! Started logfile: J0438-1251_X_2011_06_28_pus_uvs.log on Sat Apr 21 12:58:23 2012 obs J0438-1251_X_2011_06_28_pus_uva.fits ! Reading UV FITS file: J0438-1251_X_2011_06_28_pus_uva.fits ! AN table 1: 106 integrations on 153 of 153 possible baselines. ! AN table 2: 107 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.117463 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0438-1251 ! ! 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 5249 lines of history. ! ! Reading 15312 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 = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0438-1251_X_2011_06_28_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 = 512x512 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 1287 telescope corrections were flagged in sub-array 1. ! A total of 1393 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1287 telescope corrections were flagged in sub-array 1. ! A total of 1393 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1287 telescope corrections were flagged in sub-array 1. ! A total of 1423 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1287 telescope corrections were flagged in sub-array 1. ! A total of 1405 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.701017Jy sigma=0.007503 ! Fit after self-cal, rms=0.662219Jy sigma=0.007167 ! 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 0.967% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.6842 mas, bmaj=2.183 mas, bpa=0.4294 degrees ! Estimated noise=836.014 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 = 0.268149 Jy ! Component: 100 - total flux cleaned = 0.329261 Jy ! Total flux subtracted in 100 components = 0.329261 Jy ! Clean residual min=-0.008195 max=0.022265 Jy/beam ! Clean residual mean=-0.000081 rms=0.002290 Jy/beam ! Combined flux in latest and established models = 0.329261 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.329261 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150478Jy sigma=0.001417 ! Fit after self-cal, rms=0.150465Jy sigma=0.001417 ! Inverting map ! Your choice of large map pixels excluded 0.967% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254517 Jy ! Component: 100 - total flux cleaned = 0.0402071 Jy ! Total flux subtracted in 100 components = 0.0402071 Jy ! Clean residual min=-0.005066 max=0.007503 Jy/beam ! Clean residual mean=-0.000010 rms=0.001456 Jy/beam ! Combined flux in latest and established models = 0.369468 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 0.369468 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145376Jy sigma=0.001344 ! Fit after self-cal, rms=0.145366Jy sigma=0.001344 ! Inverting map ! Your choice of large map pixels excluded 0.967% of the data. ! The x-axis pixel size should ideally be below 0.1896 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 0.967% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.8475 mas, bmaj=2.6 mas, bpa=-0.8888 degrees ! Estimated noise=548.505 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 = 0.0109322 Jy ! Component: 100 - total flux cleaned = 0.0161837 Jy ! Component: 150 - total flux cleaned = 0.018866 Jy ! Component: 200 - total flux cleaned = 0.0198847 Jy ! Total flux subtracted in 200 components = 0.0198847 Jy ! Clean residual min=-0.004535 max=0.005111 Jy/beam ! Clean residual mean=0.000316 rms=0.001324 Jy/beam ! Combined flux in latest and established models = 0.389353 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 48 components and 0.389353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144659Jy sigma=0.001334 ! Fit after self-cal, rms=0.144647Jy sigma=0.001334 ! Inverting map ! Your choice of large map pixels excluded 0.967% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 FT 1.00* HH 1.00* ! HN 0.91 KK 0.99 KP 1.00 MC 1.00* ! MK 0.99 NL 1.02 NY 1.00* OV 0.98 ! PT 1.00 SC 1.04 SH 1.00* TS 1.09 ! WF 1.04 WZ 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.96 FT 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.00 MC 1.00* ! MK 1.00* NL 0.99 NY 1.00* OV 0.96 ! PT 1.02 SC 0.97 SH 1.00* TS 1.00* ! WF 1.03 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 FT 1.00* HH 1.00* ! HN 0.94 KK 0.95 KP 1.00 MC 1.00* ! MK 1.01 NL 1.07 NY 1.00* OV 0.99 ! PT 1.00 SC 0.99 SH 1.00* TS 1.13 ! WF 0.94 WZ 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.94 FT 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.00 MC 1.00* ! MK 1.00* NL 1.04 NY 1.00* OV 0.99 ! PT 1.00 SC 0.99 SH 1.00* TS 1.00* ! WF 0.98 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 