! Started logfile: J1820-2528_X_2002_05_14_yyk_uvs.log on Tue Jun 26 23:04:25 2007 obs J1820-2528_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J1820-2528_X_2002_05_14_yyk_uva.fits ! AN table 1: 76 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.919591 visibilities/baseline/integration-bin. ! Found source: J1820-2528 ! ! 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 12580 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 J1820-2528_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)= 0.505304 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 0.278% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.6553 mas, bmaj=1.696 mas, bpa=-4.46 degrees ! Estimated noise=1442.1 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 = 0.365408 Jy ! Component: 100 - total flux cleaned = 0.461661 Jy ! Total flux subtracted in 100 components = 0.461661 Jy ! Clean residual min=-0.018793 max=0.031773 Jy/beam ! Clean residual mean=-0.000171 rms=0.005271 Jy/beam ! Combined flux in latest and established models = 0.461661 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 0.461661 Jy ! ! Correcting IF 1. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.211005Jy sigma=0.001534 ! Fit after self-cal, rms=0.210561Jy sigma=0.001530 ! Inverting map and beam ! Your choice of large map pixels excluded 0.278% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.6553 mas, bmaj=1.696 mas, bpa=-4.46 degrees ! Estimated noise=1442.1 mJy/beam. ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0481969 Jy ! Component: 100 - total flux cleaned = 0.0740805 Jy ! Total flux subtracted in 100 components = 0.0740805 Jy ! Clean residual min=-0.015081 max=0.024101 Jy/beam ! Clean residual mean=-0.000060 rms=0.003740 Jy/beam ! Combined flux in latest and established models = 0.535742 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 35 components and 0.535742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197984Jy sigma=0.001398 ! Fit after self-cal, rms=0.197881Jy sigma=0.001398 ! Inverting map ! Your choice of large map pixels excluded 0.278% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Added new window around map position (1.4, -2.8). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.029981 Jy ! Component: 100 - total flux cleaned = 0.0470123 Jy ! Total flux subtracted in 100 components = 0.0470123 Jy ! Clean residual min=-0.013231 max=0.016589 Jy/beam ! Clean residual mean=-0.000008 rms=0.003020 Jy/beam ! Combined flux in latest and established models = 0.582754 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 0.582754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193137Jy sigma=0.001355 ! Fit after self-cal, rms=0.192668Jy sigma=0.001352 ! Inverting map ! Your choice of large map pixels excluded 0.278% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.278% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8549 mas, bmaj=2.201 mas, bpa=-4.409 degrees ! Estimated noise=824.137 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 = 0.0225948 Jy ! Component: 100 - total flux cleaned = 0.0330785 Jy ! Component: 150 - total flux cleaned = 0.0380886 Jy ! Component: 200 - total flux cleaned = 0.0390876 Jy ! Total flux subtracted in 200 components = 0.0390876 Jy ! Clean residual min=-0.009973 max=0.009839 Jy/beam ! Clean residual mean=0.000179 rms=0.002728 Jy/beam ! Combined flux in latest and established models = 0.621842 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 65 components and 0.621842 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190860Jy sigma=0.001337 ! Fit after self-cal, rms=0.190742Jy sigma=0.001336 ! Inverting map ! Your choice of large map pixels excluded 0.278% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8549 x 2.201 at -4.409 degrees (North through East) ! Clean map min=-0.0091934 max=0.43223 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.990224 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.10 KP 0.93 ! LA 1.04 NL 1.01 OV 0.98 PT 1.00 ! SC 1.02 MK 1.03 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.00476 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.09 KP 0.88 ! LA 0.99 NL 0.99 OV 0.96 PT 1.05 ! SC 0.98 MK 1.02 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.997074 ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.91 HN 1.11 KP 0.90 ! LA 1.00 NL 0.97 OV 1.00 PT 1.07 ! SC 0.98 MK 1.03 