! Started logfile: /vlbi/bp222/maps//J1557-0001_X_dfm.log on Mon Jan 14 17:02:46 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/bp222/maps//J1557-0001_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1557-0001_X_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.881944 visibilities/baseline/integration-bin. ! Found source: J1557-0001 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 6096 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 J1557-0001_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 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.183703Jy sigma=12.820931 ! Fit after self-cal, rms=0.389210Jy sigma=4.192670 ! 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=0.6032 mas, bmaj=1.734 mas, bpa=-2.963 degrees ! Estimated noise=1.12298 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 = 0.4705 Jy ! Component: 100 - total flux cleaned = 0.573856 Jy ! Total flux subtracted in 100 components = 0.573856 Jy ! Clean residual min=-0.024141 max=0.033831 Jy/beam ! Clean residual mean=-0.000001 rms=0.005016 Jy/beam ! Combined flux in latest and established models = 0.573856 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.573856 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=0.097882Jy sigma=1.072560 ! Fit after self-cal, rms=0.097879Jy sigma=1.072536 ! Inverting map ! Added new window around map position (-8.4, 13.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0372443 Jy ! Component: 100 - total flux cleaned = 0.0606704 Jy ! Total flux subtracted in 100 components = 0.0606704 Jy ! Clean residual min=-0.016571 max=0.019696 Jy/beam ! Clean residual mean=-0.000001 rms=0.002976 Jy/beam ! Combined flux in latest and established models = 0.634527 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 14 components and 0.634527 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=0.075917Jy sigma=0.812532 ! Fit after self-cal, rms=0.075629Jy sigma=0.809123 ! Inverting map ! Added new window around map position (-2.2, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188711 Jy ! Component: 100 - total flux cleaned = 0.0310287 Jy ! Total flux subtracted in 100 components = 0.0310287 Jy ! Clean residual min=-0.012582 max=0.010760 Jy/beam ! Clean residual mean=-0.000001 rms=0.002135 Jy/beam ! Combined flux in latest and established models = 0.665555 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 26 components and 0.665555 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=0.068897Jy sigma=0.724984 ! Fit after self-cal, rms=0.068818Jy sigma=0.723814 ! 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=0.74 mas, bmaj=1.942 mas, bpa=-2.558 degrees ! Estimated noise=0.870741 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 = 0.0147462 Jy ! Component: 100 - total flux cleaned = 0.0244797 Jy ! Component: 150 - total flux cleaned = 0.0312716 Jy ! Component: 200 - total flux cleaned = 0.034145 Jy ! Total flux subtracted in 200 components = 0.034145 Jy ! Clean residual min=-0.010522 max=0.010284 Jy/beam ! Clean residual mean=-0.000004 rms=0.002260 Jy/beam ! Combined flux in latest and established models = 0.6997 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 50 components and 0.6997 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=0.065309Jy sigma=0.678520 ! Fit after self-cal, rms=0.065313Jy sigma=0.677968 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.74 x 1.942 at -2.558 degrees (North through East) ! Clean map min=-0.0098179 max=0.60177 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 1.01 FD 1.01 HN 0.99 KP 1.01 ! LA 0.99 MK 1.01 NL 1.02 PT 0.95 ! SC 1.01 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 0.99 KP 1.01 ! LA 1.00 MK 1.03 NL 1.03 PT 0.96 ! SC 0.98 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 0.98 KP 1.02 ! LA 0.99 MK 1.02 NL 1.02 PT 0.97 ! SC 0.99 ! ! ! 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 0.99 HN 0.96 KP 1.02 ! LA 1.00 MK 1.02 NL 1.03 PT 0.95 ! SC 1.01 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 0.99 KP 1.02 ! LA 0.99 MK 1.03 NL 1.01 PT 0.96 ! SC 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 1.03 FD 1.00 HN 0.99 KP 1.01 ! LA 0.99 MK 1.02 NL 1.03 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 0.98 KP 1.01 ! LA 0.99 MK 1.02 NL 1.02 PT 0.96 ! SC 1.01 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.97 KP 1.02 ! LA 1.01 MK 1.02 NL 1.03 PT 0.94 ! SC 1.02 ! ! ! 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 0.99 HN 0.99 KP 1.02 ! LA 0.98 MK 1.03 NL 1.03 PT 0.96 ! SC 1.02 ! ! ! 