! Started logfile: J0222-3441_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:35:17 2010 obs J0222-3441_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0222-3441_S_2008_04_02_pus_uva.fits ! AN table 1: 44 integrations on 120 of 120 possible baselines. ! AN table 2: 45 integrations on 120 of 120 possible baselines. ! AN table 3: 41 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.102564 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0222-3441 ! ! 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 984 lines of history. ! ! Reading 6400 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 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 372 telescope corrections were flagged in sub-array 1. ! A total of 549 telescope corrections were flagged in sub-array 2. ! A total of 656 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.470111Jy sigma=0.003531 ! Fit after self-cal, rms=0.306552Jy sigma=0.002259 ! 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=2.5 mas, bmaj=7.361 mas, bpa=-1.499 degrees ! Estimated noise=1810.34 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 = 0.606686 Jy ! Component: 100 - total flux cleaned = 0.751771 Jy ! Total flux subtracted in 100 components = 0.751771 Jy ! Clean residual min=-0.034514 max=0.071028 Jy/beam ! Clean residual mean=-0.000267 rms=0.012386 Jy/beam ! Combined flux in latest and established models = 0.751771 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.751771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262798Jy sigma=0.001984 ! Fit after self-cal, rms=0.262791Jy sigma=0.001984 ! 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=3.072 mas, bmaj=9.445 mas, bpa=-6.931 degrees ! Estimated noise=1183.51 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 = 0.101502 Jy ! Component: 100 - total flux cleaned = 0.145897 Jy ! Component: 150 - total flux cleaned = 0.1663 Jy ! Component: 200 - total flux cleaned = 0.175753 Jy ! Total flux subtracted in 200 components = 0.175753 Jy ! Clean residual min=-0.027144 max=0.024426 Jy/beam ! Clean residual mean=-0.001711 rms=0.007388 Jy/beam ! Combined flux in latest and established models = 0.927524 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 23 components and 0.927524 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227520Jy sigma=0.001691 ! Fit after self-cal, rms=0.227374Jy sigma=0.001690 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HH 1.00* HN 1.00* ! KK 1.11 KP 0.95 LA 1.19 MK 0.82 ! NL 1.03 NY 1.00* ON 1.00* OV 0.93 ! PT 1.00 SC 1.00 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 HH 1.00* HN 1.32 ! KK 1.00* KP 0.97 LA 1.23 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00 SC 1.01 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.13 HH 1.00* HN 1.00* ! KK 1.05 KP 1.00 LA 1.13 MK 0.83 ! NL 1.06 NY 1.00* ON 1.00* OV 0.98 ! PT 0.99 SC 1.05 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.15 HH 1.00* HN 1.35 ! KK 1.00* KP 1.02 LA 1.09 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.00 SC 1.12 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.15 HH 1.00* HN 1.00* ! KK 1.13 KP 0.98 LA 0.89 MK 0.88 ! NL 1.12 NY 1.00* ON 1.00* OV 1.00 ! PT 1.06 SC 0.93 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.11 HH 1.00* HN 1.46 ! KK 1.00* KP 1.02 LA 0.88 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 1.03 SC 1.00 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.09 HH 1.00* HN 1.00* ! KK 1.15 KP 0.90 LA 0.73 MK 0.94 ! NL 1.00 NY 1.00* ON 1.00* OV 0.82 ! PT 0.92 SC 0.97 WZ 1.00* ZC 1.00* ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.13 HH 1.00* HN 1.27 ! KK 1.00* KP 0.90 LA 0.77 MK 1.00* ! NL 1.00* NY 1.00* ON 1.00* OV 1.00* ! PT 0.92 SC 1.02 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.227374Jy sigma=0.001690 ! Fit after self-cal, rms=0.177194Jy sigma=0.001274 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.973 mas, bmaj=9.092 mas, bpa=-6.896 degrees ! Estimated noise=1217.1 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 = 0.00694734 Jy ! Component: 100 - total flux cleaned = 0.00696828 Jy ! Component: 150 - total flux cleaned = 0.00630729 Jy ! Component: 200 - total flux cleaned = 0.0059208 Jy ! Total flux subtracted in 200 components = 0.0059208 Jy ! Clean residual min=-0.008462 max=0.011044 Jy/beam ! Clean residual mean=-0.000214 rms=0.002608 Jy/beam ! Combined flux in latest and established models = 0.933445 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 26 components and 0.933445 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176129Jy sigma=0.001269 ! Fit after self-cal, rms=0.176259Jy sigma=0.001267 ! 