! Started logfile: J2217-1902_X_2004_05_08_yyk_uvs.log on Wed Dec 7 00:56:12 2005 obs J2217-1902_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J2217-1902_X_2004_05_08_yyk_uve.fits ! AN table 1: 14 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.861905 visibilities/baseline/integration-bin. ! Found source: J2217-1902 ! ! 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 1438 lines of history. ! ! Reading 2172 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 J2217-1902_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)= 0.136457 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 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.887305Jy sigma=16.316753 ! Fit after self-cal, rms=0.887041Jy sigma=16.312307 ! 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 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.6832 mas, bmaj=1.75 mas, bpa=-4.132 degrees ! Estimated noise=1.26151 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 = 0.0972335 Jy ! Component: 100 - total flux cleaned = 0.124508 Jy ! Total flux subtracted in 100 components = 0.124508 Jy ! Clean residual min=-0.005417 max=0.008699 Jy/beam ! Clean residual mean=0.000013 rms=0.001572 Jy/beam ! Combined flux in latest and established models = 0.124508 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.124508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067561Jy sigma=1.067823 ! Fit after self-cal, rms=0.067503Jy sigma=1.066994 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116037 Jy ! Component: 100 - total flux cleaned = 0.0170014 Jy ! Total flux subtracted in 100 components = 0.0170015 Jy ! Clean residual min=-0.005095 max=0.005298 Jy/beam ! Clean residual mean=0.000004 rms=0.001286 Jy/beam ! Combined flux in latest and established models = 0.14151 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.14151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066244Jy sigma=1.027241 ! Fit after self-cal, rms=0.066212Jy sigma=1.026425 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.8284 mas, bmaj=2.035 mas, bpa=-2.274 degrees ! Estimated noise=0.863838 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 = 0.00488987 Jy ! Component: 100 - total flux cleaned = 0.00532279 Jy ! Component: 150 - total flux cleaned = 0.005294 Jy ! Component: 200 - total flux cleaned = 0.0052005 Jy ! Total flux subtracted in 200 components = 0.0052005 Jy ! Clean residual min=-0.003312 max=0.003421 Jy/beam ! Clean residual mean=0.000029 rms=0.000943 Jy/beam ! Combined flux in latest and established models = 0.14671 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.14671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066330Jy sigma=1.020969 ! Fit after self-cal, rms=0.066308Jy sigma=1.020699 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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: 1.01217 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 1.03 KP 0.94 ! LA 1.00 MK 0.98 NL 1.03 OV 1.01 ! PT 0.96 SC 0.94 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01716 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 1.02 KP 0.93 ! LA 0.96 MK 0.97 NL 1.05 OV 0.95 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.01242 ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.97 HN 0.89 KP 0.85 ! LA 0.96 MK 0.95 NL 1.04 OV 1.05 ! PT 1.05 SC 0.98 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.066308Jy sigma=1.020699 ! Fit after self-cal, rms=0.066613Jy sigma=1.013070 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=0.066613Jy sigma=1.013070 ! Fit after self-cal, rms=0.066604Jy sigma=1.012810 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.8203 mas, bmaj=2.029 mas, bpa=-2.324 degrees ! Estimated noise=0.865274 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 = 0.00108506 Jy ! Component: 100 - total flux cleaned = 0.00108442 Jy ! Component: 150 - total flux cleaned = 0.0010855 Jy ! Component: 200 - total flux cleaned = 0.00106036 Jy ! Total flux subtracted in 200 components = 0.00106036 Jy ! Clean residual min=-0.003005 max=0.003215 Jy/beam ! Clean residual mean=0.000019 rms=0.000835 Jy/beam ! Combined flux in latest and established models = 0.147771 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 0.147771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066626Jy sigma=1.012292 ! Fit after self-cal, rms=0.066610Jy sigma=1.012069 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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=0.066610Jy sigma=1.012069 ! Fit after self-cal, rms=0.062815Jy sigma=0.950615 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128176 Jy ! Component: 100 - total flux cleaned = 0.00124999 Jy ! Component: 150 - total flux cleaned = 0.00120231 Jy ! Component: 200 - total flux cleaned = 0.00115661 Jy ! Total flux subtracted in 200 components = 0.00115661 Jy ! Clean residual min=-0.003113 max=0.003059 Jy/beam ! Clean residual mean=0.000016 rms=0.000818 Jy/beam ! Combined flux in latest and established models = 0.148927 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 33 components and 0.148927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062876Jy sigma=0.949936 ! Fit after self-cal, rms=0.062385Jy sigma=0.944417 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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: 0.8203 x 2.029 at -2.324 degrees (North through East) ! Clean map min=-0.0028238 max=0.1217 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=0.062385Jy sigma=0.944417 ! Fit after self-cal, rms=0.062436Jy sigma=0.936932 ! 