 3500 - total flux cleaned = -0.00101342 Jy ! Component: 3550 - total flux cleaned = -0.0010041 Jy ! Component: 3600 - total flux cleaned = -0.000999501 Jy ! Component: 3650 - total flux cleaned = -0.0010132 Jy ! Component: 3700 - total flux cleaned = -0.00101317 Jy ! Component: 3750 - total flux cleaned = -0.00101763 Jy ! Component: 3800 - total flux cleaned = -0.000995269 Jy ! Component: 3850 - total flux cleaned = -0.00100419 Jy ! Component: 3900 - total flux cleaned = -0.000982161 Jy ! Component: 3950 - total flux cleaned = -0.000986573 Jy ! Component: 4000 - total flux cleaned = -0.000982232 Jy ! Component: 4050 - total flux cleaned = -0.000973525 Jy ! Total flux subtracted in 4096 components = -0.000969225 Jy ! Clean residual min=-0.000288 max=0.000257 Jy/beam ! Clean residual mean=0.000000 rms=0.000077 Jy/beam ! Combined flux in latest and established models = 0.0396228 Jy keep ! Adding 288 model components to the UV plane model. ! The established model now contains 406 components and 0.0396229 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2307+1901_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.265 x 2.602 at -9.396 degrees (North through East) ! Clean map min=-0.0012758 max=0.032519 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2307+1901_X_b_map.fits wmodel /vlbi/uf001/uva//J2307+1901_X_b_map.mod ! Writing 406 model components to file: /vlbi/uf001/uva//J2307+1901_X_b_map.mod wobs /vlbi/uf001/uva//J2307+1901_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2307+1901_X_b_uvs.fits wwins /vlbi/uf001/uva//J2307+1901_X_b_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J2307+1901_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0325191 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.62988e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.703884 0.703884 1.40777 2.81553 5.63107 11.2621 22.5243 45.0486 90.0971 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.032 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 426.206 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2307+1901_X_b_dfm.log closed on Mon Jan 14 06:34:27 2019