! Started logfile: /vlbi/uf001/uva//J1903+5540_X_dfm.log on Mon Jan 14 04:55:13 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//J1903+5540_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1903+5540_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.927969 visibilities/baseline/integration-bin. ! Found source: J1903+5540 ! ! 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 43596 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 J1903+5540_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 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003169Jy sigma=23.798443 ! Fit after self-cal, rms=0.928607Jy sigma=22.022171 ! 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=0.727 mas, bmaj=1.04 mas, bpa=-9.32 degrees ! Estimated noise=0.351089 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 = 0.0530075 Jy ! Component: 100 - total flux cleaned = 0.065291 Jy ! Total flux subtracted in 100 components = 0.065291 Jy ! Clean residual min=-0.002816 max=0.005951 Jy/beam ! Clean residual mean=0.000024 rms=0.000719 Jy/beam ! Combined flux in latest and established models = 0.065291 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.065291 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=0.058282Jy sigma=1.316961 ! Fit after self-cal, rms=0.058004Jy sigma=1.310841 ! Inverting map ! Added new window around map position (1, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00660203 Jy ! Component: 100 - total flux cleaned = 0.0109537 Jy ! Total flux subtracted in 100 components = 0.0109537 Jy ! Clean residual min=-0.002465 max=0.003834 Jy/beam ! Clean residual mean=0.000019 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.0762447 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.0762446 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=0.056618Jy sigma=1.275054 ! Fit after self-cal, rms=0.056548Jy sigma=1.273578 ! 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=0.9579 mas, bmaj=1.348 mas, bpa=-9.752 degrees ! Estimated noise=0.147167 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 = 0.00696329 Jy ! Component: 100 - total flux cleaned = 0.0111271 Jy ! Component: 150 - total flux cleaned = 0.0139028 Jy ! Component: 200 - total flux cleaned = 0.0157835 Jy ! Total flux subtracted in 200 components = 0.0157835 Jy ! Clean residual min=-0.001933 max=0.003340 Jy/beam ! Clean residual mean=0.000025 rms=0.000541 Jy/beam ! Combined flux in latest and established models = 0.0920282 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 31 components and 0.0920282 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=0.055638Jy sigma=1.250056 ! Fit after self-cal, rms=0.055550Jy sigma=1.248097 ! Inverting map ! Added new window around map position (2.6, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00354676 Jy ! Component: 100 - total flux cleaned = 0.00577584 Jy ! Component: 150 - total flux cleaned = 0.00737781 Jy ! Component: 200 - total flux cleaned = 0.00859287 Jy ! Total flux subtracted in 200 components = 0.00859287 Jy ! Clean residual min=-0.001638 max=0.002204 Jy/beam ! Clean residual mean=0.000017 rms=0.000421 Jy/beam ! Combined flux in latest and established models = 0.100621 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 56 components and 0.100621 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=0.055291Jy sigma=1.241454 ! Fit after self-cal, rms=0.055254Jy sigma=1.240609 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9579 x 1.348 at -9.752 degrees (North through East) ! Clean map min=-0.0015083 max=0.069777 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 1.01 KP 1.04 ! LA 0.98 MK 1.02 NL 1.10 OV 0.91 ! PT 0.94 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.96 KP 1.05 ! LA 0.98 MK 1.03 NL 1.11 OV 0.94 ! PT 0.91 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.93 KP 1.01 ! LA 0.96 MK 1.01 NL 1.10 OV 0.95 ! PT 0.92 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.98 KP 0.99 ! LA 0.98 MK 1.03 NL 1.10 OV 0.95 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.00 KP 1.01 ! LA 1.00 MK 1.01 NL 1.15 OV 0.96 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.98 KP 1.02 ! LA 0.99 MK 1.02 NL 1.09 OV 0.94 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 HN 1.00 KP 1.05 ! LA 0.98 MK 1.00 NL 1.12 OV 0.93 ! PT 0.92 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.90 KP 1.08 ! LA 1.00 MK 1.02 NL 1.11 OV 0.92 ! PT 0.90 SC 0.91 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.99 