! Started logfile: /vlbi/uf001/uva//J1948+3943_X_dfm.log on Mon Jan 14 05:14:59 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//J1948+3943_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1948+3943_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.984405 visibilities/baseline/integration-bin. ! Found source: J1948+3943 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 30300 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 J1948+3943_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=1.006022Jy sigma=26.753441 ! Fit after self-cal, rms=0.923575Jy sigma=24.548766 ! 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=0.7302 mas, bmaj=1.264 mas, bpa=-10.85 degrees ! Estimated noise=0.311799 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 = 0.0548498 Jy ! Component: 100 - total flux cleaned = 0.0716959 Jy ! Total flux subtracted in 100 components = 0.0716959 Jy ! Clean residual min=-0.003357 max=0.007679 Jy/beam ! Clean residual mean=-0.000002 rms=0.000813 Jy/beam ! Combined flux in latest and established models = 0.0716959 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0716959 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=0.057285Jy sigma=1.422926 ! Fit after self-cal, rms=0.057007Jy sigma=1.415649 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00905627 Jy ! Component: 100 - total flux cleaned = 0.0138275 Jy ! Total flux subtracted in 100 components = 0.0138275 Jy ! Clean residual min=-0.003081 max=0.003676 Jy/beam ! Clean residual mean=-0.000002 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.0855234 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 8 components and 0.0855234 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=0.054979Jy sigma=1.358263 ! Fit after self-cal, rms=0.054957Jy sigma=1.357601 ! Inverting map ! Added new window around map position (-1, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00370731 Jy ! Component: 100 - total flux cleaned = 0.00599419 Jy ! Total flux subtracted in 100 components = 0.00599419 Jy ! Clean residual min=-0.003027 max=0.003299 Jy/beam ! Clean residual mean=-0.000002 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.0915176 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 15 components and 0.0915176 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=0.054564Jy sigma=1.346493 ! Fit after self-cal, rms=0.054548Jy sigma=1.346007 ! 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=0.9492 mas, bmaj=1.547 mas, bpa=-9.369 degrees ! Estimated noise=0.156859 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 (-2.2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0042929 Jy ! Component: 100 - total flux cleaned = 0.00700584 Jy ! Component: 150 - total flux cleaned = 0.00894562 Jy ! Component: 200 - total flux cleaned = 0.0104285 Jy ! Total flux subtracted in 200 components = 0.0104285 Jy ! Clean residual min=-0.002121 max=0.002813 Jy/beam ! Clean residual mean=-0.000010 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.101946 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 41 components and 0.101946 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=0.054164Jy sigma=1.334576 ! Fit after self-cal, rms=0.054123Jy sigma=1.333502 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9492 x 1.547 at -9.369 degrees (North through East) ! Clean map min=-0.0019606 max=0.075946 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.03 HN 0.97 KP 1.06 ! LA 0.99 MK 1.01 NL 1.10 OV 0.92 ! PT 0.84 SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.96 KP 1.02 ! LA 1.03 MK 1.07 NL 1.08 OV 0.92 ! PT 0.87 SC 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.93 KP 1.06 ! LA 1.01 MK 1.08 NL 1.06 OV 0.92 ! PT 0.86 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.95 KP 1.04 ! LA 1.03 MK 1.04 NL 1.08 OV 0.89 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.04 HN 0.97 KP 1.01 ! LA 0.99 MK 0.98 NL 1.14 OV 0.93 ! PT 0.86 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.05 HN 0.97 KP 1.05 ! LA 1.00 MK 0.99 NL 1.13 OV 0.93 ! PT 0.87 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 