! Started logfile: J0824-1827_X_2005_07_08_yyk_uvs.log on Fri Jan 20 10:08:40 2006 obs J0824-1827_X_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J0824-1827_X_2005_07_08_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.886869 visibilities/baseline/integration-bin. ! Found source: J0824-1827 ! ! 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 1406 lines of history. ! ! Reading 1756 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 J0824-1827_X_2005_07_08_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 10 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 30 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.195486 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 0.249% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7101 mas, bmaj=1.84 mas, bpa=-6.482 degrees ! Estimated noise=1.39964 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 = 0.146938 Jy ! Component: 100 - total flux cleaned = 0.179846 Jy ! Total flux subtracted in 100 components = 0.179846 Jy ! Clean residual min=-0.007942 max=0.014033 Jy/beam ! Clean residual mean=0.000004 rms=0.002347 Jy/beam ! Combined flux in latest and established models = 0.179846 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 0.179846 Jy ! ! Correcting IF 1. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.077013Jy sigma=1.185284 ! Fit after self-cal, rms=0.076594Jy sigma=1.178814 ! Inverting map and beam ! Your choice of large map pixels excluded 0.25% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7098 mas, bmaj=1.837 mas, bpa=-6.489 degrees ! Estimated noise=1.39916 mJy/beam. ! Added new window around map position (2.4, 4.2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180913 Jy ! Component: 100 - total flux cleaned = 0.0283557 Jy ! Total flux subtracted in 100 components = 0.0283557 Jy ! Clean residual min=-0.007359 max=0.007553 Jy/beam ! Clean residual mean=-0.000004 rms=0.001879 Jy/beam ! Combined flux in latest and established models = 0.208201 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 32 components and 0.208201 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072580Jy sigma=1.085987 ! Fit after self-cal, rms=0.072392Jy sigma=1.083675 ! Inverting map ! Your choice of large map pixels excluded 0.25% of the data. ! The x-axis pixel size should ideally be below 0.1986 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 0.25% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8914 mas, bmaj=2.198 mas, bpa=-5.447 degrees ! Estimated noise=1.00084 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 = 0.0107966 Jy ! Component: 100 - total flux cleaned = 0.0154591 Jy ! Component: 150 - total flux cleaned = 0.0178081 Jy ! Component: 200 - total flux cleaned = 0.0184394 Jy ! Total flux subtracted in 200 components = 0.0184394 Jy ! Clean residual min=-0.006049 max=0.005002 Jy/beam ! Clean residual mean=-0.000036 rms=0.001301 Jy/beam ! Combined flux in latest and established models = 0.226641 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 50 components and 0.226641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071744Jy sigma=1.061628 ! Fit after self-cal, rms=0.071640Jy sigma=1.060667 ! Inverting map ! Your choice of large map pixels excluded 0.25% 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: 0.8914 x 2.198 at -5.447 degrees (North through East) ! Clean map min=-0.005737 max=0.17918 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: 1.02295 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 0.99 KP 0.93 ! LA 1.00 MK 1.00 NL 0.97 OV 1.04 ! PT 0.95 SC 0.92 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01057 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 1.12 KP 0.87 ! LA 0.97 MK 0.99 NL 0.98 OV 1.02 ! PT 1.02 SC 0.93 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.01079 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.92 KP 0.87 ! LA 1.04 MK 1.06 NL 0.97 OV 1.04 ! PT 1.06 SC 0.88 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.071640Jy sigma=1.060667 ! Fit after self-cal, rms=0.068974Jy sigma=1.032442 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=0.068974Jy sigma=1.032442 ! Fit after self-cal, rms=0.068972Jy sigma=1.032378 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8841 mas, bmaj=2.163 mas, bpa=-3.656 degrees ! Estimated noise=0.996388 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 = 0.00318183 Jy ! Component: 100 - total flux cleaned = 0.00385944 Jy ! Component: 150 - total flux cleaned = 0.00428167 Jy ! Component: 200 - total flux cleaned = 0.00446868 Jy ! Total flux subtracted in 200 components = 0.00446868 Jy ! Clean residual min=-0.003878 max=0.004379 Jy/beam ! Clean residual mean=-0.000025 rms=0.001076 Jy/beam ! Combined flux in latest and established models = 0.23111 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 69 components and 0.23111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068762Jy sigma=1.029113 ! Fit after self-cal, rms=0.068720Jy sigma=1.028865 ! Inverting map ! Your choice of large map pixels excluded 0.188% 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=0.068720Jy sigma=1.028865 ! Fit after self-cal, rms=0.065331Jy sigma=0.979250 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.188% 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) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00080571 Jy ! Component: 100 - total flux cleaned = 0.000966326 Jy ! Component: 150 - total flux cleaned = 0.00110517 Jy ! Component: 200 - total flux cleaned = 0.00119797 Jy ! Total flux subtracted in 200 components = 0.00119797 Jy ! Clean residual min=-0.003851 max=0.004091 Jy/beam ! Clean residual mean=-0.000025 rms=0.001043 Jy/beam ! Combined flux in latest and established models = 0.232308 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 77 components and 0.232308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065325Jy sigma=0.978481 ! Fit after self-cal, rms=0.065000Jy sigma=0.975081 ! Inverting map ! Your choice of large map pixels excluded 0.188% 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: 0.8841 x 2.163 at -3.656 degrees (North through East) ! Clean map min=-0.0034294 max=0.17897 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=0.065000Jy sigma=0.975081 ! Fit after self-cal, rms=0.063659Jy sigma=0.952746 ! 