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=0.176259Jy sigma=0.001267 ! Fit after self-cal, rms=0.175737Jy sigma=0.001266 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.958 mas, bmaj=9.072 mas, bpa=-6.969 degrees ! Estimated noise=1215.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00487782 Jy ! Component: 100 - total flux cleaned = 0.00487678 Jy ! Component: 150 - total flux cleaned = 0.00452381 Jy ! Component: 200 - total flux cleaned = 0.00420816 Jy ! Total flux subtracted in 200 components = 0.00420816 Jy ! Clean residual min=-0.007790 max=0.009701 Jy/beam ! Clean residual mean=-0.000147 rms=0.002324 Jy/beam ! Combined flux in latest and established models = 0.937653 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 26 components and 0.937653 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175085Jy sigma=0.001262 ! Fit after self-cal, rms=0.175004Jy sigma=0.001262 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 = 0.000460252 Jy ! Component: 100 - total flux cleaned = 0.000173343 Jy ! Component: 150 - total flux cleaned = -0.000320441 Jy ! Component: 200 - total flux cleaned = -0.000534949 Jy ! Total flux subtracted in 200 components = -0.000534949 Jy ! Clean residual min=-0.007469 max=0.009083 Jy/beam ! Clean residual mean=-0.000143 rms=0.002241 Jy/beam ! Combined flux in latest and established models = 0.937118 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 27 components and 0.937118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174742Jy sigma=0.001260 ! Fit after self-cal, rms=0.174715Jy sigma=0.001260 ! 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=0.174715Jy sigma=0.001260 ! Fit after self-cal, rms=0.174275Jy sigma=0.001259 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.945 mas, bmaj=9.057 mas, bpa=-7.044 degrees ! Estimated noise=1212.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00269992 Jy ! Component: 100 - total flux cleaned = 0.00285181 Jy ! Component: 150 - total flux cleaned = 0.00261978 Jy ! Component: 200 - total flux cleaned = 0.00251275 Jy ! Total flux subtracted in 200 components = 0.00251275 Jy ! Clean residual min=-0.006882 max=0.008118 Jy/beam ! Clean residual mean=-0.000083 rms=0.002053 Jy/beam ! Combined flux in latest and established models = 0.939631 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 0.939631 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173990Jy sigma=0.001258 ! Fit after self-cal, rms=0.173973Jy 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 = 6.06414e-06 Jy ! Component: 100 - total flux cleaned = -8.50248e-05 Jy ! Component: 150 - total flux cleaned = -0.000168125 Jy ! Component: 200 - total flux cleaned = -0.000248324 Jy ! Total flux subtracted in 200 components = -0.000248324 Jy ! Clean residual min=-0.006690 max=0.007924 Jy/beam ! Clean residual mean=-0.000082 rms=0.002008 Jy/beam ! Combined flux in latest and established models = 0.939383 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 31 components and 0.939382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173847Jy sigma=0.001257 ! Fit after self-cal, rms=0.173839Jy sigma=0.001257 ! 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=0.173839Jy sigma=0.001257 ! Fit after self-cal, rms=0.173735Jy sigma=0.001256 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.817 mas, bmaj=25.96 mas, bpa=1.193 degrees ! Estimated noise=1516.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00233013 Jy ! Component: 100 - total flux cleaned = 0.00265324 Jy ! Component: 150 - total flux cleaned = 0.00274945 Jy ! Component: 200 - total flux cleaned = 0.00280747 Jy ! Total flux subtracted in 200 components = 0.00280747 Jy ! Clean residual min=-0.005637 max=0.009599 Jy/beam ! Clean residual mean=-0.000120 rms=0.002518 Jy/beam ! Combined flux in latest and established models = 0.94219 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 33 components and 0.94219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173747Jy sigma=0.001256 ! Fit after self-cal, rms=0.173746Jy sigma=0.001256 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 = 5.04169e-05 Jy ! Component: 100 - total flux cleaned = 4.87028e-05 Jy ! Component: 150 - total flux cleaned = 4.896e-05 Jy ! Component: 200 - total flux cleaned = 9.79608e-05 Jy ! Total flux subtracted in 200 components = 9.79608e-05 Jy ! Clean residual min=-0.005605 max=0.009573 Jy/beam ! Clean residual mean=-0.000121 rms=0.002513 Jy/beam ! Combined flux in latest and established models = 0.942288 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 36 components and 0.942288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173745Jy sigma=0.001256 ! Fit after self-cal, rms=0.173743Jy sigma=0.001256 ! 