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.9717 ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.92 HN 1.08 KP 0.97 ! LA 1.01 NL 1.02 OV 1.02 PT 1.15 ! SC 1.02 MK 1.02 ! ! ! Fit before self-cal, rms=0.190742Jy sigma=0.001336 ! Fit after self-cal, rms=0.188772Jy sigma=0.001307 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=0.188772Jy sigma=0.001307 ! Fit after self-cal, rms=0.188771Jy sigma=0.001307 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8703 mas, bmaj=2.224 mas, bpa=-3.816 degrees ! Estimated noise=816.815 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 = -0.00806188 Jy ! Component: 100 - total flux cleaned = -0.00983785 Jy ! Component: 150 - total flux cleaned = -0.0104572 Jy ! Component: 200 - total flux cleaned = -0.0108066 Jy ! Total flux subtracted in 200 components = -0.0108066 Jy ! Clean residual min=-0.005776 max=0.005814 Jy/beam ! Clean residual mean=0.000013 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 0.611035 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 75 components and 0.611035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188374Jy sigma=0.001305 ! Fit after self-cal, rms=0.188360Jy sigma=0.001305 ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 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=0.188360Jy sigma=0.001305 ! Fit after self-cal, rms=0.180884Jy sigma=0.001235 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 = 0.00342512 Jy ! Component: 100 - total flux cleaned = 0.00342218 Jy ! Component: 150 - total flux cleaned = 0.00334742 Jy ! Component: 200 - total flux cleaned = 0.00321157 Jy ! Total flux subtracted in 200 components = 0.00321157 Jy ! Clean residual min=-0.005671 max=0.005594 Jy/beam ! Clean residual mean=0.000008 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 0.614247 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 76 components and 0.614247 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180848Jy sigma=0.001234 ! Fit after self-cal, rms=0.179785Jy sigma=0.001225 ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 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: 0.8703 x 2.224 at -3.816 degrees (North through East) ! Clean map min=-0.0054975 max=0.43309 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=0.179785Jy sigma=0.001225 ! Fit after self-cal, rms=0.183952Jy sigma=0.001216 ! 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=0.183952Jy sigma=0.001216 ! Fit after self-cal, rms=0.183763Jy sigma=0.001215 ! Inverting map and beam ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8707 mas, bmaj=2.206 mas, bpa=-3.793 degrees ! Estimated noise=815.09 mJy/beam. ! Added new window around map position (0.2, -7.6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00479084 Jy ! Component: 100 - total flux cleaned = 0.00552422 Jy ! Component: 150 - total flux cleaned = 0.00589648 Jy ! Component: 200 - total flux cleaned = 0.00621856 Jy ! Total flux subtracted in 200 components = 0.00621856 Jy ! Clean residual min=-0.004814 max=0.004872 Jy/beam ! Clean residual mean=0.000020 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 0.620465 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 90 components and 0.620465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183552Jy sigma=0.001213 ! Fit after self-cal, rms=0.183486Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Added new window around map position (-11.6, 3.6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00465135 Jy ! Component: 100 - total flux cleaned = 0.00613157 Jy ! Component: 150 - total flux cleaned = 0.00683139 Jy ! Component: 200 - total flux cleaned = 0.00717228 Jy ! Total flux subtracted in 200 components = 0.00717228 Jy ! Clean residual min=-0.004348 max=0.004035 Jy/beam ! Clean residual mean=0.000018 rms=0.000988 Jy/beam ! Combined flux in latest and established models = 0.627638 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 108 components and 0.627638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183331Jy sigma=0.001211 ! Fit after self-cal, rms=0.183316Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 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=0.183316Jy sigma=0.001211 ! Fit after self-cal, rms=0.182989Jy sigma=0.001208 ! 