! Started logfile: /vlbi/uf001/uva//J2048+4310_X_dfm.log on Mon Jan 14 05:38:58 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//J2048+4310_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2048+4310_X_uva.fits ! AN table 1: 108 integrations on 6 of 6 possible baselines. ! Apparent sampling: 0.777778 visibilities/baseline/integration-bin. ! Found source: J2048+4310 ! ! 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 6048 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 J2048+4310_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003166Jy sigma=23.902982 ! Fit after self-cal, rms=0.943283Jy sigma=22.528855 ! 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=5.846 mas, bmaj=7.401 mas, bpa=-4.522 degrees ! Estimated noise=0.777764 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=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0422016 Jy ! Component: 100 - total flux cleaned = 0.0387994 Jy ! Total flux subtracted in 100 components = 0.0387994 Jy ! Clean residual min=-0.008672 max=0.008662 Jy/beam ! Clean residual mean=0.000069 rms=0.003796 Jy/beam ! Combined flux in latest and established models = 0.0387994 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 38 components and 0.0387994 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=0.051422Jy sigma=1.208869 ! Fit after self-cal, rms=0.050430Jy sigma=1.187480 ! 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=6.217 mas, bmaj=6.999 mas, bpa=7.329 degrees ! Estimated noise=0.414008 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 = -0.00719129 Jy ! Component: 100 - total flux cleaned = -0.00872377 Jy ! Component: 150 - total flux cleaned = -0.00964454 Jy ! Component: 200 - total flux cleaned = -0.00948446 Jy ! Total flux subtracted in 200 components = -0.00948446 Jy ! Clean residual min=-0.002557 max=0.002539 Jy/beam ! Clean residual mean=0.000026 rms=0.001206 Jy/beam ! Combined flux in latest and established models = 0.029315 Jy ! Performing phase self-cal ! Adding 122 model components to the UV plane model. ! The established model now contains 158 components and 0.029315 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=0.047009Jy sigma=1.098897 ! Fit after self-cal, rms=0.046433Jy sigma=1.087640 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.217 x 6.999 at 7.329 degrees (North through East) ! Clean map min=-0.015651 max=0.051438 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.05 KP 1.04 LA 1.04 PT 0.79 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 1.05 LA 1.02 PT 0.83 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 1.10 LA 0.99 PT 0.84 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 1.00 LA 1.01 PT 0.84 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 1.08 LA 1.02 PT 0.89 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 1.08 LA 0.93 PT 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.07 KP 1.05 LA 0.87 PT 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 KP 1.07 LA 0.91 PT 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.13 KP 0.96 LA 0.90 PT 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.22 KP 0.93 LA 0.96 PT 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 KP 0.94 LA 1.00 PT 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.11 KP 1.03 LA 1.01 PT 0.93 ! ! ! Fit before self-cal, rms=0.046433Jy sigma=1.087640 ! Fit after self-cal, rms=0.046147Jy sigma=1.071015 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=6.379 mas, bmaj=7.046 mas, bpa=5.044 degrees ! Estimated noise=0.403394 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 = -0.00051837 Jy ! Component: 100 - total flux cleaned = -0.000419661 Jy ! Component: 150 - total flux cleaned = -0.00014606 Jy ! Component: 200 - total flux cleaned = -0.000203566 Jy ! Total flux subtracted in 200 components = -0.000203566 Jy ! Clean residual min=-0.000890 max=0.000897 Jy/beam ! Clean residual mean=0.000002 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.0291114 Jy ! Performing phase self-cal ! Adding 65 model components to the UV plane model. ! The established model now contains 223 components and 0.0291114 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=0.045805Jy sigma=1.062514 ! Fit after self-cal, rms=0.045892Jy sigma=1.059869 ! 