! Started logfile: J0453-2807_X_2004_05_08_yyk_uvs.log on Tue Dec 6 23:59:59 2005 obs J0453-2807_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J0453-2807_X_2004_05_08_yyk_uve.fits ! AN table 1: 4 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.655556 visibilities/baseline/integration-bin. ! Found source: J0453-2807 ! ! 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 1432 lines of history. ! ! Reading 472 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 J0453-2807_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)= 1.24068 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 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.372198Jy sigma=6.742904 ! Fit after self-cal, rms=0.372840Jy sigma=6.736010 ! 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 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6433 mas, bmaj=1.707 mas, bpa=0.8428 degrees ! Estimated noise=2.52648 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 = 1.0186 Jy ! Component: 100 - total flux cleaned = 1.21312 Jy ! Total flux subtracted in 100 components = 1.21312 Jy ! Clean residual min=-0.066199 max=0.125531 Jy/beam ! Clean residual mean=-0.000479 rms=0.024554 Jy/beam ! Combined flux in latest and established models = 1.21312 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.21312 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291095Jy sigma=5.123374 ! Fit after self-cal, rms=0.290760Jy sigma=5.117749 ! Inverting map ! Your choice of large map pixels excluded 0.877% 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 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7371 mas, bmaj=1.991 mas, bpa=1.561 degrees ! Estimated noise=2.04237 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 = 0.149133 Jy ! Component: 100 - total flux cleaned = 0.210152 Jy ! Component: 150 - total flux cleaned = 0.235783 Jy ! Component: 200 - total flux cleaned = 0.244783 Jy ! Total flux subtracted in 200 components = 0.244783 Jy ! Clean residual min=-0.069939 max=0.172483 Jy/beam ! Clean residual mean=-0.000866 rms=0.029853 Jy/beam ! Combined flux in latest and established models = 1.45791 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 1.45791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272027Jy sigma=4.337130 ! Fit after self-cal, rms=0.271343Jy sigma=4.333145 ! Inverting map ! Your choice of large map pixels excluded 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Added new window around map position (1, 6.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.201123 Jy ! Component: 100 - total flux cleaned = 0.280979 Jy ! Component: 150 - total flux cleaned = 0.312267 Jy ! Component: 200 - total flux cleaned = 0.325104 Jy ! Total flux subtracted in 200 components = 0.325104 Jy ! Clean residual min=-0.059927 max=0.054133 Jy/beam ! Clean residual mean=-0.000186 rms=0.012767 Jy/beam ! Combined flux in latest and established models = 1.78301 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 61 components and 1.78301 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158641Jy sigma=2.266932 ! Fit after self-cal, rms=0.147652Jy sigma=2.033853 ! Inverting map ! Your choice of large map pixels excluded 0.877% 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: 0.98953 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.20 KP 0.97 ! LA 0.98 MK 0.96 NL 1.05 OV 0.99 ! PT 1.00* SC 0.98 ! ! ! 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: 0.985247 ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 1.11 KP 0.87 ! LA 0.99 MK 1.01 NL 1.03 OV 1.01 ! PT 1.00* SC 1.00 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.966354 ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 1.19 KP 0.91 ! LA 0.98 MK 1.03 NL 1.05 OV 1.01 ! PT 1.00* SC 1.03 ! ! ! Fit before self-cal, rms=0.147652Jy sigma=2.033853 ! Fit after self-cal, rms=0.115705Jy sigma=1.681188 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=0.115705Jy sigma=1.681188 ! Fit after self-cal, rms=0.115732Jy sigma=1.681146 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7388 mas, bmaj=1.993 mas, bpa=1.619 degrees ! Estimated noise=1.99788 