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=2.938 mas, bmaj=9.051 mas, bpa=-7.102 degrees ! Estimated noise=1211.04 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.938 x 9.051 at -7.102 degrees (North through East) ! Clean map min=-0.0058631 max=0.7785 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=0.173743Jy sigma=0.001256 ! Fit after self-cal, rms=0.162968Jy sigma=0.001144 ! Inverting map and beam ! Estimated beam: bmin=2.938 mas, bmaj=9.052 mas, bpa=-7.075 degrees ! Estimated noise=1214.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166598 Jy ! Component: 100 - total flux cleaned = 0.00167902 Jy ! Component: 150 - total flux cleaned = 0.00158939 Jy ! Component: 200 - total flux cleaned = 0.00150339 Jy ! Total flux subtracted in 200 components = 0.00150339 Jy ! Clean residual min=-0.005996 max=0.007635 Jy/beam ! Clean residual mean=-0.000078 rms=0.001892 Jy/beam ! Combined flux in latest and established models = 0.943791 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 39 components and 0.943791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162800Jy sigma=0.001144 ! Fit after self-cal, rms=0.162797Jy sigma=0.001144 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000106889 Jy ! Component: 100 - total flux cleaned = -0.000175058 Jy ! Component: 150 - total flux cleaned = -0.000176035 Jy ! Component: 200 - total flux cleaned = -0.000183245 Jy ! Total flux subtracted in 200 components = -0.000183245 Jy ! Clean residual min=-0.005962 max=0.007583 Jy/beam ! Clean residual mean=-0.000076 rms=0.001866 Jy/beam ! Combined flux in latest and established models = 0.943608 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 40 components and 0.943608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162716Jy sigma=0.001143 ! Fit after self-cal, rms=0.162715Jy sigma=0.001143 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162715Jy sigma=0.001143 ! Fit after self-cal, rms=0.162791Jy sigma=0.001143 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=2.46 mas, bmaj=7.233 mas, bpa=-1.724 degrees ! Estimated noise=1841.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.609415 Jy ! Component: 100 - total flux cleaned = 0.763528 Jy ! Component: 150 - total flux cleaned = 0.835485 Jy ! Component: 200 - total flux cleaned = 0.875408 Jy ! Total flux subtracted in 200 components = 0.875408 Jy ! Clean residual min=-0.012647 max=0.019988 Jy/beam ! Clean residual mean=-0.000106 rms=0.003726 Jy/beam ! Combined flux in latest and established models = 0.875408 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.875408 Jy ! Inverting map and beam ! Estimated beam: bmin=2.934 mas, bmaj=9.055 mas, bpa=-7.143 degrees ! Estimated noise=1214.01 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 = 0.0347961 Jy ! Component: 100 - total flux cleaned = 0.0506939 Jy ! Component: 150 - total flux cleaned = 0.0585536 Jy ! Component: 200 - total flux cleaned = 0.0625142 Jy ! Total flux subtracted in 200 components = 0.0625142 Jy ! Clean residual min=-0.006496 max=0.008135 Jy/beam ! Clean residual mean=-0.000022 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 0.937922 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 63 components and 0.937922 Jy ! Inverting map ! Added new window around map position (-11.5, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00723569 Jy ! Component: 100 - total flux cleaned = 0.0106129 Jy ! Component: 150 - total flux cleaned = 0.0117989 Jy ! Component: 200 - total flux cleaned = 0.0121446 Jy ! Total flux subtracted in 200 components = 0.0121446 Jy ! Clean residual min=-0.005968 max=0.004666 Jy/beam ! Clean residual mean=-0.000102 rms=0.001471 Jy/beam ! Combined flux in latest and established models = 0.950067 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 84 components and 0.950067 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=8.819 mas, bmaj=25.98 mas, bpa=1.191 degrees ! Estimated noise=1521.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00240283 Jy ! Component: 100 - total flux cleaned = 0.00350703 Jy ! Component: 150 - total flux cleaned = 0.00359612 Jy ! Component: 200 - total flux cleaned = 0.00362284 Jy ! Total flux subtracted in 200 components = 0.00362284 Jy ! Clean residual min=-0.005385 max=0.004777 Jy/beam ! Clean residual mean=-0.000249 rms=0.001786 Jy/beam ! Combined flux in latest and established models = 0.95369 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 = 2.60723e-05 Jy ! Component: 100 - total flux cleaned = 7.48271e-05 Jy ! Component: 150 - total flux cleaned = 9.77953e-05 Jy ! Component: 200 - total flux cleaned = 0.000143658 Jy ! Total flux subtracted in 200 components = 0.000143658 Jy ! Clean residual min=-0.005379 max=0.004762 Jy/beam ! Clean residual mean=-0.000252 rms=0.001783 Jy/beam ! Combined flux in latest and established models = 0.953833 