! Started logfile: /vlbi/bs262/maps//J0837+5831_C_20180429_dfm.log on Mon Jun 4 23:27:43 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/bs262/maps//J0837+5831_C_20180429_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0837+5831_C_20180429_uva.fits ! AN table 1: 90 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0837+5831 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 76 lines of history. ! ! Reading 20160 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0837+5831_C] 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 0.300x0.300 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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.001112Jy sigma=26.854096 ! Fit after self-cal, rms=0.986955Jy sigma=26.478849 ! 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=1.261 mas, bmaj=4.843 mas, bpa=-11.81 degrees ! Estimated noise=0.439716 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 = 0.0104196 Jy ! Component: 100 - total flux cleaned = 0.012361 Jy ! Total flux subtracted in 100 components = 0.012361 Jy ! Clean residual min=-0.001601 max=0.001485 Jy/beam ! Clean residual mean=-0.000000 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.012361 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.012361 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. ! ! Fit before self-cal, rms=0.027567Jy sigma=0.703750 ! Fit after self-cal, rms=0.025474Jy sigma=0.643715 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391302 Jy ! Component: 100 - total flux cleaned = 0.0046149 Jy ! Total flux subtracted in 100 components = 0.0046149 Jy ! Clean residual min=-0.001259 max=0.001137 Jy/beam ! Clean residual mean=-0.000000 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.0169759 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.0169759 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. ! ! Fit before self-cal, rms=0.024913Jy sigma=0.628313 ! Fit after self-cal, rms=0.024910Jy sigma=0.628181 ! 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=1.689 mas, bmaj=4.899 mas, bpa=-12.7 degrees ! Estimated noise=0.189466 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 = 0.000737844 Jy ! Component: 100 - total flux cleaned = 0.00110634 Jy ! Component: 150 - total flux cleaned = 0.00118992 Jy ! Component: 200 - total flux cleaned = 0.00124854 Jy ! Total flux subtracted in 200 components = 0.00124854 Jy ! Clean residual min=-0.001026 max=0.000650 Jy/beam ! Clean residual mean=-0.000001 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0182244 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 18 components and 0.0182244 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. ! ! Fit before self-cal, rms=0.024885Jy sigma=0.627561 ! Fit after self-cal, rms=0.024878Jy sigma=0.627378 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.689 x 4.899 at -12.7 degrees (North through East) ! Clean map min=-0.0010375 max=0.017719 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.77 HN 0.92 KP 1.02 ! LA 1.02 MK 0.93 NL 1.06 OV 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.80 HN 0.86 KP 0.94 ! LA 1.06 MK 1.05 NL 1.06 OV 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.92 HN 0.90 KP 0.99 ! LA 1.11 MK 1.07 NL 0.97 OV 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.86 HN 0.96 KP 1.02 ! LA 1.06 MK 0.93 NL 1.17 OV 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.94 HN 0.98 KP 1.06 ! LA 1.00 MK 1.02 NL 0.95 OV 1.21 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.90 HN 0.94 KP 1.03 ! LA 1.09 MK 1.03 NL 1.05 OV 1.11 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.91 HN 0.95 KP 0.98 ! LA 1.11 MK 1.02 NL 1.07 OV 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.84 HN 0.97 KP 0.98 ! LA 1.08 MK 0.97 NL 1.15 OV 0.97 ! ! ! Fit before self-cal, rms=0.024878Jy sigma=0.627378 ! Fit after self-cal, rms=0.024631Jy sigma=0.624655 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.682 mas, bmaj=4.849 mas, bpa=-12.94 degrees ! Estimated noise=0.188319 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 = 0.000219624 Jy ! Component: 100 - total flux cleaned = 0.000253579 Jy ! Component: 150 - total flux cleaned = 0.000262952 Jy ! Component: 200 - total flux cleaned = 0.000266997 Jy ! Total flux subtracted in 200 components = 0.000266997 Jy ! Clean residual min=-0.000489 max=0.000494 Jy/beam ! Clean residual mean=-0.000000 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.0184914 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 26 components and 0.0184914 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. ! ! Fit before self-cal, rms=0.024629Jy sigma=0.624579 ! Fit after self-cal, rms=0.024703Jy sigma=0.623998 ! 