! Started logfile: J0152-2942_X_2005_07_08_yyk_uvs.log on Fri Jan 20 09:46:06 2006 obs J0152-2942_X_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J0152-2942_X_2005_07_08_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.866667 visibilities/baseline/integration-bin. ! Found source: J0152-2942 ! ! 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 1406 lines of history. ! ! Reading 1716 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 J0152-2942_X_2005_07_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)= 0.189433 Jy 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 0.338% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6885 mas, bmaj=1.769 mas, bpa=-3.161 degrees ! Estimated noise=1.63242 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 = 0.139977 Jy ! Component: 100 - total flux cleaned = 0.16869 Jy ! Total flux subtracted in 100 components = 0.16869 Jy ! Clean residual min=-0.009556 max=0.013390 Jy/beam ! Clean residual mean=0.000020 rms=0.002613 Jy/beam ! Combined flux in latest and established models = 0.16869 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.16869 Jy ! ! Correcting IF 1. ! A total of 14 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 13 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 15 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.084712Jy sigma=1.225310 ! Fit after self-cal, rms=0.078664Jy sigma=1.134520 ! Inverting map and beam ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6886 mas, bmaj=1.77 mas, bpa=-3.171 degrees ! Estimated noise=1.63694 mJy/beam. ! Added new window around map position (1.2, 1.8). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191313 Jy ! Component: 100 - total flux cleaned = 0.029356 Jy ! Total flux subtracted in 100 components = 0.029356 Jy ! Clean residual min=-0.007389 max=0.007800 Jy/beam ! Clean residual mean=0.000006 rms=0.001719 Jy/beam ! Combined flux in latest and established models = 0.198046 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 24 components and 0.198046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074321Jy sigma=1.041391 ! Fit after self-cal, rms=0.074098Jy sigma=1.037335 ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8559 mas, bmaj=2.214 mas, bpa=-1.425 degrees ! Estimated noise=1.11901 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 = 0.00999635 Jy ! Component: 100 - total flux cleaned = 0.0142513 Jy ! Component: 150 - total flux cleaned = 0.0163615 Jy ! Component: 200 - total flux cleaned = 0.0171281 Jy ! Total flux subtracted in 200 components = 0.0171281 Jy ! Clean residual min=-0.005140 max=0.004878 Jy/beam ! Clean residual mean=0.000024 rms=0.001314 Jy/beam ! Combined flux in latest and established models = 0.215174 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 44 components and 0.215174 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073452Jy sigma=1.020184 ! Fit after self-cal, rms=0.073403Jy sigma=1.019484 ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8559 x 2.214 at -1.425 degrees (North through East) ! Clean map min=-0.0046808 max=0.16825 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if ! 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: 1.00055 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.90 HN 1.10 KP 1.00 ! LA 1.06 MK 0.97 NL 0.98 OV 1.00 ! PT 1.04 SC 0.97 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00897 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HN 1.18 KP 0.94 ! LA 0.96 MK 0.98 NL 0.99 OV 0.99 ! PT 1.02 SC 0.93 ! ! ! Correcting IF 3. ! 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* ! ! ! 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=0.073403Jy sigma=1.019484 ! Fit after self-cal, rms=0.072569Jy sigma=1.005678 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=0.072569Jy sigma=1.005678 ! Fit after self-cal, rms=0.072526Jy sigma=1.005344 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8485 mas, bmaj=2.195 mas, bpa=-1.074 degrees ! Estimated noise=1.09904 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 = -0.00219823 Jy ! Component: 100 - total flux cleaned = -0.00209568 Jy ! Component: 150 - total flux cleaned = -0.00210064 Jy ! Component: 200 - total flux cleaned = -0.00202692 Jy ! Total flux subtracted in 200 components = -0.00202692 Jy ! Clean residual min=-0.005045 max=0.003803 Jy/beam ! Clean residual mean=-0.000002 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.213147 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 50 components and 0.213147 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072362Jy sigma=1.003628 ! Fit after self-cal, rms=0.072320Jy sigma=1.003272 ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.072320Jy sigma=1.003272 ! Fit after self-cal, rms=0.064692Jy sigma=0.932807 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 = 0.000830552 Jy ! Component: 100 - total flux cleaned = 0.00110113 Jy ! Component: 150 - total flux cleaned = 0.00118953 Jy ! Component: 200 - total flux cleaned = 0.00129249 Jy ! Total flux subtracted in 200 components = 0.00129249 Jy ! Clean residual min=-0.004855 max=0.003693 Jy/beam ! Clean residual mean=-0.000000 rms=0.001096 Jy/beam ! Combined flux in latest and established models = 0.21444 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 59 components and 0.21444 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064632Jy sigma=0.931700 ! Fit after self-cal, rms=0.064410Jy sigma=0.929032 ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 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: 0.8485 x 2.195 at -1.074 degrees (North through East) ! Clean map min=-0.0045001 max=0.16754 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=0.064410Jy sigma=0.929032 ! Fit after self-cal, rms=0.064057Jy sigma=0.923402 ! 