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=0.045892Jy sigma=1.059869 ! Fit after self-cal, rms=0.046794Jy sigma=1.055241 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.396 mas, bmaj=7.06 mas, bpa=4.327 degrees ! Estimated noise=0.405839 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156404 Jy ! Component: 100 - total flux cleaned = 0.00217283 Jy ! Component: 150 - total flux cleaned = 0.00275606 Jy ! Component: 200 - total flux cleaned = 0.00323869 Jy ! Total flux subtracted in 200 components = 0.00323869 Jy ! Clean residual min=-0.000634 max=0.000636 Jy/beam ! Clean residual mean=0.000000 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.0323501 Jy selfcal ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 262 components and 0.0323501 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=0.046685Jy sigma=1.052875 ! Fit after self-cal, rms=0.046768Jy sigma=1.051902 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 = 0.00115433 Jy ! Component: 100 - total flux cleaned = 0.00132191 Jy ! Component: 150 - total flux cleaned = 0.00154127 Jy ! Component: 200 - total flux cleaned = 0.00171066 Jy ! Total flux subtracted in 200 components = 0.00171066 Jy ! Clean residual min=-0.000550 max=0.000551 Jy/beam ! Clean residual mean=0.000001 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.0340608 Jy ! Performing phase self-cal ! Adding 64 model components to the UV plane model. ! The established model now contains 319 components and 0.0340608 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=0.046701Jy sigma=1.050545 ! Fit after self-cal, rms=0.046721Jy sigma=1.050339 ! Inverting map ! Added new window around map position (-47.6, 18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000661228 Jy ! Component: 100 - total flux cleaned = 0.000928444 Jy ! Component: 150 - total flux cleaned = 0.00107446 Jy ! Component: 200 - total flux cleaned = 0.00119955 Jy ! Total flux subtracted in 200 components = 0.00119955 Jy ! Clean residual min=-0.000771 max=0.000748 Jy/beam ! Clean residual mean=-0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0352603 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 369 components and 0.0352603 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=0.046699Jy sigma=1.050000 ! Fit after self-cal, rms=0.046698Jy sigma=1.049915 ! 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=0.046698Jy sigma=1.049915 ! Fit after self-cal, rms=0.047170Jy sigma=1.049407 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.395 mas, bmaj=7.058 mas, bpa=3.759 degrees ! Estimated noise=0.404671 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000415521 Jy ! Component: 100 - total flux cleaned = 0.00063764 Jy ! Component: 150 - total flux cleaned = 0.00071647 Jy ! Component: 200 - total flux cleaned = 0.000794823 Jy ! Total flux subtracted in 200 components = 0.000794823 Jy ! Clean residual min=-0.000866 max=0.000901 Jy/beam ! Clean residual mean=-0.000001 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.0360552 Jy selfcal ! Performing phase self-cal ! Adding 67 model components to the UV plane model. ! The established model now contains 423 components and 0.0360552 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=0.047158Jy sigma=1.049221 ! Fit after self-cal, rms=0.047205Jy sigma=1.049070 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 (6.4, 51). