! Started logfile: /vlbi/uf001/uva//J1958-2052_X_dfm.log on Mon Jan 14 05:18:28 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//J1958-2052_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1958-2052_X_uva.fits ! AN table 1: 73 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.999511 visibilities/baseline/integration-bin. ! Found source: J1958-2052 ! ! 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 24516 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 J1958-2052_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 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003980Jy sigma=20.874029 ! Fit after self-cal, rms=0.955919Jy sigma=19.879311 ! 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=0.6778 mas, bmaj=2.924 mas, bpa=-21.07 degrees ! Estimated noise=0.497878 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 = 0.0347467 Jy ! Component: 100 - total flux cleaned = 0.042363 Jy ! Total flux subtracted in 100 components = 0.042363 Jy ! Clean residual min=-0.002608 max=0.003165 Jy/beam ! Clean residual mean=-0.000001 rms=0.000656 Jy/beam ! Combined flux in latest and established models = 0.042363 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.042363 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=0.067266Jy sigma=1.219680 ! Fit after self-cal, rms=0.065811Jy sigma=1.188437 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00398257 Jy ! Component: 100 - total flux cleaned = 0.0058511 Jy ! Total flux subtracted in 100 components = 0.0058511 Jy ! Clean residual min=-0.002655 max=0.002559 Jy/beam ! Clean residual mean=-0.000000 rms=0.000634 Jy/beam ! Combined flux in latest and established models = 0.0482141 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 18 components and 0.0482141 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=0.065492Jy sigma=1.181290 ! Fit after self-cal, rms=0.065494Jy sigma=1.181085 ! 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=0.9149 mas, bmaj=3.336 mas, bpa=-18.69 degrees ! Estimated noise=0.224236 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 = 0.00197567 Jy ! Component: 100 - total flux cleaned = 0.00308445 Jy ! Component: 150 - total flux cleaned = 0.0038153 Jy ! Component: 200 - total flux cleaned = 0.00422847 Jy ! Total flux subtracted in 200 components = 0.00422847 Jy ! Clean residual min=-0.001463 max=0.002053 Jy/beam ! Clean residual mean=-0.000000 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.0524426 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 30 components and 0.0524426 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=0.065429Jy sigma=1.179670 ! Fit after self-cal, rms=0.065432Jy sigma=1.179498 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9149 x 3.336 at -18.69 degrees (North through East) ! Clean map min=-0.0013744 max=0.047395 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.96 KP 0.91 ! LA 1.03 MK 1.06 NL 1.16 PT 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.05 KP 0.99 ! LA 0.98 MK 1.02 NL 1.10 PT 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 0.88 KP 1.01 ! LA 0.99 MK 1.00 NL 1.16 PT 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.00 KP 0.97 ! LA 1.00 MK 0.99 NL 1.21 PT 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.87 KP 1.05 ! LA 0.99 MK 1.03 NL 1.13 PT 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 0.95 KP 0.95 ! LA 0.97 MK 1.02 NL 1.21 PT 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.85 KP 1.02 ! LA 0.92 MK 1.12 NL 1.13 PT 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.01 HN 0.97 KP 0.96 ! LA 0.98 MK 1.04 NL 1.12 PT 0.86 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.06 HN 0.94 KP 1.03 ! LA 0.95 MK 1.02 NL 1.09 PT 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 0.91 KP 1.00 ! LA 0.97 MK 1.03 NL 1.14 PT 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 0.92 KP 1.03 ! LA 0.98 MK 0.98 NL 1.12 PT 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.92 HN 0.84 KP 0.98 ! LA 1.00 MK 0.89 NL 1.14 PT 0.94 ! ! ! Fit before self-cal, rms=0.065432Jy sigma=1.179498 ! Fit after self-cal, rms=0.063050Jy sigma=1.175402 