! Started logfile: /vlbi/uf001/uva//J1937-0627_X_dfm.log on Mon Jan 14 05:10:20 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//J1937-0627_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1937-0627_X_uva.fits ! AN table 1: 57 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.993317 visibilities/baseline/integration-bin. ! Found source: J1937-0627 ! ! 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 14268 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 J1937-0627_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. ! ! 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=1.001639Jy sigma=25.543970 ! Fit after self-cal, rms=0.933087Jy sigma=23.776005 ! 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=1.297 mas, bmaj=6.616 mas, bpa=-12.02 degrees ! Estimated noise=0.376193 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 = 0.0536214 Jy ! Component: 100 - total flux cleaned = 0.0653442 Jy ! Total flux subtracted in 100 components = 0.0653442 Jy ! Clean residual min=-0.003399 max=0.004652 Jy/beam ! Clean residual mean=0.000001 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 0.0653442 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0653442 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=0.054419Jy sigma=1.313743 ! Fit after self-cal, rms=0.053877Jy sigma=1.300964 ! 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=1.564 mas, bmaj=6.522 mas, bpa=-11.9 degrees ! Estimated noise=0.237806 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 = 0.00482157 Jy ! Component: 100 - total flux cleaned = 0.00779406 Jy ! Component: 150 - total flux cleaned = 0.0096984 Jy ! Component: 200 - total flux cleaned = 0.0109066 Jy ! Total flux subtracted in 200 components = 0.0109066 Jy ! Clean residual min=-0.002566 max=0.003278 Jy/beam ! Clean residual mean=0.000002 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.0762508 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 41 components and 0.0762508 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=0.053452Jy sigma=1.287385 ! Fit after self-cal, rms=0.053447Jy sigma=1.287009 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.564 x 6.522 at -11.9 degrees (North through East) ! Clean map min=-0.0025539 max=0.068369 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.08 HN 0.96 KP 1.00 LA 1.03 ! NL 1.01 OV 0.94 PT 0.89 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 HN 0.97 KP 0.98 LA 0.98 ! NL 1.02 OV 0.94 PT 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 HN 1.00 KP 0.97 LA 0.99 ! NL 1.04 OV 0.95 PT 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.17 HN 1.05 KP 1.03 LA 1.06 ! NL 1.02 OV 0.91 PT 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.06 HN 0.99 KP 1.06 LA 0.93 ! NL 1.12 OV 0.90 PT 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.11 HN 1.05 KP 1.03 LA 0.97 ! NL 1.08 OV 0.93 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 HN 1.05 KP 1.03 LA 1.07 ! NL 0.99 OV 0.88 PT 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.05 KP 1.04 LA 0.99 ! NL 1.02 OV 0.88 PT 0.91 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 0.95 KP 1.07 LA 1.05 ! NL 1.11 OV 0.90 PT 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 HN 0.96 KP 0.98 LA 0.98 ! NL 1.14 OV 0.88 PT 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 HN 0.97 KP 1.00 LA 0.99 ! NL 1.03 OV 0.95 PT 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 0.99 KP 1.06 LA 1.01 ! NL 1.08 OV 0.94 PT 0.93 ! ! ! Fit before self-cal, rms=0.053447Jy sigma=1.287009 ! Fit after self-cal, rms=0.053624Jy sigma=1.276947 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.553 mas, bmaj=6.599 mas, bpa=-11.44 degrees ! Estimated noise=0.237561 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 = 9.94028e-05 Jy ! Component: 100 - total flux cleaned = -0.000118865 Jy ! Component: 150 - total flux cleaned = -0.0003219 Jy ! Component: 200 - total flux cleaned = -0.000514952 Jy ! Total flux subtracted in 200 components = -0.000514952 Jy ! Clean residual min=-0.002659 max=0.002914 Jy/beam ! Clean residual mean=0.000001 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.0757358 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 58 components and 0.0757358 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=0.053585Jy sigma=1.275859 ! Fit after self-cal, rms=0.053652Jy sigma=1.275387 ! 