0.97 KP 1.06 ! LA 1.02 MK 1.00 NL 1.12 OV 0.89 ! PT 0.89 SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.97 HN 0.96 KP 1.05 ! LA 1.03 MK 1.06 NL 1.10 OV 0.91 ! PT 0.88 SC 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.90 KP 1.05 ! LA 1.02 MK 1.06 NL 1.10 OV 0.92 ! PT 0.88 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.02 HN 0.93 KP 1.09 ! LA 1.01 MK 1.01 NL 1.09 OV 0.90 ! PT 0.84 SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.93 KP 1.04 ! LA 1.01 MK 1.05 NL 1.11 OV 0.92 ! PT 0.83 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.00 HN 0.98 KP 1.06 ! LA 1.01 MK 0.96 NL 1.08 OV 0.92 ! PT 0.87 SC 1.03 ! ! ! Fit before self-cal, rms=0.054123Jy sigma=1.333502 ! Fit after self-cal, rms=0.052567Jy sigma=1.312829 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9493 mas, bmaj=1.552 mas, bpa=-8.786 degrees ! Estimated noise=0.155218 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 = -0.000213257 Jy ! Component: 100 - total flux cleaned = -7.61596e-05 Jy ! Component: 150 - total flux cleaned = 9.73485e-06 Jy ! Component: 200 - total flux cleaned = 9.36969e-06 Jy ! Total flux subtracted in 200 components = 9.36969e-06 Jy ! Clean residual min=-0.001052 max=0.001264 Jy/beam ! Clean residual mean=-0.000002 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.101955 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 0.101955 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=0.052539Jy sigma=1.312018 ! Fit after self-cal, rms=0.052581Jy sigma=1.311435 ! 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=0.052581Jy sigma=1.311435 ! Fit after self-cal, rms=0.052908Jy sigma=1.307063 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9458 mas, bmaj=1.547 mas, bpa=-8.428 degrees ! Estimated noise=0.15508 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000101687 Jy ! Component: 100 - total flux cleaned = -0.000154932 Jy ! Component: 150 - total flux cleaned = -0.000203041 Jy ! Component: 200 - total flux cleaned = -0.000245954 Jy ! Total flux subtracted in 200 components = -0.000245954 Jy ! Clean residual min=-0.001027 max=0.000925 Jy/beam ! Clean residual mean=-0.000002 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.10171 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 0.10171 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=0.052895Jy sigma=1.306699 ! Fit after self-cal, rms=0.052910Jy sigma=1.306585 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.75342e-05 Jy ! Component: 100 - total flux cleaned = -7.30287e-05 Jy ! Component: 150 - total flux cleaned = -9.59617e-05 Jy ! Component: 200 - total flux cleaned = -0.000127212 Jy ! Total flux subtracted in 200 components = -0.000127212 Jy ! Clean residual min=-0.001001 max=0.000944 Jy/beam ! Clean residual mean=-0.000002 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.101582 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 71 components and 0.101582 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=0.052905Jy sigma=1.306441 ! Fit after self-cal, rms=0.052904Jy sigma=1.306431 ! 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=0.052904Jy sigma=1.306431 ! Fit after self-cal, rms=0.052879Jy sigma=1.306349 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.944 mas, bmaj=1.545 mas, bpa=-8.301 degrees ! Estimated noise=0.154948 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000122337 Jy ! Component: 100 - total flux cleaned = -0.000172461 Jy ! Component: 150 - total flux cleaned = -0.000193925 Jy ! Component: 200 - total flux cleaned = -0.000223308 Jy ! Total flux subtracted in 200 components = -0.000223308 Jy ! Clean residual min=-0.000979 max=0.000935 Jy/beam ! Clean residual mean=-0.000002 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.101359 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 74 components and 0.101359 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=0.052874Jy sigma=1.306203 ! Fit after self-cal, rms=0.052874Jy sigma=1.306193 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 = -3.96816e-05 Jy ! Component: 100 - total flux cleaned = -6.59281e-05 Jy ! Component: 150 - total flux cleaned = -8.18674e-05 Jy ! Component: 200 - total flux cleaned = -9.64712e-05 Jy ! Total flux subtracted in 200 components = -9.64712e-05 Jy ! Clean residual min=-0.000967 max=0.000948 Jy/beam ! Clean residual mean=-0.000002 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.101263 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 75 components and 0.101263 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=0.052872Jy sigma=1.306129 ! Fit after self-cal, rms=0.052871Jy sigma=1.306122 ! 