! Started logfile: /vlbi/uf001/uva//J2023+5427_X_dfm.log on Mon Jan 14 05:28:34 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//J2023+5427_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2023+5427_X_uva.fits ! AN table 1: 42 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.856009 visibilities/baseline/integration-bin. ! Found source: J2023+5427 ! ! 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 9060 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 J2023+5427_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 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.200799Jy sigma=21.529133 ! Fit after self-cal, rms=0.353580Jy sigma=6.751088 ! 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=1.336 mas, bmaj=1.925 mas, bpa=-22.87 degrees ! Estimated noise=0.955727 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 = 0.520819 Jy ! Component: 100 - total flux cleaned = 0.635705 Jy ! Total flux subtracted in 100 components = 0.635705 Jy ! Clean residual min=-0.039251 max=0.087373 Jy/beam ! Clean residual mean=0.000681 rms=0.011443 Jy/beam ! Combined flux in latest and established models = 0.635705 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.635705 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=0.180450Jy sigma=3.133543 ! Fit after self-cal, rms=0.180434Jy sigma=3.132555 ! Inverting map ! Added new window around map position (1, -3.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0754784 Jy ! Component: 100 - total flux cleaned = 0.118097 Jy ! Total flux subtracted in 100 components = 0.118097 Jy ! Clean residual min=-0.030470 max=0.042463 Jy/beam ! Clean residual mean=0.000453 rms=0.008392 Jy/beam ! Combined flux in latest and established models = 0.753802 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 23 components and 0.753802 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=0.131787Jy sigma=2.356183 ! Fit after self-cal, rms=0.128912Jy sigma=2.297089 ! 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=1.661 mas, bmaj=2.217 mas, bpa=-24.27 degrees ! Estimated noise=0.451206 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 = 0.0481272 Jy ! Component: 100 - total flux cleaned = 0.0788481 Jy ! Component: 150 - total flux cleaned = 0.102274 Jy ! Component: 200 - total flux cleaned = 0.120357 Jy ! Total flux subtracted in 200 components = 0.120357 Jy ! Clean residual min=-0.025731 max=0.035124 Jy/beam ! Clean residual mean=0.000319 rms=0.007341 Jy/beam ! Combined flux in latest and established models = 0.874159 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 52 components and 0.874159 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=0.101705Jy sigma=1.903570 ! Fit after self-cal, rms=0.100007Jy sigma=1.874440 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.661 x 2.217 at -24.27 degrees (North through East) ! Clean map min=-0.023207 max=0.66857 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: ! FD 0.98 HN 0.99 KP 0.99 LA 0.99 ! NL 1.19 OV 0.93 PT 0.93 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 1.00 LA 0.99 ! NL 1.19 OV 0.94 PT 0.94 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 0.99 LA 0.99 ! NL 1.20 OV 0.92 PT 0.93 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 0.97 KP 1.00 LA 0.98 ! NL 1.21 OV 0.92 PT 0.93 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 1.00 LA 0.99 ! NL 1.20 OV 0.92 PT 0.92 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 0.99 LA 0.99 ! NL 1.21 OV 0.92 PT 0.93 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 0.99 LA 0.97 ! NL 1.19 OV 0.92 PT 0.93 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.97 KP 0.98 LA 0.99 ! NL 1.21 OV 0.92 PT 0.92 ! ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 0.98 KP 0.99 LA 0.98 ! NL 1.20 OV 0.92 PT 0.93 ! ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 0.99 LA 0.98 ! NL 1.18 OV 0.92 PT 0.91 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.97 KP 0.99 LA 0.98 ! NL 1.19 OV 0.92 PT 0.93 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 0.97 KP 0.99 LA 0.99 ! NL 1.19 OV 0.91 PT 0.92 ! ! ! Fit before self-cal, rms=0.100007Jy sigma=1.874440 ! Fit after self-cal, rms=0.076155Jy sigma=1.348124 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.651 mas, bmaj=2.203 mas, bpa=-23.08 degrees ! Estimated noise=0.447911 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 = -0.00630934 Jy ! Component: 100 - total flux cleaned = -0.00751716 Jy ! Component: 150 - total flux cleaned = -0.00583932 Jy ! Component: 200 - total flux cleaned = -0.00479344 Jy ! Total flux subtracted in 200 components = -0.00479344 Jy ! Clean residual min=-0.013063 max=0.016656 Jy/beam ! Clean residual mean=0.000103 rms=0.003308 Jy/beam ! Combined flux in latest and established models = 0.869366 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 63 components and 0.869366 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=0.066920Jy sigma=1.192628 ! Fit after self-cal, rms=0.066514Jy sigma=1.184738 ! Inverting map ! Added new window around map position (6.6, 27.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00874289 Jy ! Component: 100 - total flux cleaned = 0.00836661 Jy ! Component: 150 - total flux cleaned = 0.00741191 Jy ! Component: 200 - total flux cleaned = 0.0066078 Jy ! Total flux subtracted in 200 components = 0.0066078 Jy ! Clean residual min=-0.010497 max=0.012311 Jy/beam ! Clean residual mean=0.000090 rms=0.002662 Jy/beam ! Combined flux in latest and established models = 0.875973 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 82 components and 0.875973 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=0.061767Jy sigma=1.093847 ! Fit after self-cal, rms=0.061406Jy sigma=1.085916 ! 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=0.061406Jy sigma=1.085916 ! Fit after self-cal, rms=0.054153Jy sigma=0.956069 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=2.199 mas, bpa=-23.83 degrees ! Estimated noise=0.446721 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.69824e-05 Jy ! Component: 100 - total flux cleaned = 0.000343357 Jy ! Component: 150 - total flux cleaned = 0.000960942 Jy ! Component: 200 - total flux cleaned = 0.00163142 Jy ! Total flux subtracted in 200 components = 0.00163142 Jy ! Clean residual min=-0.005275 max=0.005429 Jy/beam ! Clean residual mean=0.000035 rms=0.001247 Jy/beam ! Combined flux in latest and established models = 0.877605 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 94 components and 0.877605 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=0.052857Jy sigma=0.933185 ! Fit after self-cal, rms=0.052777Jy sigma=0.931735 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 (6.8, -17.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0052768 Jy ! Component: 100 - total flux cleaned = 0.00717411 Jy ! Component: 150 - total flux cleaned = 0.00800274 Jy ! Component: 200 - total flux cleaned = 0.0089777 Jy ! Total flux subtracted in 200 components = 0.0089777 Jy ! Clean residual min=-0.004489 max=0.003947 Jy/beam ! Clean residual mean=0.000027 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.886582 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 113 components and 0.886582 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=0.052003Jy sigma=0.919157 ! Fit after self-cal, rms=0.051966Jy sigma=0.918659 ! 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=0.051966Jy sigma=0.918659 ! Fit after self-cal, rms=0.051837Jy sigma=0.916226 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=2.198 mas, bpa=-23.81 degrees ! Estimated noise=0.44655 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.06794e-06 Jy ! Component: 100 - total flux cleaned = 0.000766338 Jy ! Component: 150 - total flux cleaned = 0.00135355 Jy ! Component: 200 - total flux cleaned = 0.00180212 Jy ! Total flux subtracted in 200 components = 0.00180212 Jy ! Clean residual min=-0.003764 max=0.003608 Jy/beam ! Clean residual mean=0.000013 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.888384 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 119 components and 0.888385 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=0.051436Jy sigma=0.909447 ! Fit after self-cal, rms=0.051423Jy sigma=0.909279 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000534191 Jy ! Component: 100 - total flux cleaned = 0.00109541 Jy ! Component: 150 - total flux cleaned = 0.00139525 Jy ! Component: 200 - total flux cleaned = 0.0018175 Jy ! Total flux subtracted in 200 components = 0.0018175 Jy ! Clean residual min=-0.003453 max=0.003303 Jy/beam ! Clean residual mean=0.000011 rms=0.000858 Jy/beam ! Combined flux in latest and established models = 0.890202 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 130 components and 0.890202 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=0.051216Jy sigma=0.905681 ! Fit after self-cal, rms=0.051210Jy sigma=0.905614 ! 