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. ! ! Fit before self-cal, rms=0.024703Jy sigma=0.623998 ! Fit after self-cal, rms=0.025000Jy sigma=0.623844 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.677 mas, bmaj=4.833 mas, bpa=-12.96 degrees ! Estimated noise=0.189065 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000156201 Jy ! Component: 100 - total flux cleaned = 0.000152229 Jy ! Component: 150 - total flux cleaned = 0.000155655 Jy ! Component: 200 - total flux cleaned = 0.000152839 Jy ! Total flux subtracted in 200 components = 0.000152839 Jy ! Clean residual min=-0.000485 max=0.000456 Jy/beam ! Clean residual mean=-0.000000 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.0186443 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 32 components and 0.0186443 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. ! ! Fit before self-cal, rms=0.024998Jy sigma=0.623801 ! Fit after self-cal, rms=0.025025Jy sigma=0.623734 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 = 4.04287e-06 Jy ! Component: 100 - total flux cleaned = -9.04034e-06 Jy ! Component: 150 - total flux cleaned = -1.69865e-05 Jy ! Component: 200 - total flux cleaned = -2.59862e-05 Jy ! Total flux subtracted in 200 components = -2.59862e-05 Jy ! Clean residual min=-0.000488 max=0.000448 Jy/beam ! Clean residual mean=-0.000000 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.0186183 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 33 components and 0.0186183 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. ! ! Fit before self-cal, rms=0.025024Jy sigma=0.623712 ! Fit after self-cal, rms=0.025026Jy sigma=0.623698 ! 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. ! ! Fit before self-cal, rms=0.025026Jy sigma=0.623698 ! Fit after self-cal, rms=0.025086Jy sigma=0.623677 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.671 mas, bmaj=4.829 mas, bpa=-12.93 degrees ! Estimated noise=0.189144 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000109117 Jy ! Component: 100 - total flux cleaned = 0.000114482 Jy ! Component: 150 - total flux cleaned = 0.000117069 Jy ! Component: 200 - total flux cleaned = 0.000117041 Jy ! Total flux subtracted in 200 components = 0.000117041 Jy ! Clean residual min=-0.000488 max=0.000449 Jy/beam ! Clean residual mean=-0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0187353 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 35 components and 0.0187353 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. ! ! Fit before self-cal, rms=0.025085Jy sigma=0.623658 ! Fit after self-cal, rms=0.025094Jy sigma=0.623647 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 = -3.05294e-06 Jy ! Component: 100 - total flux cleaned = -1.18826e-05 Jy ! Component: 150 - total flux cleaned = -1.38698e-05 Jy ! Component: 200 - total flux cleaned = -1.565e-05 Jy ! Total flux subtracted in 200 components = -1.565e-05 Jy ! Clean residual min=-0.000489 max=0.000443 Jy/beam ! Clean residual mean=-0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0187197 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 37 components and 0.0187197 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. ! ! Fit before self-cal, rms=0.025094Jy sigma=0.623637 ! Fit after self-cal, rms=0.025094Jy sigma=0.623633 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.025094Jy sigma=0.623633 ! Fit after self-cal, rms=0.025121Jy sigma=0.623626 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.404 mas, bmaj=5.142 mas, bpa=-19.4 degrees ! Estimated noise=0.23616 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.52417e-05 Jy ! Component: 100 - total flux cleaned = 8.5739e-05 Jy ! Component: 150 - total flux cleaned = 8.04725e-05 Jy ! Component: 200 - total flux cleaned = 7.81091e-05 Jy ! Total flux subtracted in 200 components = 7.81091e-05 Jy ! Clean residual min=-0.000531 max=0.000524 Jy/beam ! Clean residual mean=-0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0187978 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 0.0187978 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. ! ! Fit before self-cal, rms=0.025121Jy sigma=0.623629 ! Fit after self-cal, rms=0.025123Jy sigma=0.623615 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 = 5.46143e-06 Jy ! Component: 100 - total flux cleaned = -1.15016e-05 Jy ! Component: 150 - total flux cleaned = -2.06971e-05 Jy ! Component: 200 - total flux cleaned = -2.84654e-05 Jy ! Total flux subtracted in 200 components = -2.84654e-05 Jy ! Clean residual min=-0.000530 max=0.000522 Jy/beam ! Clean residual mean=-0.000001 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0187693 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 0.0187693 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. ! ! Fit before self-cal, rms=0.025123Jy sigma=0.623619 ! Fit after self-cal, rms=0.025123Jy sigma=0.623609 ! 