! Started logfile: /vlbi/uf001/uva//J1656+1826_X_dfm.log on Mon Jan 14 03:57:11 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//J1656+1826_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1656+1826_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.914198 visibilities/baseline/integration-bin. ! Found source: J1656+1826 ! ! 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 35544 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 J1656+1826_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 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.010399Jy sigma=23.807018 ! Fit after self-cal, rms=0.878324Jy sigma=20.608784 ! 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=0.7164 mas, bmaj=1.97 mas, bpa=-10.7 degrees ! Estimated noise=0.303963 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 = 0.0855368 Jy ! Component: 100 - total flux cleaned = 0.118319 Jy ! Total flux subtracted in 100 components = 0.118319 Jy ! Clean residual min=-0.006336 max=0.019970 Jy/beam ! Clean residual mean=-0.000003 rms=0.001614 Jy/beam ! Combined flux in latest and established models = 0.118319 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.118319 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=0.067515Jy sigma=1.562028 ! Fit after self-cal, rms=0.067019Jy sigma=1.552482 ! Inverting map ! Added new window around map position (-1, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0210587 Jy ! Component: 100 - total flux cleaned = 0.0322846 Jy ! Total flux subtracted in 100 components = 0.0322846 Jy ! Clean residual min=-0.004118 max=0.006679 Jy/beam ! Clean residual mean=-0.000002 rms=0.000942 Jy/beam ! Combined flux in latest and established models = 0.150603 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 12 components and 0.150603 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=0.057753Jy sigma=1.314150 ! Fit after self-cal, rms=0.057510Jy sigma=1.309233 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00758341 Jy ! Component: 100 - total flux cleaned = 0.0122719 Jy ! Total flux subtracted in 100 components = 0.0122719 Jy ! Clean residual min=-0.003939 max=0.006521 Jy/beam ! Clean residual mean=-0.000001 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.162875 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 0.162875 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=0.055795Jy sigma=1.263714 ! Fit after self-cal, rms=0.055762Jy sigma=1.263022 ! Inverting map ! Added new window around map position (-2.4, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00614831 Jy ! Component: 100 - total flux cleaned = 0.00985457 Jy ! Total flux subtracted in 100 components = 0.00985457 Jy ! Clean residual min=-0.003280 max=0.004093 Jy/beam ! Clean residual mean=-0.000001 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.17273 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 43 components and 0.17273 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=0.054727Jy sigma=1.235262 ! Fit after self-cal, rms=0.054664Jy sigma=1.233777 ! 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=0.9191 mas, bmaj=2.24 mas, bpa=-9.859 degrees ! Estimated noise=0.161241 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 = 0.00585528 Jy ! Component: 100 - total flux cleaned = 0.0098626 Jy ! Component: 150 - total flux cleaned = 0.0128731 Jy ! Component: 200 - total flux cleaned = 0.0151978 Jy ! Total flux subtracted in 200 components = 0.0151978 Jy ! Clean residual min=-0.003046 max=0.003859 Jy/beam ! Clean residual mean=-0.000002 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.187927 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 82 components and 0.187928 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=0.053943Jy sigma=1.212514 ! Fit after self-cal, rms=0.053892Jy sigma=1.211179 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9191 x 2.24 at -9.859 degrees (North through East) ! Clean map min=-0.0028806 max=0.11878 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 1.04 ! LA 0.95 MK 1.04 NL 1.13 OV 0.91 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.95 KP 1.03 ! LA 0.94 MK 1.05 NL 1.12 OV 0.91 ! PT 0.99 SC 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.96 KP 1.04 ! LA 0.94 MK 1.01 NL 1.14 OV 0.91 ! PT 0.99 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.95 KP 1.03 ! LA 0.93 MK 1.03 NL 1.13 OV 0.91 ! PT 0.99 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.95 KP 1.02 ! LA 0.93 MK 1.02 NL 1.11 OV 0.92 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.93 KP 1.03 ! LA 0.94 MK 1.02 NL 1.10 OV 0.93 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.93 KP 1.04 ! LA 0.93 MK 1.05 NL 1.13 OV 0.93 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.94 KP 1.06 ! LA 0.94 MK 1.05 NL 1.09 OV 0.93 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.94 KP 1.04 ! LA 0.92 MK 1.01 NL 1.11 OV 0.90 ! PT 1.00 SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.93 KP 1.04 ! LA 0.95 MK 1.04 NL 1.11 OV 0.91 ! PT 1.00 SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.92 KP 1.03 ! LA 0.94 MK 1.02 NL 1.10 OV 0.92 ! PT 0.99 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.94 KP 1.02 ! LA 0.95 MK 1.01 NL 1.11 OV 0.92 ! PT 0.98 SC 0.95 ! ! ! Fit before self-cal, rms=0.053892Jy sigma=1.211179 ! Fit after self-cal, rms=0.051933Jy sigma=1.181453 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9202 mas, bmaj=2.255 mas, bpa=-9.397 degrees ! Estimated noise=0.159814 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.75653e-05 Jy ! Component: 100 - total flux cleaned = -0.000185488 Jy ! Component: 150 - total flux cleaned = -0.000337379 Jy ! Component: 200 - total flux cleaned = -0.000399764 Jy ! Total flux subtracted in 200 components = -0.000399764 Jy ! Clean residual min=-0.001232 max=0.001081 Jy/beam ! Clean residual mean=-0.000003 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.187528 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 91 components and 0.187528 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=0.051842Jy sigma=1.179575 ! Fit after self-cal, rms=0.051868Jy sigma=1.179162 ! 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=0.051868Jy sigma=1.179162 ! Fit after self-cal, rms=0.051742Jy sigma=1.177050 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9189 mas, bmaj=2.254 mas, bpa=-9.407 degrees ! Estimated noise=0.159663 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.59881e-05 Jy ! Component: 100 - total flux cleaned = -6.51431e-05 Jy ! Component: 150 - total flux cleaned = -0.000108581 Jy ! Component: 200 - total flux cleaned = -0.000149035 Jy ! Total flux subtracted in 200 components = -0.000149035 Jy ! Clean residual min=-0.000928 max=0.001131 Jy/beam ! Clean residual mean=-0.000002 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.187379 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 96 components and 0.187379 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=0.051715Jy sigma=1.176523 ! Fit after self-cal, rms=0.051716Jy sigma=1.176460 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 (-18.2, 8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000863055 Jy ! Component: 100 - total flux cleaned = 0.00121287 Jy ! Component: 150 - total flux cleaned = 0.00144088 Jy ! Component: 200 - total flux cleaned = 0.00152199 Jy ! Total flux subtracted in 200 components = 0.00152199 Jy ! Clean residual min=-0.000903 max=0.000923 Jy/beam ! Clean residual mean=-0.000001 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.188901 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 118 components and 0.188901 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=0.051687Jy sigma=1.175832 ! Fit after self-cal, rms=0.051684Jy sigma=1.175795 ! 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=0.051684Jy sigma=1.175795 ! Fit after self-cal, rms=0.051649Jy sigma=1.173683 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9184 mas, bmaj=2.253 mas, bpa=-9.376 degrees ! Estimated noise=0.159601 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.76248e-05 Jy ! Component: 100 - total flux cleaned = -1.15261e-05 Jy ! Component: 150 - total flux cleaned = 2.0543e-05 Jy ! Component: 200 - total flux cleaned = 4.97946e-05 Jy ! Total flux subtracted in 200 components = 4.97946e-05 Jy ! Clean residual min=-0.000752 max=0.000722 Jy/beam ! Clean residual mean=-0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.188951 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 124 components and 0.188951 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=0.051637Jy sigma=1.173474 ! Fit after self-cal, rms=0.051640Jy sigma=1.173442 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 = 7.72096e-07 Jy ! Component: 100 - total flux cleaned = 1.41114e-05 Jy ! Component: 150 - total flux cleaned = 2.66372e-05 Jy ! Component: 200 - total flux cleaned = 1.51201e-05 Jy ! Total flux subtracted in 200 components = 1.51201e-05 Jy ! Clean residual min=-0.000755 max=0.000718 Jy/beam ! Clean residual mean=-0.000000 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.188966 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 131 components and 0.188966 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=0.051633Jy sigma=1.173319 ! Fit after self-cal, rms=0.051633Jy sigma=1.173307 ! 