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=0.064057Jy sigma=0.923402 ! Fit after self-cal, rms=0.063991Jy sigma=0.922806 ! Inverting map and beam ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8449 mas, bmaj=2.173 mas, bpa=-1.023 degrees ! Estimated noise=1.08321 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00290701 Jy ! Component: 100 - total flux cleaned = -0.00316104 Jy ! Component: 150 - total flux cleaned = -0.00309031 Jy ! Component: 200 - total flux cleaned = -0.0030602 Jy ! Total flux subtracted in 200 components = -0.0030602 Jy ! Clean residual min=-0.004896 max=0.003679 Jy/beam ! Clean residual mean=-0.000011 rms=0.001019 Jy/beam ! Combined flux in latest and established models = 0.21138 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 68 components and 0.21138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063875Jy sigma=0.920894 ! Fit after self-cal, rms=0.063864Jy sigma=0.920774 ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.063864Jy sigma=0.920774 ! Fit after self-cal, rms=0.063255Jy sigma=0.905760 ! 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=0.063255Jy sigma=0.905760 ! Fit after self-cal, rms=0.063266Jy sigma=0.905656 ! Inverting map and beam ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8394 mas, bmaj=2.16 mas, bpa=-0.8609 degrees ! Estimated noise=1.06804 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00206568 Jy ! Component: 100 - total flux cleaned = -0.00210836 Jy ! Component: 150 - total flux cleaned = -0.00221436 Jy ! Component: 200 - total flux cleaned = -0.00227251 Jy ! Total flux subtracted in 200 components = -0.00227251 Jy ! Clean residual min=-0.004082 max=0.003622 Jy/beam ! Clean residual mean=-0.000017 rms=0.000958 Jy/beam ! Combined flux in latest and established models = 0.209107 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 74 components and 0.209107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063178Jy sigma=0.904324 ! Fit after self-cal, rms=0.063179Jy sigma=0.904271 ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.409 mas, bmaj=6.433 mas, bpa=1.405 degrees ! Estimated noise=1.38505 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 = -0.000259189 Jy ! Component: 100 - total flux cleaned = -0.00023542 Jy ! Component: 150 - total flux cleaned = -0.000219036 Jy ! Component: 200 - total flux cleaned = -0.000220636 Jy ! Total flux subtracted in 200 components = -0.000220636 Jy ! Clean residual min=-0.003906 max=0.004124 Jy/beam ! Clean residual mean=-0.000031 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 0.208886 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 79 components and 0.208886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063170Jy sigma=0.904278 ! Fit after self-cal, rms=0.063170Jy sigma=0.904211 ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 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 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6843 mas, bmaj=1.748 mas, bpa=-2.764 degrees ! Estimated noise=1.56912 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.140494 Jy ! Component: 100 - total flux cleaned = 0.171547 Jy ! Component: 150 - total flux cleaned = 0.18652 Jy ! Component: 200 - total flux cleaned = 0.194884 Jy ! Total flux subtracted in 200 components = 0.194884 Jy ! Clean residual min=-0.005330 max=0.004594 Jy/beam ! Clean residual mean=-0.000012 rms=0.001271 Jy/beam ! Combined flux in latest and established models = 0.194884 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.194884 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8394 mas, bmaj=2.16 mas, bpa=-0.8609 degrees ! Estimated noise=1.06804 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 = 0.00752804 Jy ! Component: 100 - total flux cleaned = 0.0109346 Jy ! Component: 150 - total flux cleaned = 0.0126119 Jy ! Component: 200 - total flux cleaned = 0.0131822 Jy ! Total flux subtracted in 200 components = 0.0131822 Jy ! Clean residual min=-0.004265 max=0.003502 Jy/beam ! Clean residual mean=-0.000017 rms=0.000961 Jy/beam ! Combined flux in latest and established models = 0.208066 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 42 components and 0.208066 Jy ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.409 mas, bmaj=6.433 mas, bpa=1.405 degrees ! Estimated noise=1.38505 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 = 0.000465425 Jy ! Component: 100 - total flux cleaned = 0.000488874 Jy ! Component: 150 - total flux cleaned = 0.000470603 Jy ! Component: 200 - total flux