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=0.051210Jy sigma=0.905614 ! Fit after self-cal, rms=0.051192Jy sigma=0.904837 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.571 mas, bmaj=3.038 mas, bpa=-17.16 degrees ! Estimated noise=0.500204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000512123 Jy ! Component: 100 - total flux cleaned = 0.00112148 Jy ! Component: 150 - total flux cleaned = 0.00154035 Jy ! Component: 200 - total flux cleaned = 0.00186982 Jy ! Total flux subtracted in 200 components = 0.00186982 Jy ! Clean residual min=-0.003172 max=0.003236 Jy/beam ! Clean residual mean=0.000009 rms=0.000876 Jy/beam ! Combined flux in latest and established models = 0.892072 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 151 components and 0.892072 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=0.051035Jy sigma=0.902384 ! Fit after self-cal, rms=0.051032Jy sigma=0.902344 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000478492 Jy ! Component: 100 - total flux cleaned = 0.000674137 Jy ! Component: 150 - total flux cleaned = 0.000903301 Jy ! Component: 200 - total flux cleaned = 0.000990278 Jy ! Total flux subtracted in 200 components = 0.000990278 Jy ! Clean residual min=-0.002985 max=0.003044 Jy/beam ! Clean residual mean=0.000007 rms=0.000842 Jy/beam ! Combined flux in latest and established models = 0.893062 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 160 components and 0.893062 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=0.050949Jy sigma=0.900940 ! Fit after self-cal, rms=0.050946Jy sigma=0.900928 ! 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=1.645 mas, bmaj=2.198 mas, bpa=-23.82 degrees ! Estimated noise=0.446603 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.645 x 2.198 at -23.82 degrees (North through East) ! Clean map min=-0.0047319 max=0.66232 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 ! Performing amp+phase self-cal ! ! 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=0.050946Jy sigma=0.900928 ! Fit after self-cal, rms=0.046077Jy sigma=0.800440 ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=2.199 mas, bpa=-23.83 degrees ! Estimated noise=0.44677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00118048 Jy ! Component: 100 - total flux cleaned = -0.00174227 Jy ! Component: 150 - total flux cleaned = -0.00179615 Jy ! Component: 200 - total flux cleaned = -0.00174169 Jy ! Total flux subtracted in 200 components = -0.00174169 Jy ! Clean residual min=-0.003050 max=0.002882 Jy/beam ! Clean residual mean=0.000002 rms=0.000713 Jy/beam ! Combined flux in latest and established models = 0.891321 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 170 components and 0.891321 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=0.045931Jy sigma=0.797785 ! Fit after self-cal, rms=0.045925Jy sigma=0.797751 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000261796 Jy ! Component: 100 - total flux cleaned = -0.000261214 Jy ! Component: 150 - total flux cleaned = -0.000170319 Jy ! Component: 200 - total flux cleaned = -4.03267e-05 Jy ! Total flux subtracted in 200 components = -4.03267e-05 Jy ! Clean residual min=-0.002897 max=0.002818 Jy/beam ! Clean residual mean=0.000002 rms=0.000690 Jy/beam ! Combined flux in latest and established models = 0.891281 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 176 components and 0.891281 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=0.045841Jy sigma=0.796261 ! Fit after self-cal, rms=0.045837Jy sigma=0.796244 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.045837Jy sigma=0.796244 ! Fit after self-cal, rms=0.045838Jy sigma=0.795861 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=1.317 mas, bmaj=1.898 mas, bpa=-22.6 degrees ! Estimated noise=0.939491 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.510471 Jy ! Component: 100 - total flux cleaned = 0.642477 Jy ! Component: 150 - total flux cleaned = 0.711502 Jy ! Component: 200 - total flux cleaned = 0.755913 Jy ! Total flux subtracted in 200 components = 0.755913 Jy ! Clean residual min=-0.013725 max=0.024113 Jy/beam ! Clean residual mean=0.000253 rms=0.004101 Jy/beam ! Combined flux in latest and established models = 0.755913 