! Started logfile: J2258-2758_S_1999_03_08_pus_uvs.log on Wed Jan 9 15:26:54 2008 obs J2258-2758_S_1999_03_08_pus_uva.fits ! Reading UV FITS file: J2258-2758_S_1999_03_08_pus_uva.fits ! AN table 1: 54 integrations on 190 of 190 possible baselines. ! AN table 2: 70 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0285654 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2258-2758 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2344 lines of history. ! ! Reading 2692 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 J2258-2758_S_1999_03_08_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 902 telescope corrections were flagged in sub-array 1. ! A total of 1400 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 912 telescope corrections were flagged in sub-array 1. ! A total of 1400 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 902 telescope corrections were flagged in sub-array 1. ! A total of 1400 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 902 telescope corrections were flagged in sub-array 1. ! A total of 1400 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.285297Jy sigma=0.002009 ! Fit after self-cal, rms=0.282392Jy sigma=0.001982 ! 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=1.88 mas, bmaj=6.527 mas, bpa=-9.836 degrees ! Estimated noise=3970.49 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 = 0.859199 Jy ! Component: 100 - total flux cleaned = 1.06317 Jy ! Total flux subtracted in 100 components = 1.06317 Jy ! Clean residual min=-0.044403 max=0.083043 Jy/beam ! Clean residual mean=0.005502 rms=0.019452 Jy/beam ! Combined flux in latest and established models = 1.06317 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 1.06317 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253879Jy sigma=0.001756 ! Fit after self-cal, rms=0.253048Jy sigma=0.001751 ! 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=2.055 mas, bmaj=6.788 mas, bpa=-13.52 degrees ! Estimated noise=2181.89 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 = 0.112463 Jy ! Component: 100 - total flux cleaned = 0.171713 Jy ! Component: 150 - total flux cleaned = 0.209709 Jy ! Component: 200 - total flux cleaned = 0.235077 Jy ! Total flux subtracted in 200 components = 0.235077 Jy ! Clean residual min=-0.025974 max=0.076355 Jy/beam ! Clean residual mean=0.004653 rms=0.013778 Jy/beam ! Combined flux in latest and established models = 1.29824 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 17 components and 1.29824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198925Jy sigma=0.001310 ! Fit after self-cal, rms=0.198626Jy sigma=0.001308 ! Inverting map ! Added new window around map position (-18.5, 18.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0614652 Jy ! Component: 100 - total flux cleaned = 0.0872529 Jy ! Component: 150 - total flux cleaned = 0.0966777 Jy ! Component: 200 - total flux cleaned = 0.101732 Jy ! Total flux subtracted in 200 components = 0.101732 Jy ! Clean residual min=-0.018472 max=0.042669 Jy/beam ! Clean residual mean=0.001925 rms=0.008221 Jy/beam ! Combined flux in latest and established models = 1.39998 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 36 components and 1.39998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179088Jy sigma=0.001153 ! Fit after self-cal, rms=0.178296Jy sigma=0.001147 ! 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 0.98 FD 0.99 GC 1.00* GG 1.00* ! HN 1.01 KP 1.00* LA 1.00* NL 1.01 ! OV 1.00* PT 1.00* SC 0.99 WF 1.02 ! GN 1.00* HH 1.00* KK 0.99 MC 1.00* ! MK 1.01 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 GC 1.00* GG 1.00* ! HN 1.01 KP 1.00* LA 1.00* NL 1.02 ! OV 1.00* PT 1.00* SC 0.99 WF 1.00* ! GN 1.00* HH 1.00* KK 0.99 MC 1.00* ! MK 1.00 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 GC 1.00* GG 1.00* ! HN 1.03 KP 1.00* LA 1.00* NL 0.99 ! OV 1.00* PT 1.00* SC 1.01 WF 1.05 ! GN 1.00* HH 1.00* KK 0.99 MC 1.00* ! MK 0.99 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 GC 1.00* GG 1.00* ! HN 1.05 KP 1.00* LA 1.00* NL 0.98 ! OV 1.00* PT 1.00* SC 1.02 WF 1.03 ! GN 1.00* HH 