! Started logfile: /vlbi/uf001/uva//J1707+1846_X_dfm.log on Mon Jan 14 04:02:01 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//J1707+1846_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1707+1846_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.843915 visibilities/baseline/integration-bin. ! Found source: J1707+1846 ! ! 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 19140 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 J1707+1846_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 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.018822Jy sigma=21.004875 ! Fit after self-cal, rms=0.866026Jy sigma=17.664987 ! 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=0.734 mas, bmaj=1.949 mas, bpa=-10.9 degrees ! Estimated noise=0.522384 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 = 0.102229 Jy ! Component: 100 - total flux cleaned = 0.127574 Jy ! Total flux subtracted in 100 components = 0.127574 Jy ! Clean residual min=-0.008140 max=0.014768 Jy/beam ! Clean residual mean=0.000013 rms=0.001883 Jy/beam ! Combined flux in latest and established models = 0.127574 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.127574 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=0.078552Jy sigma=1.551696 ! Fit after self-cal, rms=0.078550Jy sigma=1.551304 ! Inverting map ! Added new window around map position (-2, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.015471 Jy ! Component: 100 - total flux cleaned = 0.0259928 Jy ! Total flux subtracted in 100 components = 0.0259928 Jy ! Clean residual min=-0.007642 max=0.008221 Jy/beam ! Clean residual mean=0.000006 rms=0.001541 Jy/beam ! Combined flux in latest and established models = 0.153567 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 27 components and 0.153567 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=0.074438Jy sigma=1.434611 ! Fit after self-cal, rms=0.074277Jy sigma=1.430773 ! 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=0.963 mas, bmaj=2.304 mas, bpa=-10.99 degrees ! Estimated noise=0.276205 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 (-1, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013136 Jy ! Component: 100 - total flux cleaned = 0.0215222 Jy ! Component: 150 - total flux cleaned = 0.0276022 Jy ! Component: 200 - total flux cleaned = 0.0322418 Jy ! Total flux subtracted in 200 components = 0.0322418 Jy ! Clean residual min=-0.007059 max=0.006057 Jy/beam ! Clean residual mean=0.000001 rms=0.001522 Jy/beam ! Combined flux in latest and established models = 0.185809 Jy ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 80 components and 0.185809 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=0.071976Jy sigma=1.359928 ! Fit after self-cal, rms=0.071871Jy sigma=1.356659 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.963 x 2.304 at -10.99 degrees (North through East) ! Clean map min=-0.0065012 max=0.13906 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 1.11 HN 0.96 KP 1.04 ! LA 0.76 MK 1.03 NL 1.14 OV 0.99 ! PT 0.97 SC 0.90 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.06 HN 0.94 KP 1.05 ! LA 0.79 MK 1.07 NL 1.13 OV 0.98 ! PT 1.00 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.06 HN 0.89 KP 1.04 ! LA 0.77 MK 1.10 NL 1.17 OV 0.97 ! PT 0.99 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.06 HN 0.95 KP 1.09 ! LA 0.80 MK 1.04 NL 1.12 OV 0.95 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.08 HN 0.90 KP 1.04 ! LA 0.78 MK 1.04 NL 1.14 OV 0.95 ! PT 1.02 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.12 HN 0.94 KP 1.10 ! LA 0.76 MK 1.03 NL 1.14 OV 0.96 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.08 HN 0.92 KP 1.04 ! LA 0.77 MK 1.05 NL 1.16 OV 1.01 ! PT 0.97 SC 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.09 HN 0.94 KP 1.04 ! LA 0.78 MK 1.07 NL 1.13 OV 0.97 ! PT 0.95 SC 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.07 HN 