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=0.062436Jy sigma=0.936932 ! Fit after self-cal, rms=0.062378Jy sigma=0.936037 ! Inverting map and beam ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.8181 mas, bmaj=2.046 mas, bpa=-2.527 degrees ! Estimated noise=0.853116 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00127089 Jy ! Component: 100 - total flux cleaned = -0.00132254 Jy ! Component: 150 - total flux cleaned = -0.00132454 Jy ! Component: 200 - total flux cleaned = -0.00135634 Jy ! Total flux subtracted in 200 components = -0.00135634 Jy ! Clean residual min=-0.002871 max=0.003084 Jy/beam ! Clean residual mean=0.000019 rms=0.000777 Jy/beam ! Combined flux in latest and established models = 0.147571 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 44 components and 0.147571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062287Jy sigma=0.935509 ! Fit after self-cal, rms=0.062290Jy sigma=0.935347 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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=0.062290Jy sigma=0.935347 ! Fit after self-cal, rms=0.062352Jy sigma=0.931189 ! 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=0.062352Jy sigma=0.931189 ! Fit after self-cal, rms=0.062381Jy sigma=0.931078 ! Inverting map and beam ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.8174 mas, bmaj=2.053 mas, bpa=-2.332 degrees ! Estimated noise=0.846805 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000841201 Jy ! Component: 100 - total flux cleaned = -0.000842495 Jy ! Component: 150 - total flux cleaned = -0.000786885 Jy ! Component: 200 - total flux cleaned = -0.000770843 Jy ! Total flux subtracted in 200 components = -0.000770843 Jy ! Clean residual min=-0.003072 max=0.003059 Jy/beam ! Clean residual mean=0.000020 rms=0.000774 Jy/beam ! Combined flux in latest and established models = 0.1468 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 47 components and 0.1468 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062331Jy sigma=0.930728 ! Fit after self-cal, rms=0.062348Jy sigma=0.930711 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=2.178 mas, bmaj=4.368 mas, bpa=-0.7311 degrees ! Estimated noise=1.14438 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 = -9.77181e-06 Jy ! Component: 100 - total flux cleaned = -1.46929e-05 Jy ! Component: 150 - total flux cleaned = 4.42391e-06 Jy ! Component: 200 - total flux cleaned = -1.0819e-05 Jy ! Total flux subtracted in 200 components = -1.0819e-05 Jy ! Clean residual min=-0.002971 max=0.003240 Jy/beam ! Clean residual mean=0.000044 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 0.146789 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 51 components and 0.146789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062331Jy sigma=0.931207 ! Fit after self-cal, rms=0.062324Jy sigma=0.930764 ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.6798 mas, bmaj=1.764 mas, bpa=-4.042 degrees ! Estimated noise=1.24849 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0983314 Jy ! Component: 100 - total flux cleaned = 0.125758 Jy ! Component: 150 - total flux cleaned = 0.137187 Jy ! Component: 200 - total flux cleaned = 0.142377 Jy ! Total flux subtracted in 200 components = 0.142377 Jy ! Clean residual min=-0.004381 max=0.004424 Jy/beam ! Clean residual mean=0.000004 rms=0.001151 Jy/beam ! Combined flux in latest and established models = 0.142377 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.142377 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.8174 mas, bmaj=2.053 mas, bpa=-2.332 degrees ! Estimated noise=0.846805 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 = 0.00402371 Jy ! Component: 100 - total flux cleaned = 0.004507 Jy ! Component: 150 - total flux cleaned = 0.00455079 Jy ! Component: 200 - total flux cleaned = 0.00455026 Jy ! Total flux subtracted in 200 components = 0.00455026 Jy ! Clean residual min=-0.003080 max=0.003005 Jy/beam ! Clean residual mean=0.000020 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.146927 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 27 components and 0.146927 Jy ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 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 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=2.178 mas, bmaj=4.368 mas, bpa=-0.7311 degrees ! Estimated noise=1.14438 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 = -2.12772e-05 Jy ! Component: 100 - total flux cleaned = -2.96211e-05 Jy ! Component: 150 - total flux cleaned = -3.23004e-05 Jy ! Component: 200 - total flux cleaned = -3.35472e-05 Jy ! Total flux