! Started logfile: J2246-1206_S_2009_04_21_pus_uvs.log on Mon Jan 24 18:37:06 2011 obs J2246-1206_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J2246-1206_S_2009_04_21_pus_uva.fits ! AN table 1: 125 integrations on 120 of 120 possible baselines. ! AN table 2: 29 integrations on 120 of 120 possible baselines. ! AN table 3: 10 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.129014 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2246-1206 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1864 lines of history. ! ! Reading 10156 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 J2246-1206_S_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1350 telescope corrections were flagged in sub-array 1. ! A total of 428 telescope corrections were flagged in sub-array 2. ! A total of 136 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1350 telescope corrections were flagged in sub-array 1. ! A total of 428 telescope corrections were flagged in sub-array 2. ! A total of 136 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1350 telescope corrections were flagged in sub-array 1. ! A total of 428 telescope corrections were flagged in sub-array 2. ! A total of 136 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1350 telescope corrections were flagged in sub-array 1. ! A total of 428 telescope corrections were flagged in sub-array 2. ! A total of 136 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.758223Jy sigma=0.006380 ! Fit after self-cal, rms=0.676625Jy sigma=0.005648 ! 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=2.161 mas, bmaj=7.393 mas, bpa=-2.218 degrees ! Estimated noise=1291.76 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 (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.09856 Jy ! Component: 100 - total flux cleaned = 1.42818 Jy ! Total flux subtracted in 100 components = 1.42818 Jy ! Clean residual min=-0.044926 max=0.138849 Jy/beam ! Clean residual mean=0.000826 rms=0.013378 Jy/beam ! Combined flux in latest and established models = 1.42818 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.42818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.382900Jy sigma=0.003138 ! Fit after self-cal, rms=0.379744Jy sigma=0.003121 ! Inverting map ! Added new window around map position (2, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.159348 Jy ! Component: 100 - total flux cleaned = 0.251052 Jy ! Total flux subtracted in 100 components = 0.251052 Jy ! Clean residual min=-0.029800 max=0.048666 Jy/beam ! Clean residual mean=0.000502 rms=0.007532 Jy/beam ! Combined flux in latest and established models = 1.67923 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 1.67923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263740Jy sigma=0.002084 ! Fit after self-cal, rms=0.260321Jy sigma=0.002063 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0661283 Jy ! Component: 100 - total flux cleaned = 0.105441 Jy ! Total flux subtracted in 100 components = 0.105441 Jy ! Clean residual min=-0.020976 max=0.034410 Jy/beam ! Clean residual mean=0.000362 rms=0.005679 Jy/beam ! Combined flux in latest and established models = 1.78467 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 32 components and 1.78467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231663Jy sigma=0.001792 ! Fit after self-cal, rms=0.230580Jy sigma=0.001786 ! Inverting map ! Added new window around map position (5.5, 7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0394157 Jy ! Component: 100 - total flux cleaned = 0.0654747 Jy ! Total flux subtracted in 100 components = 0.0654747 Jy ! Clean residual min=-0.017463 max=0.018624 Jy/beam ! Clean residual mean=0.000240 rms=0.004850 Jy/beam ! Combined flux in latest and established models = 1.85015 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 45 components and 1.85015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219223Jy sigma=0.001675 ! Fit after self-cal, rms=0.218555Jy sigma=0.001671 ! 