! Started logfile: /vlbi/uf001/uva//J0253+5102_X_dfm.log on Sun Jan 13 21:34:29 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//J0253+5102_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0253+5102_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.957143 visibilities/baseline/integration-bin. ! Found source: J0253+5102 ! ! 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 21708 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 J0253+5102_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 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.031483Jy sigma=23.536690 ! Fit after self-cal, rms=0.777312Jy sigma=17.756779 ! 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=0.7309 mas, bmaj=1.141 mas, bpa=-3.946 degrees ! Estimated noise=0.417079 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 = 0.166477 Jy ! Component: 100 - total flux cleaned = 0.207214 Jy ! Total flux subtracted in 100 components = 0.207214 Jy ! Clean residual min=-0.006661 max=0.016435 Jy/beam ! Clean residual mean=-0.000005 rms=0.001637 Jy/beam ! Combined flux in latest and established models = 0.207214 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.207214 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=0.071089Jy sigma=1.579012 ! Fit after self-cal, rms=0.071064Jy sigma=1.578248 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180791 Jy ! Component: 100 - total flux cleaned = 0.0275457 Jy ! Total flux subtracted in 100 components = 0.0275457 Jy ! Clean residual min=-0.005156 max=0.013424 Jy/beam ! Clean residual mean=-0.000004 rms=0.001304 Jy/beam ! Combined flux in latest and established models = 0.23476 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 0.23476 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=0.064682Jy sigma=1.438469 ! Fit after self-cal, rms=0.064642Jy sigma=1.437079 ! Inverting map ! Added new window around map position (1.6, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136383 Jy ! Component: 100 - total flux cleaned = 0.021289 Jy ! Total flux subtracted in 100 components = 0.021289 Jy ! Clean residual min=-0.004548 max=0.007389 Jy/beam ! Clean residual mean=-0.000003 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.256049 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 0.256049 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=0.060370Jy sigma=1.331446 ! Fit after self-cal, rms=0.060064Jy sigma=1.324214 ! Inverting map ! Added new window around map position (0.2, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00736956 Jy ! Component: 100 - total flux cleaned = 0.0125215 Jy ! Total flux subtracted in 100 components = 0.0125215 Jy ! Clean residual min=-0.004212 max=0.005439 Jy/beam ! Clean residual mean=-0.000002 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.26857 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 33 components and 0.26857 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=0.058647Jy sigma=1.288965 ! Fit after self-cal, rms=0.058586Jy sigma=1.287612 ! Inverting map ! Added new window around map position (2.8, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00536697 Jy ! Component: 100 - total flux cleaned = 0.00920558 Jy ! Total flux subtracted in 100 components = 0.00920558 Jy ! Clean residual min=-0.003997 max=0.004447 Jy/beam ! Clean residual mean=-0.000002 rms=0.000858 Jy/beam ! Combined flux in latest and established models = 0.277776 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 0.277776 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=0.057897Jy sigma=1.270967 ! Fit after self-cal, rms=0.057865Jy sigma=1.270280 ! 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=0.9316 mas, bmaj=1.446 mas, bpa=-3.194 degrees ! Estimated noise=0.230564 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 = 0.00523009 Jy ! Component: 100 - total flux cleaned = 0.00857266 Jy ! Component: 150 - total flux cleaned = 0.0109265 Jy ! Component: 200 - total flux cleaned = 0.0119981 Jy ! Total flux subtracted in 200 components = 0.0119981 Jy ! Clean residual min=-0.004315 max=0.004647 Jy/beam ! Clean residual mean=-0.000003 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.289774 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 49 components and 0.289774 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=0.057321Jy sigma=1.256640 ! Fit after self-cal, rms=0.057284Jy sigma=1.255799 