! Started logfile: J1802-3940_X_2002_01_31_yyk_uvs.log on Wed Jun 27 11:01:01 2007 obs J1802-3940_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J1802-3940_X_2002_01_31_yyk_uva.fits ! AN table 1: 40 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.574444 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 1544 lines of history. ! ! Reading 4136 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 J1802-3940_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)= 1.39932 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 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6298 mas, bmaj=1.694 mas, bpa=1.223 degrees ! Estimated noise=2177.98 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 = 1.13427 Jy ! Component: 100 - total flux cleaned = 1.31353 Jy ! Total flux subtracted in 100 components = 1.31353 Jy ! Clean residual min=-0.078547 max=0.085124 Jy/beam ! Clean residual mean=0.000661 rms=0.020325 Jy/beam ! Combined flux in latest and established models = 1.31353 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 1.31353 Jy ! ! Correcting IF 1. ! A total of 136 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 136 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 136 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 136 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.333309Jy sigma=0.002532 ! Fit after self-cal, rms=0.332783Jy sigma=0.002528 ! Inverting map and beam ! Your choice of large map pixels excluded 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6298 mas, bmaj=1.694 mas, bpa=1.223 degrees ! Estimated noise=2177.98 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 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7871 mas, bmaj=2.105 mas, bpa=-0.2767 degrees ! Estimated noise=1614.74 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 = 0.116102 Jy ! Component: 100 - total flux cleaned = 0.154977 Jy ! Component: 150 - total flux cleaned = 0.16809 Jy ! Component: 200 - total flux cleaned = 0.17004 Jy ! Total flux subtracted in 200 components = 0.17004 Jy ! Clean residual min=-0.071878 max=0.059991 Jy/beam ! Clean residual mean=0.002357 rms=0.020035 Jy/beam ! Combined flux in latest and established models = 1.48357 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 23 components and 1.48357 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.306126Jy sigma=0.002317 ! Fit after self-cal, rms=0.305909Jy sigma=0.002316 ! Inverting map ! Your choice of large map pixels excluded 1.07% 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: 0.7871 x 2.105 at -0.2767 degrees (North through East) ! Clean map min=-0.06529 max=1.3481 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: 1.00008 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 HN 1.00* KP 0.97 ! LA 1.15 MK 1.00 NL 1.00* OV 0.98 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01113 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 HN 1.00* KP 0.91 ! LA 1.13 MK 0.99 NL 1.00* OV 0.95 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.995885 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.87 HN 1.00* KP 0.94 ! LA 1.14 MK 1.02 NL 1.00* OV 0.99 ! PT 1.05 SC 1.03 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.986375 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.86 HN 1.00* KP 1.02 ! LA 1.14 MK 1.01 NL 1.00* OV 1.00 ! PT 1.12 SC 0.99 ! ! ! Fit before self-cal, rms=0.305909Jy sigma=0.002316 ! Fit after self-cal, rms=0.271737Jy sigma=0.002042 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=0.271737Jy sigma=0.002042 ! Fit after self-cal, rms=0.271610Jy sigma=0.002042 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7911 mas, bmaj=2.122 mas, bpa=-0.2755 degrees ! Estimated noise=1606.23 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 = -0.00181113 Jy ! Component: 100 - total flux cleaned = -0.00221725 Jy ! Component: 150 - total flux cleaned = -0.00241041 Jy ! Component: 200 - total flux cleaned = -0.00258718 Jy ! Total flux subtracted in 200 components = -0.00258718 Jy ! Clean residual min=-0.019458 max=0.028886 Jy/beam ! Clean residual mean=0.000017 rms=0.006135 Jy/beam ! Combined flux in latest and established models = 1.48098 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 