! Started logfile: J2040-1707_X_2005_07_08_yyk_uvs.log on Fri Jan 20 11:00:39 2006 obs J2040-1707_X_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J2040-1707_X_2005_07_08_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.913333 visibilities/baseline/integration-bin. ! Found source: J2040-1707 ! ! 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 1407 lines of history. ! ! Reading 1644 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 J2040-1707_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)= 0.172444 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 0.352% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.6905 mas, bmaj=1.797 mas, bpa=0.6135 degrees ! Estimated noise=1.49643 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 = 0.129882 Jy ! Component: 100 - total flux cleaned = 0.151977 Jy ! Total flux subtracted in 100 components = 0.151977 Jy ! Clean residual min=-0.008439 max=0.011243 Jy/beam ! Clean residual mean=0.000014 rms=0.002359 Jy/beam ! Combined flux in latest and established models = 0.151977 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.151977 Jy ! ! Correcting IF 1. ! A total of 11 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.080500Jy sigma=1.224662 ! Fit after self-cal, rms=0.080338Jy sigma=1.205010 ! Inverting map and beam ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.6901 mas, bmaj=1.797 mas, bpa=0.5889 degrees ! Estimated noise=1.49762 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 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.9031 mas, bmaj=2.297 mas, bpa=-1.959 degrees ! Estimated noise=1.00054 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 = 0.0141987 Jy ! Component: 100 - total flux cleaned = 0.018846 Jy ! Component: 150 - total flux cleaned = 0.0203898 Jy ! Component: 200 - total flux cleaned = 0.0207029 Jy ! Total flux subtracted in 200 components = 0.0207029 Jy ! Clean residual min=-0.006801 max=0.009820 Jy/beam ! Clean residual mean=-0.000008 rms=0.001819 Jy/beam ! Combined flux in latest and established models = 0.172679 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 22 components and 0.172679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079718Jy sigma=1.167046 ! Fit after self-cal, rms=0.079631Jy sigma=1.166513 ! Inverting map ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Added new window around map position (1.8, -1.6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106484 Jy ! Component: 100 - total flux cleaned = 0.0146257 Jy ! Component: 150 - total flux cleaned = 0.0152704 Jy ! Component: 200 - total flux cleaned = 0.0154973 Jy ! Total flux subtracted in 200 components = 0.0154973 Jy ! Clean residual min=-0.005794 max=0.005005 Jy/beam ! Clean residual mean=0.000005 rms=0.001432 Jy/beam ! Combined flux in latest and established models = 0.188177 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 45 components and 0.188177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078713Jy sigma=1.143697 ! Fit after self-cal, rms=0.078517Jy sigma=1.141860 ! Inverting map ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9031 x 2.297 at -1.959 degrees (North through East) ! Clean map min=-0.0053327 max=0.15624 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: 1.02853 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.01 KP 1.00 ! LA 1.01 MK 0.94 NL 0.99 OV 1.00 ! PT 0.92 SC 0.90 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.01565 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.00 KP 0.93 ! LA 0.95 MK 0.95 NL 1.03 OV 1.01 ! PT 1.05 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. ! A total of 3 telescope corrections were flagged in sub-array 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* ! ! ! Fit before self-cal, rms=0.078517Jy sigma=1.141860 ! Fit after self-cal, rms=0.077236Jy sigma=1.135777 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=0.077236Jy sigma=1.135777 ! Fit after self-cal, rms=0.077215Jy sigma=1.135674 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.885 mas, bmaj=2.251 mas, bpa=-1.494 degrees ! Estimated noise=1.00051 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 = 0.00273175 Jy ! Component: 100 - total flux cleaned = 0.00387219 Jy ! Component: 150 - total flux cleaned = 0.00397191 Jy ! Component: 200 - total flux cleaned = 0.00401854 Jy ! Total flux subtracted in 200 components = 0.00401854 Jy ! Clean residual min=-0.005520 max=0.004854 Jy/beam ! Clean residual mean=0.000010 rms=0.001346 Jy/beam ! Combined flux in latest and established models = 0.192195 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 62 components and 0.192195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077116Jy sigma=1.133664 ! Fit after self-cal, rms=0.077085Jy sigma=1.133494 ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 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=0.077085Jy sigma=1.133494 ! Fit after self-cal, rms=0.070342Jy sigma=1.042890 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 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 = 0.000994601 Jy ! Component: 100 - total flux cleaned = 0.000826494 Jy ! Component: 150 - total flux cleaned = 0.000676637 Jy ! Component: 200 - total flux cleaned = 0.000721452 Jy ! Total flux subtracted in 200 components = 0.000721452 Jy ! Clean residual min=-0.005487 max=0.004491 Jy/beam ! Clean residual mean=0.000009 rms=0.001264 Jy/beam ! Combined flux in latest and established models = 0.192917 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 80 components and 0.192917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070281Jy sigma=1.041154 ! Fit after self-cal, rms=0.070044Jy sigma=1.035765 ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 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: 0.885 x 2.251 at -1.494 degrees (North through East) ! Clean map min=-0.0052002 max=0.15737 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=0.070044Jy sigma=1.035765 ! Fit after self-cal, rms=0.068679Jy sigma=1.020318 ! 