! Started logfile: J2147-3601_X_2004_04_30_yyk_uvs.log on Wed Dec 7 00:54:54 2005 obs J2147-3601_X_2004_04_30_yyk_uve.fits ! Reading UV FITS file: J2147-3601_X_2004_04_30_yyk_uve.fits ! AN table 1: 4 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.8 visibilities/baseline/integration-bin. ! Found source: J2147-3601 ! ! 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 1545 lines of history. ! ! Reading 576 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 J2147-3601_X_2004_04_30_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)= 0.22815 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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.795332Jy sigma=12.191258 ! Fit after self-cal, rms=0.795186Jy sigma=12.189370 ! 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 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6906 mas, bmaj=1.811 mas, bpa=2.094 degrees ! Estimated noise=2.73422 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 = 0.172638 Jy ! Component: 100 - total flux cleaned = 0.215897 Jy ! Total flux subtracted in 100 components = 0.215897 Jy ! Clean residual min=-0.014311 max=0.017607 Jy/beam ! Clean residual mean=-0.000027 rms=0.004284 Jy/beam ! Combined flux in latest and established models = 0.215897 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.215897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081276Jy sigma=1.104236 ! Fit after self-cal, rms=0.081193Jy sigma=1.102261 ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8363 mas, bmaj=2.159 mas, bpa=1.633 degrees ! Estimated noise=1.95478 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 = 0.0264511 Jy ! Component: 100 - total flux cleaned = 0.034936 Jy ! Component: 150 - total flux cleaned = 0.0367828 Jy ! Component: 200 - total flux cleaned = 0.037244 Jy ! Total flux subtracted in 200 components = 0.037244 Jy ! Clean residual min=-0.010041 max=0.013304 Jy/beam ! Clean residual mean=0.000031 rms=0.003088 Jy/beam ! Combined flux in latest and established models = 0.253141 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 42 components and 0.253141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076991Jy sigma=1.003772 ! Fit after self-cal, rms=0.076998Jy sigma=1.003558 ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 ! 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: 0.976251 ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.95 HN 1.00* KP 0.85 ! LA 1.00 MK 1.03 NL 1.16 OV 1.03 ! PT 1.00 SC 1.06 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.957147 ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 1.00* KP 1.00 ! LA 0.93 MK 1.07 NL 1.16 OV 1.10 ! PT 1.07 SC 1.08 ! ! ! Fit before self-cal, rms=0.076998Jy sigma=1.003558 ! Fit after self-cal, rms=0.075941Jy sigma=0.984589 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=0.075941Jy sigma=0.984589 ! Fit after self-cal, rms=0.075935Jy sigma=0.984536 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8511 mas, bmaj=2.197 mas, bpa=1.453 degrees ! Estimated noise=1.92984 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 = -0.00477322 Jy ! Component: 100 - total flux cleaned = -0.00485816 Jy ! Component: 150 - total flux cleaned = -0.00485165 Jy ! Component: 200 - total flux cleaned = -0.00477904 Jy ! Total flux subtracted in 200 components = -0.00477904 Jy ! Clean residual min=-0.007969 max=0.011340 Jy/beam ! Clean residual mean=0.000031 rms=0.002559 Jy/beam ! Combined flux in latest and established models = 0.248362 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 0.248362 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075713Jy sigma=0.979981 ! Fit after self-cal, rms=0.075697Jy sigma=0.979648 ! Inverting map ! Your choice of large map pixels excluded 0.545% 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=0.075697Jy sigma=0.979648 ! Fit after self-cal, rms=0.071922Jy sigma=0.941904 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 = 0.00019242 Jy ! Component: 100 - total flux cleaned = 0.000412409 Jy ! Component: 150 - total flux cleaned = 0.000610137 Jy ! Component: 200 - total flux cleaned = 0.000842755 Jy ! Total flux subtracted in 200 components = 0.000842755 Jy ! Clean residual min=-0.008106 max=0.011356 Jy/beam ! Clean residual mean=0.000034 rms=0.002552 Jy/beam ! Combined flux in latest and established models = 0.249204 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 0.249204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071889Jy sigma=0.940316 ! Fit after self-cal, rms=0.071491Jy sigma=0.936459 ! Inverting map ! Your choice of large map pixels excluded 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Added new window around map position (-2.6, 4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0113246 Jy ! Component: 100 - total flux cleaned = 0.0136066 Jy ! Component: 150 - total flux cleaned = 0.0140142 Jy ! Component: 200 - total flux cleaned = 0.0141986 Jy ! Total flux subtracted in 200 components = 0.0141986 Jy ! Clean residual min=-0.007337 max=0.007731 Jy/beam ! Clean residual mean=0.000104 rms=0.002126 Jy/beam ! Combined flux in latest and established models = 0.263403 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 66 components and 0.263403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070203Jy sigma=0.913488 ! Fit after self-cal, rms=0.070150Jy sigma=0.911722 ! Inverting map ! Your choice of large map pixels excluded 0.545% 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: 0.8511 x 2.197 at 1.453 degrees (North through East) ! Clean map min=-0.0065652 max=0.20462 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=0.070150Jy sigma=0.911722 ! Fit after self-cal, rms=0.069313Jy sigma=0.871753 ! 