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.755913 Jy ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=2.199 mas, bpa=-23.86 degrees ! Estimated noise=0.446863 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 = 0.0397442 Jy ! Component: 100 - total flux cleaned = 0.0642805 Jy ! Component: 150 - total flux cleaned = 0.0807015 Jy ! Component: 200 - total flux cleaned = 0.0923035 Jy ! Total flux subtracted in 200 components = 0.0923035 Jy ! Clean residual min=-0.005383 max=0.006903 Jy/beam ! Clean residual mean=0.000087 rms=0.001707 Jy/beam ! Combined flux in latest and established models = 0.848217 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 78 components and 0.848217 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=2.572 mas, bmaj=3.04 mas, bpa=-17.34 degrees ! Estimated noise=0.500416 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110167 Jy ! Component: 100 - total flux cleaned = 0.0187292 Jy ! Component: 150 - total flux cleaned = 0.0244328 Jy ! Component: 200 - total flux cleaned = 0.0286099 Jy ! Total flux subtracted in 200 components = 0.0286099 Jy ! Clean residual min=-0.003809 max=0.005170 Jy/beam ! Clean residual mean=0.000043 rms=0.001182 Jy/beam ! Combined flux in latest and established models = 0.876827 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) ! Added new window around map position (12.4, -17.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00495767 Jy ! Component: 100 - total flux cleaned = 0.0075046 Jy ! Component: 150 - total flux cleaned = 0.00929891 Jy ! Component: 200 - total flux cleaned = 0.0110352 Jy ! Total flux subtracted in 200 components = 0.0110352 Jy ! Clean residual min=-0.003457 max=0.003407 Jy/beam ! Clean residual mean=0.000037 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 0.887862 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 157 components and 0.887862 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.645 mas, bmaj=2.199 mas, bpa=-23.86 degrees ! Estimated noise=0.446863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000518958 Jy ! Component: 100 - total flux cleaned = 0.0011913 Jy ! Component: 150 - total flux cleaned = 0.00162775 Jy ! Component: 200 - total flux cleaned = 0.00226238 Jy ! Total flux subtracted in 200 components = 0.00226238 Jy ! Clean residual min=-0.002744 max=0.002983 Jy/beam ! Clean residual mean=0.000020 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.890124 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 188 components and 0.890124 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=0.045855Jy sigma=0.796344 ! Fit after self-cal, rms=0.045717Jy sigma=0.794080 wmodel J2023+5427_X_map.mod ! Writing 188 model components to file: J2023+5427_X_map.mod wobs J2023+5427_X_uvs.fits ! Writing UV FITS file: J2023+5427_X_uvs.fits wwins J2023+5427_X_map.win ! wwins: Wrote 5 windows to J2023+5427_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 = 0.000458272 Jy ! Component: 100 - total flux cleaned = 0.000457255 Jy ! Component: 150 - total flux cleaned = 0.000780558 Jy ! Component: 200 - total flux cleaned = 0.00101065 Jy ! Component: 250 - total flux cleaned = 0.00123107 Jy ! Component: 300 - total flux cleaned = 0.00130155 Jy ! Component: 350 - total flux cleaned = 0.001538 Jy ! Component: 400 - total flux cleaned = 0.00163455 Jy ! Component: 450 - total flux cleaned = 0.00175966 Jy ! Component: 500 - total flux cleaned = 0.00188085 Jy ! Component: 550 - total flux cleaned = 0.00211555 Jy ! Component: 600 - total flux cleaned = 0.00231457 Jy ! Component: 650 - total flux cleaned = 0.00242537 Jy ! Component: 700 - total flux cleaned = 0.00256046 Jy ! Component: 750 - total flux cleaned = 0.00263929 Jy ! Component: 800 - total flux cleaned = 0.00274128 Jy ! Component: 850 - total flux cleaned = 0.00279116 Jy ! Component: 900 - total flux cleaned = 0.00283989 Jy ! Component: 950 - total flux cleaned = 0.00295849 Jy ! Component: 1000 - total flux cleaned = 0.00305075 Jy ! Component: 1050 - total flux cleaned = 0.00316317 Jy ! Component: 1100 - total flux cleaned = 0.00320712 Jy ! Component: 1150 - total flux cleaned = 0.00327215 Jy ! Component: 1200 - total flux cleaned = 0.00344095 Jy ! Component: 1250 - total flux cleaned = 0.00348134 Jy ! Component: 1300 - total flux cleaned = 0.00354213 Jy ! Component: 1350 - total flux cleaned = 0.00368036 Jy ! Component: 1400 - total flux