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=0.182989Jy sigma=0.001208 ! Fit after self-cal, rms=0.182990Jy sigma=0.001208 ! Inverting map and beam ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8676 mas, bmaj=2.198 mas, bpa=-3.974 degrees ! Estimated noise=813.518 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000682341 Jy ! Component: 100 - total flux cleaned = 0.000998119 Jy ! Component: 150 - total flux cleaned = 0.00128275 Jy ! Component: 200 - total flux cleaned = 0.00148203 Jy ! Total flux subtracted in 200 components = 0.00148203 Jy ! Clean residual min=-0.004190 max=0.003885 Jy/beam ! Clean residual mean=0.000022 rms=0.000957 Jy/beam ! Combined flux in latest and established models = 0.62912 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 114 components and 0.62912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182937Jy sigma=0.001208 ! Fit after self-cal, rms=0.182930Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=2.269 mas, bmaj=5.601 mas, bpa=-1.352 degrees ! Estimated noise=1048.36 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 = 0.00183816 Jy ! Component: 100 - total flux cleaned = 0.00194728 Jy ! Component: 150 - total flux cleaned = 0.00198644 Jy ! Component: 200 - total flux cleaned = 0.00205997 Jy ! Total flux subtracted in 200 components = 0.00205997 Jy ! Clean residual min=-0.004362 max=0.003605 Jy/beam ! Clean residual mean=0.000039 rms=0.001189 Jy/beam ! Combined flux in latest and established models = 0.631179 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 126 components and 0.631179 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182924Jy sigma=0.001208 ! Fit after self-cal, rms=0.182921Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.6577 mas, bmaj=1.686 mas, bpa=-4.126 degrees ! Estimated noise=1435.77 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.36538 Jy ! Component: 100 - total flux cleaned = 0.464109 Jy ! Component: 150 - total flux cleaned = 0.513884 Jy ! Component: 200 - total flux cleaned = 0.544641 Jy ! Total flux subtracted in 200 components = 0.544641 Jy ! Clean residual min=-0.010651 max=0.014985 Jy/beam ! Clean residual mean=-0.000087 rms=0.002483 Jy/beam ! Combined flux in latest and established models = 0.544641 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 50 model components to the UV plane model. ! The established model now contains 50 components and 0.544641 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8676 mas, bmaj=2.198 mas, bpa=-3.974 degrees ! Estimated noise=813.518 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 (0.2, -2.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0355048 Jy ! Component: 100 - total flux cleaned = 0.0521711 Jy ! Component: 150 - total flux cleaned = 0.0616745 Jy ! Component: 200 - total flux cleaned = 0.0680306 Jy ! Total flux subtracted in 200 components = 0.0680306 Jy ! Clean residual min=-0.005521 max=0.003935 Jy/beam ! Clean residual mean=-0.000001 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.612672 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 99 components and 0.612672 Jy ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 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 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=2.269 mas, bmaj=5.601 mas, bpa=-1.352 degrees ! Estimated noise=1048.36 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 = 0.00657471 Jy ! Component: 100 - total flux cleaned = 0.0105089 Jy ! Component: 150 - total flux cleaned = 0.0131899 Jy ! Component: 200 - total flux cleaned = 0.0151315 Jy ! Total flux subtracted in 200 components = 0.0151315 Jy ! Clean residual min=-0.004286 max=0.003621 Jy/beam ! Clean residual mean=0.000028 rms=0.001219 Jy/beam ! Combined flux in latest and established models = 0.627803 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 127 components and 0.627803 Jy ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! Estimated beam: bmin=0.8676 mas, bmaj=2.198 mas, bpa=-3.974 degrees ! Estimated noise=813.518 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000327071 Jy ! Component: 100 - total flux cleaned = 0.000812279 Jy ! Component: 150 - total flux cleaned = 0.0012405 Jy ! Component: 200 - total flux cleaned = 0.00147584 Jy ! Total flux subtracted in 200 components = 0.00147584 Jy ! Clean residual min=-0.004284 max=0.004318 Jy/beam ! Clean residual mean=0.000018 rms=0.000939 Jy/beam ! Combined flux in latest and established models = 0.629279 