! Started logfile: J1454-3747_S_2010_10_13_pus_uvs.log on Mon Feb 28 00:02:38 2011 obs J1454-3747_S_2010_10_13_pus_uva.fits ! Reading UV FITS file: J1454-3747_S_2010_10_13_pus_uva.fits ! AN table 1: 23 integrations on 105 of 105 possible baselines. ! AN table 2: 145 integrations on 105 of 105 possible baselines. ! AN table 3: 25 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0771281 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1454-3747 ! ! 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 2.23696e+09 8e+06 1 8e+06 ! 02 2 2.26696e+09 8e+06 1 8e+06 ! 03 3 2.35696e+09 8e+06 1 8e+06 ! 04 4 2.37696e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3545 lines of history. ! ! Reading 6252 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 J1454-3747_S_2010_10_13_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 345 telescope corrections were flagged in sub-array 1. ! A total of 1714 telescope corrections were flagged in sub-array 2. ! A total of 263 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 345 telescope corrections were flagged in sub-array 1. ! A total of 1714 telescope corrections were flagged in sub-array 2. ! A total of 263 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 345 telescope corrections were flagged in sub-array 1. ! A total of 1714 telescope corrections were flagged in sub-array 2. ! A total of 263 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 345 telescope corrections were flagged in sub-array 1. ! A total of 1714 telescope corrections were flagged in sub-array 2. ! A total of 263 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.400290Jy sigma=0.003344 ! Fit after self-cal, rms=0.335022Jy sigma=0.002786 ! 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=2.295 mas, bmaj=7.393 mas, bpa=-3.521 degrees ! Estimated noise=1660.26 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 = 0.542263 Jy ! Component: 100 - total flux cleaned = 0.676381 Jy ! Total flux subtracted in 100 components = 0.676381 Jy ! Clean residual min=-0.033419 max=0.059799 Jy/beam ! Clean residual mean=0.001411 rms=0.010475 Jy/beam ! Combined flux in latest and established models = 0.676381 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.676381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211118Jy sigma=0.001879 ! Fit after self-cal, rms=0.211138Jy sigma=0.001879 ! 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=2.886 mas, bmaj=9.259 mas, bpa=-3.655 degrees ! Estimated noise=1042.89 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 = 0.0925092 Jy ! Component: 100 - total flux cleaned = 0.132085 Jy ! Component: 150 - total flux cleaned = 0.149667 Jy ! Component: 200 - total flux cleaned = 0.15761 Jy ! Total flux subtracted in 200 components = 0.15761 Jy ! Clean residual min=-0.017813 max=0.045749 Jy/beam ! Clean residual mean=0.002081 rms=0.009714 Jy/beam ! Combined flux in latest and established models = 0.833991 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 23 components and 0.833991 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178008Jy sigma=0.001487 ! Fit after self-cal, rms=0.177919Jy sigma=0.001486 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KB 0.91 KK 0.98 KP 0.94 LA 1.00 ! MK 0.98 NL 1.33 NY 1.00* OV 1.01 ! PT 0.95 SC 1.00* TS 1.16 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KK 0.98 KP 0.95 LA 0.98 ! MK 1.01 NL 1.00* NY 1.00* OV 0.95 ! PT 0.96 SC 1.00* TS 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KB 0.89 KK 0.97 KP 0.99 LA 0.97 ! MK 0.98 NL 1.35 NY 1.00* OV 1.08 ! PT 0.95 SC 1.00* TS 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KK 0.90 KP 0.98 LA 0.98 ! MK 0.98 NL 1.00* NY 1.00* OV 1.02 ! PT 1.00 SC 1.00* TS 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KB 0.90 KK 0.94 KP 0.98 LA 0.96 ! MK 0.98 NL 1.31 NY 1.00* OV 1.07 ! PT 0.95 SC 1.00* TS 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KK 0.92 KP 0.99 LA 0.96 ! MK 0.98 NL 1.00* NY 1.00* OV 0.98 ! PT 0.97 SC 1.00* TS 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KB 0.92 KK 0.96 KP 0.97 LA 0.95 ! MK 0.95 NL 1.29 NY 1.00* OV 1.02 ! PT 0.97 SC 1.00* TS 1.20 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KB 1.00* KK 0.90 KP 0.96 LA 0.98 ! MK 0.96 NL 1.00* NY 1.00* OV 0.96 ! PT 1.00 SC 1.00* TS 1.00* ! ! ! Fit before self-cal, rms=0.177919Jy sigma=0.001486 ! Fit after self-cal, rms=0.164110Jy sigma=0.001301 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.907 mas, bmaj=9.467 mas, bpa=-4.752 degrees ! Estimated noise=1054.76 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 (-10.5, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0236291 Jy ! Component: 100 - total flux cleaned = 0.0310742 Jy ! Component: 150 - total flux cleaned = 0.0324544 Jy ! Component: 200 - total flux cleaned = 0.0337234 Jy ! Total flux subtracted in 200 components = 0.0337234 Jy ! Clean residual min=-0.009204 max=0.007140 Jy/beam ! Clean residual mean=-0.000823 rms=0.002455 Jy/beam ! Combined flux in latest and established models = 0.867714 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 50 components and 0.867714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160791Jy sigma=0.001272 ! Fit after self-cal, rms=0.160631Jy sigma=0.001269 ! 