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=2.726 mas, bmaj=9.116 mas, bpa=-1.706 degrees ! Estimated noise=888.698 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 = 0.0369482 Jy ! Component: 100 - total flux cleaned = 0.0592354 Jy ! Component: 150 - total flux cleaned = 0.0738425 Jy ! Component: 200 - total flux cleaned = 0.0835195 Jy ! Total flux subtracted in 200 components = 0.0835195 Jy ! Clean residual min=-0.016679 max=0.011650 Jy/beam ! Clean residual mean=0.000285 rms=0.003739 Jy/beam ! Combined flux in latest and established models = 1.93367 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 80 components and 1.93367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212276Jy sigma=0.001606 ! Fit after self-cal, rms=0.211928Jy sigma=0.001604 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 0.99 KB 0.96 ! KK 1.30 KP 1.02 LA 1.05 MK 0.97 ! NL 1.00 NY 1.00* OV 0.95 PT 1.02 ! SC 1.00 TS 0.96 WZ 1.02 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 0.91 ! KK 1.07 KP 1.00* LA 1.00* MK 1.03 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.89 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 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* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.99 KB 1.03 ! KK 1.04 KP 1.01 LA 0.98 MK 0.97 ! NL 1.00 NY 1.00* OV 0.99 PT 1.01 ! SC 1.04 TS 0.96 WZ 0.97 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 0.96 ! KK 1.03 KP 1.00* LA 1.00* MK 1.01 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.90 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 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* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.98 KB 1.02 ! KK 1.08 KP 1.00 LA 1.01 MK 0.97 ! NL 1.00 NY 1.00* OV 1.02 PT 1.06 ! SC 0.98 TS 0.99 WZ 0.87 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 1.00 ! KK 1.02 KP 1.00* LA 1.00* MK 1.04 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.92 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 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* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.98 KB 1.06 ! KK 1.05 KP 1.01 LA 1.01 MK 0.98 ! NL 1.00 NY 1.00* OV 0.85 PT 0.93 ! SC 1.00 TS 0.98 WZ 0.85 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 1.08 ! KK 1.04 KP 1.00* LA 1.00* MK 1.00 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.92 WZ 1.00* ZC 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 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* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.211928Jy sigma=0.001604 ! Fit after self-cal, rms=0.182419Jy sigma=0.001335 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.774 mas, bmaj=9.188 mas, bpa=-2.002 degrees ! Estimated noise=898.201 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 = -0.00134209 Jy ! Component: 100 - total flux cleaned = -0.0025508 Jy ! Component: 150 - total flux cleaned = -0.00286288 Jy ! Component: 200 - total flux cleaned = -0.00272485 Jy ! Total flux subtracted in 200 components = -0.00272485 Jy ! Clean residual min=-0.008896 max=0.011161 Jy/beam ! Clean residual mean=-0.000007 rms=0.002690 Jy/beam ! Combined flux in latest and established models = 1.93094 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 89 components and 1.93094 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182018Jy sigma=0.001332 ! Fit after self-cal, rms=0.182010Jy sigma=0.001332 ! 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=0.182010Jy sigma=0.001332 ! Fit after self-cal, rms=0.175617Jy sigma=0.001277 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.78 mas, bmaj=9.177 mas, bpa=-2.098 degrees ! Estimated noise=897.886 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.94921e-05 Jy ! Component: 100 - total flux cleaned = -0.00110848 Jy ! Component: 150 - total flux cleaned = -0.00175934 Jy ! Component: 200 - total flux cleaned = -0.00204139 Jy ! Total flux subtracted in 200 components = -0.00204139 Jy ! Clean residual min=-0.006935 max=0.009596 Jy/beam ! Clean residual mean=0.000161 rms=0.001900 Jy/beam ! Combined flux in latest and established models = 1.9289 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 100 components and 1.9289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175232Jy sigma=0.001274 ! Fit after self-cal, rms=0.175218Jy sigma=0.001274 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 (12, 6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00541692 Jy ! Component: 100 - total flux cleaned = 0.00537944 Jy ! Component: 150 - total flux cleaned = 0.00521669 Jy ! Component: 200 - total flux cleaned = 0.00507172 Jy ! Total flux subtracted in 200 components = 0.00507172 Jy ! Clean residual min=-0.006719 max=0.007371 Jy/beam ! Clean residual mean=0.000087 rms=0.001742 Jy/beam ! Combined flux in latest and established models = 1.93397 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 123 components and 1.93397 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174700Jy sigma=0.001270 ! Fit after self-cal, rms=0.174635Jy sigma=0.001269 ! 