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9188 mas, bmaj=3.338 mas, bpa=-18.46 degrees ! Estimated noise=0.223478 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 = 3.44176e-05 Jy ! Component: 100 - total flux cleaned = -3.52055e-06 Jy ! Component: 150 - total flux cleaned = -4.90023e-05 Jy ! Component: 200 - total flux cleaned = -7.45766e-05 Jy ! Total flux subtracted in 200 components = -7.45766e-05 Jy ! Clean residual min=-0.001047 max=0.001186 Jy/beam ! Clean residual mean=-0.000001 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.052368 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 38 components and 0.052368 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=0.063040Jy sigma=1.175188 ! Fit after self-cal, rms=0.063041Jy sigma=1.174452 ! 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=0.063041Jy sigma=1.174452 ! Fit after self-cal, rms=0.063023Jy sigma=1.172753 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9177 mas, bmaj=3.334 mas, bpa=-18.47 degrees ! Estimated noise=0.22264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.40524e-05 Jy ! Component: 100 - total flux cleaned = -5.08125e-05 Jy ! Component: 150 - total flux cleaned = -5.12788e-05 Jy ! Component: 200 - total flux cleaned = -5.98618e-05 Jy ! Total flux subtracted in 200 components = -5.98618e-05 Jy ! Clean residual min=-0.000899 max=0.001094 Jy/beam ! Clean residual mean=-0.000001 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.0523081 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 45 components and 0.0523081 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=0.063018Jy sigma=1.172670 ! Fit after self-cal, rms=0.063036Jy sigma=1.172385 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 (-26, -30). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000676458 Jy ! Component: 100 - total flux cleaned = 0.000648791 Jy ! Component: 150 - total flux cleaned = 0.000628214 Jy ! Component: 200 - total flux cleaned = 0.000627961 Jy ! Total flux subtracted in 200 components = 0.000627961 Jy ! Clean residual min=-0.000883 max=0.000963 Jy/beam ! Clean residual mean=-0.000001 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.0529361 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 63 components and 0.0529361 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=0.063010Jy sigma=1.171920 ! Fit after self-cal, rms=0.063006Jy sigma=1.171804 ! Inverting map ! Added new window around map position (-28.8, -16.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000901117 Jy ! Component: 100 - total flux cleaned = 0.000953139 Jy ! Component: 150 - total flux cleaned = 0.00089167 Jy ! Component: 200 - total flux cleaned = 0.000891868 Jy ! Total flux subtracted in 200 components = 0.000891868 Jy ! Clean residual min=-0.000949 max=0.000902 Jy/beam ! Clean residual mean=-0.000001 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.053828 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 84 components and 0.0538279 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=0.062986Jy sigma=1.171420 ! Fit after self-cal, rms=0.062984Jy sigma=1.171324 ! Inverting map ! Added new window around map position (41.6, 23.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000656863 Jy ! Component: 100 - total flux cleaned = 0.00079617 Jy ! Component: 150 - total flux cleaned = 0.000836546 Jy ! Component: 200 - total flux cleaned = 0.000836747 Jy ! Total flux subtracted in 200 components = 0.000836747 Jy ! Clean residual min=-0.000883 max=0.000762 Jy/beam ! Clean residual mean=-0.000001 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0546647 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 98 components and 0.0546647 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=0.062966Jy sigma=1.170971 ! Fit after self-cal, rms=0.062963Jy sigma=1.170912 ! 