27 components and 1.48098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271433Jy sigma=0.002040 ! Fit after self-cal, rms=0.271274Jy sigma=0.002039 ! Inverting map ! Your choice of large map pixels excluded 1.07% 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=0.271274Jy sigma=0.002039 ! Fit after self-cal, rms=0.214355Jy sigma=0.001621 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.07% 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 = -7.22334e-06 Jy ! Component: 100 - total flux cleaned = 0.000328268 Jy ! Component: 150 - total flux cleaned = 0.000585168 Jy ! Component: 200 - total flux cleaned = 0.000931371 Jy ! Total flux subtracted in 200 components = 0.000931371 Jy ! Clean residual min=-0.018189 max=0.027578 Jy/beam ! Clean residual mean=0.000018 rms=0.005950 Jy/beam ! Combined flux in latest and established models = 1.48191 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 1.48191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213642Jy sigma=0.001615 ! Fit after self-cal, rms=0.206010Jy sigma=0.001556 ! Inverting map ! Your choice of large map pixels excluded 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Added new window around map position (-2.4, 4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188012 Jy ! Component: 100 - total flux cleaned = 0.0178856 Jy ! Component: 150 - total flux cleaned = 0.0170966 Jy ! Component: 200 - total flux cleaned = 0.0161018 Jy ! Total flux subtracted in 200 components = 0.0161018 Jy ! Clean residual min=-0.012013 max=0.018418 Jy/beam ! Clean residual mean=0.000079 rms=0.004060 Jy/beam ! Combined flux in latest and established models = 1.49801 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 48 components and 1.49801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203764Jy sigma=0.001534 ! Fit after self-cal, rms=0.201578Jy sigma=0.001517 ! Inverting map ! Your choice of large map pixels excluded 1.07% 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: 0.7911 x 2.122 at -0.2755 degrees (North through East) ! Clean map min=-0.011205 max=1.3633 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=0.201578Jy sigma=0.001517 ! Fit after self-cal, rms=0.199418Jy sigma=0.001504 ! 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=0.199418Jy sigma=0.001504 ! Fit after self-cal, rms=0.198590Jy sigma=0.001498 ! Inverting map and beam ! Your choice of large map pixels excluded 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7854 mas, bmaj=2.113 mas, bpa=-0.2761 degrees ! Estimated noise=1600.28 mJy/beam. ! Added new window around map position (4, 11.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0163404 Jy ! Component: 100 - total flux cleaned = 0.0193119 Jy ! Component: 150 - total flux cleaned = 0.0200875 Jy ! Component: 200 - total flux cleaned = 0.0196269 Jy ! Total flux subtracted in 200 components = 0.0196269 Jy ! Clean residual min=-0.007840 max=0.008046 Jy/beam ! Clean residual mean=0.000150 rms=0.002376 Jy/beam ! Combined flux in latest and established models = 1.51764 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 76 components and 1.51764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197581Jy sigma=0.001489 ! Fit after self-cal, rms=0.197176Jy sigma=0.001486 ! Inverting map ! Your choice of large map pixels excluded 1.07% 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=0.197176Jy sigma=0.001486 ! Fit after self-cal, rms=0.196286Jy sigma=0.001482 ! 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=0.196286Jy sigma=0.001482 ! Fit after self-cal, rms=0.196105Jy sigma=0.001480 ! Inverting map and beam ! Your choice of large map pixels excluded 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7844 mas, bmaj=2.111 mas, bpa=-0.277 degrees ! Estimated noise=1598.64 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0035297 Jy ! Component: 100 - total flux cleaned = 0.00379277 Jy ! Component: 150 - total flux cleaned = 0.00330783 Jy ! Component: 200 - total flux cleaned = 0.0030903 Jy ! Total flux subtracted in 200 components = 0.0030903 Jy ! Clean residual min=-0.006286 max=0.007497 Jy/beam ! Clean residual mean=0.000141 rms=0.002093 Jy/beam ! Combined flux in latest and established