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9316 x 1.446 at -3.194 degrees (North through East) ! Clean map min=-0.0040466 max=0.21895 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 0.97 KP 1.03 ! LA 0.98 MK 1.03 NL 1.07 OV 0.92 ! PT 0.95 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.95 KP 1.00 ! LA 1.00 MK 1.03 NL 1.11 OV 0.91 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.96 KP 1.03 ! LA 0.99 MK 1.05 NL 1.07 OV 0.92 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 0.95 KP 1.03 ! LA 1.00 MK 1.03 NL 1.05 OV 0.91 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.97 KP 1.04 ! LA 1.01 MK 1.05 NL 1.08 OV 0.91 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.98 KP 1.02 ! LA 0.99 MK 1.05 NL 1.08 OV 0.94 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.03 HN 0.96 KP 1.04 ! LA 1.00 MK 1.03 NL 1.08 OV 0.91 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.95 KP 1.04 ! LA 1.00 MK 1.04 NL 1.08 OV 0.92 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.97 KP 1.00 ! LA 1.00 MK 1.04 NL 1.12 OV 0.94 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.96 KP 1.02 ! LA 1.02 MK 1.01 NL 1.09 OV 0.92 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.99 KP 1.03 ! LA 1.00 MK 1.03 NL 1.08 OV 0.92 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.97 KP 1.02 ! LA 1.01 MK 1.05 NL 1.07 OV 0.92 ! PT 0.95 SC 0.97 ! ! ! Fit before self-cal, rms=0.057284Jy sigma=1.255799 ! Fit after self-cal, rms=0.054955Jy sigma=1.198376 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9329 mas, bmaj=1.452 mas, bpa=-2.832 degrees ! Estimated noise=0.23108 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 = -0.00296535 Jy ! Component: 100 - total flux cleaned = -0.00327457 Jy ! Component: 150 - total flux cleaned = -0.00346157 Jy ! Component: 200 - total flux cleaned = -0.00351055 Jy ! Total flux subtracted in 200 components = -0.00351055 Jy ! Clean residual min=-0.001878 max=0.001871 Jy/beam ! Clean residual mean=0.000005 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.286263 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.286263 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=0.054748Jy sigma=1.193570 ! Fit after self-cal, rms=0.054749Jy sigma=1.193092 ! 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=0.054749Jy sigma=1.193092 ! Fit after self-cal, rms=0.054377Jy sigma=1.183433 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9314 mas, bmaj=1.448 mas, bpa=-2.777 degrees ! Estimated noise=0.230685 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00161859 Jy ! Component: 100 - total flux cleaned = -0.00197523 Jy ! Component: 150 - total flux cleaned = -0.00205671 Jy ! Component: 200 - total flux cleaned = -0.00205623 Jy ! Total flux subtracted in 200 components = -0.00205623 Jy ! Clean residual min=-0.001487 max=0.001441 Jy/beam ! Clean residual mean=0.000002 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.284207 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 71 components and 0.284207 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=0.054299Jy sigma=1.181516 ! Fit after self-cal, rms=0.054296Jy sigma=1.181350 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 = -0.00024803 Jy ! Component: 100 - total flux cleaned = -0.000277862 Jy ! Component: 150 - total flux cleaned = -0.000300065 Jy ! Component: 200 - total flux cleaned = -0.000279885 Jy ! Total flux subtracted in 200 components = -0.000279885 Jy ! Clean residual min=-0.001444 max=0.001380 Jy/beam ! Clean residual mean=0.000002 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.283927 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 76 components and 0.283927 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=0.054276Jy sigma=1.180870 ! Fit after self-cal, rms=0.054274Jy sigma=1.180845 ! 