! Started logfile: J1911-2006_X_1998_10_01_pus_uvs.log on Wed Feb 6 12:38:58 2008 obs J1911-2006_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J1911-2006_X_1998_10_01_pus_uva.fits ! AN table 1: 321 integrations on 136 of 136 possible baselines. ! AN table 2: 24 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.152621 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1911-2006 ! ! 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 8.40798e+09 4e+06 1 4e+06 ! 02 2 8.47798e+09 4e+06 1 4e+06 ! 03 3 8.79298e+09 4e+06 1 4e+06 ! 04 4 8.89798e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 2049 lines of history. ! ! Reading 28644 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 J1911-2006_X_1998_10_01_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 3688 telescope corrections were flagged in sub-array 1. ! A total of 408 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3688 telescope corrections were flagged in sub-array 1. ! A total of 408 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3688 telescope corrections were flagged in sub-array 1. ! A total of 408 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3688 telescope corrections were flagged in sub-array 1. ! A total of 408 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.546029Jy sigma=0.014983 ! Fit after self-cal, rms=1.167574Jy sigma=0.012141 ! 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 0.149% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.6513 mas, bmaj=1.813 mas, bpa=-2.813 degrees ! Estimated noise=868.801 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 = 1.54559 Jy ! Component: 100 - total flux cleaned = 1.90981 Jy ! Total flux subtracted in 100 components = 1.90981 Jy ! Clean residual min=-0.041382 max=0.142960 Jy/beam ! Clean residual mean=0.002363 rms=0.017345 Jy/beam ! Combined flux in latest and established models = 1.90981 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.90981 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.477392Jy sigma=0.004676 ! Fit after self-cal, rms=0.477386Jy sigma=0.004676 ! Inverting map ! Your choice of large map pixels excluded 0.149% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.167793 Jy ! Component: 100 - total flux cleaned = 0.268637 Jy ! Total flux subtracted in 100 components = 0.268638 Jy ! Clean residual min=-0.031855 max=0.056760 Jy/beam ! Clean residual mean=0.001300 rms=0.010134 Jy/beam ! Combined flux in latest and established models = 2.17844 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 2.17844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380315Jy sigma=0.003378 ! Fit after self-cal, rms=0.380251Jy sigma=0.003377 ! Inverting map ! Your choice of large map pixels excluded 0.149% of the data. ! The x-axis pixel size should ideally be below 0.1981 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 0.149% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.7914 mas, bmaj=2.378 mas, bpa=-7.344 degrees ! Estimated noise=442.794 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 = 0.113133 Jy ! Component: 100 - total flux cleaned = 0.16481 Jy ! Component: 150 - total flux cleaned = 0.190894 Jy ! Component: 200 - total flux cleaned = 0.204307 Jy ! Total flux subtracted in 200 components = 0.204307 Jy ! Clean residual min=-0.020851 max=0.055140 Jy/beam ! Clean residual mean=0.002328 rms=0.009958 Jy/beam ! Combined flux in latest and established models = 2.38275 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 34 components and 2.38275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358887Jy sigma=0.002939 ! Fit after self-cal, rms=0.358793Jy sigma=0.002938 ! Inverting map ! Your choice of large map pixels excluded 0.149% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Added new window around map position (1, 2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0570902 Jy ! Component: 100 - total flux cleaned = 0.075145 Jy ! Component: 150 - total flux cleaned = 0.0778252 Jy ! Component: 200 - total flux cleaned = 0.0785349 Jy ! Total flux subtracted in 200 components = 0.0785349 Jy ! Clean residual min=-0.021809 max=0.025146 Jy/beam ! Clean residual mean=0.000071 rms=0.007033 Jy/beam ! Combined flux in latest and established models = 2.46129 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 61 components and 2.46128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350844Jy sigma=0.002813 ! Fit after self-cal, rms=0.349495Jy sigma=0.002798 ! Inverting map ! Your choice of large map pixels excluded 0.149% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 GC 1.00* HN 0.98 ! KK 1.05 KP 0.97 LA 1.02 MK 0.96 ! NL 1.03 NY 1.00* ON 1.00* OV 1.02 ! PT 1.00 SC 1.00 WF 1.08 MC 1.00* ! GN 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 GC 1.00* HN 1.03 ! KK 1.05 KP 0.99 LA 0.97 MK 0.96 ! NL 1.05 NY 1.00* ON 1.00* OV 1.02 ! PT 1.00 SC 0.99 WF 1.08 MC 1.00* ! GN 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 GC 1.00* HN 0.97 ! KK 1.05 KP 1.01 LA 0.97 MK 0.99 ! NL 1.02 NY 1.00* ON 1.00* OV 0.98 ! PT 1.01 SC 1.02 WF 1.10 MC 1.00* ! GN 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 GC 1.00* HN 1.02 ! KK 1.05 KP 0.99 LA 0.99 MK 0.95 ! NL 1.03 NY 1.00* ON 1.00* OV 1.00 ! PT 0.96 SC 0.99 WF 1.10 MC 1.00* ! GN 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Fit before self-cal, rms=0.349495Jy sigma=0.002798 ! Fit after self-cal, rms=0.343122Jy sigma=0.002659 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.8002 mas, bmaj=2.392 mas, bpa=-7.555 degrees ! Estimated noise=444.071 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 = 0.00365459 Jy ! Component: 100 - total flux cleaned = 0.00456656 Jy ! Component: 150 - total flux cleaned = 0.00531115 Jy ! Component: 200 - total flux cleaned = 0.00626179 Jy ! Total flux subtracted in 200 components = 0.00626179 Jy ! Clean residual min=-0.015348 max=0.019751 Jy/beam ! Clean residual mean=-0.000299 rms=0.006051 Jy/beam ! Combined flux in latest and established models = 2.46755 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 76 components and 2.46755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.341870Jy sigma=0.002647 ! Fit after self-cal, rms=0.341955Jy sigma=0.002646 ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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=0.341955Jy sigma=0.002646 ! Fit after self-cal, rms=0.322881Jy sigma=0.002462 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.8031 mas, bmaj=2.408 mas, bpa=-7.545 degrees ! Estimated noise=444.424 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00261529 Jy ! Component: 100 - total flux cleaned = 0.00409192 Jy ! Component: 150 - total flux cleaned = 0.00523715 Jy ! Component: 200 - total flux cleaned = 0.00619335 Jy ! Total flux subtracted in 200 components = 0.00619335 Jy ! Clean residual min=-0.008001 max=0.017722 Jy/beam ! Clean residual mean=0.000694 rms=0.003329 Jy/beam ! Combined flux in latest and established models = 2.47374 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 90 components and 2.47374 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322087Jy sigma=0.002454 ! Fit after self-cal, rms=0.322099Jy sigma=0.002453 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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 (3, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171458 Jy ! Component: 100 - total flux cleaned = 0.0192347 Jy ! Component: 150 - total flux cleaned = 0.0200081 Jy ! Component: 200 - total flux cleaned = 0.0213349 Jy ! Total flux subtracted in 200 components = 0.0213349 Jy ! Clean residual min=-0.007772 max=0.009385 Jy/beam ! Clean residual mean=0.000137 rms=0.002653 Jy/beam ! Combined flux in latest and established models = 2.49508 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 109 components and 2.49508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321187Jy sigma=0.002440 ! Fit after self-cal, rms=0.321069Jy sigma=0.002439 ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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=0.321069Jy sigma=0.002439 ! Fit after self-cal, rms=0.320050Jy sigma=0.002413 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.8041 mas, bmaj=2.41 mas, bpa=-7.528 degrees ! Estimated noise=444.413 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00851248 Jy ! Component: 100 - total flux cleaned = 0.00936439 Jy ! Component: 150 - total flux cleaned = 0.00958306 Jy ! Component: 200 - total flux cleaned = 0.010382 Jy ! Total flux subtracted in 200 components = 0.010382 Jy ! Clean residual min=-0.005964 max=0.007580 Jy/beam ! Clean residual mean=0.000025 rms=0.001821 Jy/beam ! Combined flux in latest and established models = 2.50546 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 125 components and 2.50546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319606Jy sigma=0.002407 ! Fit after self-cal, rms=0.319607Jy sigma=0.002406 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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 = 0.00292498 Jy ! Component: 100 - total flux cleaned = 0.00381808 Jy ! Component: 150 - total flux cleaned = 0.00412913 Jy ! Component: 200 - total flux cleaned = 0.00440981 Jy ! Total flux subtracted in 200 components = 0.00440981 Jy ! Clean residual min=-0.005807 max=0.006383 Jy/beam ! Clean residual mean=-0.000093 rms=0.001671 Jy/beam ! Combined flux in latest and established models = 2.50987 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 136 components and 2.50987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319435Jy sigma=0.002404 ! Fit after self-cal, rms=0.319411Jy sigma=0.002404 ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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=0.319411Jy sigma=0.002404 ! Fit after self-cal, rms=0.319733Jy sigma=0.002403 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=2.215 mas, bmaj=4.718 mas, bpa=1.557 degrees ! Estimated noise=556.242 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00439704 Jy ! Component: 100 - total flux cleaned = 0.00558152 Jy ! Component: 150 - total flux cleaned = 0.00587064 Jy ! Component: 200 - total flux cleaned = 0.00599448 Jy ! Total flux subtracted in 200 components = 0.00599448 Jy ! Clean residual min=-0.004487 max=0.005453 Jy/beam ! Clean residual mean=0.000008 rms=0.001876 Jy/beam ! Combined flux in latest and established models = 2.51586 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 152 components and 2.51586 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319668Jy sigma=0.002402 ! Fit after self-cal, rms=0.319615Jy sigma=0.002401 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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 = 0.000993668 Jy ! Component: 100 - total flux cleaned = 0.00181412 Jy ! Component: 150 - total flux cleaned = 0.00181852 Jy ! Component: 200 - total flux cleaned = 0.00181839 Jy ! Total flux subtracted in 200 components = 0.00181839 Jy ! Clean residual min=-0.004059 max=0.004780 Jy/beam ! Clean residual mean=-0.000100 rms=0.001807 Jy/beam ! Combined flux in latest and established models = 2.51768 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 158 components and 2.51768 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.319588Jy sigma=0.002401 ! Fit after self-cal, rms=0.319563Jy sigma=0.002401 ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.8047 mas, bmaj=2.411 mas, bpa=-7.508 degrees ! Estimated noise=444.387 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8047 x 2.411 at -7.508 degrees (North through East) ! Clean map min=-0.0065195 max=2.0759 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=0.319563Jy sigma=0.002401 ! Fit after self-cal, rms=0.298417Jy sigma=0.002211 ! Inverting map and beam ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.8047 mas, bmaj=2.412 mas, bpa=-7.498 degrees ! Estimated noise=444.288 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000426582 Jy ! Component: 100 - total flux cleaned = -0.000420902 Jy ! Component: 150 - total flux cleaned = -0.000413672 Jy ! Component: 200 - total flux cleaned = -0.000736704 Jy ! Total flux subtracted in 200 components = -0.000736704 Jy ! Clean residual min=-0.005213 max=0.004729 Jy/beam ! Clean residual mean=-0.000080 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 2.51694 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 172 components and 2.51694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298295Jy sigma=0.002210 ! Fit after self-cal, rms=0.298286Jy sigma=0.002210 ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000856797 