! Started logfile: J2057-3734_X_2002_05_14_yyk_uvs.log on Tue Jun 26 23:15:03 2007 obs J2057-3734_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J2057-3734_X_2002_05_14_yyk_uva.fits ! AN table 1: 40 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.868889 visibilities/baseline/integration-bin. ! Found source: J2057-3734 ! ! 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 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1076 lines of history. ! ! Reading 6256 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 J2057-3734_X_2002_05_14_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)= 0.348167 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 0.559% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.6319 mas, bmaj=1.838 mas, bpa=-1.712 degrees ! Estimated noise=2528.23 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 = 0.171552 Jy ! Component: 100 - total flux cleaned = 0.218726 Jy ! Total flux subtracted in 100 components = 0.218726 Jy ! Clean residual min=-0.024069 max=0.045198 Jy/beam ! Clean residual mean=-0.000272 rms=0.007120 Jy/beam ! Combined flux in latest and established models = 0.218726 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 0.218726 Jy ! ! Correcting IF 1. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.277316Jy sigma=0.001441 ! Fit after self-cal, rms=0.277128Jy sigma=0.001438 ! Inverting map and beam ! Your choice of large map pixels excluded 0.559% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.6319 mas, bmaj=1.838 mas, bpa=-1.712 degrees ! Estimated noise=2528.23 mJy/beam. ! Added new window around map position (-1, 2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0474928 Jy ! Component: 100 - total flux cleaned = 0.0676644 Jy ! Total flux subtracted in 100 components = 0.0676644 Jy ! Clean residual min=-0.017118 max=0.036635 Jy/beam ! Clean residual mean=-0.000028 rms=0.005618 Jy/beam ! Combined flux in latest and established models = 0.286391 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 0.286391 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269380Jy sigma=0.001366 ! Fit after self-cal, rms=0.268583Jy sigma=0.001357 ! Inverting map ! Your choice of large map pixels excluded 0.559% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.559% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8192 mas, bmaj=2.225 mas, bpa=-3.569 degrees ! Estimated noise=1389.79 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 (0.8, 0). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0455711 Jy ! Component: 100 - total flux cleaned = 0.0652822 Jy ! Component: 150 - total flux cleaned = 0.0708248 Jy ! Component: 200 - total flux cleaned = 0.0729536 Jy ! Total flux subtracted in 200 components = 0.0729536 Jy ! Clean residual min=-0.015540 max=0.014750 Jy/beam ! Clean residual mean=0.000280 rms=0.004096 Jy/beam ! Combined flux in latest and established models = 0.359344 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 52 components and 0.359344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262511Jy sigma=0.001312 ! Fit after self-cal, rms=0.262415Jy sigma=0.001312 ! Inverting map ! Your choice of large map pixels excluded 0.559% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8192 x 2.225 at -3.569 degrees (North through East) ! Clean map min=-0.014081 max=0.1852 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. ! 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 2. ! 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 3. ! 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Fit before self-cal, rms=0.262415Jy sigma=0.001312 ! Fit after self-cal, rms=0.262554Jy sigma=0.001312 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=0.262554Jy sigma=0.001312 ! Fit after self-cal, rms=0.262551Jy sigma=0.001312 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8192 mas, bmaj=2.227 mas, bpa=-3.508 degrees ! Estimated noise=1391.07 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 = 0.00278134 Jy ! Component: 100 - total flux cleaned = 0.00387182 Jy ! Component: 150 - total flux cleaned = 0.0048455 Jy ! Component: 200 - total flux cleaned = 0.00551856 Jy ! Total flux subtracted in 200 components = 0.00551856 Jy ! Clean residual min=-0.014679 max=0.014126 Jy/beam ! Clean residual mean=0.000317 rms=0.004051 Jy/beam ! Combined flux in latest and established models = 0.364863 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 69 components and 0.364863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261437Jy sigma=0.001310 ! Fit after self-cal, rms=0.261433Jy sigma=0.001310 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 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=0.261433Jy sigma=0.001310 ! Fit after self-cal, rms=0.257582Jy sigma=0.001282 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 = 0.00215177 Jy ! Component: 100 - total flux cleaned = 0.002195 Jy ! Component: 150 - total flux cleaned = 0.00203288 Jy ! Component: 200 - total flux cleaned = 0.00189071 Jy ! Total flux subtracted in 200 components = 0.00189071 Jy ! Clean residual min=-0.013859 max=0.013329 Jy/beam ! Clean residual mean=0.000305 rms=0.003890 Jy/beam ! Combined flux in latest and established models = 0.366753 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 83 components and 0.366753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.257179Jy sigma=0.001280 ! Fit after self-cal, rms=0.256921Jy sigma=0.001277 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 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: 0.8192 x 2.227 at -3.508 degrees (North through East) ! Clean map min=-0.013289 max=0.17748 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=0.256921Jy sigma=0.001277 ! Fit after self-cal, rms=0.256921Jy sigma=0.001277 ! 