! Started logfile: J1459-3655_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:59:00 2007 obs J1459-3655_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J1459-3655_X_2002_01_31_yyk_uva.fits ! AN table 1: 37 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.765766 visibilities/baseline/integration-bin. ! Found source: J1459-3655 ! ! 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 1544 lines of history. ! ! Reading 5100 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 flag NL ! Flagging baselines of antenna 1:NL in the currently selected channels. ![@muppet J1459-3655_X_2002_01_31_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)= 0.212015 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 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.6849 mas, bmaj=1.787 mas, bpa=3.397 degrees ! Estimated noise=2772.04 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 = 0.0929461 Jy ! Component: 100 - total flux cleaned = 0.128157 Jy ! Total flux subtracted in 100 components = 0.128157 Jy ! Clean residual min=-0.017436 max=0.037602 Jy/beam ! Clean residual mean=-0.000908 rms=0.006146 Jy/beam ! Combined flux in latest and established models = 0.128157 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.128157 Jy ! ! Correcting IF 1. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.176507Jy sigma=0.001351 ! Fit after self-cal, rms=0.176365Jy sigma=0.001350 ! Inverting map and beam ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.6849 mas, bmaj=1.787 mas, bpa=3.397 degrees ! Estimated noise=2772.04 mJy/beam. ! Added new window around map position (-3.8, 3.8). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0384374 Jy ! Component: 100 - total flux cleaned = 0.0581703 Jy ! Total flux subtracted in 100 components = 0.0581703 Jy ! Clean residual min=-0.011568 max=0.011411 Jy/beam ! Clean residual mean=-0.000560 rms=0.003550 Jy/beam ! Combined flux in latest and established models = 0.186327 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 37 components and 0.186327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169449Jy sigma=0.001288 ! Fit after self-cal, rms=0.168925Jy sigma=0.001284 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.834 mas, bmaj=2.175 mas, bpa=1.565 degrees ! Estimated noise=1390.31 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 = 0.019514 Jy ! Component: 100 - total flux cleaned = 0.0310619 Jy ! Component: 150 - total flux cleaned = 0.0381258 Jy ! Component: 200 - total flux cleaned = 0.0423308 Jy ! Total flux subtracted in 200 components = 0.0423308 Jy ! Clean residual min=-0.011767 max=0.008966 Jy/beam ! Clean residual mean=-0.000252 rms=0.002820 Jy/beam ! Combined flux in latest and established models = 0.228658 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 56 components and 0.228658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167305Jy sigma=0.001268 ! Fit after self-cal, rms=0.167215Jy sigma=0.001268 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.834 x 2.175 at 1.565 degrees (North through East) ! Clean map min=-0.011288 max=0.11025 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: 1.02105 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 1.00* KP 1.00 ! LA 1.06 MK 0.98 NL 1.00* OV 0.87 ! PT 1.00 SC 0.91 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.167215Jy sigma=0.001268 ! Fit after self-cal, rms=0.166693Jy sigma=0.001267 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=0.166693Jy sigma=0.001267 ! Fit after self-cal, rms=0.166696Jy sigma=0.001267 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8278 mas, bmaj=2.164 mas, bpa=2.133 degrees ! Estimated noise=1383.75 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 = 0.00465929 Jy ! Component: 100 - total flux cleaned = 0.00577775 Jy ! Component: 150 - total flux cleaned = 0.00624477 Jy ! Component: 200 - total flux cleaned = 0.00633686 Jy ! Total flux subtracted in 200 components = 0.00633686 Jy ! Clean residual min=-0.011256 max=0.007376 Jy/beam ! Clean residual mean=-0.000182 rms=0.002507 Jy/beam ! Combined flux in latest and established models = 0.234995 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 62 components and 0.234995 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166586Jy sigma=0.001266 ! Fit after self-cal, rms=0.166569Jy sigma=0.001266 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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=0.166569Jy sigma=0.001266 ! Fit after self-cal, rms=0.165187Jy sigma=0.001255 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 = 0.00191797 Jy ! Component: 100 - total flux cleaned = 0.00247602 Jy ! Component: 150 - total flux cleaned = 0.00274945 Jy ! Component: 200 - total flux cleaned = 0.00275067 Jy ! Total flux subtracted in 200 components = 0.00275067 Jy ! Clean residual min=-0.010438 max=0.007922 Jy/beam ! Clean residual mean=-0.000197 rms=0.002425 Jy/beam ! Combined flux in latest and established models = 0.237745 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 74 components and 0.237745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165088Jy sigma=0.001254 ! Fit after self-cal, rms=0.164996Jy sigma=0.001253 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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: 0.8278 x 2.164 at 2.133 degrees (North through East) ! Clean map min=-0.0097182 max=0.11037 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=0.164996Jy sigma=0.001253 ! Fit after self-cal, rms=0.163496Jy sigma=0.001253 ! 