1.00* KK 0.99 MC 1.00* ! MK 1.00 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.178296Jy sigma=0.001147 ! Fit after self-cal, rms=0.178831Jy sigma=0.001129 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.058 mas, bmaj=6.779 mas, bpa=-13.54 degrees ! Estimated noise=2168.76 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 (11, 23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0287535 Jy ! Component: 100 - total flux cleaned = 0.0356343 Jy ! Component: 150 - total flux cleaned = 0.0421648 Jy ! Component: 200 - total flux cleaned = 0.0458313 Jy ! Total flux subtracted in 200 components = 0.0458313 Jy ! Clean residual min=-0.012934 max=0.017627 Jy/beam ! Clean residual mean=0.000550 rms=0.003643 Jy/beam ! Combined flux in latest and established models = 1.44581 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 55 components and 1.44581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172318Jy sigma=0.001082 ! Fit after self-cal, rms=0.172279Jy sigma=0.001082 ! 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=0.172279Jy sigma=0.001082 ! Fit after self-cal, rms=0.171153Jy sigma=0.001080 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.058 mas, bmaj=6.776 mas, bpa=-13.48 degrees ! Estimated noise=2166.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00630304 Jy ! Component: 100 - total flux cleaned = 0.00741177 Jy ! Component: 150 - total flux cleaned = 0.00855453 Jy ! Component: 200 - total flux cleaned = 0.00957386 Jy ! Total flux subtracted in 200 components = 0.00957386 Jy ! Clean residual min=-0.011013 max=0.014162 Jy/beam ! Clean residual mean=0.000487 rms=0.002946 Jy/beam ! Combined flux in latest and established models = 1.45538 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 71 components and 1.45538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170307Jy sigma=0.001074 ! Fit after self-cal, rms=0.170258Jy sigma=0.001074 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 (-11, -23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.010196 Jy ! Component: 100 - total flux cleaned = 0.0110842 Jy ! Component: 150 - total flux cleaned = 0.0110889 Jy ! Component: 200 - total flux cleaned = 0.0109577 Jy ! Total flux subtracted in 200 components = 0.0109577 Jy ! Clean residual min=-0.009204 max=0.011270 Jy/beam ! Clean residual mean=0.000165 rms=0.002224 Jy/beam ! Combined flux in latest and established models = 1.46634 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 97 components and 1.46634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169323Jy sigma=0.001068 ! Fit after self-cal, rms=0.169268Jy sigma=0.001068 ! Inverting map ! Added new window around map position (-61, 47.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00655098 Jy ! Component: 100 - total flux cleaned = 0.00576267 Jy ! Component: 150 - total flux cleaned = 0.00526641 Jy ! Component: 200 - total flux cleaned = 0.00454776 Jy ! Total flux subtracted in 200 components = 0.00454776 Jy ! Clean residual min=-0.007734 max=0.009989 Jy/beam ! Clean residual mean=0.000174 rms=0.001819 Jy/beam ! Combined flux in latest and established models = 1.47089 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 120 components and 1.47089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168509Jy sigma=0.001064 ! Fit after self-cal, rms=0.168450Jy sigma=0.001063 ! Inverting map ! Added new window around map position (58.5, -37). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00402285 Jy ! Component: 100 - total flux cleaned = 0.00496908 Jy ! Component: 150 - total flux cleaned = 0.00594368 Jy ! Component: 200 - total flux cleaned = 0.00668819 Jy ! Total flux subtracted in 200 components = 0.00668819 Jy ! Clean residual min=-0.006732 max=0.006596 Jy/beam ! Clean residual mean=0.000160 rms=0.001576 Jy/beam ! Combined flux in latest and established models = 1.47758 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 149 components and 1.47758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167925Jy sigma=0.001060 ! Fit after self-cal, rms=0.167903Jy sigma=0.001060 ! 