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=0.053652Jy sigma=1.275387 ! Fit after self-cal, rms=0.055916Jy sigma=1.253535 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.546 mas, bmaj=6.695 mas, bpa=-11.51 degrees ! Estimated noise=0.23934 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000923536 Jy ! Component: 100 - total flux cleaned = -0.00138145 Jy ! Component: 150 - total flux cleaned = -0.00156026 Jy ! Component: 200 - total flux cleaned = -0.00166152 Jy ! Total flux subtracted in 200 components = -0.00166152 Jy ! Clean residual min=-0.001266 max=0.001372 Jy/beam ! Clean residual mean=0.000000 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.0740743 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 81 components and 0.0740743 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=0.055895Jy sigma=1.253036 ! Fit after self-cal, rms=0.056042Jy sigma=1.252259 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 = -0.000123299 Jy ! Component: 100 - total flux cleaned = -0.000156793 Jy ! Component: 150 - total flux cleaned = -0.000176536 Jy ! Component: 200 - total flux cleaned = -0.00019448 Jy ! Total flux subtracted in 200 components = -0.00019448 Jy ! Clean residual min=-0.001277 max=0.001345 Jy/beam ! Clean residual mean=0.000000 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.0738798 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 94 components and 0.0738798 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=0.056037Jy sigma=1.252165 ! Fit after self-cal, rms=0.056038Jy sigma=1.252164 ! 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=0.056038Jy sigma=1.252164 ! Fit after self-cal, rms=0.057196Jy sigma=1.251068 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.544 mas, bmaj=6.715 mas, bpa=-11.5 degrees ! Estimated noise=0.238595 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000471177 Jy ! Component: 100 - total flux cleaned = -0.000717924 Jy ! Component: 150 - total flux cleaned = -0.000835013 Jy ! Component: 200 - total flux cleaned = -0.000861687 Jy ! Total flux subtracted in 200 components = -0.000861687 Jy ! Clean residual min=-0.001140 max=0.001202 Jy/beam ! Clean residual mean=0.000000 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.0730181 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 108 components and 0.0730181 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=0.057188Jy sigma=1.250963 ! Fit after self-cal, rms=0.057227Jy sigma=1.250918 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.64901e-06 Jy ! Component: 100 - total flux cleaned = -7.07156e-06 Jy ! Component: 150 - total flux cleaned = -6.86737e-06 Jy ! Component: 200 - total flux cleaned = 8.20168e-06 Jy ! Total flux subtracted in 200 components = 8.20168e-06 Jy ! Clean residual min=-0.001141 max=0.001208 Jy/beam ! Clean residual mean=0.000000 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.0730263 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 114 components and 0.0730263 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=0.057225Jy sigma=1.250873 ! Fit after self-cal, rms=0.057225Jy sigma=1.250873 ! 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=0.057225Jy sigma=1.250873 ! Fit after self-cal, rms=0.057245Jy sigma=1.250820 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.3 mas, bmaj=6.566 mas, bpa=-10.22 degrees ! Estimated noise=0.256018 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00035877 Jy ! Component: 100 - total flux cleaned = -0.000424682 Jy ! Component: 150 - total flux cleaned = -0.000432883 Jy ! Component: 200 - total flux cleaned = -0.000425506 Jy ! Total flux subtracted in 200 components = -0.000425506 Jy ! Clean residual min=-0.001145 max=0.001183 Jy/beam ! Clean residual mean=0.000000 rms=0.000304 Jy/beam ! Combined flux in latest and established models = 0.0726008 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 122 components and 0.0726008 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=0.057241Jy sigma=1.250759 ! Fit after self-cal, rms=0.057244Jy sigma=1.250755 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.88462e-06 Jy ! Component: 100 - total flux cleaned = 2.05197e-05 Jy ! Component: 150 - total flux cleaned = 2.74741e-05 Jy ! Component: 200 - total flux cleaned = 3.99308e-05 Jy ! Total flux subtracted in 200 components = 3.99308e-05 Jy ! Clean residual min=-0.001136 max=0.001179 Jy/beam ! Clean residual mean=0.000000 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.0726407 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 126 components and 0.0726408 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=0.057243Jy sigma=1.250730 ! Fit after self-cal, rms=0.057242Jy sigma=1.250730 ! 