! Started logfile: J0258-3909_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:46:49 2007 obs J0258-3909_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0258-3909_X_2002_01_31_yyk_uva.fits ! AN table 1: 36 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.593827 visibilities/baseline/integration-bin. ! Found source: J0258-3909 ! ! 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 1544 lines of history. ! ! Reading 3848 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 flag NL ! Flagging baselines of antenna 1:NL in the currently selected channels. ![@muppet J0258-3909_X_2002_01_31_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)= 0.332036 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 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6212 mas, bmaj=1.742 mas, bpa=2.877 degrees ! Estimated noise=3694.07 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 = 0.233512 Jy ! Component: 100 - total flux cleaned = 0.293895 Jy ! Total flux subtracted in 100 components = 0.293895 Jy ! Clean residual min=-0.023339 max=0.027199 Jy/beam ! Clean residual mean=0.000191 rms=0.006786 Jy/beam ! Combined flux in latest and established models = 0.293895 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.293895 Jy ! ! Correcting IF 1. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.170733Jy sigma=0.001296 ! Fit after self-cal, rms=0.170376Jy sigma=0.001294 ! Inverting map and beam ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6212 mas, bmaj=1.742 mas, bpa=2.877 degrees ! Estimated noise=3694.07 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 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8218 mas, bmaj=2.176 mas, bpa=0.9832 degrees ! Estimated noise=1647.07 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 = 0.0361907 Jy ! Component: 100 - total flux cleaned = 0.0474881 Jy ! Component: 150 - total flux cleaned = 0.0509646 Jy ! Component: 200 - total flux cleaned = 0.0511181 Jy ! Total flux subtracted in 200 components = 0.0511181 Jy ! Clean residual min=-0.021279 max=0.014314 Jy/beam ! Clean residual mean=0.000639 rms=0.005523 Jy/beam ! Combined flux in latest and established models = 0.345013 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 28 components and 0.345013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166035Jy sigma=0.001254 ! Fit after self-cal, rms=0.166003Jy sigma=0.001254 ! Inverting map ! Your choice of large map pixels excluded 1.13% 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 ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8218 x 2.176 at 0.9832 degrees (North through East) ! Clean map min=-0.019377 max=0.28288 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: 1.01302 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 HN 1.00* KP 1.00 ! LA 1.11 MK 0.99 NL 1.00* OV 0.97 ! PT 0.95 SC 0.94 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01955 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 HN 1.00* KP 0.93 ! LA 1.06 MK 0.97 NL 1.00* OV 0.91 ! PT 1.03 SC 1.00 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.992684 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.85 HN 1.00* KP 0.99 ! LA 1.14 MK 0.93 NL 1.00* OV 0.96 ! PT 1.13 SC 1.08 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.958894 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.82 HN 1.00* KP 1.13 ! LA 1.19 MK 1.13 NL 1.00* OV 0.99 ! PT 1.16 SC 1.02 ! ! ! Fit before self-cal, rms=0.166003Jy sigma=0.001254 ! Fit after self-cal, rms=0.164014Jy sigma=0.001222 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=0.164014Jy sigma=0.001222 ! Fit after self-cal, rms=0.164017Jy sigma=0.001222 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8211 mas, bmaj=2.19 mas, bpa=0.7041 degrees ! Estimated noise=1628.08 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 = -0.000824136 Jy ! Component: 100 - total flux cleaned = -0.000893883 Jy ! Component: 150 - total flux cleaned = -0.00100411 Jy ! Component: 200 - total flux cleaned = -0.00105224 Jy ! Total flux subtracted in 200 components = -0.00105224 Jy ! Clean residual min=-0.008823 max=0.010657 Jy/beam ! Clean residual mean=0.000132 rms=0.002369 Jy/beam ! Combined flux in latest and