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000727683 Jy ! Component: 100 - total flux cleaned = 0.000766431 Jy ! Component: 150 - total flux cleaned = 0.000651368 Jy ! Component: 200 - total flux cleaned = 0.000543218 Jy ! Total flux subtracted in 200 components = 0.000543218 Jy ! Clean residual min=-0.000828 max=0.000976 Jy/beam ! Clean residual mean=0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0365984 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 463 components and 0.0365984 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=0.047184Jy sigma=1.048687 ! Fit after self-cal, rms=0.047188Jy sigma=1.048617 ! Inverting map ! Added new window around map position (51, -4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000441172 Jy ! Component: 100 - total flux cleaned = 0.000518405 Jy ! Component: 150 - total flux cleaned = 0.00059 Jy ! Component: 200 - total flux cleaned = 0.000701801 Jy ! Total flux subtracted in 200 components = 0.000701801 Jy ! Clean residual min=-0.000758 max=0.000637 Jy/beam ! Clean residual mean=-0.000000 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.0373002 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 489 components and 0.0373002 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=0.047159Jy sigma=1.047998 ! Fit after self-cal, rms=0.047159Jy sigma=1.047911 ! 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=0.047159Jy sigma=1.047911 ! Fit after self-cal, rms=0.047374Jy sigma=1.047685 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.47 mas, bmaj=7.095 mas, bpa=3.265 degrees ! Estimated noise=0.401607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000538628 Jy ! Component: 100 - total flux cleaned = 0.000710691 Jy ! Component: 150 - total flux cleaned = 0.000776871 Jy ! Component: 200 - total flux cleaned = 0.000837767 Jy ! Total flux subtracted in 200 components = 0.000837767 Jy ! Clean residual min=-0.000707 max=0.000535 Jy/beam ! Clean residual mean=-0.000000 rms=0.000166 Jy/beam ! Combined flux in latest and established models = 0.038138 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 517 components and 0.038138 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=0.047350Jy sigma=1.047194 ! Fit after self-cal, rms=0.047397Jy sigma=1.047042 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 = 0.000295721 Jy ! Component: 100 - total flux cleaned = 0.000485622 Jy ! Component: 150 - total flux cleaned = 0.000701779 Jy ! Component: 200 - total flux cleaned = 0.000925262 Jy ! Total flux subtracted in 200 components = 0.000925262 Jy ! Clean residual min=-0.000758 max=0.000569 Jy/beam ! Clean residual mean=0.000000 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0390632 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 542 components and 0.0390632 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=0.047378Jy sigma=1.046689 ! Fit after self-cal, rms=0.047385Jy sigma=1.046470 ! 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=6.397 mas, bmaj=7.059 mas, bpa=3.307 degrees ! Estimated noise=0.402724 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.397 x 7.059 at 3.307 degrees (North through East) ! Clean map min=-0.011206 max=0.049942 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=6.013 mas, bmaj=7.447 mas, bpa=-8.3 degrees ! Estimated noise=0.76416 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0207018 Jy ! Component: 100 - total flux cleaned = 0.0336133 Jy ! Component: 150 - total flux cleaned = 0.0388826 Jy ! Component: 200 - total flux cleaned = 0.039869 Jy ! Total flux subtracted in 200 components = 0.039869 Jy ! Clean residual min=-0.020765 max=0.026978 Jy/beam ! Clean residual mean=0.000077 rms=0.007690 Jy/beam ! Combined flux in latest and established models = 0.0398689 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 51 model components to the UV plane model. ! The established model now contains 51 components and 0.0398689 Jy ! Inverting map and beam ! Estimated beam: bmin=6.397 mas, bmaj=7.059 mas, bpa=3.307 degrees ! Estimated noise=0.402724 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 = -0.00410027 Jy ! Component: 100 - total flux cleaned = -0.00491181 Jy ! Component: 150 - total flux cleaned = -0.00525905 Jy ! Component: 200 - total flux cleaned = -0.00490001 Jy ! Total flux subtracted in 200 components = -0.00490001 Jy ! Clean residual min=-0.017361 max=0.021991 Jy/beam ! Clean residual mean=0.000072 rms=0.006571 Jy/beam ! Combined flux in latest and established models = 0.0349689 