! Started logfile: J0006-0623_X_1999_05_10_pus_uvs.log on Mon Jan 14 12:28:02 2008 obs J0006-0623_X_1999_05_10_pus_uva.fits ! Reading UV FITS file: J0006-0623_X_1999_05_10_pus_uva.fits ! AN table 1: 80 integrations on 153 of 153 possible baselines. ! AN table 2: 116 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.14089 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0006-0623 ! ! 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 1759 lines of history. ! ! Reading 16900 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 ![@muppet J0006-0623_X_1999_05_10_pus] 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 915 telescope corrections were flagged in sub-array 1. ! A total of 1622 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 882 telescope corrections were flagged in sub-array 1. ! A total of 1517 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 882 telescope corrections were flagged in sub-array 1. ! A total of 1517 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 932 telescope corrections were flagged in sub-array 1. ! A total of 1555 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.271964Jy sigma=0.010560 ! Fit after self-cal, rms=0.996386Jy sigma=0.008921 ! 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 7.6% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.5253 mas, bmaj=1.123 mas, bpa=0.01558 degrees ! Estimated noise=1255.45 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 = 1.27584 Jy ! Component: 100 - total flux cleaned = 1.64406 Jy ! Total flux subtracted in 100 components = 1.64406 Jy ! Clean residual min=-0.084231 max=0.171047 Jy/beam ! Clean residual mean=0.000865 rms=0.025933 Jy/beam ! Combined flux in latest and established models = 1.64406 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.64406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.671126Jy sigma=0.005094 ! Fit after self-cal, rms=0.669869Jy sigma=0.005089 ! Inverting map ! Your choice of large map pixels excluded 7.6% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.198673 Jy ! Component: 100 - total flux cleaned = 0.324214 Jy ! Total flux subtracted in 100 components = 0.324214 Jy ! Clean residual min=-0.067850 max=0.100166 Jy/beam ! Clean residual mean=0.000549 rms=0.020669 Jy/beam ! Combined flux in latest and established models = 1.96827 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 1.96827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.590897Jy sigma=0.003797 ! Fit after self-cal, rms=0.590072Jy sigma=0.003791 ! Inverting map ! Your choice of large map pixels excluded 7.6% of the data. ! The x-axis pixel size should ideally be below 0.1623 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 7.6% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6167 mas, bmaj=1.467 mas, bpa=-3.538 degrees ! Estimated noise=702.158 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 (-1.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.180092 Jy ! Component: 100 - total flux cleaned = 0.28424 Jy ! Component: 150 - total flux cleaned = 0.351165 Jy ! Component: 200 - total flux cleaned = 0.395447 Jy ! Total flux subtracted in 200 components = 0.395447 Jy ! Clean residual min=-0.036027 max=0.050345 Jy/beam ! Clean residual mean=0.001723 rms=0.012464 Jy/beam ! Combined flux in latest and established models = 2.36372 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 44 components and 2.36372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.544023Jy sigma=0.002927 ! Fit after self-cal, rms=0.540502Jy sigma=0.002892 ! Inverting map ! Your choice of large map pixels excluded 7.6% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 GC 1.11 HH 1.37 ! HN 1.01 KK 0.95 KP 0.98 LA 0.96 ! MC 1.05 MK 0.99 NL 1.07 NY 1.00* ! ON 1.06 OV 1.00 PT 0.99 SC 1.07 ! WF 0.58 WZ 1.23 ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.98 GC 1.25 HH 1.01 ! HN 1.00 KK 0.95 KP 0.99 LA 0.94 ! MC 0.97 MK 0.99 NL 1.06 NY 1.00* ! ON 1.02 OV 1.00* PT 0.98 SC 1.03 ! WF 0.99 WZ 1.01 ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.94 GC 1.08 HH 1.40 ! HN 1.01 KK 0.96 KP 1.00 LA 0.96 ! MC 1.05 MK 0.98 NL 1.01 NY 1.00* ! ON 1.04 OV 0.99 PT 0.91 SC 0.97 ! WF 1.04 WZ 1.26 ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 GC 1.23 HH 1.07 ! HN 0.98 KK 0.95 KP 0.99 LA 0.92 ! MC 0.97 MK 0.99 NL 1.02 NY 1.00* ! ON 1.01 OV 1.00* PT 0.90 SC 1.02 ! WF 1.06 WZ 1.02 ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 GC 1.13 HH 1.46 ! HN 1.03 KK 1.03 KP 1.01 LA 0.95 ! MC 1.10 MK 0.99 NL 1.01 NY 1.00* ! ON 1.10 OV 1.02 PT 0.93 SC 0.97 ! WF 1.05 WZ 1.28 ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 GC 1.21 HH 1.11 ! HN 0.98 KK 1.02 KP 1.01 LA 0.91 ! MC 1.03 MK 0.99 NL 1.02 NY 1.00* ! ON 1.02 OV 1.00* PT 0.90 SC 1.05 ! WF 1.04 WZ 1.04 ! ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 GC 1.10 HH 1.59 ! HN 1.03 KK 1.00 KP 1.01 LA 0.99 ! MC 1.03 MK 1.02 NL 1.03 NY 1.00* ! ON 1.09 OV 1.03 PT 0.96 SC 0.94 ! WF 1.05 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 GC 1.23 HH 1.24 ! HN 0.99 KK 0.99 KP 0.99 LA 0.94 ! MC 0.97 MK 0.98 NL 1.03 NY 1.00* ! ON 1.04 OV 1.00* PT 0.93 SC 1.01 ! WF 1.06 WZ 1.00* ! ! ! Fit before self-cal, rms=0.540502Jy sigma=0.002892 ! Fit after self-cal, rms=0.404861Jy sigma=0.002495 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6329 mas, bmaj=1.646 mas, bpa=-4.774 degrees ! Estimated noise=709.878 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 (-3.6, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0193388 Jy ! Component: 100 - total flux cleaned = 0.0250387 Jy ! Component: 150 - total flux cleaned = 0.0286856 Jy ! Component: 200 - total flux cleaned = 0.0301882 Jy ! Total flux subtracted in 200 components = 0.0301882 Jy ! Clean residual min=-0.022853 max=0.023862 Jy/beam ! Clean residual mean=0.000020 rms=0.005983 Jy/beam ! Combined flux in latest and established models = 2.39391 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 61 components and 2.39391 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397564Jy sigma=0.002430 ! Fit after self-cal, rms=0.397032Jy sigma=0.002417 ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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=0.397032Jy sigma=0.002417 ! Fit after self-cal, rms=0.372892Jy sigma=0.002348 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6364 mas, bmaj=1.644 mas, bpa=-4.697 degrees ! Estimated noise=709.147 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000639723 Jy ! Component: 100 - total flux cleaned = 0.000787381 Jy ! Component: 150 - total flux cleaned = 0.00200037 Jy ! Component: 200 - total flux cleaned = 0.0030446 Jy ! Total flux subtracted in 200 components = 0.0030446 Jy ! Clean residual min=-0.014496 max=0.018923 Jy/beam ! Clean residual mean=0.000536 rms=0.004429 Jy/beam ! Combined flux in latest and established models = 2.39695 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 2.39695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.368957Jy sigma=0.002323 ! Fit after self-cal, rms=0.368821Jy sigma=0.002320 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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 (-6.2, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0168322 Jy ! Component: 100 - total flux cleaned = 0.0199786 Jy ! Component: 150 - total flux cleaned = 0.0217671 Jy ! Component: 200 - total flux cleaned = 0.0233659 Jy ! Total flux subtracted in 200 components = 0.0233659 Jy ! Clean residual min=-0.013441 max=0.013874 Jy/beam ! Clean residual mean=0.000170 rms=0.003541 Jy/beam ! Combined flux in latest and established models = 2.42032 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 79 components and 2.42032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.366635Jy sigma=0.002304 ! Fit after self-cal, rms=0.366149Jy sigma=0.002302 ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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=0.366149Jy sigma=0.002302 ! Fit after self-cal, rms=0.359570Jy sigma=0.002290 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6401 mas, bmaj=1.643 mas, bpa=-4.67 degrees ! Estimated noise=709.069 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00249556 Jy ! Component: 100 - total flux cleaned = 0.000113024 Jy ! Component: 150 - total flux cleaned = 0.00272647 Jy ! Component: 200 - total flux cleaned = 0.00460614 Jy ! Total flux subtracted in 200 components = 0.00460614 Jy ! Clean residual min=-0.011291 max=0.011931 Jy/beam ! Clean residual mean=0.000300 rms=0.003046 Jy/beam ! Combined flux in latest and established models = 2.42492 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 88 components and 2.42492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.357605Jy sigma=0.002277 ! Fit after self-cal, rms=0.357393Jy sigma=0.002275 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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 = 0.00364073 Jy ! Component: 100 - total flux cleaned = 0.00620686 Jy ! Component: 150 - total flux cleaned = 0.00778122 Jy ! Component: 200 - total flux cleaned = 0.00863666 Jy ! Total flux subtracted in 200 components = 0.00863666 Jy ! Clean residual min=-0.010711 max=0.010257 Jy/beam ! Clean residual mean=0.000168 rms=0.002767 Jy/beam ! Combined flux in latest and established models = 2.43356 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 93 components and 2.43356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356486Jy sigma=0.002270 ! Fit after self-cal, rms=0.356279Jy sigma=0.002269 ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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=0.356279Jy sigma=0.002269 ! Fit after self-cal, rms=0.354941Jy sigma=0.002265 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=2.452 mas, bmaj=3.291 mas, bpa=-14.19 degrees ! Estimated noise=896.272 