! Started logfile: J0225-2312_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:15:53 2010 obs J0225-2312_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0225-2312_X_2008_07_09_pus_uva.fits ! AN table 1: 104 integrations on 105 of 105 possible baselines. ! AN table 2: 123 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.312649 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0225-2312 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1142 lines of history. ! ! Reading 29808 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 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 651 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 651 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 653 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 651 telescope corrections were flagged in sub-array 1. ! A total of 803 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.955445Jy sigma=0.008271 ! Fit after self-cal, rms=0.860397Jy sigma=0.007473 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.6257 mas, bmaj=1.714 mas, bpa=-7.689 degrees ! Estimated noise=827.054 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111985 Jy ! Component: 100 - total flux cleaned = 0.144235 Jy ! Total flux subtracted in 100 components = 0.144235 Jy ! Clean residual min=-0.005719 max=0.014231 Jy/beam ! Clean residual mean=0.000421 rms=0.002288 Jy/beam ! Combined flux in latest and established models = 0.144235 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.144235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151733Jy sigma=0.001263 ! Fit after self-cal, rms=0.151650Jy sigma=0.001263 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0164689 Jy ! Component: 100 - total flux cleaned = 0.0249959 Jy ! Total flux subtracted in 100 components = 0.0249959 Jy ! Clean residual min=-0.004514 max=0.007386 Jy/beam ! Clean residual mean=0.000259 rms=0.001465 Jy/beam ! Combined flux in latest and established models = 0.169231 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.169231 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149672Jy sigma=0.001241 ! Fit after self-cal, rms=0.149686Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! 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 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.7958 mas, bmaj=1.981 mas, bpa=-6.548 degrees ! Estimated noise=474.5 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00728675 Jy ! Component: 100 - total flux cleaned = 0.0108303 Jy ! Component: 150 - total flux cleaned = 0.0126257 Jy ! Component: 200 - total flux cleaned = 0.0128985 Jy ! Total flux subtracted in 200 components = 0.0128985 Jy ! Clean residual min=-0.003639 max=0.007021 Jy/beam ! Clean residual mean=0.000245 rms=0.001380 Jy/beam ! Combined flux in latest and established models = 0.182129 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 0.182129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149422Jy sigma=0.001238 ! Fit after self-cal, rms=0.149438Jy sigma=0.001238 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 1.21 ! KK 1.00* KP 1.02 LA 0.94 MK 1.06 ! NL 1.04 NY 1.00* ON 1.00* PT 0.99 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 HH 1.00* HN 1.11 ! KK 1.00* KP 1.02 LA 0.96 MK 0.97 ! NL 1.02 NY 1.00* ON 1.00* PT 1.01 ! SC 0.94 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HH 1.00* HN 1.12 ! KK 1.00* KP 0.97 LA 0.94 MK 1.04 ! NL 1.05 NY 1.00* ON 1.00* PT 0.95 ! SC 1.08 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HH 1.00* HN 1.03 ! KK 1.00* KP 0.94 LA 0.96 MK 1.02 ! NL 1.04 NY 1.00* ON 1.00* PT 1.02 ! SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HH 1.00* HN 1.22 ! KK 1.00* KP 0.97 LA 0.97 MK 1.05 ! NL 1.12 NY 1.00* ON 1.00* PT 1.02 ! SC 1.00 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.94 HH 1.00* HN 1.04 ! KK 1.00* KP 1.01 LA 0.97 MK 1.00 ! NL 1.06 NY 1.00* ON 1.00* PT 1.01 ! SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.94 HH 1.00* HN 1.11 ! KK 1.00* KP 0.99 LA 0.99 MK 1.04 ! NL 1.11 NY 1.00* ON 1.00* PT 1.00 ! SC 1.05 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.92 HH 1.00* HN 0.97 ! KK 1.00* KP 1.03 LA 1.01 MK 0.96 ! NL 1.04 NY 1.00* ON 1.00* PT 1.03 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.149438Jy sigma=0.001238 ! Fit after self-cal, rms=0.154376Jy sigma=0.001234 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.8035 mas, bmaj=1.98 mas, bpa=-6.613 degrees ! Estimated noise=477.697 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6.8, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00573346 Jy ! Component: 100 - total flux cleaned = 0.00823205 Jy ! Component: 150 - total flux cleaned = 0.00977508 Jy ! Component: 200 - total flux cleaned = 0.0104587 Jy ! Total flux subtracted in 200 components = 0.0104587 Jy ! Clean residual min=-0.002347 max=0.003513 Jy/beam ! Clean residual mean=0.000036 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 0.192588 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.192588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154192Jy sigma=0.001232 ! Fit after self-cal, rms=0.154336Jy sigma=0.001232 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154336Jy sigma=0.001232 ! Fit after self-cal, rms=0.154582Jy sigma=0.001231 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.8038 mas, bmaj=1.981 mas, bpa=-6.582 degrees ! Estimated noise=476.139 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00162474 Jy ! Component: 100 - total flux cleaned = 0.00220277 Jy ! Component: 150 - total flux cleaned = 0.00246549 Jy ! Component: 200 - total flux cleaned = 0.00270258 Jy ! Total flux subtracted in 200 components = 0.00270258 Jy ! Clean residual min=-0.002267 max=0.003149 Jy/beam ! Clean residual mean=0.000016 