! Started logfile: /vlbi/bp222/maps//J2253+1942_X_dfm.log on Thu Sep 27 11:43:08 2018 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/bp222/maps//J2253+1942_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2253+1942_X_uvm.fits ! AN table 1: 15 integrations on 45 of 45 possible baselines. ! AN table 2: 63 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1.16113 visibilities/baseline/integration-bin. ! Found source: J2253+1942 ! ! 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 33984 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 J2253+1942_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 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.034549Jy sigma=15.994327 ! Fit after self-cal, rms=0.761299Jy sigma=11.676164 ! 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=0.6869 mas, bmaj=2.427 mas, bpa=-13.74 degrees ! Estimated noise=0.564184 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 = 0.186477 Jy ! Component: 100 - total flux cleaned = 0.227741 Jy ! Total flux subtracted in 100 components = 0.227741 Jy ! Clean residual min=-0.006563 max=0.013159 Jy/beam ! Clean residual mean=-0.000001 rms=0.001486 Jy/beam ! Combined flux in latest and established models = 0.227741 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.227741 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=0.073933Jy sigma=1.037393 ! Fit after self-cal, rms=0.073918Jy sigma=1.037279 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0146383 Jy ! Component: 100 - total flux cleaned = 0.0237852 Jy ! Total flux subtracted in 100 components = 0.0237852 Jy ! Clean residual min=-0.006144 max=0.006422 Jy/beam ! Clean residual mean=-0.000000 rms=0.001175 Jy/beam ! Combined flux in latest and established models = 0.251526 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 0.251526 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=0.070512Jy sigma=0.966317 ! Fit after self-cal, rms=0.070481Jy sigma=0.965863 ! 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=0.8932 mas, bmaj=2.542 mas, bpa=-12.88 degrees ! Estimated noise=0.309486 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 = 0.00805198 Jy ! Component: 100 - total flux cleaned = 0.0127374 Jy ! Component: 150 - total flux cleaned = 0.0157096 Jy ! Component: 200 - total flux cleaned = 0.0176879 Jy ! Total flux subtracted in 200 components = 0.0176879 Jy ! Clean residual min=-0.005305 max=0.006347 Jy/beam ! Clean residual mean=-0.000003 rms=0.001301 Jy/beam ! Combined flux in latest and established models = 0.269214 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 32 components and 0.269214 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=0.069746Jy sigma=0.945809 ! Fit after self-cal, rms=0.069720Jy sigma=0.945482 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8932 x 2.542 at -12.88 degrees (North through East) ! Clean map min=-0.0051853 max=0.24395 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.93 HN 0.97 KP 0.99 ! LA 1.04 MK 1.00 NL 0.96 OV 0.94 ! PT 0.98 SC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.96 HN 0.96 LA 0.99 ! MK 1.01 NL 1.11 OV 0.99 PT 0.97 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 HN 1.01 KP 0.98 ! LA 1.04 MK 1.00 NL 0.93 OV 0.97 ! PT 0.98 SC 1.09 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HN 0.96 LA 0.98 ! MK 0.97 NL 1.14 OV 0.99 PT 0.96 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 1.00 KP 1.03 ! LA 1.05 MK 1.02 NL 0.96 OV 0.97 ! PT 0.96 SC 1.11 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HN 0.96 LA 1.00 ! MK 0.97 NL 1.13 OV 0.99 PT 0.96 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 0.99 KP 1.02 ! LA 1.05 MK 1.01 NL 0.94 OV 0.96 ! PT 0.96 SC 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 HN 0.97 LA 1.00 ! MK 0.99 NL 1.13 OV 1.00 PT 0.96 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.95 HN 0.97 KP 0.99 ! LA 1.05 MK 1.02 NL 0.96 OV 0.98 ! PT 0.97 SC 1.05 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 HN 0.95 LA 1.00 ! MK 0.96 NL 1.13 OV 1.02 PT 1.00 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 HN 0.97 KP 1.00 ! LA 1.04 MK 1.05 NL 0.97 OV 0.98 ! PT 0.96 SC 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 HN 0.96 LA 0.99 ! MK 0.99 NL 1.13 OV 0.98 PT 0.98 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.00 KP 0.99 ! LA 1.03 MK 1.01 NL 0.94 OV 0.99 ! PT 0.98 SC 1.10 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 HN 0.95 LA 0.98 ! MK 1.00 NL 1.13 OV 0.99 PT 0.99 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 1.02 KP 1.02 ! LA 1.01 MK 1.04 NL 0.96 OV 1.00 ! PT 0.97 SC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 HN 0.96 LA 1.02 ! MK 0.98 NL 1.10 OV 1.00 PT 0.95 ! ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.97 HN 0.99 KP 0.99 ! LA 1.00 MK 0.99 NL 0.95 OV 0.99 ! PT 0.94 SC 1.07 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 HN 0.94 LA 1.01 ! MK 0.98 NL 1.13 OV 0.99 PT 0.98 ! ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.94 HN 0.96 KP 1.04 ! LA 1.05 MK 1.01 NL 0.95 OV 0.98 ! PT 0.94 SC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 HN 0.95 LA 0.98 ! MK 0.98 NL 1.14 OV 1.00 PT 0.96 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HN 0.99 KP 1.01 ! LA 1.07 MK 1.02 NL 0.93 OV 0.96 ! PT 0.94 SC 0.98 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 HN 0.95 LA 1.00 ! MK 0.98 NL 1.15 OV 0.98 PT 0.96 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 0.95 KP 0.98 ! LA 1.10 MK 1.00 NL 0.92 OV 0.94 ! PT 0.93 SC 1.02 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 HN 0.97 LA 1.02 ! MK 0.96 NL 1.15 OV 0.96 PT 0.95 ! ! ! Fit before self-cal, rms=0.069720Jy sigma=0.945482 ! Fit after self-cal, rms=0.069563Jy sigma=0.922108 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8955 mas, bmaj=2.557 mas, bpa=-13.05 degrees ! Estimated noise=0.308451 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 = 0.00055779 Jy ! Component: 100 - total flux cleaned = 0.000958673 Jy ! Component: 150 - total flux cleaned = 0.00124631 Jy ! Component: 200 - total flux cleaned = 0.00142245 Jy ! Total flux subtracted in 200 components = 0.00142245 Jy ! Clean residual min=-0.005035 max=0.005039 Jy/beam ! Clean residual mean=-0.000004 rms=0.001094 Jy/beam ! Combined flux in latest and established models = 0.270637 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.270637 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=0.069492Jy sigma=0.921282 ! Fit after self-cal, rms=0.069508Jy sigma=0.921144 ! 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=0.069508Jy sigma=0.921144 ! Fit after self-cal, rms=0.068633Jy sigma=0.903329 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8942 mas, bmaj=2.553 mas, bpa=-13.07 degrees ! Estimated noise=0.308057 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000843001 Jy ! Component: 100 - total flux cleaned = 0.00124349 Jy ! Component: 150 - total flux cleaned = 0.00151468 Jy ! Component: 200 - total flux cleaned = 0.00168926 Jy ! Total flux subtracted in 200 components = 0.00168926 Jy ! Clean residual min=-0.004655 max=0.004511 Jy/beam ! Clean residual mean=-0.000003 rms=0.000929 Jy/beam ! Combined flux in latest and established models = 0.272326 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 0.272326 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=0.068590Jy sigma=0.902770 ! Fit after self-cal, rms=0.068609Jy sigma=0.902723 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 = 0.000165673 Jy ! Component: 100 - total flux cleaned = 0.000318084 Jy ! Component: 150 - total flux cleaned = 0.000427442 Jy ! Component: 200 - total flux cleaned = 0.000524111 Jy ! Total flux subtracted in 200 components = 0.000524111 Jy ! Clean residual min=-0.004580 max=0.004518 Jy/beam ! Clean residual mean=-0.000003 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.27285 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 44 components and 0.27285 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=0.068589Jy sigma=0.902518 ! Fit after self-cal, rms=0.068587Jy sigma=0.902489 ! 