HN 0.97 KP 1.01 ! LA 1.00 MK 1.00 NL 1.14 OV 0.95 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 0.99 KP 1.03 ! LA 1.00 MK 1.09 NL 1.09 OV 0.92 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 1.01 KP 1.09 ! LA 1.02 MK 0.99 NL 1.10 OV 0.90 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.98 KP 1.00 ! LA 0.99 MK 0.99 NL 1.13 OV 0.92 ! PT 0.90 SC 0.97 ! ! ! Fit before self-cal, rms=0.055254Jy sigma=1.240609 ! Fit after self-cal, rms=0.054401Jy sigma=1.231587 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9563 mas, bmaj=1.344 mas, bpa=-9.195 degrees ! Estimated noise=0.146427 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 (4.4, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150671 Jy ! Component: 100 - total flux cleaned = 0.00221637 Jy ! Component: 150 - total flux cleaned = 0.00249687 Jy ! Component: 200 - total flux cleaned = 0.00271333 Jy ! Total flux subtracted in 200 components = 0.00271333 Jy ! Clean residual min=-0.001098 max=0.001046 Jy/beam ! Clean residual mean=0.000005 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.103334 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 79 components and 0.103334 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=0.054350Jy sigma=1.230242 ! Fit after self-cal, rms=0.054378Jy sigma=1.229910 ! 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=0.054378Jy sigma=1.229910 ! Fit after self-cal, rms=0.054406Jy sigma=1.227844 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9538 mas, bmaj=1.344 mas, bpa=-9.156 degrees ! Estimated noise=0.146242 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000650819 Jy ! Component: 100 - total flux cleaned = 0.000836729 Jy ! Component: 150 - total flux cleaned = 0.000980567 Jy ! Component: 200 - total flux cleaned = 0.00109155 Jy ! Total flux subtracted in 200 components = 0.00109155 Jy ! Clean residual min=-0.000923 max=0.000964 Jy/beam ! Clean residual mean=0.000004 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.104426 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 92 components and 0.104426 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=0.054389Jy sigma=1.227421 ! Fit after self-cal, rms=0.054398Jy sigma=1.227338 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 (8.4, 6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000939941 Jy ! Component: 100 - total flux cleaned = 0.00150101 Jy ! Component: 150 - total flux cleaned = 0.00184639 Jy ! Component: 200 - total flux cleaned = 0.00210367 Jy ! Total flux subtracted in 200 components = 0.00210367 Jy ! Clean residual min=-0.000888 max=0.000849 Jy/beam ! Clean residual mean=0.000003 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.10653 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 113 components and 0.10653 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=0.054378Jy sigma=1.226857 ! Fit after self-cal, rms=0.054375Jy sigma=1.226819 ! Inverting map ! Added new window around map position (-30.8, -50). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000791089 Jy ! Component: 100 - total flux cleaned = 0.00120112 Jy ! Component: 150 - total flux cleaned = 0.00141782 Jy ! Component: 200 - total flux cleaned = 0.00161666 Jy ! Total flux subtracted in 200 components = 0.00161666 Jy ! Clean residual min=-0.000837 max=0.000849 Jy/beam ! Clean residual mean=0.000002 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.108146 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 126 components and 0.108146 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=0.054360Jy sigma=1.226470 ! Fit after self-cal, rms=0.054358Jy sigma=1.226441 ! Inverting map ! Added new window around map position (41.4, -43.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000477242 Jy ! Component: 100 - total flux cleaned = 0.000547346 Jy ! Component: 150 - total flux cleaned = 0.000696492 Jy ! Component: 200 - total flux cleaned = 0.000820518 Jy ! Total flux subtracted in 200 components = 0.000820518 Jy ! Clean residual min=-0.000835 max=0.000790 Jy/beam ! Clean residual mean=0.000002 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.108967 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 140 components and 0.108967 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=0.054345Jy sigma=1.226136 ! Fit after self-cal, rms=0.054344Jy sigma=1.226119 ! 