! Started logfile: /vlbi/bp222/maps//J2228+3331_X_dfm.log on Thu Sep 27 11:41:55 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//J2228+3331_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2228+3331_X_uva.fits ! AN table 1: 21 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.97619 visibilities/baseline/integration-bin. ! Found source: J2228+3331 ! ! 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 6888 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 J2228+3331_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.010607Jy sigma=10.193411 ! Fit after self-cal, rms=0.899207Jy sigma=8.923591 ! 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=0.6286 mas, bmaj=2.716 mas, bpa=-25.48 degrees ! Estimated noise=1.56429 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 = 0.0891294 Jy ! Component: 100 - total flux cleaned = 0.111597 Jy ! Total flux subtracted in 100 components = 0.111597 Jy ! Clean residual min=-0.010263 max=0.014301 Jy/beam ! Clean residual mean=0.000005 rms=0.002579 Jy/beam ! Combined flux in latest and established models = 0.111597 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.111597 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=0.083460Jy sigma=0.687540 ! Fit after self-cal, rms=0.083150Jy sigma=0.686560 ! 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=0.7987 mas, bmaj=2.506 mas, bpa=-24.92 degrees ! Estimated noise=0.931878 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 (-19.2, 20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00999142 Jy ! Component: 100 - total flux cleaned = 0.010473 Jy ! Component: 150 - total flux cleaned = 0.0102589 Jy ! Component: 200 - total flux cleaned = 0.0102611 Jy ! Total flux subtracted in 200 components = 0.0102611 Jy ! Clean residual min=-0.006193 max=0.009294 Jy/beam ! Clean residual mean=0.000008 rms=0.001602 Jy/beam ! Combined flux in latest and established models = 0.121858 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 31 components and 0.121858 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=0.081691Jy sigma=0.664754 ! Fit after self-cal, rms=0.081576Jy sigma=0.662463 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7987 x 2.506 at -24.92 degrees (North through East) ! Clean map min=-0.0057361 max=0.10375 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.00 HN 0.95 LA 1.14 ! MK 0.93 NL 1.16 OV 1.00 PT 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 0.98 LA 1.25 ! MK 1.01 NL 1.13 OV 0.95 PT 0.88 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.97 HN 0.97 LA 1.11 ! MK 0.97 NL 1.16 OV 0.95 PT 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.04 HN 0.94 LA 1.22 ! MK 0.96 NL 1.40 OV 1.00 PT 0.88 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 0.96 LA 1.18 ! MK 1.01 NL 1.36 OV 0.98 PT 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.03 HN 1.00 LA 1.20 ! MK 0.96 NL 1.09 OV 0.94 PT 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.97 HN 0.95 LA 1.22 ! MK 1.04 NL 1.32 OV 0.94 PT 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 1.00 LA 1.16 ! MK 1.00 NL 1.25 OV 0.97 PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 0.92 LA 1.17 ! MK 0.88 NL 1.25 OV 1.06 PT 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 HN 0.94 LA 1.08 ! MK 1.03 NL 1.17 OV 0.94 PT 0.89 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.88 HN 0.94 LA 1.17 ! MK 0.98 NL 1.66 OV 0.98 PT 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.99 HN 0.91 LA 1.57 ! MK 0.95 NL 1.21 OV 0.97 PT 0.93 ! ! ! Fit before self-cal, rms=0.081576Jy sigma=0.662463 ! Fit after self-cal, rms=0.094432Jy sigma=0.648609 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7922 mas, bmaj=2.445 mas, bpa=-24.89 degrees ! Estimated noise=0.924743 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 = 0.00272525 Jy ! Component: 100 - total flux cleaned = 0.00205691 Jy ! Component: 150 - total flux cleaned = 0.00149498 Jy ! Component: 200 - total flux cleaned = 0.00102252 Jy ! Total flux subtracted in 200 components = 0.00102252 Jy ! Clean residual min=-0.003579 max=0.002897 Jy/beam ! Clean residual mean=0.000004 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.12288 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 46 components and 0.12288 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=0.094261Jy sigma=0.645298 ! Fit after self-cal, rms=0.094605Jy sigma=0.644972 ! 