! Started logfile: J0257+7843_X_2006_02_16_yyk_uvs.log on Wed Jul 5 11:10:02 2006 obs J0257+7843_X_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J0257+7843_X_2006_02_16_yyk_uva.fits ! AN table 1: 882 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.997506 visibilities/baseline/integration-bin. ! Found source: J0257+7843 ! ! 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 2424 lines of history. ! ! Reading 158364 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 J0257+7843_X_2006_02_16_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. uvav time_av, true ! Averaging into 30 second bins. ! 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 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.13589 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6435 mas, bmaj=2.72 mas, bpa=1.937 degrees ! Estimated noise=1.20426 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 = 0.0878388 Jy ! Component: 100 - total flux cleaned = 0.105925 Jy ! Total flux subtracted in 100 components = 0.105925 Jy ! Clean residual min=-0.011027 max=0.011494 Jy/beam ! Clean residual mean=-0.000041 rms=0.002733 Jy/beam ! Combined flux in latest and established models = 0.105925 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.105925 Jy ! ! Correcting IF 1. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.076945Jy sigma=1.515880 ! Fit after self-cal, rms=0.076668Jy sigma=1.510141 ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6435 mas, bmaj=2.72 mas, bpa=1.937 degrees ! Estimated noise=1.20426 mJy/beam. 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.857 mas, bmaj=2.891 mas, bpa=1.538 degrees ! Estimated noise=0.642838 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 (-1.4, 0). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283537 Jy ! Component: 100 - total flux cleaned = 0.0439403 Jy ! Component: 150 - total flux cleaned = 0.0544891 Jy ! Component: 200 - total flux cleaned = 0.0617872 Jy ! Total flux subtracted in 200 components = 0.0617872 Jy ! Clean residual min=-0.008409 max=0.011136 Jy/beam ! Clean residual mean=-0.000055 rms=0.002157 Jy/beam ! Combined flux in latest and established models = 0.167712 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 54 components and 0.167712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069174Jy sigma=1.324548 ! Fit after self-cal, rms=0.068374Jy sigma=1.308330 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.857 x 2.891 at 1.538 degrees (North through East) ! Clean map min=-0.0065142 max=0.10912 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 ! 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 2. ! 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 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=0.068374Jy sigma=1.308330 ! Fit after self-cal, rms=0.068374Jy sigma=1.308330 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=0.068374Jy sigma=1.308330 ! Fit after self-cal, rms=0.068391Jy sigma=1.308488 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.857 mas, bmaj=2.891 mas, bpa=1.538 degrees ! Estimated noise=0.642838 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 = 0.00872483 Jy ! Component: 100 - total flux cleaned = 0.0133827 Jy ! Component: 150 - total flux cleaned = 0.0154927 Jy ! Component: 200 - total flux cleaned = 0.0164198 Jy ! Total flux subtracted in 200 components = 0.0164198 Jy ! Clean residual min=-0.006570 max=0.007389 Jy/beam ! Clean residual mean=-0.000029 rms=0.001667 Jy/beam ! Combined flux in latest and established models = 0.184132 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 82 components and 0.184132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067517Jy sigma=1.288823 ! Fit after self-cal, rms=0.067416Jy sigma=1.286478 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 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=0.067416Jy sigma=1.286478 ! Fit after self-cal, rms=0.054262Jy sigma=1.044534 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 (2.4, -8.6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103048 Jy ! Component: 100 - total flux cleaned = 0.0129797 Jy ! Component: 150 - total flux cleaned = 0.0137512 Jy ! Component: 200 - total flux cleaned = 0.0142628 Jy ! Total flux subtracted in 200 components = 0.0142628 Jy ! Clean residual min=-0.004625 max=0.006159 Jy/beam ! Clean residual mean=-0.000010 rms=0.001377 Jy/beam ! Combined flux in latest and established models = 0.198395 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 112 components and 0.198395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052368Jy sigma=1.010044 ! Fit after self-cal, rms=0.051595Jy sigma=0.995084 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 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: 0.857 x 2.891 at 1.538 degrees (North through East) ! Clean map min=-0.00445 max=0.11277 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=0.051595Jy sigma=0.995084 ! Fit after self-cal, rms=0.049265Jy sigma=0.967351 ! 