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=0.174635Jy sigma=0.001269 ! Fit after self-cal, rms=0.170981Jy sigma=0.001236 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.784 mas, bmaj=9.169 mas, bpa=-2.096 degrees ! Estimated noise=898.055 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00484481 Jy ! Component: 100 - total flux cleaned = 0.00485355 Jy ! Component: 150 - total flux cleaned = 0.00458533 Jy ! Component: 200 - total flux cleaned = 0.00446328 Jy ! Total flux subtracted in 200 components = 0.00446328 Jy ! Clean residual min=-0.005819 max=0.005326 Jy/beam ! Clean residual mean=-0.000231 rms=0.001235 Jy/beam ! Combined flux in latest and established models = 1.93843 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 137 components and 1.93843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170698Jy sigma=0.001233 ! Fit after self-cal, rms=0.170662Jy sigma=0.001233 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 = 0.00151162 Jy ! Component: 100 - total flux cleaned = 0.00151349 Jy ! Component: 150 - total flux cleaned = 0.00151147 Jy ! Component: 200 - total flux cleaned = 0.00151088 Jy ! Total flux subtracted in 200 components = 0.00151088 Jy ! Clean residual min=-0.005715 max=0.004915 Jy/beam ! Clean residual mean=-0.000254 rms=0.001195 Jy/beam ! Combined flux in latest and established models = 1.93995 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 145 components and 1.93995 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170543Jy sigma=0.001232 ! Fit after self-cal, rms=0.170533Jy sigma=0.001232 ! 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=0.170533Jy sigma=0.001232 ! Fit after self-cal, rms=0.170494Jy sigma=0.001232 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.199 mas, bmaj=14.44 mas, bpa=-8.728 degrees ! Estimated noise=1126.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178627 Jy ! Component: 100 - total flux cleaned = 0.00199548 Jy ! Component: 150 - total flux cleaned = 0.00192393 Jy ! Component: 200 - total flux cleaned = 0.0019231 Jy ! Total flux subtracted in 200 components = 0.0019231 Jy ! Clean residual min=-0.004208 max=0.004423 Jy/beam ! Clean residual mean=-0.000341 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 1.94187 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 171 components and 1.94187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170457Jy sigma=0.001232 ! Fit after self-cal, rms=0.170438Jy sigma=0.001231 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 = 0.000687532 Jy ! Component: 100 - total flux cleaned = 0.000829632 Jy ! Component: 150 - total flux cleaned = 0.000885071 Jy ! Component: 200 - total flux cleaned = 0.000884604 Jy ! Total flux subtracted in 200 components = 0.000884604 Jy ! Clean residual min=-0.004187 max=0.003723 Jy/beam ! Clean residual mean=-0.000367 rms=0.001300 Jy/beam ! Combined flux in latest and established models = 1.94275 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 183 components and 1.94275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170427Jy sigma=0.001231 ! Fit after self-cal, rms=0.170419Jy sigma=0.001231 ! 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=2.786 mas, bmaj=9.169 mas, bpa=-2.109 degrees ! Estimated noise=898.126 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.786 x 9.169 at -2.109 degrees (North through East) ! Clean map min=-0.0059719 max=1.4766 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=0.170419Jy sigma=0.001231 ! Fit after self-cal, rms=0.156564Jy sigma=0.001123 ! Inverting map and beam ! Estimated beam: bmin=2.787 mas, bmaj=9.169 mas, bpa=-2.102 degrees ! Estimated noise=898.092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000610138 Jy ! Component: 100 - total flux cleaned = 0.000973267 Jy ! Component: 150 - total flux cleaned = 0.00105675 Jy ! Component: 200 - total flux cleaned = 0.00105936 Jy ! Total flux subtracted in 200 components = 0.00105936 Jy ! Clean residual min=-0.004425 max=0.004273 Jy/beam ! Clean residual mean=-0.000083 rms=0.001132 Jy/beam ! Combined flux in latest and established models = 1.94381 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 195 components and 1.94381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156480Jy sigma=0.001122 ! Fit after self-cal, rms=0.156472Jy sigma=0.001122 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.44309e-05 Jy ! Component: 100 - total flux cleaned = 0.000129489 Jy ! Component: 150 - total flux cleaned = 0.000126289 Jy ! Component: 200 - total flux cleaned = 6.53499e-05 Jy ! Total flux subtracted in 200 components = 6.53499e-05 Jy ! Clean residual min=-0.004294 max=0.004247 Jy/beam ! Clean residual mean=-0.000083 rms=0.001117 Jy/beam ! Combined flux in latest and established models = 1.94388 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 200 components and 1.94388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156427Jy sigma=0.001122 ! Fit after self-cal, rms=0.156423Jy sigma=0.001122 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156423Jy sigma=0.001122 ! Fit after self-cal, rms=0.156342Jy sigma=0.001122 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=2.213 mas, bmaj=7.449 mas, bpa=-2.274 degrees ! Estimated noise=1299.79 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.10896 Jy ! Component: 100 - total flux cleaned = 1.45755 Jy ! Component: 150 - total flux cleaned = 1.6166 Jy ! Component: 200 - total flux cleaned = 1.70373 Jy ! Total flux subtracted in 200 components = 1.70373 Jy ! Clean residual min=-0.015310 max=0.045173 Jy/beam ! Clean residual mean=0.000386 rms=0.005147 Jy/beam ! Combined flux in latest and established models = 1.70373 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 1.70373 Jy ! Inverting map and beam ! Estimated beam: bmin=2.787 mas, bmaj=9.168 mas, bpa=-2.125 degrees ! Estimated noise=898.095 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 = 0.0919233 Jy ! Component: 100 - total flux cleaned = 0.144277 Jy ! Component: 150 - total flux cleaned = 0.176929 Jy ! Component: 200 - total flux cleaned = 0.197994 Jy ! Total flux subtracted in 200 components = 0.197994 Jy ! Clean residual min=-0.005646 max=0.011360 Jy/beam ! Clean residual mean=0.000631 rms=0.002298 Jy/beam ! Combined flux in latest and established models = 1.90172 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 87 components and 1.90172 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.014044 Jy ! Component: 100 - total flux cleaned = 0.023538 Jy ! Component: 150 - total flux cleaned = 0.0299838 Jy ! Component: 200 - total flux cleaned = 0.0338335 Jy ! Total flux subtracted in 200 components = 0.0338335 Jy ! Clean residual min=-0.003978 max=0.004565 Jy/beam ! Clean residual mean=0.000085 rms=0.001218 Jy/beam ! Combined flux in latest and established models = 1.93556 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 127 components and 1.93556 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=8.198 mas, bmaj=14.45 mas, bpa=-8.754 degrees ! Estimated noise=1125.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00486008 Jy ! Component: 100 - total flux cleaned = 0.00554577 Jy ! Component: 150 - total flux cleaned = 0.00599759 Jy ! Component: 200 - total flux cleaned = 0.00646338 Jy ! Total flux subtracted in 200 components = 0.00646338 Jy ! Clean residual min=-0.004133 max=0.003483 Jy/beam ! Clean residual mean=-0.000022 rms=0.001318 Jy/beam ! Combined flux in latest and established models = 1.94202 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 = 0.000406449 Jy ! Component: 100 - total flux cleaned = 0.000590951 Jy ! Component: 150 - total flux cleaned = 0.000761455 Jy ! Component: 200 - total flux cleaned = 0.000918622 Jy ! Total flux subtracted in 200 components = 0.000918622 Jy ! Clean residual min=-0.004080 max=0.003309 Jy/beam ! Clean residual mean=-0.000053 rms=0.001292 Jy/beam ! Combined flux in latest and established models = 1.94294 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 157 components and 1.94294 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.787 mas, bmaj=9.168 mas, bpa=-2.125 degrees ! Estimated noise=898.095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000820159 Jy ! Component: 100 - total flux cleaned = -0.000545744 Jy ! Component: 150 - total flux cleaned = -0.000544743 Jy ! Component: 200 - total flux cleaned = -0.000543027 Jy ! Total flux subtracted in 200 components = -0.000543027 Jy ! Clean residual min=-0.003679 max=0.004510 Jy/beam ! Clean residual mean=-0.000020 rms=0.001096 Jy/beam ! Combined flux in latest and established models = 1.9424 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 173 components and 1.9424 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156409Jy sigma=0.001122 ! Fit after self-cal, rms=0.156363Jy sigma=0.001121 wmodel J2246-1206_S_2009_04_21_pus_map.mod ! Writing 173 model components to file: J2246-1206_S_2009_04_21_pus_map.mod wobs J2246-1206_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J2246-1206_S_2009_04_21_pus_uvs.fits wwins J2246-1206_S_2009_04_21_pus_map.win ! wwins: Wrote 4 windows to J2246-1206_S_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113847 Jy ! Component: 100 - total flux cleaned = 0.00107839 Jy ! Component: 150 - total flux cleaned = 0.00114014 Jy ! Component: 200 - total flux cleaned = 0.000904155 Jy ! Component: 250 - total flux cleaned = 0.000619033 Jy ! Component: 300 - total flux cleaned = 0.000397434 Jy ! Component: 350 - total flux cleaned = 0.000235406 Jy ! Component: 400 - total flux cleaned = 0.000182345 Jy ! Component: 450 - total flux cleaned = 2.73735e-05 Jy ! Component: 500 - total flux cleaned = -7.34029e-05 Jy ! Component: 550 - total flux cleaned = -7.31345e-05 Jy ! Component: 600 - total flux cleaned = -0.000170397 Jy ! Component: 650 - total flux cleaned = -0.000217671 Jy ! Component: 700 - total flux cleaned = -0.000217011 Jy ! Component: 750 - total flux cleaned = -0.000263294 Jy ! Component: 800 - total flux cleaned = -0.000263206 Jy ! Component: 850 - total flux cleaned = -0.000354305 Jy ! Component: 900 - total flux cleaned = -0.000399663 Jy ! Component: 950 - total flux cleaned = -0.000533253 Jy ! Component: 1000 - total flux cleaned = -0.000576949 Jy ! Component: 1050 - total flux cleaned = -0.000576944 Jy ! Component: 1100 - total flux cleaned = -0.000620276 Jy ! Component: 1150 - total flux cleaned = -0.000705631 Jy ! Component: 1200 - total flux cleaned = -0.000705883 Jy ! Component: 1250 - total flux cleaned = -0.000747667 Jy ! Component: 1300 - total flux cleaned = -0.000789104 Jy ! Component: 1350 - total flux cleaned = -0.000788996 Jy ! Component: 1400 - total flux cleaned = -0.000789017 Jy ! Component: 1450 - total flux cleaned = -0.000789354 Jy ! Component: 1500 - total flux cleaned = -0.000789503 Jy ! Component: 1550 - total flux cleaned = -0.000869117 Jy ! Component: 1600 - total flux cleaned = -0.000829536 Jy ! Component: 1650 - total flux cleaned = -0.000829434 Jy ! Component: 1700 - total flux cleaned = -0.000790811 Jy ! Component: 1750 - total flux cleaned = -0.000829266 Jy ! Component: 1800 - total flux cleaned = -0.000790976 Jy ! Component: 1850 - total flux cleaned = -0.000791016 Jy ! Component: 1900 - total flux cleaned = -0.000791021 Jy ! Component: 1950 - total flux cleaned = -0.000790762 Jy ! Component: 2000 - total flux cleaned = -0.000753723 Jy ! Total flux subtracted in 2048 components = -0.000717109 Jy ! Clean residual min=-0.002610 max=0.002529 Jy/beam ! Clean residual mean=0.000008 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 1.94168 Jy keep ! Adding 144 model components to the UV plane model. ! The established model now contains 317 components and 1.94168 Jy ![Exited script file: muppet] wmap "J2246-1206_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.787 x 9.168 at -2.125 degrees (North through East) ! Clean map min=-0.0053791 max=1.4814 Jy/beam ! Writing clean map to FITS file: J2246-1206_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.48137 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000768915 device "J2246-1206_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J2246-1206_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.155717 0.155717 0.311434 0.622869 1.24574 2.49147 4.98295 9.9659 19.9318 39.8636 79.7272 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.481 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.787 x 9.168 at -2.125 degrees (North through East) ! Clean map min=-0.0053791 max=1.4814 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2246-1206_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J2246-1206_S_2009_04_21_pus_map.gif/vgif' mapplot cln