! Started logfile: /vlbi/uf001/uva//J1930-2053_X_a_dfm.log on Mon Jan 14 05:06:48 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1930-2053_X_a_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1930-2053_X_a_uva.fits ! AN table 1: 72 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1930-2053 ! ! 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 18144 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 J1930-2053_X_a] 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. ! ! 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=1.005806Jy sigma=18.010921 ! Fit after self-cal, rms=0.943106Jy sigma=16.912590 ! 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=0.5314 mas, bmaj=1.463 mas, bpa=-8.351 degrees ! Estimated noise=0.726586 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 = 0.0439967 Jy ! Component: 100 - total flux cleaned = 0.0537862 Jy ! Total flux subtracted in 100 components = 0.0537862 Jy ! Clean residual min=-0.006379 max=0.006990 Jy/beam ! Clean residual mean=-0.000007 rms=0.001287 Jy/beam ! Combined flux in latest and established models = 0.0537862 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0537862 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=0.081378Jy sigma=1.291986 ! Fit after self-cal, rms=0.080385Jy sigma=1.274518 ! 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=0.6624 mas, bmaj=1.66 mas, bpa=-6.11 degrees ! Estimated noise=0.299897 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 = 0.00732092 Jy ! Component: 100 - total flux cleaned = 0.0104576 Jy ! Component: 150 - total flux cleaned = 0.0120178 Jy ! Component: 200 - total flux cleaned = 0.0128109 Jy ! Total flux subtracted in 200 components = 0.0128109 Jy ! Clean residual min=-0.005994 max=0.006577 Jy/beam ! Clean residual mean=-0.000018 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.0665971 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0665971 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=0.079740Jy sigma=1.263674 ! Fit after self-cal, rms=0.079620Jy sigma=1.262199 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6624 x 1.66 at -6.11 degrees (North through East) ! Clean map min=-0.0058133 max=0.060596 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.00 LA 0.79 MK 0.98 ! NL 1.34 PT 1.10 SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.09 LA 0.79 MK 1.07 ! NL 1.29 PT 0.93 SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 HN 1.03 LA 0.80 MK 1.05 ! NL 1.37 PT 1.03 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 1.09 LA 0.76 MK 1.00 ! NL 1.32 PT 1.08 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 HN 1.02 LA 0.76 MK 1.04 ! NL 1.33 PT 1.05 SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.09 LA 0.74 MK 0.96 ! NL 1.29 PT 1.10 SC 1.07 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 HN 0.94 LA 0.79 MK 0.93 ! NL 1.23 PT 1.00 SC 1.11 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 HN 0.99 LA 0.77 MK 0.99 ! NL 1.30 PT 1.11 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 HN 0.99 LA 0.73 MK 1.04 ! NL 1.32 PT 1.15 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 HN 1.02 LA 0.71 MK 0.95 ! NL 1.29 PT 1.05 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 HN 0.85 LA 0.75 MK 0.95 ! NL 1.31 PT 1.06 SC 1.06 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 1.01 LA 0.74 MK 0.98 ! NL 1.28 PT 0.97 SC 0.96 ! ! ! Fit before self-cal, rms=0.079620Jy sigma=1.262199 ! Fit after self-cal, rms=0.075094Jy sigma=1.240027 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6665 mas, bmaj=1.668 mas, bpa=-5.944 degrees ! Estimated noise=0.296724 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 = 0.000259236 Jy ! Component: 100 - total flux cleaned = 9.90418e-05 Jy ! Component: 150 - total flux cleaned = -1.17579e-05 Jy ! Component: 200 - total flux cleaned = -8.81606e-05 Jy ! Total flux subtracted in 200 components = -8.81606e-05 Jy ! Clean residual min=-0.003258 max=0.003473 Jy/beam ! Clean residual mean=-0.000006 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.0665089 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 19 components and 0.0665089 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=0.075077Jy sigma=1.239712 ! Fit after self-cal, rms=0.075658Jy sigma=1.234739 ! 