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=0.063659Jy sigma=0.952746 ! Fit after self-cal, rms=0.063609Jy sigma=0.952319 ! Inverting map and beam ! Your choice of large map pixels excluded 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8789 mas, bmaj=2.146 mas, bpa=-3.058 degrees ! Estimated noise=0.978771 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00122604 Jy ! Component: 100 - total flux cleaned = -0.000874454 Jy ! Component: 150 - total flux cleaned = -0.000617458 Jy ! Component: 200 - total flux cleaned = -0.000422899 Jy ! Total flux subtracted in 200 components = -0.000422899 Jy ! Clean residual min=-0.003936 max=0.003376 Jy/beam ! Clean residual mean=-0.000001 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.231885 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 85 components and 0.231885 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063457Jy sigma=0.950585 ! Fit after self-cal, rms=0.063443Jy sigma=0.950448 ! Inverting map ! Your choice of large map pixels excluded 0.188% 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=0.063443Jy sigma=0.950448 ! Fit after self-cal, rms=0.062390Jy sigma=0.937597 ! 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=0.062390Jy sigma=0.937597 ! Fit after self-cal, rms=0.062383Jy sigma=0.937526 ! Inverting map and beam ! Your choice of large map pixels excluded 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8738 mas, bmaj=2.132 mas, bpa=-2.983 degrees ! Estimated noise=0.967095 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00134767 Jy ! Component: 100 - total flux cleaned = -0.00102546 Jy ! Component: 150 - total flux cleaned = -0.000810894 Jy ! Component: 200 - total flux cleaned = -0.000609999 Jy ! Total flux subtracted in 200 components = -0.000609999 Jy ! Clean residual min=-0.003939 max=0.003268 Jy/beam ! Clean residual mean=-0.000001 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.231275 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 90 components and 0.231275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062260Jy sigma=0.936347 ! Fit after self-cal, rms=0.062256Jy sigma=0.936304 ! Inverting map ! Your choice of large map pixels excluded 0.188% 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 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.259 mas, bmaj=4.541 mas, bpa=-3.821 degrees ! Estimated noise=1.26169 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 = 0.000790027 Jy ! Component: 100 - total flux cleaned = 0.000871339 Jy ! Component: 150 - total flux cleaned = 0.000884465 Jy ! Component: 200 - total flux cleaned = 0.000896844 Jy ! Total flux subtracted in 200 components = 0.000896844 Jy ! Clean residual min=-0.003510 max=0.003481 Jy/beam ! Clean residual mean=-0.000002 rms=0.000983 Jy/beam ! Combined flux in latest and established models = 0.232172 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 94 components and 0.232172 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062255Jy sigma=0.936351 ! Fit after self-cal, rms=0.062249Jy sigma=0.936298 ! Inverting map ! Your choice of large map pixels excluded 0.188% 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 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7045 mas, bmaj=1.812 mas, bpa=-5.393 degrees ! Estimated noise=1.34967 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.142689 Jy ! Component: 100 - total flux cleaned = 0.176901 Jy ! Component: 150 - total flux cleaned = 0.195865 Jy ! Component: 200 - total flux cleaned = 0.207038 Jy ! Total flux subtracted in 200 components = 0.207038 Jy ! Clean residual min=-0.005835 max=0.005799 Jy/beam ! Clean residual mean=0.000006 rms=0.001461 Jy/beam ! Combined flux in latest and established models = 0.207038 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 34 model components to the UV plane model. ! The established model now contains 34 components and 0.207038 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8738 mas, bmaj=2.132 mas, bpa=-2.983 degrees ! Estimated noise=0.967095 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 = 0.0115117 Jy ! Component: 100 - total flux cleaned = 0.0174032 Jy ! Component: 150 - total flux cleaned = 0.0208193 Jy ! Component: 200 - total flux cleaned = 0.0228768 Jy ! Total flux subtracted in 200 components = 0.0228768 Jy ! Clean residual min=-0.004033 max=0.003451 Jy/beam ! Clean residual mean=0.000000 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 0.229915 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 67 components and 0.229915 Jy ! Inverting map ! Your choice of large map pixels excluded 0.188% 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 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.259 mas, bmaj=4.541 mas, bpa=-3.821 degrees ! Estimated noise=1.26169 