! Started logfile: /vlbi/uf001/uva//J1951+5727_X_dfm.log on Mon Jan 14 05:16:09 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//J1951+5727_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1951+5727_X_uva.fits ! AN table 1: 57 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.738095 visibilities/baseline/integration-bin. ! Found source: J1951+5727 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 14136 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 J1951+5727_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 89 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.018296Jy sigma=168.382598 ! Fit after self-cal, rms=0.909605Jy sigma=166.739552 ! 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=1.237 mas, bmaj=1.934 mas, bpa=8.313 degrees ! Estimated noise=0.137227 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 = 0.018896 Jy ! Component: 100 - total flux cleaned = 0.0303593 Jy ! Total flux subtracted in 100 components = 0.0303593 Jy ! Clean residual min=-0.009704 max=0.013600 Jy/beam ! Clean residual mean=0.000031 rms=0.002733 Jy/beam ! Combined flux in latest and established models = 0.0303593 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0303593 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=0.157589Jy sigma=4.712779 ! Fit after self-cal, rms=0.151667Jy sigma=4.521672 ! Inverting map ! Added new window around map position (-10.2, 10.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0207394 Jy ! Component: 100 - total flux cleaned = 0.0372915 Jy ! Total flux subtracted in 100 components = 0.0372915 Jy ! Clean residual min=-0.009920 max=0.014702 Jy/beam ! Clean residual mean=0.000012 rms=0.003089 Jy/beam ! Combined flux in latest and established models = 0.0676508 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 0.0676508 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=0.133983Jy sigma=4.803467 ! Fit after self-cal, rms=0.131690Jy sigma=4.780108 ! 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=1.454 mas, bmaj=2.046 mas, bpa=21.65 degrees ! Estimated noise=0.0813694 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 = 0.0256986 Jy ! Component: 100 - total flux cleaned = 0.0455189 Jy ! Component: 150 - total flux cleaned = 0.0614969 Jy ! Component: 200 - total flux cleaned = 0.0745726 Jy ! Total flux subtracted in 200 components = 0.0745726 Jy ! Clean residual min=-0.014375 max=0.017662 Jy/beam ! Clean residual mean=0.000025 rms=0.005247 Jy/beam ! Combined flux in latest and established models = 0.142223 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 35 components and 0.142223 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=0.101911Jy sigma=5.741129 ! Fit after self-cal, rms=0.100136Jy sigma=5.723844 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.454 x 2.046 at 21.65 degrees (North through East) ! Clean map min=-0.014019 max=0.073106 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 60.87 FD 0.73 HN 0.89 KP 0.78 ! LA 0.80 NL 1.04 OV 0.62 PT 0.72 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 49.52 FD 0.73 HN 0.87 KP 0.77 ! LA 0.80 NL 1.07 OV 0.63 PT 0.75 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 52.66 FD 0.72 HN 0.93 KP 0.77 ! LA 0.79 NL 1.04 OV 0.63 PT 0.73 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 49.96 FD 0.73 HN 0.89 KP 0.76 ! LA 0.80 NL 1.05 OV 0.63 PT 0.73 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 57.50 FD 0.72 HN 0.95 KP 0.76 ! LA 0.81 NL 1.08 OV 0.64 PT 0.72 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 53.24 FD 0.74 HN 0.94 KP 0.76 ! LA 0.79 NL 1.08 OV 0.64 PT 0.72 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 55.22 FD 0.75 HN 0.90 KP 0.77 ! LA 0.80 NL 1.07 OV 0.64 PT 0.74 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 42.66 FD 0.73 HN 0.91 KP 0.79 ! LA 0.79 NL 1.09 OV 0.65 PT 0.72 ! ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 58.90 FD 0.74 HN 0.93 KP 0.77 ! LA 0.80 NL 1.11 OV 0.67 PT 0.74 ! ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 38.19 FD 0.73 HN 0.90 KP 0.81 ! LA 0.81 NL 1.06 OV 0.66 PT 0.72 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 42.65 FD 0.73 HN 0.88 KP 0.77 ! LA 0.79 NL 1.11 OV 0.67 PT 0.74 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 48.64 FD 0.73 HN 0.93 KP 0.79 ! LA 0.79 NL 1.14 OV 0.66 PT 0.73 ! ! ! Fit before self-cal, rms=0.100136Jy sigma=5.723844 ! Fit after self-cal, rms=0.061831Jy sigma=1.902959 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.706 mas, bmaj=2.205 mas, bpa=-29.13 degrees ! Estimated noise=0.168845 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 = -0.00595482 Jy ! Component: 100 - total flux cleaned = -0.00750167 Jy ! Component: 150 - total flux cleaned = -0.00910715 Jy ! Component: 200 - total flux cleaned = -0.0103791 Jy ! Total flux subtracted in 200 components = -0.0103791 Jy ! Clean residual min=-0.007103 max=0.009580 Jy/beam ! Clean residual mean=0.000031 rms=0.001706 Jy/beam ! Combined flux in latest and established models = 0.131844 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 0.131844 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=0.054615Jy sigma=1.547790 ! Fit after self-cal, rms=0.053754Jy sigma=1.482218 ! Inverting map ! Added new window around map position (-2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00337022 Jy ! Component: 100 - total flux cleaned = 0.00180604 Jy ! Component: 150 - total flux cleaned = 0.000397668 Jy ! Component: 200 - total flux cleaned = -0.000826462 Jy ! Total flux subtracted in 200 components = -0.000826462 Jy ! Clean residual min=-0.005211 max=0.006697 Jy/beam ! Clean residual mean=0.000019 rms=0.001248 Jy/beam ! Combined flux in latest and established models = 0.131018 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 61 components and 0.131018 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=0.051431Jy sigma=1.363381 ! Fit after self-cal, rms=0.051112Jy sigma=1.350764 ! 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=0.051112Jy sigma=1.350764 ! Fit after self-cal, rms=0.075548Jy sigma=1.267565 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.672 mas, bmaj=2.144 mas, bpa=-26.51 degrees ! Estimated noise=0.163413 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000805072 Jy ! Component: 100 - total flux cleaned = -1.28749e-05 Jy ! Component: 150 - total flux cleaned = -0.000612315 Jy ! Component: 200 - total flux cleaned = -0.000909118 Jy ! Total flux subtracted in 200 components = -0.000909118 Jy ! Clean residual min=-0.003355 max=0.002817 Jy/beam ! Clean residual mean=0.000006 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.130109 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 74 components and 0.130109 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=0.075267Jy sigma=1.248892 ! Fit after self-cal, rms=0.075270Jy sigma=1.246650 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 = -6.7517e-05 Jy ! Component: 100 - total flux cleaned = -0.000313008 Jy ! Component: 150 - total flux cleaned = -0.000473106 Jy ! Component: 200 - total flux cleaned = -0.000567052 Jy ! Total flux subtracted in 200 components = -0.000567052 Jy ! Clean residual min=-0.002947 max=0.002667 Jy/beam ! Clean residual mean=0.000006 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.129542 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 88 components and 0.129542 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=0.075172Jy sigma=1.240106 ! Fit after self-cal, rms=0.075130Jy sigma=1.239435 ! 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=0.075130Jy sigma=1.239435 ! Fit after self-cal, rms=0.076632Jy sigma=1.237421 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.657 mas, bmaj=2.126 mas, bpa=-26.06 degrees ! Estimated noise=0.161964 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000268422 Jy ! Component: 100 - total flux cleaned = 0.00022777 Jy ! Component: 150 - total flux cleaned = 2.16005e-05 Jy ! Component: 200 - total flux cleaned = -1.4848e-05 Jy ! Total flux subtracted in 200 components = -1.4848e-05 Jy ! Clean residual min=-0.002578 max=0.002250 Jy/beam ! Clean residual mean=0.000003 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 0.129527 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 96 components and 0.129527 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=0.076566Jy sigma=1.232799 ! Fit after self-cal, rms=0.076509Jy sigma=1.232226 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.48814e-05 Jy ! Component: 100 - total flux cleaned = -8.92759e-06 Jy ! Component: 150 - total flux cleaned = -9.11408e-06 Jy ! Component: 200 - total flux cleaned = -9.66871e-06 Jy ! Total flux subtracted in 200 components = -9.66871e-06 Jy ! Clean residual min=-0.002413 max=0.002185 Jy/beam ! Clean residual mean=0.000003 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.129517 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 107 components and 0.129517 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=0.076477Jy sigma=1.229979 ! Fit after self-cal, rms=0.076448Jy sigma=1.229766 ! 