! Started logfile: /vlbi/uf001/uva//J1927+6117_X_dfm.log on Mon Jan 14 05:04:34 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//J1927+6117_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1927+6117_X_uva.fits ! AN table 1: 70 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.80127 visibilities/baseline/integration-bin. ! Found source: J1927+6117 ! ! 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 30288 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 J1927+6117_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 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.124566Jy sigma=21.206548 ! Fit after self-cal, rms=0.523654Jy sigma=10.351818 ! 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=0.7451 mas, bmaj=0.958 mas, bpa=22.18 degrees ! Estimated noise=0.415161 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 = 0.354259 Jy ! Component: 100 - total flux cleaned = 0.483192 Jy ! Total flux subtracted in 100 components = 0.483192 Jy ! Clean residual min=-0.022069 max=0.069462 Jy/beam ! Clean residual mean=0.000006 rms=0.004674 Jy/beam ! Combined flux in latest and established models = 0.483192 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.483192 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=0.169809Jy sigma=3.072233 ! Fit after self-cal, rms=0.167219Jy sigma=3.027266 ! Inverting map ! Added new window around map position (0.8, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0778499 Jy ! Component: 100 - total flux cleaned = 0.121335 Jy ! Total flux subtracted in 100 components = 0.121335 Jy ! Clean residual min=-0.013109 max=0.024790 Jy/beam ! Clean residual mean=0.000002 rms=0.002702 Jy/beam ! Combined flux in latest and established models = 0.604527 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 0.604527 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=0.107583Jy sigma=1.951262 ! Fit after self-cal, rms=0.105047Jy sigma=1.902177 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0317489 Jy ! Component: 100 - total flux cleaned = 0.0512683 Jy ! Total flux subtracted in 100 components = 0.0512683 Jy ! Clean residual min=-0.010607 max=0.016388 Jy/beam ! Clean residual mean=-0.000000 rms=0.002075 Jy/beam ! Combined flux in latest and established models = 0.655795 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 18 components and 0.655795 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=0.089608Jy sigma=1.631977 ! Fit after self-cal, rms=0.088972Jy sigma=1.618366 ! Inverting map ! Added new window around map position (-1.4, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0172839 Jy ! Component: 100 - total flux cleaned = 0.0295876 Jy ! Total flux subtracted in 100 components = 0.0295876 Jy ! Clean residual min=-0.010352 max=0.010721 Jy/beam ! Clean residual mean=-0.000001 rms=0.001847 Jy/beam ! Combined flux in latest and established models = 0.685383 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 24 components and 0.685383 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=0.083529Jy sigma=1.524960 ! Fit after self-cal, rms=0.083388Jy sigma=1.521401 ! 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=0.9638 mas, bmaj=1.15 mas, bpa=18.96 degrees ! Estimated noise=0.235453 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (1.6, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01889 Jy ! Component: 100 - total flux cleaned = 0.0321515 Jy ! Component: 150 - total flux cleaned = 0.0423663 Jy ! Component: 200 - total flux cleaned = 0.0504638 Jy ! Total flux subtracted in 200 components = 0.0504638 Jy ! Clean residual min=-0.009561 max=0.012641 Jy/beam ! Clean residual mean=0.000006 rms=0.001949 Jy/beam ! Combined flux in latest and established models = 0.735847 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 46 components and 0.735847 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=0.077163Jy sigma=1.412652 ! Fit after self-cal, rms=0.076785Jy sigma=1.404600 ! Inverting map ! Added new window around map position (1.4, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121797 Jy ! Component: 100 - total flux cleaned = 0.0202508 Jy ! Component: 150 - total flux cleaned = 0.0244173 Jy ! Component: 200 - total flux cleaned = 0.0260286 Jy ! Total flux subtracted in 200 components = 0.0260286 Jy ! Clean residual min=-0.008659 max=0.008221 Jy/beam ! Clean residual mean=-0.000002 rms=0.001746 Jy/beam ! Combined flux in latest and established models = 0.761875 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 66 components and 0.761875 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=0.074099Jy sigma=1.356370 ! Fit after self-cal, rms=0.073978Jy sigma=1.353857 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9638 x 1.15 at 18.96 degrees (North through East) ! Clean map min=-0.0079127 