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=0.054274Jy sigma=1.180845 ! Fit after self-cal, rms=0.054220Jy sigma=1.180164 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9297 mas, bmaj=1.448 mas, bpa=-2.826 degrees ! Estimated noise=0.230683 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000878127 Jy ! Component: 100 - total flux cleaned = -0.0011485 Jy ! Component: 150 - total flux cleaned = -0.00114914 Jy ! Component: 200 - total flux cleaned = -0.00108828 Jy ! Total flux subtracted in 200 components = -0.00108828 Jy ! Clean residual min=-0.001353 max=0.001291 Jy/beam ! Clean residual mean=0.000002 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.282839 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 78 components and 0.282839 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=0.054190Jy sigma=1.179408 ! Fit after self-cal, rms=0.054187Jy sigma=1.179353 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 = -0.000162515 Jy ! Component: 100 - total flux cleaned = -0.000144057 Jy ! Component: 150 - total flux cleaned = -0.000110991 Jy ! Component: 200 - total flux cleaned = -7.97384e-05 Jy ! Total flux subtracted in 200 components = -7.97384e-05 Jy ! Clean residual min=-0.001324 max=0.001266 Jy/beam ! Clean residual mean=0.000002 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.282759 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 82 components and 0.282759 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=0.054177Jy sigma=1.179110 ! Fit after self-cal, rms=0.054176Jy sigma=1.179101 ! 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=0.054176Jy sigma=1.179101 ! Fit after self-cal, rms=0.054146Jy sigma=1.178842 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.202 mas, bmaj=2.497 mas, bpa=-4.15 degrees ! Estimated noise=0.298653 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.22009e-05 Jy ! Component: 100 - total flux cleaned = -4.00286e-06 Jy ! Component: 150 - total flux cleaned = -3.27228e-06 Jy ! Component: 200 - total flux cleaned = 9.79849e-06 Jy ! Total flux subtracted in 200 components = 9.79849e-06 Jy ! Clean residual min=-0.001406 max=0.001240 Jy/beam ! Clean residual mean=0.000005 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.282769 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 92 components and 0.282769 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=0.054141Jy sigma=1.178706 ! Fit after self-cal, rms=0.054140Jy sigma=1.178693 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 = -1.56266e-05 Jy ! Component: 100 - total flux cleaned = -1.53106e-05 Jy ! Component: 150 - total flux cleaned = -2.27561e-05 Jy ! Component: 200 - total flux cleaned = -2.98137e-05 Jy ! Total flux subtracted in 200 components = -2.98137e-05 Jy ! Clean residual min=-0.001387 max=0.001244 Jy/beam ! Clean residual mean=0.000005 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.282739 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 96 components and 0.282739 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=0.054139Jy sigma=1.178658 ! Fit after self-cal, rms=0.054138Jy sigma=1.178653 ! 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=0.9285 mas, bmaj=1.448 mas, bpa=-2.859 degrees ! Estimated noise=0.230709 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9285 x 1.448 at -2.859 degrees (North through East) ! Clean map min=-0.0012402 max=0.21923 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=0.7296 mas, bmaj=1.14 mas, bpa=-3.615 degrees ! Estimated noise=0.416853 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.166192 Jy ! Component: 100 - total flux cleaned = 0.207686 Jy ! Component: 150 - total flux cleaned = 0.226794 Jy ! Component: 200 - total flux cleaned = 0.239059 Jy ! Total flux subtracted in 200 components = 0.239059 Jy ! Clean residual min=-0.003171 max=0.006777 Jy/beam ! Clean residual mean=-0.000001 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 0.239059 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.239059 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9285 mas, bmaj=1.448 mas, bpa=-2.859 degrees ! Estimated noise=0.230709 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 = 0.0132629 Jy ! Component: 100 - total flux cleaned = 0.0215571 Jy ! Component: 150 - total flux cleaned = 0.0272472 Jy ! Component: 200 - total flux cleaned = 0.0312729 Jy ! Total flux subtracted in 200 components = 0.0312729 Jy ! Clean residual min=-0.001479 max=0.002295 Jy/beam ! Clean residual mean=-0.000002 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.270332 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 47 components and 0.270332 Jy ! Inverting map ! Added new window around map position (1.2, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00297958 Jy ! Component: 100 - total flux cleaned = 0.00523252 Jy ! Component: 150 - total flux cleaned = 0.00695318 Jy ! Component: 200 - total flux cleaned = 0.00829502 Jy ! Total flux subtracted in 200 components = 0.00829502 Jy ! Clean residual min=-0.001205 max=0.001303 Jy/beam ! Clean residual mean=0.000001 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.278627 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 73 components and 0.278627 Jy ! Inverting map ! Added new window around map position (15.2, -47.