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=0.051633Jy sigma=1.173307 ! Fit after self-cal, rms=0.051591Jy sigma=1.173284 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.093 mas, bmaj=3.003 mas, bpa=-4.557 degrees ! Estimated noise=0.194977 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.71663e-05 Jy ! Component: 100 - total flux cleaned = -0.000113845 Jy ! Component: 150 - total flux cleaned = -0.000168546 Jy ! Component: 200 - total flux cleaned = -0.000208361 Jy ! Total flux subtracted in 200 components = -0.000208361 Jy ! Clean residual min=-0.000777 max=0.000762 Jy/beam ! Clean residual mean=-0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.188757 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 144 components and 0.188757 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=0.051590Jy sigma=1.173239 ! Fit after self-cal, rms=0.051589Jy sigma=1.173229 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 = -7.05328e-06 Jy ! Component: 100 - total flux cleaned = -4.39378e-05 Jy ! Component: 150 - total flux cleaned = -6.07663e-05 Jy ! Component: 200 - total flux cleaned = -7.64756e-05 Jy ! Total flux subtracted in 200 components = -7.64756e-05 Jy ! Clean residual min=-0.000762 max=0.000766 Jy/beam ! Clean residual mean=-0.000001 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.188681 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 154 components and 0.188681 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=0.051588Jy sigma=1.173202 ! Fit after self-cal, rms=0.051587Jy sigma=1.173195 ! 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=2.253 mas, bpa=-9.344 degrees ! Estimated noise=0.159502 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9176 x 2.253 at -9.344 degrees (North through East) ! Clean map min=-0.00071275 max=0.11721 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=0.7153 mas, bmaj=1.975 mas, bpa=-10.2 degrees ! Estimated noise=0.300445 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0852994 Jy ! Component: 100 - total flux cleaned = 0.121547 Jy ! Component: 150 - total flux cleaned = 0.140525 Jy ! Component: 200 - total flux cleaned = 0.151461 Jy ! Total flux subtracted in 200 components = 0.151461 Jy ! Clean residual min=-0.002285 max=0.005903 Jy/beam ! Clean residual mean=-0.000003 rms=0.000691 Jy/beam ! Combined flux in latest and established models = 0.151461 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.151461 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9176 mas, bmaj=2.253 mas, bpa=-9.344 degrees ! Estimated noise=0.159502 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 = 0.0120093 Jy ! Component: 100 - total flux cleaned = 0.0190802 Jy ! Component: 150 - total flux cleaned = 0.0235468 Jy ! Component: 200 - total flux cleaned = 0.0264883 Jy ! Total flux subtracted in 200 components = 0.0264883 Jy ! Clean residual min=-0.000993 max=0.001661 Jy/beam ! Clean residual mean=-0.000004 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.177949 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 47 components and 0.177949 Jy ! Inverting map ! Added new window around map position (0.8, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208384 Jy ! Component: 100 - total flux cleaned = 0.00365241 Jy ! Component: 150 - total flux cleaned = 0.0049076 Jy ! Component: 200 - total flux cleaned = 0.00592567 Jy ! Total flux subtracted in 200 components = 0.00592567 Jy ! Clean residual min=-0.000879 max=0.000992 Jy/beam ! Clean residual mean=-0.000002 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.183875 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 79 components and 0.183875 Jy ! Inverting map ! Added new window around map