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=0.054344Jy sigma=1.226119 ! Fit after self-cal, rms=0.054283Jy sigma=1.225991 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9515 mas, bmaj=1.344 mas, bpa=-9.305 degrees ! Estimated noise=0.146193 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000403753 Jy ! Component: 100 - total flux cleaned = 0.000684989 Jy ! Component: 150 - total flux cleaned = 0.0008408 Jy ! Component: 200 - total flux cleaned = 0.000973287 Jy ! Total flux subtracted in 200 components = 0.000973287 Jy ! Clean residual min=-0.000812 max=0.000756 Jy/beam ! Clean residual mean=0.000002 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.10994 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 147 components and 0.10994 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=0.054275Jy sigma=1.225807 ! Fit after self-cal, rms=0.054275Jy sigma=1.225799 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 = 0.000179252 Jy ! Component: 100 - total flux cleaned = 0.000266869 Jy ! Component: 150 - total flux cleaned = 0.000326742 Jy ! Component: 200 - total flux cleaned = 0.000395962 Jy ! Total flux subtracted in 200 components = 0.000395962 Jy ! Clean residual min=-0.000787 max=0.000757 Jy/beam ! Clean residual mean=0.000002 rms=0.000179 Jy/beam ! Combined flux in latest and established models = 0.110336 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 150 components and 0.110336 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=0.054270Jy sigma=1.225686 ! Fit after self-cal, rms=0.054269Jy sigma=1.225682 ! 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=0.054269Jy sigma=1.225682 ! Fit after self-cal, rms=0.054280Jy sigma=1.225663 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.225 mas, bmaj=2.408 mas, bpa=-4.822 degrees ! Estimated noise=0.188879 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000658078 Jy ! Component: 100 - total flux cleaned = 0.00111595 Jy ! Component: 150 - total flux cleaned = 0.00145123 Jy ! Component: 200 - total flux cleaned = 0.00165195 Jy ! Total flux subtracted in 200 components = 0.00165195 Jy ! Clean residual min=-0.000871 max=0.000933 Jy/beam ! Clean residual mean=0.000003 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.111988 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 158 components and 0.111988 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=0.054278Jy sigma=1.225615 ! Fit after self-cal, rms=0.054278Jy sigma=1.225597 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 = 0.00031183 Jy ! Component: 100 - total flux cleaned = 0.000528448 Jy ! Component: 150 - total flux cleaned = 0.000670404 Jy ! Component: 200 - total flux cleaned = 0.000773075 Jy ! Total flux subtracted in 200 components = 0.000773075 Jy ! Clean residual min=-0.000813 max=0.000906 Jy/beam ! Clean residual mean=0.000002 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.112761 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 161 components and 0.112761 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=0.054278Jy sigma=1.225605 ! Fit after self-cal, rms=0.054278Jy sigma=1.225604 ! 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=0.9501 mas, bmaj=1.344 mas, bpa=-9.414 degrees ! Estimated noise=0.146272 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9501 x 1.344 at -9.414 degrees (North through East) ! Clean map min=-0.00072498 max=0.069135 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=0.72 mas, bmaj=1.035 mas, bpa=-9.168 degrees ! Estimated noise=0.348565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0524911 Jy ! Component: 100 - total flux cleaned = 0.0656124 Jy ! Component: 150 - total flux cleaned = 0.0729215 Jy ! Component: 200 - total flux cleaned = 0.0779411 Jy ! Total flux subtracted in 200 components = 0.0779411 Jy ! Clean residual min=-0.002178 max=0.002821 Jy/beam ! Clean residual mean=0.000016 rms=0.000534 Jy/beam ! Combined flux in latest and established models = 0.077941 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 0.077941 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9501 mas, bmaj=1.344 mas, bpa=-9.414 degrees ! Estimated noise=0.146272 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 = 0.00670147 Jy ! Component: 100 - total flux cleaned = 0.0110122 Jy ! Component: 150 - total flux cleaned = 0.0142 Jy ! Component: 200 - total flux cleaned = 0.0166528 Jy ! Total flux subtracted in 200 components = 0.0166528 Jy ! Clean residual min=-0.001243 max=0.001482 Jy/beam ! Clean