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 = -0.00618921 Jy ! Component: 100 - total flux cleaned = -0.00280029 Jy ! Component: 150 - total flux cleaned = 5.30915e-06 Jy ! Component: 200 - total flux cleaned = 0.00132632 Jy ! Total flux subtracted in 200 components = 0.00132632 Jy ! Clean residual min=-0.015297 max=0.021610 Jy/beam ! Clean residual mean=-0.000021 rms=0.004557 Jy/beam ! Combined flux in latest and established models = 1.78434 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 70 components and 1.78434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108198Jy sigma=1.574898 ! Fit after self-cal, rms=0.108188Jy sigma=1.570573 ! Inverting map ! Your choice of large map pixels excluded 0.877% 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=0.108188Jy sigma=1.570573 ! Fit after self-cal, rms=0.106371Jy sigma=1.546510 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.877% 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) ! Added new window around map position (-22, -19.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0140666 Jy ! Component: 100 - total flux cleaned = 0.0164941 Jy ! Component: 150 - total flux cleaned = 0.0184626 Jy ! Component: 200 - total flux cleaned = 0.0201123 Jy ! Total flux subtracted in 200 components = 0.0201123 Jy ! Clean residual min=-0.014402 max=0.016439 Jy/beam ! Clean residual mean=-0.000010 rms=0.003903 Jy/beam ! Combined flux in latest and established models = 1.80445 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 88 components and 1.80445 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101204Jy sigma=1.468250 ! Fit after self-cal, rms=0.100669Jy sigma=1.456696 ! Inverting map ! Your choice of large map pixels excluded 0.877% 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: 0.7388 x 1.993 at 1.619 degrees (North through East) ! Clean map min=-0.010922 max=1.1727 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=0.100669Jy sigma=1.456696 ! Fit after self-cal, rms=0.081251Jy sigma=1.027375 ! 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=0.081251Jy sigma=1.027375 ! Fit after self-cal, rms=0.081172Jy sigma=1.026783 ! Inverting map and beam ! Your choice of large map pixels excluded 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7386 mas, bmaj=1.995 mas, bpa=1.669 degrees ! Estimated noise=2.00455 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00277766 Jy ! Component: 100 - total flux cleaned = -0.00302909 Jy ! Component: 150 - total flux cleaned = -0.00341273 Jy ! Component: 200 - total flux cleaned = -0.0035821 Jy ! Total flux subtracted in 200 components = -0.0035821 Jy ! Clean residual min=-0.009208 max=0.008448 Jy/beam ! Clean residual mean=-0.000005 rms=0.002493 Jy/beam ! Combined flux in latest and established models = 1.80087 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 101 components and 1.80087 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079800Jy sigma=1.006603 ! Fit after self-cal, rms=0.079714Jy sigma=1.005108 ! Inverting map ! Your choice of large map pixels excluded 0.877% 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=0.079714Jy sigma=1.005108 ! Fit after self-cal, rms=0.078558Jy sigma=0.984037 ! 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=0.078558Jy sigma=0.984037 ! Fit after self-cal, rms=0.078534Jy sigma=0.983994 ! Inverting map and beam ! Your choice of large map pixels excluded 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7394 mas, bmaj=1.996 mas, bpa=1.678 degrees ! Estimated noise=2.00477 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00109853 Jy ! Component: 100 - total flux cleaned = -0.00191948 Jy ! Component: 150 - total flux cleaned = -0.00163114 Jy ! Component: 200 - total flux cleaned = -0.0014983 Jy ! Total flux subtracted in 200 components = -0.0014983 Jy ! Clean residual min=-0.008723 max=0.008529 Jy/beam ! Clean residual mean=0.000001 rms=0.002382 Jy/beam ! Combined flux in latest and established models = 1.79937 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 109 components and 1.79937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077808Jy