cleaned = 0.000469945 Jy ! Total flux subtracted in 200 components = 0.000469945 Jy ! Clean residual min=-0.003937 max=0.004130 Jy/beam ! Clean residual mean=-0.000032 rms=0.001177 Jy/beam ! Combined flux in latest and established models = 0.208536 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 53 components and 0.208536 Jy ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8394 mas, bmaj=2.16 mas, bpa=-0.8609 degrees ! Estimated noise=1.06804 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -9.49153e-05 Jy ! Component: 100 - total flux cleaned = -2.08853e-06 Jy ! Component: 150 - total flux cleaned = 3.89324e-05 Jy ! Component: 200 - total flux cleaned = 5.84927e-05 Jy ! Total flux subtracted in 200 components = 5.84927e-05 Jy ! Clean residual min=-0.004210 max=0.003505 Jy/beam ! Clean residual mean=-0.000018 rms=0.000953 Jy/beam ! Combined flux in latest and established models = 0.208594 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 63 components and 0.208594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063153Jy sigma=0.904147 ! Fit after self-cal, rms=0.063148Jy sigma=0.904096 wmodel J0152-2942_X_2005_07_08_yyk\_map.mod ! Writing 63 model components to file: J0152-2942_X_2005_07_08_yyk_map.mod wobs J0152-2942_X_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J0152-2942_X_2005_07_08_yyk_uvs.fits wwins J0152-2942_X_2005_07_08_yyk\_map.win ! wwins: Wrote 2 windows to J0152-2942_X_2005_07_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 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00161777 Jy ! Component: 100 - total flux cleaned = -0.00269534 Jy ! Component: 150 - total flux cleaned = -0.00380963 Jy ! Component: 200 - total flux cleaned = -0.00486197 Jy ! Component: 250 - total flux cleaned = -0.00586871 Jy ! Component: 300 - total flux cleaned = -0.00673487 Jy ! Component: 350 - total flux cleaned = -0.00752185 Jy ! Component: 400 - total flux cleaned = -0.00828492 Jy ! Component: 450 - total flux cleaned = -0.00897872 Jy ! Component: 500 - total flux cleaned = -0.00956243 Jy ! Component: 550 - total flux cleaned = -0.00999992 Jy ! Component: 600 - total flux cleaned = -0.0103407 Jy ! Component: 650 - total flux cleaned = -0.0107555 Jy ! Component: 700 - total flux cleaned = -0.0109977 Jy ! Component: 750 - total flux cleaned = -0.0112344 Jy ! Component: 800 - total flux cleaned = -0.0112728 Jy ! Component: 850 - total flux cleaned = -0.011424 Jy ! Component: 900 - total flux cleaned = -0.0115711 Jy ! Component: 950 - total flux cleaned = -0.0116785 Jy ! Component: 1000 - total flux cleaned = -0.0118194 Jy ! Component: 1050 - total flux cleaned = -0.011819 Jy ! Component: 1100 - total flux cleaned = -0.0119555 Jy ! Component: 1150 - total flux cleaned = -0.0120226 Jy ! Component: 1200 - total flux cleaned = -0.0121871 Jy ! Component: 1250 - total flux cleaned = -0.012348 Jy ! Component: 1300 - total flux cleaned = -0.0123797 Jy ! Component: 1350 - total flux cleaned = -0.0125052 Jy ! Component: 1400 - total flux cleaned = -0.0125663 Jy ! Component: 1450 - total flux cleaned = -0.0125355 Jy ! Component: 1500 - total flux cleaned = -0.0125061 Jy ! Component: 1550 - total flux cleaned = -0.0125061 Jy ! Component: 1600 - total flux cleaned = -0.0123613 Jy ! Component: 1650 - total flux cleaned = -0.0124484 Jy ! Component: 1700 - total flux cleaned = -0.0125338 Jy ! Component: 1750 - total flux cleaned = -0.0125059 Jy ! Component: 1800 - total flux cleaned = -0.0124225 Jy ! Component: 1850 - total flux cleaned = -0.0124229 Jy ! Component: 1900 - total flux cleaned = -0.0124229 Jy ! Component: 1950 - total flux cleaned = -0.0124496 Jy ! Component: 2000 - total flux cleaned = -0.0122902 Jy ! Total flux subtracted in 2048 components = -0.0122115 Jy ! Clean residual min=-0.001369 max=0.001932 Jy/beam ! Clean residual mean=-0.000005 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 0.196383 Jy keep ! Adding 142 model components to the UV plane model. ! The established model now contains 205 components and 0.196383 Jy ![Exited script file: muppet] wmap "J0152-2942_X_2005_07_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8394 x 2.16 at -0.8609 degrees (North through East) ! Clean map min=-0.0035242 max=0.16576 Jy/beam ! Writing clean map to FITS file: J0152-2942_X_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.165757 invert ! Inverting map ! Your choice of large map pixels excluded 0.339% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000493406 device "J0152-2942_X_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0152-2942_X_2005_07_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.893004 0.893004 1.78601 3.57202 7.14404 14.2881 28.5761 57.1523 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.165 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8394 x 2.16 at -0.8609 degrees (North through East) ! Clean map min=-0.0035242 max=0.16576 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0152-2942_X_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0152-2942_X_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0152-2942_X_2005_07_08_yyk_uvs.log closed on Fri Jan 20 09:46:11 2006