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=0.068587Jy sigma=0.902489 ! Fit after self-cal, rms=0.070398Jy sigma=0.855024 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8939 mas, bmaj=2.548 mas, bpa=-12.98 degrees ! Estimated noise=0.307949 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000388931 Jy ! Component: 100 - total flux cleaned = 0.000418034 Jy ! Component: 150 - total flux cleaned = 0.00049625 Jy ! Component: 200 - total flux cleaned = 0.000566745 Jy ! Total flux subtracted in 200 components = 0.000566745 Jy ! Clean residual min=-0.001652 max=0.002878 Jy/beam ! Clean residual mean=-0.000001 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.273417 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 48 components and 0.273417 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=0.070370Jy sigma=0.854600 ! Fit after self-cal, rms=0.070527Jy sigma=0.854378 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 (-1.2, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231548 Jy ! Component: 100 - total flux cleaned = 0.00241377 Jy ! Component: 150 - total flux cleaned = 0.00247567 Jy ! Component: 200 - total flux cleaned = 0.00257666 Jy ! Total flux subtracted in 200 components = 0.00257666 Jy ! Clean residual min=-0.001480 max=0.001049 Jy/beam ! Clean residual mean=-0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.275993 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 65 components and 0.275993 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=0.070435Jy sigma=0.852968 ! Fit after self-cal, rms=0.070425Jy sigma=0.852865 ! 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=0.070425Jy sigma=0.852865 ! Fit after self-cal, rms=0.070612Jy sigma=0.852608 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.1 mas, bmaj=2.874 mas, bpa=-2.761 degrees ! Estimated noise=0.380617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000781508 Jy ! Component: 100 - total flux cleaned = 0.000856679 Jy ! Component: 150 - total flux cleaned = 0.000886085 Jy ! Component: 200 - total flux cleaned = 0.000925516 Jy ! Total flux subtracted in 200 components = 0.000925516 Jy ! Clean residual min=-0.001300 max=0.001118 Jy/beam ! Clean residual mean=-0.000001 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.276919 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 86 components and 0.276919 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=0.070598Jy sigma=0.852418 ! Fit after self-cal, rms=0.070599Jy sigma=0.852401 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 = 0.000163468 Jy ! Component: 100 - total flux cleaned = 0.000162665 Jy ! Component: 150 - total flux cleaned = 0.000172788 Jy ! Component: 200 - total flux cleaned = 0.000172745 Jy ! Total flux subtracted in 200 components = 0.000172745 Jy ! Clean residual min=-0.001268 max=0.001097 Jy/beam ! Clean residual mean=-0.000001 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.277092 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 96 components and 0.277092 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=0.070596Jy sigma=0.852354 ! Fit after self-cal, rms=0.070596Jy sigma=0.852351 ! 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=0.8932 mas, bmaj=2.545 mas, bpa=-12.96 degrees ! Estimated noise=0.307893 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8932 x 2.545 at -12.96 degrees (North through East) ! Clean map min=-0.0012376 max=0.24215 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=0.6871 mas, bmaj=2.444 mas, bpa=-13.87 degrees ! Estimated noise=0.551668 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.184607 Jy ! Component: 100 - total flux cleaned = 0.225442 Jy ! Component: 150 - total flux cleaned = 0.240326 Jy ! Component: 200 - total flux cleaned = 0.249718 Jy ! Total flux subtracted in 200 components = 0.249718 Jy ! Clean residual min=-0.002497 max=0.005111 Jy/beam ! Clean residual mean=-0.000000 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.249718 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.249718 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8932 mas, bmaj=2.545 mas, bpa=-12.96 degrees ! Estimated noise=0.307893 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 = 0.00906198 Jy ! Component: 100 - total flux cleaned = 0.0145912 Jy ! Component: 150 - total flux cleaned = 0.0182026 Jy ! Component: 200 - total flux cleaned = 0.0207295 Jy ! Total flux subtracted in 200 components = 0.0207295 Jy ! Clean residual min=-0.001321 max=0.001719 Jy/beam ! Clean residual mean=-0.000001 rms=0.000318 Jy/beam ! Combined flux in latest and established models = 0.270447 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 45 components and 0.270447 Jy ! Inverting map ! Added new window around map