cleaned = 0.00371898 Jy ! Component: 1450 - total flux cleaned = 0.00381358 Jy ! Component: 1500 - total flux cleaned = 0.00385059 Jy ! Component: 1550 - total flux cleaned = 0.00385076 Jy ! Component: 1600 - total flux cleaned = 0.00392204 Jy ! Component: 1650 - total flux cleaned = 0.00397455 Jy ! Component: 1700 - total flux cleaned = 0.00402552 Jy ! Component: 1750 - total flux cleaned = 0.00410906 Jy ! Component: 1800 - total flux cleaned = 0.00415846 Jy ! Component: 1850 - total flux cleaned = 0.00422287 Jy ! Component: 1900 - total flux cleaned = 0.0042864 Jy ! Component: 1950 - total flux cleaned = 0.0043489 Jy ! Component: 2000 - total flux cleaned = 0.00445533 Jy ! Component: 2050 - total flux cleaned = 0.00448499 Jy ! Component: 2100 - total flux cleaned = 0.00454349 Jy ! Component: 2150 - total flux cleaned = 0.00458697 Jy ! Component: 2200 - total flux cleaned = 0.00461539 Jy ! Component: 2250 - total flux cleaned = 0.004672 Jy ! Component: 2300 - total flux cleaned = 0.00474107 Jy ! Component: 2350 - total flux cleaned = 0.00482229 Jy ! Component: 2400 - total flux cleaned = 0.0048627 Jy ! Component: 2450 - total flux cleaned = 0.0049287 Jy ! Component: 2500 - total flux cleaned = 0.00500652 Jy ! Component: 2550 - total flux cleaned = 0.00498079 Jy ! Component: 2600 - total flux cleaned = 0.00500597 Jy ! Component: 2650 - total flux cleaned = 0.00504357 Jy ! Component: 2700 - total flux cleaned = 0.00509298 Jy ! Component: 2750 - total flux cleaned = 0.00515379 Jy ! Component: 2800 - total flux cleaned = 0.00516543 Jy ! Component: 2850 - total flux cleaned = 0.00515349 Jy ! Component: 2900 - total flux cleaned = 0.00520019 Jy ! Component: 2950 - total flux cleaned = 0.00521154 Jy ! Component: 3000 - total flux cleaned = 0.00525709 Jy ! Component: 3050 - total flux cleaned = 0.00526859 Jy ! Component: 3100 - total flux cleaned = 0.00532441 Jy ! Component: 3150 - total flux cleaned = 0.00535759 Jy ! Component: 3200 - total flux cleaned = 0.00543371 Jy ! Component: 3250 - total flux cleaned = 0.00540143 Jy ! Component: 3300 - total flux cleaned = 0.00544413 Jy ! Component: 3350 - total flux cleaned = 0.00547586 Jy ! Component: 3400 - total flux cleaned = 0.00553848 Jy ! Component: 3450 - total flux cleaned = 0.00557975 Jy ! Component: 3500 - total flux cleaned = 0.00562074 Jy ! Component: 3550 - total flux cleaned = 0.00564087 Jy ! Component: 3600 - total flux cleaned = 0.00569102 Jy ! Component: 3650 - total flux cleaned = 0.00573071 Jy ! Component: 3700 - total flux cleaned = 0.00577974 Jy ! Component: 3750 - total flux cleaned = 0.0058282 Jy ! Component: 3800 - total flux cleaned = 0.00586659 Jy ! Component: 3850 - total flux cleaned = 0.00593311 Jy ! Component: 3900 - total flux cleaned = 0.00598011 Jy ! Component: 3950 - total flux cleaned = 0.00603595 Jy ! Component: 4000 - total flux cleaned = 0.0060913 Jy ! Component: 4050 - total flux cleaned = 0.00612791 Jy ! Total flux subtracted in 4096 components = 0.00622769 Jy ! Clean residual min=-0.000487 max=0.000526 Jy/beam ! Clean residual mean=0.000003 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.896352 Jy keep ! Adding 298 model components to the UV plane model. ! The established model now contains 486 components and 0.896352 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2023+5427_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.645 x 2.199 at -23.86 degrees (North through East) ! Clean map min=-0.0012858 max=0.66279 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2023+5427_X_map.fits wmodel /vlbi/uf001/uva//J2023+5427_X_map.mod ! Writing 486 model components to file: /vlbi/uf001/uva//J2023+5427_X_map.mod wobs /vlbi/uf001/uva//J2023+5427_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2023+5427_X_uvs.fits wwins /vlbi/uf001/uva//J2023+5427_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J2023+5427_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.662793 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000159706 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0722878 0.0722878 0.144576 0.289151 0.578302 1.1566 2.31321 4.62642 9.25284 18.5057 37.0113 74.0227 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.662 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4150.08 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2023+5427_X_dfm.log closed on Mon Jan 14 05:28:39 2019