! Started logfile: J0806-2911_X_2004_05_08_yyk_uvs.log on Wed Dec 7 00:09:41 2005 obs J0806-2911_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J0806-2911_X_2004_05_08_yyk_uve.fits ! AN table 1: 20 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.68 visibilities/baseline/integration-bin. ! Found source: J0806-2911 ! ! 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 1434 lines of history. ! ! Reading 2448 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 J0806-2911_X_2004_05_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)= 0.163789 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.884735Jy sigma=13.958185 ! Fit after self-cal, rms=0.873958Jy sigma=13.792235 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6119 mas, bmaj=1.631 mas, bpa=2.021 degrees ! Estimated noise=1.68084 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 = 0.106996 Jy ! Component: 100 - total flux cleaned = 0.129712 Jy ! Total flux subtracted in 100 components = 0.129712 Jy ! Clean residual min=-0.012247 max=0.029550 Jy/beam ! Clean residual mean=0.000032 rms=0.003665 Jy/beam ! Combined flux in latest and established models = 0.129712 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.129712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096211Jy sigma=1.302135 ! Fit after self-cal, rms=0.096100Jy sigma=1.300256 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Added new window around map position (-2.8, 5). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0284876 Jy ! Component: 100 - total flux cleaned = 0.0396655 Jy ! Total flux subtracted in 100 components = 0.0396655 Jy ! Clean residual min=-0.009497 max=0.011198 Jy/beam ! Clean residual mean=0.000010 rms=0.002425 Jy/beam ! Combined flux in latest and established models = 0.169378 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 0.169378 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090047Jy sigma=1.164279 ! Fit after self-cal, rms=0.089603Jy sigma=1.156614 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7701 mas, bmaj=2.027 mas, bpa=4.315 degrees ! Estimated noise=0.946957 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 = 0.0152334 Jy ! Component: 100 - total flux cleaned = 0.0237046 Jy ! Component: 150 - total flux cleaned = 0.0288632 Jy ! Component: 200 - total flux cleaned = 0.0322786 Jy ! Total flux subtracted in 200 components = 0.0322786 Jy ! Clean residual min=-0.005792 max=0.006473 Jy/beam ! Clean residual mean=0.000003 rms=0.001643 Jy/beam ! Combined flux in latest and established models = 0.201656 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 45 components and 0.201656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088378Jy sigma=1.117732 ! Fit after self-cal, rms=0.088230Jy sigma=1.115640 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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 ! 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 2. ! Amplitude normalization factor in sub-array 1: 1.01786 ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.16 KP 0.92 ! LA 0.92 MK 0.94 NL 0.99 OV 0.96 ! PT 1.00* SC 0.94 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.989036 ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 1.17 KP 0.88 ! LA 0.99 MK 0.94 NL 1.02 OV 0.96 ! PT 1.00* SC 1.04 ! ! ! 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=0.088230Jy sigma=1.115640 ! Fit after self-cal, rms=0.088861Jy sigma=1.104416 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=0.088861Jy sigma=1.104416 ! Fit after self-cal, rms=0.088788Jy sigma=1.103093 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7686 mas, bmaj=2.021 mas, bpa=3.863 degrees ! Estimated noise=0.923564 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 = 0.000965856 Jy ! Component: 100 - total flux cleaned = 0.00159344 Jy ! Component: 150 - total flux cleaned = 0.00204604 Jy ! Component: 200 - total flux cleaned = 0.00240888 Jy ! Total flux subtracted in 200 components = 0.00240888 Jy ! Clean residual min=-0.004221 max=0.004329 Jy/beam ! Clean residual mean=-0.000000 rms=0.001133 Jy/beam ! Combined flux in latest and established models = 0.204065 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 56 components and 0.204065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088645Jy sigma=1.101220 ! Fit after self-cal, rms=0.088558Jy sigma=1.099920 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.088558Jy sigma=1.099920 ! Fit after self-cal, rms=0.081954Jy sigma=0.988891 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 = 0.00302646 Jy ! Component: 100 - total flux cleaned = 0.00450308 Jy ! Component: 150 - total flux cleaned = 0.00514783 Jy ! Component: 200 - total flux cleaned = 0.00527604 Jy ! Total flux subtracted in 200 components = 0.00527604 Jy ! Clean residual min=-0.003957 max=0.004112 Jy/beam ! Clean residual mean=-0.000002 rms=0.001014 Jy/beam ! Combined flux in latest and established models = 0.209341 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 65 components and 0.209341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081994Jy sigma=0.987168 ! Fit after self-cal, rms=0.081770Jy sigma=0.982786 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 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: 0.7686 x 2.021 at 3.863 degrees (North through East) ! Clean map min=-0.0035577 max=0.13432 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=0.081770Jy sigma=0.982786 ! Fit after self-cal, rms=0.081573Jy sigma=0.975452 ! 