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.19529 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 45 components and 0.19529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154557Jy sigma=0.001231 ! Fit after self-cal, rms=0.154576Jy sigma=0.001231 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.6, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00258932 Jy ! Component: 100 - total flux cleaned = 0.00266667 Jy ! Component: 150 - total flux cleaned = 0.0025556 Jy ! Component: 200 - total flux cleaned = 0.00255651 Jy ! Total flux subtracted in 200 components = 0.00255651 Jy ! Clean residual min=-0.002060 max=0.002396 Jy/beam ! Clean residual mean=-0.000020 rms=0.000578 Jy/beam ! Combined flux in latest and established models = 0.197847 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 59 components and 0.197847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154504Jy sigma=0.001231 ! Fit after self-cal, rms=0.154475Jy sigma=0.001231 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Added new window around map position (8.8, 9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015728 Jy ! Component: 100 - total flux cleaned = 0.00187714 Jy ! Component: 150 - total flux cleaned = 0.00209858 Jy ! Component: 200 - total flux cleaned = 0.00217725 Jy ! Total flux subtracted in 200 components = 0.00217725 Jy ! Clean residual min=-0.001923 max=0.002234 Jy/beam ! Clean residual mean=-0.000024 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.200024 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 74 components and 0.200024 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154429Jy sigma=0.001230 ! Fit after self-cal, rms=0.154403Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154403Jy sigma=0.001230 ! Fit after self-cal, rms=0.153255Jy sigma=0.001230 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.8019 mas, bmaj=1.974 mas, bpa=-6.494 degrees ! Estimated noise=474.545 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135952 Jy ! Component: 100 - total flux cleaned = 0.00176975 Jy ! Component: 150 - total flux cleaned = 0.00184118 Jy ! Component: 200 - total flux cleaned = 0.00194078 Jy ! Total flux subtracted in 200 components = 0.00194078 Jy ! Clean residual min=-0.001882 max=0.002006 Jy/beam ! Clean residual mean=-0.000023 rms=0.000481 Jy/beam ! Combined flux in latest and established models = 0.201965 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 81 components and 0.201965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153234Jy sigma=0.001230 ! Fit after self-cal, rms=0.153208Jy sigma=0.001230 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000226979 Jy ! Component: 100 - total flux cleaned = 0.000290081 Jy ! Component: 150 - total flux cleaned = 0.000348211 Jy ! Component: 200 - total flux cleaned = 0.000402045 Jy ! Total flux subtracted in 200 components = 0.000402045 Jy ! Clean residual min=-0.001849 max=0.001933 Jy/beam ! Clean residual mean=-0.000031 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.202367 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 86 components and 0.202367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153197Jy sigma=0.001230 ! Fit after self-cal, rms=0.153189Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153189Jy sigma=0.001230 ! Fit after self-cal, rms=0.152892Jy sigma=0.001230 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=2.199 mas, bmaj=4.516 mas, bpa=3.084 degrees ! Estimated noise=612.506 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000934563 Jy ! Component: 100 - total flux cleaned = 0.00105899 Jy ! Component: 150 - total flux cleaned = 0.00110357 Jy ! Component: 200 - total flux cleaned = 0.00112349 Jy ! Total flux subtracted in 200 components = 0.00112349 Jy ! Clean residual min=-0.002346 max=0.001751 Jy/beam ! Clean residual mean=-0.000078 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.20349 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 102 components and 0.20349 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152888Jy sigma=0.001230 ! Fit after self-cal, rms=0.152879Jy sigma=0.001230 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000131683 Jy ! Component: 100 - total flux cleaned = 0.000151132 Jy ! Component: 150 - total flux cleaned = 0.00015165 Jy ! Component: 200 - total flux cleaned = 0.000151606 Jy ! Total flux subtracted in 200 components = 0.000151606 Jy ! Clean residual min=-0.002325 max=0.001671 Jy/beam ! Clean residual mean=-0.000085 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.203642 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 111 components and 0.203642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152878Jy sigma=0.001230 ! Fit after self-cal, rms=0.152876Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.8013 mas, bmaj=1.971 mas, bpa=-6.481 degrees ! Estimated noise=474.4 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8013 x 1.971 at -6.481 degrees (North through East) ! Clean map min=-0.0020629 max=0.15194 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal 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 new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative 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 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.6313 mas, bmaj=1.704 mas, bpa=-7.572 degrees ! Estimated noise=832.