! Started logfile: J1820-2528_X_2004_05_08_yyk_uvs.log on Wed Dec 7 00:43:56 2005 obs J1820-2528_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J1820-2528_X_2004_05_08_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.888889 visibilities/baseline/integration-bin. ! Found source: J1820-2528 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1434 lines of history. ! ! Reading 1440 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ![@muppet J1820-2528_X_2004_05_08_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 10 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 30 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.458186 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! 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 14 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 14 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 14 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 14 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.576559Jy sigma=9.655840 ! Fit after self-cal, rms=0.576520Jy sigma=9.654326 ! 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 ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.638 mas, bmaj=1.794 mas, bpa=-3.645 degrees ! Estimated noise=1.50848 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.360117 Jy ! Component: 100 - total flux cleaned = 0.450371 Jy ! Total flux subtracted in 100 components = 0.450371 Jy ! Clean residual min=-0.017142 max=0.031047 Jy/beam ! Clean residual mean=-0.000184 rms=0.006476 Jy/beam ! Combined flux in latest and established models = 0.450371 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.450371 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107441Jy sigma=1.823726 ! Fit after self-cal, rms=0.107160Jy sigma=1.819516 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! 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 ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8012 mas, bmaj=2.095 mas, bpa=0.3647 degrees ! Estimated noise=1.14914 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0650063 Jy ! Component: 100 - total flux cleaned = 0.0896704 Jy ! Component: 150 - total flux cleaned = 0.0994968 Jy ! Component: 200 - total flux cleaned = 0.102906 Jy ! Total flux subtracted in 200 components = 0.102906 Jy ! Clean residual min=-0.014560 max=0.022806 Jy/beam ! Clean residual mean=-0.000080 rms=0.004292 Jy/beam ! Combined flux in latest and established models = 0.553277 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 40 components and 0.553277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087440Jy sigma=1.333856 ! Fit after self-cal, rms=0.087172Jy sigma=1.331454 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2. ! Selfcal phase corrections will not be limited. gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 0.989224 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.96 HN 1.20 KP 0.96 ! LA 0.96 MK 1.01 NL 1.02 OV 1.01 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.997248 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 1.18 KP 0.93 ! LA 0.94 MK 1.01 NL 1.00 OV 0.96 ! PT 1.00 SC 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.993131 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 1.08 KP 0.87 ! LA 0.94 MK 0.99 NL 0.99 OV 1.02 ! PT 1.04 SC 1.00 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.973976 ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.06 HN 1.12 KP 0.90 ! LA 0.95 MK 0.97 NL 1.03 OV 1.03 ! PT 1.10 SC 1.00 ! ! ! Fit before self-cal, rms=0.087172Jy sigma=1.331454 ! Fit after self-cal, rms=0.079998Jy sigma=1.171687 selfcal false, false, phase_soltime ! Performing phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079998Jy sigma=1.171687 ! Fit after self-cal, rms=0.080042Jy sigma=1.171599 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8076 mas, bmaj=2.098 mas, bpa=0.6224 degrees ! Estimated noise=1.12374 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1, -7.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00799936 Jy ! Component: 100 - total flux cleaned = 0.0050966 Jy ! Component: 150 - total flux cleaned = 0.00316972 Jy ! Component: 200 - total flux cleaned = 0.0016634 Jy ! Total flux subtracted in 200 components = 0.0016634 Jy ! Clean residual min=-0.006209 max=0.011407 Jy/beam ! Clean residual mean=0.000002 rms=0.001957 Jy/beam ! Combined flux in latest and established models = 0.55494 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 0.55494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076307Jy sigma=1.101873 ! Fit after self-cal, rms=0.076227Jy sigma=1.101365 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Added new window around map position (1.6, -2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00963217 Jy ! Component: 100 - total flux cleaned = 0.00919334 Jy ! Component: 150 - total flux cleaned = 0.00826523 Jy ! Component: 200 - total flux cleaned = 0.00730894 Jy ! Total flux subtracted in 200 components = 0.00730894 Jy ! Clean residual min=-0.005707 max=0.007223 Jy/beam ! Clean residual mean=0.000027 rms=0.001582 Jy/beam ! Combined flux in latest and established models = 0.562249 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 85 components and 0.562249 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074175Jy sigma=1.070641 ! Fit after self-cal, rms=0.074055Jy sigma=1.068904 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************" ! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074055Jy sigma=1.068904 ! Fit after self-cal, rms=0.072436Jy sigma=1.033328 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-10.8, -1). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00765038 Jy ! Component: 100 - total flux cleaned = 0.0108075 Jy ! Component: 150 - total flux cleaned = 0.0105513 Jy ! Component: 200 - total flux cleaned = 0.0103235 Jy ! Total flux subtracted in 200 components = 0.0103235 Jy ! Clean residual min=-0.004379 max=0.004946 Jy/beam ! Clean residual mean=0.000040 rms=0.001308 Jy/beam ! Combined flux in latest and established models = 0.572573 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 106 components and 0.572573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071381Jy sigma=1.018482 ! Fit after self-cal, rms=0.071319Jy sigma=1.016285 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***" ! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8076 x 2.098 at 0.6224 degrees (North through East) ! Clean map min=-0.0058109 max=0.40945 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true, amp_soltime2 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "************** FINISHED AMPLITUDE SELF-CAL **************" end if ! Performing amp+phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071319Jy sigma=1.016285 ! Fit after self-cal, rms=0.070162Jy sigma=1.003674 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070162Jy sigma=1.003674 ! Fit after self-cal, rms=0.070170Jy sigma=1.003548 ! Inverting map and beam ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8012 mas, bmaj=2.086 mas, bpa=0.4566 degrees ! Estimated noise=1.11984 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00371304 Jy ! Component: 100 - total flux cleaned = 0.00361599 Jy ! Component: 150 - total flux cleaned = 0.00333645 Jy ! Component: 200 - total flux cleaned = 0.00307646 Jy ! Total flux subtracted in 200 components = 0.00307646 Jy ! Clean residual min=-0.003970 max=0.004433 Jy/beam ! Clean residual mean=0.000032 rms=0.001146 Jy/beam ! Combined flux in latest and established models = 0.575649 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 116 components and 0.575649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069741Jy sigma=0.997524 ! Fit after self-cal, rms=0.069711Jy sigma=0.997207 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Performing amp+phase self-cal over 1 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069711Jy sigma=0.997207 ! Fit after self-cal, rms=0.068034Jy sigma=0.970723 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068034Jy sigma=0.970723 ! Fit after self-cal, rms=0.068035Jy sigma=0.970715 ! Inverting map and beam ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.799 mas, bmaj=2.081 mas, bpa=0.2998 degrees ! Estimated noise=1.12155 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00245364 Jy ! Component: 100 - total flux cleaned = 0.00245229 Jy ! Component: 150 - total flux cleaned = 0.0023769 Jy ! Component: 200 - total flux cleaned = 0.00243843 Jy ! Total flux subtracted in 200 components = 0.00243843 Jy ! Clean residual min=-0.003739 max=0.003804 Jy/beam ! Clean residual mean=0.000021 rms=0.001057 Jy/beam ! Combined flux in latest and established models = 0.578087 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 133 components and 0.578087 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067791Jy sigma=0.967088 ! Fit after self-cal, rms=0.067760Jy sigma=0.966862 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! ************** FINISHED AMPLITUDE SELF-CAL ************** uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.281 mas, bmaj=5.964 mas, bpa=4.265 degrees ! Estimated noise=1.49524 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145027 Jy ! Component: 100 - total flux cleaned = 0.00169011 Jy ! Component: 150 - total flux cleaned = 0.00194363 Jy ! Component: 200 - total flux cleaned = 0.00205505 Jy ! Total flux subtracted in 200 components = 0.00205505 Jy ! Clean residual min=-0.003672 max=0.004621 Jy/beam ! Clean residual mean=0.000049 rms=0.001397 Jy/beam ! Combined flux in latest and established models = 0.580142 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 144 components and 0.580142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067742Jy sigma=0.966516 ! Fit after self-cal, rms=0.067734Jy sigma=0.966435 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.4 print "************** FINISHED TAPERING SELF-CAL CLEAN **************" ! ************** FINISHED TAPERING SELF-CAL CLEAN ************** ! print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum 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 ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6365 mas, bmaj=1.785 mas, bpa=-3.615 degrees ! Estimated noise=1.47857 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.354227 Jy ! Component: 100 - total flux cleaned = 0.444853 Jy ! Component: 150 - total flux cleaned = 0.490262 Jy ! Component: 200 - total flux cleaned = 0.517174 Jy ! Total flux subtracted in 200 components = 0.517174 Jy ! Clean residual min=-0.009648 max=0.014039 Jy/beam ! Clean residual mean=-0.000069 rms=0.003019 Jy/beam ! Combined flux in latest and established models = 0.517174 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 40 model components to the UV plane model. ! The established model now contains 40 components and 0.517174 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.799 mas, bmaj=2.081 mas, bpa=0.2998 degrees ! Estimated noise=1.12155 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.026416 Jy ! Component: 100 - total flux cleaned = 0.0404382 Jy ! Component: 150 - total flux cleaned = 0.0494583 Jy ! Component: 200 - total flux cleaned = 0.0531299 Jy ! Total flux subtracted in 200 components = 0.0531299 Jy ! Clean residual min=-0.005055 max=0.005290 Jy/beam ! Clean residual mean=-0.000013 rms=0.001380 Jy/beam ! Combined flux in latest and established models = 0.570304 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 83 components and 0.570304 Jy ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.281 mas, bmaj=5.964 mas, bpa=4.265 degrees ! Estimated noise=1.49524 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00710011 Jy ! Component: 100 - total flux cleaned = 0.00908757 Jy ! Component: 150 - total flux cleaned = 0.0101549 Jy ! Component: 200 - total flux cleaned = 0.0105111 Jy ! Total flux subtracted in 200 components = 0.0105111 Jy ! Clean residual min=-0.004023 max=0.004406 Jy/beam ! Clean residual mean=0.000042 rms=0.001412 Jy/beam ! Combined flux in latest and established models = 0.580815 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 109 components and 0.580815 Jy ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.799 mas, bmaj=2.081 mas, bpa=0.2998 degrees ! Estimated noise=1.12155 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000973746 Jy ! Component: 100 - total flux cleaned = 0.00112871 Jy ! Component: 150 - total flux cleaned = 0.00100717 Jy ! Component: 200 - total flux cleaned = 0.000795179 Jy ! Total flux subtracted in 200 components = 0.000795179 Jy ! Clean residual min=-0.004263 max=0.004175 Jy/beam ! Clean residual mean=0.000024 rms=0.001121 Jy/beam ! Combined flux in latest and established models = 0.58161 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 128 components and 0.58161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067827Jy sigma=0.971357 ! Fit after self-cal, rms=0.067762Jy sigma=0.969834 wmodel J1820-2528_X_2004_05_08_yyk\_map.mod ! Writing 128 model components to file: J1820-2528_X_2004_05_08_yyk_map.mod wobs J1820-2528_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J1820-2528_X_2004_05_08_yyk_uvs.fits wwins J1820-2528_X_2004_05_08_yyk\_map.win ! wwins: Wrote 4 windows to J1820-2528_X_2004_05_08_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -6.99735e-05 Jy ! Component: 100 - total flux cleaned = -0.000211312 Jy ! Component: 150 - total flux cleaned = -0.000341604 Jy ! Component: 200 - total flux cleaned = -0.00040313 Jy ! Component: 250 - total flux cleaned = -0.000520529 Jy ! Component: 300 - total flux cleaned = -0.000577142 Jy ! Component: 350 - total flux cleaned = -0.000738864 Jy ! Component: 400 - total flux cleaned = -0.000685821 Jy ! Component: 450 - total flux cleaned = -0.000635055 Jy ! Component: 500 - total flux cleaned = -0.000486694 Jy ! Component: 550 - total flux cleaned = -0.000486149 Jy ! Component: 600 - total flux cleaned = -0.000297588 Jy ! Component: 650 - total flux cleaned = -0.000204339 Jy ! Component: 700 - total flux cleaned = -2.35241e-05 Jy ! Component: 750 - total flux cleaned = 6.43972e-05 Jy ! Component: 800 - total flux cleaned = 0.000152128 Jy ! Component: 850 - total flux cleaned = 0.000490747 Jy ! Component: 900 - total flux cleaned = 0.000406752 Jy ! Component: 950 - total flux cleaned = 0.000651649 Jy ! Component: 1000 - total flux cleaned = 0.000651277 Jy ! Component: 1050 - total flux cleaned = 0.000887875 Jy ! Component: 1100 - total flux cleaned = 0.000810483 Jy ! Component: 1150 - total flux cleaned = 0.00103984 Jy ! Component: 1200 - total flux cleaned = 0.00107697 Jy ! Component: 1250 - total flux cleaned = 0.00122402 Jy ! Component: 1300 - total flux cleaned = 0.00129686 Jy ! Component: 1350 - total flux cleaned = 0.00140396 Jy ! Component: 1400 - total flux cleaned = 0.00158043 Jy ! Component: 1450 - total flux cleaned = 0.00178796 Jy ! Component: 1500 - total flux cleaned = 0.0017873 Jy ! Component: 1550 - total flux cleaned = 0.00195595 Jy ! Component: 1600 - total flux cleaned = 0.00195583 Jy ! Component: 1650 - total flux cleaned = 0.0019884 Jy ! Component: 1700 - total flux cleaned = 0.00189051 Jy ! Component: 1750 - total flux cleaned = 0.00185863 Jy ! Component: 1800 - total flux cleaned = 0.0016992 Jy ! Component: 1850 - total flux cleaned = 0.00163625 Jy ! Component: 1900 - total flux cleaned = 0.00154262 Jy ! Component: 1950 - total flux cleaned = 0.00144954 Jy ! Component: 2000 - total flux cleaned = 0.00138793 Jy ! Total flux subtracted in 2048 components = 0.00135706 Jy ! Clean residual min=-0.001649 max=0.001695 Jy/beam ! Clean residual mean=-0.000004 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.582968 Jy keep ! Adding 122 model components to the UV plane model. ! The established model now contains 250 components and 0.582968 Jy ![Exited script file: muppet] wmap "J1820-2528_X_2004_05_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.799 x 2.081 at 0.2998 degrees (North through East) ! Clean map min=-0.0043724 max=0.40977 Jy/beam ! Writing clean map to FITS file: J1820-2528_X_2004_05_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.40977 invert ! Inverting map ! Your choice of large map pixels excluded 0.618% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000548938 device "J1820-2528_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J1820-2528_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.401888 0.401888 0.803776 1.60755 3.2151 6.43021 12.8604 25.7208 51.4416 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.409 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.799 x 2.081 at 0.2998 degrees (North through East) ! Clean map min=-0.0043724 max=0.40977 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1820-2528_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J1820-2528_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1820-2528_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:44:01 2005