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=0.081573Jy sigma=0.975452 ! Fit after self-cal, rms=0.081648Jy sigma=0.974904 ! Inverting map and beam ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7626 mas, bmaj=2.014 mas, bpa=3.46 degrees ! Estimated noise=0.911821 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000668089 Jy ! Component: 100 - total flux cleaned = -0.000664918 Jy ! Component: 150 - total flux cleaned = -0.000663529 Jy ! Component: 200 - total flux cleaned = -0.000664202 Jy ! Total flux subtracted in 200 components = -0.000664202 Jy ! Clean residual min=-0.003302 max=0.003281 Jy/beam ! Clean residual mean=0.000003 rms=0.000899 Jy/beam ! Combined flux in latest and established models = 0.208677 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 70 components and 0.208677 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081609Jy sigma=0.974504 ! Fit after self-cal, rms=0.081663Jy sigma=0.974403 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 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=0.081663Jy sigma=0.974403 ! Fit after self-cal, rms=0.083130Jy sigma=0.973627 ! 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=0.083130Jy sigma=0.973627 ! Fit after self-cal, rms=0.083234Jy sigma=0.973476 ! Inverting map and beam ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7635 mas, bmaj=2.012 mas, bpa=2.619 degrees ! Estimated noise=0.906841 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000862411 Jy ! Component: 100 - total flux cleaned = -0.000664978 Jy ! Component: 150 - total flux cleaned = -0.000549721 Jy ! Component: 200 - total flux cleaned = -0.000549302 Jy ! Total flux subtracted in 200 components = -0.000549302 Jy ! Clean residual min=-0.003612 max=0.003281 Jy/beam ! Clean residual mean=-0.000000 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.208128 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 76 components and 0.208128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083163Jy sigma=0.972788 ! Fit after self-cal, rms=0.083200Jy sigma=0.972746 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.202 mas, bmaj=6.122 mas, bpa=5.315 degrees ! Estimated noise=1.233 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 = 0.000963562 Jy ! Component: 100 - total flux cleaned = 0.00143274 Jy ! Component: 150 - total flux cleaned = 0.00150497 Jy ! Component: 200 - total flux cleaned = 0.0015267 Jy ! Total flux subtracted in 200 components = 0.0015267 Jy ! Clean residual min=-0.003703 max=0.003274 Jy/beam ! Clean residual mean=-0.000007 rms=0.001127 Jy/beam ! Combined flux in latest and established models = 0.209654 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 77 components and 0.209654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083194Jy sigma=0.972726 ! Fit after self-cal, rms=0.083203Jy sigma=0.972711 ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 0,0 ! 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 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6049 mas, bmaj=1.626 mas, bpa=1.203 degrees ! Estimated noise=1.62128 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.109334 Jy ! Component: 100 - total flux cleaned = 0.143285 Jy ! Component: 150 - total flux cleaned = 0.162282 Jy ! Component: 200 - total flux cleaned = 0.174363 Jy ! Total flux subtracted in 200 components = 0.174363 Jy ! Clean residual min=-0.007313 max=0.007834 Jy/beam ! Clean residual mean=0.000009 rms=0.001940 Jy/beam ! Combined flux in latest and established models = 0.174363 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.174363 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7635 mas, bmaj=2.012 mas, bpa=2.619 degrees ! Estimated noise=0.906841 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 = 0.0129 Jy ! Component: 100 - total flux cleaned = 0.020222 Jy ! Component: 150 - total flux cleaned = 0.0249266 Jy ! Component: 200 - total flux cleaned = 0.0280319 Jy ! Total flux subtracted in 200 components = 0.0280319 Jy ! Clean residual min=-0.003848 max=0.003283 Jy/beam ! Clean residual mean=0.000010 rms=0.001008 Jy/beam ! Combined flux in latest and established models = 0.202395 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 35 components and 0.202395 Jy ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.202 mas, bmaj=6.122 mas, bpa=5.315 degrees ! Estimated noise=1.233 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 = 0.00378721 Jy ! Component: 100 - total flux cleaned = 0.00560229 Jy ! Component: 150 - total flux cleaned = 0.00651524 Jy ! Component: 200 - total flux cleaned = 0.00698122 Jy ! Total flux subtracted in 200 components = 0.00698122 Jy ! Clean