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=0.076448Jy sigma=1.229766 ! Fit after self-cal, rms=0.077060Jy sigma=1.228818 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.622 mas, bmaj=2.976 mas, bpa=-22.15 degrees ! Estimated noise=0.174894 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.58417e-06 Jy ! Component: 100 - total flux cleaned = 2.60173e-05 Jy ! Component: 150 - total flux cleaned = 0.000105711 Jy ! Component: 200 - total flux cleaned = 0.000159927 Jy ! Total flux subtracted in 200 components = 0.000159927 Jy ! Clean residual min=-0.002174 max=0.002371 Jy/beam ! Clean residual mean=0.000002 rms=0.000581 Jy/beam ! Combined flux in latest and established models = 0.129677 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 116 components and 0.129677 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=0.077039Jy sigma=1.227556 ! Fit after self-cal, rms=0.077014Jy sigma=1.227415 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.78902e-05 Jy ! Component: 100 - total flux cleaned = -3.03022e-05 Jy ! Component: 150 - total flux cleaned = -1.40495e-05 Jy ! Component: 200 - total flux cleaned = 1.03581e-06 Jy ! Total flux subtracted in 200 components = 1.03581e-06 Jy ! Clean residual min=-0.002112 max=0.002334 Jy/beam ! Clean residual mean=0.000001 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.129678 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 120 components and 0.129678 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=0.077000Jy sigma=1.226641 ! Fit after self-cal, rms=0.076986Jy sigma=1.226568 ! 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=1.646 mas, bmaj=2.121 mas, bpa=-25.88 degrees ! Estimated noise=0.160929 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.646 x 2.121 at -25.88 degrees (North through East) ! Clean map min=-0.0041469 max=0.08423 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=1.324 mas, bmaj=1.819 mas, bpa=-23.88 degrees ! Estimated noise=0.353637 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.067337 Jy ! Component: 100 - total flux cleaned = 0.0923511 Jy ! Component: 150 - total flux cleaned = 0.105656 Jy ! Component: 200 - total flux cleaned = 0.113823 Jy ! Total flux subtracted in 200 components = 0.113823 Jy ! Clean residual min=-0.003371 max=0.004268 Jy/beam ! Clean residual mean=0.000017 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.113823 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.113823 Jy ! Inverting map and beam ! Estimated beam: bmin=1.646 mas, bmaj=2.121 mas, bpa=-25.88 degrees ! Estimated noise=0.160929 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 = 0.0075846 Jy ! Component: 100 - total flux cleaned = 0.011606 Jy ! Component: 150 - total flux cleaned = 0.013262 Jy ! Component: 200 - total flux cleaned = 0.0145596 Jy ! Total flux subtracted in 200 components = 0.0145596 Jy ! Clean residual min=-0.002389 max=0.002704 Jy/beam ! Clean residual mean=0.000012 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.128383 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 68 components and 0.128383 Jy ! Inverting map ! Added new window around map position (12, -14.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00173478 Jy ! Component: 100 - total flux cleaned = 0.00188008 Jy ! Component: 150 - total flux cleaned = 0.0020083 Jy ! Component: 200 - total flux cleaned = 0.00212479 Jy ! Total flux subtracted in 200 components = 0.00212479 Jy ! Clean residual min=-0.002048 max=0.002376 Jy/beam ! Clean residual mean=0.000012 rms=0.000517 Jy/beam ! Combined flux in latest and established models = 0.130507 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 88 components and 0.130507 Jy ! Inverting map ! Added new window around map position (-0.8, 9.