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 = 0.00185878 Jy ! Component: 100 - total flux cleaned = 0.00223457 Jy ! Component: 150 - total flux cleaned = 0.00237634 Jy ! Component: 200 - total flux cleaned = 0.00243306 Jy ! Total flux subtracted in 200 components = 0.00243306 Jy ! Clean residual min=-0.003614 max=0.003485 Jy/beam ! Clean residual mean=-0.000002 rms=0.000992 Jy/beam ! Combined flux in latest and established models = 0.232348 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 74 components and 0.232348 Jy ! Inverting map ! Your choice of large map pixels excluded 0.188% 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 0.188% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8738 mas, bmaj=2.132 mas, bpa=-2.983 degrees ! Estimated noise=0.967095 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000484698 Jy ! Component: 100 - total flux cleaned = -0.000480908 Jy ! Component: 150 - total flux cleaned = -0.000452048 Jy ! Component: 200 - total flux cleaned = -0.000427384 Jy ! Total flux subtracted in 200 components = -0.000427384 Jy ! Clean residual min=-0.003918 max=0.003287 Jy/beam ! Clean residual mean=-0.000001 rms=0.000876 Jy/beam ! Combined flux in latest and established models = 0.23192 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 84 components and 0.23192 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062188Jy sigma=0.936006 ! Fit after self-cal, rms=0.062185Jy sigma=0.935932 wmodel J0824-1827_X_2005_07_08_yyk\_map.mod ! Writing 84 model components to file: J0824-1827_X_2005_07_08_yyk_map.mod wobs J0824-1827_X_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J0824-1827_X_2005_07_08_yyk_uvs.fits wwins J0824-1827_X_2005_07_08_yyk\_map.win ! wwins: Wrote 2 windows to J0824-1827_X_2005_07_08_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.188% 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 = -0.00108972 Jy ! Component: 100 - total flux cleaned = -0.00114749 Jy ! Component: 150 - total flux cleaned = -0.00131191 Jy ! Component: 200 - total flux cleaned = -0.00131037 Jy ! Component: 250 - total flux cleaned = -0.00120874 Jy ! Component: 300 - total flux cleaned = -0.00120866 Jy ! Component: 350 - total flux cleaned = -0.00116134 Jy ! Component: 400 - total flux cleaned = -0.00111539 Jy ! Component: 450 - total flux cleaned = -0.0011165 Jy ! Component: 500 - total flux cleaned = -0.00111679 Jy ! Component: 550 - total flux cleaned = -0.00107455 Jy ! Component: 600 - total flux cleaned = -0.000990415 Jy ! Component: 650 - total flux cleaned = -0.00103249 Jy ! Component: 700 - total flux cleaned = -0.000950282 Jy ! Component: 750 - total flux cleaned = -0.000830107 Jy ! Component: 800 - total flux cleaned = -0.000712386 Jy ! Component: 850 - total flux cleaned = -0.000673969 Jy ! Component: 900 - total flux cleaned = -0.000598548 Jy ! Component: 950 - total flux cleaned = -0.000486375 Jy ! Component: 1000 - total flux cleaned = -0.000304206 Jy ! Component: 1050 - total flux cleaned = -0.000304258 Jy ! Component: 1100 - total flux cleaned = -0.000232659 Jy ! Component: 1150 - total flux cleaned = -0.000128061 Jy ! Component: 1200 - total flux cleaned = -2.61859e-05 Jy ! Component: 1250 - total flux cleaned = 7.42356e-05 Jy ! Component: 1300 - total flux cleaned = -9.27088e-05 Jy ! Component: 1350 - total flux cleaned = 0.000104498 Jy ! Component: 1400 - total flux cleaned = 0.000201181 Jy ! Component: 1450 - total flux cleaned = 0.00013646 Jy ! Component: 1500 - total flux cleaned = 0.000231894 Jy ! Component: 1550 - total flux cleaned = 0.000357235 Jy ! Component: 1600 - total flux cleaned = 0.000449929 Jy ! Component: 1650 - total flux cleaned = 0.000632866 Jy ! Component: 1700 - total flux cleaned = 0.000511969 Jy ! Component: 1750 - total flux cleaned = 0.000661093 Jy ! Component: 1800 - total flux cleaned = 0.0006016 Jy ! Component: 1850 - total flux cleaned = 0.000572775 Jy ! Component: 1900 - total flux cleaned = 0.000630657 Jy ! Component: 1950 - total flux cleaned = 0.000687616 Jy ! Component: 2000 - total flux cleaned = 0.00060289 Jy ! Total flux subtracted in 2048 components = 0.000630956 Jy ! Clean residual min=-0.001394 max=0.001894 Jy/beam ! Clean residual mean=-0.000005 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.232551 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 229 components and 0.232551 Jy ![Exited script file: muppet] wmap "J0824-1827_X_2005_07_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.188% 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: 0.8738 x 2.132 at -2.983 degrees (North through East) ! Clean map min=-0.0032003 max=0.17258 Jy/beam ! Writing clean map to FITS file: J0824-1827_X_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.172583 invert ! Inverting map ! Your choice of large map pixels excluded 0.188% 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 0.000518915 device "J0824-1827_X_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0824-1827_X_2005_07_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.902029 0.902029 1.80406 3.60812 7.21623 14.4325 28.8649 57.7298 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.172 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8738 x 2.132 at -2.983 degrees (North through East) ! Clean map min=-0.0032003 max=0.17258 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0824-1827_X_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0824-1827_X_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0824-1827_X_2005_07_08_yyk_uvs.log closed on Fri Jan 20 10:08:45 2006