! Started logfile: /vlbi/uf001/uva//J2256+2301_X_dfm.log on Mon Jan 14 06:28:04 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//J2256+2301_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2256+2301_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.932407 visibilities/baseline/integration-bin. ! Found source: J2256+2301 ! ! 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 36252 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 J2256+2301_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 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003632Jy sigma=21.309804 ! Fit after self-cal, rms=0.954244Jy sigma=20.207389 ! 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=0.7 mas, bmaj=1.628 mas, bpa=-6.797 degrees ! Estimated noise=0.339466 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 = 0.0348775 Jy ! Component: 100 - total flux cleaned = 0.0436457 Jy ! Total flux subtracted in 100 components = 0.0436457 Jy ! Clean residual min=-0.003570 max=0.008027 Jy/beam ! Clean residual mean=0.000013 rms=0.000863 Jy/beam ! Combined flux in latest and established models = 0.0436457 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0436457 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=0.069144Jy sigma=1.353873 ! Fit after self-cal, rms=0.067898Jy sigma=1.327546 ! Inverting map ! Added new window around map position (-1.8, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00777451 Jy ! Component: 100 - total flux cleaned = 0.0124805 Jy ! Total flux subtracted in 100 components = 0.0124805 Jy ! Clean residual min=-0.003507 max=0.004742 Jy/beam ! Clean residual mean=0.000009 rms=0.000724 Jy/beam ! Combined flux in latest and established models = 0.0561262 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 0.0561262 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=0.066576Jy sigma=1.291013 ! Fit after self-cal, rms=0.066457Jy sigma=1.287082 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00463795 Jy ! Component: 100 - total flux cleaned = 0.00770602 Jy ! Total flux subtracted in 100 components = 0.00770602 Jy ! Clean residual min=-0.003052 max=0.004148 Jy/beam ! Clean residual mean=0.000007 rms=0.000652 Jy/beam ! Combined flux in latest and established models = 0.0638322 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 25 components and 0.0638322 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=0.065907Jy sigma=1.271604 ! Fit after self-cal, rms=0.065884Jy sigma=1.270419 ! Inverting map ! Added new window around map position (-4.2, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0041495 Jy ! Component: 100 - total flux cleaned = 0.00690323 Jy ! Total flux subtracted in 100 components = 0.00690323 Jy ! Clean residual min=-0.002715 max=0.003073 Jy/beam ! Clean residual mean=0.000007 rms=0.000586 Jy/beam ! Combined flux in latest and established models = 0.0707354 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 34 components and 0.0707354 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=0.065466Jy sigma=1.259068 ! Fit after self-cal, rms=0.065438Jy sigma=1.258238 ! 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=0.8898 mas, bmaj=1.936 mas, bpa=-5.269 degrees ! Estimated noise=0.179409 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 = 0.0049741 Jy ! Component: 100 - total flux cleaned = 0.0085952 Jy ! Component: 150 - total flux cleaned = 0.0115539 Jy ! Component: 200 - total flux cleaned = 0.0140236 Jy ! Total flux subtracted in 200 components = 0.0140236 Jy ! Clean residual min=-0.003160 max=0.003616 Jy/beam ! Clean residual mean=0.000009 rms=0.000703 Jy/beam ! Combined flux in latest and established models = 0.084759 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 66 components and 0.084759 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=0.064970Jy sigma=1.244205 ! Fit after self-cal, rms=0.064956Jy sigma=1.243072 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8898 x 1.936 at -5.269 degrees (North through East) ! Clean map min=-0.003064 max=0.048238 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.12 HN 1.05 KP 1.04 ! LA 0.74 MK 1.07 NL 1.18 OV 1.04 ! PT 0.97 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.13 HN 1.01 KP 1.04 ! LA 0.75 MK 1.05 NL 1.17 OV 0.99 ! PT 0.91 SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.11 HN 1.04 KP 1.07 ! LA 0.77 MK 1.01 NL 1.21 OV 1.06 ! PT 0.90 SC 1.05 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.07 HN 1.05 KP 1.08 ! LA 0.75 MK 1.01 NL 1.21 OV 1.00 ! PT 0.97 SC 1.07 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.11 HN 1.06 KP 1.03 ! LA 0.75 MK 1.04 NL 1.12 OV 1.02 ! PT 0.96 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.12 HN 1.03 KP 1.10 ! LA 0.74 MK 1.02 NL 1.10 OV 0.99 ! PT 0.96 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.09 HN 0.97 KP 1.06 ! LA 0.75 MK 1.05 NL 1.13 OV 1.04 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.07 HN 1.03 KP 1.04 ! LA 0.75 MK 1.09 NL 1.08 OV 1.03 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.07 HN 0.93 KP 1.04 ! LA 0.73 MK 1.00 NL 1.14 OV 0.99 ! PT 0.97 SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.01 HN 1.00 KP 1.05 ! LA 0.76 MK 0.98 NL 1.14 OV 1.03 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.08 HN 1.02 KP 1.06 ! LA 0.71 MK 0.98 NL 1.17 OV 0.99 ! PT 0.97 SC 0.90 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.04 HN 1.02 KP 0.98 ! LA 0.77 MK 1.05 NL 1.13 OV 0.98 ! PT 0.96 SC 0.90 ! ! ! Fit before self-cal, rms=0.064956Jy sigma=1.243072 ! Fit after self-cal, rms=0.066299Jy sigma=1.220767 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8989 mas, bmaj=1.979 mas, bpa=-4.981 degrees ! Estimated noise=0.178659 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 (-5.6, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187936 Jy ! Component: 100 - total flux cleaned = 0.0023989 Jy ! Component: 150 - total flux cleaned = 0.0023423 Jy ! Component: 200 - total flux cleaned = 0.00224519 Jy ! Total flux subtracted in 200 components = 0.00224519 Jy ! Clean residual min=-0.001141 max=0.001229 Jy/beam ! Clean residual mean=0.000002 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.0870042 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 86 components and 0.0870042 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=0.066250Jy sigma=1.219192 ! Fit after self-cal, rms=0.066680Jy sigma=1.216557 ! 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=0.066680Jy sigma=1.216557 ! Fit after self-cal, rms=0.070779Jy sigma=1.212575 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9011 mas, bmaj=1.979 mas, bpa=-5.061 degrees ! Estimated noise=0.181049 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000419986 Jy ! Component: 100 - total flux cleaned = 0.000370554 Jy ! Component: 150 - total flux cleaned = 0.000371077 Jy ! Component: 200 - total flux cleaned = 0.000406642 Jy ! Total flux subtracted in 200 components = 0.000406642 Jy ! Clean residual min=-0.000897 max=0.001131 Jy/beam ! Clean residual mean=0.000001 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0874108 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 100 components and 0.0874108 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=0.070764Jy sigma=1.212204 ! Fit after self-cal, rms=0.070891Jy sigma=1.211930 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 (23.6, -35.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000590554 Jy ! Component: 100 - total flux cleaned = 0.000611911 Jy ! Component: 150 - total flux cleaned = 0.000647887 Jy ! Component: 200 - total flux cleaned = 0.000583602 Jy ! Total flux subtracted in 200 components = 0.000583602 Jy ! Clean residual min=-0.000891 max=0.000923 Jy/beam ! Clean residual mean=0.000000 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0879944 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 114 components and 0.0879944 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=0.070872Jy sigma=1.211555 ! Fit after self-cal, rms=0.070878Jy sigma=1.211506 ! 