position (-0.6, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191586 Jy ! Component: 100 - total flux cleaned = 0.00328667 Jy ! Component: 150 - total flux cleaned = 0.00415778 Jy ! Component: 200 - total flux cleaned = 0.00461922 Jy ! Total flux subtracted in 200 components = 0.00461922 Jy ! Clean residual min=-0.001281 max=0.001175 Jy/beam ! Clean residual mean=-0.000001 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.275066 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 61 components and 0.275067 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=2.1 mas, bmaj=2.874 mas, bpa=-2.761 degrees ! Estimated noise=0.380617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000789676 Jy ! Component: 100 - total flux cleaned = 0.00108901 Jy ! Component: 150 - total flux cleaned = 0.00135923 Jy ! Component: 200 - total flux cleaned = 0.00157495 Jy ! Total flux subtracted in 200 components = 0.00157495 Jy ! Clean residual min=-0.001296 max=0.001083 Jy/beam ! Clean residual mean=-0.000001 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.276641 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 = 0.000135627 Jy ! Component: 100 - total flux cleaned = 0.000267735 Jy ! Component: 150 - total flux cleaned = 0.000332476 Jy ! Component: 200 - total flux cleaned = 0.000392309 Jy ! Total flux subtracted in 200 components = 0.000392309 Jy ! Clean residual min=-0.001253 max=0.001072 Jy/beam ! Clean residual mean=-0.000001 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.277034 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 92 components and 0.277034 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8932 mas, bmaj=2.545 mas, bpa=-12.96 degrees ! Estimated noise=0.307893 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000319524 Jy ! Component: 100 - total flux cleaned = -0.000345143 Jy ! Component: 150 - total flux cleaned = -0.000322846 Jy ! Component: 200 - total flux cleaned = -0.000279483 Jy ! Total flux subtracted in 200 components = -0.000279483 Jy ! Clean residual min=-0.001251 max=0.001073 Jy/beam ! Clean residual mean=-0.000000 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.276754 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 105 components and 0.276754 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=0.070594Jy sigma=0.852276 ! Fit after self-cal, rms=0.070588Jy sigma=0.852136 wmodel J2253+1942_X_map.mod ! Writing 105 model components to file: J2253+1942_X_map.mod wobs J2253+1942_X_uvs.fits ! Writing UV FITS file: J2253+1942_X_uvs.fits wwins J2253+1942_X_map.win ! wwins: Wrote 3 windows to J2253+1942_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 = -0.000127534 Jy ! Component: 100 - total flux cleaned = -0.000147122 Jy ! Component: 150 - total flux cleaned = 2.28285e-05 Jy ! Component: 200 - total flux cleaned = 0.000187026 Jy ! Component: 250 - total flux cleaned = 0.000298502 Jy ! Component: 300 - total flux cleaned = 0.000376601 Jy ! Component: 350 - total flux cleaned = 0.000468427 Jy ! Component: 400 - total flux cleaned = 0.000483713 Jy ! Component: 450 - total flux cleaned = 0.000542843 Jy ! Component: 500 - total flux cleaned = 0.000629676 Jy ! Component: 550 - total flux cleaned = 0.000686834 Jy ! Component: 600 - total flux cleaned = 0.000784969 Jy ! Component: 650 - total flux cleaned = 0.00085422 Jy ! Component: 700 - total flux cleaned = 0.000963657 Jy ! Component: 750 - total flux cleaned = 0.00100412 Jy ! Component: 800 - total flux cleaned = 0.00109777 Jy ! Component: 850 - total flux cleaned = 0.00118994 Jy ! Component: 900 - total flux cleaned = 0.00122906 Jy ! Component: 950 - total flux cleaned = 0.00131946 Jy ! Component: 1000 - total flux cleaned = 0.00137064 Jy ! Component: 1050 - total flux cleaned = 0.00143377 Jy ! Component: 1100 - total flux cleaned = 0.00147146 Jy ! Component: 1150 - total flux cleaned = 0.00153352 Jy ! Component: 1200 - total flux cleaned = 0.00163147 Jy ! Component: 1250 - total flux cleaned = 0.00165575 Jy ! Component: 1300 - total flux cleaned = 0.00166776 Jy ! Component: 1350 - total flux cleaned = 0.00172733 Jy ! Component: 1400 - total flux cleaned = 0.00172741 Jy ! Component: 1450 - total flux cleaned = 0.00183267 Jy ! Component: 1500 - total flux cleaned = 