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=0.069313Jy sigma=0.871753 ! Fit after self-cal, rms=0.069341Jy sigma=0.871606 ! Inverting map and beam ! Your choice of large map pixels excluded 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8445 mas, bmaj=2.193 mas, bpa=1.693 degrees ! Estimated noise=1.91777 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000541391 Jy ! Component: 100 - total flux cleaned = 0.000538206 Jy ! Component: 150 - total flux cleaned = 0.000490635 Jy ! Component: 200 - total flux cleaned = 0.000492317 Jy ! Total flux subtracted in 200 components = 0.000492317 Jy ! Clean residual min=-0.006436 max=0.006475 Jy/beam ! Clean residual mean=0.000102 rms=0.001888 Jy/beam ! Combined flux in latest and established models = 0.263895 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 77 components and 0.263895 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069346Jy sigma=0.870334 ! Fit after self-cal, rms=0.069358Jy sigma=0.870294 ! Inverting map ! Your choice of large map pixels excluded 0.545% 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=0.069358Jy sigma=0.870294 ! Fit after self-cal, rms=0.068959Jy sigma=0.864913 ! 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=0.068959Jy sigma=0.864913 ! Fit after self-cal, rms=0.068963Jy sigma=0.864892 ! Inverting map and beam ! Your choice of large map pixels excluded 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8431 mas, bmaj=2.19 mas, bpa=2.039 degrees ! Estimated noise=1.91168 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000442238 Jy ! Component: 100 - total flux cleaned = 0.000519569 Jy ! Component: 150 - total flux cleaned = 0.000518081 Jy ! Component: 200 - total flux cleaned = 0.000483927 Jy ! Total flux subtracted in 200 components = 0.000483927 Jy ! Clean residual min=-0.006589 max=0.006242 Jy/beam ! Clean residual mean=0.000111 rms=0.001900 Jy/beam ! Combined flux in latest and established models = 0.264379 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 84 components and 0.264379 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068989Jy sigma=0.864307 ! Fit after self-cal, rms=0.068993Jy sigma=0.864288 ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.752 mas, bmaj=9.311 mas, bpa=5.385 degrees ! Estimated noise=2.46193 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 = 8.89484e-05 Jy ! Component: 100 - total flux cleaned = 7.17278e-05 Jy ! Component: 150 - total flux cleaned = 4.24977e-05 Jy ! Component: 200 - total flux cleaned = 2.77055e-05 Jy ! Total flux subtracted in 200 components = 2.77055e-05 Jy ! Clean residual min=-0.007918 max=0.007855 Jy/beam ! Clean residual mean=0.000219 rms=0.002915 Jy/beam ! Combined flux in latest and established models = 0.264407 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 96 components and 0.264407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068986Jy sigma=0.864242 ! Fit after self-cal, rms=0.068988Jy sigma=0.864238 ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.693 mas, bmaj=1.823 mas, bpa=2.617 degrees ! Estimated noise=2.73947 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.173625 Jy ! Component: 100 - total flux cleaned = 0.216599 Jy ! Component: 150 - total flux cleaned = 0.236521 Jy ! Component: 200 - total flux cleaned = 0.248267 Jy ! Total flux subtracted in 200 components = 0.248267 Jy ! Clean residual min=-0.009482 max=0.009362 Jy/beam ! Clean residual mean=0.000032 rms=0.002675 Jy/beam ! Combined flux in latest and established models = 0.248267 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 0.248267 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8431 mas, bmaj=2.19 mas, bpa=2.039 degrees ! Estimated noise=1.91168 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 = 0.00940566 Jy ! Component: 100 - total flux cleaned = 0.0137903 Jy ! Component: 150 - total flux cleaned = 0.0147847 Jy ! Component: 200 - total flux cleaned = 0.0154639 Jy ! Total flux subtracted in 200 components = 0.0154639 Jy ! Clean residual min=-0.006720 max=0.006418 Jy/beam ! Clean residual mean=0.000106 rms=0.001957 Jy/beam ! Combined flux in latest and established models = 0.263731 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 49 components and 0.26373 Jy ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.752 mas, bmaj=9.311 mas, bpa=5.385 degrees ! Estimated noise=2.46193 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 = 0.000688905 Jy ! Component: 100 - total flux cleaned = 0.000780715 Jy ! Component: 150 - total flux cleaned = 0.000817307 Jy ! Component: 200 - total flux cleaned = 0.00078001 Jy ! Total flux subtracted in 200 components = 0.00078001 Jy ! Clean residual min=-0.008141 