Jy ! Component: 100 - total flux cleaned = 0.000662555 Jy ! Component: 150 - total flux cleaned = 0.000571451 Jy ! Component: 200 - total flux cleaned = 0.000484137 Jy ! Total flux subtracted in 200 components = 0.000484137 Jy ! Clean residual min=-0.005210 max=0.004320 Jy/beam ! Clean residual mean=-0.000095 rms=0.001299 Jy/beam ! Combined flux in latest and established models = 2.51743 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 177 components and 2.51743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298230Jy sigma=0.002209 ! Fit after self-cal, rms=0.298224Jy sigma=0.002209 ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298224Jy sigma=0.002209 ! Fit after self-cal, rms=0.298219Jy sigma=0.002209 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 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.6557 mas, bmaj=1.831 mas, bpa=-2.895 degrees ! Estimated noise=881.349 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.55969 Jy ! Component: 100 - total flux cleaned = 1.91957 Jy ! Component: 150 - total flux cleaned = 2.07508 Jy ! Component: 200 - total flux cleaned = 2.16873 Jy ! Total flux subtracted in 200 components = 2.16873 Jy ! Clean residual min=-0.018932 max=0.048966 Jy/beam ! Clean residual mean=0.001405 rms=0.007371 Jy/beam ! Combined flux in latest and established models = 2.16873 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 15 model components to the UV plane model. ! The established model now contains 15 components and 2.16873 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.8052 mas, bmaj=2.413 mas, bpa=-7.473 degrees ! Estimated noise=444.154 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 = 0.121645 Jy ! Component: 100 - total flux cleaned = 0.192635 Jy ! Component: 150 - total flux cleaned = 0.237977 Jy ! Component: 200 - total flux cleaned = 0.268645 Jy ! Total flux subtracted in 200 components = 0.268645 Jy ! Clean residual min=-0.006956 max=0.016882 Jy/beam ! Clean residual mean=0.002126 rms=0.003891 Jy/beam ! Combined flux in latest and established models = 2.43737 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 75 components and 2.43737 Jy ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0213345 Jy ! Component: 100 - total flux cleaned = 0.0366088 Jy ! Component: 150 - total flux cleaned = 0.0477749 Jy ! Component: 200 - total flux cleaned = 0.0560643 Jy ! Total flux subtracted in 200 components = 0.0560643 Jy ! Clean residual min=-0.004864 max=0.007592 Jy/beam ! Clean residual mean=0.000579 rms=0.001687 Jy/beam ! Combined flux in latest and established models = 2.49344 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 112 components and 2.49344 Jy ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Added new window around map position (5, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00764649 Jy ! Component: 100 - total flux cleaned = 0.0128636 Jy ! Component: 150 - total flux cleaned = 0.0161914 Jy ! Component: 200 - total flux cleaned = 0.0184073 Jy ! Total flux subtracted in 200 components = 0.0184073 Jy ! Clean residual min=-0.004929 max=0.004215 Jy/beam ! Clean residual mean=0.000109 rms=0.001252 Jy/beam ! Combined flux in latest and established models = 2.51185 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 136 components and 2.51185 Jy ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 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 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=2.215 mas, bmaj=4.721 mas, bpa=1.548 degrees ! Estimated noise=555.319 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00345882 Jy ! Component: 100 - total flux cleaned = 0.00448398 Jy ! Component: 150 - total flux cleaned = 0.00528645 Jy ! Component: 200 - total flux cleaned = 0.00581239 Jy ! Total flux subtracted in 200 components = 0.00581239 Jy ! Clean residual min=-0.003461 max=0.003695 Jy/beam ! Clean residual mean=-0.000096 rms=0.001299 Jy/beam ! Combined flux in latest and established models = 2.51766 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 = 0.000332584 Jy ! Component: 100 - total flux cleaned = 0.000663727 Jy ! Component: 150 - total flux cleaned = 0.000746772 Jy ! Component: 200 - total flux cleaned = 0.000708278 Jy ! Total flux subtracted in 200 components = 0.000708278 Jy ! Clean residual min=-0.003187 max=0.003548 Jy/beam ! Clean residual mean=-0.000132 rms=0.001244 Jy/beam ! Combined flux in latest and established models = 2.51837 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 191 components and 2.51837 Jy ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! Estimated beam: bmin=0.8052 mas, bmaj=2.413 mas, bpa=-7.473 degrees ! Estimated noise=444.154 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00143188 Jy ! Component: 100 - total flux cleaned = -0.00101354 Jy ! Component: 150 - total flux cleaned = -0.000822499 Jy ! Component: 200 - total flux cleaned = -0.000554373 Jy ! Total flux subtracted in 200 components = -0.000554373 Jy ! Clean residual min=-0.004862 max=0.004036 Jy/beam ! Clean residual mean=-0.000045 rms=0.001140 Jy/beam ! Combined flux in latest and established models = 2.51781 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 199 components and 2.51781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298232Jy sigma=0.002209 ! Fit after self-cal, rms=0.298173Jy sigma=0.002208 wmodel J1911-2006_X_1998_10_01_pus_map.mod ! Writing 199 model components to file: J1911-2006_X_1998_10_01_pus_map.mod wobs J1911-2006_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J1911-2006_X_1998_10_01_pus_uvs.fits wwins J1911-2006_X_1998_10_01_pus_map.win ! wwins: Wrote 4 windows to J1911-2006_X_1998_10_01_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 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00216444 Jy ! Component: 100 - total flux cleaned = -0.00394343 Jy ! Component: 150 - total flux cleaned = -0.00515675 Jy ! Component: 200 - total flux cleaned = -0.00591685 Jy ! Component: 250 - total flux cleaned = -0.00597658 Jy ! Component: 300 - total flux cleaned = -0.00591882 Jy ! Component: 350 - total flux cleaned = -0.00614464 Jy ! Component: 400 - total flux cleaned = -0.00625397 Jy ! Component: 450 - total flux cleaned = -0.00630816 Jy ! Component: 500 - total flux cleaned = -0.00651847 Jy ! Component: 550 - total flux cleaned = -0.00656944 Jy ! Component: 600 - total flux cleaned = -0.00656944 Jy ! Component: 650 - total flux cleaned = -0.00661908 Jy ! Component: 700 - total flux cleaned = -0.0066196 Jy ! Component: 750 - total flux cleaned = -0.00671615 Jy ! Component: 800 - total flux cleaned = -0.00681003 Jy ! Component: 850 - total flux cleaned = -0.00690227 Jy ! Component: 900 - total flux cleaned = -0.00690212 Jy ! Component: 950 - total flux cleaned = -0.00685738 Jy ! Component: 1000 - total flux cleaned = -0.00694514 Jy ! Total flux subtracted in 1024 components = -0.00690157 Jy ! Clean residual min=-0.002270 max=0.002616 Jy/beam ! Clean residual mean=0.000072 rms=0.000867 Jy/beam ! Combined flux in latest and established models = 2.51091 Jy keep ! Adding 64 model components to the UV plane model. ! The established model now contains 263 components and 2.51091 Jy ![Exited script file: muppet] wmap "J1911-2006_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8052 x 2.413 at -7.473 degrees (North through East) ! Clean map min=-0.004231 max=2.075 Jy/beam ! Writing clean map to FITS file: J1911-2006_X_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.07504 invert ! Inverting map ! Your choice of large map pixels excluded 0.15% of the data. ! The x-axis pixel size should ideally be below 0.1981 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000868621 device "J1911-2006_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J1911-2006_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.125581 0.125581 0.251162 0.502325 1.00465 2.0093 4.0186 8.0372 16.0744 32.1488 64.2976 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.075 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8052 x 2.413 at -7.473 degrees (North through East) ! Clean map min=-0.004231 max=2.075 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1911-2006_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J1911-2006_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1911-2006_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 12:39:09 2008