sigma=0.974579 ! Fit after self-cal, rms=0.077784Jy sigma=0.973983 ! Inverting map ! Your choice of large map pixels excluded 0.877% 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 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.155 mas, bmaj=5.691 mas, bpa=6.016 degrees ! Estimated noise=2.79175 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 = 0.0046441 Jy ! Component: 100 - total flux cleaned = 0.00476835 Jy ! Component: 150 - total flux cleaned = 0.00499983 Jy ! Component: 200 - total flux cleaned = 0.00521883 Jy ! Total flux subtracted in 200 components = 0.00521883 Jy ! Clean residual min=-0.009610 max=0.009990 Jy/beam ! Clean residual mean=0.000008 rms=0.003444 Jy/beam ! Combined flux in latest and established models = 1.80459 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 116 components and 1.80459 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077754Jy sigma=0.972781 ! Fit after self-cal, rms=0.077789Jy sigma=0.972202 ! Inverting map ! Your choice of large map pixels excluded 0.877% 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 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6448 mas, bmaj=1.704 mas, bpa=1.04 degrees ! Estimated noise=2.51465 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.01424 Jy ! Component: 100 - total flux cleaned = 1.22911 Jy ! Component: 150 - total flux cleaned = 1.36315 Jy ! Component: 200 - total flux cleaned = 1.45832 Jy ! Total flux subtracted in 200 components = 1.45832 Jy ! Clean residual min=-0.028568 max=0.045094 Jy/beam ! Clean residual mean=-0.000258 rms=0.011606 Jy/beam ! Combined flux in latest and established models = 1.45832 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 43 model components to the UV plane model. ! The established model now contains 43 components and 1.45832 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7394 mas, bmaj=1.996 mas, bpa=1.678 degrees ! Estimated noise=2.00477 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 = 0.110505 Jy ! Component: 100 - total flux cleaned = 0.180095 Jy ! Component: 150 - total flux cleaned = 0.226016 Jy ! Component: 200 - total flux cleaned = 0.257299 Jy ! Total flux subtracted in 200 components = 0.257299 Jy ! Clean residual min=-0.013947 max=0.016696 Jy/beam ! Clean residual mean=-0.000128 rms=0.005165 Jy/beam ! Combined flux in latest and established models = 1.71562 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 103 components and 1.71562 Jy ! Inverting map ! Your choice of large map pixels excluded 0.877% 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 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.155 mas, bmaj=5.691 mas, bpa=6.016 degrees ! Estimated noise=2.79175 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 = 0.0395034 Jy ! Component: 100 - total flux cleaned = 0.060736 Jy ! Component: 150 - total flux cleaned = 0.0735421 Jy ! Component: 200 - total flux cleaned = 0.0816122 Jy ! Total flux subtracted in 200 components = 0.0816122 Jy ! Clean residual min=-0.010147 max=0.010003 Jy/beam ! Clean residual mean=0.000002 rms=0.003725 Jy/beam ! Combined flux in latest and established models = 1.79723 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 133 components and 1.79723 Jy ! Inverting map ! Your choice of large map pixels excluded 0.877% 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 0.877% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7394 mas, bmaj=1.996 mas, bpa=1.678 degrees ! Estimated noise=2.00477 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000600456 Jy ! Component: 100 - total flux cleaned = -0.000598613 Jy ! Component: 150 - total flux cleaned = -0.000854545 Jy ! Component: 200 - total flux cleaned = -0.00107721 Jy ! Total flux subtracted in 200 components = -0.00107721 Jy ! Clean residual min=-0.010010 max=0.010748 Jy/beam ! Clean residual mean=0.000010 rms=0.002638 Jy/beam ! Combined flux in latest and established models = 1.79615 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 148 components and 1.79615 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077561Jy sigma=0.988356 ! Fit after