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0097303 Jy ! Component: 100 - total flux cleaned = 0.0113665 Jy ! Component: 150 - total flux cleaned = 0.0120298 Jy ! Component: 200 - total flux cleaned = 0.0122078 Jy ! Total flux subtracted in 200 components = 0.0122078 Jy ! Clean residual min=-0.007203 max=0.009179 Jy/beam ! Clean residual mean=0.000099 rms=0.002800 Jy/beam ! Combined flux in latest and established models = 2.44577 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 111 components and 2.44577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354725Jy sigma=0.002261 ! Fit after self-cal, rms=0.354591Jy sigma=0.002260 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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 = 0.00429842 Jy ! Component: 100 - total flux cleaned = 0.00500766 Jy ! Component: 150 - total flux cleaned = 0.00527114 Jy ! Component: 200 - total flux cleaned = 0.00527136 Jy ! Total flux subtracted in 200 components = 0.00527136 Jy ! Clean residual min=-0.006694 max=0.007348 Jy/beam ! Clean residual mean=-0.000091 rms=0.002594 Jy/beam ! Combined flux in latest and established models = 2.45104 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 117 components and 2.45104 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354521Jy sigma=0.002259 ! Fit after self-cal, rms=0.354460Jy sigma=0.002259 ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6427 mas, bmaj=1.645 mas, bpa=-4.678 degrees ! Estimated noise=708.953 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6427 x 1.645 at -4.678 degrees (North through East) ! Clean map min=-0.0077969 max=1.7071 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354460Jy sigma=0.002259 ! Fit after self-cal, rms=0.512934Jy sigma=0.001962 ! Inverting map and beam ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6427 mas, bmaj=1.641 mas, bpa=-4.638 degrees ! Estimated noise=707.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00333612 Jy ! Component: 100 - total flux cleaned = -0.00310212 Jy ! Component: 150 - total flux cleaned = -0.00233801 Jy ! Component: 200 - total flux cleaned = -0.00188467 Jy ! Total flux subtracted in 200 components = -0.00188467 Jy ! Clean residual min=-0.007514 max=0.008811 Jy/beam ! Clean residual mean=0.000285 rms=0.002077 Jy/beam ! Combined flux in latest and established models = 2.44915 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 124 components and 2.44915 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.512285Jy sigma=0.001957 ! Fit after self-cal, rms=0.512155Jy sigma=0.001957 ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00133585 Jy ! Component: 100 - total flux cleaned = 0.00241083 Jy ! Component: 150 - total flux cleaned = 0.00260473 Jy ! Component: 200 - total flux cleaned = 0.00278462 Jy ! Total flux subtracted in 200 components = 0.00278462 Jy ! Clean residual min=-0.007215 max=0.007304 Jy/beam ! Clean residual mean=0.000242 rms=0.001977 Jy/beam ! Combined flux in latest and established models = 2.45194 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 128 components and 2.45194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.511843Jy sigma=0.001955 ! Fit after self-cal, rms=0.511759Jy sigma=0.001954 ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.511759Jy sigma=0.001954 ! Fit after self-cal, rms=0.652407Jy sigma=0.001952 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 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.5422 mas, bmaj=1.209 mas, bpa=-1.383 degrees ! Estimated noise=1229.51 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.30918 Jy ! Component: 100 - total flux cleaned = 1.66454 Jy ! Component: 150 - total flux cleaned = 1.84115 Jy ! Component: 200 - total flux cleaned = 1.95798 Jy ! Total flux subtracted in 200 components = 1.95798 Jy ! Clean residual min=-0.039855 max=0.065080 Jy/beam ! Clean residual mean=0.000676 rms=0.015928 Jy/beam ! Combined flux in latest and established models = 1.95798 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.95798 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6441 mas, bmaj=1.642 mas, bpa=-4.654 degrees ! Estimated noise=707.427 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 = 0.151889 Jy ! Component: 100 - total flux cleaned = 0.24295 Jy ! Component: 150 - total flux cleaned = 0.305543 Jy ! Component: 200 - total flux cleaned = 0.351235 Jy ! Total flux subtracted in 200 components = 0.351235 Jy ! Clean residual min=-0.011718 max=0.028547 Jy/beam ! Clean residual mean=0.002309 rms=0.007197 Jy/beam ! Combined flux in latest and established models = 2.30922 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 59 components and 2.30922 Jy ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 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 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=2.449 mas, bmaj=3.292 mas, bpa=-14.15 