max=0.007928 Jy/beam ! Clean residual mean=0.000215 rms=0.002910 Jy/beam ! Combined flux in latest and established models = 0.264511 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 53 components and 0.26451 Jy ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 0.545% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8431 mas, bmaj=2.19 mas, bpa=2.039 degrees ! Estimated noise=1.91168 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000116888 Jy ! Component: 100 - total flux cleaned = -3.98575e-05 Jy ! Component: 150 - total flux cleaned = 3.26587e-05 Jy ! Component: 200 - total flux cleaned = 3.38793e-05 Jy ! Total flux subtracted in 200 components = 3.38793e-05 Jy ! Clean residual min=-0.006630 max=0.006319 Jy/beam ! Clean residual mean=0.000112 rms=0.001922 Jy/beam ! Combined flux in latest and established models = 0.264544 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 60 components and 0.264544 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068949Jy sigma=0.866637 ! Fit after self-cal, rms=0.068943Jy sigma=0.866447 wmodel J2147-3601_X_2004_04_30_yyk\_map.mod ! Writing 60 model components to file: J2147-3601_X_2004_04_30_yyk_map.mod wobs J2147-3601_X_2004_04_30_yyk\_uvs.fits ! Writing UV FITS file: J2147-3601_X_2004_04_30_yyk_uvs.fits wwins J2147-3601_X_2004_04_30_yyk\_map.win ! wwins: Wrote 2 windows to J2147-3601_X_2004_04_30_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 0.545% 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 = -0.000503168 Jy ! Component: 100 - total flux cleaned = -0.000399819 Jy ! Component: 150 - total flux cleaned = -0.000399548 Jy ! Component: 200 - total flux cleaned = 9.2054e-05 Jy ! Component: 250 - total flux cleaned = 0.000793028 Jy ! Component: 300 - total flux cleaned = 0.00160513 Jy ! Component: 350 - total flux cleaned = 0.00244385 Jy ! Component: 400 - total flux cleaned = 0.00324427 Jy ! Component: 450 - total flux cleaned = 0.00362991 Jy ! Component: 500 - total flux cleaned = 0.00406201 Jy ! Component: 550 - total flux cleaned = 0.00418075 Jy ! Component: 600 - total flux cleaned = 0.00446438 Jy ! Component: 650 - total flux cleaned = 0.00468285 Jy ! Component: 700 - total flux cleaned = 0.00511018 Jy ! Component: 750 - total flux cleaned = 0.00515963 Jy ! Component: 800 - total flux cleaned = 0.00546096 Jy ! Component: 850 - total flux cleaned = 0.00560848 Jy ! Component: 900 - total flux cleaned = 0.00580144 Jy ! Component: 950 - total flux cleaned = 0.00594187 Jy ! Component: 1000 - total flux cleaned = 0.00603337 Jy ! Component: 1050 - total flux cleaned = 0.00621225 Jy ! Component: 1100 - total flux cleaned = 0.00634222 Jy ! Component: 1150 - total flux cleaned = 0.00655422 Jy ! Component: 1200 - total flux cleaned = 0.00663614 Jy ! Component: 1250 - total flux cleaned = 0.00675828 Jy ! Component: 1300 - total flux cleaned = 0.00691774 Jy ! Component: 1350 - total flux cleaned = 0.00707379 Jy ! Component: 1400 - total flux cleaned = 0.0071506 Jy ! Component: 1450 - total flux cleaned = 0.00726386 Jy ! Component: 1500 - total flux cleaned = 0.00744914 Jy ! Component: 1550 - total flux cleaned = 0.00755879 Jy ! Component: 1600 - total flux cleaned = 0.00770249 Jy ! Component: 1650 - total flux cleaned = 0.00791529 Jy ! Component: 1700 - total flux cleaned = 0.00812584 Jy ! Component: 1750 - total flux cleaned = 0.00833298 Jy ! Component: 1800 - total flux cleaned = 0.00850373 Jy ! Component: 1850 - total flux cleaned = 0.00867269 Jy ! Component: 1900 - total flux cleaned = 0.00894014 Jy ! Component: 1950 - total flux cleaned = 0.00900644 Jy ! Component: 2000 - total flux cleaned = 0.00920311 Jy ! Total flux subtracted in 2048 components = 0.0093656 Jy ! Clean residual min=-0.002134 max=0.002077 Jy/beam ! Clean residual mean=0.000046 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.27391 Jy keep ! Adding 126 model components to the UV plane model. ! The established model now contains 186 components and 0.27391 Jy ![Exited script file: muppet] wmap "J2147-3601_X_2004_04_30_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.545% 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: 0.8431 x 2.19 at 2.039 degrees (North through East) ! Clean map min=-0.0037137 max=0.20216 Jy/beam ! Writing clean map to FITS file: J2147-3601_X_2004_04_30_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.202155 invert ! Inverting map ! Your choice of large map pixels excluded 0.545% 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 0.000613935 device "J2147-3601_X_2004_04_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J2147-3601_X_2004_04_30_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.911085 0.911085 1.82217 3.64434 7.28868 14.5774 29.1547 58.3094 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.202 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8431 x 2.19 at 2.039 degrees (North through East) ! Clean map min=-0.0037137 max=0.20216 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2147-3601_X_2004_04_30_yyk\_map.gif/gif" ! Attempting to open device: 'J2147-3601_X_2004_04_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2147-3601_X_2004_04_30_yyk_uvs.log closed on Wed Dec 7 00:54:59 2005