! Started logfile: J0423-0120_S_2008_07_09_pus_uvs.log on Wed Oct 13 13:13:02 2010 obs J0423-0120_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0423-0120_S_2008_07_09_pus_uva.fits ! AN table 1: 103 integrations on 105 of 105 possible baselines. ! AN table 2: 41 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0708995 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0423-0120 ! ! 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 1054 lines of history. ! ! Reading 4288 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 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 1201 telescope corrections were flagged in sub-array 1. ! A total of 505 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1201 telescope corrections were flagged in sub-array 1. ! A total of 505 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1201 telescope corrections were flagged in sub-array 1. ! A total of 505 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1201 telescope corrections were flagged in sub-array 1. ! A total of 505 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.882700Jy sigma=0.005079 ! Fit after self-cal, rms=0.820693Jy sigma=0.004809 ! 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=2.807 mas, bmaj=6.476 mas, bpa=-0.8935 degrees ! Estimated noise=2414.69 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 = 1.21193 Jy ! Component: 100 - total flux cleaned = 1.51543 Jy ! Total flux subtracted in 100 components = 1.51543 Jy ! Clean residual min=-0.058760 max=0.124400 Jy/beam ! Clean residual mean=0.000112 rms=0.020829 Jy/beam ! Combined flux in latest and established models = 1.51543 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.51543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.550011Jy sigma=0.002615 ! Fit after self-cal, rms=0.550039Jy sigma=0.002615 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.144997 Jy ! Component: 100 - total flux cleaned = 0.234552 Jy ! Total flux subtracted in 100 components = 0.234552 Jy ! Clean residual min=-0.037454 max=0.048807 Jy/beam ! Clean residual mean=-0.000025 rms=0.012376 Jy/beam ! Combined flux in latest and established models = 1.74998 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 23 components and 1.74998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.510883Jy sigma=0.002140 ! Fit after self-cal, rms=0.510413Jy sigma=0.002138 ! 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=3.402 mas, bmaj=7.551 mas, bpa=-4.626 degrees ! Estimated noise=1975.9 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 = 0.0669931 Jy ! Component: 100 - total flux cleaned = 0.102651 Jy ! Component: 150 - total flux cleaned = 0.123691 Jy ! Component: 200 - total flux cleaned = 0.128887 Jy ! Total flux subtracted in 200 components = 0.128887 Jy ! Clean residual min=-0.035167 max=0.040555 Jy/beam ! Clean residual mean=-0.000005 rms=0.008471 Jy/beam ! Combined flux in latest and established models = 1.87887 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 48 components and 1.87887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.506371Jy sigma=0.002029 ! Fit after self-cal, rms=0.506227Jy sigma=0.002029 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HH 1.00* HN 0.98 ! KK 1.10 KP 1.01 LA 1.01 MK 0.98 ! NL 1.00 NY 1.10 ON 1.09 PT 1.02 ! SC 1.07 WZ 0.93 ZC 1.02 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 1.08 PT 1.00* ! SC 1.00* WZ 0.95 ZC 1.01 ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HH 1.00* HN 0.99 ! KK 1.02 KP 1.04 LA 0.99 MK 0.98 ! NL 0.95 NY 1.06 ON 1.05 PT 1.01 ! SC 1.06 WZ 0.98 ZC 1.06 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.06 ON 1.03 PT 1.00* ! SC 1.00* WZ 0.98 ZC 1.02 ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HH 1.00* HN 0.96 ! KK 1.08 KP 1.03 LA 0.99 MK 0.94 ! NL 1.02 NY 1.05 ON 1.01 PT 1.04 ! SC 1.06 WZ 0.98 ZC 1.08 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.05 ON 0.91 PT 1.00* ! SC 1.00* WZ 1.01 ZC 1.05 ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.71 FD 0.98 HH 1.00* HN 0.98 ! KK 1.06 KP 0.98 LA 0.99 MK 0.95 ! NL 0.96 NY 0.99 ON 1.01 PT 1.00 ! SC 1.06 WZ 0.96 ZC 0.85 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.96 ON 0.95 PT 1.00* ! SC 1.00* WZ 1.01 ZC 0.79 ! ! ! Fit before self-cal, rms=0.506227Jy sigma=0.002029 ! Fit after self-cal, rms=0.472912Jy sigma=0.001674 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.402 mas, bmaj=7.534 mas, bpa=-5.113 degrees ! Estimated noise=1954.72 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 = -0.0163946 Jy ! Component: 100 - total flux cleaned = -0.0200656 Jy ! Component: 150 - total flux cleaned = -0.0205401 Jy ! Component: 200 - total flux cleaned = -0.0201807 Jy ! Total flux subtracted in 200 components = -0.0201807 Jy ! Clean residual min=-0.012612 max=0.012223 Jy/beam ! Clean residual mean=-0.000003 rms=0.003412 Jy/beam ! Combined flux in latest and established models = 1.85869 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 61 components and 1.85869 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.471329Jy sigma=0.001675 ! Fit after self-cal, rms=0.471902Jy sigma=0.001674 ! 