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=0.167903Jy sigma=0.001060 ! Fit after self-cal, rms=0.167198Jy sigma=0.001058 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.06 mas, bmaj=6.774 mas, bpa=-13.44 degrees ! Estimated noise=2163.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00471827 Jy ! Component: 100 - total flux cleaned = 0.00703873 Jy ! Component: 150 - total flux cleaned = 0.00785578 Jy ! Component: 200 - total flux cleaned = 0.0086162 Jy ! Total flux subtracted in 200 components = 0.0086162 Jy ! Clean residual min=-0.005369 max=0.006270 Jy/beam ! Clean residual mean=0.000261 rms=0.001379 Jy/beam ! Combined flux in latest and established models = 1.48619 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 168 components and 1.48619 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166897Jy sigma=0.001057 ! Fit after self-cal, rms=0.166876Jy sigma=0.001057 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 (-53, 36). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00569796 Jy ! Component: 100 - total flux cleaned = 0.00849509 Jy ! Component: 150 - total flux cleaned = 0.010768 Jy ! Component: 200 - total flux cleaned = 0.0129228 Jy ! Total flux subtracted in 200 components = 0.0129228 Jy ! Clean residual min=-0.004784 max=0.004943 Jy/beam ! Clean residual mean=0.000156 rms=0.001239 Jy/beam ! Combined flux in latest and established models = 1.49911 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 192 components and 1.49911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166587Jy sigma=0.001055 ! Fit after self-cal, rms=0.166572Jy sigma=0.001054 ! 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=0.166572Jy sigma=0.001054 ! Fit after self-cal, rms=0.166392Jy sigma=0.001054 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=5.722 mas, bmaj=12.06 mas, bpa=5.4 degrees ! Estimated noise=3542.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00547113 Jy ! Component: 100 - total flux cleaned = 0.00974177 Jy ! Component: 150 - total flux cleaned = 0.0138063 Jy ! Component: 200 - total flux cleaned = 0.0177603 Jy ! Total flux subtracted in 200 components = 0.0177603 Jy ! Clean residual min=-0.003787 max=0.007304 Jy/beam ! Clean residual mean=0.000757 rms=0.001696 Jy/beam ! Combined flux in latest and established models = 1.51687 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 224 components and 1.51687 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166291Jy sigma=0.001054 ! Fit after self-cal, rms=0.166275Jy sigma=0.001054 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 = 0.00257211 Jy ! Component: 100 - total flux cleaned = 0.00427383 Jy ! Component: 150 - total flux cleaned = 0.00590405 Jy ! Component: 200 - total flux cleaned = 0.00769633 Jy ! Total flux subtracted in 200 components = 0.00769633 Jy ! Clean residual min=-0.003974 max=0.006654 Jy/beam ! Clean residual mean=0.000493 rms=0.001500 Jy/beam ! Combined flux in latest and established models = 1.52457 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 247 components and 1.52457 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166211Jy sigma=0.001053 ! Fit after self-cal, rms=0.166207Jy sigma=0.001053 ! 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=2.061 mas, bmaj=6.774 mas, bpa=-13.43 degrees ! Estimated noise=2162.18 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.061 x 6.774 at -13.43 degrees (North through East) ! Clean map min=-0.012066 max=1.1165 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=0.166207Jy sigma=0.001053 ! Fit after self-cal, rms=0.165258Jy sigma=0.001049 ! Inverting map and beam ! Estimated beam: bmin=2.061 mas, bmaj=6.777 mas, bpa=-13.44 degrees ! Estimated noise=2160.