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=1.542 mas, bmaj=6.725 mas, bpa=-11.48 degrees ! Estimated noise=0.23787 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.542 x 6.725 at -11.48 degrees (North through East) ! Clean map min=-0.001121 max=0.068225 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=1.272 mas, bmaj=6.801 mas, bpa=-11.67 degrees ! Estimated noise=0.37479 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0537044 Jy ! Component: 100 - total flux cleaned = 0.0654356 Jy ! Component: 150 - total flux cleaned = 0.0683589 Jy ! Component: 200 - total flux cleaned = 0.0692892 Jy ! Total flux subtracted in 200 components = 0.0692892 Jy ! Clean residual min=-0.001799 max=0.002001 Jy/beam ! Clean residual mean=-0.000000 rms=0.000519 Jy/beam ! Combined flux in latest and established models = 0.0692892 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0692892 Jy ! Inverting map and beam ! Estimated beam: bmin=1.542 mas, bmaj=6.725 mas, bpa=-11.48 degrees ! Estimated noise=0.23787 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 = 0.00124244 Jy ! Component: 100 - total flux cleaned = 0.00199399 Jy ! Component: 150 - total flux cleaned = 0.00252005 Jy ! Component: 200 - total flux cleaned = 0.00292317 Jy ! Total flux subtracted in 200 components = 0.00292317 Jy ! Clean residual min=-0.001166 max=0.001218 Jy/beam ! Clean residual mean=0.000000 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.0722124 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 47 components and 0.0722124 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=2.3 mas, bmaj=6.566 mas, bpa=-10.22 degrees ! Estimated noise=0.256018 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000368095 Jy ! Component: 100 - total flux cleaned = 0.000615189 Jy ! Component: 150 - total flux cleaned = 0.000714617 Jy ! Component: 200 - total flux cleaned = 0.000806297 Jy ! Total flux subtracted in 200 components = 0.000806297 Jy ! Clean residual min=-0.001063 max=0.001227 Jy/beam ! Clean residual mean=-0.000000 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.0730187 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 = 6.12997e-05 Jy ! Component: 100 - total flux cleaned = 0.000105142 Jy ! Component: 150 - total flux cleaned = 0.000140347 Jy ! Component: 200 - total flux cleaned = 0.000173007 Jy ! Total flux subtracted in 200 components = 0.000173007 Jy ! Clean residual min=-0.001053 max=0.001215 Jy/beam ! Clean residual mean=-0.000000 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.0731917 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 77 components and 0.0731917 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.542 mas, bmaj=6.725 mas, bpa=-11.48 degrees ! Estimated noise=0.23787 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000138008 Jy ! Component: 100 - total flux cleaned = -0.000158239 Jy ! Component: 150 - total flux cleaned = -0.000158022 Jy ! Component: 200 - total flux cleaned = -0.000149563 Jy ! Total flux subtracted in 200 components = -0.000149563 Jy ! Clean residual min=-0.001122 max=0.001185 Jy/beam ! Clean residual mean=-0.000000 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.0730421 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 101 components and 0.0730421 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=0.057240Jy sigma=1.250679 ! Fit after self-cal, rms=0.057235Jy sigma=1.250651 wmodel J1937-0627_X_map.mod ! Writing 101 model components to file: J1937-0627_X_map.mod wobs J1937-0627_X_uvs.fits ! Writing UV FITS file: J1937-0627_X_uvs.fits wwins J1937-0627_X_map.win ! wwins: Wrote 1 windows to J1937-0627_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 = 7.05854e-05 Jy ! Component: 100 - total flux cleaned = 0.000108806 Jy ! Component: 150 - total flux cleaned = 7.32211e-05 Jy ! Component: 200 - total flux cleaned = 3.9315e-05 Jy ! Component: 250 - total flux cleaned = 3.93298e-05 Jy ! Component: 300 - total flux cleaned = 2.3911e-05 Jy ! Component: 350 - total flux cleaned = 3.96733e-05 Jy ! Component: 400 - total flux cleaned = 8.42026e-05 Jy ! Component: 450 - total flux cleaned = 9.85783e-05 Jy ! Component: 500 - total flux cleaned = 0.000168404 Jy ! Component: 550 - total flux cleaned = 0.000236462 Jy ! Component: 600 - total flux cleaned = 0.000263219 Jy ! Component: 650 - total flux cleaned = 0.000315363 Jy ! Component: 700 - total flux cleaned = 0.000365985 Jy ! Component: 750 - total flux cleaned = 0.000378183 Jy ! Component: 800 - total flux cleaned = 0.000378315 Jy ! Component: 850 - total flux cleaned = 0.000390476 Jy ! Component: 900 - total flux cleaned = 0.000425748 Jy ! Component: 950 - total flux cleaned = 0.000425758 Jy ! Component: 1000 - total flux cleaned = 0.00043697 Jy ! Component: 1050 - total flux cleaned = 0.000436914 Jy ! Component: 1100 - total flux cleaned = 0.000436832 Jy ! Component: 1150 - total