FT 1.00* HH 1.00* ! HN 0.93 KK 0.98 KP 0.99 MC 1.00* ! MK 0.99 NL 1.05 NY 1.00* OV 1.02 ! PT 0.99 SC 1.00 SH 1.00* TS 1.07 ! WF 1.04 WZ 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 FT 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.01 MC 1.00* ! MK 1.00* NL 0.97 NY 1.00* OV 1.01 ! PT 0.99 SC 1.02 SH 1.00* TS 1.00* ! WF 1.02 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 FT 1.00* HH 1.00* ! HN 0.92 KK 1.00 KP 0.97 MC 1.00* ! MK 1.04 NL 1.07 NY 1.00* OV 1.01 ! PT 1.00 SC 1.04 SH 1.00* TS 1.04 ! WF 1.08 WZ 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.99 FT 1.00* HH 1.00* ! HN 0.95 KK 1.00* KP 0.98 MC 1.00* ! MK 1.00* NL 1.02 NY 1.00* OV 1.03 ! PT 1.03 SC 1.06 SH 1.00* TS 1.00* ! WF 0.99 WZ 1.00* ! ! ! Fit before self-cal, rms=0.144647Jy sigma=0.001334 ! Fit after self-cal, rms=0.142718Jy sigma=0.001325 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.8515 mas, bmaj=2.589 mas, bpa=-0.8761 degrees ! Estimated noise=551.994 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 = -0.00110835 Jy ! Component: 100 - total flux cleaned = -0.00139984 Jy ! Component: 150 - total flux cleaned = -0.00144634 Jy ! Component: 200 - total flux cleaned = -0.00144746 Jy ! Total flux subtracted in 200 components = -0.00144746 Jy ! Clean residual min=-0.003985 max=0.003594 Jy/beam ! Clean residual mean=0.000058 rms=0.001094 Jy/beam ! Combined flux in latest and established models = 0.387905 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 53 components and 0.387905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142677Jy sigma=0.001325 ! Fit after self-cal, rms=0.142673Jy sigma=0.001325 ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 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=0.142673Jy sigma=0.001325 ! Fit after self-cal, rms=0.143290Jy sigma=0.001315 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.8534 mas, bmaj=2.591 mas, bpa=-0.886 degrees ! Estimated noise=552.437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000232484 Jy ! Component: 100 - total flux cleaned = -0.000333296 Jy ! Component: 150 - total flux cleaned = -0.00038902 Jy ! Component: 200 - total flux cleaned = -0.000436769 Jy ! Total flux subtracted in 200 components = -0.000436769 Jy ! Clean residual min=-0.003038 max=0.002590 Jy/beam ! Clean residual mean=0.000015 rms=0.000761 Jy/beam ! Combined flux in latest and established models = 0.387468 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 56 components and 0.387468 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143280Jy sigma=0.001315 ! Fit after self-cal, rms=0.143310Jy sigma=0.001315 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 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 = 1.64229e-05 Jy ! Component: 100 - total flux cleaned = -3.02912e-05 Jy ! Component: 150 - total flux cleaned = -3.0409e-05 Jy ! Component: 200 - total flux cleaned = -4.81731e-05 Jy ! Total flux subtracted in 200 components = -4.81731e-05 Jy ! Clean residual min=-0.003036 max=0.002587 Jy/beam ! Clean residual mean=0.000019 rms=0.000757 Jy/beam ! Combined flux in latest and established models = 0.38742 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 0.38742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143306Jy sigma=0.001315 ! Fit after self-cal, rms=0.143302Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 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=0.143302Jy sigma=0.001315 ! Fit after self-cal, rms=0.144474Jy sigma=0.001313 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.8545 mas, bmaj=2.591 mas, bpa=-0.8931 degrees ! Estimated noise=552.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.55041e-05 Jy ! Component: 100 - total flux cleaned = -5.5397e-05 Jy ! Component: 150 - total flux cleaned = -7.74702e-05 Jy ! Component: 200 - total flux cleaned = -9.57359e-05 Jy ! Total flux subtracted in 200 components = -9.57359e-05 Jy ! Clean residual min=-0.002665 max=0.002507 Jy/beam ! Clean residual mean=0.000009 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 0.387324 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 61 components and 0.387324 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144470Jy sigma=0.001313 ! Fit after self-cal, rms=0.144515Jy sigma=0.001313 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 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 = -1.95749e-07 Jy ! Component: 100 - total flux cleaned = -3.71626e-05 Jy ! Component: 150 - total flux cleaned = -3.71982e-05 