residual mean=0.000015 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.0945939 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 74 components and 0.0945938 Jy ! Inverting map ! Added new window around map position (5.8, 2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00195697 Jy ! Component: 100 - total flux cleaned = 0.00358721 Jy ! Component: 150 - total flux cleaned = 0.00500144 Jy ! Component: 200 - total flux cleaned = 0.00624395 Jy ! Total flux subtracted in 200 components = 0.00624395 Jy ! Clean residual min=-0.000987 max=0.000966 Jy/beam ! Clean residual mean=0.000009 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.100838 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 116 components and 0.100838 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=2.225 mas, bmaj=2.408 mas, bpa=-4.822 degrees ! Estimated noise=0.188879 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00224946 Jy ! Component: 100 - total flux cleaned = 0.0039127 Jy ! Component: 150 - total flux cleaned = 0.00524201 Jy ! Component: 200 - total flux cleaned = 0.00633023 Jy ! Total flux subtracted in 200 components = 0.00633023 Jy ! Clean residual min=-0.001058 max=0.001229 Jy/beam ! Clean residual mean=0.000010 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.107168 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 = 0.000904657 Jy ! Component: 100 - total flux cleaned = 0.00167277 Jy ! Component: 150 - total flux cleaned = 0.00233352 Jy ! Component: 200 - total flux cleaned = 0.00290647 Jy ! Total flux subtracted in 200 components = 0.00290647 Jy ! Clean residual min=-0.000913 max=0.001068 Jy/beam ! Clean residual mean=0.000006 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.110074 Jy ! Adding 115 model components to the UV plane model. ! The established model now contains 212 components and 0.110074 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9501 mas, bmaj=1.344 mas, bpa=-9.414 degrees ! Estimated noise=0.146272 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000592701 Jy ! Component: 100 - total flux cleaned = 0.000839937 Jy ! Component: 150 - total flux cleaned = 0.000965921 Jy ! Component: 200 - total flux cleaned = 0.0010832 Jy ! Total flux subtracted in 200 components = 0.0010832 Jy ! Clean residual min=-0.000729 max=0.000718 Jy/beam ! Clean residual mean=0.000002 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.111158 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 232 components and 0.111158 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=0.054285Jy sigma=1.225762 ! Fit after self-cal, rms=0.054284Jy sigma=1.225702 wmodel J1903+5540_X_map.mod ! Writing 232 model components to file: J1903+5540_X_map.mod wobs J1903+5540_X_uvs.fits ! Writing UV FITS file: J1903+5540_X_uvs.fits wwins J1903+5540_X_map.win ! wwins: Wrote 8 windows to J1903+5540_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 = -0.000139446 Jy ! Component: 100 - total flux cleaned = -0.000216981 Jy ! Component: 150 - total flux cleaned = -0.000254196 Jy ! Component: 200 - total flux cleaned = -0.000266388 Jy ! Component: 250 - total flux cleaned = -0.000242898 Jy ! Component: 300 - total flux cleaned = -0.000208569 Jy ! Component: 350 - total flux cleaned = -0.00017463 Jy ! Component: 400 - total flux cleaned = -0.000152331 Jy ! Component: 450 - total flux cleaned = -0.000119439 Jy ! Component: 500 - total flux cleaned = -8.73022e-05 Jy ! Component: 550 - total flux cleaned = -8.73519e-05 Jy ! Component: 600 - total flux cleaned = -9.77249e-05 Jy ! Component: 650 - total flux cleaned = -0.000108031 Jy ! Component: 700 - total flux cleaned = -0.000128366 Jy ! Component: 750 - total flux cleaned = -0.000128377 Jy ! Component: 800 - total flux cleaned = -0.000128587 Jy ! Component: 850 - total flux cleaned = -0.000177444 Jy ! Component: 900 - total flux cleaned = -0.000196794 Jy ! Component: 950 - total flux cleaned = -0.000234968 Jy ! Component: 1000 - total flux cleaned = -0.00027269 Jy ! Component: 1050 - total flux cleaned = -0.000282017 Jy ! Component: 1100 - total flux cleaned = -0.000291254 Jy ! Component: 1150 - total flux cleaned = -0.000318928 Jy ! Component: 1200 - total flux cleaned = -0.000382363 Jy ! Component: 1250 - total flux cleaned = -0.000382233 Jy ! Component: 1300 - total flux cleaned = -0.000382373 Jy ! Component: 1350 - total flux cleaned = -0.000426448 Jy ! Component: 1400 - total flux cleaned = -0.00043518 