! Started logfile: J2151-2742_X_2006_12_18_yyk_uvs.log on Mon Jun 16 20:04:26 2008 obs J2151-2742_X_2006_12_18_yyk_uve.fits ! Reading UV FITS file: J2151-2742_X_2006_12_18_yyk_uve.fits ! AN table 1: 15 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.777778 visibilities/baseline/integration-bin. ! Found source: J2151-2742 ! ! 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 2161 lines of history. ! ! Reading 2100 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 J2151-2742_X_2006_12_18_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)= 0.382104 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 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.5984 mas, bmaj=1.767 mas, bpa=-3.124 degrees ! Estimated noise=1.54771 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 = 0.294201 Jy ! Component: 100 - total flux cleaned = 0.35044 Jy ! Total flux subtracted in 100 components = 0.35044 Jy ! Clean residual min=-0.012805 max=0.019929 Jy/beam ! Clean residual mean=-0.000021 rms=0.003829 Jy/beam ! Combined flux in latest and established models = 0.35044 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 0.35044 Jy ! ! Correcting IF 1. ! A total of 17 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 17 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 17 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 17 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.152331Jy sigma=1.919189 ! Fit after self-cal, rms=0.152027Jy sigma=1.916785 ! Inverting map and beam ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.5984 mas, bmaj=1.767 mas, bpa=-3.124 degrees ! Estimated noise=1.54771 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 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7778 mas, bmaj=2.076 mas, bpa=-1.931 degrees ! Estimated noise=1.0282 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 = 0.0312273 Jy ! Component: 100 - total flux cleaned = 0.0416637 Jy ! Component: 150 - total flux cleaned = 0.0455962 Jy ! Component: 200 - total flux cleaned = 0.0464536 Jy ! Total flux subtracted in 200 components = 0.0464536 Jy ! Clean residual min=-0.010953 max=0.014000 Jy/beam ! Clean residual mean=0.000008 rms=0.003038 Jy/beam ! Combined flux in latest and established models = 0.396894 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.396894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149935Jy sigma=1.843774 ! Fit after self-cal, rms=0.149897Jy sigma=1.843694 ! Inverting map ! Your choice of large map pixels excluded 0.337% 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 ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7778 x 2.076 at -1.931 degrees (North through East) ! Clean map min=-0.010383 max=0.35527 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 0.982366 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00* HN 1.22 KP 1.01 ! LA 0.98 MK 1.00 NL 1.02 OV 0.92 ! PT 1.01 SC 1.00 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.995135 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00* HN 1.21 KP 0.95 ! LA 0.95 MK 0.95 NL 0.98 OV 0.94 ! PT 1.10 SC 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.998169 ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00* HN 1.14 KP 0.87 ! LA 0.97 MK 1.00 NL 0.96 OV 0.99 ! PT 1.08 SC 0.97 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.97927 ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00* HN 1.14 KP 0.90 ! LA 0.93 MK 1.05 NL 1.01 OV 0.97 ! PT 1.16 SC 0.98 ! ! ! Fit before self-cal, rms=0.149897Jy sigma=1.843694 ! Fit after self-cal, rms=0.146658Jy sigma=1.777314 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=0.146658Jy sigma=1.777314 ! Fit after self-cal, rms=0.146676Jy sigma=1.777289 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7823 mas, bmaj=2.065 mas, bpa=-1.456 degrees ! Estimated noise=1.00147 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 = -0.00710674 Jy ! Component: 100 - total flux cleaned = -0.00735562 Jy ! Component: 150 - total flux cleaned = -0.00754315 Jy ! Component: 200 - total flux cleaned = -0.00777704 Jy ! Total flux subtracted in 200 components = -0.00777704 Jy ! Clean residual min=-0.005725 max=0.007608 Jy/beam ! Clean residual