max=0.46681 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.94 KP 1.03 ! LA 0.97 MK 1.02 NL 1.10 OV 0.92 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 1.03 ! LA 0.97 MK 1.02 NL 1.10 OV 0.92 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 1.04 ! LA 0.96 MK 1.02 NL 1.10 OV 0.91 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.96 KP 1.03 ! LA 0.96 MK 1.03 NL 1.10 OV 0.91 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.94 KP 1.03 ! LA 0.96 MK 1.02 NL 1.10 OV 0.92 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.96 KP 1.01 ! LA 0.96 MK 1.02 NL 1.10 OV 0.91 ! PT 1.00 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.04 ! LA 0.97 MK 1.01 NL 1.10 OV 0.92 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.96 KP 1.03 ! LA 0.97 MK 1.04 NL 1.08 OV 0.92 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.95 KP 1.02 ! LA 0.97 MK 1.02 NL 1.10 OV 0.91 ! PT 0.99 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.94 KP 1.04 ! LA 0.97 MK 1.02 NL 1.10 OV 0.91 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.03 ! LA 0.97 MK 1.04 NL 1.10 OV 0.91 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.97 KP 1.03 ! LA 0.97 MK 1.04 NL 1.10 OV 0.90 ! PT 1.00 SC 0.94 ! ! ! Fit before self-cal, rms=0.073978Jy sigma=1.353857 ! Fit after self-cal, rms=0.063060Jy sigma=1.140770 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9579 mas, bmaj=1.151 mas, bpa=19.58 degrees ! Estimated noise=0.234306 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 = -0.00331848 Jy ! Component: 100 - total flux cleaned = -0.00394792 Jy ! Component: 150 - total flux cleaned = -0.00464584 Jy ! Component: 200 - total flux cleaned = -0.00478589 Jy ! Total flux subtracted in 200 components = -0.00478589 Jy ! Clean residual min=-0.003946 max=0.003667 Jy/beam ! Clean residual mean=-0.000005 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.757089 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 89 components and 0.757089 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=0.061867Jy sigma=1.117328 ! Fit after self-cal, rms=0.061816Jy sigma=1.116152 ! 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=0.061816Jy sigma=1.116152 ! Fit after self-cal, rms=0.060182Jy sigma=1.085950 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9589 mas, bmaj=1.148 mas, bpa=19.9 degrees ! Estimated noise=0.234625 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00281335 Jy ! Component: 100 - total flux cleaned = -0.00419364 Jy ! Component: 150 - total flux cleaned = -0.00514107 Jy ! Component: 200 - total flux cleaned = -0.0056423 Jy ! Total flux subtracted in 200 components = -0.0056423 Jy ! Clean residual min=-0.002533 max=0.002710 Jy/beam ! Clean residual mean=0.000011 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.751447 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 104 components and 0.751447 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=0.059833Jy sigma=1.078561 ! Fit after self-cal, rms=0.059813Jy sigma=1.078188 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 (-7.4, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011721 Jy ! Component: 100 - total flux cleaned = 0.000946001 Jy ! Component: 150 - total flux cleaned = 0.000735866 Jy ! Component: 200 - total flux cleaned = 0.000538275 Jy ! Total flux subtracted in 200 components = 0.000538275 Jy ! Clean residual min=-0.002361 max=0.002003 Jy/beam ! Clean residual mean=0.000011 rms=0.000467 Jy/beam ! Combined flux in latest and established models = 0.751986 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 116 components and 0.751985 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=0.059630Jy sigma=1.074417 ! Fit after self-cal, rms=0.059619Jy sigma=1.074244 ! 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=0.059619Jy sigma=1.074244 ! Fit after self-cal, rms=0.059388Jy sigma=1.068001 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9592 mas, bmaj=1.146 mas, bpa=19.95 degrees ! Estimated noise=0.234748 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00140913 Jy ! Component: 100 - total flux cleaned = -0.00228919 Jy ! Component: 150 - total flux cleaned = -0.00266958 Jy ! Component: 200 - total flux cleaned = -0.00289708 Jy ! Total flux subtracted in 200 components = -0.00289708 Jy ! Clean residual min=-0.001888 max=0.001699 Jy/beam ! Clean residual mean=0.000007 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.749088 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 125 components and 0.749088 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=0.059242Jy sigma=1.065101 ! Fit after self-cal, rms=0.059235Jy sigma=1.064972 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 = -0.00029604 Jy ! Component: 100 - total flux cleaned = -0.000396317 Jy ! Component: 150 - total flux cleaned = -0.000537991 Jy ! Component: 200 - total flux cleaned = -0.000671624 Jy ! Total flux subtracted in 200 components = -0.000671624 Jy ! Clean residual min=-0.001816 max=0.001651 Jy/beam ! Clean residual mean=0.000007 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.748417 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 135 components and 0.748417 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=0.059163Jy sigma=1.063542 ! Fit after self-cal, rms=0.059158Jy sigma=1.063464 ! 