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 1.01 HN 0.98 KP 1.02 ! LA 0.99 MK 1.02 NL 1.03 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.98 KP 1.03 ! LA 1.00 MK 1.01 NL 1.03 PT 0.96 ! SC 1.01 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.98 KP 0.99 ! LA 0.97 MK 1.00 NL 1.03 PT 0.97 ! SC 1.01 ! ! ! Fit before self-cal, rms=0.065313Jy sigma=0.677968 ! Fit after self-cal, rms=0.062401Jy sigma=0.642689 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7498 mas, bmaj=1.955 mas, bpa=-2.512 degrees ! Estimated noise=0.874413 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 = -0.00492303 Jy ! Component: 100 - total flux cleaned = -0.00648313 Jy ! Component: 150 - total flux cleaned = -0.00655189 Jy ! Component: 200 - total flux cleaned = -0.00659915 Jy ! Total flux subtracted in 200 components = -0.00659915 Jy ! Clean residual min=-0.004933 max=0.005728 Jy/beam ! Clean residual mean=0.000000 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 0.693101 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 57 components and 0.693101 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=0.061966Jy sigma=0.639096 ! Fit after self-cal, rms=0.061943Jy sigma=0.638949 ! 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=0.061943Jy sigma=0.638949 ! Fit after self-cal, rms=0.061896Jy sigma=0.638175 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7504 mas, bmaj=1.956 mas, bpa=-2.501 degrees ! Estimated noise=0.87512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00252499 Jy ! Component: 100 - total flux cleaned = -0.00299276 Jy ! Component: 150 - total flux cleaned = -0.00308326 Jy ! Component: 200 - total flux cleaned = -0.00316272 Jy ! Total flux subtracted in 200 components = -0.00316272 Jy ! Clean residual min=-0.004725 max=0.005615 Jy/beam ! Clean residual mean=0.000000 rms=0.001192 Jy/beam ! Combined flux in latest and established models = 0.689939 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 61 components and 0.689939 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=0.061772Jy sigma=0.636961 ! Fit after self-cal, rms=0.061755Jy sigma=0.636911 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (6.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00518278 Jy ! Component: 100 - total flux cleaned = 0.006296 Jy ! Component: 150 - total flux cleaned = 0.00738794 Jy ! Component: 200 - total flux cleaned = 0.00823601 Jy ! Total flux subtracted in 200 components = 0.00823601 Jy ! Clean residual min=-0.004029 max=0.004368 Jy/beam ! Clean residual mean=0.000001 rms=0.000968 Jy/beam ! Combined flux in latest and established models = 0.698175 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 78 components and 0.698174 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=0.061237Jy sigma=0.631947 ! Fit after self-cal, rms=0.061217Jy sigma=0.631831 ! Inverting map ! Added new window around map position (-22.4, 35.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0042872 Jy ! Component: 100 - total flux cleaned = 0.00612894 Jy ! Component: 150 - total flux cleaned = 0.00633031 Jy ! Component: 200 - total flux cleaned = 0.00657149 Jy ! Total flux subtracted in 200 components = 0.00657149 Jy ! Clean residual min=-0.003651 max=0.002619 Jy/beam ! Clean residual mean=0.000001 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.704746 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 108 components and 0.704746 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=0.060879Jy sigma=0.628391 ! Fit after self-cal, rms=0.060862Jy sigma=0.628246 ! 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=0.060862Jy sigma=0.628246 ! Fit after self-cal, rms=0.060748Jy sigma=0.628003 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7504 mas, bmaj=1.956 mas, bpa=-2.474 degrees ! Estimated noise=0.87399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.61119e-06 Jy ! Component: 100 - total flux cleaned = 0.000165406 Jy ! Component: 150 - total flux cleaned = 0.000165162 Jy ! Component: 200 - total flux cleaned = 0.000163759 Jy ! Total flux subtracted in 200 components = 0.000163759 Jy ! Clean residual min=-0.003400 max=0.002522 Jy/beam ! Clean residual mean=0.000001 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 0.70491 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 115 components and 0.70491 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=0.060659Jy sigma=0.627137 ! Fit after self-cal, rms=0.060653Jy sigma=0.627118 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 = 0.00031942 Jy ! Component: 100 - total flux cleaned = 0.000359373 Jy ! Component: 150 - total flux cleaned = 0.000433724 Jy ! Component: 200 - total flux cleaned = 0.000469723 Jy ! Total flux subtracted in 200 components = 0.000469723 Jy ! Clean residual min=-0.003345 max=0.002451 Jy/beam ! Clean residual mean=0.000001 rms=0.000681 Jy/beam ! Combined flux in latest and established models = 0.70538 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 126 components and 0.705379 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=0.060608Jy sigma=0.626645 ! Fit after self-cal, rms=0.060607Jy sigma=0.626638 ! 