Jy ! Component: 1450 - total flux cleaned = -0.000452516 Jy ! Component: 1500 - total flux cleaned = -0.000452463 Jy ! Component: 1550 - total flux cleaned = -0.000452507 Jy ! Component: 1600 - total flux cleaned = -0.000452513 Jy ! Component: 1650 - total flux cleaned = -0.000477754 Jy ! Component: 1700 - total flux cleaned = -0.00043619 Jy ! Component: 1750 - total flux cleaned = -0.000477499 Jy ! Component: 1800 - total flux cleaned = -0.000510326 Jy ! Component: 1850 - total flux cleaned = -0.000518402 Jy ! Component: 1900 - total flux cleaned = -0.000510354 Jy ! Component: 1950 - total flux cleaned = -0.000534459 Jy ! Component: 2000 - total flux cleaned = -0.000526592 Jy ! Component: 2050 - total flux cleaned = -0.000542454 Jy ! Component: 2100 - total flux cleaned = -0.000566065 Jy ! Component: 2150 - total flux cleaned = -0.000558207 Jy ! Component: 2200 - total flux cleaned = -0.000558289 Jy ! Component: 2250 - total flux cleaned = -0.000519828 Jy ! Component: 2300 - total flux cleaned = -0.000550524 Jy ! Component: 2350 - total flux cleaned = -0.000542884 Jy ! Component: 2400 - total flux cleaned = -0.000550466 Jy ! Component: 2450 - total flux cleaned = -0.000542902 Jy ! Component: 2500 - total flux cleaned = -0.000565325 Jy ! Component: 2550 - total flux cleaned = -0.00054302 Jy ! Component: 2600 - total flux cleaned = -0.000542893 Jy ! Component: 2650 - total flux cleaned = -0.000506131 Jy ! Component: 2700 - total flux cleaned = -0.000520796 Jy ! Component: 2750 - total flux cleaned = -0.00052078 Jy ! Component: 2800 - total flux cleaned = -0.000549769 Jy ! Component: 2850 - total flux cleaned = -0.000542579 Jy ! Component: 2900 - total flux cleaned = -0.000535389 Jy ! Component: 2950 - total flux cleaned = -0.000549678 Jy ! Component: 3000 - total flux cleaned = -0.000542621 Jy ! Component: 3050 - total flux cleaned = -0.000542667 Jy ! Component: 3100 - total flux cleaned = -0.000584597 Jy ! Component: 3150 - total flux cleaned = -0.000563712 Jy ! Component: 3200 - total flux cleaned = -0.000563704 Jy ! Component: 3250 - total flux cleaned = -0.000549936 Jy ! Component: 3300 - total flux cleaned = -0.000563613 Jy ! Component: 3350 - total flux cleaned = -0.000563542 Jy ! Component: 3400 - total flux cleaned = -0.000556791 Jy ! Component: 3450 - total flux cleaned = -0.000556749 Jy ! Component: 3500 - total flux cleaned = -0.000543353 Jy ! Component: 3550 - total flux cleaned = -0.000543369 Jy ! Component: 3600 - total flux cleaned = -0.00055004 Jy ! Component: 3650 - total flux cleaned = -0.000549996 Jy ! Component: 3700 - total flux cleaned = -0.000510547 Jy ! Component: 3750 - total flux cleaned = -0.00050405 Jy ! Component: 3800 - total flux cleaned = -0.000504076 Jy ! Component: 3850 - total flux cleaned = -0.000510565 Jy ! Component: 3900 - total flux cleaned = -0.000523455 Jy ! Component: 3950 - total flux cleaned = -0.000478441 Jy ! Component: 4000 - total flux cleaned = -0.00049127 Jy ! Component: 4050 - total flux cleaned = -0.000472152 Jy ! Total flux subtracted in 4096 components = -0.000491177 Jy ! Clean residual min=-0.000386 max=0.000412 Jy/beam ! Clean residual mean=0.000001 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.110667 Jy keep ! Adding 330 model components to the UV plane model. ! The established model now contains 562 components and 0.110667 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1903+5540_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9501 x 1.344 at -9.414 degrees (North through East) ! Clean map min=-0.00053816 max=0.068662 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1903+5540_X_map.fits wmodel /vlbi/uf001/uva//J1903+5540_X_map.mod ! Writing 562 model components to file: /vlbi/uf001/uva//J1903+5540_X_map.mod wobs /vlbi/uf001/uva//J1903+5540_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1903+5540_X_uvs.fits wwins /vlbi/uf001/uva//J1903+5540_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1903+5540_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0686622 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00010673 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.466326 0.466326 0.932652 1.8653 3.73061 7.46122 14.9224 29.8449 59.6897 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.068 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 643.326 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1903+5540_X_dfm.log closed on Mon Jan 14 04:55:20 2019