established models = 0.343961 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 34 components and 0.343961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163983Jy sigma=0.001222 ! Fit after self-cal, rms=0.163972Jy sigma=0.001221 ! Inverting map ! Your choice of large map pixels excluded 1.13% 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=0.163972Jy sigma=0.001221 ! Fit after self-cal, rms=0.161023Jy sigma=0.001198 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.13% 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 = 0.000326831 Jy ! Component: 100 - total flux cleaned = 0.000469547 Jy ! Component: 150 - total flux cleaned = 0.000471118 Jy ! Component: 200 - total flux cleaned = 0.00047662 Jy ! Total flux subtracted in 200 components = 0.00047662 Jy ! Clean residual min=-0.009181 max=0.010542 Jy/beam ! Clean residual mean=0.000136 rms=0.002373 Jy/beam ! Combined flux in latest and established models = 0.344438 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 36 components and 0.344438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160992Jy sigma=0.001198 ! Fit after self-cal, rms=0.160683Jy sigma=0.001195 ! Inverting map ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Added new window around map position (-3.2, -2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00849282 Jy ! Component: 100 - total flux cleaned = 0.00894112 Jy ! Component: 150 - total flux cleaned = 0.00893924 Jy ! Component: 200 - total flux cleaned = 0.00885179 Jy ! Total flux subtracted in 200 components = 0.00885179 Jy ! Clean residual min=-0.007626 max=0.007176 Jy/beam ! Clean residual mean=0.000164 rms=0.002009 Jy/beam ! Combined flux in latest and established models = 0.353289 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 48 components and 0.353289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160175Jy sigma=0.001192 ! Fit after self-cal, rms=0.160134Jy sigma=0.001191 ! Inverting map ! Your choice of large map pixels excluded 1.13% 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: 0.8211 x 2.19 at 0.7041 degrees (North through East) ! Clean map min=-0.0068903 max=0.28626 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=0.160134Jy sigma=0.001191 ! Fit after self-cal, rms=0.161812Jy sigma=0.001186 ! 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=0.161812Jy sigma=0.001186 ! Fit after self-cal, rms=0.161819Jy sigma=0.001186 ! Inverting map and beam ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.8117 mas, bmaj=2.177 mas, bpa=0.5374 degrees ! Estimated noise=1618.93 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00230353 Jy ! Component: 100 - total flux cleaned = 0.00226068 Jy ! Component: 150 - total flux cleaned = 0.00216328 Jy ! Component: 200 - total flux cleaned = 0.00202621 Jy ! Total flux subtracted in 200 components = 0.00202621 Jy ! Clean residual min=-0.007327 max=0.005622 Jy/beam ! Clean residual mean=0.000143 rms=0.001819 Jy/beam ! Combined flux in latest and established models = 0.355316 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 64 components and 0.355316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161774Jy sigma=0.001186 ! Fit after self-cal, rms=0.161779Jy sigma=0.001186 ! Inverting map ! Your choice of large map pixels excluded 1.13% 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=0.161779Jy sigma=0.001186 ! Fit after self-cal, rms=0.161602Jy sigma=0.001182 ! 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=0.161602Jy sigma=0.001182 ! Fit after self-cal, rms=0.161607Jy sigma=0.001182 ! Inverting map and beam ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.809 mas, bmaj=2.172 mas, bpa=0.3459 degrees ! Estimated noise=1617.19 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105934 Jy ! Component: 100 - total flux cleaned = 0.0012611 Jy ! Component: 150 - total flux cleaned = 0.00126128 Jy ! Component: 200 - total flux cleaned = 0.00130478 Jy ! Total flux subtracted in 200 components = 0.00130478 Jy ! Clean residual min=-0.007155 max=0.005578 Jy/beam ! Clean residual mean=0.000133 rms=0.001773 Jy/beam ! Combined flux in latest and established models = 0.35662 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 