mean=-0.000014 rms=0.001568 Jy/beam ! Combined flux in latest and established models = 0.389117 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 0.389117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146138Jy sigma=1.771516 ! Fit after self-cal, rms=0.146117Jy sigma=1.771503 ! Inverting map ! Your choice of large map pixels excluded 0.337% 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=0.146117Jy sigma=1.771503 ! Fit after self-cal, rms=0.087845Jy sigma=1.034985 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.337% 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) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00916866 Jy ! Component: 100 - total flux cleaned = 0.00825842 Jy ! Component: 150 - total flux cleaned = 0.00770873 Jy ! Component: 200 - total flux cleaned = 0.00717188 Jy ! Total flux subtracted in 200 components = 0.00717188 Jy ! Clean residual min=-0.004595 max=0.005491 Jy/beam ! Clean residual mean=-0.000005 rms=0.001333 Jy/beam ! Combined flux in latest and established models = 0.396288 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 31 components and 0.396288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086371Jy sigma=1.011473 ! Fit after self-cal, rms=0.082925Jy sigma=0.978387 ! Inverting map ! Your choice of large map pixels excluded 0.337% 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: 0.7823 x 2.065 at -1.456 degrees (North through East) ! Clean map min=-0.0042238 max=0.36211 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=0.082925Jy sigma=0.978387 ! Fit after self-cal, rms=0.080863Jy sigma=0.963418 ! 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=0.080863Jy sigma=0.963418 ! Fit after self-cal, rms=0.080425Jy sigma=0.960607 ! Inverting map and beam ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7726 mas, bmaj=2.046 mas, bpa=-1.521 degrees ! Estimated noise=0.995968 mJy/beam. ! Added new window around map position (-1.6, -1.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00558684 Jy ! Component: 100 - total flux cleaned = 0.00609404 Jy ! Component: 150 - total flux cleaned = 0.00608935 Jy ! Component: 200 - total flux cleaned = 0.00603155 Jy ! Total flux subtracted in 200 components = 0.00603155 Jy ! Clean residual min=-0.004346 max=0.004749 Jy/beam ! Clean residual mean=-0.000004 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 0.40232 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 45 components and 0.40232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080153Jy sigma=0.954997 ! Fit after self-cal, rms=0.080005Jy sigma=0.954253 ! Inverting map ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Added new window around map position (-7.6, -11.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00576593 Jy ! Component: 100 - total flux cleaned = 0.0085453 Jy ! Component: 150 - total flux cleaned = 0.010286 Jy ! Component: 200 - total flux cleaned = 0.0110174 Jy ! Total flux subtracted in 200 components = 0.0110174 Jy ! Clean residual min=-0.003605 max=0.002877 Jy/beam ! Clean residual mean=0.000002 rms=0.000850 Jy/beam ! Combined flux in latest and established models = 0.413337 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 79 components and 0.413337 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079673Jy sigma=0.947973 ! Fit after self-cal, rms=0.079570Jy sigma=0.947381 ! Inverting map ! Your choice of large map pixels excluded 0.337% 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=0.079570Jy sigma=0.947381 ! Fit after self-cal, rms=0.077918Jy sigma=0.919602 ! 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=0.077918Jy sigma=0.919602 ! Fit after self-cal, rms=0.077856Jy sigma=0.919465 ! Inverting map and beam ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7704 mas, bmaj=2.041 mas, bpa=-1.621 degrees ! Estimated noise=0.995581 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00219114 Jy ! Component: 100 - total flux cleaned = 0.00365356 Jy ! Component: 150 - total flux cleaned = 0.00420073 Jy ! Component: 200 - total flux cleaned = 0.00468729 Jy ! Total flux subtracted in 200 components = 0.00468729 Jy ! Clean residual min=-0.003404 max=0.002874 Jy/beam ! Clean