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=0.471902Jy sigma=0.001674 ! Fit after self-cal, rms=0.468286Jy sigma=0.001666 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.404 mas, bmaj=7.544 mas, bpa=-5.23 degrees ! Estimated noise=1939.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0137989 Jy ! Component: 100 - total flux cleaned = -0.0182982 Jy ! Component: 150 - total flux cleaned = -0.0189851 Jy ! Component: 200 - total flux cleaned = -0.0188769 Jy ! Total flux subtracted in 200 components = -0.0188769 Jy ! Clean residual min=-0.011540 max=0.010925 Jy/beam ! Clean residual mean=-0.000006 rms=0.003104 Jy/beam ! Combined flux in latest and established models = 1.83981 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 1.83981 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.466970Jy sigma=0.001669 ! Fit after self-cal, rms=0.467002Jy sigma=0.001668 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 = 0.000332879 Jy ! Component: 100 - total flux cleaned = 0.00052729 Jy ! Component: 150 - total flux cleaned = 0.000884252 Jy ! Component: 200 - total flux cleaned = 0.00096861 Jy ! Total flux subtracted in 200 components = 0.00096861 Jy ! Clean residual min=-0.011416 max=0.010900 Jy/beam ! Clean residual mean=-0.000009 rms=0.003054 Jy/beam ! Combined flux in latest and established models = 1.84078 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 71 components and 1.84078 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.466938Jy sigma=0.001668 ! Fit after self-cal, rms=0.466941Jy sigma=0.001668 ! 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=0.466941Jy sigma=0.001668 ! Fit after self-cal, rms=0.461810Jy sigma=0.001657 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.406 mas, bmaj=7.554 mas, bpa=-5.368 degrees ! Estimated noise=1921.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0130772 Jy ! Component: 100 - total flux cleaned = -0.0181294 Jy ! Component: 150 - total flux cleaned = -0.0204121 Jy ! Component: 200 - total flux cleaned = -0.0204117 Jy ! Total flux subtracted in 200 components = -0.0204117 Jy ! Clean residual min=-0.011419 max=0.010121 Jy/beam ! Clean residual mean=-0.000009 rms=0.002854 Jy/beam ! Combined flux in latest and established models = 1.82037 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 77 components and 1.82037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.460456Jy sigma=0.001660 ! Fit after self-cal, rms=0.460538Jy sigma=0.001660 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 = 0.000146403 Jy ! Component: 100 - total flux cleaned = 0.000213182 Jy ! Component: 150 - total flux cleaned = 0.000145112 Jy ! Component: 200 - total flux cleaned = 8.3416e-05 Jy ! Total flux subtracted in 200 components = 8.3416e-05 Jy ! Clean residual min=-0.011264 max=0.010114 Jy/beam ! Clean residual mean=-0.000010 rms=0.002834 Jy/beam ! Combined flux in latest and established models = 1.82045 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 79 components and 1.82045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.460515Jy sigma=0.001660 ! Fit after self-cal, rms=0.460518Jy sigma=0.001660 ! 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=0.460518Jy sigma=0.001660 ! Fit after self-cal, rms=0.457641Jy sigma=0.001656 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.702 mas, bmaj=10.6 mas, bpa=0.6244 degrees ! Estimated noise=2477.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0156932 Jy ! Component: 100 - total flux cleaned = -0.0220991 Jy ! Component: 150 - total flux cleaned = -0.0249183 Jy ! Component: 200 - total flux cleaned = -0.0250037 Jy ! Total flux subtracted in 200 components = -0.0250037 Jy ! Clean residual min=-0.011890 max=0.013611 Jy/beam ! Clean residual mean=0.000020 rms=0.004188 Jy/beam ! Combined flux in latest and established models = 1.79545 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 92 components and 1.79545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.456221Jy sigma=0.001661 ! Fit after self-cal, rms=0.456266Jy sigma=0.001661 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 = -0.000810769 Jy ! Component: 100 - total flux cleaned = -0.000626141 Jy ! Component: 150 - total flux cleaned = -0.000517232 Jy ! Component: 200 - total flux cleaned = -0.000514609 Jy ! Total flux subtracted in 200 components = -0.000514609 Jy ! Clean residual min=-0.012000 max=0.013624 Jy/beam ! Clean residual mean=0.000022 rms=0.004153 Jy/beam ! Combined flux in latest and established models = 1.79493 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 95 components and 1.79493 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.456231Jy sigma=0.001661 ! Fit after self-cal, rms=0.456239Jy sigma=0.001661 ! 