! Started logfile: J2158-3013_X_2002_05_14_yyk_uvs.log on Tue Jun 26 23:20:26 2007 obs J2158-3013_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J2158-3013_X_2002_05_14_yyk_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.807654 visibilities/baseline/integration-bin. ! Found source: J2158-3013 ! ! 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 13084 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 J2158-3013_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)= 0.277076 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 0.313% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6583 mas, bmaj=1.784 mas, bpa=-5.581 degrees ! Estimated noise=1412.62 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 = 0.152264 Jy ! Component: 100 - total flux cleaned = 0.184916 Jy ! Total flux subtracted in 100 components = 0.184916 Jy ! Clean residual min=-0.010922 max=0.022481 Jy/beam ! Clean residual mean=-0.000038 rms=0.003262 Jy/beam ! Combined flux in latest and established models = 0.184916 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.184916 Jy ! ! Correcting IF 1. ! A total of 147 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 147 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 147 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 147 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.206497Jy sigma=0.001333 ! Fit after self-cal, rms=0.204020Jy sigma=0.001318 ! Inverting map and beam ! Your choice of large map pixels excluded 0.314% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6583 mas, bmaj=1.783 mas, bpa=-5.582 degrees ! Estimated noise=1414.38 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 0.314% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.828 mas, bmaj=2.185 mas, bpa=-5.025 degrees ! Estimated noise=850.449 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 = 0.0308029 Jy ! Component: 100 - total flux cleaned = 0.0428993 Jy ! Component: 150 - total flux cleaned = 0.0481106 Jy ! Component: 200 - total flux cleaned = 0.0492467 Jy ! Total flux subtracted in 200 components = 0.0492467 Jy ! Clean residual min=-0.006160 max=0.009219 Jy/beam ! Clean residual mean=-0.000035 rms=0.001915 Jy/beam ! Combined flux in latest and established models = 0.234163 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 27 components and 0.234163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202083Jy sigma=0.001294 ! Fit after self-cal, rms=0.202083Jy sigma=0.001294 ! Inverting map ! Your choice of large map pixels excluded 0.314% 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: 0.828 x 2.185 at -5.025 degrees (North through East) ! Clean map min=-0.005731 max=0.17925 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 9 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 9 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 9 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 9 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=0.202083Jy sigma=0.001294 ! Fit after self-cal, rms=0.201886Jy sigma=0.001294 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=0.201886Jy sigma=0.001294 ! Fit after self-cal, rms=0.201869Jy sigma=0.001294 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8301 mas, bmaj=2.186 mas, bpa=-5.015 degrees ! Estimated noise=851.013 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 = 0.000562261 Jy ! Component: 100 - total flux cleaned = 0.000805403 Jy ! Component: 150 - total flux cleaned = 0.00103315 Jy ! Component: 200 - total flux cleaned = 0.00118113 Jy ! Total flux subtracted in 200 components = 0.00118113 Jy ! Clean residual min=-0.006241 max=0.008980 Jy/beam ! Clean residual mean=-0.000031 rms=0.001889 Jy/beam ! Combined flux in latest and established models = 0.235344 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 30 components and 0.235344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201774Jy sigma=0.001293 ! Fit after self-cal, rms=0.201772Jy sigma=0.001293 ! Inverting map ! Your choice of large map pixels excluded 0.3% 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=0.201772Jy sigma=0.001293 ! Fit after self-cal, rms=0.195138Jy sigma=0.001242 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.3% 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) ! Added new window around map position (1, -2.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00998775 Jy ! Component: 100 - total flux cleaned = 0.0113286 Jy ! Component: 150 - total flux cleaned = 0.0118709 Jy ! Component: 200 - total flux cleaned = 0.0123461 Jy ! Total flux subtracted in 200 components = 0.0123461 Jy ! Clean residual min=-0.005352 max=0.007917 Jy/beam ! Clean residual mean=0.000008 rms=0.001495 Jy/beam ! Combined flux in latest and established models = 0.24769 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 50 components and 0.24769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194575Jy sigma=0.001238 ! Fit after self-cal, rms=0.193902Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Added new window around map position (-5.6, 22.