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=0.062963Jy sigma=1.170912 ! Fit after self-cal, rms=0.062524Jy sigma=1.170766 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9175 mas, bmaj=3.324 mas, bpa=-18.42 degrees ! Estimated noise=0.221201 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00033734 Jy ! Component: 100 - total flux cleaned = 0.000380245 Jy ! Component: 150 - total flux cleaned = 0.000362324 Jy ! Component: 200 - total flux cleaned = 0.000327987 Jy ! Total flux subtracted in 200 components = 0.000327987 Jy ! Clean residual min=-0.000818 max=0.000840 Jy/beam ! Clean residual mean=-0.000001 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.0549927 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 107 components and 0.0549927 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=0.062511Jy sigma=1.170541 ! Fit after self-cal, rms=0.062517Jy sigma=1.170442 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 = 0.000198644 Jy ! Component: 100 - total flux cleaned = 0.000182449 Jy ! Component: 150 - total flux cleaned = 0.000183066 Jy ! Component: 200 - total flux cleaned = 0.000183307 Jy ! Total flux subtracted in 200 components = 0.000183307 Jy ! Clean residual min=-0.000812 max=0.000794 Jy/beam ! Clean residual mean=-0.000001 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.055176 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 113 components and 0.055176 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=0.062508Jy sigma=1.170290 ! Fit after self-cal, rms=0.062508Jy sigma=1.170276 ! 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=0.062508Jy sigma=1.170276 ! Fit after self-cal, rms=0.062491Jy sigma=1.170257 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.351 mas, bmaj=4.937 mas, bpa=-2.548 degrees ! Estimated noise=0.262686 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000102706 Jy ! Component: 100 - total flux cleaned = 0.000169844 Jy ! Component: 150 - total flux cleaned = 0.000195872 Jy ! Component: 200 - total flux cleaned = 0.000203617 Jy ! Total flux subtracted in 200 components = 0.000203617 Jy ! Clean residual min=-0.000742 max=0.000698 Jy/beam ! Clean residual mean=-0.000001 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.0553796 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 130 components and 0.0553796 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=0.062489Jy sigma=1.170215 ! Fit after self-cal, rms=0.062491Jy sigma=1.170206 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 = 0.000100591 Jy ! Component: 100 - total flux cleaned = 8.61633e-05 Jy ! Component: 150 - total flux cleaned = 8.64114e-05 Jy ! Component: 200 - total flux cleaned = 8.62915e-05 Jy ! Total flux subtracted in 200 components = 8.62915e-05 Jy ! Clean residual min=-0.000727 max=0.000686 Jy/beam ! Clean residual mean=-0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0554659 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 136 components and 0.0554659 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=0.062489Jy sigma=1.170183 ! Fit after self-cal, rms=0.062489Jy sigma=1.170181 ! 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=0.9176 mas, bmaj=3.321 mas, bpa=-18.41 degrees ! Estimated noise=0.220978 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9176 x 3.321 at -18.41 degrees (North through East) ! Clean map min=-0.00077391 max=0.047338 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=0.6787 mas, bmaj=2.894 mas, bpa=-20.72 degrees ! Estimated noise=0.492382 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0360733 Jy ! Component: 100 - total flux cleaned = 0.044135 Jy ! Component: 150 - total flux cleaned = 0.0463308 Jy ! Component: 200 - total flux cleaned = 0.047015 Jy ! Total flux subtracted in 200 components = 0.047015 Jy ! Clean residual min=-0.002361 max=0.002263 Jy/beam ! Clean residual mean=-0.000001 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.047015 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.047015 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9176 mas, bmaj=3.321 mas, bpa=-18.41 degrees ! Estimated noise=0.220978 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 = 0.00238391 Jy ! Component: 100 - total flux cleaned = 0.00377679 Jy ! Component: 150 - total flux cleaned = 0.00479423 Jy ! Component: 200 - total flux cleaned = 0.00557679 Jy ! Total flux subtracted in 200 components = 0.00557679 Jy ! Clean residual