residual mean=0.000007 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 0.418025 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 91 components and 0.418025 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077785Jy sigma=0.918159 ! Fit after self-cal, rms=0.077750Jy sigma=0.918002 ! Inverting map ! Your choice of large map pixels excluded 0.337% 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 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.14 mas, bmaj=5.9 mas, bpa=1.308 degrees ! Estimated noise=1.35453 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 = 0.00193248 Jy ! Component: 100 - total flux cleaned = 0.0028832 Jy ! Component: 150 - total flux cleaned = 0.0029908 Jy ! Component: 200 - total flux cleaned = 0.00305796 Jy ! Total flux subtracted in 200 components = 0.00305796 Jy ! Clean residual min=-0.003197 max=0.003634 Jy/beam ! Clean residual mean=0.000022 rms=0.000983 Jy/beam ! Combined flux in latest and established models = 0.421083 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 102 components and 0.421083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077726Jy sigma=0.917907 ! Fit after self-cal, rms=0.077693Jy sigma=0.917765 ! Inverting map ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 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 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.5952 mas, bmaj=1.75 mas, bpa=-2.857 degrees ! Estimated noise=1.50691 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.302726 Jy ! Component: 100 - total flux cleaned = 0.359937 Jy ! Component: 150 - total flux cleaned = 0.381163 Jy ! Component: 200 - total flux cleaned = 0.391312 Jy ! Total flux subtracted in 200 components = 0.391312 Jy ! Clean residual min=-0.005391 max=0.006538 Jy/beam ! Clean residual mean=-0.000011 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 0.391312 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.391312 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7704 mas, bmaj=2.041 mas, bpa=-1.621 degrees ! Estimated noise=0.995581 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 = 0.00834523 Jy ! Component: 100 - total flux cleaned = 0.0138405 Jy ! Component: 150 - total flux cleaned = 0.0177853 Jy ! Component: 200 - total flux cleaned = 0.020784 Jy ! Total flux subtracted in 200 components = 0.020784 Jy ! Clean residual min=-0.003901 max=0.003245 Jy/beam ! Clean residual mean=-0.000005 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.412096 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 47 components and 0.412096 Jy ! Inverting map ! Your choice of large map pixels excluded 0.337% 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 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.14 mas, bmaj=5.9 mas, bpa=1.308 degrees ! Estimated noise=1.35453 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 = 0.00369845 Jy ! Component: 100 - total flux cleaned = 0.00601046 Jy ! Component: 150 - total flux cleaned = 0.00750325 Jy ! Component: 200 - total flux cleaned = 0.00806539 Jy ! Total flux subtracted in 200 components = 0.00806538 Jy ! Clean residual min=-0.003892 max=0.003681 Jy/beam ! Clean residual mean=0.000013 rms=0.001004 Jy/beam ! Combined flux in latest and established models = 0.420162 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 61 components and 0.420162 Jy ! Inverting map ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.337% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7704 mas, bmaj=2.041 mas, bpa=-1.621 degrees ! Estimated noise=0.995581 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000103499 Jy ! Component: 100 - total flux cleaned = 0.000138448 Jy ! Component: 150 - total flux cleaned = 0.000293762 Jy ! Component: 200 - total flux cleaned = 0.000385258 Jy ! Total flux subtracted in 200 components = 0.000385258 Jy ! Clean residual min=-0.003477 max=0.003184 Jy/beam ! Clean residual mean=0.000009 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.420547 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 80 components and 0.420547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077660Jy sigma=0.917697 ! Fit after self-cal, rms=0.077639Jy sigma=0.917559 