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=0.070878Jy sigma=1.211506 ! Fit after self-cal, rms=0.071517Jy sigma=1.211410 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9005 mas, bmaj=1.978 mas, bpa=-4.998 degrees ! Estimated noise=0.180841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000287718 Jy ! Component: 100 - total flux cleaned = 0.0002699 Jy ! Component: 150 - total flux cleaned = 0.00027012 Jy ! Component: 200 - total flux cleaned = 0.000270411 Jy ! Total flux subtracted in 200 components = 0.000270411 Jy ! Clean residual min=-0.000873 max=0.000892 Jy/beam ! Clean residual mean=0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0882648 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 119 components and 0.0882648 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=0.071508Jy sigma=1.211235 ! Fit after self-cal, rms=0.071535Jy sigma=1.211211 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 = 5.24768e-05 Jy ! Component: 100 - total flux cleaned = 8.70567e-06 Jy ! Component: 150 - total flux cleaned = -5.02978e-06 Jy ! Component: 200 - total flux cleaned = -5.62367e-05 Jy ! Total flux subtracted in 200 components = -5.62367e-05 Jy ! Clean residual min=-0.000874 max=0.000892 Jy/beam ! Clean residual mean=0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0882086 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 121 components and 0.0882086 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=0.071528Jy sigma=1.211120 ! Fit after self-cal, rms=0.071530Jy sigma=1.211111 ! 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=0.071530Jy sigma=1.211111 ! Fit after self-cal, rms=0.071654Jy sigma=1.211097 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.106 mas, bmaj=3.061 mas, bpa=-5.174 degrees ! Estimated noise=0.215008 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.45118e-05 Jy ! Component: 100 - total flux cleaned = 9.81054e-05 Jy ! Component: 150 - total flux cleaned = 0.000120972 Jy ! Component: 200 - total flux cleaned = 0.000131011 Jy ! Total flux subtracted in 200 components = 0.000131011 Jy ! Clean residual min=-0.001043 max=0.001006 Jy/beam ! Clean residual mean=0.000001 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.0883396 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 131 components and 0.0883396 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=0.071652Jy sigma=1.211036 ! Fit after self-cal, rms=0.071660Jy sigma=1.211018 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.94357e-05 Jy ! Component: 100 - total flux cleaned = 7.14174e-05 Jy ! Component: 150 - total flux cleaned = 9.09417e-05 Jy ! Component: 200 - total flux cleaned = 0.000126215 Jy ! Total flux subtracted in 200 components = 0.000126215 Jy ! Clean residual min=-0.001053 max=0.000991 Jy/beam ! Clean residual mean=0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0884658 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 138 components and 0.0884658 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=0.071659Jy sigma=1.210994 ! Fit after self-cal, rms=0.071659Jy sigma=1.210986 ! 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=0.8997 mas, bmaj=1.978 mas, bpa=-4.954 degrees ! Estimated noise=0.180635 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8997 x 1.978 at -4.954 degrees (North through East) ! Clean map min=-0.00082115 max=0.04741 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=0.7029 mas, bmaj=1.645 mas, bpa=-6.589 degrees ! Estimated noise=0.349423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0362834 Jy ! Component: 100 - total flux cleaned = 0.0484182 Jy ! Component: 150 - total flux cleaned = 0.0557692 Jy ! Component: 200 - total flux cleaned = 0.0610908 Jy ! Total flux subtracted in 200 components = 0.0610908 Jy ! Clean residual min=-0.002226 max=0.003042 Jy/beam ! Clean residual mean=0.000006 rms=0.000538 Jy/beam ! Combined flux in latest and established models = 0.0610908 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0610908 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8997 mas, bmaj=1.978 mas, bpa=-4.954 degrees ! Estimated noise=0.180635 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 = 0.0066011 Jy ! Component: 100 - total flux cleaned = 0.0112623 Jy ! Component: 150 - total flux cleaned = 0.0146479 Jy ! Component: 200 - total flux cleaned = 0.0171762 Jy ! Total flux subtracted in 200 components = 0.0171762 Jy ! Clean residual min=-0.001375 max=0.001729 Jy/beam ! Clean residual mean=0.000004 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.078267 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 49 components and 0.078267 Jy ! Inverting map ! Added new window around map position (-3, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00203752 Jy ! Component: 100 - total flux cleaned = 0.00368012 