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=0.160631Jy sigma=0.001269 ! Fit after self-cal, rms=0.158313Jy sigma=0.001264 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.9 mas, bmaj=9.461 mas, bpa=-4.818 degrees ! Estimated noise=1053.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00839248 Jy ! Component: 100 - total flux cleaned = 0.0110179 Jy ! Component: 150 - total flux cleaned = 0.0119106 Jy ! Component: 200 - total flux cleaned = 0.0126824 Jy ! Total flux subtracted in 200 components = 0.0126824 Jy ! Clean residual min=-0.007140 max=0.006904 Jy/beam ! Clean residual mean=-0.000392 rms=0.001929 Jy/beam ! Combined flux in latest and established models = 0.880397 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 77 components and 0.880397 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157863Jy sigma=0.001259 ! Fit after self-cal, rms=0.157701Jy sigma=0.001258 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 = 0.00259014 Jy ! Component: 100 - total flux cleaned = 0.00288611 Jy ! Component: 150 - total flux cleaned = 0.00300311 Jy ! Component: 200 - total flux cleaned = 0.00300466 Jy ! Total flux subtracted in 200 components = 0.00300466 Jy ! Clean residual min=-0.007446 max=0.006648 Jy/beam ! Clean residual mean=-0.000527 rms=0.001959 Jy/beam ! Combined flux in latest and established models = 0.883401 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 101 components and 0.883401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157635Jy sigma=0.001258 ! Fit after self-cal, rms=0.157613Jy sigma=0.001258 ! 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=0.157613Jy sigma=0.001258 ! Fit after self-cal, rms=0.155889Jy sigma=0.001247 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.899 mas, bmaj=9.455 mas, bpa=-4.84 degrees ! Estimated noise=1053.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00421065 Jy ! Component: 100 - total flux cleaned = 0.00501353 Jy ! Component: 150 - total flux cleaned = 0.00501307 Jy ! Component: 200 - total flux cleaned = 0.00501227 Jy ! Total flux subtracted in 200 components = 0.00501227 Jy ! Clean residual min=-0.005759 max=0.005838 Jy/beam ! Clean residual mean=-0.000287 rms=0.001638 Jy/beam ! Combined flux in latest and established models = 0.888414 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 109 components and 0.888414 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155762Jy sigma=0.001245 ! Fit after self-cal, rms=0.155717Jy sigma=0.001245 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 = 0.0011599 Jy ! Component: 100 - total flux cleaned = 0.00115918 Jy ! Component: 150 - total flux cleaned = 0.00115819 Jy ! Component: 200 - total flux cleaned = 0.00111689 Jy ! Total flux subtracted in 200 components = 0.00111689 Jy ! Clean residual min=-0.005935 max=0.005726 Jy/beam ! Clean residual mean=-0.000337 rms=0.001662 Jy/beam ! Combined flux in latest and established models = 0.889531 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 114 components and 0.889531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155680Jy sigma=0.001245 ! Fit after self-cal, rms=0.155672Jy sigma=0.001245 ! 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=0.155672Jy sigma=0.001245 ! Fit after self-cal, rms=0.155241Jy sigma=0.001244 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=10.02 mas, bmaj=38.69 mas, bpa=1.046 degrees ! Estimated noise=1358.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318087 Jy ! Component: 100 - total flux cleaned = 0.00367319 Jy ! Component: 150 - total flux cleaned = 0.00367763 Jy ! Component: 200 - total flux cleaned = 0.00367965 Jy ! Total flux subtracted in 200 components = 0.00367965 Jy ! Clean residual min=-0.006949 max=0.005978 Jy/beam ! Clean residual mean=-0.000502 rms=0.002424 Jy/beam ! Combined flux in latest and established models = 0.89321 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 142 components and 0.89321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155225Jy sigma=0.001244 ! Fit after self-cal, rms=0.155194Jy sigma=0.001244 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 = 0.000502803 Jy ! Component: 100 - total flux cleaned = 0.000542921 Jy ! Component: 150 - total flux cleaned = 0.000510195 Jy ! Component: 200 - total flux cleaned = 0.000480295 Jy ! Total flux subtracted in 200 components = 0.000480295 Jy ! Clean residual min=-0.007121 max=0.005984 Jy/beam ! Clean residual mean=-0.000543 rms=0.002478 Jy/beam ! Combined flux in latest and established models = 0.89369 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 147 components and 0.89369 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155196Jy sigma=0.001244 ! Fit after self-cal, rms=0.155186Jy sigma=0.001244 ! 