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=1.666 mas, bmaj=4.829 mas, bpa=-12.89 degrees ! Estimated noise=0.189252 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.666 x 4.829 at -12.89 degrees (North through East) ! Clean map min=-0.0004482 max=0.01758 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=1.242 mas, bmaj=4.747 mas, bpa=-11.8 degrees ! Estimated noise=0.431524 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0133669 Jy ! Component: 100 - total flux cleaned = 0.0164868 Jy ! Component: 150 - total flux cleaned = 0.01781 Jy ! Component: 200 - total flux cleaned = 0.0182119 Jy ! Total flux subtracted in 200 components = 0.0182119 Jy ! Clean residual min=-0.001042 max=0.001146 Jy/beam ! Clean residual mean=-0.000000 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.0182119 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0182119 Jy ! Inverting map and beam ! Estimated beam: bmin=1.666 mas, bmaj=4.829 mas, bpa=-12.89 degrees ! Estimated noise=0.189252 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 = 0.000245514 Jy ! Component: 100 - total flux cleaned = 0.000383229 Jy ! Component: 150 - total flux cleaned = 0.000451439 Jy ! Component: 200 - total flux cleaned = 0.000476111 Jy ! Total flux subtracted in 200 components = 0.000476111 Jy ! Clean residual min=-0.000527 max=0.000453 Jy/beam ! Clean residual mean=-0.000000 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.018688 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 26 components and 0.018688 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.404 mas, bmaj=5.142 mas, bpa=-19.4 degrees ! Estimated noise=0.23616 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.83053e-05 Jy ! Component: 100 - total flux cleaned = 3.40877e-05 Jy ! Component: 150 - total flux cleaned = 3.76451e-05 Jy ! Component: 200 - total flux cleaned = 3.75688e-05 Jy ! Total flux subtracted in 200 components = 3.75688e-05 Jy ! Clean residual min=-0.000537 max=0.000508 Jy/beam ! Clean residual mean=-0.000001 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0187256 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 = 5.78814e-08 Jy ! Component: 100 - total flux cleaned = 1.53644e-07 Jy ! Component: 150 - total flux cleaned = 2.79205e-07 Jy ! Component: 200 - total flux cleaned = 2.34198e-07 Jy ! Total flux subtracted in 200 components = 2.34198e-07 Jy ! Clean residual min=-0.000537 max=0.000512 Jy/beam ! Clean residual mean=-0.000001 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0187258 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 36 components and 0.0187258 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.666 mas, bmaj=4.829 mas, bpa=-12.89 degrees ! Estimated noise=0.189252 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.79292e-05 Jy ! Component: 100 - total flux cleaned = -7.55707e-05 Jy ! Component: 150 - total flux cleaned = -6.38533e-05 Jy ! Component: 200 - total flux cleaned = -5.66725e-05 Jy ! Total flux subtracted in 200 components = -5.66725e-05 Jy ! Clean residual min=-0.000491 max=0.000436 Jy/beam ! Clean residual mean=-0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0186691 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.0186691 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. ! ! Fit before self-cal, rms=0.025124Jy sigma=0.623631 ! Fit after self-cal, rms=0.025123Jy sigma=0.623623 wmodel J0837+5831_C_map.mod ! Writing 50 model components to file: J0837+5831_C_map.mod wobs J0837+5831_C_uvs.fits ! Writing UV FITS file: J0837+5831_C_uvs.fits wwins J0837+5831_C_map.win ! wwins: Wrote 1 windows to J0837+5831_C_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 = -7.95702e-05 Jy ! Component: 100 - total flux cleaned = -0.000133155 Jy ! Component: 150 - total flux cleaned = -0.000198586 Jy ! Component: 200 - total flux cleaned = -0.00024689 Jy ! Component: 250 - total flux cleaned = -0.000299967 Jy ! Component: 300 - total flux cleaned = -0.000319181 Jy ! Component: 350 - total flux cleaned = -0.000337817 Jy ! Component: 400 - total flux cleaned = -0.000355837 Jy ! Component: 450 - total flux cleaned = -0.00033839 Jy ! Component: 500 - total flux cleaned = -0.00034397 Jy ! Component: 550 - total flux cleaned = -0.000338402 Jy ! Component: 600 - total flux cleaned = -0.000333017 Jy ! Component: 650 - total flux cleaned = -0.00031206 Jy ! Component: 700 - total flux cleaned = -0.00030182 Jy ! Component: 750 - total flux cleaned = -0.000281651 Jy ! Component: 800 - total flux cleaned = -0.00025201 Jy ! Component: 850 - total flux cleaned = -0.000232628 Jy ! Component: 900 - total flux cleaned = -0.000204097 Jy ! Component: 950 - total flux cleaned = -0.000194808 Jy ! Component: 1000 - total flux cleaned = -0.000176389 Jy ! Component: 1050 - total flux cleaned = -0.000158134 Jy ! Component: 1100 - total flux cleaned = -0.000131235 Jy ! Component: 1150 - total