Jy ! Component: 150 - total flux cleaned = 0.00504373 Jy ! Component: 200 - total flux cleaned = 0.00605488 Jy ! Total flux subtracted in 200 components = 0.00605488 Jy ! Clean residual min=-0.001094 max=0.000944 Jy/beam ! Clean residual mean=0.000002 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.0843219 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 79 components and 0.0843219 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=2.106 mas, bmaj=3.061 mas, bpa=-5.174 degrees ! Estimated noise=0.215008 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00163407 Jy ! Component: 100 - total flux cleaned = 0.00266741 Jy ! Component: 150 - total flux cleaned = 0.00316875 Jy ! Component: 200 - total flux cleaned = 0.00352211 Jy ! Total flux subtracted in 200 components = 0.00352211 Jy ! Clean residual min=-0.001083 max=0.000885 Jy/beam ! Clean residual mean=0.000002 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.087844 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 = 0.000252742 Jy ! Component: 100 - total flux cleaned = 0.000435873 Jy ! Component: 150 - total flux cleaned = 0.000517082 Jy ! Component: 200 - total flux cleaned = 0.000591247 Jy ! Total flux subtracted in 200 components = 0.000591247 Jy ! Clean residual min=-0.001041 max=0.000900 Jy/beam ! Clean residual mean=0.000002 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.0884352 Jy ! Adding 87 model components to the UV plane model. ! The established model now contains 154 components and 0.0884352 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8997 mas, bmaj=1.978 mas, bpa=-4.954 degrees ! Estimated noise=0.180635 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000191849 Jy ! Component: 100 - total flux cleaned = -0.000213569 Jy ! Component: 150 - total flux cleaned = -0.00023212 Jy ! Component: 200 - total flux cleaned = -0.000264192 Jy ! Total flux subtracted in 200 components = -0.000264192 Jy ! Clean residual min=-0.000957 max=0.000833 Jy/beam ! Clean residual mean=0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.088171 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 173 components and 0.088171 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=0.071662Jy sigma=1.210960 ! Fit after self-cal, rms=0.071651Jy sigma=1.210841 wmodel J2256+2301_X_map.mod ! Writing 173 model components to file: J2256+2301_X_map.mod wobs J2256+2301_X_uvs.fits ! Writing UV FITS file: J2256+2301_X_uvs.fits wwins J2256+2301_X_map.win ! wwins: Wrote 6 windows to J2256+2301_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 = -0.000293947 Jy ! Component: 100 - total flux cleaned = -0.000536298 Jy ! Component: 150 - total flux cleaned = -0.000667967 Jy ! Component: 200 - total flux cleaned = -0.00075313 Jy ! Component: 250 - total flux cleaned = -0.000821819 Jy ! Component: 300 - total flux cleaned = -0.000821619 Jy ! Component: 350 - total flux cleaned = -0.000808662 Jy ! Component: 400 - total flux cleaned = -0.000809009 Jy ! Component: 450 - total flux cleaned = -0.000822114 Jy ! Component: 500 - total flux cleaned = -0.000797192 Jy ! Component: 550 - total flux cleaned = -0.000797221 Jy ! Component: 600 - total flux cleaned = -0.000772891 Jy ! Component: 650 - total flux cleaned = -0.000760841 Jy ! Component: 700 - total flux cleaned = -0.000701401 Jy ! Component: 750 - total flux cleaned = -0.000630938 Jy ! Component: 800 - total flux cleaned = -0.000573073 Jy ! Component: 850 - total flux cleaned = -0.000538749 Jy ! Component: 900 - total flux cleaned = -0.00044824 Jy ! Component: 950 - total flux cleaned = -0.000448287 Jy ! Component: 1000 - total flux cleaned = -0.000414895 Jy ! Component: 1050 - total flux cleaned = -0.000392977 Jy ! Component: 1100 - total flux cleaned = -0.000360445 Jy ! Component: 1150 - total flux cleaned = -0.000360269 Jy ! Component: 1200 - total flux cleaned = -0.000328276 Jy ! Component: 1250 - total flux cleaned = -0.000307087 Jy ! Component: 1300 - total flux cleaned = -0.000328021 Jy ! Component: 1350 - total flux cleaned = -0.000327951 Jy ! Component: 1400 - total flux cleaned = -0.000317501 Jy ! Component: 1450 - total flux cleaned = -0.000317566 Jy ! Component: 1500 - total flux cleaned = -0.000317445 Jy ! Component: 1550 - total flux cleaned = -0.000297189 