degrees ! Estimated noise=892.891 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0626734 Jy ! Component: 100 - total flux cleaned = 0.095929 Jy ! Component: 150 - total flux cleaned = 0.115311 Jy ! Component: 200 - total flux cleaned = 0.126938 Jy ! Total flux subtracted in 200 components = 0.126938 Jy ! Clean residual min=-0.005654 max=0.007633 Jy/beam ! Clean residual mean=0.001071 rms=0.002846 Jy/beam ! Combined flux in latest and established models = 2.43615 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 = 0.00711616 Jy ! Component: 100 - total flux cleaned = 0.0115125 Jy ! Component: 150 - total flux cleaned = 0.0134198 Jy ! Component: 200 - total flux cleaned = 0.0140783 Jy ! Total flux subtracted in 200 components = 0.0140783 Jy ! Clean residual min=-0.005728 max=0.005923 Jy/beam ! Clean residual mean=0.000547 rms=0.002177 Jy/beam ! Combined flux in latest and established models = 2.45023 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 140 components and 2.45023 Jy ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! Estimated beam: bmin=0.6441 mas, bmaj=1.642 mas, bpa=-4.654 degrees ! Estimated noise=707.427 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00264312 Jy ! Component: 100 - total flux cleaned = -0.00147817 Jy ! Component: 150 - total flux cleaned = -0.000963114 Jy ! Component: 200 - total flux cleaned = -0.000503717 Jy ! Total flux subtracted in 200 components = -0.000503717 Jy ! Clean residual min=-0.007052 max=0.009215 Jy/beam ! Clean residual mean=0.000243 rms=0.001929 Jy/beam ! Combined flux in latest and established models = 2.44973 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 152 components and 2.44973 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.651747Jy sigma=0.001953 ! Fit after self-cal, rms=0.651451Jy sigma=0.001950 wmodel J0006-0623_X_1999_05_10_pus_map.mod ! Writing 152 model components to file: J0006-0623_X_1999_05_10_pus_map.mod wobs J0006-0623_X_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J0006-0623_X_1999_05_10_pus_uvs.fits wwins J0006-0623_X_1999_05_10_pus_map.win ! wwins: Wrote 4 windows to J0006-0623_X_1999_05_10_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 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00335517 Jy ! Component: 100 - total flux cleaned = 0.00323167 Jy ! Component: 150 - total flux cleaned = 0.00359176 Jy ! Component: 200 - total flux cleaned = 0.00382092 Jy ! Component: 250 - total flux cleaned = 0.00414663 Jy ! Component: 300 - total flux cleaned = 0.00414561 Jy ! Component: 350 - total flux cleaned = 0.00434917 Jy ! Component: 400 - total flux cleaned = 0.00455001 Jy ! Component: 450 - total flux cleaned = 0.00494592 Jy ! Component: 500 - total flux cleaned = 0.00533451 Jy ! Component: 550 - total flux cleaned = 0.00571497 Jy ! Component: 600 - total flux cleaned = 0.0060893 Jy ! Component: 650 - total flux cleaned = 0.00618005 Jy ! Component: 700 - total flux cleaned = 0.0063613 Jy ! Component: 750 - total flux cleaned = 0.00662963 Jy ! Component: 800 - total flux cleaned = 0.006807 Jy ! Component: 850 - total flux cleaned = 0.00715541 Jy ! Component: 900 - total flux cleaned = 0.00741363 Jy ! Component: 950 - total flux cleaned = 0.00766882 Jy ! Component: 1000 - total flux cleaned = 0.0079216 Jy ! Total flux subtracted in 1024 components = 0.00808869 Jy ! Clean residual min=-0.004371 max=0.005323 Jy/beam ! Clean residual mean=0.000155 rms=0.001529 Jy/beam ! Combined flux in latest and established models = 2.45782 Jy keep ! Adding 65 model components to the UV plane model. ! The established model now contains 215 components and 2.45782 Jy ![Exited script file: muppet] wmap "J0006-0623_X_1999_05_10_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6441 x 1.642 at -4.654 degrees (North through East) ! Clean map min=-0.0056144 max=1.7146 Jy/beam ! Writing clean map to FITS file: J0006-0623_X_1999_05_10_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.71464 invert ! Inverting map ! Your choice of large map pixels excluded 7.69% of the data. ! The x-axis pixel size should ideally be below 0.1623 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00152907 device "J0006-0623_X_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J0006-0623_X_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.267532 0.267532 0.535063 1.07013 2.14025 4.2805 8.56101 17.122 34.244 68.4881 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0045 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.714 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6441 x 1.642 at -4.654 degrees (North through East) ! Clean map min=-0.0056144 max=1.7146 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0006-0623_X_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J0006-0623_X_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0006-0623_X_1999_05_10_pus_uvs.log closed on Mon Jan 14 12:28:10 2008