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111339 Jy ! Component: 100 - total flux cleaned = 0.145283 Jy ! Component: 150 - total flux cleaned = 0.161397 Jy ! Component: 200 - total flux cleaned = 0.170621 Jy ! Total flux subtracted in 200 components = 0.170621 Jy ! Clean residual min=-0.003871 max=0.005069 Jy/beam ! Clean residual mean=0.000201 rms=0.001288 Jy/beam ! Combined flux in latest and established models = 0.170621 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 0.170621 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.8013 mas, bmaj=1.971 mas, bpa=-6.481 degrees ! Estimated noise=474.4 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=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00855062 Jy ! Component: 100 - total flux cleaned = 0.0140834 Jy ! Component: 150 - total flux cleaned = 0.0180837 Jy ! Component: 200 - total flux cleaned = 0.0211095 Jy ! Total flux subtracted in 200 components = 0.0211095 Jy ! Clean residual min=-0.002617 max=0.002517 Jy/beam ! Clean residual mean=0.000097 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.191731 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 46 components and 0.191731 Jy ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=2.199 mas, bmaj=4.516 mas, bpa=3.084 degrees ! Estimated noise=612.506 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00425866 Jy ! Component: 100 - total flux cleaned = 0.00692346 Jy ! Component: 150 - total flux cleaned = 0.00869204 Jy ! Component: 200 - total flux cleaned = 0.00969381 Jy ! Total flux subtracted in 200 components = 0.00969381 Jy ! Clean residual min=-0.002620 max=0.002256 Jy/beam ! Clean residual mean=-0.000016 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 0.201425 Jy flux_cutoff = imstat(rms) * dynam 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=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000343699 Jy ! Component: 100 - total flux cleaned = 0.000605972 Jy ! Component: 150 - total flux cleaned = 0.000740952 Jy ! Component: 200 - total flux cleaned = 0.000862192 Jy ! Total flux subtracted in 200 components = 0.000862192 Jy ! Clean residual min=-0.002520 max=0.001980 Jy/beam ! Clean residual mean=-0.000051 rms=0.000685 Jy/beam ! Combined flux in latest and established models = 0.202287 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 86 components and 0.202287 Jy ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! Estimated beam: bmin=0.8013 mas, bmaj=1.971 mas, bpa=-6.481 degrees ! Estimated noise=474.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00100097 Jy ! Component: 100 - total flux cleaned = -0.000946406 Jy ! Component: 150 - total flux cleaned = -0.000654611 Jy ! Component: 200 - total flux cleaned = -0.000481931 Jy ! Total flux subtracted in 200 components = -0.000481931 Jy ! Clean residual min=-0.001834 max=0.001803 Jy/beam ! Clean residual mean=-0.000015 rms=0.000498 Jy/beam ! Combined flux in latest and established models = 0.201805 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 101 components and 0.201805 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152911Jy sigma=0.001230 ! Fit after self-cal, rms=0.152909Jy sigma=0.001230 wmodel J0225-2312_X_2008_07_09_pus_map.mod ! Writing 101 model components to file: J0225-2312_X_2008_07_09_pus_map.mod wobs J0225-2312_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0225-2312_X_2008_07_09_pus_uvs.fits wwins J0225-2312_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J0225-2312_X_2008_07_09_pus_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 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -9.43621e-05 Jy ! Component: 100 - total flux cleaned = 4.42405e-05 Jy ! Component: 150 - total flux cleaned = 0.000254886 Jy ! Component: 200 - total flux cleaned = 0.000330467 Jy ! Component: 250 - total flux cleaned = 0.000402262 Jy ! Component: 300 - total flux cleaned = 0.000492556 Jy ! Component: 350 - total flux cleaned = 0.000599016 Jy ! Component: 400 - total flux cleaned = 0.000598816 Jy ! Component: 450 - total flux cleaned = 0.00057887 Jy ! Component: 500 - total flux cleaned = 0.00061801 Jy ! Component: 550 - total flux cleaned = 0.000655858 Jy ! Component: 600 - total flux cleaned = 0.0006379 Jy ! Component: 650 - total flux cleaned = 0.00062003 Jy ! Component: 700 - total flux cleaned = 0.000602492 Jy ! Component: 750 - total flux cleaned = 0.000602542 Jy ! Component: 800 - total flux cleaned = 0.000568657 Jy ! Component: 850 - total flux cleaned = 0.000568259 Jy ! Component: 900 - total flux cleaned = 0.000551753 Jy ! Component: 950 - total flux cleaned = 0.00058355 Jy ! Component: 1000 - total flux cleaned = 0.000614759 Jy ! Total flux subtracted in 1024 components = 0.000630253 Jy ! Clean residual min=-0.001144 max=0.000995 Jy/beam ! Clean residual mean=-0.000017 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.202435 Jy keep ! Adding 62 model components to the UV plane model. ! The established model now contains 163 components and 0.202435 Jy wmap "J0225-2312_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8013 x 1.971 at -6.481 degrees (North through East) ! Clean map min=-0.0017601 max=0.15189 Jy/beam ! Writing clean map to FITS file: J0225-2312_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.151889 invert ! Inverting map ! Your choice of large map pixels excluded 0.326% of the data. ! The x-axis pixel size should ideally be below 0.1984 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000306287 device "J0225-2312_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0225-2312_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.604957 0.604957 1.20991 2.41983 4.83965 9.67931 19.3586 38.7172 77.4345 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.151 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8013 x 1.971 at -6.481 degrees (North through East) ! Clean map min=-0.0017601 max=0.15189 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0225-2312_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0225-2312_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0225-2312_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:15:57 2010