flux cleaned = 0.000425941 Jy ! Component: 1200 - total flux cleaned = 0.00042583 Jy ! Component: 1250 - total flux cleaned = 0.000373993 Jy ! Component: 1300 - total flux cleaned = 0.000363969 Jy ! Component: 1350 - total flux cleaned = 0.000353899 Jy ! Component: 1400 - total flux cleaned = 0.000333913 Jy ! Component: 1450 - total flux cleaned = 0.000304457 Jy ! Component: 1500 - total flux cleaned = 0.000294888 Jy ! Component: 1550 - total flux cleaned = 0.000314215 Jy ! Component: 1600 - total flux cleaned = 0.000333332 Jy ! Component: 1650 - total flux cleaned = 0.000333479 Jy ! Component: 1700 - total flux cleaned = 0.000324348 Jy ! Component: 1750 - total flux cleaned = 0.000333657 Jy ! Component: 1800 - total flux cleaned = 0.000351715 Jy ! Component: 1850 - total flux cleaned = 0.000334103 Jy ! Component: 1900 - total flux cleaned = 0.000343045 Jy ! Component: 1950 - total flux cleaned = 0.000360367 Jy ! Component: 2000 - total flux cleaned = 0.000360227 Jy ! Component: 2050 - total flux cleaned = 0.000343299 Jy ! Component: 2100 - total flux cleaned = 0.000334945 Jy ! Component: 2150 - total flux cleaned = 0.000343261 Jy ! Component: 2200 - total flux cleaned = 0.000335029 Jy ! Component: 2250 - total flux cleaned = 0.000335092 Jy ! Component: 2300 - total flux cleaned = 0.000327129 Jy ! Component: 2350 - total flux cleaned = 0.000319238 Jy ! Component: 2400 - total flux cleaned = 0.000327013 Jy ! Component: 2450 - total flux cleaned = 0.000342571 Jy ! Component: 2500 - total flux cleaned = 0.000342471 Jy ! Component: 2550 - total flux cleaned = 0.000327183 Jy ! Component: 2600 - total flux cleaned = 0.000319684 Jy ! Component: 2650 - total flux cleaned = 0.000312243 Jy ! Component: 2700 - total flux cleaned = 0.000297459 Jy ! Component: 2750 - total flux cleaned = 0.000304821 Jy ! Component: 2800 - total flux cleaned = 0.000297498 Jy ! Component: 2850 - total flux cleaned = 0.000283063 Jy ! Component: 2900 - total flux cleaned = 0.000254377 Jy ! Component: 2950 - total flux cleaned = 0.0002473 Jy ! Component: 3000 - total flux cleaned = 0.000247254 Jy ! Component: 3050 - total flux cleaned = 0.000233229 Jy ! Component: 3100 - total flux cleaned = 0.000247123 Jy ! Component: 3150 - total flux cleaned = 0.000254033 Jy ! Component: 3200 - total flux cleaned = 0.000281215 Jy ! Component: 3250 - total flux cleaned = 0.000274413 Jy ! Component: 3300 - total flux cleaned = 0.000274402 Jy ! Component: 3350 - total flux cleaned = 0.000294438 Jy ! Component: 3400 - total flux cleaned = 0.000314295 Jy ! Component: 3450 - total flux cleaned = 0.000320901 Jy ! Component: 3500 - total flux cleaned = 0.000320909 Jy ! Component: 3550 - total flux cleaned = 0.000346778 Jy ! Component: 3600 - total flux cleaned = 0.000353187 Jy ! Component: 3650 - total flux cleaned = 0.000378666 Jy ! Component: 3700 - total flux cleaned = 0.000404058 Jy ! Component: 3750 - total flux cleaned = 0.000448151 Jy ! Component: 3800 - total flux cleaned = 0.00048564 Jy ! Component: 3850 - total flux cleaned = 0.00050423 Jy ! Component: 3900 - total flux cleaned = 0.000535099 Jy ! Component: 3950 - total flux cleaned = 0.000559581 Jy ! Component: 4000 - total flux cleaned = 0.000583935 Jy ! Component: 4050 - total flux cleaned = 0.000596089 Jy ! Total flux subtracted in 4096 components = 0.000632251 Jy ! Clean residual min=-0.000392 max=0.000346 Jy/beam ! Clean residual mean=0.000000 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.0736744 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 407 components and 0.0736744 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1937-0627_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.542 x 6.725 at -11.48 degrees (North through East) ! Clean map min=-0.00097993 max=0.068563 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1937-0627_X_map.fits wmodel /vlbi/uf001/uva//J1937-0627_X_map.mod ! Writing 407 model components to file: /vlbi/uf001/uva//J1937-0627_X_map.mod wobs /vlbi/uf001/uva//J1937-0627_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1937-0627_X_uvs.fits wwins /vlbi/uf001/uva//J1937-0627_X_map.win ! wwins: Wrote 2 windows to /vlbi/uf001/uva//J1937-0627_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0685631 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000117346 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.513453 0.513453 1.02691 2.05381 4.10762 8.21525 16.4305 32.861 65.722 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.068 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 584.279 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1937-0627_X_dfm.log closed on Mon Jan 14 05:10:24 2019