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=3.408 mas, bmaj=7.565 mas, bpa=-5.496 degrees ! Estimated noise=1905.11 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.408 x 7.565 at -5.496 degrees (North through East) ! Clean map min=-0.011192 max=1.5543 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=0.456239Jy sigma=0.001661 ! Fit after self-cal, rms=2.620559Jy sigma=0.001067 ! Inverting map and beam ! Estimated beam: bmin=3.412 mas, bmaj=7.568 mas, bpa=-5.445 degrees ! Estimated noise=1905.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00334926 Jy ! Component: 100 - total flux cleaned = -0.00385263 Jy ! Component: 150 - total flux cleaned = -0.00392711 Jy ! Component: 200 - total flux cleaned = -0.00392406 Jy ! Total flux subtracted in 200 components = -0.00392406 Jy ! Clean residual min=-0.010309 max=0.008766 Jy/beam ! Clean residual mean=0.000010 rms=0.002621 Jy/beam ! Combined flux in latest and established models = 1.79101 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 101 components and 1.79101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.620504Jy sigma=0.001066 ! Fit after self-cal, rms=2.623551Jy sigma=0.001066 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.6705e-05 Jy ! Component: 100 - total flux cleaned = -0.000204747 Jy ! Component: 150 - total flux cleaned = -0.000257379 Jy ! Component: 200 - total flux cleaned = -0.000305439 Jy ! Total flux subtracted in 200 components = -0.000305439 Jy ! Clean residual min=-0.010027 max=0.008625 Jy/beam ! Clean residual mean=0.000011 rms=0.002610 Jy/beam ! Combined flux in latest and established models = 1.7907 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 102 components and 1.7907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.623537Jy sigma=0.001066 ! Fit after self-cal, rms=2.623634Jy sigma=0.001066 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.623634Jy sigma=0.001066 ! Fit after self-cal, rms=3.875795Jy sigma=0.001066 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=2.85 mas, bmaj=6.493 mas, bpa=-1.845 degrees ! Estimated noise=2368.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.17899 Jy ! Component: 100 - total flux cleaned = 1.48004 Jy ! Component: 150 - total flux cleaned = 1.61383 Jy ! Component: 200 - total flux cleaned = 1.68836 Jy ! Total flux subtracted in 200 components = 1.68835 Jy ! Clean residual min=-0.025537 max=0.038780 Jy/beam ! Clean residual mean=0.000037 rms=0.006800 Jy/beam ! Combined flux in latest and established models = 1.68835 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 1.68836 Jy ! Inverting map and beam ! Estimated beam: bmin=3.415 mas, bmaj=7.566 mas, bpa=-5.387 degrees ! Estimated noise=1905.44 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 = 0.0549077 Jy ! Component: 100 - total flux cleaned = 0.0754173 Jy ! Component: 150 - total flux cleaned = 0.0836796 Jy ! Component: 200 - total flux cleaned = 0.0888916 Jy ! Total flux subtracted in 200 components = 0.0888916 Jy ! Clean residual min=-0.010138 max=0.010850 Jy/beam ! Clean residual mean=0.000021 rms=0.003039 Jy/beam ! Combined flux in latest and established models = 1.77725 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 37 components and 1.77725 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=6.713 mas, bmaj=10.6 mas, bpa=0.7181 degrees ! Estimated noise=2471.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00575575 Jy ! Component: 100 - total flux cleaned = 0.00684291 Jy ! Component: 150 - total flux cleaned = 0.00758885 Jy ! Component: 200 - total flux cleaned = 0.00811581 Jy ! Total flux subtracted in 200 components = 0.00811581 Jy ! Clean residual min=-0.010821 max=0.013251 Jy/beam ! Clean residual mean=0.000027 rms=0.003730 Jy/beam ! Combined flux in latest and established models = 1.78536 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 = 0.000204556 Jy ! Component: 100 - total flux cleaned = 0.00036536 Jy ! Component: 150 - total flux cleaned = 0.00029887 Jy ! Component: 200 - total flux cleaned = 0.000300764 Jy ! Total flux subtracted in 200 components = 0.000300764 Jy ! Clean residual min=-0.010626 max=0.012974 Jy/beam ! Clean residual mean=0.000026 rms=0.003682 Jy/beam ! Combined flux in latest and established models = 1.78566 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 47 components and 1.78566 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.415 mas, bmaj=7.566 mas, bpa=-5.387 degrees ! Estimated noise=1905.