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=0.052871Jy sigma=1.306122 ! Fit after self-cal, rms=0.052848Jy sigma=1.306091 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.178 mas, bmaj=2.582 mas, bpa=-7.362 degrees ! Estimated noise=0.195755 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.85194e-05 Jy ! Component: 100 - total flux cleaned = 0.000106529 Jy ! Component: 150 - total flux cleaned = 0.000113103 Jy ! Component: 200 - total flux cleaned = 0.000112907 Jy ! Total flux subtracted in 200 components = 0.000112907 Jy ! Clean residual min=-0.001032 max=0.001232 Jy/beam ! Clean residual mean=-0.000005 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.101375 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 89 components and 0.101375 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=0.052851Jy sigma=1.306119 ! Fit after self-cal, rms=0.052851Jy sigma=1.306111 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 = 6.91209e-05 Jy ! Component: 100 - total flux cleaned = 7.94651e-05 Jy ! Component: 150 - total flux cleaned = 8.40071e-05 Jy ! Component: 200 - total flux cleaned = 8.81846e-05 Jy ! Total flux subtracted in 200 components = 8.81846e-05 Jy ! Clean residual min=-0.001016 max=0.001237 Jy/beam ! Clean residual mean=-0.000005 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.101464 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 92 components and 0.101464 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=0.052852Jy sigma=1.306141 ! Fit after self-cal, rms=0.052853Jy sigma=1.306138 ! 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=0.9429 mas, bmaj=1.543 mas, bpa=-8.255 degrees ! Estimated noise=0.154865 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9429 x 1.543 at -8.255 degrees (North through East) ! Clean map min=-0.0009198 max=0.075046 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=0.7262 mas, bmaj=1.256 mas, bpa=-9.533 degrees ! Estimated noise=0.306216 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0537654 Jy ! Component: 100 - total flux cleaned = 0.0717065 Jy ! Component: 150 - total flux cleaned = 0.080941 Jy ! Component: 200 - total flux cleaned = 0.086308 Jy ! Total flux subtracted in 200 components = 0.086308 Jy ! Clean residual min=-0.001960 max=0.002843 Jy/beam ! Clean residual mean=-0.000000 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.086308 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.086308 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9429 mas, bmaj=1.543 mas, bpa=-8.255 degrees ! Estimated noise=0.154865 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 = 0.00532655 Jy ! Component: 100 - total flux cleaned = 0.00848913 Jy ! Component: 150 - total flux cleaned = 0.0104451 Jy ! Component: 200 - total flux cleaned = 0.0117044 Jy ! Total flux subtracted in 200 components = 0.0117044 Jy ! Clean residual min=-0.001003 max=0.001066 Jy/beam ! Clean residual mean=-0.000004 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.0980124 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 25 components and 0.0980124 Jy ! Inverting map ! Added new window around map position (-4.6, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104627 Jy ! Component: 100 - total flux cleaned = 0.00177461 Jy ! Component: 150 - total flux cleaned = 0.00234828 Jy ! Component: 200 - total flux cleaned = 0.0027089 Jy ! Total flux subtracted in 200 components = 0.0027089 Jy ! Clean residual min=-0.000918 max=0.000901 Jy/beam ! Clean residual mean=-0.000002 