0.93 KP 1.08 ! LA 0.78 MK 1.04 NL 1.11 OV 0.98 ! PT 1.00 SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.05 HN 0.93 KP 1.07 ! LA 0.80 MK 0.99 NL 1.12 OV 0.98 ! PT 0.99 SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.08 HN 0.93 KP 1.10 ! LA 0.76 MK 1.03 NL 1.16 OV 0.95 ! PT 0.98 SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.25 FD 1.06 HN 0.93 KP 1.04 ! LA 0.79 MK 1.01 NL 1.16 OV 0.93 ! PT 0.99 SC 0.93 ! ! ! Fit before self-cal, rms=0.071871Jy sigma=1.356659 ! Fit after self-cal, rms=0.070547Jy sigma=1.252061 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.966 mas, bmaj=2.35 mas, bpa=-10.64 degrees ! Estimated noise=0.274352 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 = -0.000129978 Jy ! Component: 100 - total flux cleaned = -0.000592432 Jy ! Component: 150 - total flux cleaned = -0.00087502 Jy ! Component: 200 - total flux cleaned = -0.00117265 Jy ! Total flux subtracted in 200 components = -0.00117265 Jy ! Clean residual min=-0.002554 max=0.002250 Jy/beam ! Clean residual mean=-0.000000 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 0.184636 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 97 components and 0.184636 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=0.070326Jy sigma=1.246974 ! Fit after self-cal, rms=0.070577Jy sigma=1.245289 ! 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=0.070577Jy sigma=1.245289 ! Fit after self-cal, rms=0.071330Jy sigma=1.232231 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9719 mas, bmaj=2.367 mas, bpa=-10.37 degrees ! Estimated noise=0.275026 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.17764e-05 Jy ! Component: 100 - total flux cleaned = -0.000284763 Jy ! Component: 150 - total flux cleaned = -0.000359186 Jy ! Component: 200 - total flux cleaned = -0.000458998 Jy ! Total flux subtracted in 200 components = -0.000458998 Jy ! Clean residual min=-0.001600 max=0.001590 Jy/beam ! Clean residual mean=-0.000000 rms=0.000392 Jy/beam ! Combined flux in latest and established models = 0.184177 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 109 components and 0.184177 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=0.071281Jy sigma=1.231069 ! Fit after self-cal, rms=0.071311Jy sigma=1.230919 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 = -2.85736e-05 Jy ! Component: 100 - total flux cleaned = -0.000145183 Jy ! Component: 150 - total flux cleaned = -0.000197124 Jy ! Component: 200 - total flux cleaned = -0.000245837 Jy ! Total flux subtracted in 200 components = -0.000245837 Jy ! Clean residual min=-0.001615 max=0.001557 Jy/beam ! Clean residual mean=-0.000000 rms=0.000385 Jy/beam ! Combined flux in latest and established models = 0.183931 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 113 components and 0.183931 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=0.071289Jy sigma=1.230484 ! Fit after self-cal, rms=0.071284Jy sigma=1.230459 ! 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=0.071284Jy sigma=1.230459 ! Fit after self-cal, rms=0.071660Jy sigma=1.230223 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9729 mas, bmaj=2.376 mas, bpa=-10.32 degrees ! Estimated noise=0.274869 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000771347 Jy ! Component: 100 - total flux cleaned = -0.000859877 Jy ! Component: 150 - total flux cleaned = -0.000936741 Jy ! Component: 200 - total flux cleaned = -0.00100741 Jy ! Total flux subtracted in 200 components = -0.00100741 Jy ! Clean residual min=-0.001567 max=0.001496 Jy/beam ! Clean residual mean=-0.000000 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.182924 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 114 components and 0.182924 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=0.071635Jy sigma=1.229761 ! Fit after self-cal, rms=0.071638Jy sigma=1.229740 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 = -6.94668e-05 