! Started logfile: J1802-3940_X_2002_05_14_yyk_uvs.log on Tue Jun 26 23:03:53 2007 obs J1802-3940_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J1802-3940_X_2002_05_14_yyk_uva.fits ! AN table 1: 50 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.542222 visibilities/baseline/integration-bin. ! Found source: J1802-3940 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1076 lines of history. ! ! Reading 4880 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 J1802-3940_X_2002_05_14_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)= 1.68443 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 0.656% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.6134 mas, bmaj=1.782 mas, bpa=-4.19 degrees ! Estimated noise=2368.34 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 = 1.29106 Jy ! Component: 100 - total flux cleaned = 1.52442 Jy ! Total flux subtracted in 100 components = 1.52442 Jy ! Clean residual min=-0.077394 max=0.109777 Jy/beam ! Clean residual mean=-0.000071 rms=0.022550 Jy/beam ! Combined flux in latest and established models = 1.52442 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.52442 Jy ! ! Correcting IF 1. ! A total of 134 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 134 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 134 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 134 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.587932Jy sigma=0.004067 ! Fit after self-cal, rms=0.587484Jy sigma=0.004064 ! Inverting map and beam ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.6134 mas, bmaj=1.782 mas, bpa=-4.19 degrees ! Estimated noise=2369.17 mJy/beam. 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 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8429 mas, bmaj=2.283 mas, bpa=-6.426 degrees ! Estimated noise=1463.7 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 = 0.18717 Jy ! Component: 100 - total flux cleaned = 0.246765 Jy ! Component: 150 - total flux cleaned = 0.265872 Jy ! Component: 200 - total flux cleaned = 0.270128 Jy ! Total flux subtracted in 200 components = 0.270128 Jy ! Clean residual min=-0.084334 max=0.095348 Jy/beam ! Clean residual mean=0.000889 rms=0.023512 Jy/beam ! Combined flux in latest and established models = 1.79455 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 28 components and 1.79455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.561594Jy sigma=0.003806 ! Fit after self-cal, rms=0.561563Jy sigma=0.003806 ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8429 x 2.283 at -6.426 degrees (North through East) ! Clean map min=-0.079489 max=1.5492 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 0.978807 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 HN 1.00* KP 0.89 ! LA 1.09 NL 1.32 OV 1.01 PT 0.95 ! SC 1.00 MK 1.00 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.995676 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 HN 1.00* KP 0.85 ! LA 1.04 NL 1.28 OV 0.98 PT 0.99 ! SC 0.99 MK 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.990526 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 HN 1.00* KP 0.86 ! LA 1.06 NL 1.26 OV 1.00 PT 1.01 ! SC 1.01 MK 1.00 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.968443 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 HN 1.00* KP 0.93 ! LA 1.05 NL 1.31 OV 1.04 PT 1.08 ! SC 1.02 MK 1.00 ! ! ! Fit before self-cal, rms=0.561563Jy sigma=0.003806 ! Fit after self-cal, rms=0.535898Jy sigma=0.003542 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=0.535898Jy sigma=0.003542 ! Fit after self-cal, rms=0.535964Jy sigma=0.003542 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8503 mas, bmaj=2.293 mas, bpa=-6.414 degrees ! Estimated noise=1409 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 = -0.045591 Jy ! Component: 100 - total flux cleaned = -0.0521618 Jy ! Component: 150 - total flux cleaned = -0.0530268 Jy ! Component: 200 - total flux cleaned = -0.053713 Jy ! Total flux subtracted in 200 components = -0.053713 Jy ! Clean residual min=-0.016449 max=0.027623 Jy/beam ! Clean residual mean=-0.000091 rms=0.005467 Jy/beam ! Combined flux in latest and established models = 1.74084 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 33 components and 1.74084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.533245Jy sigma=0.003521 ! Fit after self-cal, rms=0.533244Jy sigma=0.003521 ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Added new window around map position (-2, 6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.017611 Jy ! Component: 100 - total flux cleaned = 0.0143144 Jy ! Component: 150 - total flux cleaned = 0.0118717 Jy ! Component: 200 - total flux cleaned = 0.0112164 Jy ! Total flux subtracted in 200 components = 0.0112164 Jy ! Clean residual min=-0.014293 max=0.015761 Jy/beam ! Clean residual mean=-0.000042 rms=0.004434 Jy/beam ! Combined flux in latest and established models = 1.75205 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 1.75205 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.531563Jy sigma=0.003512 ! Fit after self-cal, rms=0.531524Jy sigma=0.003512 ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.531524Jy sigma=0.003512 ! Fit after self-cal, rms=0.278133Jy sigma=0.001821 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 = 0.0535558 Jy ! Component: 100 - total flux cleaned = 0.0706411 Jy ! Component: 150 - total flux cleaned = 0.0754543 Jy ! Component: 200 - total flux cleaned = 0.0761623 Jy ! Total flux subtracted in 200 components = 0.0761623 Jy ! Clean residual min=-0.027965 max=0.025127 Jy/beam ! Clean residual mean=-0.001018 rms=0.009899 Jy/beam ! Combined flux in latest and established models = 1.82822 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 65 components and 1.82822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269128Jy sigma=0.001766 ! Fit after self-cal, rms=0.253500Jy sigma=0.001656 ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 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: 0.8503 x 2.293 at -6.414 degrees (North through East) ! Clean map min=-0.028224 max=1.5581 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=0.253500Jy sigma=0.001656 ! Fit after self-cal, rms=0.236076Jy sigma=0.001566 ! 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=0.236076Jy sigma=0.001566 ! Fit after self-cal, rms=0.234346Jy sigma=0.001553 ! Inverting map and beam ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8472 mas, bmaj=2.287 mas, bpa=-6.456 degrees ! Estimated noise=1403.13 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00189905 Jy ! Component: 100 - total flux cleaned = -0.00251718 Jy ! Component: 150 - total flux cleaned = -0.00315391 Jy ! Component: 200 - total flux cleaned = -0.00370819 Jy ! Total flux subtracted in 200 components = -0.00370819 Jy ! Clean residual min=-0.009063 max=0.011444 Jy/beam ! Clean residual mean=-0.000055 rms=0.003075 Jy/beam ! Combined flux in latest and established models = 1.82451 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 75 components and 1.82451 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234037Jy sigma=0.001551 ! Fit after self-cal, rms=0.233624Jy sigma=0.001548 ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.233624Jy sigma=0.001548 ! Fit after self-cal, rms=0.233076Jy sigma=0.001545 ! 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=0.233076Jy sigma=0.001545 ! Fit after self-cal, rms=0.232963Jy sigma=0.001545 ! Inverting map and beam ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8467 mas, bmaj=2.287 mas, bpa=-6.485 degrees ! Estimated noise=1403.07 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 4.70132e-05 Jy ! Component: 100 - total flux cleaned = -0.000347522 Jy ! Component: 150 - total flux cleaned = -0.000680628 Jy ! Component: 200 - total flux cleaned = -0.00077948 Jy ! Total flux subtracted in 200 components = -0.00077948 Jy ! Clean residual min=-0.008797 max=0.010585 Jy/beam ! Clean residual mean=-0.000064 rms=0.002956 Jy/beam ! Combined flux in latest and established models = 1.82373 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 81 components and 1.82373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232842Jy sigma=0.001544 ! Fit after self-cal, rms=0.232796Jy sigma=0.001544 ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.915 mas, bmaj=11.15 mas, bpa=-1.111 degrees ! Estimated noise=1798.32 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 = -0.000510287 Jy ! Component: 100 - total flux cleaned = -0.000659623 Jy ! Component: 150 - total flux cleaned = -0.000914237 Jy ! Component: 200 - total flux cleaned = -0.00113258 Jy ! Total flux subtracted in 200 components = -0.00113258 Jy ! Clean residual min=-0.008840 max=0.014135 Jy/beam ! Clean residual mean=-0.000158 rms=0.004402 Jy/beam ! Combined flux in latest and established models = 1.8226 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 84 components and 1.8226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232779Jy sigma=0.001544 ! Fit after self-cal, rms=0.232760Jy sigma=0.001544 ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.611 mas, bmaj=1.774 mas, bpa=-4.124 degrees ! Estimated noise=2293.34 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.29803 Jy ! Component: 100 - total flux cleaned = 1.54605 Jy ! Component: 150 - total flux cleaned = 1.66227 Jy ! Component: 200 - total flux cleaned = 1.72536 Jy ! Total flux subtracted in 200 components = 1.72536 Jy ! Clean residual min=-0.018107 max=0.024152 Jy/beam ! Clean residual mean=-0.000115 rms=0.005646 Jy/beam ! Combined flux in latest and established models = 1.72536 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 30 model components to the UV plane model. ! The established model now contains 30 components and 1.72536 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8467 mas, bmaj=2.287 mas, bpa=-6.485 degrees ! Estimated noise=1403.07 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 = 0.0593316 Jy ! Component: 100 - total flux cleaned = 0.0830475 Jy ! Component: 150 - total flux cleaned = 0.0934688 Jy ! Component: 200 - total flux cleaned = 0.095064 Jy ! Total flux subtracted in 200 components = 0.095064 Jy ! Clean residual min=-0.010487 max=0.014532 Jy/beam ! Clean residual mean=-0.000065 rms=0.003628 Jy/beam ! Combined flux in latest and established models = 1.82043 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 56 components and 1.82043 Jy ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.915 mas, bmaj=11.15 mas, bpa=-1.111 degrees ! Estimated noise=1798.32 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 = 0.000494797 Jy ! Component: 100 - total flux cleaned = 0.000178585 Jy ! Component: 150 - total flux cleaned = 0.000168348 Jy ! Component: 200 - total flux cleaned = -5.96092e-05 Jy ! Total flux subtracted in 200 components = -5.96092e-05 Jy ! Clean residual min=-0.012060 max=0.016639 Jy/beam ! Clean residual mean=-0.000171 rms=0.004909 Jy/beam ! Combined flux in latest and established models = 1.82037 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 61 components and 1.82037 Jy ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8467 mas, bmaj=2.287 mas, bpa=-6.485 degrees ! Estimated noise=1403.07 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000138239 Jy ! Component: 100 - total flux cleaned = -0.000904274 Jy ! Component: 150 - total flux cleaned = -0.00108428 Jy ! Component: 200 - total flux cleaned = -0.00139356 Jy ! Total flux subtracted in 200 components = -0.00139356 Jy ! Clean residual min=-0.008212 max=0.012982 Jy/beam ! Clean residual mean=-0.000105 rms=0.003090 Jy/beam ! Combined flux in latest and established models = 1.81897 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 77 components and 1.81897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232939Jy sigma=0.001544 ! Fit after self-cal, rms=0.232860Jy sigma=0.001544 wmodel J1802-3940_X_2002_05_14_yyk\_map.mod ! Writing 77 model components to file: J1802-3940_X_2002_05_14_yyk_map.mod wobs J1802-3940_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J1802-3940_X_2002_05_14_yyk_uvs.fits wwins J1802-3940_X_2002_05_14_yyk\_map.win ! wwins: Wrote 2 windows to J1802-3940_X_2002_05_14_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 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00512688 Jy ! Component: 100 - total flux cleaned = 0.00576169 Jy ! Component: 150 - total flux cleaned = 0.00551124 Jy ! Component: 200 - total flux cleaned = 0.0055135 Jy ! Component: 250 - total flux cleaned = 0.00497707 Jy ! Component: 300 - total flux cleaned = 0.0043681 Jy ! Component: 350 - total flux cleaned = 0.00388618 Jy ! Component: 400 - total flux cleaned = 0.00333576 Jy ! Component: 450 - total flux cleaned = 0.00306891 Jy ! Component: 500 - total flux cleaned = 0.00289968 Jy ! Component: 550 - total flux cleaned = 0.00273801 Jy ! Component: 600 - total flux cleaned = 0.00243187 Jy ! Component: 650 - total flux cleaned = 0.00214044 Jy ! Component: 700 - total flux cleaned = 0.00207158 Jy ! Component: 750 - total flux cleaned = 0.00186787 Jy ! Component: 800 - total flux cleaned = 0.00160654 Jy ! Component: 850 - total flux cleaned = 0.0014169 Jy ! Component: 900 - total flux cleaned = 0.00123478 Jy ! Component: 950 - total flux cleaned = 0.00117497 Jy ! Component: 1000 - total flux cleaned = 0.000887953 Jy ! Component: 1050 - total flux cleaned = 0.000722732 Jy ! Component: 1100 - total flux cleaned = 0.000561146 Jy ! Component: 1150 - total flux cleaned = 0.000508379 Jy ! Component: 1200 - total flux cleaned = 0.000558875 Jy ! Component: 1250 - total flux cleaned = 0.000409354 Jy ! Component: 1300 - total flux cleaned = 0.000555187 Jy ! Component: 1350 - total flux cleaned = 0.000650174 Jy ! Component: 1400 - total flux cleaned = 0.000790684 Jy ! Component: 1450 - total flux cleaned = 0.000882289 Jy ! Component: 1500 - total flux cleaned = 0.000927657 Jy ! Component: 1550 - total flux cleaned = 0.000928683 Jy ! Component: 1600 - total flux cleaned = 0.000929005 Jy ! Component: 1650 - total flux cleaned = 0.000843569 Jy ! Component: 1700 - total flux cleaned = 0.000802139 Jy ! Component: 1750 - total flux cleaned = 0.000926979 Jy ! Component: 1800 - total flux cleaned = 0.000845108 Jy ! Component: 1850 - total flux cleaned = 0.000885384 Jy ! Component: 1900 - total flux cleaned = 0.000725552 Jy ! Component: 1950 - total flux cleaned = 0.00052853 Jy ! Component: 2000 - total flux cleaned = 0.000490188 Jy ! Total flux subtracted in 2048 components = 0.00041322 Jy ! Clean residual min=-0.002233 max=0.002361 Jy/beam ! Clean residual mean=-0.000024 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 1.81939 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 217 components and 1.81939 Jy ![Exited script file: muppet] wmap "J1802-3940_X_2002_05_14_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8467 x 2.287 at -6.485 degrees (North through East) ! Clean map min=-0.011378 max=1.5632 Jy/beam ! Writing clean map to FITS file: J1802-3940_X_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.56321 invert ! Inverting map ! Your choice of large map pixels excluded 0.657% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000720481 device "J1802-3940_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J1802-3940_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.13827 0.13827 0.27654 0.55308 1.10616 2.21232 4.42464 8.84928 17.6986 35.3971 70.7942 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.563 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8467 x 2.287 at -6.485 degrees (North through East) ! Clean map min=-0.011378 max=1.5632 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1802-3940_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J1802-3940_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1802-3940_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 23:03:59 2007