position (-3.6, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101221 Jy ! Component: 100 - total flux cleaned = 0.00165484 Jy ! Component: 150 - total flux cleaned = 0.00215833 Jy ! Component: 200 - total flux cleaned = 0.00255926 Jy ! Total flux subtracted in 200 components = 0.00255926 Jy ! Clean residual min=-0.000787 max=0.000723 Jy/beam ! Clean residual mean=-0.000001 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.186434 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 121 components and 0.186434 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=2.093 mas, bmaj=3.003 mas, bpa=-4.557 degrees ! Estimated noise=0.194977 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000783016 Jy ! Component: 100 - total flux cleaned = 0.00133412 Jy ! Component: 150 - total flux cleaned = 0.00164515 Jy ! Component: 200 - total flux cleaned = 0.00180225 Jy ! Total flux subtracted in 200 components = 0.00180225 Jy ! Clean residual min=-0.000763 max=0.000722 Jy/beam ! Clean residual mean=-0.000002 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.188237 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 = 0.000135706 Jy ! Component: 100 - total flux cleaned = 0.000189697 Jy ! Component: 150 - total flux cleaned = 0.000229202 Jy ! Component: 200 - total flux cleaned = 0.000274781 Jy ! Total flux subtracted in 200 components = 0.000274781 Jy ! Clean residual min=-0.000739 max=0.000700 Jy/beam ! Clean residual mean=-0.000002 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.188511 Jy ! Adding 85 model components to the UV plane model. ! The established model now contains 179 components and 0.188511 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9176 mas, bmaj=2.253 mas, bpa=-9.344 degrees ! Estimated noise=0.159502 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.19486e-05 Jy ! Component: 100 - total flux cleaned = -7.30216e-05 Jy ! Component: 150 - total flux cleaned = 1.56006e-05 Jy ! Component: 200 - total flux cleaned = 6.92908e-05 Jy ! Total flux subtracted in 200 components = 6.92908e-05 Jy ! Clean residual min=-0.000739 max=0.000705 Jy/beam ! Clean residual mean=-0.000001 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.188581 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 195 components and 0.188581 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=0.051560Jy sigma=1.172608 ! Fit after self-cal, rms=0.051557Jy sigma=1.172520 wmodel J1656+1826_X_map.mod ! Writing 195 model components to file: J1656+1826_X_map.mod wobs J1656+1826_X_uvs.fits ! Writing UV FITS file: J1656+1826_X_uvs.fits wwins J1656+1826_X_map.win ! wwins: Wrote 6 windows to J1656+1826_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 = -0.000138348 Jy ! Component: 100 - total flux cleaned = -0.000270915 Jy ! Component: 150 - total flux cleaned = -0.00039756 Jy ! Component: 200 - total flux cleaned = -0.000486532 Jy ! Component: 250 - total flux cleaned = -0.000550988 Jy ! Component: 300 - total flux cleaned = -0.000582473 Jy ! Component: 350 - total flux cleaned = -0.000603109 Jy ! Component: 400 - total flux cleaned = -0.000643412 Jy ! Component: 450 - total flux cleaned = -0.000673138 Jy ! Component: 500 - total flux cleaned = -0.000721693 Jy ! Component: 550 - total flux cleaned = -0.000740792 Jy ! Component: 600 - total flux cleaned = -0.000778349 Jy ! Component: 650 - total flux cleaned = -0.000787498 Jy ! Component: 700 - total flux cleaned = -0.000778447 Jy ! Component: 750 - total flux cleaned = -0.000833004 Jy ! Component: 800 - total flux cleaned = -0.000850843 Jy ! Component: 850 - total flux cleaned = -0.000895236 Jy ! Component: 900 - total flux cleaned = -0.000903998 Jy ! Component: 950 - total flux cleaned = -0.000903975 Jy ! Component: 1000 - total flux cleaned = -0.000903985 Jy ! Component: 1050 - total flux cleaned = -0.000921043 Jy ! Component: 1100 - total flux cleaned = -0.000887251 Jy ! Component: 1150 - total flux cleaned = -0.000937497 Jy ! Component: 1200 - total flux cleaned = -0.000920816 Jy ! Component: 1250 - total flux cleaned = -0.000929031 Jy ! Component: 1300 - total flux cleaned = -0.00093716 Jy ! Component: 1350 - total flux cleaned = -0.000929015 Jy ! Component: 1400 - total flux cleaned = -0.000920974 Jy ! Component: 1450 - total flux cleaned = -0.000928922 Jy ! Component: 1500 - total flux