min=-0.001017 max=0.001033 Jy/beam ! Clean residual mean=-0.000001 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.0525918 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 47 components and 0.0525918 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=2.351 mas, bmaj=4.937 mas, bpa=-2.548 degrees ! Estimated noise=0.262686 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108718 Jy ! Component: 100 - total flux cleaned = 0.00162943 Jy ! Component: 150 - total flux cleaned = 0.00196682 Jy ! Component: 200 - total flux cleaned = 0.00222096 Jy ! Total flux subtracted in 200 components = 0.00222096 Jy ! Clean residual min=-0.000876 max=0.000755 Jy/beam ! Clean residual mean=-0.000002 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0548128 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 = 0.000178475 Jy ! Component: 100 - total flux cleaned = 0.000298198 Jy ! Component: 150 - total flux cleaned = 0.000347242 Jy ! Component: 200 - total flux cleaned = 0.000381138 Jy ! Total flux subtracted in 200 components = 0.000381138 Jy ! Clean residual min=-0.000813 max=0.000732 Jy/beam ! Clean residual mean=-0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0551939 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 84 components and 0.0551939 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9176 mas, bmaj=3.321 mas, bpa=-18.41 degrees ! Estimated noise=0.220978 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.63883e-05 Jy ! Component: 100 - total flux cleaned = 0.000171684 Jy ! Component: 150 - total flux cleaned = 0.000170493 Jy ! Component: 200 - total flux cleaned = 0.000169805 Jy ! Total flux subtracted in 200 components = 0.000169805 Jy ! Clean residual min=-0.000810 max=0.000851 Jy/beam ! Clean residual mean=-0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0553637 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 101 components and 0.0553637 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=0.062515Jy sigma=1.170583 ! Fit after self-cal, rms=0.062517Jy sigma=1.170518 wmodel J1958-2052_X_map.mod ! Writing 101 model components to file: J1958-2052_X_map.mod wobs J1958-2052_X_uvs.fits ! Writing UV FITS file: J1958-2052_X_uvs.fits wwins J1958-2052_X_map.win ! wwins: Wrote 4 windows to J1958-2052_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 = -0.000120684 Jy ! Component: 100 - total flux cleaned = -0.000162831 Jy ! Component: 150 - total flux cleaned = -0.000270398 Jy ! Component: 200 - total flux cleaned = -0.000373437 Jy ! Component: 250 - total flux cleaned = -0.000398408 Jy ! Component: 300 - total flux cleaned = -0.000458612 Jy ! Component: 350 - total flux cleaned = -0.00045828 Jy ! Component: 400 - total flux cleaned = -0.000457905 Jy ! Component: 450 - total flux cleaned = -0.000457804 Jy ! Component: 500 - total flux cleaned = -0.000479585 Jy ! Component: 550 - total flux cleaned = -0.000522314 Jy ! Component: 600 - total flux cleaned = -0.000574693 Jy ! Component: 650 - total flux cleaned = -0.000615898 Jy ! Component: 700 - total flux cleaned = -0.00067671 Jy ! Component: 750 - total flux cleaned = -0.000716669 Jy ! Component: 800 - total flux cleaned = -0.000755733 Jy ! Component: 850 - total flux cleaned = -0.000813696 Jy ! Component: 900 - total flux cleaned = -0.000813925 Jy ! Component: 950 - total flux cleaned = -0.000870386 Jy ! Component: 1000 - total flux cleaned = -0.000926019 Jy ! Component: 1050 - total flux cleaned = -0.000953349 Jy ! Component: 1100 - total flux cleaned = -0.000971482 Jy ! Component: 1150 - total flux cleaned = -0.00101614 Jy ! Component: 1200 - total flux cleaned = -0.00106008 Jy ! Component: 1250 - total flux cleaned = -0.00108619 Jy ! Component: 1300 - total flux cleaned = -0.00110342 Jy ! Component: 1350 - total flux cleaned = -0.00114601 Jy ! Component: 1400 - total flux cleaned = -0.00114606 Jy ! Component: 1450 - total flux cleaned = -0.0011712 Jy ! Component: 1500 - total flux cleaned = -0.00120422 Jy ! Component: 1550 - total flux cleaned = -0.00122878 Jy ! Component: 1600 - total flux cleaned = -0.00128545 Jy ! Component: 1650 - total flux cleaned = -0.00131741 Jy ! Component: 1700 - total flux cleaned = -0.00131745 Jy ! Component: 1750 - total flux cleaned = -0.00136467 Jy ! Component: 1800 - total flux cleaned = -0.00141918 Jy ! Component: 1850 - total flux cleaned = -0.0014346 Jy ! Component: 1900 - total flux cleaned = -0.00144232 Jy ! Component: 1950 - total flux cleaned = -0.00148046 Jy ! Component: 2000 - total flux cleaned = -0.00154076 Jy ! Component: 2050 - total flux cleaned = -0.00154073 Jy ! Component: 2100 - total flux cleaned = -0.00158525 Jy ! Component: 2150 - total flux cleaned = -0.0016072 Jy ! Component: 2200 - total flux cleaned = -0.00161447 Jy ! Component: 2250 - total flux cleaned = -0.0016362 Jy ! Component: 2300 - total flux cleaned = -0.00167215 Jy ! Component: 2350 - total flux cleaned = -0.00170073 Jy ! Component: 2400 - total flux cleaned = -0.0017362 Jy ! Component: 2450 - total flux cleaned = -0.00173616 Jy ! Component: 2500 - total flux cleaned = -0.00177816 Jy ! Component: 2550 - total flux cleaned = -0.0017643 Jy ! Component: 2600 - total flux cleaned = -0.00181956 Jy ! Component: 2650 - total flux cleaned = -0.00182647 Jy ! Component: 2700 - total flux cleaned = -0.00183326 Jy ! Component: 2750 - total flux cleaned = -0.00185361 Jy ! Component: 2800 - total flux cleaned = -0.00188714 Jy ! Component: 2850 - total flux cleaned = -0.00188043 Jy ! Component: 2900 - total flux cleaned = -0.00189371 Jy ! Component: 2950 - total flux cleaned = -0.00191999 Jy ! Component: 3000 - total flux cleaned = -0.00193953 Jy ! Component: 3050 - total flux cleaned = -0.00195897 Jy ! Component: 3100 - total flux cleaned = -0.00198465 Jy ! Component: 3150 - total flux cleaned = -0.00200381 Jy ! Component: 3200 - total flux cleaned = -0.00199747 Jy ! Component: 3250 - total flux cleaned = -0.00204167 Jy ! Component: 3300 - total flux cleaned = -0.00205425 Jy ! Component: 3350 - total flux cleaned = -0.00207294 Jy ! Component: 3400 - total flux cleaned = -0.00206671 Jy ! Component: 3450 - total flux cleaned = -0.00207902 Jy ! Component: 3500 - total flux cleaned = -0.00210351 Jy ! Component: 3550 - total flux cleaned = -0.00210355 Jy ! Component: 3600 - total flux cleaned = -0.00212781 Jy ! Component: 3650 - total flux cleaned = -0.00211579 Jy ! Component: 3700 - total flux cleaned = -0.00212178 Jy ! Component: 3750 - total flux cleaned = -0.00213966 Jy ! Component: 3800 - total flux cleaned = -0.00215153 Jy ! Component: 3850 - total flux cleaned = -0.00214562 Jy ! Component: 3900 - total flux cleaned = -0.00217487 Jy ! Component: 3950 - total flux cleaned = -0.0021632 Jy ! Component: 4000 - total flux cleaned = -0.00216898 Jy ! Component: 4050 - total flux cleaned = -0.00216323 Jy ! Total flux subtracted in 4096 components = -0.00217472 Jy ! Clean residual min=-0.000359 max=0.000305 Jy/beam ! Clean residual mean=0.000000 rms=0.000098 Jy/beam ! Combined flux in latest and established models = 0.053189 Jy keep ! Adding 252 model components to the UV plane model. ! The established model now contains 353 components and 0.053189 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1958-2052_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9176 x 3.321 at -18.41 degrees (North through East) ! Clean map min=-0.00060199 max=0.047058 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1958-2052_X_map.fits wmodel /vlbi/uf001/uva//J1958-2052_X_map.mod ! Writing 353 model components to file: /vlbi/uf001/uva//J1958-2052_X_map.mod wobs /vlbi/uf001/uva//J1958-2052_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1958-2052_X_uvs.fits wwins /vlbi/uf001/uva//J1958-2052_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1958-2052_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0470583 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.72531e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.619996 0.619996 1.23999 2.47998 4.95997 9.91994 19.8399 39.6797 79.3595 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.047 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 483.874 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1958-2052_X_dfm.log closed on Mon Jan 14 05:18:33 2019