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=0.075658Jy sigma=1.234739 ! Fit after self-cal, rms=0.077716Jy sigma=1.226055 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6713 mas, bmaj=1.673 mas, bpa=-6.148 degrees ! Estimated noise=0.298969 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.64231e-05 Jy ! Component: 100 - total flux cleaned = -8.94695e-05 Jy ! Component: 150 - total flux cleaned = -0.000146684 Jy ! Component: 200 - total flux cleaned = -0.000180963 Jy ! Total flux subtracted in 200 components = -0.000180963 Jy ! Clean residual min=-0.002525 max=0.002987 Jy/beam ! Clean residual mean=-0.000002 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.0663279 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 25 components and 0.0663279 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=0.077706Jy sigma=1.225878 ! Fit after self-cal, rms=0.078111Jy sigma=1.224589 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 (2.8, -32). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00305332 Jy ! Component: 100 - total flux cleaned = 0.00437787 Jy ! Component: 150 - total flux cleaned = 0.00507436 Jy ! Component: 200 - total flux cleaned = 0.00560551 Jy ! Total flux subtracted in 200 components = 0.00560551 Jy ! Clean residual min=-0.002470 max=0.001907 Jy/beam ! Clean residual mean=-0.000004 rms=0.000498 Jy/beam ! Combined flux in latest and established models = 0.0719334 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 51 components and 0.0719334 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=0.077979Jy sigma=1.222060 ! Fit after self-cal, rms=0.077999Jy sigma=1.221281 ! 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=0.077999Jy sigma=1.221281 ! Fit after self-cal, rms=0.079234Jy sigma=1.220254 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6739 mas, bmaj=1.679 mas, bpa=-6.367 degrees ! Estimated noise=0.296169 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159212 Jy ! Component: 100 - total flux cleaned = 0.00215207 Jy ! Component: 150 - total flux cleaned = 0.00250441 Jy ! Component: 200 - total flux cleaned = 0.00284484 Jy ! Total flux subtracted in 200 components = 0.00284484 Jy ! Clean residual min=-0.001702 max=0.001614 Jy/beam ! Clean residual mean=-0.000001 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.0747783 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 0.0747783 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=0.079193Jy sigma=1.219446 ! Fit after self-cal, rms=0.079412Jy sigma=1.219066 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 = 0.000900458 Jy ! Component: 100 - total flux cleaned = 0.00124907 Jy ! Component: 150 - total flux cleaned = 0.00143456 Jy ! Component: 200 - total flux cleaned = 0.00161513 Jy ! Total flux subtracted in 200 components = 0.00161513 Jy ! Clean residual min=-0.001747 max=0.001622 Jy/beam ! Clean residual mean=-0.000001 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.0763934 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 64 components and 0.0763934 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=0.079397Jy sigma=1.218777 ! Fit after self-cal, rms=0.079417Jy sigma=1.218719 ! 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=0.079417Jy sigma=1.218719 ! Fit after self-cal, rms=0.080490Jy sigma=1.218551 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.862 mas, bmaj=3.996 mas, bpa=5.563 degrees ! Estimated noise=0.42363 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000817688 Jy ! Component: 100 - total flux cleaned = 0.000846879 Jy ! Component: 150 - total flux cleaned = 0.00088367 Jy ! Component: 200 - total flux cleaned = 0.000931729 Jy ! Total flux subtracted in 200 components = 0.000931729 Jy ! Clean residual min=-0.002406 max=0.001940 Jy/beam ! Clean residual mean=-0.000002 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.0773251 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 72 components and 0.0773251 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=0.080486Jy sigma=1.218507 ! Fit after self-cal, rms=0.080584Jy sigma=1.218383 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 = 0.000501895 Jy ! Component: 100 - total flux cleaned = 0.000518032 Jy ! Component: 150 - total flux cleaned = 0.000550504 Jy ! Component: 200 - total flux cleaned = 0.000594058 Jy ! Total flux subtracted in 200 components = 0.000594058 Jy ! Clean residual min=-0.002360 max=0.002038 Jy/beam ! Clean residual mean=-0.000002 rms=0.000611 Jy/beam ! Combined flux in latest and established models = 0.0779192 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 74 components and 0.0779192 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=0.080588Jy sigma=1.218485 ! Fit after self-cal, rms=0.080597Jy sigma=1.218429 ! 