Jy ! Component: 100 - total flux cleaned = -0.000131316 Jy ! Component: 150 - total flux cleaned = -0.000187872 Jy ! Component: 200 - total flux cleaned = -0.000205551 Jy ! Total flux subtracted in 200 components = -0.000205551 Jy ! Clean residual min=-0.001574 max=0.001469 Jy/beam ! Clean residual mean=-0.000000 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.182718 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 120 components and 0.182718 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=0.071626Jy sigma=1.229529 ! Fit after self-cal, rms=0.071622Jy sigma=1.229515 ! 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=0.071622Jy sigma=1.229515 ! Fit after self-cal, rms=0.071888Jy sigma=1.229393 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.116 mas, bmaj=3.135 mas, bpa=-8.258 degrees ! Estimated noise=0.311822 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000184761 Jy ! Component: 100 - total flux cleaned = -2.27328e-05 Jy ! Component: 150 - total flux cleaned = -0.000167361 Jy ! Component: 200 - total flux cleaned = -0.000268379 Jy ! Total flux subtracted in 200 components = -0.000268379 Jy ! Clean residual min=-0.001696 max=0.001709 Jy/beam ! Clean residual mean=0.000000 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.18245 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 132 components and 0.18245 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=0.071890Jy sigma=1.229253 ! Fit after self-cal, rms=0.071894Jy sigma=1.229207 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 = -1.66668e-05 Jy ! Component: 100 - total flux cleaned = -2.80716e-05 Jy ! Component: 150 - total flux cleaned = -4.79817e-05 Jy ! Component: 200 - total flux cleaned = -5.67336e-05 Jy ! Total flux subtracted in 200 components = -5.67336e-05 Jy ! Clean residual min=-0.001697 max=0.001742 Jy/beam ! Clean residual mean=0.000000 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.182393 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 136 components and 0.182393 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=0.071897Jy sigma=1.229243 ! Fit after self-cal, rms=0.071896Jy sigma=1.229236 ! 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=0.9738 mas, bmaj=2.382 mas, bpa=-10.27 degrees ! Estimated noise=0.274772 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9738 x 2.382 at -10.27 degrees (North through East) ! Clean map min=-0.0017136 max=0.13816 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=0.7365 mas, bmaj=2.007 mas, bpa=-10.1 degrees ! Estimated noise=0.531478 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.103696 Jy ! Component: 100 - total flux cleaned = 0.129641 Jy ! Component: 150 - total flux cleaned = 0.144198 Jy ! Component: 200 - total flux cleaned = 0.154024 Jy ! Total flux subtracted in 200 components = 0.154024 Jy ! Clean residual min=-0.003331 max=0.005377 Jy/beam ! Clean residual mean=0.000007 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.154024 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 0.154024 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9738 mas, bmaj=2.382 mas, bpa=-10.27 degrees ! Estimated noise=0.274772 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 = 0.00957946 Jy ! Component: 100 - total flux cleaned = 0.0154934 Jy ! Component: 150 - total flux cleaned = 0.0195301 Jy ! Component: 200 - total flux cleaned = 0.0223682 Jy ! Total flux subtracted in 200 components = 0.0223682 Jy ! Clean residual min=-0.001831 max=0.001834 Jy/beam ! Clean residual mean=0.000002 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.176392 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 58 components and 0.176392 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=2.116 mas, bmaj=3.135 mas, bpa=-8.258 degrees ! Estimated noise=0.311822 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296704 Jy ! Component: 100 - total flux cleaned = 0.0046349 Jy ! Component: 150 - total flux cleaned = 0.00508723 Jy ! Component: 200 - total flux cleaned = 0.00522605 Jy ! Total flux subtracted in 200 components = 0.00522605 Jy ! Clean residual min=-0.001678 max=0.001673 Jy/beam ! Clean residual mean=0.000001 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.181618 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 = 0.000143078 Jy ! Component: 100 - total flux cleaned = 0.000285095 Jy ! Component: 150 - total flux cleaned = 0.000404183 Jy ! Component: 200 - total flux cleaned = 0.000491595 Jy ! Total flux subtracted in 200 components = 0.000491595 Jy ! Clean residual min=-0.001659 max=0.001662 Jy/beam ! Clean residual mean=0.000001 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.18211 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 94 components and 0.18211 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9738 mas, bmaj=2.382 mas, bpa=-10.27 degrees ! Estimated noise=0.274772 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000212499 Jy ! Component: 100 - total flux cleaned = 0.000220368 Jy ! Component: 150 - total flux cleaned = 0.000153268 Jy ! Component: 200 - total flux cleaned = 0.000120585 Jy ! Total flux subtracted in 200 components = 0.000120585 Jy ! Clean residual min=-0.001514 max=0.001446 Jy/beam ! Clean residual mean=-0.000000 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.182231 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 106 components and 0.182231 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=0.071894Jy sigma=1.229417 ! Fit after self-cal, rms=0.071862Jy sigma=1.229294 wmodel J1707+1846_X_map.mod ! Writing 106 model components to file: J1707+1846_X_map.mod wobs J1707+1846_X_uvs.fits ! Writing UV FITS file: J1707+1846_X_uvs.fits wwins J1707+1846_X_map.win ! wwins: Wrote 3 windows to J1707+1846_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 = -0.000141219 Jy ! Component: 100 - total flux cleaned = 4.21166e-05 Jy ! Component: 150 - total flux cleaned = 0.000244034 Jy ! Component: 200 - total flux cleaned = 0.000342266 Jy ! Component: 250 - total flux cleaned = 0.000438013 Jy ! Component: 300 - total flux cleaned = 0.00050787 Jy ! Component: 350 - total flux cleaned = 0.000553971 Jy ! Component: 400 - total flux cleaned = 0.000687096 Jy ! Component: 450 - total flux cleaned = 0.000687029 Jy ! Component: 500 - total flux cleaned = 0.00066618 Jy ! Component: 550 - total flux cleaned = 0.000625013 Jy ! Component: 600 - total flux cleaned = 0.000605145 Jy ! Component: 650 - total flux cleaned = 0.000585188 Jy ! Component: 700 - total flux cleaned = 0.000545472 Jy ! Component: 750 - total flux cleaned = 0.000525726 Jy ! Component: 800 - total flux cleaned = 0.000487487 Jy ! Component: 850 - total flux cleaned = 0.000449802 Jy ! Component: 900 - total flux cleaned = 0.000449817 Jy ! Component: 950 - total flux cleaned = 0.000505139 Jy ! Component: 1000 - total flux cleaned = 0.000486607 Jy ! Component: 1050 - total flux cleaned = 0.000558485 Jy ! Component: 1100 - total flux cleaned = 0.000505317 Jy ! Component: 1150 - total flux cleaned = 0.000540797 Jy ! Component: 1200 - total flux cleaned = 0.000575958 Jy ! Component: 1250 - total flux cleaned = 0.000610818 Jy ! Component: 1300 - total flux cleaned = 0.000645015 Jy ! Component: 1350 - total flux cleaned = 0.000695626 Jy ! Component: 1400 - total flux cleaned = 0.000678725 Jy ! Component: 1450 - total flux cleaned = 0.000645499 Jy ! Component: 1500 - total flux cleaned = 0.000629375 Jy ! Component: 1550 - total flux cleaned = 0.000629362 Jy ! Component: 1600 - total flux cleaned = 0.000629494 Jy ! Component: 1650 - total flux cleaned = 0.000565816 Jy ! Component: 1700 - total flux cleaned = 0.000613204 Jy ! Component: 1750 - total flux cleaned = 0.000582048 Jy ! Component: 1800 - total flux cleaned = 0.000566589 Jy ! Component: 1850 - total flux cleaned = 0.000505476 