0.00183253 Jy ! Component: 1550 - total flux cleaned = 0.00187858 Jy ! Component: 1600 - total flux cleaned = 0.00190152 Jy ! Component: 1650 - total flux cleaned = 0.00196934 Jy ! Component: 1700 - total flux cleaned = 0.00196935 Jy ! Component: 1750 - total flux cleaned = 0.00202517 Jy ! Component: 1800 - total flux cleaned = 0.00203615 Jy ! Component: 1850 - total flux cleaned = 0.00208018 Jy ! Component: 1900 - total flux cleaned = 0.00205845 Jy ! Component: 1950 - total flux cleaned = 0.00213446 Jy ! Component: 2000 - total flux cleaned = 0.00208044 Jy ! Component: 2050 - total flux cleaned = 0.00212319 Jy ! Component: 2100 - total flux cleaned = 0.00212318 Jy ! Component: 2150 - total flux cleaned = 0.00211252 Jy ! Component: 2200 - total flux cleaned = 0.00212308 Jy ! Component: 2250 - total flux cleaned = 0.00218573 Jy ! Component: 2300 - total flux cleaned = 0.00218573 Jy ! Component: 2350 - total flux cleaned = 0.00218568 Jy ! Component: 2400 - total flux cleaned = 0.00216518 Jy ! Component: 2450 - total flux cleaned = 0.00219587 Jy ! Component: 2500 - total flux cleaned = 0.00221619 Jy ! Component: 2550 - total flux cleaned = 0.00219599 Jy ! Component: 2600 - total flux cleaned = 0.00218596 Jy ! Component: 2650 - total flux cleaned = 0.00220587 Jy ! Component: 2700 - total flux cleaned = 0.00223563 Jy ! Component: 2750 - total flux cleaned = 0.00223561 Jy ! Component: 2800 - total flux cleaned = 0.00223559 Jy ! Component: 2850 - total flux cleaned = 0.00226485 Jy ! Component: 2900 - total flux cleaned = 0.00225524 Jy ! Component: 2950 - total flux cleaned = 0.00227455 Jy ! Component: 3000 - total flux cleaned = 0.00230336 Jy ! Component: 3050 - total flux cleaned = 0.00230336 Jy ! Component: 3100 - total flux cleaned = 0.00231282 Jy ! Component: 3150 - total flux cleaned = 0.00232224 Jy ! Component: 3200 - total flux cleaned = 0.00230341 Jy ! Component: 3250 - total flux cleaned = 0.00231276 Jy ! Component: 3300 - total flux cleaned = 0.00233138 Jy ! Component: 3350 - total flux cleaned = 0.00234073 Jy ! Component: 3400 - total flux cleaned = 0.00238677 Jy ! Component: 3450 - total flux cleaned = 0.00235922 Jy ! Component: 3500 - total flux cleaned = 0.00236833 Jy ! Component: 3550 - total flux cleaned = 0.00239552 Jy ! Component: 3600 - total flux cleaned = 0.00237744 Jy ! Component: 3650 - total flux cleaned = 0.00241337 Jy ! Component: 3700 - total flux cleaned = 0.00244919 Jy ! Component: 3750 - total flux cleaned = 0.00246703 Jy ! Component: 3800 - total flux cleaned = 0.00246705 Jy ! Component: 3850 - total flux cleaned = 0.00247588 Jy ! Component: 3900 - total flux cleaned = 0.00251109 Jy ! Component: 3950 - total flux cleaned = 0.00251991 Jy ! Component: 4000 - total flux cleaned = 0.00258095 Jy ! Component: 4050 - total flux cleaned = 0.00258967 Jy ! Total flux subtracted in 4096 components = 0.00258108 Jy ! Clean residual min=-0.000513 max=0.000597 Jy/beam ! Clean residual mean=-0.000000 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.279335 Jy keep ! Adding 328 model components to the UV plane model. ! The established model now contains 433 components and 0.279335 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2253+1942_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8932 x 2.545 at -12.96 degrees (North through East) ! Clean map min=-0.00072459 max=0.24226 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2253+1942_X_map.fits wmodel /vlbi/bp222/maps//J2253+1942_X_map.mod ! Writing 433 model components to file: /vlbi/bp222/maps//J2253+1942_X_map.mod wobs /vlbi/bp222/maps//J2253+1942_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2253+1942_X_uvs.fits wwins /vlbi/bp222/maps//J2253+1942_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J2253+1942_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.242255 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000155728 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.192848 0.192848 0.385695 0.77139 1.54278 3.08556 6.17112 12.3422 24.6845 49.369 98.738 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.242 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1555.63 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2253+1942_X_dfm.log closed on Thu Sep 27 11:43:13 2018