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=0.6752 mas, bmaj=1.683 mas, bpa=-6.505 degrees ! Estimated noise=0.29619 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6752 x 1.683 at -6.505 degrees (North through East) ! Clean map min=-0.0017945 max=0.059757 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=0.5364 mas, bmaj=1.467 mas, bpa=-8.793 degrees ! Estimated noise=0.740575 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0454029 Jy ! Component: 100 - total flux cleaned = 0.0561894 Jy ! Component: 150 - total flux cleaned = 0.0612491 Jy ! Component: 200 - total flux cleaned = 0.06464 Jy ! Total flux subtracted in 200 components = 0.06464 Jy ! Clean residual min=-0.003656 max=0.003550 Jy/beam ! Clean residual mean=-0.000001 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.06464 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.06464 Jy ! Inverting map and beam ! Estimated beam: bmin=0.6752 mas, bmaj=1.683 mas, bpa=-6.505 degrees ! Estimated noise=0.29619 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 = 0.00384309 Jy ! Component: 100 - total flux cleaned = 0.00595474 Jy ! Component: 150 - total flux cleaned = 0.00732873 Jy ! Component: 200 - total flux cleaned = 0.00837573 Jy ! Total flux subtracted in 200 components = 0.00837573 Jy ! Clean residual min=-0.002245 max=0.001811 Jy/beam ! Clean residual mean=-0.000002 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.0730157 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 29 components and 0.0730157 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=1.862 mas, bmaj=3.996 mas, bpa=5.563 degrees ! Estimated noise=0.42363 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0021003 Jy ! Component: 100 - total flux cleaned = 0.00340805 Jy ! Component: 150 - total flux cleaned = 0.00397962 Jy ! Component: 200 - total flux cleaned = 0.00436923 Jy ! Total flux subtracted in 200 components = 0.00436923 Jy ! Clean residual min=-0.002684 max=0.002251 Jy/beam ! Clean residual mean=-0.000003 rms=0.000665 Jy/beam ! Combined flux in latest and established models = 0.077385 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 = 0.000318236 Jy ! Component: 100 - total flux cleaned = 0.000560872 Jy ! Component: 150 - total flux cleaned = 0.000747119 Jy ! Component: 200 - total flux cleaned = 0.00081373 Jy ! Total flux subtracted in 200 components = 0.00081373 Jy ! Clean residual min=-0.002411 max=0.002137 Jy/beam ! Clean residual mean=-0.000002 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.0781987 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 48 components and 0.0781987 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.6752 mas, bmaj=1.683 mas, bpa=-6.505 degrees ! Estimated noise=0.29619 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.87979e-05 Jy ! Component: 100 - total flux cleaned = 0.000287355 Jy ! Component: 150 - total flux cleaned = 0.000397011 Jy ! Component: 200 - total flux cleaned = 0.000444852 Jy ! Total flux subtracted in 200 components = 0.000444852 Jy ! Clean residual min=-0.001748 max=0.001648 Jy/beam ! Clean residual mean=-0.000001 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.0786435 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 56 components and 0.0786435 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=0.080614Jy sigma=1.218646 ! Fit after self-cal, rms=0.080633Jy sigma=1.218524 wmodel J1930-2053_X_a_map.mod ! Writing 56 model components to file: J1930-2053_X_a_map.mod wobs J1930-2053_X_a_uvs.fits ! Writing UV FITS file: J1930-2053_X_a_uvs.fits wwins J1930-2053_X_a_map.win ! wwins: Wrote 2 windows to J1930-2053_X_a_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 = -0.00041857 Jy ! Component: 100 - total flux cleaned = -0.000649709 Jy ! Component: 150 - total flux cleaned = -0.000757308 Jy ! Component: 200 - total flux cleaned = -0.000759031 Jy ! Component: 250 - total flux cleaned = -0.000833094 Jy ! Component: 300 - total flux cleaned = -0.000809675 Jy ! Component: 350 - total flux cleaned = -0.000742556 Jy ! Component: 400 - total flux cleaned = -0.000786129 Jy ! Component: 450 - total flux cleaned = -0.000721858 Jy ! Component: 500 - total flux cleaned = -0.000701179 Jy ! Component: 550 - total flux cleaned = -0.000641779 Jy ! Component: 600 - total flux cleaned = -0.000622548 Jy ! Component: 650 - total flux cleaned = -0.000584503 Jy ! Component: 700 - total flux cleaned = -0.000528283 Jy ! Component: 750 - total flux cleaned = -0.000473271 Jy ! Component: 800 - total flux cleaned = -0.000437602 Jy ! Component: 850 - total flux cleaned = -0.000367331 Jy ! Component: 900 - total flux cleaned = -0.000298319 Jy ! Component: 950 - total flux cleaned = -0.000298087 Jy ! Component: 1000 - total flux cleaned = -0.000281376 Jy ! Component: 1050 - total flux cleaned = -0.000216268 Jy ! Component: 1100 - total flux cleaned = -0.000232674 Jy ! Component: 1150 - total flux cleaned = -0.000280091 Jy ! Component: 1200 - total flux cleaned = -0.00024861 