! Started logfile: J2253+1942_S_2009_04_21_pus_uvs.log on Mon Jan 24 18:37:13 2011 obs J2253+1942_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J2253+1942_S_2009_04_21_pus_uva.fits ! AN table 1: 280 integrations on 120 of 120 possible baselines. ! AN table 2: 60 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.455025 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2253+1942 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1864 lines of history. ! ! Reading 74260 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J2253+1942_S_2009_04_21_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 0.500x0.500 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 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.854701Jy sigma=0.007285 ! Fit after self-cal, rms=0.816092Jy sigma=0.007001 ! 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 ! Estimated beam: bmin=2.043 mas, bmaj=4.023 mas, bpa=-7.042 degrees ! Estimated noise=652.677 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 = 0.155121 Jy ! Component: 100 - total flux cleaned = 0.195906 Jy ! Total flux subtracted in 100 components = 0.195906 Jy ! Clean residual min=-0.008032 max=0.018598 Jy/beam ! Clean residual mean=0.000140 rms=0.002247 Jy/beam ! Combined flux in latest and established models = 0.195906 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.195906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185184Jy sigma=0.001371 ! Fit after self-cal, rms=0.185149Jy sigma=0.001371 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0224497 Jy ! Component: 100 - total flux cleaned = 0.0359761 Jy ! Total flux subtracted in 100 components = 0.0359761 Jy ! Clean residual min=-0.006755 max=0.007135 Jy/beam ! Clean residual mean=0.000076 rms=0.001672 Jy/beam ! Combined flux in latest and established models = 0.231882 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 27 components and 0.231882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182107Jy sigma=0.001334 ! Fit after self-cal, rms=0.182068Jy sigma=0.001333 ! Inverting map 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 ! Estimated beam: bmin=2.223 mas, bmaj=4.962 mas, bpa=-6.048 degrees ! Estimated noise=309.142 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 = 0.0114209 Jy ! Component: 100 - total flux cleaned = 0.0174264 Jy ! Component: 150 - total flux cleaned = 0.0208633 Jy ! Component: 200 - total flux cleaned = 0.0228723 Jy ! Total flux subtracted in 200 components = 0.0228723 Jy ! Clean residual min=-0.003753 max=0.003430 Jy/beam ! Clean residual mean=0.000177 rms=0.000921 Jy/beam ! Combined flux in latest and established models = 0.254754 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 43 components and 0.254754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181425Jy sigma=0.001326 ! Fit after self-cal, rms=0.181414Jy sigma=0.001326 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 1.04 KB 0.92 ! KK 1.04 KP 0.97 LA 1.02 MK 0.93 ! NL 1.00 NY 0.99 OV 0.94 PT 1.22 ! SC 0.98 TS 0.94 WZ 1.06 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.94 HN 1.00* KB 1.00* ! KK 1.00* KP 0.89 LA 0.99 MK 1.09 ! NL 1.00* NY 1.00* OV 0.97 PT 1.03 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.04 KB 1.03 ! KK 0.99 KP 1.02 LA 0.94 MK 1.00 ! NL 1.00 NY 1.01 OV 0.97 PT 1.19 ! SC 1.10 TS 0.97 WZ 0.99 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.00 HN 1.00* KB 1.00* ! KK 1.00* KP 1.01 LA 0.93 MK 1.04 ! NL 1.00* NY 1.00* OV 0.96 PT 1.01 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 1.02 KB 1.00 ! KK 1.02 KP 1.00 LA 1.01 MK 1.01 ! NL 0.99 NY 0.94 OV 1.01 PT 1.04 ! SC 0.98 TS 0.97 WZ 0.90 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 HN 1.00* KB 1.00* ! KK 1.00* KP 1.00 LA 1.02 MK 1.13 ! NL 1.00* NY 1.00* OV 0.99 PT 1.09 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.03 KB 0.93 ! KK 1.00 KP 1.00 LA 0.98 MK 1.01 ! NL 0.99 NY 0.94 OV 0.84 PT 0.91 ! SC 0.97 TS 0.97 WZ 0.92 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.02 HN 1.00* KB 1.00* ! KK 1.00* KP 1.04 LA 0.98 MK 0.97 ! NL 1.00* NY 1.00* OV 0.79 PT 0.88 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.181414Jy sigma=0.001326 ! Fit after self-cal, rms=0.178924Jy sigma=0.001309 