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=0.049265Jy sigma=0.967351 ! Fit after self-cal, rms=0.049223Jy sigma=0.966330 ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8258 mas, bmaj=2.893 mas, bpa=1.732 degrees ! Estimated noise=0.636404 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000499404 Jy ! Component: 100 - total flux cleaned = -0.000220124 Jy ! Component: 150 - total flux cleaned = 0.000419658 Jy ! Component: 200 - total flux cleaned = 0.000772106 Jy ! Total flux subtracted in 200 components = 0.000772106 Jy ! Clean residual min=-0.003213 max=0.003739 Jy/beam ! Clean residual mean=-0.000008 rms=0.000884 Jy/beam ! Combined flux in latest and established models = 0.199167 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 140 components and 0.199167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048980Jy sigma=0.960852 ! Fit after self-cal, rms=0.048970Jy sigma=0.960574 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 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=0.048970Jy sigma=0.960574 ! Fit after self-cal, rms=0.048774Jy sigma=0.946179 ! 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=0.048774Jy sigma=0.946179 ! Fit after self-cal, rms=0.048779Jy sigma=0.946130 ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8236 mas, bmaj=2.886 mas, bpa=1.872 degrees ! Estimated noise=0.63602 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00112136 Jy ! Component: 100 - total flux cleaned = -0.000905946 Jy ! Component: 150 - total flux cleaned = -0.000649252 Jy ! Component: 200 - total flux cleaned = -0.000476683 Jy ! Total flux subtracted in 200 components = -0.000476683 Jy ! Clean residual min=-0.002994 max=0.003092 Jy/beam ! Clean residual mean=-0.000006 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 0.19869 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 147 components and 0.19869 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048636Jy sigma=0.942877 ! Fit after self-cal, rms=0.048631Jy sigma=0.942803 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=2.152 mas, bmaj=3.382 mas, bpa=2.583 degrees ! Estimated noise=0.840639 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 = 0.00165168 Jy ! Component: 100 - total flux cleaned = 0.00184846 Jy ! Component: 150 - total flux cleaned = 0.00218223 Jy ! Component: 200 - total flux cleaned = 0.00247289 Jy ! Total flux subtracted in 200 components = 0.00247289 Jy ! Clean residual min=-0.003232 max=0.003865 Jy/beam ! Clean residual mean=-0.000003 rms=0.001181 Jy/beam ! Combined flux in latest and established models = 0.201163 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 157 components and 0.201163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048619Jy sigma=0.942141 ! Fit after self-cal, rms=0.048615Jy sigma=0.942009 ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.6303 mas, bmaj=2.713 mas, bpa=1.895 degrees ! Estimated noise=1.16865 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.096035 Jy ! Component: 100 - total flux cleaned = 0.11763 Jy ! Component: 150 - total flux cleaned = 0.130591 Jy ! Component: 200 - total flux cleaned = 0.139857 Jy ! Total flux subtracted in 200 components = 0.139857 Jy ! Clean residual min=-0.004556 max=0.005101 Jy/beam ! Clean residual mean=-0.000026 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 0.139857 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 32 model components to the UV plane model. ! The established model now contains 32 components and 0.139857 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8236 mas, bmaj=2.886 mas, bpa=1.872 degrees ! Estimated noise=0.63602 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 = 0.0165788 Jy ! Component: 100 - total flux cleaned = 0.0265021 Jy ! Component: 150 - total flux cleaned = 0.0335658 Jy ! Component: 200 - total flux cleaned = 0.0389286 Jy ! Total flux subtracted in 200 components = 0.0389286 Jy ! Clean residual min=-0.003762 max=0.004819 Jy/beam ! Clean residual mean=-0.000036 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.178786 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 77 components and 0.178786 Jy ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Added new window around map position (4.4, -15). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00552015 Jy ! Component: 100 - total flux cleaned = 0.00924889 Jy ! Component: 150 - total flux cleaned = 0.0122307 Jy ! Component: 200 - total flux cleaned = 0.014687 Jy ! Total flux subtracted in 200 components = 0.014687 Jy ! Clean residual min=-0.003335 max=0.002212 Jy/beam ! Clean residual mean=-0.000014 rms=0.000779 Jy/beam ! Combined flux in latest and established models = 0.193473 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 130 components and 0.193473 Jy ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=2.152 mas, bmaj=3.382 mas, bpa=2.583 degrees ! Estimated noise=0.840639 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 = 0.00396158 Jy ! Component: 100 - total flux cleaned = 0.00645581 Jy ! Component: 150 - total flux cleaned = 0.00808677 Jy ! Component: 200 - total flux cleaned = 0.00878822 Jy ! Total flux subtracted in 200 components = 0.00878822 Jy ! Clean residual min=-0.003170 max=0.003304 Jy/beam ! Clean residual