Jy ! Component: 1600 - total flux cleaned = -0.000287201 Jy ! Component: 1650 - total flux cleaned = -0.000267368 Jy ! Component: 1700 - total flux cleaned = -0.000277288 Jy ! Component: 1750 - total flux cleaned = -0.000277272 Jy ! Component: 1800 - total flux cleaned = -0.000248151 Jy ! Component: 1850 - total flux cleaned = -0.000219178 Jy ! Component: 1900 - total flux cleaned = -0.000228896 Jy ! Component: 1950 - total flux cleaned = -0.000219418 Jy ! Component: 2000 - total flux cleaned = -0.000257251 Jy ! Component: 2050 - total flux cleaned = -0.000247856 Jy ! Component: 2100 - total flux cleaned = -0.000201167 Jy ! Component: 2150 - total flux cleaned = -0.000182611 Jy ! Component: 2200 - total flux cleaned = -0.000201072 Jy ! Component: 2250 - total flux cleaned = -0.000146245 Jy ! Component: 2300 - total flux cleaned = -0.000173487 Jy ! Component: 2350 - total flux cleaned = -0.000155425 Jy ! Component: 2400 - total flux cleaned = -0.000146256 Jy ! Component: 2450 - total flux cleaned = -0.000146236 Jy ! Component: 2500 - total flux cleaned = -0.000146217 Jy ! Component: 2550 - total flux cleaned = -0.000128576 Jy ! Component: 2600 - total flux cleaned = -0.000102183 Jy ! Component: 2650 - total flux cleaned = -0.000119759 Jy ! Component: 2700 - total flux cleaned = -0.000102359 Jy ! Component: 2750 - total flux cleaned = -0.00014557 Jy ! Component: 2800 - total flux cleaned = -0.00011982 Jy ! Component: 2850 - total flux cleaned = -0.000153963 Jy ! Component: 2900 - total flux cleaned = -0.000128459 Jy ! Component: 2950 - total flux cleaned = -0.000162275 Jy ! Component: 3000 - total flux cleaned = -0.000179143 Jy ! Component: 3050 - total flux cleaned = -0.000170736 Jy ! Component: 3100 - total flux cleaned = -0.000137427 Jy ! Component: 3150 - total flux cleaned = -0.000170589 Jy ! Component: 3200 - total flux cleaned = -0.000170642 Jy ! Component: 3250 - total flux cleaned = -0.000195247 Jy ! Component: 3300 - total flux cleaned = -0.000203458 Jy ! Component: 3350 - total flux cleaned = -0.000195389 Jy ! Component: 3400 - total flux cleaned = -0.000154962 Jy ! Component: 3450 - total flux cleaned = -0.000195231 Jy ! Component: 3500 - total flux cleaned = -0.000219251 Jy ! Component: 3550 - total flux cleaned = -0.000211317 Jy ! Component: 3600 - total flux cleaned = -0.000227245 Jy ! Component: 3650 - total flux cleaned = -0.000243064 Jy ! Component: 3700 - total flux cleaned = -0.000211588 Jy ! Component: 3750 - total flux cleaned = -0.000203806 Jy ! Component: 3800 - total flux cleaned = -0.000149256 Jy ! Component: 3850 - total flux cleaned = -0.000226924 Jy ! Component: 3900 - total flux cleaned = -0.000172816 Jy ! Component: 3950 - total flux cleaned = -0.000195928 Jy ! Component: 4000 - total flux cleaned = -0.000226524 Jy ! Component: 4050 - total flux cleaned = -0.000211332 Jy ! Total flux subtracted in 4096 components = -0.000196095 Jy ! Clean residual min=-0.000450 max=0.000453 Jy/beam ! Clean residual mean=0.000000 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.087975 Jy keep ! Adding 322 model components to the UV plane model. ! The established model now contains 495 components and 0.0879749 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2256+2301_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8997 x 1.978 at -4.954 degrees (North through East) ! Clean map min=-0.00072257 max=0.047486 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2256+2301_X_map.fits wmodel /vlbi/uf001/uva//J2256+2301_X_map.mod ! Writing 495 model components to file: /vlbi/uf001/uva//J2256+2301_X_map.mod wobs /vlbi/uf001/uva//J2256+2301_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2256+2301_X_uvs.fits wwins /vlbi/uf001/uva//J2256+2301_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J2256+2301_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0474865 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000132039 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.834168 0.834168 1.66834 3.33667 6.67335 13.3467 26.6934 53.3868 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.047 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 359.639 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2256+2301_X_dfm.log closed on Mon Jan 14 06:28:10 2019