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=0.060607Jy sigma=0.626638 ! Fit after self-cal, rms=0.060567Jy sigma=0.626573 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.064 mas, bmaj=3.104 mas, bpa=-2.236 degrees ! Estimated noise=1.1993 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000130599 Jy ! Component: 100 - total flux cleaned = 0.000175878 Jy ! Component: 150 - total flux cleaned = 0.000507204 Jy ! Component: 200 - total flux cleaned = 0.000643383 Jy ! Total flux subtracted in 200 components = 0.000643383 Jy ! Clean residual min=-0.004018 max=0.003224 Jy/beam ! Clean residual mean=0.000004 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.706023 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 133 components and 0.706023 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=0.060560Jy sigma=0.626705 ! Fit after self-cal, rms=0.060553Jy sigma=0.626662 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 = 0.000248604 Jy ! Component: 100 - total flux cleaned = 0.000336777 Jy ! Component: 150 - total flux cleaned = 0.000286203 Jy ! Component: 200 - total flux cleaned = 0.000285946 Jy ! Total flux subtracted in 200 components = 0.000285946 Jy ! Clean residual min=-0.003914 max=0.003224 Jy/beam ! Clean residual mean=0.000004 rms=0.000890 Jy/beam ! Combined flux in latest and established models = 0.706309 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 143 components and 0.706309 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=0.060554Jy sigma=0.626673 ! Fit after self-cal, rms=0.060551Jy sigma=0.626658 ! 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=0.7505 mas, bmaj=1.956 mas, bpa=-2.454 degrees ! Estimated noise=0.873503 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7505 x 1.956 at -2.454 degrees (North through East) ! Clean map min=-0.0046918 max=0.60333 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060551Jy sigma=0.626658 ! Fit after self-cal, rms=0.057356Jy sigma=0.573384 ! Inverting map and beam ! Estimated beam: bmin=0.7506 mas, bmaj=1.956 mas, bpa=-2.458 degrees ! Estimated noise=0.874183 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000288537 Jy ! Component: 100 - total flux cleaned = -0.00032855 Jy ! Component: 150 - total flux cleaned = -0.000401974 Jy ! Component: 200 - total flux cleaned = -0.000501452 Jy ! Total flux subtracted in 200 components = -0.000501452 Jy ! Clean residual min=-0.003112 max=0.002365 Jy/beam ! Clean residual mean=0.000002 rms=0.000634 Jy/beam ! Combined flux in latest and established models = 0.705807 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 151 components and 0.705807 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=0.057310Jy sigma=0.572760 ! Fit after self-cal, rms=0.057310Jy sigma=0.572749 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.29773e-05 Jy ! Component: 100 - total flux cleaned = 0.000123235 Jy ! Component: 150 - total flux cleaned = 0.000152058 Jy ! Component: 200 - total flux cleaned = 0.000152864 Jy ! Total flux subtracted in 200 components = 0.000152864 Jy ! Clean residual min=-0.003066 max=0.002345 Jy/beam ! Clean residual mean=0.000002 rms=0.000624 Jy/beam ! Combined flux in latest and established models = 0.70596 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 157 components and 0.70596 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=0.057285Jy sigma=0.572453 ! Fit after self-cal, rms=0.057285Jy sigma=0.572443 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057285Jy sigma=0.572443 ! Fit after self-cal, rms=0.057259Jy sigma=0.572408 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=0.6051 mas, bmaj=1.739 mas, bpa=-2.888 degrees ! Estimated noise=1.13779 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.474395 Jy ! Component: 100 - total flux cleaned = 0.578245 Jy ! Component: 150 - total flux cleaned = 0.61361 Jy ! Component: 200 - total flux cleaned = 0.635212 Jy ! Total flux subtracted in 200 components = 0.635212 Jy ! Clean residual min=-0.010858 max=0.011424 Jy/beam ! Clean residual mean=-0.000000 rms=0.002189 Jy/beam ! Combined flux in latest and established models = 0.635212 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.635212 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7506 mas, bmaj=1.956 mas, bpa=-2.445 degrees ! Estimated noise=0.873856 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) ! Added new window around map position (8.4, -13.