Jy ! Component: 1250 - total flux cleaned = -0.000233268 Jy ! Component: 1300 - total flux cleaned = -0.000248227 Jy ! Component: 1350 - total flux cleaned = -0.000233294 Jy ! Component: 1400 - total flux cleaned = -0.000175095 Jy ! Component: 1450 - total flux cleaned = -0.000118103 Jy ! Component: 1500 - total flux cleaned = -0.000132311 Jy ! Component: 1550 - total flux cleaned = -0.00011832 Jy ! Component: 1600 - total flux cleaned = -0.000131939 Jy ! Component: 1650 - total flux cleaned = -7.76341e-05 Jy ! Component: 1700 - total flux cleaned = -9.09163e-05 Jy ! Component: 1750 - total flux cleaned = -7.72262e-05 Jy ! Component: 1800 - total flux cleaned = -5.10426e-05 Jy ! Component: 1850 - total flux cleaned = -5.11947e-05 Jy ! Component: 1900 - total flux cleaned = -3.85028e-05 Jy ! Component: 1950 - total flux cleaned = -7.14841e-07 Jy ! Component: 2000 - total flux cleaned = -3.82806e-05 Jy ! Component: 2050 - total flux cleaned = -1.10723e-06 Jy ! Component: 2100 - total flux cleaned = -1.28142e-06 Jy ! Component: 2150 - total flux cleaned = 1.0879e-05 Jy ! Component: 2200 - total flux cleaned = 1.0903e-05 Jy ! Component: 2250 - total flux cleaned = 4.64574e-05 Jy ! Component: 2300 - total flux cleaned = 3.46045e-05 Jy ! Component: 2350 - total flux cleaned = 3.4631e-05 Jy ! Component: 2400 - total flux cleaned = 5.77173e-05 Jy ! Component: 2450 - total flux cleaned = 8.03691e-05 Jy ! Component: 2500 - total flux cleaned = 2.39277e-05 Jy ! Component: 2550 - total flux cleaned = 2.38401e-05 Jy ! Component: 2600 - total flux cleaned = 2.39208e-05 Jy ! Component: 2650 - total flux cleaned = 1.28076e-05 Jy ! Component: 2700 - total flux cleaned = 1.28661e-05 Jy ! Component: 2750 - total flux cleaned = -8.77413e-06 Jy ! Component: 2800 - total flux cleaned = -8.73907e-06 Jy ! Component: 2850 - total flux cleaned = -8.65579e-06 Jy ! Component: 2900 - total flux cleaned = -8.54034e-06 Jy ! Component: 2950 - total flux cleaned = -1.88965e-05 Jy ! Component: 3000 - total flux cleaned = -3.95459e-05 Jy ! Component: 3050 - total flux cleaned = -1.89823e-05 Jy ! Component: 3100 - total flux cleaned = -2.91806e-05 Jy ! Component: 3150 - total flux cleaned = -7.95526e-05 Jy ! Component: 3200 - total flux cleaned = -8.94079e-05 Jy ! Component: 3250 - total flux cleaned = -4.97629e-05 Jy ! Component: 3300 - total flux cleaned = -8.91545e-05 Jy ! Component: 3350 - total flux cleaned = -0.000108703 Jy ! Component: 3400 - total flux cleaned = -8.93222e-05 Jy ! Component: 3450 - total flux cleaned = -8.92419e-05 Jy ! Component: 3500 - total flux cleaned = -6.06028e-05 Jy ! Component: 3550 - total flux cleaned = -9.85552e-05 Jy ! Component: 3600 - total flux cleaned = -9.8453e-05 Jy ! Component: 3650 - total flux cleaned = -7.04799e-05 Jy ! Component: 3700 - total flux cleaned = -7.97196e-05 Jy ! Component: 3750 - total flux cleaned = -6.1204e-05 Jy ! Component: 3800 - total flux cleaned = -4.29059e-05 Jy ! Component: 3850 - total flux cleaned = -5.20525e-05 Jy ! Component: 3900 - total flux cleaned = -3.398e-05 Jy ! Component: 3950 - total flux cleaned = -6.1007e-05 Jy ! Component: 4000 - total flux cleaned = -6.09719e-05 Jy ! Component: 4050 - total flux cleaned = -4.30918e-05 Jy ! Total flux subtracted in 4096 components = -2.54062e-05 Jy ! Clean residual min=-0.000553 max=0.000706 Jy/beam ! Clean residual mean=-0.000000 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.0786181 Jy keep ! Adding 289 model components to the UV plane model. ! The established model now contains 345 components and 0.0786181 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1930-2053_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6752 x 1.683 at -6.505 degrees (North through East) ! Clean map min=-0.0015471 max=0.05968 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1930-2053_X_a_map.fits wmodel /vlbi/uf001/uva//J1930-2053_X_a_map.mod ! Writing 345 model components to file: /vlbi/uf001/uva//J1930-2053_X_a_map.mod wobs /vlbi/uf001/uva//J1930-2053_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1930-2053_X_a_uvs.fits wwins /vlbi/uf001/uva//J1930-2053_X_a_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1930-2053_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0596804 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000142157 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.714593 0.714593 1.42919 2.85837 5.71675 11.4335 22.867 45.734 91.4679 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.059 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 419.819 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1930-2053_X_a_dfm.log closed on Mon Jan 14 05:06:53 2019