mean=-0.000002 rms=0.001039 Jy/beam ! Combined flux in latest and established models = 0.202261 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 160 components and 0.202261 Jy ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! Estimated beam: bmin=0.8236 mas, bmaj=2.886 mas, bpa=1.872 degrees ! Estimated noise=0.63602 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 9.68764e-05 Jy ! Component: 100 - total flux cleaned = 0.000412339 Jy ! Component: 150 - total flux cleaned = 0.000547184 Jy ! Component: 200 - total flux cleaned = 0.000629576 Jy ! Total flux subtracted in 200 components = 0.000629576 Jy ! Clean residual min=-0.002937 max=0.002314 Jy/beam ! Clean residual mean=-0.000000 rms=0.000666 Jy/beam ! Combined flux in latest and established models = 0.20289 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 178 components and 0.20289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048370Jy sigma=0.936429 ! Fit after self-cal, rms=0.048345Jy sigma=0.935920 wmodel J0257+7843_X_2006_02_16_yyk\_map.mod ! Writing 178 model components to file: J0257+7843_X_2006_02_16_yyk_map.mod wobs J0257+7843_X_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J0257+7843_X_2006_02_16_yyk_uvs.fits wwins J0257+7843_X_2006_02_16_yyk\_map.win ! wwins: Wrote 4 windows to J0257+7843_X_2006_02_16_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 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000863826 Jy ! Component: 100 - total flux cleaned = -0.000977796 Jy ! Component: 150 - total flux cleaned = -0.00115968 Jy ! Component: 200 - total flux cleaned = -0.0012964 Jy ! Component: 250 - total flux cleaned = -0.00142526 Jy ! Component: 300 - total flux cleaned = -0.00151741 Jy ! Component: 350 - total flux cleaned = -0.00163636 Jy ! Component: 400 - total flux cleaned = -0.00177954 Jy ! Component: 450 - total flux cleaned = -0.0017797 Jy ! Component: 500 - total flux cleaned = -0.00185954 Jy ! Component: 550 - total flux cleaned = -0.0019634 Jy ! Component: 600 - total flux cleaned = -0.00203903 Jy ! Component: 650 - total flux cleaned = -0.00206408 Jy ! Component: 700 - total flux cleaned = -0.00213694 Jy ! Component: 750 - total flux cleaned = -0.00216102 Jy ! Component: 800 - total flux cleaned = -0.00220686 Jy ! Component: 850 - total flux cleaned = -0.00222948 Jy ! Component: 900 - total flux cleaned = -0.0023846 Jy ! Component: 950 - total flux cleaned = -0.00236215 Jy ! Component: 1000 - total flux cleaned = -0.00242652 Jy ! Component: 1050 - total flux cleaned = -0.0025109 Jy ! Component: 1100 - total flux cleaned = -0.00257349 Jy ! Component: 1150 - total flux cleaned = -0.00271654 Jy ! Component: 1200 - total flux cleaned = -0.00273687 Jy ! Component: 1250 - total flux cleaned = -0.00287591 Jy ! Component: 1300 - total flux cleaned = -0.00293463 Jy ! Component: 1350 - total flux cleaned = -0.00305048 Jy ! Component: 1400 - total flux cleaned = -0.00308885 Jy ! Component: 1450 - total flux cleaned = -0.00320167 Jy ! Component: 1500 - total flux cleaned = -0.00322044 Jy ! Component: 1550 - total flux cleaned = -0.00329385 Jy ! Component: 1600 - total flux cleaned = -0.00331207 Jy ! Component: 1650 - total flux cleaned = -0.00343707 Jy ! Component: 1700 - total flux cleaned = -0.0034898 Jy ! Component: 1750 - total flux cleaned = -0.00352448 Jy ! Component: 1800 - total flux cleaned = -0.00359323 Jy ! Component: 1850 - total flux cleaned = -0.0036444 Jy ! Component: 1900 - total flux cleaned = -0.00366108 Jy ! Component: 1950 - total flux cleaned = -0.00371113 Jy ! Component: 2000 - total flux cleaned = -0.00380983 Jy ! Total flux subtracted in 2048 components = -0.0038586 Jy ! Clean residual min=-0.000861 max=0.001006 Jy/beam ! Clean residual mean=-0.000002 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.199032 Jy keep ! Adding 159 model components to the UV plane model. ! The established model now contains 337 components and 0.199032 Jy ![Exited script file: muppet] wmap "J0257+7843_X_2006_02_16_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8236 x 2.886 at 1.872 degrees (North through East) ! Clean map min=-0.0022995 max=0.11287 Jy/beam ! Writing clean map to FITS file: J0257+7843_X_2006_02_16_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.112867 invert ! Inverting map ! Your choice of large map pixels excluded 0.556% of the data. ! The x-axis pixel size should ideally be below 0.1993 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000316945 device "J0257+7843_X_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J0257+7843_X_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.84244 0.84244 1.68488 3.36976 6.73952 13.479 26.9581 53.9162 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.112 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8236 x 2.886 at 1.872 degrees (North through East) ! Clean map min=-0.0022995 max=0.11287 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0257+7843_X_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J0257+7843_X_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0257+7843_X_2006_02_16_yyk_uvs.log closed on Wed Jul 5 11:10:32 2006