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=0.094605Jy sigma=0.644972 ! Fit after self-cal, rms=0.096184Jy sigma=0.644805 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7919 mas, bmaj=2.437 mas, bpa=-24.9 degrees ! Estimated noise=0.923317 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000438781 Jy ! Component: 100 - total flux cleaned = 0.000162112 Jy ! Component: 150 - total flux cleaned = -0.000276802 Jy ! Component: 200 - total flux cleaned = -0.000581475 Jy ! Total flux subtracted in 200 components = -0.000581475 Jy ! Clean residual min=-0.003419 max=0.002763 Jy/beam ! Clean residual mean=0.000004 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.122299 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 65 components and 0.122299 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=0.096133Jy sigma=0.644073 ! Fit after self-cal, rms=0.096196Jy sigma=0.644048 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 = -0.000158865 Jy ! Component: 100 - total flux cleaned = -0.000350681 Jy ! Component: 150 - total flux cleaned = -0.000527887 Jy ! Component: 200 - total flux cleaned = -0.000692926 Jy ! Total flux subtracted in 200 components = -0.000692926 Jy ! Clean residual min=-0.003344 max=0.002730 Jy/beam ! Clean residual mean=0.000004 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 0.121606 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 75 components and 0.121606 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=0.096168Jy sigma=0.643786 ! Fit after self-cal, rms=0.096185Jy sigma=0.643772 ! 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=0.096185Jy sigma=0.643772 ! Fit after self-cal, rms=0.097371Jy sigma=0.643708 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7907 mas, bmaj=2.435 mas, bpa=-24.9 degrees ! Estimated noise=0.924262 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000357473 Jy ! Component: 100 - total flux cleaned = -0.000460884 Jy ! Component: 150 - total flux cleaned = -0.000555197 Jy ! Component: 200 - total flux cleaned = -0.000670759 Jy ! Total flux subtracted in 200 components = -0.000670759 Jy ! Clean residual min=-0.003296 max=0.002731 Jy/beam ! Clean residual mean=0.000004 rms=0.000698 Jy/beam ! Combined flux in latest and established models = 0.120935 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 81 components and 0.120935 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=0.097348Jy sigma=0.643482 ! Fit after self-cal, rms=0.097379Jy sigma=0.643468 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.85482e-05 Jy ! Component: 100 - total flux cleaned = -0.000193793 Jy ! Component: 150 - total flux cleaned = -0.000296285 Jy ! Component: 200 - total flux cleaned = -0.000416713 Jy ! Total flux subtracted in 200 components = -0.000416713 Jy ! Clean residual min=-0.003284 max=0.002686 Jy/beam ! Clean residual mean=0.000004 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.120518 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 86 components and 0.120518 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=0.097366Jy sigma=0.643335 ! Fit after self-cal, rms=0.097378Jy sigma=0.643326 ! 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=0.097378Jy sigma=0.643326 ! Fit after self-cal, rms=0.098214Jy sigma=0.643286 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.905 mas, bmaj=2.438 mas, bpa=-17.07 degrees ! Estimated noise=1.36165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000843819 Jy ! Component: 100 - total flux cleaned = -0.00112726 Jy ! Component: 150 - total flux cleaned = -0.00137355 Jy ! Component: 200 - total flux cleaned = -0.00153467 Jy ! Total flux subtracted in 200 components = -0.00153467 Jy ! Clean residual min=-0.004553 max=0.003567 Jy/beam ! Clean residual mean=0.000010 rms=0.001198 Jy/beam ! Combined flux in latest and established models = 0.118984 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 98 components and 0.118984 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=0.098206Jy sigma=0.643280 ! Fit after self-cal, rms=0.098236Jy sigma=0.643250 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 = -0.000136472 Jy ! Component: 100 - total flux cleaned = -0.000353301 Jy ! Component: 150 - total flux cleaned = -0.000543406 Jy ! Component: 200 - total flux cleaned = -0.000697068 Jy ! Total flux subtracted in 200 components = -0.000697068 Jy ! Clean residual min=-0.004551 max=0.003502 Jy/beam ! Clean residual mean=0.000010 rms=0.001185 Jy/beam ! Combined flux in latest and established models = 0.118287 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 103 components and 0.118287 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=0.098238Jy sigma=0.643255 ! Fit after self-cal, rms=0.098249Jy sigma=0.643239 ! 