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=2.898 mas, bmaj=9.456 mas, bpa=-4.873 degrees ! Estimated noise=1054.42 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.898 x 9.456 at -4.873 degrees (North through East) ! Clean map min=-0.0054458 max=0.73221 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=0.155186Jy sigma=0.001244 ! Fit after self-cal, rms=0.140978Jy sigma=0.001075 ! Inverting map and beam ! Estimated beam: bmin=2.897 mas, bmaj=9.451 mas, bpa=-4.899 degrees ! Estimated noise=1054.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202229 Jy ! Component: 100 - total flux cleaned = 0.00196713 Jy ! Component: 150 - total flux cleaned = 0.00191531 Jy ! Component: 200 - total flux cleaned = 0.00195867 Jy ! Total flux subtracted in 200 components = 0.00195867 Jy ! Clean residual min=-0.004764 max=0.005255 Jy/beam ! Clean residual mean=-0.000226 rms=0.001462 Jy/beam ! Combined flux in latest and established models = 0.895649 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 162 components and 0.895649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140904Jy sigma=0.001074 ! Fit after self-cal, rms=0.140895Jy sigma=0.001074 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000527286 Jy ! Component: 100 - total flux cleaned = 0.000526963 Jy ! Component: 150 - total flux cleaned = 0.000565755 Jy ! Component: 200 - total flux cleaned = 0.000565781 Jy ! Total flux subtracted in 200 components = 0.000565781 Jy ! Clean residual min=-0.004818 max=0.005178 Jy/beam ! Clean residual mean=-0.000250 rms=0.001471 Jy/beam ! Combined flux in latest and established models = 0.896215 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 167 components and 0.896215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140866Jy sigma=0.001074 ! Fit after self-cal, rms=0.140864Jy sigma=0.001074 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140864Jy sigma=0.001074 ! Fit after self-cal, rms=0.140523Jy sigma=0.001074 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=2.291 mas, bmaj=7.303 mas, bpa=-3.113 degrees ! Estimated noise=1665.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.535405 Jy ! Component: 100 - total flux cleaned = 0.667904 Jy ! Component: 150 - total flux cleaned = 0.72848 Jy ! Component: 200 - total flux cleaned = 0.76775 Jy ! Total flux subtracted in 200 components = 0.76775 Jy ! Clean residual min=-0.012928 max=0.024303 Jy/beam ! Clean residual mean=0.000859 rms=0.004703 Jy/beam ! Combined flux in latest and established models = 0.767751 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 31 model components to the UV plane model. ! The established model now contains 31 components and 0.767751 Jy ! Inverting map and beam ! Estimated beam: bmin=2.896 mas, bmaj=9.453 mas, bpa=-4.925 degrees ! Estimated noise=1054.59 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) ! Added new window around map position (-2.5, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0526144 Jy ! Component: 100 - total flux cleaned = 0.0821038 Jy ! Component: 150 - total flux cleaned = 0.0997478 Jy ! Component: 200 - total flux cleaned = 0.110932 Jy ! Total flux subtracted in 200 components = 0.110932 Jy ! Clean residual min=-0.005412 max=0.007416 Jy/beam ! Clean residual mean=0.000595 rms=0.002140 Jy/beam ! Combined flux in latest and established models = 0.878682 Jy ! Adding 107 model components to the UV plane model. ! The established model now contains 126 components and 0.878682 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=9.994 mas, bmaj=38.65 mas, bpa=1.02 degrees ! Estimated noise=1360.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112818 Jy ! Component: 100 - total flux cleaned = 0.0163411 Jy ! Component: 150 - total flux cleaned = 0.0187673 Jy ! Component: 200 - total flux cleaned = 0.0198537 Jy ! Total flux subtracted in 200 components = 0.0198537 Jy ! Clean residual min=-0.005805 max=0.005236 Jy/beam ! Clean residual mean=-0.000467 rms=0.002097 Jy/beam ! Combined flux in latest and established models = 0.898536 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 = 0.000161269 Jy ! Component: 100 - total flux cleaned = 0.00027137 Jy ! Component: 150 - total flux cleaned = 0.000367562 Jy ! Component: 200 - total flux cleaned = 0.00036792 Jy ! Total flux subtracted in 200 components = 0.00036792 Jy ! Clean residual min=-0.005860 max=0.005156 Jy/beam ! Clean residual mean=-0.000498 rms=0.002083 Jy/beam ! Combined flux in latest and established models = 0.898904 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 198 components and 0.898904 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.896 mas, bmaj=9.453 mas, bpa=-4.925 degrees ! Estimated noise=1054.