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=0.059158Jy sigma=1.063464 ! Fit after self-cal, rms=0.059124Jy sigma=1.062976 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.159 mas, bmaj=2.45 mas, bpa=43.15 degrees ! Estimated noise=0.326567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00246018 Jy ! Component: 100 - total flux cleaned = -0.00265193 Jy ! Component: 150 - total flux cleaned = -0.00285005 Jy ! Component: 200 - total flux cleaned = -0.00293358 Jy ! Total flux subtracted in 200 components = -0.00293358 Jy ! Clean residual min=-0.002217 max=0.001954 Jy/beam ! Clean residual mean=0.000018 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.745483 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 149 components and 0.745483 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=0.059081Jy sigma=1.062017 ! Fit after self-cal, rms=0.059073Jy sigma=1.061864 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 = -5.01761e-05 Jy ! Component: 100 - total flux cleaned = -8.06013e-05 Jy ! Component: 150 - total flux cleaned = -0.000135603 Jy ! Component: 200 - total flux cleaned = -8.55137e-05 Jy ! Total flux subtracted in 200 components = -8.55137e-05 Jy ! Clean residual min=-0.002173 max=0.001901 Jy/beam ! Clean residual mean=0.000018 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.745398 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 160 components and 0.745398 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=0.059060Jy sigma=1.061589 ! Fit after self-cal, rms=0.059058Jy sigma=1.061554 ! 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=0.9586 mas, bmaj=1.146 mas, bpa=19.93 degrees ! Estimated noise=0.234704 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9586 x 1.146 at 19.93 degrees (North through East) ! Clean map min=-0.0014559 max=0.46516 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=0.7412 mas, bmaj=0.9555 mas, bpa=23.38 degrees ! Estimated noise=0.41033 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.35162 Jy ! Component: 100 - total flux cleaned = 0.492275 Jy ! Component: 150 - total flux cleaned = 0.569454 Jy ! Component: 200 - total flux cleaned = 0.613514 Jy ! Total flux subtracted in 200 components = 0.613514 Jy ! Clean residual min=-0.007313 max=0.022039 Jy/beam ! Clean residual mean=0.000006 rms=0.001658 Jy/beam ! Combined flux in latest and established models = 0.613514 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.613514 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9586 mas, bmaj=1.146 mas, bpa=19.93 degrees ! Estimated noise=0.234704 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 = 0.0387404 Jy ! Component: 100 - total flux cleaned = 0.0604843 Jy ! Component: 150 - total flux cleaned = 0.0749306 Jy ! Component: 200 - total flux cleaned = 0.0853146 Jy ! Total flux subtracted in 200 components = 0.0853146 Jy ! Clean residual min=-0.002941 max=0.007026 Jy/beam ! Clean residual mean=0.000021 rms=0.000833 Jy/beam ! Combined flux in latest and established models = 0.698828 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 44 components and 0.698828 Jy ! Inverting map ! Added new window around map position (-0.4, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00816675 Jy ! Component: 100 - total flux cleaned = 0.0146201 Jy ! Component: 150 - total flux cleaned = 0.0199392 Jy ! Component: 200 - total flux cleaned = 0.0243759 Jy ! Total flux subtracted in 200 components = 0.0243759 Jy ! Clean residual min=-0.002095 max=0.002702 Jy/beam ! Clean residual mean=0.000013 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 0.723204 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 70 components and 0.723204 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00371656 Jy ! Component: 100 - total flux cleaned = 0.00684211 Jy ! Component: 150 - total flux cleaned = 0.00919003 Jy ! Component: 200 - total flux cleaned = 0.0108737 Jy ! Total flux subtracted in 200 components = 0.0108737 Jy ! Clean residual min=-0.001897 max=0.002032 Jy/beam ! Clean residual mean=0.000010 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.734078 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 86 components and 0.734078 Jy ! Inverting map ! Added new window around map position (-3.2, 7.