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000963332 Jy ! Component: 100 - total flux cleaned = 0.00163194 Jy ! Component: 150 - total flux cleaned = 0.00223283 Jy ! Component: 200 - total flux cleaned = 0.00335169 Jy ! Total flux subtracted in 200 components = 0.00335169 Jy ! Clean residual min=-0.004271 max=0.004567 Jy/beam ! Clean residual mean=0.000030 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 1.52792 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 265 components and 1.52792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165054Jy sigma=0.001047 ! Fit after self-cal, rms=0.165051Jy sigma=0.001047 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000107814 Jy ! Component: 100 - total flux cleaned = 0.00101093 Jy ! Component: 150 - total flux cleaned = 0.00197213 Jy ! Component: 200 - total flux cleaned = 0.00288874 Jy ! Total flux subtracted in 200 components = 0.00288874 Jy ! Clean residual min=-0.004402 max=0.004419 Jy/beam ! Clean residual mean=0.000028 rms=0.001053 Jy/beam ! Combined flux in latest and established models = 1.53081 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 272 components and 1.53081 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164933Jy sigma=0.001047 ! Fit after self-cal, rms=0.164930Jy sigma=0.001047 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164930Jy sigma=0.001047 ! Fit after self-cal, rms=0.164871Jy sigma=0.001046 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=1.885 mas, bmaj=6.524 mas, bpa=-9.734 degrees ! Estimated noise=3926.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.848766 Jy ! Component: 100 - total flux cleaned = 1.05242 Jy ! Component: 150 - total flux cleaned = 1.14568 Jy ! Component: 200 - total flux cleaned = 1.20597 Jy ! Total flux subtracted in 200 components = 1.20597 Jy ! Clean residual min=-0.027040 max=0.040557 Jy/beam ! Clean residual mean=0.003760 rms=0.010974 Jy/beam ! Combined flux in latest and established models = 1.20597 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.20597 Jy ! Inverting map and beam ! Estimated beam: bmin=2.062 mas, bmaj=6.777 mas, bpa=-13.43 degrees ! Estimated noise=2160.5 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 = 0.0645873 Jy ! Component: 100 - total flux cleaned = 0.110779 Jy ! Component: 150 - total flux cleaned = 0.144927 Jy ! Component: 200 - total flux cleaned = 0.170677 Jy ! Total flux subtracted in 200 components = 0.170677 Jy ! Clean residual min=-0.015634 max=0.020999 Jy/beam ! Clean residual mean=0.002958 rms=0.006028 Jy/beam ! Combined flux in latest and established models = 1.37664 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 46 components and 1.37664 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=5.723 mas, bmaj=12.06 mas, bpa=5.414 degrees ! Estimated noise=3534.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0502292 Jy ! Component: 100 - total flux cleaned = 0.0749945 Jy ! Component: 150 - total flux cleaned = 0.0913431 Jy ! Component: 200 - total flux cleaned = 0.103994 Jy ! Total flux subtracted in 200 components = 0.103994 Jy ! Clean residual min=-0.008496 max=0.011741 Jy/beam ! Clean residual mean=0.002611 rms=0.003498 Jy/beam ! Combined flux in latest and established models = 1.48064 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 = 0.0107637 Jy ! Component: 100 - total flux cleaned = 0.0203435 Jy ! Component: 150 - total flux cleaned = 0.0291612 Jy ! Component: 200 - total flux cleaned = 0.0375319 Jy ! Total flux subtracted in 200 components = 0.0375319 Jy ! Clean residual min=-0.006755 max=0.010580 Jy/beam ! Clean residual mean=0.001865 rms=0.002427 Jy/beam ! Combined flux in latest and established models = 1.51817 Jy ! Adding 97 model components to the UV plane model. ! The established model now contains 134 components and 1.51817 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.062 mas, bmaj=6.777 mas, bpa=-13.43 degrees ! Estimated noise=2160.