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=0.068679Jy sigma=1.020318 ! Fit after self-cal, rms=0.068674Jy sigma=1.019450 ! Inverting map and beam ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8754 mas, bmaj=2.229 mas, bpa=-1.294 degrees ! Estimated noise=0.977562 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00244545 Jy ! Component: 100 - total flux cleaned = -0.00234425 Jy ! Component: 150 - total flux cleaned = -0.00229783 Jy ! Component: 200 - total flux cleaned = -0.00225769 Jy ! Total flux subtracted in 200 components = -0.00225769 Jy ! Clean residual min=-0.004381 max=0.004208 Jy/beam ! Clean residual mean=0.000005 rms=0.001085 Jy/beam ! Combined flux in latest and established models = 0.190659 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 93 components and 0.190659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068522Jy sigma=1.017357 ! Fit after self-cal, rms=0.068515Jy sigma=1.017110 ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 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=0.068515Jy sigma=1.017110 ! Fit after self-cal, rms=0.067259Jy sigma=0.995813 ! 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=0.067259Jy sigma=0.995813 ! Fit after self-cal, rms=0.067311Jy sigma=0.995662 ! Inverting map and beam ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8738 mas, bmaj=2.225 mas, bpa=-1.025 degrees ! Estimated noise=0.965084 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00148278 Jy ! Component: 100 - total flux cleaned = -0.00154093 Jy ! Component: 150 - total flux cleaned = -0.00153973 Jy ! Component: 200 - total flux cleaned = -0.00153949 Jy ! Total flux subtracted in 200 components = -0.00153949 Jy ! Clean residual min=-0.004135 max=0.004013 Jy/beam ! Clean residual mean=0.000003 rms=0.000980 Jy/beam ! Combined flux in latest and established models = 0.18912 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 105 components and 0.18912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067208Jy sigma=0.993892 ! Fit after self-cal, rms=0.067209Jy sigma=0.993790 ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 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 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=2.372 mas, bmaj=5.039 mas, bpa=7.652 degrees ! Estimated noise=1.21732 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 = 0.000376553 Jy ! Component: 100 - total flux cleaned = 0.00040032 Jy ! Component: 150 - total flux cleaned = 0.000420274 Jy ! Component: 200 - total flux cleaned = 0.000438783 Jy ! Total flux subtracted in 200 components = 0.000438783 Jy ! Clean residual min=-0.004817 max=0.004562 Jy/beam ! Clean residual mean=0.000007 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 0.189558 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 115 components and 0.189558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067217Jy sigma=0.993619 ! Fit after self-cal, rms=0.067203Jy sigma=0.993573 ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 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 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.6845 mas, bmaj=1.782 mas, bpa=0.9396 degrees ! Estimated noise=1.41637 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.128428 Jy ! Component: 100 - total flux cleaned = 0.150309 Jy ! Component: 150 - total flux cleaned = 0.161527 Jy ! Component: 200 - total flux cleaned = 0.169396 Jy ! Total flux subtracted in 200 components = 0.169396 Jy ! Clean residual min=-0.005578 max=0.005958 Jy/beam ! Clean residual mean=0.000019 rms=0.001551 Jy/beam ! Combined flux in latest and established models = 0.169396 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.169396 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8738 mas, bmaj=2.225 mas, bpa=-1.025 degrees ! Estimated noise=0.965084 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 = 0.00865505 Jy ! Component: 100 - total flux cleaned = 0.0135494 Jy ! Component: 150 - total flux cleaned = 0.0166922 Jy ! Component: 200 - total flux cleaned = 0.018245 Jy ! Total flux subtracted in 200 components = 0.018245 Jy ! Clean residual min=-0.004058 max=0.004002 Jy/beam ! Clean residual mean=0.000002 rms=0.001008 Jy/beam ! Combined flux in latest and established models = 0.187641 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 54 components and 0.187641 Jy ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 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 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=2.372 mas, bmaj=5.039 mas, bpa=7.652 degrees ! Estimated noise=1.21732 