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00209662 Jy ! Component: 100 - total flux cleaned = 0.00254792 Jy ! Component: 150 - total flux cleaned = 0.00264411 Jy ! Component: 200 - total flux cleaned = 0.00277517 Jy ! Total flux subtracted in 200 components = 0.00277517 Jy ! Clean residual min=-0.001804 max=0.001698 Jy/beam ! Clean residual mean=0.000006 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.133282 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 110 components and 0.133282 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=2.622 mas, bmaj=2.976 mas, bpa=-22.15 degrees ! Estimated noise=0.174894 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000333552 Jy ! Component: 100 - total flux cleaned = 0.00041216 Jy ! Component: 150 - total flux cleaned = 0.000412719 Jy ! Component: 200 - total flux cleaned = 0.000381238 Jy ! Total flux subtracted in 200 components = 0.000381238 Jy ! Clean residual min=-0.001913 max=0.001786 Jy/beam ! Clean residual mean=0.000005 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.133664 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 = 7.74434e-07 Jy ! Component: 100 - total flux cleaned = 2.88508e-05 Jy ! Component: 150 - total flux cleaned = 3.63838e-06 Jy ! Component: 200 - total flux cleaned = 4.00459e-06 Jy ! Total flux subtracted in 200 components = 4.00459e-06 Jy ! Clean residual min=-0.001806 max=0.001719 Jy/beam ! Clean residual mean=0.000003 rms=0.000487 Jy/beam ! Combined flux in latest and established models = 0.133668 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 153 components and 0.133668 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.646 mas, bmaj=2.121 mas, bpa=-25.88 degrees ! Estimated noise=0.160929 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000385373 Jy ! Component: 100 - total flux cleaned = -0.000384211 Jy ! Component: 150 - total flux cleaned = -0.00032575 Jy ! Component: 200 - total flux cleaned = -0.000299573 Jy ! Total flux subtracted in 200 components = -0.000299573 Jy ! Clean residual min=-0.001675 max=0.001655 Jy/beam ! Clean residual mean=0.000002 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.133368 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 175 components and 0.133368 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=0.077010Jy sigma=1.218667 ! Fit after self-cal, rms=0.076675Jy sigma=1.216265 wmodel J1951+5727_X_map.mod ! Writing 175 model components to file: J1951+5727_X_map.mod wobs J1951+5727_X_uvs.fits ! Writing UV FITS file: J1951+5727_X_uvs.fits wwins J1951+5727_X_map.win ! wwins: Wrote 5 windows to J1951+5727_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 = 0.000333633 Jy ! Component: 100 - total flux cleaned = 0.000691216 Jy ! Component: 150 - total flux cleaned = 0.000968977 Jy ! Component: 200 - total flux cleaned = 0.00118369 Jy ! Component: 250 - total flux cleaned = 0.00122451 Jy ! Component: 300 - total flux cleaned = 0.00128371 Jy ! Component: 350 - total flux cleaned = 0.00130227 Jy ! Component: 400 - total flux cleaned = 0.00126624 Jy ! Component: 450 - total flux cleaned = 0.00124881 Jy ! Component: 500 - total flux cleaned = 0.00123122 Jy ! Component: 550 - total flux cleaned = 0.00118148 Jy ! Component: 600 - total flux cleaned = 0.00110131 Jy ! Component: 650 - total flux cleaned = 0.00110137 Jy ! Component: 700 - total flux cleaned = 0.00105557 Jy ! Component: 750 - total flux cleaned = 0.000966113 Jy ! Component: 800 - total flux cleaned = 0.000937034 Jy ! Component: 850 - total flux cleaned = 0.000837577 Jy ! Component: 900 - total flux cleaned = 0.000782541 Jy ! Component: 950 - total flux cleaned = 0.000768795 Jy ! Component: 1000 - total flux cleaned = 0.000742267 Jy ! Component: 1050 - total flux cleaned = 0.000716104 Jy ! Component: 1100 - total flux cleaned = 0.000728765 Jy ! Component: 1150 - total flux cleaned = 0.000679013 Jy ! Component: 1200 - total flux cleaned = 0.000667177 Jy ! Component: 1250 - total flux cleaned = 0.000679503 Jy ! Component: 1300 - total flux cleaned = 0.000667659 Jy ! Component: 1350 - total flux cleaned = 0.000644967 Jy ! Component: 1400 - total flux cleaned = 0.000724643 Jy ! Component: 1450 - total flux cleaned = 0.000713519 Jy ! Component: 1500 - total