flux cleaned = -0.000113649 Jy ! Component: 1200 - total flux cleaned = -8.76365e-05 Jy ! Component: 1250 - total flux cleaned = -6.62735e-05 Jy ! Component: 1300 - total flux cleaned = -4.52771e-05 Jy ! Component: 1350 - total flux cleaned = -3.70414e-05 Jy ! Component: 1400 - total flux cleaned = -4.93686e-05 Jy ! Component: 1450 - total flux cleaned = -4.12646e-05 Jy ! Component: 1500 - total flux cleaned = -3.32877e-05 Jy ! Component: 1550 - total flux cleaned = -2.93888e-05 Jy ! Component: 1600 - total flux cleaned = -1.77093e-05 Jy ! Component: 1650 - total flux cleaned = -6.15339e-06 Jy ! Component: 1700 - total flux cleaned = -2.34656e-06 Jy ! Component: 1750 - total flux cleaned = 9.00164e-06 Jy ! Component: 1800 - total flux cleaned = 1.64522e-05 Jy ! Component: 1850 - total flux cleaned = 3.49853e-05 Jy ! Component: 1900 - total flux cleaned = 4.23297e-05 Jy ! Component: 1950 - total flux cleaned = 4.95832e-05 Jy ! Component: 2000 - total flux cleaned = 5.67443e-05 Jy ! Component: 2050 - total flux cleaned = 6.38594e-05 Jy ! Component: 2100 - total flux cleaned = 6.03322e-05 Jy ! Component: 2150 - total flux cleaned = 5.68373e-05 Jy ! Component: 2200 - total flux cleaned = 6.37643e-05 Jy ! Component: 2250 - total flux cleaned = 6.02905e-05 Jy ! Component: 2300 - total flux cleaned = 7.05331e-05 Jy ! Component: 2350 - total flux cleaned = 7.39028e-05 Jy ! Component: 2400 - total flux cleaned = 8.0622e-05 Jy ! Component: 2450 - total flux cleaned = 8.06244e-05 Jy ! Component: 2500 - total flux cleaned = 8.72579e-05 Jy ! Component: 2550 - total flux cleaned = 9.05562e-05 Jy ! Component: 2600 - total flux cleaned = 0.000103561 Jy ! Component: 2650 - total flux cleaned = 0.000110004 Jy ! Component: 2700 - total flux cleaned = 0.000103568 Jy ! Component: 2750 - total flux cleaned = 0.000119506 Jy ! Component: 2800 - total flux cleaned = 0.000116351 Jy ! Component: 2850 - total flux cleaned = 0.000116368 Jy ! Component: 2900 - total flux cleaned = 0.000125767 Jy ! Component: 2950 - total flux cleaned = 0.000131982 Jy ! Component: 3000 - total flux cleaned = 0.000138112 Jy ! Component: 3050 - total flux cleaned = 0.000144221 Jy ! Component: 3100 - total flux cleaned = 0.000138163 Jy ! Component: 3150 - total flux cleaned = 0.000150244 Jy ! Component: 3200 - total flux cleaned = 0.000144243 Jy ! Component: 3250 - total flux cleaned = 0.000147225 Jy ! Component: 3300 - total flux cleaned = 0.000150177 Jy ! Component: 3350 - total flux cleaned = 0.000153085 Jy ! Component: 3400 - total flux cleaned = 0.000158928 Jy ! Component: 3450 - total flux cleaned = 0.000176324 Jy ! Component: 3500 - total flux cleaned = 0.000161878 Jy ! Component: 3550 - total flux cleaned = 0.000167609 Jy ! Component: 3600 - total flux cleaned = 0.000167629 Jy ! Component: 3650 - total flux cleaned = 0.000178964 Jy ! Component: 3700 - total flux cleaned = 0.000178957 Jy ! Component: 3750 - total flux cleaned = 0.000198621 Jy ! Component: 3800 - total flux cleaned = 0.000201409 Jy ! Component: 3850 - total flux cleaned = 0.000212513 Jy ! Component: 3900 - total flux cleaned = 0.000207018 Jy ! Component: 3950 - total flux cleaned = 0.000223507 Jy ! Component: 4000 - total flux cleaned = 0.000228968 Jy ! Component: 4050 - total flux cleaned = 0.000239867 Jy ! Total flux subtracted in 4096 components = 0.000245252 Jy ! Clean residual min=-0.000159 max=0.000153 Jy/beam ! Clean residual mean=-0.000000 rms=0.000048 Jy/beam ! Combined flux in latest and established models = 0.0189144 Jy keep ! Adding 263 model components to the UV plane model. ! The established model now contains 313 components and 0.0189144 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0837+5831_C_20180429_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.666 x 4.829 at -12.89 degrees (North through East) ! Clean map min=-0.00033706 max=0.017553 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0837+5831_C_20180429_map.fits wmodel /vlbi/bs262/maps//J0837+5831_C_20180429_map.mod ! Writing 313 model components to file: /vlbi/bs262/maps//J0837+5831_C_20180429_map.mod wobs /vlbi/bs262/maps//J0837+5831_C_20180429_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0837+5831_C_20180429_uvs.fits wwins /vlbi/bs262/maps//J0837+5831_C_20180429_map.win ! wwins: Wrote 2 windows to /vlbi/bs262/maps//J0837+5831_C_20180429_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0175526 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.7961e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.819726 0.819726 1.63945 3.2789 6.55781 13.1156 26.2312 52.4625 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.017 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 365.976 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0837+5831_C_20180429_dfm.log closed on Mon Jun 4 23:27:48 2018