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 118 components and 0.0349689 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=6.47 mas, bmaj=7.095 mas, bpa=3.265 degrees ! Estimated noise=0.401607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000480582 Jy ! Component: 100 - total flux cleaned = 0.000180048 Jy ! Component: 150 - total flux cleaned = 0.00104583 Jy ! Component: 200 - total flux cleaned = 0.00212017 Jy ! Total flux subtracted in 200 components = 0.00212017 Jy ! Clean residual min=-0.015053 max=0.018615 Jy/beam ! Clean residual mean=0.000063 rms=0.005715 Jy/beam ! Combined flux in latest and established models = 0.0370891 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 = 0.00128686 Jy ! Component: 100 - total flux cleaned = 0.00299857 Jy ! Component: 150 - total flux cleaned = 0.00439442 Jy ! Component: 200 - total flux cleaned = 0.00551455 Jy ! Total flux subtracted in 200 components = 0.00551455 Jy ! Clean residual min=-0.012981 max=0.016170 Jy/beam ! Clean residual mean=0.000048 rms=0.004870 Jy/beam ! Combined flux in latest and established models = 0.0426036 Jy ! Adding 102 model components to the UV plane model. ! The established model now contains 215 components and 0.0426036 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=6.397 mas, bmaj=7.059 mas, bpa=3.307 degrees ! Estimated noise=0.402724 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00286042 Jy ! Component: 100 - total flux cleaned = 0.00345017 Jy ! Component: 150 - total flux cleaned = 0.00457978 Jy ! Component: 200 - total flux cleaned = 0.00583685 Jy ! Total flux subtracted in 200 components = 0.00583685 Jy ! Clean residual min=-0.011181 max=0.013480 Jy/beam ! Clean residual mean=0.000043 rms=0.004094 Jy/beam ! Combined flux in latest and established models = 0.0484405 Jy selfcal ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 264 components and 0.0484404 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=0.052598Jy sigma=1.205470 ! Fit after self-cal, rms=0.051357Jy sigma=1.181359 wmodel J2048+4310_X_map.mod ! Writing 264 model components to file: J2048+4310_X_map.mod wobs J2048+4310_X_uvs.fits ! Writing UV FITS file: J2048+4310_X_uvs.fits wwins J2048+4310_X_map.win ! wwins: Wrote 3 windows to J2048+4310_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0053829 Jy ! Component: 100 - total flux cleaned = 0.0060078 Jy ! Component: 150 - total flux cleaned = 0.00601277 Jy ! Component: 200 - total flux cleaned = 0.00560012 Jy ! Component: 250 - total flux cleaned = 0.0054965 Jy ! Component: 300 - total flux cleaned = 0.00549508 Jy ! Component: 350 - total flux cleaned = 0.00598295 Jy ! Component: 400 - total flux cleaned = 0.00665103 Jy ! Component: 450 - total flux cleaned = 0.0070921 Jy ! Component: 500 - total flux cleaned = 0.00754155 Jy ! Component: 550 - total flux cleaned = 0.00813807 Jy ! Component: 600 - total flux cleaned = 0.00877127 Jy ! Component: 650 - total flux cleaned = 0.00943336 Jy ! Component: 700 - total flux cleaned = 0.0100093 Jy ! Component: 750 - total flux cleaned = 0.010649 Jy ! Component: 800 - total flux cleaned = 0.0112814 Jy ! Component: 850 - total flux cleaned = 0.0117885 Jy ! Component: 900 - total flux cleaned = 0.0122408 Jy ! Component: 950 - total flux cleaned = 0.0127871 Jy ! Component: 1000 - total flux cleaned = 0.0133433 Jy ! Component: 1050 - total flux cleaned = 0.0136785 Jy ! Component: 1100 - total flux cleaned = 0.014108 Jy ! Component: 1150 - total flux cleaned = 0.0143829 Jy ! Component: 1200 - total flux cleaned = 0.014581 Jy ! Component: 1250 - total flux cleaned = 0.0148024 Jy ! Component: 1300 - total flux cleaned = 0.0149982 Jy ! Component: 1350 - total flux cleaned = 0.0151451 Jy ! Component: 1400 - total flux cleaned = 0.0152672 Jy ! Component: 1450 - total flux cleaned = 0.015365 Jy ! Component: 1500 - total flux cleaned = 0.0154874 Jy ! Component: 1550 - total flux cleaned = 0.015635 Jy ! Component: 1600 - total flux cleaned = 0.015783 Jy ! Component: 1650 - total flux cleaned = 0.0159067 Jy ! Component: 1700 - total flux cleaned = 0.0159316 Jy ! Component: 1750 - total flux cleaned = 0.0159318 Jy ! Component: 1800 - total flux cleaned = 0.0159318 Jy ! Component: 1850 - total flux cleaned = 0.0159319 Jy ! Component: 1900 - total flux cleaned = 0.0158803 Jy ! Component: 1950 - total flux cleaned = 0.0158541 Jy ! Component: 2000 - total flux cleaned = 0.0157752 Jy ! Component: 2050 - total flux cleaned = 0.0156952 Jy ! Component: 2100 - total flux cleaned = 0.0156143 Jy ! Component: 2150 - total flux cleaned = 0.015505 Jy ! Component: 2200 - total flux cleaned = 0.0154219 Jy ! Component: 2250 - total flux cleaned = 0.0153099 Jy ! Component: 2300 - total flux cleaned = 0.0152245 Jy ! Component: 2350 - total flux cleaned = 0.0151091 Jy ! Component: 2400 - total flux cleaned = 0.0149923 Jy ! Component: 2450 - total flux cleaned = 0.0148734 Jy ! Component: 2500 - total flux cleaned = 0.0147527 Jy ! Component: 2550 - total flux cleaned = 0.0145987 Jy ! Component: 2600 - total flux cleaned = 0.0144419 Jy ! Component: 2650 - total flux cleaned = 0.0143462 Jy ! Component: 2700 - total flux cleaned = 0.0141843 Jy ! Component: 2750 - total flux cleaned = 0.0140858 Jy ! Component: 2800 - total flux cleaned = 0.0139846 Jy ! Component: 2850 - total flux cleaned = 0.0137777 Jy ! Component: 2900 - total flux cleaned = 0.0136001 Jy ! Component: 2950 - total flux cleaned = 0.0133455 Jy ! Component: 3000 - total flux cleaned = 0.0131581 Jy ! Component: 3050 - total flux cleaned = 0.0129661 Jy ! Component: 3100 - total flux cleaned = 0.0128073 Jy ! Component: 3150 - total flux cleaned = 0.012603 Jy ! Component: 3200 - total flux cleaned = 0.0123917 Jy ! Component: 3250 - total flux cleaned = 0.0122608 Jy ! Component: 3300 - total flux cleaned = 0.0120357 Jy ! Component: 3350 - total flux cleaned = 0.0118023 Jy ! Component: 3400 - total flux cleaned = 0.0116084 Jy ! Component: 3450 - total flux cleaned = 0.0114586 Jy ! Component: 3500 - total flux cleaned = 0.0112531 Jy ! Component: 3550 - total flux cleaned = 0.0109873 Jy ! Component: 3600 - total flux cleaned = 0.0107676 Jy ! Component: 3650 - total flux cleaned = 0.0104264 Jy ! Component: 3700 - total flux cleaned = 0.0102493 Jy ! Component: 3750 - total flux cleaned = 0.00994567 Jy ! Component: 3800 - total flux cleaned = 0.00969457 Jy ! Component: 3850 - total flux cleaned = 0.00936977 Jy ! Component: 3900 - total flux cleaned = 0.00910039 Jy ! Component: 3950 - total flux cleaned = 0.00875256 Jy ! Component: 4000 - total flux cleaned = 0.00846467 Jy ! Component: 4050 - total flux cleaned = 0.00816525 Jy ! Total flux subtracted in 4096 components = 0.00785775 Jy ! Clean residual min=-0.003904 max=0.004387 Jy/beam ! Clean residual mean=0.000022 rms=0.001411 Jy/beam ! Combined flux in latest and established models = 0.0562982 Jy keep ! Adding 426 model components to the UV plane model. ! The established model now contains 690 components and 0.0562982 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2048+4310_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.397 x 7.059 at 3.307 degrees (North through East) ! Clean map min=-0.021526 max=0.034565 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2048+4310_X_map.fits wmodel /vlbi/uf001/uva//J2048+4310_X_map.mod ! Writing 690 model components to file: /vlbi/uf001/uva//J2048+4310_X_map.mod wobs /vlbi/uf001/uva//J2048+4310_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2048+4310_X_uvs.fits wwins /vlbi/uf001/uva//J2048+4310_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J2048+4310_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0345651 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00155005 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -13.4533 13.4533 26.9066 53.8133 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0046 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.034 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 22.299 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2048+4310_X_dfm.log closed on Mon Jan 14 05:39:04 2019