residual min=-0.003753 max=0.003229 Jy/beam ! Clean residual mean=-0.000006 rms=0.001135 Jy/beam ! Combined flux in latest and established models = 0.209376 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 46 components and 0.209376 Jy ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7635 mas, bmaj=2.012 mas, bpa=2.619 degrees ! Estimated noise=0.906841 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00108666 Jy ! Component: 100 - total flux cleaned = -0.00113579 Jy ! Component: 150 - total flux cleaned = -0.00117033 Jy ! Component: 200 - total flux cleaned = -0.00119602 Jy ! Total flux subtracted in 200 components = -0.00119602 Jy ! Clean residual min=-0.003546 max=0.003236 Jy/beam ! Clean residual mean=-0.000001 rms=0.000895 Jy/beam ! Combined flux in latest and established models = 0.20818 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 55 components and 0.20818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083197Jy sigma=0.972333 ! Fit after self-cal, rms=0.083202Jy sigma=0.972289 wmodel J0806-2911_X_2004_05_08_yyk\_map.mod ! Writing 55 model components to file: J0806-2911_X_2004_05_08_yyk_map.mod wobs J0806-2911_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J0806-2911_X_2004_05_08_yyk_uvs.fits wwins J0806-2911_X_2004_05_08_yyk\_map.win ! wwins: Wrote 2 windows to J0806-2911_X_2004_05_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 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123022 Jy ! Component: 100 - total flux cleaned = -0.00196782 Jy ! Component: 150 - total flux cleaned = -0.00217783 Jy ! Component: 200 - total flux cleaned = -0.00247311 Jy ! Component: 250 - total flux cleaned = -0.00266069 Jy ! Component: 300 - total flux cleaned = -0.00261682 Jy ! Component: 350 - total flux cleaned = -0.00257444 Jy ! Component: 400 - total flux cleaned = -0.00265764 Jy ! Component: 450 - total flux cleaned = -0.00281891 Jy ! Component: 500 - total flux cleaned = -0.00301413 Jy ! Component: 550 - total flux cleaned = -0.00308982 Jy ! Component: 600 - total flux cleaned = -0.0032019 Jy ! Component: 650 - total flux cleaned = -0.00331135 Jy ! Component: 700 - total flux cleaned = -0.00331138 Jy ! Component: 750 - total flux cleaned = -0.00338175 Jy ! Component: 800 - total flux cleaned = -0.00345006 Jy ! Component: 850 - total flux cleaned = -0.00341563 Jy ! Component: 900 - total flux cleaned = -0.0032843 Jy ! Component: 950 - total flux cleaned = -0.00325307 Jy ! Component: 1000 - total flux cleaned = -0.00334886 Jy ! Component: 1050 - total flux cleaned = -0.00331701 Jy ! Component: 1100 - total flux cleaned = -0.00331679 Jy ! Component: 1150 - total flux cleaned = -0.00331666 Jy ! Component: 1200 - total flux cleaned = -0.00328687 Jy ! Component: 1250 - total flux cleaned = -0.00319831 Jy ! Component: 1300 - total flux cleaned = -0.00319736 Jy ! Component: 1350 - total flux cleaned = -0.00308227 Jy ! Component: 1400 - total flux cleaned = -0.0029975 Jy ! Component: 1450 - total flux cleaned = -0.00296991 Jy ! Component: 1500 - total flux cleaned = -0.00299715 Jy ! Component: 1550 - total flux cleaned = -0.00297013 Jy ! Component: 1600 - total flux cleaned = -0.00294383 Jy ! Component: 1650 - total flux cleaned = -0.00299681 Jy ! Component: 1700 - total flux cleaned = -0.0030753 Jy ! Component: 1750 - total flux cleaned = -0.00310115 Jy ! Component: 1800 - total flux cleaned = -0.0031524 Jy ! Component: 1850 - total flux cleaned = -0.00312715 Jy ! Component: 1900 - total flux cleaned = -0.00320251 Jy ! Component: 1950 - total flux cleaned = -0.0032519 Jy ! Component: 2000 - total flux cleaned = -0.00322739 Jy ! Total flux subtracted in 2048 components = -0.00322736 Jy ! Clean residual min=-0.001306 max=0.001766 Jy/beam ! Clean residual mean=0.000001 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.204952 Jy keep ! Adding 130 model components to the UV plane model. ! The established model now contains 185 components and 0.204952 Jy ![Exited script file: muppet] wmap "J0806-2911_X_2004_05_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7635 x 2.012 at 2.619 degrees (North through East) ! Clean map min=-0.0024762 max=0.13271 Jy/beam ! Writing clean map to FITS file: J0806-2911_X_2004_05_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.132715 invert ! Inverting map ! Your choice of large map pixels excluded 0.764% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000445678 device "J0806-2911_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0806-2911_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.00745 1.00745 2.0149 4.0298 8.05959 16.1192 32.2384 64.4767 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.132 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7635 x 2.012 at 2.619 degrees (North through East) ! Clean map min=-0.0024762 max=0.13271 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0806-2911_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0806-2911_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0806-2911_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:09:45 2005