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127677 Jy ! Component: 100 - total flux cleaned = 0.00219876 Jy ! Component: 150 - total flux cleaned = 0.0028711 Jy ! Component: 200 - total flux cleaned = 0.00324153 Jy ! Total flux subtracted in 200 components = 0.00324153 Jy ! Clean residual min=-0.001127 max=0.001119 Jy/beam ! Clean residual mean=0.000001 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.281868 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 86 components and 0.281868 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=2.202 mas, bmaj=2.497 mas, bpa=-4.15 degrees ! Estimated noise=0.298653 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000887205 Jy ! Component: 100 - total flux cleaned = 0.00112054 Jy ! Component: 150 - total flux cleaned = 0.00123348 Jy ! Component: 200 - total flux cleaned = 0.00134448 Jy ! Total flux subtracted in 200 components = 0.00134448 Jy ! Clean residual min=-0.001362 max=0.001216 Jy/beam ! Clean residual mean=0.000003 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.283213 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 = 8.11502e-05 Jy ! Component: 100 - total flux cleaned = 0.000151465 Jy ! Component: 150 - total flux cleaned = 0.000203133 Jy ! Component: 200 - total flux cleaned = 0.00024072 Jy ! Total flux subtracted in 200 components = 0.00024072 Jy ! Clean residual min=-0.001352 max=0.001219 Jy/beam ! Clean residual mean=0.000004 rms=0.000322 Jy/beam ! Combined flux in latest and established models = 0.283454 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 124 components and 0.283454 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9285 mas, bmaj=1.448 mas, bpa=-2.859 degrees ! Estimated noise=0.230709 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.41991e-05 Jy ! Component: 100 - total flux cleaned = 4.03437e-05 Jy ! Component: 150 - total flux cleaned = 5.53104e-05 Jy ! Component: 200 - total flux cleaned = 4.1238e-05 Jy ! Total flux subtracted in 200 components = 4.1238e-05 Jy ! Clean residual min=-0.001129 max=0.001119 Jy/beam ! Clean residual mean=0.000001 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.283495 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 139 components and 0.283495 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=0.054089Jy sigma=1.177462 ! Fit after self-cal, rms=0.054081Jy sigma=1.177321 wmodel J0253+5102_X_map.mod ! Writing 139 model components to file: J0253+5102_X_map.mod wobs J0253+5102_X_uvs.fits ! Writing UV FITS file: J0253+5102_X_uvs.fits wwins J0253+5102_X_map.win ! wwins: Wrote 6 windows to J0253+5102_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 = 8.51679e-05 Jy ! Component: 100 - total flux cleaned = 0.000125341 Jy ! Component: 150 - total flux cleaned = 0.00022229 Jy ! Component: 200 - total flux cleaned = 0.000297273 Jy ! Component: 250 - total flux cleaned = 0.000406842 Jy ! Component: 300 - total flux cleaned = 0.000478417 Jy ! Component: 350 - total flux cleaned = 0.000566194 Jy ! Component: 400 - total flux cleaned = 0.000634802 Jy ! Component: 450 - total flux cleaned = 0.000583963 Jy ! Component: 500 - total flux cleaned = 0.000551046 Jy ! Component: 550 - total flux cleaned = 0.000567844 Jy ! Component: 600 - total flux cleaned = 0.000616627 Jy ! Component: 650 - total flux cleaned = 0.000696593 Jy ! Component: 700 - total flux cleaned = 0.000807251 Jy ! Component: 750 - total flux cleaned = 0.000869328 Jy ! Component: 800 - total flux cleaned = 0.000899977 Jy ! Component: 850 - total flux cleaned = 0.000945529 Jy ! Component: 900 - total flux cleaned = 0.000975704 Jy ! Component: 950 - total flux cleaned = 0.00100574 Jy ! Component: 1000 - total flux cleaned = 0.00106469 Jy ! Component: 1050 - total flux cleaned = 0.00102069 Jy ! Component: 1100 - total flux cleaned = 0.00107867 Jy ! Component: 1150 - total flux cleaned = 0.00104999 Jy ! Component: 1200 - total flux cleaned = 0.00107853 Jy ! Component: 1250 - total flux cleaned = 0.00113498 Jy ! Component: 1300 - total flux cleaned = 0.00120482 Jy ! Component: 1350 - total flux cleaned = 0.00116299 Jy ! Component: 1400 - total flux cleaned = 0.00123199 Jy ! Component: 1450 - total flux cleaned = 0.00125927 Jy ! Component: 1500 - total flux cleaned = 0.00131355 Jy ! Component: 1550 - total flux cleaned = 0.00131379 Jy ! Component: 1600 - total flux cleaned = 0.00135379 Jy ! Component: 1650 - total flux cleaned = 0.0014068 Jy ! Component: 1700 - total flux cleaned = 0.00144627 Jy ! Component: 1750 - total flux cleaned = 0.00152456 Jy ! Component: 1800 - total flux cleaned = 0.00152444 Jy ! Component: 1850 - total flux cleaned = 0.00157594 Jy ! Component: 1900 - total flux cleaned = 0.00160151 Jy ! Component: 1950 - total flux cleaned = 0.00165237 Jy ! Component: 2000 - total flux cleaned = 0.00170288 Jy ! Component: 2050 - total flux cleaned = 0.00179025 Jy ! Component: 2100 - total flux cleaned = 0.00185239 Jy ! Component: 2150 - total flux cleaned = 0.00183985 Jy ! Component: 2200 - total flux cleaned = 0.00195014 Jy ! Component: 2250 - total flux cleaned = 0.00197443 Jy ! Component: 2300 - total flux cleaned = 0.00195013 Jy ! Component: 2350 - total flux cleaned = 0.00199813 Jy ! Component: 2400 - total flux cleaned = 0.00196232 Jy ! Component: 2450 - total flux cleaned = 0.00199793 Jy ! Component: 2500 - total flux cleaned = 0.00206875 Jy ! Component: 2550 - total flux cleaned = 0.0020453 Jy ! Component: 2600 - total flux cleaned = 0.00203376 Jy ! Component: 2650 - total flux cleaned = 0.00204544 Jy ! Component: 2700 - total flux cleaned = 0.00206849 Jy ! Component: 2750 - total flux cleaned = 0.00210287 Jy ! Component: 2800 - total flux cleaned = 0.00214852 Jy ! Component: 2850 - total flux cleaned = 0.00213704 Jy ! Component: 2900 - total flux cleaned = 0.00211454 Jy ! Component: 2950 - total flux cleaned = 0.00214823 Jy ! Component: 3000 - total flux cleaned = 0.00215937 Jy ! Component: 3050 - total flux cleaned = 0.00215933 Jy ! Component: 3100 - total flux cleaned = 0.00219248 Jy ! Component: 3150 - total flux cleaned = 0.00225823 Jy ! Component: 3200 - total flux cleaned = 0.00223639 Jy ! Component: 3250 - total flux cleaned = 0.00231228 Jy ! Component: 3300 - total flux cleaned = 0.00224758 Jy ! Component: 3350 - total flux cleaned = 0.0022904 Jy ! Component: 3400 - total flux cleaned = 0.00230111 Jy ! Component: 3450 - total flux cleaned = 0.00234366 Jy ! Component: 3500 - total flux cleaned = 0.00234366 Jy ! Component: 3550 - total flux cleaned = 0.00234367 Jy ! Component: 3600 - total flux cleaned = 0.00237506 Jy ! Component: 3650 - total flux cleaned = 0.00238543 Jy ! Component: 3700 - total flux cleaned = 0.00245774 Jy ! Component: 3750 - total flux cleaned = 0.00246796 Jy ! Component: 3800 - total flux cleaned = 0.00249852 Jy ! Component: 3850 - total flux cleaned = 0.00249851 Jy ! Component: 3900 - total flux cleaned = 0.00252886 Jy ! Component: 3950 - total flux cleaned = 0.00254901 Jy ! Component: 4000 - total flux cleaned = 0.00254895 Jy ! Component: 4050 - total flux cleaned = 0.00256889 Jy ! Total flux subtracted in 4096 components = 0.00258879 Jy ! Clean residual min=-0.000671 max=0.000576 Jy/beam ! Clean residual mean=0.000001 rms=0.000171 Jy/beam ! Combined flux in latest and established models = 0.286084 Jy keep ! Adding 332 model components to the UV plane model. ! The established model now contains 471 components and 0.286084 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0253+5102_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9285 x 1.448 at -2.859 degrees (North through East) ! Clean map min=-0.00081926 max=0.21947 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0253+5102_X_map.fits wmodel /vlbi/uf001/uva//J0253+5102_X_map.mod ! Writing 471 model components to file: /vlbi/uf001/uva//J0253+5102_X_map.mod wobs /vlbi/uf001/uva//J0253+5102_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0253+5102_X_uvs.fits wwins /vlbi/uf001/uva//J0253+5102_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J0253+5102_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.219465 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000169876 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.232213 0.232213 0.464427 0.928854 1.85771 3.71542 7.43083 14.8617 29.7233 59.4466 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.219 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1291.91 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0253+5102_X_dfm.log closed on Sun Jan 13 21:34:34 2019