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 = 0.00155934 Jy ! Component: 100 - total flux cleaned = 0.00190172 Jy ! Component: 150 - total flux cleaned = 0.00211098 Jy ! Component: 200 - total flux cleaned = 0.00222021 Jy ! Total flux subtracted in 200 components = 0.00222021 Jy ! Clean residual min=-0.004774 max=0.004566 Jy/beam ! Clean residual mean=0.000008 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.189861 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 66 components and 0.189861 Jy ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8738 mas, bmaj=2.225 mas, bpa=-1.025 degrees ! Estimated noise=0.965084 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00044169 Jy ! Component: 100 - total flux cleaned = -0.000443974 Jy ! Component: 150 - total flux cleaned = -0.000400122 Jy ! Component: 200 - total flux cleaned = -0.000443102 Jy ! Total flux subtracted in 200 components = -0.000443102 Jy ! Clean residual min=-0.004064 max=0.003903 Jy/beam ! Clean residual mean=0.000004 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 0.189418 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 80 components and 0.189418 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067182Jy sigma=0.994107 ! Fit after self-cal, rms=0.067173Jy sigma=0.993935 wmodel J2040-1707_X_2005_07_08_yyk\_map.mod ! Writing 80 model components to file: J2040-1707_X_2005_07_08_yyk_map.mod wobs J2040-1707_X_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J2040-1707_X_2005_07_08_yyk_uvs.fits wwins J2040-1707_X_2005_07_08_yyk\_map.win ! wwins: Wrote 2 windows to J2040-1707_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 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000837358 Jy ! Component: 100 - total flux cleaned = -0.000963682 Jy ! Component: 150 - total flux cleaned = -0.00120249 Jy ! Component: 200 - total flux cleaned = -0.00120115 Jy ! Component: 250 - total flux cleaned = -0.00119967 Jy ! Component: 300 - total flux cleaned = -0.00125249 Jy ! Component: 350 - total flux cleaned = -0.00150447 Jy ! Component: 400 - total flux cleaned = -0.00169873 Jy ! Component: 450 - total flux cleaned = -0.00188752 Jy ! Component: 500 - total flux cleaned = -0.00202409 Jy ! Component: 550 - total flux cleaned = -0.00220111 Jy ! Component: 600 - total flux cleaned = -0.00224479 Jy ! Component: 650 - total flux cleaned = -0.00232967 Jy ! Component: 700 - total flux cleaned = -0.00241242 Jy ! Component: 750 - total flux cleaned = -0.00237212 Jy ! Component: 800 - total flux cleaned = -0.00237264 Jy ! Component: 850 - total flux cleaned = -0.00241216 Jy ! Component: 900 - total flux cleaned = -0.0024893 Jy ! Component: 950 - total flux cleaned = -0.00248971 Jy ! Component: 1000 - total flux cleaned = -0.0026004 Jy ! Component: 1050 - total flux cleaned = -0.00270875 Jy ! Component: 1100 - total flux cleaned = -0.00274415 Jy ! Component: 1150 - total flux cleaned = -0.00288416 Jy ! Component: 1200 - total flux cleaned = -0.00284995 Jy ! Component: 1250 - total flux cleaned = -0.00288435 Jy ! Component: 1300 - total flux cleaned = -0.00291781 Jy ! Component: 1350 - total flux cleaned = -0.00285228 Jy ! Component: 1400 - total flux cleaned = -0.00298231 Jy ! Component: 1450 - total flux cleaned = -0.00295047 Jy ! Component: 1500 - total flux cleaned = -0.00295058 Jy ! Component: 1550 - total flux cleaned = -0.00304363 Jy ! Component: 1600 - total flux cleaned = -0.00298195 Jy ! Component: 1650 - total flux cleaned = -0.00307237 Jy ! Component: 1700 - total flux cleaned = -0.00292305 Jy ! Component: 1750 - total flux cleaned = -0.00304184 Jy ! Component: 1800 - total flux cleaned = -0.00310011 Jy ! Component: 1850 - total flux cleaned = -0.00304176 Jy ! Component: 1900 - total flux cleaned = -0.00301297 Jy ! Component: 1950 - total flux cleaned = -0.0031257 Jy ! Component: 2000 - total flux cleaned = -0.00312518 Jy ! Total flux subtracted in 2048 components = -0.0031528 Jy ! Clean residual min=-0.001374 max=0.001479 Jy/beam ! Clean residual mean=0.000003 rms=0.000525 Jy/beam ! Combined flux in latest and established models = 0.186266 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 225 components and 0.186266 Jy ![Exited script file: muppet] wmap "J2040-1707_X_2005_07_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8738 x 2.225 at -1.025 degrees (North through East) ! Clean map min=-0.002905 max=0.1518 Jy/beam ! Writing clean map to FITS file: J2040-1707_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 0.151802 invert ! Inverting map ! Your choice of large map pixels excluded 0.355% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00053242 device "J2040-1707_X_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J2040-1707_X_2005_07_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.0522 1.0522 2.1044 4.20881 8.41761 16.8352 33.6705 67.3409 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.151 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8738 x 2.225 at -1.025 degrees (North through East) ! Clean map min=-0.002905 max=0.1518 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2040-1707_X_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J2040-1707_X_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2040-1707_X_2005_07_08_yyk_uvs.log closed on Fri Jan 20 11:00:44 2006