68 components and 0.35662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161581Jy sigma=0.001181 ! Fit after self-cal, rms=0.161582Jy sigma=0.001181 ! Inverting map ! Your choice of large map pixels excluded 1.13% 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 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.995 mas, bmaj=11.06 mas, bpa=4.065 degrees ! Estimated noise=2126.31 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 = 0.000481622 Jy ! Component: 100 - total flux cleaned = 0.00036206 Jy ! Component: 150 - total flux cleaned = 0.000319907 Jy ! Component: 200 - total flux cleaned = 0.000281042 Jy ! Total flux subtracted in 200 components = 0.000281042 Jy ! Clean residual min=-0.006350 max=0.006618 Jy/beam ! Clean residual mean=0.000247 rms=0.002339 Jy/beam ! Combined flux in latest and established models = 0.356901 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 72 components and 0.356901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161580Jy sigma=0.001181 ! Fit after self-cal, rms=0.161582Jy sigma=0.001181 ! Inverting map ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 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 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6188 mas, bmaj=1.748 mas, bpa=2.947 degrees ! Estimated noise=3622.37 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.232325 Jy ! Component: 100 - total flux cleaned = 0.291175 Jy ! Component: 150 - total flux cleaned = 0.318969 Jy ! Component: 200 - total flux cleaned = 0.334512 Jy ! Total flux subtracted in 200 components = 0.334512 Jy ! Clean residual min=-0.011790 max=0.010555 Jy/beam ! Clean residual mean=0.000048 rms=0.003215 Jy/beam ! Combined flux in latest and established models = 0.334512 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.334512 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.809 mas, bmaj=2.172 mas, bpa=0.3459 degrees ! Estimated noise=1617.19 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) ! Added new window around map position (-0.8, 0.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0149555 Jy ! Component: 100 - total flux cleaned = 0.0204222 Jy ! Component: 150 - total flux cleaned = 0.0215598 Jy ! Component: 200 - total flux cleaned = 0.0223472 Jy ! Total flux subtracted in 200 components = 0.0223472 Jy ! Clean residual min=-0.007052 max=0.005827 Jy/beam ! Clean residual mean=0.000136 rms=0.001787 Jy/beam ! Combined flux in latest and established models = 0.356859 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 48 components and 0.356859 Jy ! Inverting map ! Your choice of large map pixels excluded 1.13% 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 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=2.995 mas, bmaj=11.06 mas, bpa=4.065 degrees ! Estimated noise=2126.31 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 = 0.000806585 Jy ! Component: 100 - total flux cleaned = 0.000842701 Jy ! Component: 150 - total flux cleaned = 0.000841051 Jy ! Component: 200 - total flux cleaned = 0.000843293 Jy ! Total flux subtracted in 200 components = 0.000843293 Jy ! Clean residual min=-0.005672 max=0.006343 Jy/beam ! Clean residual mean=0.000253 rms=0.002325 Jy/beam ! Combined flux in latest and established models = 0.357702 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 55 components and 0.357702 Jy ! Inverting map ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.13% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.809 mas, bmaj=2.172 mas, bpa=0.3459 degrees ! Estimated noise=1617.19 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 7.25534e-05 Jy ! Component: 100 - total flux cleaned = 2.01306e-06 Jy ! Component: 150 - total flux cleaned = 5.45955e-07 Jy ! Component: 200 - total flux cleaned = 6.48779e-08 Jy ! Total flux subtracted in 200 components = 6.48779e-08 Jy ! Clean residual min=-0.006642 max=0.005755 Jy/beam ! Clean residual mean=0.000137 rms=0.001748 Jy/beam ! Combined flux in latest and established models = 0.357702 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 60 components and 0.357702 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161644Jy sigma=0.001181 ! Fit after