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00396714 Jy ! Component: 100 - total flux cleaned = -0.00229618 Jy ! Component: 150 - total flux cleaned = -0.000426316 Jy ! Component: 200 - total flux cleaned = 0.00190811 Jy ! Total flux subtracted in 200 components = 0.00190811 Jy ! Clean residual min=-0.007309 max=0.010247 Jy/beam ! Clean residual mean=0.000407 rms=0.002428 Jy/beam ! Combined flux in latest and established models = 1.52008 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 156 components and 1.52008 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166793Jy sigma=0.001061 ! Fit after self-cal, rms=0.166558Jy sigma=0.001060 wmodel J2258-2758_S_1999_03_08_pus_map.mod ! Writing 156 model components to file: J2258-2758_S_1999_03_08_pus_map.mod wobs J2258-2758_S_1999_03_08_pus_uvs.fits ! Writing UV FITS file: J2258-2758_S_1999_03_08_pus_uvs.fits wwins J2258-2758_S_1999_03_08_pus_map.win ! wwins: Wrote 7 windows to J2258-2758_S_1999_03_08_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 = 0.00405353 Jy ! Component: 100 - total flux cleaned = 0.00593066 Jy ! Component: 150 - total flux cleaned = 0.00787855 Jy ! Component: 200 - total flux cleaned = 0.00910975 Jy ! Component: 250 - total flux cleaned = 0.00973655 Jy ! Component: 300 - total flux cleaned = 0.0106302 Jy ! Component: 350 - total flux cleaned = 0.011577 Jy ! Component: 400 - total flux cleaned = 0.0126685 Jy ! Component: 450 - total flux cleaned = 0.0134583 Jy ! Component: 500 - total flux cleaned = 0.0143053 Jy ! Component: 550 - total flux cleaned = 0.0149581 Jy ! Component: 600 - total flux cleaned = 0.0155913 Jy ! Component: 650 - total flux cleaned = 0.0159774 Jy ! Component: 700 - total flux cleaned = 0.016203 Jy ! Component: 750 - total flux cleaned = 0.016645 Jy ! Component: 800 - total flux cleaned = 0.0169344 Jy ! Component: 850 - total flux cleaned = 0.0175721 Jy ! Component: 900 - total flux cleaned = 0.0180591 Jy ! Component: 950 - total flux cleaned = 0.0184013 Jy ! Component: 1000 - total flux cleaned = 0.0187393 Jy ! Component: 1050 - total flux cleaned = 0.0192705 Jy ! Component: 1100 - total flux cleaned = 0.0197288 Jy ! Component: 1150 - total flux cleaned = 0.0201796 Jy ! Component: 1200 - total flux cleaned = 0.0206872 Jy ! Component: 1250 - total flux cleaned = 0.0210631 Jy ! Component: 1300 - total flux cleaned = 0.0214961 Jy ! Component: 1350 - total flux cleaned = 0.0220451 Jy ! Component: 1400 - total flux cleaned = 0.0224661 Jy ! Component: 1450 - total flux cleaned = 0.0228822 Jy ! Component: 1500 - total flux cleaned = 0.0233528 Jy ! Component: 1550 - total flux cleaned = 0.0237615 Jy ! Component: 1600 - total flux cleaned = 0.0242813 Jy ! Component: 1650 - total flux cleaned = 0.0246813 Jy ! Component: 1700 - total flux cleaned = 0.0250779 Jy ! Component: 1750 - total flux cleaned = 0.0254711 Jy ! Component: 1800 - total flux cleaned = 0.0259723 Jy ! Component: 1850 - total flux cleaned = 0.0263036 Jy ! Component: 1900 - total flux cleaned = 0.0268521 Jy ! Component: 1950 - total flux cleaned = 0.0272337 Jy ! Component: 2000 - total flux cleaned = 0.0277743 Jy ! Total flux subtracted in 2048 components = 0.0282036 Jy ! Clean residual min=-0.003555 max=0.003463 Jy/beam ! Clean residual mean=0.000119 rms=0.000943 Jy/beam ! Combined flux in latest and established models = 1.54828 Jy keep ! Adding 112 model components to the UV plane model. ! The established model now contains 268 components and 1.54828 Jy ![Exited script file: muppet] wmap "J2258-2758_S_1999_03_08_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.062 x 6.777 at -13.43 degrees (North through East) ! Clean map min=-0.0090912 max=1.1089 Jy/beam ! Writing clean map to FITS file: J2258-2758_S_1999_03_08_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.10892 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000943964 device "J2258-2758_S_1999_03_08_pus\_map.eps/VPS" ! Attempting to open device: 'J2258-2758_S_1999_03_08_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.255375 0.255375 0.51075 1.0215 2.043 4.086 8.172 16.344 32.688 65.376 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0028 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.108 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.062 x 6.777 at -13.43 degrees (North through East) ! Clean map min=-0.0090912 max=1.1089 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2258-2758_S_1999_03_08_pus\_map.gif/vgif" ! Attempting to open device: 'J2258-2758_S_1999_03_08_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2258-2758_S_1999_03_08_pus_uvs.log closed on Wed Jan 9 15:27:02 2008