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=0.163496Jy sigma=0.001253 ! Fit after self-cal, rms=0.163516Jy sigma=0.001253 ! Inverting map and beam ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8187 mas, bmaj=2.149 mas, bpa=2.559 degrees ! Estimated noise=1365.06 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000279922 Jy ! Component: 100 - total flux cleaned = -0.000286174 Jy ! Component: 150 - total flux cleaned = -0.000360353 Jy ! Component: 200 - total flux cleaned = -0.000436062 Jy ! Total flux subtracted in 200 components = -0.000436062 Jy ! Clean residual min=-0.009531 max=0.007439 Jy/beam ! Clean residual mean=-0.000175 rms=0.002293 Jy/beam ! Combined flux in latest and established models = 0.237309 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 80 components and 0.237309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163467Jy sigma=0.001253 ! Fit after self-cal, rms=0.163506Jy sigma=0.001253 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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=0.163506Jy sigma=0.001253 ! Fit after self-cal, rms=0.163700Jy sigma=0.001254 ! 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=0.163700Jy sigma=0.001254 ! Fit after self-cal, rms=0.163690Jy sigma=0.001254 ! Inverting map and beam ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7972 mas, bmaj=2.115 mas, bpa=1.709 degrees ! Estimated noise=1364.21 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000842619 Jy ! Component: 100 - total flux cleaned = 0.00122633 Jy ! Component: 150 - total flux cleaned = 0.00148958 Jy ! Component: 200 - total flux cleaned = 0.00157091 Jy ! Total flux subtracted in 200 components = 0.00157091 Jy ! Clean residual min=-0.009191 max=0.007731 Jy/beam ! Clean residual mean=-0.000193 rms=0.002267 Jy/beam ! Combined flux in latest and established models = 0.23888 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 82 components and 0.23888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163632Jy sigma=0.001253 ! Fit after self-cal, rms=0.163570Jy sigma=0.001253 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=2.909 mas, bmaj=9.605 mas, bpa=8.013 degrees ! Estimated noise=1800.44 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 = -0.000341454 Jy ! Component: 100 - total flux cleaned = -0.000350147 Jy ! Component: 150 - total flux cleaned = -0.000506881 Jy ! Component: 200 - total flux cleaned = -0.000528625 Jy ! Total flux subtracted in 200 components = -0.000528625 Jy ! Clean residual min=-0.010592 max=0.008577 Jy/beam ! Clean residual mean=-0.000352 rms=0.003222 Jy/beam ! Combined flux in latest and established models = 0.238352 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 84 components and 0.238352 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163570Jy sigma=0.001253 ! Fit after self-cal, rms=0.163524Jy sigma=0.001253 ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.6769 mas, bmaj=1.771 mas, bpa=3.273 degrees ! Estimated noise=2702.57 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0951838 Jy ! Component: 100 - total flux cleaned = 0.141408 Jy ! Component: 150 - total flux cleaned = 0.169912 Jy ! Component: 200 - total flux cleaned = 0.189748 Jy ! Total flux subtracted in 200 components = 0.189748 Jy ! Clean residual min=-0.010849 max=0.010962 Jy/beam ! Clean residual mean=-0.000589 rms=0.003220 Jy/beam ! Combined flux in latest and established models = 0.189748 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 42 model components to the UV plane model. ! The established model now contains 42 components and 0.189748 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7972 mas, bmaj=2.115 mas, bpa=1.709 degrees ! Estimated noise=1364.21 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 = 0.0198502 Jy ! Component: 100 - total flux cleaned = 0.0318428 Jy ! Component: 150 - total flux cleaned = 0.0394154 Jy ! Component: 200 - total flux cleaned = 0.0430737 Jy ! Total flux subtracted in 200 components = 0.0430737 Jy ! Clean residual min=-0.010507 max=0.008024 Jy/beam ! Clean residual mean=-0.000276 rms=0.002579 Jy/beam ! Combined flux in latest and established models = 0.232822 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 63 components and 0.232822 Jy ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 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 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=2.909 mas, bmaj=9.605 mas, bpa=8.013 degrees ! Estimated noise=1800.44 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 = 0.00278977 Jy ! Component: 100 - total flux cleaned = 0.00304842 Jy ! Component: 150 - total flux cleaned = 0.00327522 Jy ! Component: 200 - total flux cleaned = 0.00351308 Jy ! Total