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.202 mas, bmaj=4.961 mas, bpa=-6.291 degrees ! Estimated noise=307.891 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 = 0.00172895 Jy ! Component: 100 - total flux cleaned = 0.00207042 Jy ! Component: 150 - total flux cleaned = 0.00233718 Jy ! Component: 200 - total flux cleaned = 0.00255214 Jy ! Total flux subtracted in 200 components = 0.00255214 Jy ! Clean residual min=-0.002813 max=0.003312 Jy/beam ! Clean residual mean=0.000273 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 0.257306 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 49 components and 0.257306 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178887Jy sigma=0.001309 ! Fit after self-cal, rms=0.178947Jy sigma=0.001308 ! Inverting map 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=0.178947Jy sigma=0.001308 ! Fit after self-cal, rms=0.181179Jy sigma=0.001304 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.194 mas, bmaj=4.955 mas, bpa=-6.205 degrees ! Estimated noise=307.842 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149185 Jy ! Component: 100 - total flux cleaned = 0.00174429 Jy ! Component: 150 - total flux cleaned = 0.00190254 Jy ! Component: 200 - total flux cleaned = 0.00195228 Jy ! Total flux subtracted in 200 components = 0.00195228 Jy ! Clean residual min=-0.001506 max=0.002115 Jy/beam ! Clean residual mean=0.000222 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.259259 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 0.259259 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181157Jy sigma=0.001304 ! Fit after self-cal, rms=0.181218Jy sigma=0.001304 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 (-61, -12.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00209942 Jy ! Component: 100 - total flux cleaned = 0.00334319 Jy ! Component: 150 - total flux cleaned = 0.00404807 Jy ! Component: 200 - total flux cleaned = 0.00449088 Jy ! Total flux subtracted in 200 components = 0.00449088 Jy ! Clean residual min=-0.001563 max=0.001909 Jy/beam ! Clean residual mean=0.000184 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.263749 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 73 components and 0.263749 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181190Jy sigma=0.001303 ! Fit after self-cal, rms=0.181191Jy sigma=0.001303 ! Inverting map 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=0.181191Jy sigma=0.001303 ! Fit after self-cal, rms=0.180826Jy sigma=0.001303 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.188 mas, bmaj=4.948 mas, bpa=-6.208 degrees ! Estimated noise=307.854 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00112354 Jy ! Component: 100 - total flux cleaned = 0.00134488 Jy ! Component: 150 - total flux cleaned = 0.00162775 Jy ! Component: 200 - total flux cleaned = 0.00185957 Jy ! Total flux subtracted in 200 components = 0.00185957 Jy ! Clean residual min=-0.001629 max=0.001900 Jy/beam ! Clean residual mean=0.000137 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.265609 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 79 components and 0.265609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180815Jy sigma=0.001303 ! Fit after self-cal, rms=0.180813Jy sigma=0.001303 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000230631 Jy ! Component: 100 - total flux cleaned = 0.000397806 Jy ! Component: 150 - total flux cleaned = 0.000549808 Jy ! Component: 200 - total flux cleaned = 0.000688857 Jy ! Total flux subtracted in 200 components = 0.000688857 Jy ! Clean residual min=-0.001622 max=0.001895 Jy/beam ! Clean residual mean=0.000134 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.266298 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 84 components and 0.266298 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180808Jy sigma=0.001303 ! Fit after self-cal, rms=0.180808Jy sigma=0.001303 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.180808Jy sigma=0.001303 ! Fit after self-cal, rms=0.180441Jy sigma=0.001303 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.258 mas, bmaj=10.18 mas, bpa=-6.498 degrees ! Estimated noise=434.772 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103439 Jy ! Component: 100 - total flux cleaned = 0.00162851 Jy ! Component: 150 - total flux cleaned = 0.0017703 Jy ! Component: 200 - total flux cleaned = 0.00186345 Jy ! Total flux subtracted in 200 components = 0.00186345 Jy ! Clean residual min=-0.001930 max=0.002779 Jy/beam ! Clean residual mean=0.000286 rms=0.000816 Jy/beam ! Combined flux in latest and established models = 0.268161 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 99 components and 0.268161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180441Jy sigma=0.001303 ! Fit after self-cal, rms=0.180436Jy sigma=0.001303 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000307377 Jy ! Component: 100 - total flux cleaned = 0.000350161 Jy ! Component: 150 - total flux cleaned = 0.000389544 Jy ! Component: 200 - total flux cleaned = 0.000414288 Jy ! Total flux subtracted in 200 components = 0.000414288 Jy ! Clean residual min=-0.001919 max=0.002671 Jy/beam ! Clean residual mean=0.000282 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 0.268576 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 103 components and 0.268576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180438Jy sigma=0.001303 ! Fit after self-cal, rms=0.180438Jy sigma=0.001303 ! Inverting map 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 ! Estimated beam: bmin=2.185 mas, bmaj=4.942 mas, bpa=-6.213 degrees ! Estimated noise=307.845 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.185 x 4.942 at -6.213 degrees (North through East) ! Clean map min=-0.0015536 max=0.20179 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 ! Estimated beam: bmin=2.009 mas, bmaj=4.06 mas, bpa=-8.469 degrees ! Estimated noise=638.495 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.153103 Jy ! Component: 100 - total flux cleaned = 0.19681 Jy ! Component: 150 - total flux cleaned = 0.220967 Jy ! Component: 200 - total flux cleaned = 0.23522 Jy ! Total flux subtracted in 200 components = 0.23522 Jy ! Clean residual min=-0.004325 max=0.007280 Jy/beam ! Clean residual mean=0.000092 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 0.23522 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.23522 Jy ! Inverting map and beam ! Estimated beam: bmin=2.185 mas, bmaj=4.942 mas, bpa=-6.213 degrees ! Estimated noise=307.845 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 = 0.0114185 Jy ! Component: 100 - total flux cleaned = 0.0175598 Jy ! Component: 150 - total flux cleaned = 0.0211517 Jy ! Component: 200 - total flux cleaned = 0.02366 Jy ! Total flux subtracted in 200 components = 0.02366 Jy ! Clean residual min=-0.001614 max=0.001941 Jy/beam ! Clean residual mean=0.000185 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.25888 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 41 components and 0.25888 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.258 mas, bmaj=10.18 mas, bpa=-6.498 degrees ! Estimated noise=434.772 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348834 Jy ! Component: 100 - total flux cleaned = 0.00561704 Jy ! Component: 150 - total flux cleaned = 0.00702 Jy ! Component: 200 - total flux cleaned = 0.00796018 Jy ! Total flux subtracted in 200 components = 0.00796018 Jy ! Clean residual min=-0.001891 max=0.002714 Jy/beam ! Clean residual mean=0.000319 rms=0.000818 Jy/beam ! Combined flux in latest and established models = 0.26684 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 = 0.000637623 Jy ! Component: 100 - total flux cleaned = 0.0010137 Jy ! Component: 150 - total flux cleaned = 0.00110129 Jy ! Component: 200 - total flux cleaned = 0.00118215 Jy ! Total flux subtracted in 200 components = 0.00118215 Jy ! Clean residual min=-0.001845 max=0.002721 Jy/beam ! Clean residual mean=0.000285 rms=0.000818 Jy/beam ! Combined flux in latest and established models = 0.268022 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 72 components and 0.268022 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.185 mas, bmaj=4.942 mas, bpa=-6.213 degrees ! Estimated noise=307.845 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000635866 Jy ! Component: 100 - total flux cleaned = -0.000676353 Jy ! Component: 150 - total flux cleaned = -0.000610244 Jy ! Component: 200 - total flux cleaned = -0.000551089 Jy ! Total flux subtracted in 200 components = -0.000551089 Jy ! Clean residual min=-0.001609 max=0.001837 Jy/beam ! Clean residual mean=0.000108 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.267471 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 82 components and 0.267471 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180434Jy sigma=0.001303 ! Fit after self-cal, rms=0.180431Jy sigma=0.001303 wmodel J2253+1942_S_2009_04_21_pus_map.mod ! Writing 82 model components to file: J2253+1942_S_2009_04_21_pus_map.mod wobs J2253+1942_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J2253+1942_S_2009_04_21_pus_uvs.fits wwins J2253+1942_S_2009_04_21_pus_map.win ! wwins: Wrote 2 windows to J2253+1942_S_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000687339 Jy ! Component: 100 - total flux cleaned = 0.00119403 Jy ! Component: 150 - total flux cleaned = 0.00164299 Jy ! Component: 200 - total flux cleaned = 0.00204531 Jy ! Component: 250 - total flux cleaned = 0.00235573 Jy ! Component: 300 - total flux cleaned = 0.0026066 Jy ! Component: 350 - total flux cleaned = 0.00282705 Jy ! Component: 400 - total flux cleaned = 0.00297056 Jy ! Component: 450 - total flux cleaned = 0.00311073 Jy ! Component: 500 - total flux cleaned = 0.0032705 Jy ! Component: 550 - total flux cleaned = 0.00338258 Jy ! Component: 600 - total flux cleaned = 0.00351472 Jy ! Component: 650 - total flux cleaned = 0.0036016 Jy ! Component: 700 - total flux cleaned = 0.0037297 Jy ! Component: 750 - total flux cleaned = 0.00383467 Jy ! Component: 800 - total flux cleaned = 0.00395909 Jy ! Component: 850 - total flux cleaned = 0.00402055 Jy ! Component: 900 - total flux cleaned = 0.00416218 Jy ! Component: 950 - total flux cleaned = 0.00428179 Jy ! Component: 1000 - total flux cleaned = 0.00441947 Jy ! Component: 1050 - total flux cleaned = 0.00449704 Jy ! Component: 1100 - total flux cleaned = 0.00459333 Jy ! Component: 1150 - total flux cleaned = 0.00470774 Jy ! Component: 1200 - total flux cleaned = 0.00478328 Jy ! Component: 1250 - total flux cleaned = 0.00489544 Jy ! Component: 1300 - total flux cleaned = 0.00498796 Jy ! Component: 1350 - total flux cleaned = 0.00507956 Jy ! Component: 1400 - total flux cleaned = 0.00515218 Jy ! Component: 1450 - total flux cleaned = 0.00524187 Jy ! Component: 1500 - total flux cleaned = 0.00529528 Jy ! Component: 1550 - total flux cleaned = 0.00536588 Jy ! Component: 1600 - total flux cleaned = 0.0054009 Jy ! Component: 1650 - total flux cleaned = 0.00550507 Jy ! Component: 1700 - total flux cleaned = 0.0055566 Jy ! Component: 1750 - total flux cleaned = 0.00560789 Jy ! Component: 1800 - total flux cleaned = 0.00567566 Jy ! Component: 1850 - total flux cleaned = 0.00575962 Jy ! Component: 1900 - total flux cleaned = 0.00582619 Jy ! Component: 1950 - total flux cleaned = 0.00589224 Jy ! Component: 2000 - total flux cleaned = 0.00592501 Jy ! Total flux subtracted in 2048 components = 0.00602259 Jy ! Clean residual min=-0.001051 max=0.000973 Jy/beam ! Clean residual mean=0.000056 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.273493 Jy keep ! Adding 166 model components to the UV plane model. ! The established model now contains 248 components and 0.273494 Jy ![Exited script file: muppet] wmap "J2253+1942_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.185 x 4.942 at -6.213 degrees (North through East) ! Clean map min=-0.0013418 max=0.20199 Jy/beam ! Writing clean map to FITS file: J2253+1942_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.201991 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000323676 device "J2253+1942_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J2253+1942_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.480727 0.480727 0.961455 1.92291 3.84582 7.69164 15.3833 30.7666 61.5331 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.201 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.185 x 4.942 at -6.213 degrees (North through East) ! Clean map min=-0.0013418 max=0.20199 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2253+1942_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J2253+1942_S_2009_04_21_pus_map.gif/vgif' mapplot cln