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 152 components and 0.629279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182908Jy sigma=0.001208 ! Fit after self-cal, rms=0.182870Jy sigma=0.001207 wmodel J1820-2528_X_2002_05_14_yyk\_map.mod ! Writing 152 model components to file: J1820-2528_X_2002_05_14_yyk_map.mod wobs J1820-2528_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J1820-2528_X_2002_05_14_yyk_uvs.fits wwins J1820-2528_X_2002_05_14_yyk\_map.win ! wwins: Wrote 5 windows to J1820-2528_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 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000527912 Jy ! Component: 100 - total flux cleaned = -0.00117418 Jy ! Component: 150 - total flux cleaned = -0.00129269 Jy ! Component: 200 - total flux cleaned = -0.00140226 Jy ! Component: 250 - total flux cleaned = -0.00150739 Jy ! Component: 300 - total flux cleaned = -0.00170808 Jy ! Component: 350 - total flux cleaned = -0.00180538 Jy ! Component: 400 - total flux cleaned = -0.00194717 Jy ! Component: 450 - total flux cleaned = -0.00185682 Jy ! Component: 500 - total flux cleaned = -0.00176972 Jy ! Component: 550 - total flux cleaned = -0.00168433 Jy ! Component: 600 - total flux cleaned = -0.00160071 Jy ! Component: 650 - total flux cleaned = -0.00147885 Jy ! Component: 700 - total flux cleaned = -0.00124072 Jy ! Component: 750 - total flux cleaned = -0.00124178 Jy ! Component: 800 - total flux cleaned = -0.00128059 Jy ! Component: 850 - total flux cleaned = -0.00139282 Jy ! Component: 900 - total flux cleaned = -0.00120678 Jy ! Component: 950 - total flux cleaned = -0.00106061 Jy ! Component: 1000 - total flux cleaned = -0.00102462 Jy ! Component: 1050 - total flux cleaned = -0.00081213 Jy ! Component: 1100 - total flux cleaned = -0.00077733 Jy ! Component: 1150 - total flux cleaned = -0.00063923 Jy ! Component: 1200 - total flux cleaned = -0.000502839 Jy ! Component: 1250 - total flux cleaned = -0.000469369 Jy ! Component: 1300 - total flux cleaned = -0.000370163 Jy ! Component: 1350 - total flux cleaned = -0.00040289 Jy ! Component: 1400 - total flux cleaned = -0.000370866 Jy ! Component: 1450 - total flux cleaned = -0.000338968 Jy ! Component: 1500 - total flux cleaned = -0.000307582 Jy ! Component: 1550 - total flux cleaned = -0.000244431 Jy ! Component: 1600 - total flux cleaned = -0.000243972 Jy ! Component: 1650 - total flux cleaned = -0.000151951 Jy ! Component: 1700 - total flux cleaned = -0.000242684 Jy ! Component: 1750 - total flux cleaned = -0.000182315 Jy ! Component: 1800 - total flux cleaned = -0.000152952 Jy ! Component: 1850 - total flux cleaned = -0.000123213 Jy ! Component: 1900 - total flux cleaned = -0.000123432 Jy ! Component: 1950 - total flux cleaned = -0.000152522 Jy ! Component: 2000 - total flux cleaned = -0.000152735 Jy ! Total flux subtracted in 2048 components = -6.74432e-05 Jy ! Clean residual min=-0.002445 max=0.001759 Jy/beam ! Clean residual mean=0.000007 rms=0.000540 Jy/beam ! Combined flux in latest and established models = 0.629212 Jy keep ! Adding 136 model components to the UV plane model. ! The established model now contains 288 components and 0.629212 Jy ![Exited script file: muppet] wmap "J1820-2528_X_2002_05_14_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8676 x 2.198 at -3.974 degrees (North through East) ! Clean map min=-0.0030316 max=0.43107 Jy/beam ! Writing clean map to FITS file: J1820-2528_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 0.431071 invert ! Inverting map ! Your choice of large map pixels excluded 0.279% of the data. ! The x-axis pixel size should ideally be below 0.1991 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000535475 device "J1820-2528_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J1820-2528_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.372659 0.372659 0.745318 1.49064 2.98127 5.96254 11.9251 23.8502 47.7003 95.4007 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.431 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8676 x 2.198 at -3.974 degrees (North through East) ! Clean map min=-0.0030316 max=0.43107 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1820-2528_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J1820-2528_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1820-2528_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 23:04:33 2007