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=0.7894 mas, bmaj=2.434 mas, bpa=-24.9 degrees ! Estimated noise=0.924089 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7894 x 2.434 at -24.9 degrees (North through East) ! Clean map min=-0.0030813 max=0.10207 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=0.6269 mas, bmaj=2.646 mas, bpa=-25.63 degrees ! Estimated noise=1.53022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0871461 Jy ! Component: 100 - total flux cleaned = 0.107674 Jy ! Component: 150 - total flux cleaned = 0.11387 Jy ! Component: 200 - total flux cleaned = 0.117857 Jy ! Total flux subtracted in 200 components = 0.117857 Jy ! Clean residual min=-0.004424 max=0.004771 Jy/beam ! Clean residual mean=0.000001 rms=0.001151 Jy/beam ! Combined flux in latest and established models = 0.117857 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.117857 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7894 mas, bmaj=2.434 mas, bpa=-24.9 degrees ! Estimated noise=0.924089 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 (-15, 45.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348184 Jy ! Component: 100 - total flux cleaned = 0.00475579 Jy ! Component: 150 - total flux cleaned = 0.00517077 Jy ! Component: 200 - total flux cleaned = 0.00525644 Jy ! Total flux subtracted in 200 components = 0.00525644 Jy ! Clean residual min=-0.003260 max=0.002716 Jy/beam ! Clean residual mean=0.000003 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.123113 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 38 components and 0.123113 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=1.905 mas, bmaj=2.438 mas, bpa=-17.07 degrees ! Estimated noise=1.36165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0014781 Jy ! Component: 100 - total flux cleaned = -0.00217845 Jy ! Component: 150 - total flux cleaned = -0.0027611 Jy ! Component: 200 - total flux cleaned = -0.00321492 Jy ! Total flux subtracted in 200 components = -0.00321492 Jy ! Clean residual min=-0.004196 max=0.003523 Jy/beam ! Clean residual mean=0.000011 rms=0.001174 Jy/beam ! Combined flux in latest and established models = 0.119898 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 = -0.000358325 Jy ! Component: 100 - total flux cleaned = -0.000591494 Jy ! Component: 150 - total flux cleaned = -0.000807188 Jy ! Component: 200 - total flux cleaned = -0.00104941 Jy ! Total flux subtracted in 200 components = -0.00104941 Jy ! Clean residual min=-0.004091 max=0.003544 Jy/beam ! Clean residual mean=0.000012 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 0.118849 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 74 components and 0.118849 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7894 mas, bmaj=2.434 mas, bpa=-24.9 degrees ! Estimated noise=0.924089 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.5575e-05 Jy ! Component: 100 - total flux cleaned = 0.000173383 Jy ! Component: 150 - total flux cleaned = 0.000223039 Jy ! Component: 200 - total flux cleaned = 0.000225252 Jy ! Total flux subtracted in 200 components = 0.000225252 Jy ! Clean residual min=-0.002940 max=0.002613 Jy/beam ! Clean residual mean=0.000005 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.119074 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 103 components and 0.119074 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=0.098230Jy sigma=0.642803 ! Fit after self-cal, rms=0.098205Jy sigma=0.642563 wmodel J2228+3331_X_map.mod ! Writing 103 model components to file: J2228+3331_X_map.mod wobs J2228+3331_X_uvs.fits ! Writing UV FITS file: J2228+3331_X_uvs.fits wwins J2228+3331_X_map.win ! wwins: Wrote 3 windows to J2228+3331_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 = -0.000915639 Jy ! Component: 100 - total flux cleaned = -0.001049 Jy ! Component: 150 - total flux cleaned = -0.00104735 Jy ! Component: 200 - total flux cleaned = -0.000938589 Jy ! Component: 250 - total flux cleaned = -0.000973868 Jy ! Component: 300 - total flux cleaned = -0.00110199 Jy ! Component: 350 - total flux cleaned = -0.0011942 Jy ! Component: 400 - total flux cleaned = -0.00134074 Jy ! Component: 450 - total flux cleaned = -0.00142526 Jy ! Component: 500 - total flux cleaned = -0.00145227 Jy ! Component: 550 - total flux cleaned = -0.0014783 Jy ! Component: 600 - total flux cleaned = -0.00152949 Jy ! Component: 650 - total flux cleaned = -0.00162945 Jy ! Component: 700 - total flux cleaned = -0.00167765 Jy ! Component: 750 - total flux cleaned = -0.0017251 Jy ! Component: 800 - total flux cleaned = -0.00179433 Jy ! Component: 850 - total flux cleaned = -0.00179411 Jy ! Component: 900 - total flux cleaned = -0.00181642 Jy ! Component: 950 - total flux cleaned = -0.00190315 Jy ! Component: 1000 - total flux cleaned = -0.00202937 Jy ! Component: 1050 - total flux cleaned = -0.00213289 Jy ! Component: 1100 - total flux cleaned = -0.00223401 Jy ! Component: 1150 - total