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000563719 Jy ! Component: 100 - total flux cleaned = -0.000639438 Jy ! Component: 150 - total flux cleaned = -0.000638033 Jy ! Component: 200 - total flux cleaned = -0.000637079 Jy ! Total flux subtracted in 200 components = -0.000637079 Jy ! Clean residual min=-0.005023 max=0.004486 Jy/beam ! Clean residual mean=-0.000235 rms=0.001388 Jy/beam ! Combined flux in latest and established models = 0.898267 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 214 components and 0.898267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140547Jy sigma=0.001074 ! Fit after self-cal, rms=0.140484Jy sigma=0.001074 wmodel J1454-3747_S_2010_10_13_pus_map.mod ! Writing 214 model components to file: J1454-3747_S_2010_10_13_pus_map.mod wobs J1454-3747_S_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J1454-3747_S_2010_10_13_pus_uvs.fits wwins J1454-3747_S_2010_10_13_pus_map.win ! wwins: Wrote 3 windows to J1454-3747_S_2010_10_13_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 = -0.00100402 Jy ! Component: 100 - total flux cleaned = -0.00121973 Jy ! Component: 150 - total flux cleaned = -0.00167362 Jy ! Component: 200 - total flux cleaned = -0.00204125 Jy ! Component: 250 - total flux cleaned = -0.00233289 Jy ! Component: 300 - total flux cleaned = -0.00250167 Jy ! Component: 350 - total flux cleaned = -0.00287531 Jy ! Component: 400 - total flux cleaned = -0.00302895 Jy ! Component: 450 - total flux cleaned = -0.00337453 Jy ! Component: 500 - total flux cleaned = -0.003564 Jy ! Component: 550 - total flux cleaned = -0.00370289 Jy ! Component: 600 - total flux cleaned = -0.00383741 Jy ! Component: 650 - total flux cleaned = -0.00388136 Jy ! Component: 700 - total flux cleaned = -0.00400899 Jy ! Component: 750 - total flux cleaned = -0.00405069 Jy ! Component: 800 - total flux cleaned = -0.00413171 Jy ! Component: 850 - total flux cleaned = -0.00421007 Jy ! Component: 900 - total flux cleaned = -0.00417225 Jy ! Component: 950 - total flux cleaned = -0.00421006 Jy ! Component: 1000 - total flux cleaned = -0.00428296 Jy ! Component: 1050 - total flux cleaned = -0.00431807 Jy ! Component: 1100 - total flux cleaned = -0.00428274 Jy ! Component: 1150 - total flux cleaned = -0.00431746 Jy ! Component: 1200 - total flux cleaned = -0.00435151 Jy ! Component: 1250 - total flux cleaned = -0.00441763 Jy ! Component: 1300 - total flux cleaned = -0.00444997 Jy ! Component: 1350 - total flux cleaned = -0.00445001 Jy ! Component: 1400 - total flux cleaned = -0.00451321 Jy ! Component: 1450 - total flux cleaned = -0.00454408 Jy ! Component: 1500 - total flux cleaned = -0.00460498 Jy ! Component: 1550 - total flux cleaned = -0.00460488 Jy ! Component: 1600 - total flux cleaned = -0.0046644 Jy ! Component: 1650 - total flux cleaned = -0.00475196 Jy ! Component: 1700 - total flux cleaned = -0.0047804 Jy ! Component: 1750 - total flux cleaned = -0.00480879 Jy ! Component: 1800 - total flux cleaned = -0.00486473 Jy ! Component: 1850 - total flux cleaned = -0.00486454 Jy ! Component: 1900 - total flux cleaned = -0.00491925 Jy ! Component: 1950 - total flux cleaned = -0.00494611 Jy ! Component: 2000 - total flux cleaned = -0.00497277 Jy ! Total flux subtracted in 2048 components = -0.0049727 Jy ! Clean residual min=-0.001532 max=0.001772 Jy/beam ! Clean residual mean=-0.000022 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.893294 Jy keep ! Adding 154 model components to the UV plane model. ! The established model now contains 368 components and 0.893294 Jy ![Exited script file: muppet] wmap "J1454-3747_S_2010_10_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.896 x 9.453 at -4.925 degrees (North through East) ! Clean map min=-0.0038619 max=0.71988 Jy/beam ! Writing clean map to FITS file: J1454-3747_S_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.719884 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000579193 device "J1454-3747_S_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1454-3747_S_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.241369 0.241369 0.482739 0.965477 1.93095 3.86191 7.72382 15.4476 30.8953 61.7905 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.719 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.896 x 9.453 at -4.925 degrees (North through East) ! Clean map min=-0.0038619 max=0.71988 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1454-3747_S_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J1454-3747_S_2010_10_13_pus_map.gif/vgif' mapplot cln