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.100721 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 42 components and 0.100721 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=2.178 mas, bmaj=2.582 mas, bpa=-7.362 degrees ! Estimated noise=0.195755 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000616144 Jy ! Component: 100 - total flux cleaned = 0.00100727 Jy ! Component: 150 - total flux cleaned = 0.00120871 Jy ! Component: 200 - total flux cleaned = 0.00127831 Jy ! Total flux subtracted in 200 components = 0.00127831 Jy ! Clean residual min=-0.001007 max=0.001199 Jy/beam ! Clean residual mean=-0.000004 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.102 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 = 5.09889e-05 Jy ! Component: 100 - total flux cleaned = 8.30813e-05 Jy ! Component: 150 - total flux cleaned = 0.000100676 Jy ! Component: 200 - total flux cleaned = 0.000117132 Jy ! Total flux subtracted in 200 components = 0.000117132 Jy ! Clean residual min=-0.001004 max=0.001208 Jy/beam ! Clean residual mean=-0.000004 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.102117 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 65 components and 0.102117 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9429 mas, bmaj=1.543 mas, bpa=-8.255 degrees ! Estimated noise=0.154865 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000151242 Jy ! Component: 100 - total flux cleaned = -0.000177052 Jy ! Component: 150 - total flux cleaned = -0.000177287 Jy ! Component: 200 - total flux cleaned = -0.000177146 Jy ! Total flux subtracted in 200 components = -0.000177146 Jy ! Clean residual min=-0.000868 max=0.000891 Jy/beam ! Clean residual mean=-0.000002 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.10194 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 80 components and 0.10194 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=0.052836Jy sigma=1.305792 ! Fit after self-cal, rms=0.052835Jy sigma=1.305729 wmodel J1948+3943_X_map.mod ! Writing 80 model components to file: J1948+3943_X_map.mod wobs J1948+3943_X_uvs.fits ! Writing UV FITS file: J1948+3943_X_uvs.fits wwins J1948+3943_X_map.win ! wwins: Wrote 4 windows to J1948+3943_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 = 9.83484e-05 Jy ! Component: 100 - total flux cleaned = 0.000128614 Jy ! Component: 150 - total flux cleaned = 0.000143658 Jy ! Component: 200 - total flux cleaned = 0.000201433 Jy ! Component: 250 - total flux cleaned = 0.000257129 Jy ! Component: 300 - total flux cleaned = 0.000284033 Jy ! Component: 350 - total flux cleaned = 0.000310525 Jy ! Component: 400 - total flux cleaned = 0.0003234 Jy ! Component: 450 - total flux cleaned = 0.000310682 Jy ! Component: 500 - total flux cleaned = 0.000336153 Jy ! Component: 550 - total flux cleaned = 0.00036085 Jy ! Component: 600 - total flux cleaned = 0.000336482 Jy ! Component: 650 - total flux cleaned = 0.000348672 Jy ! Component: 700 - total flux cleaned = 0.000337046 Jy ! Component: 750 - total flux cleaned = 0.000348526 Jy ! Component: 800 - total flux cleaned = 0.000290904 Jy ! Component: 850 - total flux cleaned = 0.000290907 Jy ! Component: 900 - total flux cleaned = 0.000313222 Jy ! Component: 950 - total flux cleaned = 0.000268758 Jy ! Component: 1000 - total flux cleaned = 0.000301792 Jy ! Component: 1050 - total flux cleaned = 0.000356021 Jy ! Component: 1100 - total flux cleaned = 0.00035602 Jy ! Component: 1150 - total flux cleaned = 0.000387915 Jy ! Component: 1200 - total flux cleaned = 0.000409012 Jy ! Component: 1250 - total flux cleaned = 0.000450714 Jy ! Component: 1300 - total flux cleaned = 0.000492009 Jy ! Component: 1350 - total flux cleaned = 0.000461241 Jy ! Component: 1400 - total flux cleaned = 0.000532341 Jy ! Component: 1450 - total flux cleaned = 0.000532319 Jy ! Component: 1500 - total flux cleaned = 0.000552454 Jy ! Component: 1550 - total flux cleaned = 0.000591986 Jy ! Component: 1600 - total flux cleaned = 0.000640956 Jy ! Component: 1650 - total flux cleaned = 0.000640997 Jy ! Component: 1700 - total flux cleaned = 0.000650714 Jy ! Component: 1750 - total flux cleaned = 0.00070805 Jy ! Component: 1800 - total flux cleaned = 0.000745913 Jy ! Component: 1850 - total flux cleaned = 0.00079297 Jy ! Component: 1900 - total flux cleaned = 0.000792932 Jy ! Component: 1950 - total flux cleaned = 0.000820551 Jy ! Component: 2000 - total flux cleaned = 0.000829695 Jy ! Component: 2050 - total flux cleaned = 0.000847942 Jy ! Component: 2100 - total flux cleaned = 0.000829936 Jy ! Component: 2150 - total flux cleaned = 0.000865768 Jy ! Component: 2200 - total flux cleaned = 0.000883557 Jy ! Component: 2250 - total flux cleaned = 0.00088359 Jy ! Component: 2300 - total flux cleaned = 0.000892341 Jy ! Component: 2350 - total flux cleaned = 0.000874979 Jy ! Component: 2400 - total flux cleaned = 0.000849061 Jy ! Component: 2450 - total flux cleaned = 0.000874859 Jy ! Component: 2500 - total flux cleaned = 0.000891973 Jy ! Component: 2550 - total flux cleaned = 0.000875023 Jy ! Component: 2600 - total flux cleaned = 0.000874977 Jy ! Component: 2650 - total flux cleaned = 0.000849856 Jy ! Component: 2700 - total flux cleaned = 0.000883153 Jy ! Component: 2750 - total flux cleaned = 0.00083345 Jy ! Component: 2800 - total flux cleaned = 0.000849903 Jy ! Component: 2850 - total flux cleaned = 0.000874393 Jy ! Component: 2900 - total flux cleaned = 0.000817557 Jy ! Component: 2950 - total flux cleaned = 0.000817567 Jy ! Component: 3000 - total flux cleaned = 0.000833687 Jy ! Component: 3050 - total flux cleaned = 0.000793793 Jy ! Component: 3100 - total flux cleaned = 0.000817609 Jy ! Component: 3150 - total flux cleaned = 0.000817632 Jy ! Component: 3200 - total flux cleaned = 0.000786255 Jy ! Component: 3250 - total flux cleaned = 0.000770669 Jy ! Component: 3300 - total flux cleaned = 0.000801719 Jy ! Component: 3350 - total flux cleaned = 0.000763178 Jy ! Component: 3400 - total flux cleaned = 0.000786268 Jy ! Component: 3450 - total flux cleaned = 0.000801535 Jy ! Component: 3500 - total flux cleaned = 0.000740842 Jy ! Component: 3550 - total flux cleaned = 0.000793777 Jy ! Component: 3600 - total flux cleaned = 0.000763681 Jy ! Component: 3650 - total flux cleaned = 0.000793642 Jy ! Component: 3700 - total flux cleaned = 0.000778796 Jy ! Component: 3750 - total flux cleaned = 0.000771397 Jy ! Component: 3800 - total flux cleaned = 0.000786066 Jy ! Component: 3850 - total flux cleaned = 0.000807932 Jy ! Component: 3900 - total flux cleaned = 0.000793326 Jy ! Component: 3950 - total flux cleaned = 0.000786082 Jy ! Component: 4000 - total flux cleaned = 0.000764469 Jy ! Component: 4050 - total flux cleaned = 0.000742946 Jy ! Total flux subtracted in 4096 components = 0.000750098 Jy ! Clean residual min=-0.000393 max=0.000457 Jy/beam ! Clean residual mean=-0.000001 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.10269 Jy keep ! Adding 330 model components to the UV plane model. ! The established model now contains 410 components and 0.10269 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1948+3943_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9429 x 1.543 at -8.255 degrees (North through East) ! Clean map min=-0.00074103 max=0.074966 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1948+3943_X_map.fits wmodel /vlbi/uf001/uva//J1948+3943_X_map.mod ! Writing 410 model components to file: /vlbi/uf001/uva//J1948+3943_X_map.mod wobs /vlbi/uf001/uva//J1948+3943_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1948+3943_X_uvs.fits wwins /vlbi/uf001/uva//J1948+3943_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1948+3943_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.074966 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00012305 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.492424 0.492424 0.984848 1.9697 3.93939 7.87878 15.7576 31.5151 63.0303 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.074 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 609.231 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1948+3943_X_dfm.log closed on Mon Jan 14 05:15:05 2019