flux cleaned = -0.0023327 Jy ! Component: 1200 - total flux cleaned = -0.00242973 Jy ! Component: 1250 - total flux cleaned = -0.00248715 Jy ! Component: 1300 - total flux cleaned = -0.00261838 Jy ! Component: 1350 - total flux cleaned = -0.0027105 Jy ! Component: 1400 - total flux cleaned = -0.00276479 Jy ! Component: 1450 - total flux cleaned = -0.00280032 Jy ! Component: 1500 - total flux cleaned = -0.00288754 Jy ! Component: 1550 - total flux cleaned = -0.00290482 Jy ! Component: 1600 - total flux cleaned = -0.00298978 Jy ! Component: 1650 - total flux cleaned = -0.0030904 Jy ! Component: 1700 - total flux cleaned = -0.00313992 Jy ! Component: 1750 - total flux cleaned = -0.00322134 Jy ! Component: 1800 - total flux cleaned = -0.00326946 Jy ! Component: 1850 - total flux cleaned = -0.00328538 Jy ! Component: 1900 - total flux cleaned = -0.00330122 Jy ! Component: 1950 - total flux cleaned = -0.00339455 Jy ! Component: 2000 - total flux cleaned = -0.00339431 Jy ! Component: 2050 - total flux cleaned = -0.00342488 Jy ! Component: 2100 - total flux cleaned = -0.00348488 Jy ! Component: 2150 - total flux cleaned = -0.00349986 Jy ! Component: 2200 - total flux cleaned = -0.00347072 Jy ! Component: 2250 - total flux cleaned = -0.00352892 Jy ! Component: 2300 - total flux cleaned = -0.00351454 Jy ! Component: 2350 - total flux cleaned = -0.00355709 Jy ! Component: 2400 - total flux cleaned = -0.00358515 Jy ! Component: 2450 - total flux cleaned = -0.00355737 Jy ! Component: 2500 - total flux cleaned = -0.00361269 Jy ! Component: 2550 - total flux cleaned = -0.00358539 Jy ! Component: 2600 - total flux cleaned = -0.00363972 Jy ! Component: 2650 - total flux cleaned = -0.0036667 Jy ! Component: 2700 - total flux cleaned = -0.00371991 Jy ! Component: 2750 - total flux cleaned = -0.00377251 Jy ! Component: 2800 - total flux cleaned = -0.00382483 Jy ! Component: 2850 - total flux cleaned = -0.00385078 Jy ! Component: 2900 - total flux cleaned = -0.0038637 Jy ! Component: 2950 - total flux cleaned = -0.00396606 Jy ! Component: 3000 - total flux cleaned = -0.00402953 Jy ! Component: 3050 - total flux cleaned = -0.00407988 Jy ! Component: 3100 - total flux cleaned = -0.0040924 Jy ! Component: 3150 - total flux cleaned = -0.00416693 Jy ! Component: 3200 - total flux cleaned = -0.00417931 Jy ! Component: 3250 - total flux cleaned = -0.00422836 Jy ! Component: 3300 - total flux cleaned = -0.00427697 Jy ! Component: 3350 - total flux cleaned = -0.00433735 Jy ! Component: 3400 - total flux cleaned = -0.00431334 Jy ! Component: 3450 - total flux cleaned = -0.00433728 Jy ! Component: 3500 - total flux cleaned = -0.00436104 Jy ! Component: 3550 - total flux cleaned = -0.00434921 Jy ! Component: 3600 - total flux cleaned = -0.00436094 Jy ! Component: 3650 - total flux cleaned = -0.00438439 Jy ! Component: 3700 - total flux cleaned = -0.00436112 Jy ! Component: 3750 - total flux cleaned = -0.00436113 Jy ! Component: 3800 - total flux cleaned = -0.00436119 Jy ! Component: 3850 - total flux cleaned = -0.00437265 Jy ! Component: 3900 - total flux cleaned = -0.00438398 Jy ! Component: 3950 - total flux cleaned = -0.00437258 Jy ! Component: 4000 - total flux cleaned = -0.00436121 Jy ! Component: 4050 - total flux cleaned = -0.00436115 Jy ! Total flux subtracted in 4096 components = -0.00437228 Jy ! Clean residual min=-0.000765 max=0.000704 Jy/beam ! Clean residual mean=0.000002 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.114702 Jy keep ! Adding 244 model components to the UV plane model. ! The established model now contains 347 components and 0.114702 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2228+3331_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7894 x 2.434 at -24.9 degrees (North through East) ! Clean map min=-0.0035133 max=0.10259 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2228+3331_X_map.fits wmodel /vlbi/bp222/maps//J2228+3331_X_map.mod ! Writing 347 model components to file: /vlbi/bp222/maps//J2228+3331_X_map.mod wobs /vlbi/bp222/maps//J2228+3331_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2228+3331_X_uvs.fits wwins /vlbi/bp222/maps//J2228+3331_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J2228+3331_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.102593 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000181608 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.531051 0.531051 1.0621 2.1242 4.24841 8.49682 16.9936 33.9873 67.9745 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.102 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 564.917 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2228+3331_X_dfm.log closed on Thu Sep 27 11:41:59 2018