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181434 Jy ! Component: 100 - total flux cleaned = 0.00312901 Jy ! Component: 150 - total flux cleaned = 0.00431994 Jy ! Component: 200 - total flux cleaned = 0.00527747 Jy ! Total flux subtracted in 200 components = 0.00527747 Jy ! Clean residual min=-0.001618 max=0.001682 Jy/beam ! Clean residual mean=0.000008 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.739355 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 99 components and 0.739355 Jy ! Inverting map ! Added new window around map position (0.4, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00148949 Jy ! Component: 100 - total flux cleaned = 0.00211885 Jy ! Component: 150 - total flux cleaned = 0.00264932 Jy ! Component: 200 - total flux cleaned = 0.00314237 Jy ! Total flux subtracted in 200 components = 0.00314237 Jy ! Clean residual min=-0.001387 max=0.001484 Jy/beam ! Clean residual mean=0.000007 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.742497 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 113 components and 0.742497 Jy ! Inverting map ! Added new window around map position (4.4, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000703998 Jy ! Component: 100 - total flux cleaned = 0.000971428 Jy ! Component: 150 - total flux cleaned = 0.00122366 Jy ! Component: 200 - total flux cleaned = 0.00149934 Jy ! Total flux subtracted in 200 components = 0.00149934 Jy ! Clean residual min=-0.001374 max=0.001337 Jy/beam ! Clean residual mean=0.000006 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.743997 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 127 components and 0.743997 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=2.159 mas, bmaj=2.45 mas, bpa=43.15 degrees ! Estimated noise=0.326567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000769117 Jy ! Component: 100 - total flux cleaned = 0.00114328 Jy ! Component: 150 - total flux cleaned = 0.00134877 Jy ! Component: 200 - total flux cleaned = 0.00152665 Jy ! Total flux subtracted in 200 components = 0.00152665 Jy ! Clean residual min=-0.001798 max=0.001875 Jy/beam ! Clean residual mean=0.000016 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.745523 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 = 0.000156148 Jy ! Component: 100 - total flux cleaned = 0.000249279 Jy ! Component: 150 - total flux cleaned = 0.000376083 Jy ! Component: 200 - total flux cleaned = 0.000473986 Jy ! Total flux subtracted in 200 components = 0.000473986 Jy ! Clean residual min=-0.001746 max=0.001863 Jy/beam ! Clean residual mean=0.000016 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.745997 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 181 components and 0.745997 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9586 mas, bmaj=1.146 mas, bpa=19.93 degrees ! Estimated noise=0.234704 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00059543 Jy ! Component: 100 - total flux cleaned = -0.000633165 Jy ! Component: 150 - total flux cleaned = -0.000698088 Jy ! Component: 200 - total flux cleaned = -0.000787073 Jy ! Total flux subtracted in 200 components = -0.000787073 Jy ! Clean residual min=-0.001382 max=0.001323 Jy/beam ! Clean residual mean=0.000006 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.74521 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 193 components and 0.74521 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=0.058837Jy sigma=1.057277 ! Fit after self-cal, rms=0.058816Jy sigma=1.056878 wmodel J1927+6117_X_map.mod ! Writing 193 model components to file: J1927+6117_X_map.mod wobs J1927+6117_X_uvs.fits ! Writing UV FITS file: J1927+6117_X_uvs.fits wwins J1927+6117_X_map.win ! wwins: Wrote 10 windows to J1927+6117_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 = 0.000103986 Jy ! Component: 100 - total flux cleaned = 0.000219207 Jy ! Component: 150 - total flux cleaned = 0.000397233 Jy ! Component: 200 - total flux cleaned = 0.000483744 Jy ! Component: 250 - total flux cleaned = 0.000631941 Jy ! Component: 300 - total flux cleaned = 0.000756463 Jy ! Component: 350 - total flux cleaned = 0.000899239 Jy ! Component: 400 - total flux cleaned = 0.00103901 Jy ! Component: 450 - total flux cleaned = 0.00111732 Jy ! Component: 500 - total flux cleaned = 0.0011946 Jy ! Component: 550 - total flux cleaned = 0.00129002 Jy ! Component: 600 - total flux cleaned = 0.00136553 Jy ! Component: 650 - total flux cleaned = 0.00151417 Jy ! Component: 700 - total flux cleaned = 0.00158715 Jy ! Component: 750 - total flux cleaned = 0.0016415 Jy ! Component: 800 - total flux cleaned = 0.0017133 Jy ! Component: 850 - total flux cleaned = 0.00181992 Jy ! Component: 900 - total flux cleaned = 0.00187236 Jy ! Component: 950 - total flux cleaned = 0.00195877 Jy ! Component: 1000 - total flux cleaned = 