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 94 components and 0.953833 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.934 mas, bmaj=9.055 mas, bpa=-7.143 degrees ! Estimated noise=1214.01 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000597097 Jy ! Component: 100 - total flux cleaned = -0.000726488 Jy ! Component: 150 - total flux cleaned = -0.000783367 Jy ! Component: 200 - total flux cleaned = -0.000781691 Jy ! Total flux subtracted in 200 components = -0.000781691 Jy ! Clean residual min=-0.005738 max=0.004610 Jy/beam ! Clean residual mean=-0.000117 rms=0.001413 Jy/beam ! Combined flux in latest and established models = 0.953052 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 108 components and 0.953052 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162134Jy sigma=0.001139 ! Fit after self-cal, rms=0.162106Jy sigma=0.001139 wmodel J0222-3441_S_2008_04_02_pus_map.mod ! Writing 108 model components to file: J0222-3441_S_2008_04_02_pus_map.mod wobs J0222-3441_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0222-3441_S_2008_04_02_pus_uvs.fits wwins J0222-3441_S_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J0222-3441_S_2008_04_02_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 = -7.04501e-05 Jy ! Component: 100 - total flux cleaned = -0.000389693 Jy ! Component: 150 - total flux cleaned = -0.000537282 Jy ! Component: 200 - total flux cleaned = -0.0011068 Jy ! Component: 250 - total flux cleaned = -0.00151655 Jy ! Component: 300 - total flux cleaned = -0.0020408 Jy ! Component: 350 - total flux cleaned = -0.00254622 Jy ! Component: 400 - total flux cleaned = -0.0029716 Jy ! Component: 450 - total flux cleaned = -0.00338534 Jy ! Component: 500 - total flux cleaned = -0.00378694 Jy ! Component: 550 - total flux cleaned = -0.00406407 Jy ! Component: 600 - total flux cleaned = -0.00417112 Jy ! Component: 650 - total flux cleaned = -0.00438094 Jy ! Component: 700 - total flux cleaned = -0.00453555 Jy ! Component: 750 - total flux cleaned = -0.00493478 Jy ! Component: 800 - total flux cleaned = -0.00522674 Jy ! Component: 850 - total flux cleaned = -0.00556041 Jy ! Component: 900 - total flux cleaned = -0.00579354 Jy ! Component: 950 - total flux cleaned = -0.00597634 Jy ! Component: 1000 - total flux cleaned = -0.00615494 Jy ! Component: 1050 - total flux cleaned = -0.00633028 Jy ! Component: 1100 - total flux cleaned = -0.00645986 Jy ! Component: 1150 - total flux cleaned = -0.00662938 Jy ! Component: 1200 - total flux cleaned = -0.00696205 Jy ! Component: 1250 - total flux cleaned = -0.00704379 Jy ! Component: 1300 - total flux cleaned = -0.00724463 Jy ! Component: 1350 - total flux cleaned = -0.00748104 Jy ! Component: 1400 - total flux cleaned = -0.00759648 Jy ! Component: 1450 - total flux cleaned = -0.00778685 Jy ! Component: 1500 - total flux cleaned = -0.00789969 Jy ! Component: 1550 - total flux cleaned = -0.0081587 Jy ! Component: 1600 - total flux cleaned = -0.00834167 Jy ! Component: 1650 - total flux cleaned = -0.00866581 Jy ! Component: 1700 - total flux cleaned = -0.00877219 Jy ! Component: 1750 - total flux cleaned = -0.0089479 Jy ! Component: 1800 - total flux cleaned = -0.00919101 Jy ! Component: 1850 - total flux cleaned = -0.00949891 Jy ! Component: 1900 - total flux cleaned = -0.0096677 Jy ! Component: 1950 - total flux cleaned = -0.00986806 Jy ! Component: 2000 - total flux cleaned = -0.0100326 Jy ! Total flux subtracted in 2048 components = -0.0101955 Jy ! Clean residual min=-0.002546 max=0.001867 Jy/beam ! Clean residual mean=-0.000059 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.942856 Jy keep ! Adding 134 model components to the UV plane model. ! The established model now contains 242 components and 0.942857 Jy wmap "J0222-3441_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.934 x 9.055 at -7.143 degrees (North through East) ! Clean map min=-0.0047193 max=0.79582 Jy/beam ! Writing clean map to FITS file: J0222-3441_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.79582 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000680498 device "J0222-3441_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0222-3441_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.256527 0.256527 0.513054 1.02611 2.05222 4.10443 8.20887 16.4177 32.8355 65.671 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.795 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.934 x 9.055 at -7.143 degrees (North through East) ! Clean map min=-0.0047193 max=0.79582 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0222-3441_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0222-3441_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0222-3441_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:35:20 2010