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=0.256921Jy sigma=0.001277 ! Fit after self-cal, rms=0.256906Jy sigma=0.001277 ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8192 mas, bmaj=2.227 mas, bpa=-3.508 degrees ! Estimated noise=1391.07 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -6.99297e-05 Jy ! Component: 100 - total flux cleaned = -6.21032e-05 Jy ! Component: 150 - total flux cleaned = -5.84098e-05 Jy ! Component: 200 - total flux cleaned = -5.69054e-05 Jy ! Total flux subtracted in 200 components = -5.69054e-05 Jy ! Clean residual min=-0.013394 max=0.013375 Jy/beam ! Clean residual mean=0.000298 rms=0.003844 Jy/beam ! Combined flux in latest and established models = 0.366697 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 87 components and 0.366697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256663Jy sigma=0.001276 ! Fit after self-cal, rms=0.256662Jy sigma=0.001276 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 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=0.256662Jy sigma=0.001276 ! Fit after self-cal, rms=0.256662Jy sigma=0.001276 ! 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=0.256662Jy sigma=0.001276 ! Fit after self-cal, rms=0.256586Jy sigma=0.001276 ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8192 mas, bmaj=2.227 mas, bpa=-3.508 degrees ! Estimated noise=1391.07 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -5.90099e-05 Jy ! Component: 100 - total flux cleaned = -0.00018039 Jy ! Component: 150 - total flux cleaned = -0.000293017 Jy ! Component: 200 - total flux cleaned = -0.000400735 Jy ! Total flux subtracted in 200 components = -0.000400735 Jy ! Clean residual min=-0.013117 max=0.013214 Jy/beam ! Clean residual mean=0.000294 rms=0.003820 Jy/beam ! Combined flux in latest and established models = 0.366296 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 89 components and 0.366296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256378Jy sigma=0.001275 ! Fit after self-cal, rms=0.256148Jy sigma=0.001275 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=2.523 mas, bmaj=8.965 mas, bpa=3.288 degrees ! Estimated noise=1820.28 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 = -0.00131092 Jy ! Component: 100 - total flux cleaned = -0.00141143 Jy ! Component: 150 - total flux cleaned = -0.0015983 Jy ! Component: 200 - total flux cleaned = -0.001689 Jy ! Total flux subtracted in 200 components = -0.001689 Jy ! Clean residual min=-0.017132 max=0.018234 Jy/beam ! Clean residual mean=0.000587 rms=0.005922 Jy/beam ! Combined flux in latest and established models = 0.364607 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 97 components and 0.364607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256087Jy sigma=0.001275 ! Fit after self-cal, rms=0.255880Jy sigma=0.001274 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.6319 mas, bmaj=1.838 mas, bpa=-1.712 degrees ! Estimated noise=2529.06 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.18551 Jy ! Component: 100 - total flux cleaned = 0.253079 Jy ! Component: 150 - total flux cleaned = 0.293359 Jy ! Component: 200 - total flux cleaned = 0.319104 Jy ! Total flux subtracted in 200 components = 0.319104 Jy ! Clean residual min=-0.013257 max=0.016802 Jy/beam ! Clean residual mean=0.000085 rms=0.003938 Jy/beam ! Combined flux in latest and established models = 0.319104 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 40 model components to the UV plane model. ! The established model now contains 40 components and 0.319104 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8192 mas, bmaj=2.227 mas, bpa=-3.508 degrees ! Estimated noise=1391.07 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 = 0.0293368 Jy ! Component: 100 - total flux cleaned = 0.0417702 Jy ! Component: 150 - total flux cleaned = 0.0478142 Jy ! Component: 200 - total flux cleaned = 0.0482983 Jy ! Total flux subtracted in 200 components = 0.0482983 Jy ! Clean residual min=-0.014264 max=0.011675 Jy/beam ! Clean residual mean=0.000295 rms=0.003795 Jy/beam ! Combined flux in latest and established models = 0.367402 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 69 components and 0.367402 Jy ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=2.523 mas, bmaj=8.965 mas, bpa=3.288 degrees ! Estimated noise=1820.28 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 = 4.59427e-06 Jy ! Component: 100 - total flux cleaned = -0.00017191 Jy ! Component: 150 - total flux cleaned = -0.000333571 Jy ! Component: 200 - total flux cleaned = -0.00055882 Jy ! Total flux subtracted in 200 components = -0.00055882 Jy ! Clean residual min=-0.017490 max=0.016610 Jy/beam ! Clean residual mean=0.000603 rms=0.005803 Jy/beam ! Combined flux in latest and established models = 0.366843 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 75 components and 0.366843 Jy ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8192 mas, bmaj=2.227 mas, bpa=-3.508 degrees ! Estimated noise=1391.07 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000118247 Jy ! Component: 100 - total flux cleaned = 0.000118469 Jy ! Component: 150 - total flux cleaned = 1.82366e-05 Jy ! Component: 200 - total flux cleaned = 1.44743e-05 Jy ! Total flux subtracted in 200 components = 1.44743e-05 Jy ! Clean residual min=-0.013604 max=0.011836 Jy/beam ! Clean residual mean=0.000287 rms=0.003736 Jy/beam ! Combined flux in latest and established models = 0.366858 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 90 components and 0.366858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255277Jy sigma=0.001273 ! Fit after self-cal, rms=0.255115Jy sigma=0.001272 wmodel J2057-3734_X_2002_05_14_yyk\_map.mod ! Writing 90 model components to file: J2057-3734_X_2002_05_14_yyk_map.mod wobs J2057-3734_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J2057-3734_X_2002_05_14_yyk_uvs.fits wwins J2057-3734_X_2002_05_14_yyk\_map.win ! wwins: Wrote 3 windows to J2057-3734_X_2002_05_14_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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00195503 Jy ! Component: 100 - total flux cleaned = -0.00194284 Jy ! Component: 150 - total flux cleaned = -0.00175193 Jy ! Component: 200 - total flux cleaned = -0.00108413 Jy ! Component: 250 - total flux cleaned = -0.000303047 Jy ! Component: 300 - total flux cleaned = 0.000597538 Jy ! Component: 350 - total flux cleaned = 0.00102323 Jy ! Component: 400 - total flux cleaned = 0.00129684 Jy ! Component: 450 - total flux cleaned = 0.00103442 Jy ! Component: 500 - total flux cleaned = 0.00115994 Jy ! Component: 550 - total flux cleaned = 0.00103371 Jy ! Component: 600 - total flux cleaned = 0.00091951 Jy ! Component: 650 - total flux cleaned = 0.00103443 Jy ! Component: 700 - total flux cleaned = 0.000924522 Jy ! Component: 750 - total flux cleaned = 0.00071335 Jy ! Component: 800 - total flux cleaned = 0.000404378 Jy ! Component: 850 - total flux cleaned = 0.000203335 Jy ! Component: 900 - total flux cleaned = -0.000384689 Jy ! Component: 950 - total flux cleaned = -0.000573057 Jy ! Component: 1000 - total flux cleaned = -0.00103709 Jy ! Component: 1050 - total flux cleaned = -0.0013072 Jy ! Component: 1100 - total flux cleaned = -0.00174656 Jy ! Component: 1150 - total flux cleaned = -0.00225909 Jy ! Component: 1200 - total flux cleaned = -0.00242599 Jy ! Component: 1250 - total flux cleaned = -0.00267115 Jy ! Component: 1300 - total flux cleaned = -0.00298995 Jy ! Component: 1350 - total flux cleaned = -0.00298979 Jy ! Component: 1400 - total flux cleaned = -0.00306464 Jy ! Component: 1450 - total flux cleaned = -0.00298639 Jy ! Component: 1500 - total flux cleaned = -0.0028399 Jy ! Component: 1550 - total flux cleaned = -0.00262571 Jy ! Component: 1600 - total flux cleaned = -0.00234356 Jy ! Component: 1650 - total flux cleaned = -0.00206808 Jy ! Component: 1700 - total flux cleaned = -0.00193291 Jy ! Component: 1750 - total flux cleaned = -0.00166697 Jy ! Component: 1800 - total flux cleaned = -0.00140642 Jy ! Component: 1850 - total flux cleaned = -0.00102546 Jy ! Component: 1900 - total flux cleaned = -0.00114975 Jy ! Component: 1950 - total flux cleaned = -0.000535104 Jy ! Component: 2000 - total flux cleaned = -0.00029557 Jy ! Total flux subtracted in 2048 components = -0.0001771 Jy ! Clean residual min=-0.003661 max=0.003126 Jy/beam ! Clean residual mean=0.000109 rms=0.001239 Jy/beam ! Combined flux in latest and established models = 0.366681 Jy keep ! Adding 152 model components to the UV plane model. ! The established model now contains 242 components and 0.366681 Jy ![Exited script file: muppet] wmap "J2057-3734_X_2002_05_14_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8192 x 2.227 at -3.508 degrees (North through East) ! Clean map min=-0.0084991 max=0.15167 Jy/beam ! Writing clean map to FITS file: J2057-3734_X_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.151669 invert ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0012053 device "J2057-3734_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J2057-3734_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.38406 2.38406 4.76813 9.53625 19.0725 38.145 76.29 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 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: 0.8192 x 2.227 at -3.508 degrees (North through East) ! Clean map min=-0.0084991 max=0.15167 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2057-3734_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J2057-3734_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2057-3734_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 23:15:10 2007