Jy ! Component: 200 - total flux cleaned = -5.19555e-05 Jy ! Total flux subtracted in 200 components = -5.19555e-05 Jy ! Clean residual min=-0.002621 max=0.002520 Jy/beam ! Clean residual mean=0.000013 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.387273 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 0.387273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144513Jy sigma=0.001313 ! Fit after self-cal, rms=0.144511Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 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=0.144511Jy sigma=0.001313 ! Fit after self-cal, rms=0.144698Jy sigma=0.001313 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=2.199 mas, bmaj=3.826 mas, bpa=3.95 degrees ! Estimated noise=673.338 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000132433 Jy ! Component: 100 - total flux cleaned = -1.92647e-05 Jy ! Component: 150 - total flux cleaned = 4.05335e-05 Jy ! Component: 200 - total flux cleaned = 7.21376e-05 Jy ! Total flux subtracted in 200 components = 7.21376e-05 Jy ! Clean residual min=-0.002764 max=0.002834 Jy/beam ! Clean residual mean=0.000023 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.387345 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 68 components and 0.387345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144702Jy sigma=0.001313 ! Fit after self-cal, rms=0.144700Jy sigma=0.001313 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 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 = 3.71697e-06 Jy ! Component: 100 - total flux cleaned = 4.02133e-05 Jy ! Component: 150 - total flux cleaned = 4.00833e-05 Jy ! Component: 200 - total flux cleaned = 6.62311e-05 Jy ! Total flux subtracted in 200 components = 6.62311e-05 Jy ! Clean residual min=-0.002741 max=0.002821 Jy/beam ! Clean residual mean=0.000023 rms=0.000868 Jy/beam ! Combined flux in latest and established models = 0.387411 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 68 components and 0.387411 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144703Jy sigma=0.001313 ! Fit after self-cal, rms=0.144701Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 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 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.8551 mas, bmaj=2.591 mas, bpa=-0.9037 degrees ! Estimated noise=553.28 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8551 x 2.591 at -0.9037 degrees (North through East) ! Clean map min=-0.0023319 max=0.35414 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 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.6967 mas, bmaj=2.185 mas, bpa=0.3647 degrees ! Estimated noise=849.299 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.270363 Jy ! Component: 100 - total flux cleaned = 0.330941 Jy ! Component: 150 - total flux cleaned = 0.354353 Jy ! Component: 200 - total flux cleaned = 0.367636 Jy ! Total flux subtracted in 200 components = 0.367636 Jy ! Clean residual min=-0.004139 max=0.006695 Jy/beam ! Clean residual mean=-0.000042 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 0.367636 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 0.367636 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.8551 mas, bmaj=2.591 mas, bpa=-0.9037 degrees ! Estimated noise=553.28 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 = 0.0107783 Jy ! Component: 100 - total flux cleaned = 0.0160121 Jy ! Component: 150 - total flux cleaned = 0.0186849 Jy ! Component: 200 - total flux cleaned = 0.0195199 Jy ! Total flux subtracted in 200 components = 0.0195199 Jy ! Clean residual min=-0.002594 max=0.002504 Jy/beam ! Clean residual mean=0.000013 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 0.387156 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 39 components and 0.387156 Jy ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! Estimated beam: bmin=0.8328 mas, bmaj=2.477 mas, bpa=-0.4207 degrees ! Estimated noise=646.