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00736677 Jy ! Component: 100 - total flux cleaned = 0.00857677 Jy ! Component: 150 - total flux cleaned = 0.0084372 Jy ! Component: 200 - total flux cleaned = 0.0083188 Jy ! Total flux subtracted in 200 components = 0.0083188 Jy ! Clean residual min=-0.005070 max=0.005082 Jy/beam ! Clean residual mean=0.000023 rms=0.001352 Jy/beam ! Combined flux in latest and established models = 0.256009 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 64 components and 0.256009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193545Jy sigma=0.001231 ! Fit after self-cal, rms=0.193462Jy sigma=0.001231 ! Inverting map ! Your choice of large map pixels excluded 0.3% 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: 0.8301 x 2.186 at -5.015 degrees (North through East) ! Clean map min=-0.004882 max=0.18079 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=0.193462Jy sigma=0.001231 ! Fit after self-cal, rms=0.196032Jy sigma=0.001227 ! 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=0.196032Jy sigma=0.001227 ! Fit after self-cal, rms=0.195981Jy sigma=0.001227 ! Inverting map and beam ! Your choice of large map pixels excluded 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8297 mas, bmaj=2.189 mas, bpa=-4.302 degrees ! Estimated noise=847.693 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000827499 Jy ! Component: 100 - total flux cleaned = 0.000713306 Jy ! Component: 150 - total flux cleaned = 0.000711671 Jy ! Component: 200 - total flux cleaned = 0.000797799 Jy ! Total flux subtracted in 200 components = 0.000797799 Jy ! Clean residual min=-0.004585 max=0.003804 Jy/beam ! Clean residual mean=-0.000016 rms=0.001114 Jy/beam ! Combined flux in latest and established models = 0.256806 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 0.256806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195844Jy sigma=0.001226 ! Fit after self-cal, rms=0.195792Jy sigma=0.001226 ! Inverting map ! Your choice of large map pixels excluded 0.3% 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=0.195792Jy sigma=0.001226 ! Fit after self-cal, rms=0.195015Jy sigma=0.001223 ! 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=0.195015Jy sigma=0.001223 ! Fit after self-cal, rms=0.194964Jy sigma=0.001223 ! Inverting map and beam ! Your choice of large map pixels excluded 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8316 mas, bmaj=2.192 mas, bpa=-4.35 degrees ! Estimated noise=839.044 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000163664 Jy ! Component: 100 - total flux cleaned = 6.88303e-05 Jy ! Component: 150 - total flux cleaned = 0.000214119 Jy ! Component: 200 - total flux cleaned = 0.000347846 Jy ! Total flux subtracted in 200 components = 0.000347846 Jy ! Clean residual min=-0.004336 max=0.003637 Jy/beam ! Clean residual mean=-0.000053 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 0.257154 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 89 components and 0.257154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194843Jy sigma=0.001222 ! Fit after self-cal, rms=0.194803Jy sigma=0.001222 ! Inverting map ! Your choice of large map pixels excluded 0.3% 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 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.316 mas, bmaj=6.509 mas, bpa=0.01804 degrees ! Estimated noise=1095.2 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 = 0.00183577 Jy ! Component: 100 - total flux cleaned = 0.00183705 Jy ! Component: 150 - total flux cleaned = 0.00187705 Jy ! Component: 200 - total flux cleaned = 0.00191404 Jy ! Total flux subtracted in 200 components = 0.00191404 Jy ! Clean residual min=-0.004389 max=0.003787 Jy/beam ! Clean residual mean=-0.000100 rms=0.001244 Jy/beam ! Combined flux in latest and established models = 0.259068 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 106 components and 0.259068 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194788Jy sigma=0.001222 ! Fit after self-cal, rms=0.194765Jy sigma=0.001222 ! Inverting map ! Your choice of large map pixels excluded 0.3% 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 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6593 mas, bmaj=1.782 mas, bpa=-5.077 degrees ! Estimated noise=1409.45 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.159429 Jy ! Component: 100 - total flux cleaned = 0.193678 Jy ! Component: 150 - total flux cleaned = 0.213109 Jy ! Component: 200 - total flux cleaned = 0.226405 Jy ! Total flux subtracted in 200 components = 0.226405 Jy ! Clean residual min=-0.008957 max=0.009034 Jy/beam ! Clean residual mean=-0.000049 rms=0.002110 Jy/beam ! Combined flux in latest and established models = 0.226405 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 35 model components to the UV plane model. ! The established model now contains 35 components and 0.226405 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8316 mas, bmaj=2.192 mas, bpa=-4.35 degrees ! Estimated noise=839.044 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 = 0.0144384 Jy ! Component: 100 - total flux cleaned = 0.0215662 Jy ! Component: 150 - total flux cleaned = 0.0255268 Jy ! Component: 200 - total flux cleaned = 0.026948 Jy ! Total flux subtracted in 200 components = 0.026948 Jy ! Clean residual min=-0.004872 max=0.004621 Jy/beam ! Clean residual mean=-0.000063 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 0.253353 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 69 components and 0.253353 Jy ! Inverting map ! Your choice of large map pixels excluded 0.3% 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 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.316 mas, bmaj=6.509 mas, bpa=0.01804 degrees ! Estimated noise=1095.2 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 = 