Jy ! Component: 1900 - total flux cleaned = 0.000520719 Jy ! Component: 1950 - total flux cleaned = 0.00047541 Jy ! Component: 2000 - total flux cleaned = 0.000430656 Jy ! Component: 2050 - total flux cleaned = 0.000415789 Jy ! Component: 2100 - total flux cleaned = 0.000371509 Jy ! Component: 2150 - total flux cleaned = 0.000327538 Jy ! Component: 2200 - total flux cleaned = 0.000341826 Jy ! Component: 2250 - total flux cleaned = 0.000241353 Jy ! Component: 2300 - total flux cleaned = 0.000184341 Jy ! Component: 2350 - total flux cleaned = 0.00019858 Jy ! Component: 2400 - total flux cleaned = 0.000156478 Jy ! Component: 2450 - total flux cleaned = 0.000114657 Jy ! Component: 2500 - total flux cleaned = 5.94201e-05 Jy ! Component: 2550 - total flux cleaned = -9.1326e-06 Jy ! Component: 2600 - total flux cleaned = 1.80892e-05 Jy ! Component: 2650 - total flux cleaned = -4.94914e-05 Jy ! Component: 2700 - total flux cleaned = -3.60353e-05 Jy ! Component: 2750 - total flux cleaned = -6.27148e-05 Jy ! Component: 2800 - total flux cleaned = -7.59954e-05 Jy ! Component: 2850 - total flux cleaned = -0.000128541 Jy ! Component: 2900 - total flux cleaned = -0.000141648 Jy ! Component: 2950 - total flux cleaned = -0.000154541 Jy ! Component: 3000 - total flux cleaned = -0.000141678 Jy ! Component: 3050 - total flux cleaned = -0.000167031 Jy ! Component: 3100 - total flux cleaned = -0.000179739 Jy ! Component: 3150 - total flux cleaned = -0.000204836 Jy ! Component: 3200 - total flux cleaned = -0.00024239 Jy ! Component: 3250 - total flux cleaned = -0.000205124 Jy ! Component: 3300 - total flux cleaned = -0.000180368 Jy ! Component: 3350 - total flux cleaned = -0.000241761 Jy ! Component: 3400 - total flux cleaned = -0.000193057 Jy ! Component: 3450 - total flux cleaned = -0.000205167 Jy ! Component: 3500 - total flux cleaned = -0.000168866 Jy ! Component: 3550 - total flux cleaned = -0.000156924 Jy ! Component: 3600 - total flux cleaned = -0.000192553 Jy ! Component: 3650 - total flux cleaned = -0.000204393 Jy ! Component: 3700 - total flux cleaned = -0.000192544 Jy ! Component: 3750 - total flux cleaned = -0.000192526 Jy ! Component: 3800 - total flux cleaned = -0.000180769 Jy ! Component: 3850 - total flux cleaned = -0.000192424 Jy ! Component: 3900 - total flux cleaned = -0.000169392 Jy ! Component: 3950 - total flux cleaned = -0.000180807 Jy ! Component: 4000 - total flux cleaned = -0.000192283 Jy ! Component: 4050 - total flux cleaned = -0.000169707 Jy ! Total flux subtracted in 4096 components = -0.000158355 Jy ! Clean residual min=-0.000658 max=0.000762 Jy/beam ! Clean residual mean=-0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.182072 Jy keep ! Adding 281 model components to the UV plane model. ! The established model now contains 387 components and 0.182072 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1707+1846_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9738 x 2.382 at -10.27 degrees (North through East) ! Clean map min=-0.001357 max=0.13878 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1707+1846_X_map.fits wmodel /vlbi/uf001/uva//J1707+1846_X_map.mod ! Writing 387 model components to file: /vlbi/uf001/uva//J1707+1846_X_map.mod wobs /vlbi/uf001/uva//J1707+1846_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1707+1846_X_uvs.fits wwins /vlbi/uf001/uva//J1707+1846_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1707+1846_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.138783 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000194681 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.420834 0.420834 0.841668 1.68334 3.36667 6.73334 13.4667 26.9334 53.8667 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.138 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 712.87 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1707+1846_X_dfm.log closed on Mon Jan 14 04:02:06 2019