self-cal, rms=0.161640Jy sigma=0.001181 wmodel J0258-3909_X_2002_01_31_yyk\_map.mod ! Writing 60 model components to file: J0258-3909_X_2002_01_31_yyk_map.mod wobs J0258-3909_X_2002_01_31_yyk\_uvs.fits ! Applying 36 buffered edits. ! Writing UV FITS file: J0258-3909_X_2002_01_31_yyk_uvs.fits wwins J0258-3909_X_2002_01_31_yyk\_map.win ! wwins: Wrote 3 windows to J0258-3909_X_2002_01_31_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 1.13% 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 = -0.00130786 Jy ! Component: 100 - total flux cleaned = -0.00169254 Jy ! Component: 150 - total flux cleaned = -0.00160657 Jy ! Component: 200 - total flux cleaned = -0.0015326 Jy ! Component: 250 - total flux cleaned = -0.00118109 Jy ! Component: 300 - total flux cleaned = -0.000728943 Jy ! Component: 350 - total flux cleaned = -0.0006637 Jy ! Component: 400 - total flux cleaned = -0.000659304 Jy ! Component: 450 - total flux cleaned = -0.000823603 Jy ! Component: 500 - total flux cleaned = -0.00130357 Jy ! Component: 550 - total flux cleaned = -0.00166387 Jy ! Component: 600 - total flux cleaned = -0.00206367 Jy ! Component: 650 - total flux cleaned = -0.00245223 Jy ! Component: 700 - total flux cleaned = -0.00268829 Jy ! Component: 750 - total flux cleaned = -0.00278065 Jy ! Component: 800 - total flux cleaned = -0.00305196 Jy ! Component: 850 - total flux cleaned = -0.0031398 Jy ! Component: 900 - total flux cleaned = -0.00331295 Jy ! Component: 950 - total flux cleaned = -0.00352626 Jy ! Component: 1000 - total flux cleaned = -0.00385979 Jy ! Component: 1050 - total flux cleaned = -0.00406361 Jy ! Component: 1100 - total flux cleaned = -0.00430443 Jy ! Component: 1150 - total flux cleaned = -0.00450132 Jy ! Component: 1200 - total flux cleaned = -0.0046181 Jy ! Component: 1250 - total flux cleaned = -0.00461779 Jy ! Component: 1300 - total flux cleaned = -0.004542 Jy ! Component: 1350 - total flux cleaned = -0.00439259 Jy ! Component: 1400 - total flux cleaned = -0.00435549 Jy ! Component: 1450 - total flux cleaned = -0.00428221 Jy ! Component: 1500 - total flux cleaned = -0.00413653 Jy ! Component: 1550 - total flux cleaned = -0.00406401 Jy ! Component: 1600 - total flux cleaned = -0.00388299 Jy ! Component: 1650 - total flux cleaned = -0.00377448 Jy ! Component: 1700 - total flux cleaned = -0.00366582 Jy ! Component: 1750 - total flux cleaned = -0.00352097 Jy ! Component: 1800 - total flux cleaned = -0.00330288 Jy ! Component: 1850 - total flux cleaned = -0.00312085 Jy ! Component: 1900 - total flux cleaned = -0.00293757 Jy ! Component: 1950 - total flux cleaned = -0.00279005 Jy ! Component: 2000 - total flux cleaned = -0.00260527 Jy ! Total flux subtracted in 2048 components = -0.00241835 Jy ! Clean residual min=-0.001970 max=0.002460 Jy/beam ! Clean residual mean=0.000038 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.355284 Jy keep ! Adding 102 model components to the UV plane model. ! The established model now contains 162 components and 0.355284 Jy ![Exited script file: muppet] wmap "J0258-3909_X_2002_01_31_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.13% 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: 0.809 x 2.172 at 0.3459 degrees (North through East) ! Clean map min=-0.0043511 max=0.27848 Jy/beam ! Writing clean map to FITS file: J0258-3909_X_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.278482 invert ! Inverting map ! Your choice of large map pixels excluded 1.13% 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 0.000684618 device "J0258-3909_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0258-3909_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.737517 0.737517 1.47503 2.95007 5.90013 11.8003 23.6005 47.2011 94.4021 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.278 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.809 x 2.172 at 0.3459 degrees (North through East) ! Clean map min=-0.0043511 max=0.27848 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0258-3909_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0258-3909_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0258-3909_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:46:55 2007