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0197924 Jy ! Component: 100 - total flux cleaned = 0.0312893 Jy ! Component: 150 - total flux cleaned = 0.0388741 Jy ! Component: 200 - total flux cleaned = 0.0444979 Jy ! Total flux subtracted in 200 components = 0.0444979 Jy ! Clean residual min=-0.006279 max=0.005119 Jy/beam ! Clean residual mean=-0.000001 rms=0.001233 Jy/beam ! Combined flux in latest and established models = 0.679709 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 49 components and 0.679709 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=2.065 mas, bmaj=3.104 mas, bpa=-2.206 degrees ! Estimated noise=1.1996 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00793098 Jy ! Component: 100 - total flux cleaned = 0.0127999 Jy ! Component: 150 - total flux cleaned = 0.0161574 Jy ! Component: 200 - total flux cleaned = 0.0186621 Jy ! Total flux subtracted in 200 components = 0.0186621 Jy ! Clean residual min=-0.003843 max=0.002971 Jy/beam ! Clean residual mean=0.000002 rms=0.000958 Jy/beam ! Combined flux in latest and established models = 0.698372 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 = 0.00164963 Jy ! Component: 100 - total flux cleaned = 0.00243492 Jy ! Component: 150 - total flux cleaned = 0.00306808 Jy ! Component: 200 - total flux cleaned = 0.00353207 Jy ! Total flux subtracted in 200 components = 0.00353207 Jy ! Clean residual min=-0.003439 max=0.002906 Jy/beam ! Clean residual mean=0.000002 rms=0.000784 Jy/beam ! Combined flux in latest and established models = 0.701904 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 102 components and 0.701904 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7506 mas, bmaj=1.956 mas, bpa=-2.445 degrees ! Estimated noise=0.873856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00195347 Jy ! Component: 100 - total flux cleaned = -0.00209185 Jy ! Component: 150 - total flux cleaned = -0.00170094 Jy ! Component: 200 - total flux cleaned = -0.0015287 Jy ! Total flux subtracted in 200 components = -0.0015287 Jy ! Clean residual min=-0.003771 max=0.002600 Jy/beam ! Clean residual mean=0.000001 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.700375 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 122 components and 0.700375 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=0.057609Jy sigma=0.575395 ! Fit after self-cal, rms=0.057514Jy sigma=0.574633 wmodel J1557-0001_X_map.mod ! Writing 122 model components to file: J1557-0001_X_map.mod wobs J1557-0001_X_uvs.fits ! Writing UV FITS file: J1557-0001_X_uvs.fits wwins J1557-0001_X_map.win ! wwins: Wrote 6 windows to J1557-0001_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 = -0.0010399 Jy ! Component: 100 - total flux cleaned = -0.00171039 Jy ! Component: 150 - total flux cleaned = -0.0019793 Jy ! Component: 200 - total flux cleaned = -0.00206117 Jy ! Component: 250 - total flux cleaned = -0.00221644 Jy ! Component: 300 - total flux cleaned = -0.00240291 Jy ! Component: 350 - total flux cleaned = -0.00269017 Jy ! Component: 400 - total flux cleaned = -0.00286356 Jy ! Component: 450 - total flux cleaned = -0.00299757 Jy ! Component: 500 - total flux cleaned = -0.00309598 Jy ! Component: 550 - total flux cleaned = -0.00319086 Jy ! Component: 600 - total flux cleaned = -0.00319163 Jy ! Component: 650 - total flux cleaned = -0.00319304 Jy ! Component: 700 - total flux cleaned = -0.00325052 Jy ! Component: 750 - total flux cleaned = -0.00327809 Jy ! Component: 800 - total flux cleaned = -0.00333272 Jy ! Component: 850 - total flux cleaned = -0.00341265 Jy ! Component: 900 - total flux cleaned = -0.00346496 Jy ! Component: 950 - total flux cleaned = -0.00354152 Jy ! Component: 1000 - total flux cleaned = -0.00351677 Jy ! Component: 1050 - total flux cleaned = -0.00354104 Jy ! Component: 1100 - total flux cleaned = -0.00351698 Jy ! Component: 1150 - total flux cleaned = -0.00351726 Jy ! Component: 1200 - total flux cleaned = -0.00358713 Jy ! Component: 1250 - total flux cleaned = -0.00360976 Jy ! Component: 1300 - total flux cleaned = -0.00356515 Jy ! Component: 1350 - total flux cleaned = -0.0036093 Jy ! Component: 1400 - total flux cleaned = -0.00360941 Jy ! Component: 1450 - total flux cleaned = -0.00360937 Jy ! Component: 1500 - total flux cleaned = -0.00363038 Jy ! Component: 1550 - total flux cleaned = -0.00371367 Jy ! Component: 1600 - total flux cleaned = -0.00377489 Jy ! Component: 1650 - total flux cleaned = -0.00375455 Jy ! Component: 1700 - total flux cleaned = -0.00383393 Jy ! Component: 1750 - total flux cleaned = -0.00385291 Jy ! Component: 1800 - total flux cleaned = -0.0037947 Jy ! Component: 1850 - total flux cleaned = -0.00377556 Jy ! Component: 1900 - total flux cleaned = -0.00383206 Jy ! Component: 1950 - total flux cleaned = -0.00381315 Jy ! Component: 2000 - total flux cleaned = -0.00386811 Jy ! Component: 2050 - total flux cleaned = -0.00388629 Jy ! Component: 2100 - total flux cleaned = -0.00390419 Jy ! Component: 2150 - total flux cleaned = -0.00390428 Jy ! Component: 2200 - total flux cleaned = -0.00392194 Jy ! Component: 2250 - total flux cleaned = -0.00387017 Jy ! Component: 2300 - total flux cleaned = -0.00395575 Jy ! Component: 2350 - total flux cleaned = -0.00390494 Jy ! Component: 2400 - total flux cleaned = -0.00395511 Jy ! Component: 2450 - total flux cleaned = -0.00397174 Jy ! Component: 2500 - total flux cleaned = -0.0039554 Jy ! Component: 2550 - total flux cleaned = -0.00393927 Jy ! Component: 2600 - total flux cleaned = -0.0039876 Jy ! Component: 2650 - total flux cleaned = -0.00393994 Jy ! Component: 2700 - total flux cleaned = -0.00397178 Jy ! Component: 2750 - total flux cleaned = -0.00400294 Jy ! Component: 2800 - total flux cleaned = -0.00397194 Jy ! Component: 2850 - total flux cleaned = -0.00397199 Jy ! Component: 2900 - total flux cleaned = -0.00397221 Jy ! Component: 2950 - total flux cleaned = -0.00392691 Jy ! Component: 3000 - total flux cleaned = -0.00397187 Jy ! Component: 3050 - total flux cleaned = -0.00394209 Jy ! Component: 3100 - total flux cleaned = -0.00401559 Jy ! Component: 3150 - total flux cleaned = -0.00401565 Jy ! Component: 3200 - total flux cleaned = -0.00400117 Jy ! Component: 3250 - total flux cleaned = -0.00401567 Jy ! Component: 3300 - total flux cleaned = -0.00405857 Jy ! Component: 3350 - total flux cleaned = -0.00404425 Jy ! Component: 3400 - total flux cleaned = -0.00407247 Jy ! Component: 3450 - total flux cleaned = -0.00405841 Jy ! Component: 3500 - total flux cleaned = -0.00408643 Jy ! Component: 3550 - total flux cleaned = -0.00408644 Jy ! Component: 3600 - total flux cleaned = -0.00411409 Jy ! Component: 3650 - total flux cleaned = -0.0041141 Jy ! Component: 3700 - total flux cleaned = -0.00408675 Jy ! Component: 3750 - total flux cleaned = -0.00407308 Jy ! Component: 3800 - total flux cleaned = -0.00407313 Jy ! Component: 3850 - total flux cleaned = -0.00404611 Jy ! Component: 3900 - total flux cleaned = -0.00404618 Jy ! Component: 3950 - total flux cleaned = -0.00404622 Jy ! Component: 4000 - total flux cleaned = -0.00408634 Jy ! Component: 4050 - total flux cleaned = -0.00405968 Jy ! Total flux subtracted in 4096 components = -0.00407296 Jy ! Clean residual min=-0.000780 max=0.000929 Jy/beam ! Clean residual mean=0.000001 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.696302 Jy keep ! Adding 266 model components to the UV plane model. ! The established model now contains 388 components and 0.696302 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1557-0001_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7506 x 1.956 at -2.445 degrees (North through East) ! Clean map min=-0.0032261 max=0.60722 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1557-0001_X_map.fits wmodel /vlbi/bp222/maps//J1557-0001_X_map.mod ! Writing 388 model components to file: /vlbi/bp222/maps//J1557-0001_X_map.mod wobs /vlbi/bp222/maps//J1557-0001_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1557-0001_X_uvs.fits wwins /vlbi/bp222/maps//J1557-0001_X_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J1557-0001_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.607222 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000215959 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.106695 0.106695 0.213391 0.426782 0.853564 1.70713 3.41425 6.82851 13.657 27.314 54.6281 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.607 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2811.74 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1557-0001_X_dfm.log closed on Mon Jan 14 17:02:50 2019