wmodel J2151-2742_X_2006_12_18_yyk\_map.mod ! Writing 80 model components to file: J2151-2742_X_2006_12_18_yyk_map.mod wobs J2151-2742_X_2006_12_18_yyk\_uvs.fits ! Writing UV FITS file: J2151-2742_X_2006_12_18_yyk_uvs.fits wwins J2151-2742_X_2006_12_18_yyk\_map.win ! wwins: Wrote 3 windows to J2151-2742_X_2006_12_18_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 0.337% 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 = -0.000943789 Jy ! Component: 100 - total flux cleaned = -0.00170142 Jy ! Component: 150 - total flux cleaned = -0.00219009 Jy ! Component: 200 - total flux cleaned = -0.00237447 Jy ! Component: 250 - total flux cleaned = -0.00233014 Jy ! Component: 300 - total flux cleaned = -0.0023704 Jy ! Component: 350 - total flux cleaned = -0.00244991 Jy ! Component: 400 - total flux cleaned = -0.00256592 Jy ! Component: 450 - total flux cleaned = -0.00256553 Jy ! Component: 500 - total flux cleaned = -0.00256538 Jy ! Component: 550 - total flux cleaned = -0.00245805 Jy ! Component: 600 - total flux cleaned = -0.00235409 Jy ! Component: 650 - total flux cleaned = -0.00238792 Jy ! Component: 700 - total flux cleaned = -0.00232174 Jy ! Component: 750 - total flux cleaned = -0.0023538 Jy ! Component: 800 - total flux cleaned = -0.0022263 Jy ! Component: 850 - total flux cleaned = -0.00216412 Jy ! Component: 900 - total flux cleaned = -0.00213428 Jy ! Component: 950 - total flux cleaned = -0.0021046 Jy ! Component: 1000 - total flux cleaned = -0.0019866 Jy ! Component: 1050 - total flux cleaned = -0.00192873 Jy ! Component: 1100 - total flux cleaned = -0.00192933 Jy ! Component: 1150 - total flux cleaned = -0.00187322 Jy ! Component: 1200 - total flux cleaned = -0.0018735 Jy ! Component: 1250 - total flux cleaned = -0.00190067 Jy ! Component: 1300 - total flux cleaned = -0.0018197 Jy ! Component: 1350 - total flux cleaned = -0.00181993 Jy ! Component: 1400 - total flux cleaned = -0.00176751 Jy ! Component: 1450 - total flux cleaned = -0.00179302 Jy ! Component: 1500 - total flux cleaned = -0.00179281 Jy ! Component: 1550 - total flux cleaned = -0.00176785 Jy ! Component: 1600 - total flux cleaned = -0.00184282 Jy ! Component: 1650 - total flux cleaned = -0.0018426 Jy ! Component: 1700 - total flux cleaned = -0.00189151 Jy ! Component: 1750 - total flux cleaned = -0.00186758 Jy ! Component: 1800 - total flux cleaned = -0.00196333 Jy ! Component: 1850 - total flux cleaned = -0.00196302 Jy ! Component: 1900 - total flux cleaned = -0.00193975 Jy ! Component: 1950 - total flux cleaned = -0.00196303 Jy ! Component: 2000 - total flux cleaned = -0.00193993 Jy ! Total flux subtracted in 2048 components = -0.00196262 Jy ! Clean residual min=-0.001401 max=0.001604 Jy/beam ! Clean residual mean=0.000015 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.418584 Jy keep ! Adding 128 model components to the UV plane model. ! The established model now contains 208 components and 0.418584 Jy ![Exited script file: muppet] wmap "J2151-2742_X_2006_12_18_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.337% 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: 0.7704 x 2.041 at -1.621 degrees (North through East) ! Clean map min=-0.0026259 max=0.36007 Jy/beam ! Writing clean map to FITS file: J2151-2742_X_2006_12_18_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.360074 invert ! Inverting map ! Your choice of large map pixels excluded 0.337% 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 0.000414496 device "J2151-2742_X_2006_12_18_yyk\_map.eps/VPS" ! Attempting to open device: 'J2151-2742_X_2006_12_18_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.345342 0.345342 0.690685 1.38137 2.76274 5.52548 11.051 22.1019 44.2038 88.4076 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.36 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7704 x 2.041 at -1.621 degrees (North through East) ! Clean map min=-0.0026259 max=0.36007 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2151-2742_X_2006_12_18_yyk\_map.gif/gif" ! Attempting to open device: 'J2151-2742_X_2006_12_18_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2151-2742_X_2006_12_18_yyk_uvs.log closed on Mon Jun 16 20:04:33 2008