0.00200974 Jy ! Component: 1050 - total flux cleaned = 0.00204372 Jy ! Component: 1100 - total flux cleaned = 0.00209417 Jy ! Component: 1150 - total flux cleaned = 0.00214438 Jy ! Component: 1200 - total flux cleaned = 0.00222683 Jy ! Component: 1250 - total flux cleaned = 0.0022921 Jy ! Component: 1300 - total flux cleaned = 0.00235694 Jy ! Component: 1350 - total flux cleaned = 0.00238921 Jy ! Component: 1400 - total flux cleaned = 0.00245283 Jy ! Component: 1450 - total flux cleaned = 0.00248445 Jy ! Component: 1500 - total flux cleaned = 0.00256252 Jy ! Component: 1550 - total flux cleaned = 0.00260893 Jy ! Component: 1600 - total flux cleaned = 0.0026855 Jy ! Component: 1650 - total flux cleaned = 0.00268541 Jy ! Component: 1700 - total flux cleaned = 0.0027156 Jy ! Component: 1750 - total flux cleaned = 0.00277574 Jy ! Component: 1800 - total flux cleaned = 0.00274574 Jy ! Component: 1850 - total flux cleaned = 0.00287897 Jy ! Component: 1900 - total flux cleaned = 0.00286425 Jy ! Component: 1950 - total flux cleaned = 0.00293724 Jy ! Component: 2000 - total flux cleaned = 0.00298071 Jy ! Component: 2050 - total flux cleaned = 0.0029952 Jy ! Component: 2100 - total flux cleaned = 0.00308101 Jy ! Component: 2150 - total flux cleaned = 0.00309509 Jy ! Component: 2200 - total flux cleaned = 0.00316564 Jy ! Component: 2250 - total flux cleaned = 0.00317953 Jy ! Component: 2300 - total flux cleaned = 0.00319336 Jy ! Component: 2350 - total flux cleaned = 0.00330423 Jy ! Component: 2400 - total flux cleaned = 0.00337294 Jy ! Component: 2450 - total flux cleaned = 0.00335928 Jy ! Component: 2500 - total flux cleaned = 0.00337282 Jy ! Component: 2550 - total flux cleaned = 0.00344048 Jy ! Component: 2600 - total flux cleaned = 0.00348073 Jy ! Component: 2650 - total flux cleaned = 0.00356066 Jy ! Component: 2700 - total flux cleaned = 0.00356066 Jy ! Component: 2750 - total flux cleaned = 0.00356074 Jy ! Component: 2800 - total flux cleaned = 0.00358698 Jy ! Component: 2850 - total flux cleaned = 0.00361317 Jy ! Component: 2900 - total flux cleaned = 0.00363917 Jy ! Component: 2950 - total flux cleaned = 0.00361336 Jy ! Component: 3000 - total flux cleaned = 0.00366465 Jy ! Component: 3050 - total flux cleaned = 0.00369012 Jy ! Component: 3100 - total flux cleaned = 0.00372811 Jy ! Component: 3150 - total flux cleaned = 0.00376605 Jy ! Component: 3200 - total flux cleaned = 0.00374088 Jy ! Component: 3250 - total flux cleaned = 0.00372838 Jy ! Component: 3300 - total flux cleaned = 0.00377799 Jy ! Component: 3350 - total flux cleaned = 0.00377791 Jy ! Component: 3400 - total flux cleaned = 0.00377789 Jy ! Component: 3450 - total flux cleaned = 0.00377797 Jy ! Component: 3500 - total flux cleaned = 0.00381444 Jy ! Component: 3550 - total flux cleaned = 0.00377816 Jy ! Component: 3600 - total flux cleaned = 0.00381434 Jy ! Component: 3650 - total flux cleaned = 0.00381428 Jy ! Component: 3700 - total flux cleaned = 0.00383809 Jy ! Component: 3750 - total flux cleaned = 0.00387366 Jy ! Component: 3800 - total flux cleaned = 0.00383828 Jy ! Component: 3850 - total flux cleaned = 0.00389687 Jy ! Component: 3900 - total flux cleaned = 0.00390844 Jy ! Component: 3950 - total flux cleaned = 0.00397817 Jy ! Component: 4000 - total flux cleaned = 0.00396658 Jy ! Component: 4050 - total flux cleaned = 0.0039089 Jy ! Total flux subtracted in 4096 components = 0.00390886 Jy ! Clean residual min=-0.000768 max=0.000609 Jy/beam ! Clean residual mean=0.000003 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.749119 Jy keep ! Adding 366 model components to the UV plane model. ! The established model now contains 559 components and 0.749119 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1927+6117_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9586 x 1.146 at 19.93 degrees (North through East) ! Clean map min=-0.0009803 max=0.46509 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1927+6117_X_map.fits wmodel /vlbi/uf001/uva//J1927+6117_X_map.mod ! Writing 559 model components to file: /vlbi/uf001/uva//J1927+6117_X_map.mod wobs /vlbi/uf001/uva//J1927+6117_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1927+6117_X_uvs.fits wwins /vlbi/uf001/uva//J1927+6117_X_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J1927+6117_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.465092 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000198377 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.12796 0.12796 0.25592 0.51184 1.02368 2.04736 4.09472 8.18944 16.3789 32.7577 65.5155 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.465 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2344.48 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1927+6117_X_dfm.log closed on Mon Jan 14 05:04:41 2019