flux subtracted in 200 components = 0.00351308 Jy ! Clean residual min=-0.013424 max=0.009295 Jy/beam ! Clean residual mean=-0.000440 rms=0.003710 Jy/beam ! Combined flux in latest and established models = 0.236335 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 69 components and 0.236335 Jy ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.7972 mas, bmaj=2.115 mas, bpa=1.709 degrees ! Estimated noise=1364.21 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000368067 Jy ! Component: 100 - total flux cleaned = 0.000754266 Jy ! Component: 150 - total flux cleaned = 0.000965183 Jy ! Component: 200 - total flux cleaned = 0.00113665 Jy ! Total flux subtracted in 200 components = 0.00113665 Jy ! Clean residual min=-0.008798 max=0.007937 Jy/beam ! Clean residual mean=-0.000208 rms=0.002293 Jy/beam ! Combined flux in latest and established models = 0.237472 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 77 components and 0.237472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163556Jy sigma=0.001253 ! Fit after self-cal, rms=0.163523Jy sigma=0.001253 wmodel J1459-3655_X_2002_01_31_yyk\_map.mod ! Writing 77 model components to file: J1459-3655_X_2002_01_31_yyk_map.mod wobs J1459-3655_X_2002_01_31_yyk\_uvs.fits ! Applying 37 buffered edits. ! Writing UV FITS file: J1459-3655_X_2002_01_31_yyk_uvs.fits wwins J1459-3655_X_2002_01_31_yyk\_map.win ! wwins: Wrote 2 windows to J1459-3655_X_2002_01_31_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 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00174956 Jy ! Component: 100 - total flux cleaned = -0.00213125 Jy ! Component: 150 - total flux cleaned = -0.00192196 Jy ! Component: 200 - total flux cleaned = -0.00231147 Jy ! Component: 250 - total flux cleaned = -0.00286379 Jy ! Component: 300 - total flux cleaned = -0.0033879 Jy ! Component: 350 - total flux cleaned = -0.00430794 Jy ! Component: 400 - total flux cleaned = -0.00478896 Jy ! Component: 450 - total flux cleaned = -0.00555751 Jy ! Component: 500 - total flux cleaned = -0.00592614 Jy ! Component: 550 - total flux cleaned = -0.00628257 Jy ! Component: 600 - total flux cleaned = -0.00676504 Jy ! Component: 650 - total flux cleaned = -0.00756569 Jy ! Component: 700 - total flux cleaned = -0.00788944 Jy ! Component: 750 - total flux cleaned = -0.00858374 Jy ! Component: 800 - total flux cleaned = -0.0090146 Jy ! Component: 850 - total flux cleaned = -0.00961332 Jy ! Component: 900 - total flux cleaned = -0.010137 Jy ! Component: 950 - total flux cleaned = -0.0105901 Jy ! Component: 1000 - total flux cleaned = -0.0110864 Jy ! Component: 1050 - total flux cleaned = -0.0115693 Jy ! Component: 1100 - total flux cleaned = -0.0120933 Jy ! Component: 1150 - total flux cleaned = -0.0125039 Jy ! Component: 1200 - total flux cleaned = -0.0128054 Jy ! Component: 1250 - total flux cleaned = -0.013102 Jy ! Component: 1300 - total flux cleaned = -0.0133919 Jy ! Component: 1350 - total flux cleaned = -0.0136289 Jy ! Component: 1400 - total flux cleaned = -0.0138624 Jy ! Component: 1450 - total flux cleaned = -0.0140453 Jy ! Component: 1500 - total flux cleaned = -0.0140902 Jy ! Component: 1550 - total flux cleaned = -0.0142684 Jy ! Component: 1600 - total flux cleaned = -0.0143563 Jy ! Component: 1650 - total flux cleaned = -0.0145302 Jy ! Component: 1700 - total flux cleaned = -0.014745 Jy ! Component: 1750 - total flux cleaned = -0.0149988 Jy ! Component: 1800 - total flux cleaned = -0.015124 Jy ! Component: 1850 - total flux cleaned = -0.0153301 Jy ! Component: 1900 - total flux cleaned = -0.0154522 Jy ! Component: 1950 - total flux cleaned = -0.0156533 Jy ! Component: 2000 - total flux cleaned = -0.0158124 Jy ! Total flux subtracted in 2048 components = -0.0158914 Jy ! Clean residual min=-0.002444 max=0.002622 Jy/beam ! Clean residual mean=-0.000024 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 0.22158 Jy keep ! Adding 119 model components to the UV plane model. ! The established model now contains 196 components and 0.22158 Jy ![Exited script file: muppet] wmap "J1459-3655_X_2002_01_31_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7972 x 2.115 at 1.709 degrees (North through East) ! Clean map min=-0.0070408 max=0.1038 Jy/beam ! Writing clean map to FITS file: J1459-3655_X_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.103795 invert ! Inverting map ! Your choice of large map pixels excluded 0.861% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000745939 device "J1459-3655_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J1459-3655_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.156 2.156 4.31199 8.62398 17.248 34.4959 68.9919 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.103 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7972 x 2.115 at 1.709 degrees (North through East) ! Clean map min=-0.0070408 max=0.1038 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1459-3655_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J1459-3655_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1459-3655_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:59:06 2007