subtracted in 200 components = -3.35472e-05 Jy ! Clean residual min=-0.002959 max=0.003228 Jy/beam ! Clean residual mean=0.000044 rms=0.000953 Jy/beam ! Combined flux in latest and established models = 0.146894 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 31 components and 0.146894 Jy ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.8174 mas, bmaj=2.053 mas, bpa=-2.332 degrees ! Estimated noise=0.846805 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00021648 Jy ! Component: 100 - total flux cleaned = 0.000121597 Jy ! Component: 150 - total flux cleaned = 3.04811e-05 Jy ! Component: 200 - total flux cleaned = 5.2688e-05 Jy ! Total flux subtracted in 200 components = 5.2688e-05 Jy ! Clean residual min=-0.003047 max=0.003075 Jy/beam ! Clean residual mean=0.000020 rms=0.000777 Jy/beam ! Combined flux in latest and established models = 0.146946 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 36 components and 0.146946 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062362Jy sigma=0.930930 ! Fit after self-cal, rms=0.062369Jy sigma=0.930915 wmodel J2217-1902_X_2004_05_08_yyk\_map.mod ! Writing 36 model components to file: J2217-1902_X_2004_05_08_yyk_map.mod wobs J2217-1902_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J2217-1902_X_2004_05_08_yyk_uvs.fits wwins J2217-1902_X_2004_05_08_yyk\_map.win ! wwins: Wrote 1 windows to J2217-1902_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 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000103557 Jy ! Component: 100 - total flux cleaned = -0.000607994 Jy ! Component: 150 - total flux cleaned = -0.000844548 Jy ! Component: 200 - total flux cleaned = -0.000890382 Jy ! Component: 250 - total flux cleaned = -0.00101808 Jy ! Component: 300 - total flux cleaned = -0.00110043 Jy ! Component: 350 - total flux cleaned = -0.00114076 Jy ! Component: 400 - total flux cleaned = -0.00121973 Jy ! Component: 450 - total flux cleaned = -0.00140875 Jy ! Component: 500 - total flux cleaned = -0.0014448 Jy ! Component: 550 - total flux cleaned = -0.00148002 Jy ! Component: 600 - total flux cleaned = -0.00137384 Jy ! Component: 650 - total flux cleaned = -0.0013741 Jy ! Component: 700 - total flux cleaned = -0.00127277 Jy ! Component: 750 - total flux cleaned = -0.00133905 Jy ! Component: 800 - total flux cleaned = -0.00137146 Jy ! Component: 850 - total flux cleaned = -0.00133997 Jy ! Component: 900 - total flux cleaned = -0.00149754 Jy ! Component: 950 - total flux cleaned = -0.00149718 Jy ! Component: 1000 - total flux cleaned = -0.00143606 Jy ! Component: 1050 - total flux cleaned = -0.00146657 Jy ! Component: 1100 - total flux cleaned = -0.00167375 Jy ! Component: 1150 - total flux cleaned = -0.00161561 Jy ! Component: 1200 - total flux cleaned = -0.00164427 Jy ! Component: 1250 - total flux cleaned = -0.00161558 Jy ! Component: 1300 - total flux cleaned = -0.00158776 Jy ! Component: 1350 - total flux cleaned = -0.00158821 Jy ! Component: 1400 - total flux cleaned = -0.00161523 Jy ! Component: 1450 - total flux cleaned = -0.00156148 Jy ! Component: 1500 - total flux cleaned = -0.00166746 Jy ! Component: 1550 - total flux cleaned = -0.00161484 Jy ! Component: 1600 - total flux cleaned = -0.00164093 Jy ! Component: 1650 - total flux cleaned = -0.00164093 Jy ! Component: 1700 - total flux cleaned = -0.00166645 Jy ! Component: 1750 - total flux cleaned = -0.00166666 Jy ! Component: 1800 - total flux cleaned = -0.00174118 Jy ! Component: 1850 - total flux cleaned = -0.00171686 Jy ! Component: 1900 - total flux cleaned = -0.00176554 Jy ! Component: 1950 - total flux cleaned = -0.00171777 Jy ! Component: 2000 - total flux cleaned = -0.0017179 Jy ! Total flux subtracted in 2048 components = -0.00169435 Jy ! Clean residual min=-0.001505 max=0.001478 Jy/beam ! Clean residual mean=0.000012 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.145252 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 181 components and 0.145252 Jy ![Exited script file: muppet] wmap "J2217-1902_X_2004_05_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8174 x 2.053 at -2.332 degrees (North through East) ! Clean map min=-0.0022559 max=0.11877 Jy/beam ! Writing clean map to FITS file: J2217-1902_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 0.118771 invert ! Inverting map ! Your choice of large map pixels excluded 0.0513% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000439983 device "J2217-1902_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J2217-1902_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.11134 1.11134 2.22267 4.44534 8.89068 17.7814 35.5627 71.1255 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.118 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8174 x 2.053 at -2.332 degrees (North through East) ! Clean map min=-0.0022559 max=0.11877 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2217-1902_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J2217-1902_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2217-1902_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:56:16 2005