flux cleaned = 0.00074652 Jy ! Component: 1550 - total flux cleaned = 0.000767989 Jy ! Component: 1600 - total flux cleaned = 0.00076789 Jy ! Component: 1650 - total flux cleaned = 0.000778436 Jy ! Component: 1700 - total flux cleaned = 0.000809352 Jy ! Component: 1750 - total flux cleaned = 0.000809021 Jy ! Component: 1800 - total flux cleaned = 0.000828932 Jy ! Component: 1850 - total flux cleaned = 0.000858103 Jy ! Component: 1900 - total flux cleaned = 0.000848349 Jy ! Component: 1950 - total flux cleaned = 0.000857795 Jy ! Component: 2000 - total flux cleaned = 0.000867277 Jy ! Component: 2050 - total flux cleaned = 0.000904489 Jy ! Component: 2100 - total flux cleaned = 0.00094102 Jy ! Component: 2150 - total flux cleaned = 0.000968146 Jy ! Component: 2200 - total flux cleaned = 0.00103047 Jy ! Component: 2250 - total flux cleaned = 0.00109161 Jy ! Component: 2300 - total flux cleaned = 0.00112616 Jy ! Component: 2350 - total flux cleaned = 0.00117746 Jy ! Component: 2400 - total flux cleaned = 0.00122806 Jy ! Component: 2450 - total flux cleaned = 0.00126952 Jy ! Component: 2500 - total flux cleaned = 0.00127774 Jy ! Component: 2550 - total flux cleaned = 0.00130218 Jy ! Component: 2600 - total flux cleaned = 0.00135057 Jy ! Component: 2650 - total flux cleaned = 0.00138238 Jy ! Component: 2700 - total flux cleaned = 0.00139031 Jy ! Component: 2750 - total flux cleaned = 0.00143693 Jy ! Component: 2800 - total flux cleaned = 0.0014677 Jy ! Component: 2850 - total flux cleaned = 0.00151327 Jy ! Component: 2900 - total flux cleaned = 0.00152822 Jy ! Component: 2950 - total flux cleaned = 0.00153571 Jy ! Component: 3000 - total flux cleaned = 0.0015726 Jy ! Component: 3050 - total flux cleaned = 0.0015944 Jy ! Component: 3100 - total flux cleaned = 0.00163057 Jy ! Component: 3150 - total flux cleaned = 0.00165911 Jy ! Component: 3200 - total flux cleaned = 0.00165907 Jy ! Component: 3250 - total flux cleaned = 0.00167301 Jy ! Component: 3300 - total flux cleaned = 0.00170084 Jy ! Component: 3350 - total flux cleaned = 0.00172152 Jy ! Component: 3400 - total flux cleaned = 0.00174199 Jy ! Component: 3450 - total flux cleaned = 0.00175545 Jy ! Component: 3500 - total flux cleaned = 0.00178897 Jy ! Component: 3550 - total flux cleaned = 0.00181559 Jy ! Component: 3600 - total flux cleaned = 0.00186837 Jy ! Component: 3650 - total flux cleaned = 0.0018749 Jy ! Component: 3700 - total flux cleaned = 0.00190098 Jy ! Component: 3750 - total flux cleaned = 0.00192667 Jy ! Component: 3800 - total flux cleaned = 0.00197137 Jy ! Component: 3850 - total flux cleaned = 0.00199671 Jy ! Component: 3900 - total flux cleaned = 0.00200931 Jy ! Component: 3950 - total flux cleaned = 0.00204062 Jy ! Component: 4000 - total flux cleaned = 0.00209645 Jy ! Component: 4050 - total flux cleaned = 0.00209637 Jy ! Total flux subtracted in 4096 components = 0.00212698 Jy ! Clean residual min=-0.000383 max=0.000363 Jy/beam ! Clean residual mean=0.000000 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.135495 Jy keep ! Adding 313 model components to the UV plane model. ! The established model now contains 488 components and 0.135495 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1951+5727_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.646 x 2.121 at -25.88 degrees (North through East) ! Clean map min=-0.0028087 max=0.08751 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1951+5727_X_map.fits wmodel /vlbi/uf001/uva//J1951+5727_X_map.mod ! Writing 488 model components to file: /vlbi/uf001/uva//J1951+5727_X_map.mod wobs /vlbi/uf001/uva//J1951+5727_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1951+5727_X_uvs.fits wwins /vlbi/uf001/uva//J1951+5727_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1951+5727_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0875098 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000113187 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.388028 0.388028 0.776055 1.55211 3.10422 6.20844 12.4169 24.8338 49.6675 99.3351 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.087 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 773.14 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1951+5727_X_dfm.log closed on Mon Jan 14 05:16:14 2019