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00266173 Jy ! Component: 100 - total flux cleaned = 0.00265247 Jy ! Component: 150 - total flux cleaned = 0.00286719 Jy ! Component: 200 - total flux cleaned = 0.0026729 Jy ! Total flux subtracted in 200 components = 0.0026729 Jy ! Clean residual min=-0.009591 max=0.009455 Jy/beam ! Clean residual mean=0.000000 rms=0.002659 Jy/beam ! Combined flux in latest and established models = 1.78834 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 1.78834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.875694Jy sigma=0.001068 ! Fit after self-cal, rms=3.875674Jy sigma=0.001067 wmodel J0423-0120_S_2008_07_09_pus_map.mod ! Writing 58 model components to file: J0423-0120_S_2008_07_09_pus_map.mod wobs J0423-0120_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0423-0120_S_2008_07_09_pus_uvs.fits wwins J0423-0120_S_2008_07_09_pus_map.win ! wwins: Wrote 1 windows to J0423-0120_S_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000560292 Jy ! Component: 100 - total flux cleaned = 0.000195638 Jy ! Component: 150 - total flux cleaned = 0.00104634 Jy ! Component: 200 - total flux cleaned = 0.00172545 Jy ! Component: 250 - total flux cleaned = 0.00263557 Jy ! Component: 300 - total flux cleaned = 0.00313499 Jy ! Component: 350 - total flux cleaned = 0.00349175 Jy ! Component: 400 - total flux cleaned = 0.00383721 Jy ! Component: 450 - total flux cleaned = 0.0043937 Jy ! Component: 500 - total flux cleaned = 0.00493332 Jy ! Component: 550 - total flux cleaned = 0.00514184 Jy ! Component: 600 - total flux cleaned = 0.00514286 Jy ! Component: 650 - total flux cleaned = 0.0051421 Jy ! Component: 700 - total flux cleaned = 0.00523785 Jy ! Component: 750 - total flux cleaned = 0.00533073 Jy ! Component: 800 - total flux cleaned = 0.00551222 Jy ! Component: 850 - total flux cleaned = 0.00542056 Jy ! Component: 900 - total flux cleaned = 0.00507163 Jy ! Component: 950 - total flux cleaned = 0.00481368 Jy ! Component: 1000 - total flux cleaned = 0.00472918 Jy ! Component: 1050 - total flux cleaned = 0.00456431 Jy ! Component: 1100 - total flux cleaned = 0.00440485 Jy ! Component: 1150 - total flux cleaned = 0.00424794 Jy ! Component: 1200 - total flux cleaned = 0.00393909 Jy ! Component: 1250 - total flux cleaned = 0.00379098 Jy ! Component: 1300 - total flux cleaned = 0.0037922 Jy ! Component: 1350 - total flux cleaned = 0.00357318 Jy ! Component: 1400 - total flux cleaned = 0.00335671 Jy ! Component: 1450 - total flux cleaned = 0.00293089 Jy ! Component: 1500 - total flux cleaned = 0.00251266 Jy ! Component: 1550 - total flux cleaned = 0.00216864 Jy ! Component: 1600 - total flux cleaned = 0.00176173 Jy ! Component: 1650 - total flux cleaned = 0.00136159 Jy ! Component: 1700 - total flux cleaned = 0.00116432 Jy ! Component: 1750 - total flux cleaned = 0.000710254 Jy ! Component: 1800 - total flux cleaned = 0.000391299 Jy ! Component: 1850 - total flux cleaned = 0.000328266 Jy ! Component: 1900 - total flux cleaned = 1.49515e-05 Jy ! Component: 1950 - total flux cleaned = -0.000477005 Jy ! Component: 2000 - total flux cleaned = -0.000781039 Jy ! Total flux subtracted in 2048 components = -0.00114097 Jy ! Clean residual min=-0.003425 max=0.002984 Jy/beam ! Clean residual mean=0.000027 rms=0.001282 Jy/beam ! Combined flux in latest and established models = 1.7872 Jy keep ! Adding 150 model components to the UV plane model. ! The established model now contains 208 components and 1.7872 Jy wmap "J0423-0120_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.415 x 7.566 at -5.387 degrees (North through East) ! Clean map min=-0.0087612 max=1.5516 Jy/beam ! Writing clean map to FITS file: J0423-0120_S_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.55161 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00127655 device "J0423-0120_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0423-0120_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.246817 0.246817 0.493634 0.987268 1.97454 3.94907 7.89815 15.7963 31.5926 63.1852 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0038 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.551 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.415 x 7.566 at -5.387 degrees (North through East) ! Clean map min=-0.0087612 max=1.5516 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0423-0120_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0423-0120_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0423-0120_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 13:13:05 2010