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000401292 Jy ! Component: 100 - total flux cleaned = 0.000362461 Jy ! Component: 150 - total flux cleaned = 0.000326037 Jy ! Component: 200 - total flux cleaned = 0.000259598 Jy ! Total flux subtracted in 200 components = 0.000259598 Jy ! Clean residual min=-0.003154 max=0.002899 Jy/beam ! Clean residual mean=0.000023 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.387416 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.93537e-07 Jy ! Component: 100 - total flux cleaned = 9.95633e-07 Jy ! Component: 150 - total flux cleaned = 1.2209e-06 Jy ! Component: 200 - total flux cleaned = -2.1682e-05 Jy ! Total flux subtracted in 200 components = -2.1682e-05 Jy ! Clean residual min=-0.003156 max=0.002931 Jy/beam ! Clean residual mean=0.000023 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.387394 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 47 components and 0.387394 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144726Jy sigma=0.001313 ! Fit after self-cal, rms=0.144725Jy sigma=0.001313 wmodel J0438-1251_X_2011_06_28_pus_map.mod ! Writing 47 model components to file: J0438-1251_X_2011_06_28_pus_map.mod wobs J0438-1251_X_2011_06_28_pus_uvs.fits ! Writing UV FITS file: J0438-1251_X_2011_06_28_pus_uvs.fits wwins J0438-1251_X_2011_06_28_pus_map.win ! wwins: Wrote 1 windows to J0438-1251_X_2011_06_28_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 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000357866 Jy ! Component: 100 - total flux cleaned = -0.000609204 Jy ! Component: 150 - total flux cleaned = -0.000749082 Jy ! Component: 200 - total flux cleaned = -0.000974921 Jy ! Component: 250 - total flux cleaned = -0.00119393 Jy ! Component: 300 - total flux cleaned = -0.00140633 Jy ! Component: 350 - total flux cleaned = -0.00157201 Jy ! Component: 400 - total flux cleaned = -0.00173356 Jy ! Component: 450 - total flux cleaned = -0.00181227 Jy ! Component: 500 - total flux cleaned = -0.00173507 Jy ! Component: 550 - total flux cleaned = -0.00184928 Jy ! Component: 600 - total flux cleaned = -0.00177473 Jy ! Component: 650 - total flux cleaned = -0.00181153 Jy ! Component: 700 - total flux cleaned = -0.00184734 Jy ! Component: 750 - total flux cleaned = -0.00184729 Jy ! Component: 800 - total flux cleaned = -0.00188278 Jy ! Component: 850 - total flux cleaned = -0.0019174 Jy ! Component: 900 - total flux cleaned = -0.0019174 Jy ! Component: 950 - total flux cleaned = -0.00198449 Jy ! Component: 1000 - total flux cleaned = -0.0019177 Jy ! Component: 1050 - total flux cleaned = -0.00198353 Jy ! Component: 1100 - total flux cleaned = -0.00191853 Jy ! Component: 1150 - total flux cleaned = -0.00198255 Jy ! Component: 1200 - total flux cleaned = -0.00191906 Jy ! Component: 1250 - total flux cleaned = -0.00195076 Jy ! Component: 1300 - total flux cleaned = -0.00195074 Jy ! Component: 1350 - total flux cleaned = -0.00201217 Jy ! Component: 1400 - total flux cleaned = -0.00198173 Jy ! Component: 1450 - total flux cleaned = -0.00201196 Jy ! Component: 1500 - total flux cleaned = -0.00204177 Jy ! Component: 1550 - total flux cleaned = -0.00204178 Jy ! Component: 1600 - total flux cleaned = -0.00201253 Jy ! Component: 1650 - total flux cleaned = -0.0020416 Jy ! Component: 1700 - total flux cleaned = -0.00207035 Jy ! Component: 1750 - total flux cleaned = -0.00209882 Jy ! Component: 1800 - total flux cleaned = -0.00215507 Jy ! Component: 1850 - total flux cleaned = -0.00209939 Jy ! Component: 1900 - total flux cleaned = -0.00212709 Jy ! Component: 1950 - total flux cleaned = -0.00212706 Jy ! Component: 2000 - total flux cleaned = -0.00207275 Jy ! Total flux subtracted in 2048 components = -0.00212683 Jy ! Clean residual min=-0.001660 max=0.001644 Jy/beam ! Clean residual mean=0.000035 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.385267 Jy keep ! Adding 160 model components to the UV plane model. ! The established model now contains 207 components and 0.385267 Jy ![Exited script file: muppet] wmap "J0438-1251_X_2011_06_28_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8328 x 2.477 at -0.4207 degrees (North through East) ! Clean map min=-0.0023117 max=0.35325 Jy/beam ! Writing clean map to FITS file: J0438-1251_X_2011_06_28_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.353246 invert ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1896 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000541035 device "J0438-1251_X_2011_06_28_pus\_map.eps/VPS" ! Attempting to open device: 'J0438-1251_X_2011_06_28_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.459483 0.459483 0.918965 1.83793 3.67586 7.35172 14.7034 29.4069 58.8138 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.353 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8328 x 2.477 at -0.4207 degrees (North through East) ! Clean map min=-0.0023117 max=0.35325 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0438-1251_X_2011_06_28_pus\_map.gif/vgif" ! Attempting to open device: 'J0438-1251_X_2011_06_28_pus_map.gif/vgif' mapplot cln