0.00438611 Jy ! Component: 100 - total flux cleaned = 0.00485391 Jy ! Component: 150 - total flux cleaned = 0.00492002 Jy ! Component: 200 - total flux cleaned = 0.00498191 Jy ! Total flux subtracted in 200 components = 0.00498191 Jy ! Clean residual min=-0.004902 max=0.004186 Jy/beam ! Clean residual mean=-0.000105 rms=0.001297 Jy/beam ! Combined flux in latest and established models = 0.258335 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 79 components and 0.258335 Jy ! Inverting map ! Your choice of large map pixels excluded 0.3% 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 0.3% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8316 mas, bmaj=2.192 mas, bpa=-4.35 degrees ! Estimated noise=839.044 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.0020521 Jy ! Component: 100 - total flux cleaned = -0.00195526 Jy ! Component: 150 - total flux cleaned = -0.00195647 Jy ! Component: 200 - total flux cleaned = -0.00195532 Jy ! Total flux subtracted in 200 components = -0.00195532 Jy ! Clean residual min=-0.004614 max=0.003675 Jy/beam ! Clean residual mean=-0.000056 rms=0.001085 Jy/beam ! Combined flux in latest and established models = 0.25638 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 91 components and 0.25638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194857Jy sigma=0.001223 ! Fit after self-cal, rms=0.194818Jy sigma=0.001223 wmodel J2158-3013_X_2002_05_14_yyk\_map.mod ! Writing 91 model components to file: J2158-3013_X_2002_05_14_yyk_map.mod wobs J2158-3013_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J2158-3013_X_2002_05_14_yyk_uvs.fits wwins J2158-3013_X_2002_05_14_yyk\_map.win ! wwins: Wrote 3 windows to J2158-3013_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 0.3% 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 = -0.00203334 Jy ! Component: 100 - total flux cleaned = -0.00356325 Jy ! Component: 150 - total flux cleaned = -0.00437675 Jy ! Component: 200 - total flux cleaned = -0.00476094 Jy ! Component: 250 - total flux cleaned = -0.00494559 Jy ! Component: 300 - total flux cleaned = -0.00529911 Jy ! Component: 350 - total flux cleaned = -0.00558513 Jy ! Component: 400 - total flux cleaned = -0.00614107 Jy ! Component: 450 - total flux cleaned = -0.0067341 Jy ! Component: 500 - total flux cleaned = -0.00720637 Jy ! Component: 550 - total flux cleaned = -0.00771967 Jy ! Component: 600 - total flux cleaned = -0.0080708 Jy ! Component: 650 - total flux cleaned = -0.00841477 Jy ! Component: 700 - total flux cleaned = -0.00894463 Jy ! Component: 750 - total flux cleaned = -0.0092272 Jy ! Component: 800 - total flux cleaned = -0.00945925 Jy ! Component: 850 - total flux cleaned = -0.00964143 Jy ! Component: 900 - total flux cleaned = -0.00982147 Jy ! Component: 950 - total flux cleaned = -0.00999989 Jy ! Component: 1000 - total flux cleaned = -0.0102195 Jy ! Component: 1050 - total flux cleaned = -0.0105638 Jy ! Component: 1100 - total flux cleaned = -0.0106059 Jy ! Component: 1150 - total flux cleaned = -0.0108572 Jy ! Component: 1200 - total flux cleaned = -0.0108164 Jy ! Component: 1250 - total flux cleaned = -0.0111027 Jy ! Component: 1300 - total flux cleaned = -0.0110209 Jy ! Component: 1350 - total flux cleaned = -0.0111812 Jy ! Component: 1400 - total flux cleaned = -0.0112602 Jy ! Component: 1450 - total flux cleaned = -0.0114165 Jy ! Component: 1500 - total flux cleaned = -0.0114555 Jy ! Component: 1550 - total flux cleaned = -0.0114562 Jy ! Component: 1600 - total flux cleaned = -0.0116458 Jy ! Component: 1650 - total flux cleaned = -0.0116453 Jy ! Component: 1700 - total flux cleaned = -0.0117567 Jy ! Component: 1750 - total flux cleaned = -0.0118305 Jy ! Component: 1800 - total flux cleaned = -0.0117579 Jy ! Component: 1850 - total flux cleaned = -0.0118301 Jy ! Component: 1900 - total flux cleaned = -0.0119018 Jy ! Component: 1950 - total flux cleaned = -0.0120783 Jy ! Component: 2000 - total flux cleaned = -0.012218 Jy ! Total flux subtracted in 2048 components = -0.0120794 Jy ! Clean residual min=-0.002127 max=0.001846 Jy/beam ! Clean residual mean=-0.000015 rms=0.000663 Jy/beam ! Combined flux in latest and established models = 0.2443 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 236 components and 0.2443 Jy ![Exited script file: muppet] wmap "J2158-3013_X_2002_05_14_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.3% 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: 0.8316 x 2.192 at -4.35 degrees (North through East) ! Clean map min=-0.0037123 max=0.18167 Jy/beam ! Writing clean map to FITS file: J2158-3013_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 0.18167 invert ! Inverting map ! Your choice of large map pixels excluded 0.3% 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 0.000664737 device "J2158-3013_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J2158-3013_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.09771 1.09771 2.19542 4.39084 8.78167 17.5633 35.1267 70.2534 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.181 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8316 x 2.192 at -4.35 degrees (North through East) ! Clean map min=-0.0037123 max=0.18167 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2158-3013_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J2158-3013_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2158-3013_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 23:20:34 2007