self-cal, rms=0.077272Jy sigma=0.983049 wmodel J0453-2807_X_2004_05_08_yyk\_map.mod ! Writing 148 model components to file: J0453-2807_X_2004_05_08_yyk_map.mod wobs J0453-2807_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J0453-2807_X_2004_05_08_yyk_uvs.fits wwins J0453-2807_X_2004_05_08_yyk\_map.win ! wwins: Wrote 3 windows to J0453-2807_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 0.877% 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 = 0.0017339 Jy ! Component: 100 - total flux cleaned = 0.00158351 Jy ! Component: 150 - total flux cleaned = 0.00144596 Jy ! Component: 200 - total flux cleaned = 0.00131389 Jy ! Component: 250 - total flux cleaned = 0.000942586 Jy ! Component: 300 - total flux cleaned = 0.00106189 Jy ! Component: 350 - total flux cleaned = 0.00117372 Jy ! Component: 400 - total flux cleaned = 0.00138356 Jy ! Component: 450 - total flux cleaned = 0.00168247 Jy ! Component: 500 - total flux cleaned = 0.00187027 Jy ! Component: 550 - total flux cleaned = 0.00232361 Jy ! Component: 600 - total flux cleaned = 0.00223638 Jy ! Component: 650 - total flux cleaned = 0.00274493 Jy ! Component: 700 - total flux cleaned = 0.00307004 Jy ! Component: 750 - total flux cleaned = 0.00322762 Jy ! Component: 800 - total flux cleaned = 0.00307709 Jy ! Component: 850 - total flux cleaned = 0.00300719 Jy ! Component: 900 - total flux cleaned = 0.00307756 Jy ! Component: 950 - total flux cleaned = 0.00307577 Jy ! Component: 1000 - total flux cleaned = 0.00334395 Jy ! Component: 1050 - total flux cleaned = 0.00373677 Jy ! Component: 1100 - total flux cleaned = 0.00411807 Jy ! Component: 1150 - total flux cleaned = 0.00417931 Jy ! Component: 1200 - total flux cleaned = 0.00435968 Jy ! Component: 1250 - total flux cleaned = 0.00453649 Jy ! Component: 1300 - total flux cleaned = 0.00470927 Jy ! Component: 1350 - total flux cleaned = 0.00476493 Jy ! Component: 1400 - total flux cleaned = 0.00482201 Jy ! Component: 1450 - total flux cleaned = 0.00504003 Jy ! Component: 1500 - total flux cleaned = 0.0053581 Jy ! Component: 1550 - total flux cleaned = 0.00556596 Jy ! Component: 1600 - total flux cleaned = 0.00592123 Jy ! Component: 1650 - total flux cleaned = 0.00612149 Jy ! Component: 1700 - total flux cleaned = 0.0064152 Jy ! Component: 1750 - total flux cleaned = 0.00656008 Jy ! Component: 1800 - total flux cleaned = 0.00675043 Jy ! Component: 1850 - total flux cleaned = 0.00707435 Jy ! Component: 1900 - total flux cleaned = 0.00720909 Jy ! Component: 1950 - total flux cleaned = 0.00734263 Jy ! Component: 2000 - total flux cleaned = 0.00764941 Jy ! Total flux subtracted in 2048 components = 0.00782224 Jy ! Clean residual min=-0.002488 max=0.002381 Jy/beam ! Clean residual mean=0.000014 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 1.80397 Jy keep ! Adding 142 model components to the UV plane model. ! The established model now contains 290 components and 1.80397 Jy ![Exited script file: muppet] wmap "J0453-2807_X_2004_05_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.877% 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: 0.7394 x 1.996 at 1.678 degrees (North through East) ! Clean map min=-0.0059388 max=1.2012 Jy/beam ! Writing clean map to FITS file: J0453-2807_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 1.20117 invert ! Inverting map ! Your choice of large map pixels excluded 0.877% 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 0.000795302 device "J0453-2807_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0453-2807_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.198631 0.198631 0.397263 0.794525 1.58905 3.1781 6.3562 12.7124 25.4248 50.8496 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.201 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7394 x 1.996 at 1.678 degrees (North through East) ! Clean map min=-0.0059388 max=1.2012 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0453-2807_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0453-2807_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0453-2807_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:00:03 2005