cleaned = -0.000944766 Jy ! Component: 1550 - total flux cleaned = -0.00095268 Jy ! Component: 1600 - total flux cleaned = -0.000952549 Jy ! Component: 1650 - total flux cleaned = -0.00094487 Jy ! Component: 1700 - total flux cleaned = -0.000952567 Jy ! Component: 1750 - total flux cleaned = -0.00094492 Jy ! Component: 1800 - total flux cleaned = -0.000960029 Jy ! Component: 1850 - total flux cleaned = -0.000944984 Jy ! Component: 1900 - total flux cleaned = -0.000989717 Jy ! Component: 1950 - total flux cleaned = -0.000989744 Jy ! Component: 2000 - total flux cleaned = -0.00100447 Jy ! Component: 2050 - total flux cleaned = -0.000989854 Jy ! Component: 2100 - total flux cleaned = -0.00101899 Jy ! Component: 2150 - total flux cleaned = -0.00106234 Jy ! Component: 2200 - total flux cleaned = -0.00107668 Jy ! Component: 2250 - total flux cleaned = -0.00108372 Jy ! Component: 2300 - total flux cleaned = -0.00107665 Jy ! Component: 2350 - total flux cleaned = -0.00109778 Jy ! Component: 2400 - total flux cleaned = -0.00111873 Jy ! Component: 2450 - total flux cleaned = -0.00114659 Jy ! Component: 2500 - total flux cleaned = -0.0011396 Jy ! Component: 2550 - total flux cleaned = -0.00115326 Jy ! Component: 2600 - total flux cleaned = -0.00119431 Jy ! Component: 2650 - total flux cleaned = -0.00118753 Jy ! Component: 2700 - total flux cleaned = -0.00119436 Jy ! Component: 2750 - total flux cleaned = -0.00122129 Jy ! Component: 2800 - total flux cleaned = -0.00125476 Jy ! Component: 2850 - total flux cleaned = -0.00126805 Jy ! Component: 2900 - total flux cleaned = -0.00127466 Jy ! Component: 2950 - total flux cleaned = -0.00131412 Jy ! Component: 3000 - total flux cleaned = -0.00130761 Jy ! Component: 3050 - total flux cleaned = -0.00134022 Jy ! Component: 3100 - total flux cleaned = -0.00135316 Jy ! Component: 3150 - total flux cleaned = -0.00136603 Jy ! Component: 3200 - total flux cleaned = -0.00139805 Jy ! Component: 3250 - total flux cleaned = -0.00140449 Jy ! Component: 3300 - total flux cleaned = -0.0014172 Jy ! Component: 3350 - total flux cleaned = -0.00142353 Jy ! Component: 3400 - total flux cleaned = -0.00144868 Jy ! Component: 3450 - total flux cleaned = -0.00146121 Jy ! Component: 3500 - total flux cleaned = -0.00149856 Jy ! Component: 3550 - total flux cleaned = -0.00150473 Jy ! Component: 3600 - total flux cleaned = -0.00152331 Jy ! Component: 3650 - total flux cleaned = -0.00152334 Jy ! Component: 3700 - total flux cleaned = -0.00154779 Jy ! Component: 3750 - total flux cleaned = -0.00155996 Jy ! Component: 3800 - total flux cleaned = -0.00157207 Jy ! Component: 3850 - total flux cleaned = -0.00156601 Jy ! Component: 3900 - total flux cleaned = -0.00157205 Jy ! Component: 3950 - total flux cleaned = -0.00158994 Jy ! Component: 4000 - total flux cleaned = -0.00160776 Jy ! Component: 4050 - total flux cleaned = -0.0016137 Jy ! Total flux subtracted in 4096 components = -0.00162549 Jy ! Clean residual min=-0.000345 max=0.000364 Jy/beam ! Clean residual mean=-0.000001 rms=0.000104 Jy/beam ! Combined flux in latest and established models = 0.186955 Jy keep ! Adding 305 model components to the UV plane model. ! The established model now contains 500 components and 0.186955 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1656+1826_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9176 x 2.253 at -9.344 degrees (North through East) ! Clean map min=-0.00059454 max=0.1173 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1656+1826_X_map.fits wmodel /vlbi/uf001/uva//J1656+1826_X_map.mod ! Writing 500 model components to file: /vlbi/uf001/uva//J1656+1826_X_map.mod wobs /vlbi/uf001/uva//J1656+1826_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1656+1826_X_uvs.fits wwins /vlbi/uf001/uva//J1656+1826_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J1656+1826_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.117304 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000103805 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.265476 0.265476 0.530951 1.0619 2.12381 4.24761 8.49522 16.9904 33.9809 67.9618 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.117 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1130.05 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1656+1826_X_dfm.log closed on Mon Jan 14 03:57:21 2019