models = 1.52073 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 95 components and 1.52073 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195972Jy sigma=0.001479 ! Fit after self-cal, rms=0.195878Jy sigma=0.001479 ! Inverting map ! Your choice of large map pixels excluded 1.07% 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 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=3.014 mas, bmaj=10.75 mas, bpa=3.432 degrees ! Estimated noise=2149.81 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 = -0.00026078 Jy ! Component: 100 - total flux cleaned = -0.000788014 Jy ! Component: 150 - total flux cleaned = -0.00136145 Jy ! Component: 200 - total flux cleaned = -0.00199515 Jy ! Total flux subtracted in 200 components = -0.00199515 Jy ! Clean residual min=-0.005934 max=0.009795 Jy/beam ! Clean residual mean=0.000249 rms=0.003151 Jy/beam ! Combined flux in latest and established models = 1.51873 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 100 components and 1.51873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195836Jy sigma=0.001478 ! Fit after self-cal, rms=0.195786Jy sigma=0.001478 ! Inverting map ! Your choice of large map pixels excluded 1.07% 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 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.6293 mas, bmaj=1.696 mas, bpa=0.9095 degrees ! Estimated noise=2147.36 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.13339 Jy ! Component: 100 - total flux cleaned = 1.30446 Jy ! Component: 150 - total flux cleaned = 1.38453 Jy ! Component: 200 - total flux cleaned = 1.43218 Jy ! Total flux subtracted in 200 components = 1.43218 Jy ! Clean residual min=-0.017607 max=0.020555 Jy/beam ! Clean residual mean=-0.000047 rms=0.004920 Jy/beam ! Combined flux in latest and established models = 1.43218 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.43218 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7844 mas, bmaj=2.111 mas, bpa=-0.277 degrees ! Estimated noise=1598.64 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 = 0.0464036 Jy ! Component: 100 - total flux cleaned = 0.0687889 Jy ! Component: 150 - total flux cleaned = 0.0768947 Jy ! Component: 200 - total flux cleaned = 0.0812429 Jy ! Total flux subtracted in 200 components = 0.0812429 Jy ! Clean residual min=-0.010084 max=0.006958 Jy/beam ! Clean residual mean=0.000120 rms=0.002459 Jy/beam ! Combined flux in latest and established models = 1.51343 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 54 components and 1.51343 Jy ! Inverting map ! Your choice of large map pixels excluded 1.07% 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 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=3.014 mas, bmaj=10.75 mas, bpa=3.432 degrees ! Estimated noise=2149.81 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 = 0.0032591 Jy ! Component: 100 - total flux cleaned = 0.00473982 Jy ! Component: 150 - total flux cleaned = 0.00540701 Jy ! Component: 200 - total flux cleaned = 0.00576498 Jy ! Total flux subtracted in 200 components = 0.00576498 Jy ! Clean residual min=-0.008565 max=0.009219 Jy/beam ! Clean residual mean=0.000248 rms=0.003243 Jy/beam ! Combined flux in latest and established models = 1.51919 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 80 components and 1.51919 Jy ! Inverting map ! Your choice of large map pixels excluded 1.07% 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 1.07% of the data. ! The x-axis pixel size should ideally be below 0.1987 milli-arcsec ! Estimated beam: bmin=0.7844 mas, bmaj=2.111 mas, bpa=-0.277 degrees ! Estimated noise=1598.64 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000869989 Jy ! Component: 100 - total flux cleaned = 0.000662404 Jy ! Component: 150 - total flux cleaned = 0.000407387 Jy ! Component: 200 - total flux cleaned = 0.000407536 Jy ! Total flux subtracted in 200 components = 0.000407536 Jy ! Clean residual min=-0.006358 max=0.007073 Jy/beam ! Clean residual mean=0.000127 rms=0.002048 Jy/beam ! Combined flux in latest and established models = 1.5196 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 95 components and 1.5196 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195816Jy sigma=0.001478 ! Fit after self-cal, rms=0.195770Jy sigma=0.001478 wmodel J1802-3940_X_2002_01_31_yyk\_map.mod ! Writing 95 model components to file: J1802-3940_X_2002_01_31_yyk_map.mod wobs J1802-3940_X_2002_01_31_yyk\_uvs.fits ! Applying 40 buffered edits. ! Writing UV FITS file: J1802-3940_X_2002_01_31_yyk_uvs.fits wwins J1802-3940_X_2002_01_31_yyk\_map.win ! wwins: Wrote 3 windows to J1802-3940_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 1.07% 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 = 0.00163539 Jy ! Component: 100 - total flux cleaned = 0.00226805 Jy ! Component: 150 - total flux cleaned = 0.00255532 Jy ! Component: 200 - total flux cleaned = 0.00289604 Jy ! Component: 250 - total flux cleaned = 0.00297692 Jy ! Component: 300 - total flux cleaned = 0.00341602 Jy ! Component: 350 - total flux cleaned = 0.00355074 Jy ! Component: 400 - total flux cleaned = 0.00387168 Jy ! Component: 450 - total flux cleaned = 0.00393017 Jy ! Component: 500 - total flux cleaned = 0.00398476 Jy ! Component: 550 - total flux cleaned = 0.00398504 Jy ! Component: 600 - total flux cleaned = 0.00398425 Jy ! Component: 650 - total flux cleaned = 0.00398352 Jy ! Component: 700 - total flux cleaned = 0.00388755 Jy ! Component: 750 - total flux cleaned = 0.0037039 Jy ! Component: 800 - total flux cleaned = 0.0035726 Jy ! Component: 850 - total flux cleaned = 0.00353087 Jy ! Component: 900 - total flux cleaned = 0.00324399 Jy ! Component: 950 - total flux cleaned = 0.00296554 Jy ! Component: 1000 - total flux cleaned = 0.00269462 Jy ! Component: 1050 - total flux cleaned = 0.00235409 Jy ! Component: 1100 - total flux cleaned = 0.00202117 Jy ! Component: 1150 - total flux cleaned = 0.00165852 Jy ! Component: 1200 - total flux cleaned = 0.00137426 Jy ! Component: 1250 - total flux cleaned = 0.00123433 Jy ! Component: 1300 - total flux cleaned = 0.0010623 Jy ! Component: 1350 - total flux cleaned = 0.000926704 Jy ! Component: 1400 - total flux cleaned = 0.000792932 Jy ! Component: 1450 - total flux cleaned = 0.000660779 Jy ! Component: 1500 - total flux cleaned = 0.000595247 Jy ! Component: 1550 - total flux cleaned = 0.000465669 Jy ! Component: 1600 - total flux cleaned = 0.00033733 Jy ! Component: 1650 - total flux cleaned = 0.000337227 Jy ! Component: 1700 - total flux cleaned = 0.000305552 Jy ! Component: 1750 - total flux cleaned = 0.000337089 Jy ! Component: 1800 - total flux cleaned = 0.000399803 Jy ! Component: 1850 - total flux cleaned = 0.000462452 Jy ! Component: 1900 - total flux cleaned = 0.000555925 Jy ! Component: 1950 - total flux cleaned = 0.000555947 Jy ! Component: 2000 - total flux cleaned = 0.000587103 Jy ! Total flux subtracted in 2048 components = 0.000618071 Jy ! Clean residual min=-0.002000 max=0.001575 Jy/beam ! Clean residual mean=0.000023 rms=0.000561 Jy/beam ! Combined flux in latest and established models = 1.52022 Jy keep ! Adding 108 model components to the UV plane model. ! The established model now contains 203 components and 1.52022 Jy ![Exited script file: muppet] wmap "J1802-3940_X_2002_01_31_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.07% 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: 0.7844 x 2.111 at -0.277 degrees (North through East) ! Clean map min=-0.0094863 max=1.3492 Jy/beam ! Writing clean map to FITS file: J1802-3940_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 1.34923 invert ! Inverting map ! Your choice of large map pixels excluded 1.07% 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 0.000512291 device "J1802-3940_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J1802-3940_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.113908 0.113908 0.227816 0.455631 0.911262 1.82252 3.64505 7.2901 14.5802 29.1604 58.3208 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.349 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7844 x 2.111 at -0.277 degrees (North through East) ! Clean map min=-0.0094863 max=1.3492 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1802-3940_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J1802-3940_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1802-3940_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 11:01:07 2007