! Started logfile: J1924-2914_S_2009_04_21_pus_uvs.log on Mon Jan 24 23:15:34 2011 obs J1924-2914_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1924-2914_S_2009_04_21_pus_uva.fits ! AN table 1: 19 integrations on 120 of 120 possible baselines. ! AN table 2: 12 integrations on 120 of 120 possible baselines. ! AN table 3: 69 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.122 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 1868 lines of history. ! ! Reading 5856 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 J1924-2914_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 304 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! A total of 813 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 304 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! A total of 795 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 304 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! A total of 792 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 304 telescope corrections were flagged in sub-array 1. ! A total of 100 telescope corrections were flagged in sub-array 2. ! A total of 792 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=5.031116Jy sigma=0.039763 ! Fit after self-cal, rms=4.981751Jy sigma=0.038773 ! 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=2.332 mas, bmaj=6.943 mas, bpa=0.405 degrees ! Estimated noise=1993.5 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 = 3.94855 Jy ! Component: 100 - total flux cleaned = 5.03136 Jy ! Total flux subtracted in 100 components = 5.03136 Jy ! Clean residual min=-0.252809 max=0.602715 Jy/beam ! Clean residual mean=-0.000200 rms=0.090208 Jy/beam ! Combined flux in latest and established models = 5.03136 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 5.03136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.784865Jy sigma=0.014267 ! Fit after self-cal, rms=1.782232Jy sigma=0.014258 ! Inverting map ! Added new window around map position (3, 9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.675995 Jy ! Component: 100 - total flux cleaned = 1.14235 Jy ! Total flux subtracted in 100 components = 1.14235 Jy ! Clean residual min=-0.186073 max=0.391823 Jy/beam ! Clean residual mean=-0.000323 rms=0.060483 Jy/beam ! Combined flux in latest and established models = 6.17371 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 48 components and 6.17371 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.199939Jy sigma=0.009448 ! Fit after self-cal, rms=1.184107Jy sigma=0.009368 ! 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=2.842 mas, bmaj=8.314 mas, bpa=-1.323 degrees ! Estimated noise=1300.4 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 = 0.702274 Jy ! Component: 100 - total flux cleaned = 1.09162 Jy ! Component: 150 - total flux cleaned = 1.32207 Jy ! Component: 200 - total flux cleaned = 1.46199 Jy ! Total flux subtracted in 200 components = 1.46199 Jy ! Clean residual min=-0.125096 max=0.240904 Jy/beam ! Clean residual mean=0.002556 rms=0.042976 Jy/beam ! Combined flux in latest and established models = 7.6357 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 93 components and 7.6357 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.728354Jy sigma=0.005397 ! Fit after self-cal, rms=0.699136Jy sigma=0.005218 ! Inverting map ! Added new window around map position (9, 4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.252339 Jy ! Component: 100 - total flux cleaned = 0.372714 Jy ! Component: 150 - total flux cleaned = 0.424847 Jy ! Component: 200 - total flux cleaned = 0.446163 Jy ! Total flux subtracted in 200 components = 0.446163 Jy ! Clean residual min=-0.110213 max=0.151604 Jy/beam ! Clean residual mean=0.000185 rms=0.027914 Jy/beam ! Combined flux in latest and established models = 8.08186 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 141 components and 8.08186 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.605233Jy sigma=0.004556 ! Fit after self-cal, rms=0.585454Jy sigma=0.004424 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* 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* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HN 1.08 KB 1.00* ! KK 1.00* KP 0.98 LA 1.04 MK 1.00* ! NL 1.12 NY 1.00* OV 0.99 PT 1.03 ! SC 0.93 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 57 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.99 HN 1.00* KB 1.00* ! KK 1.08 KP 1.01 LA 1.04 MK 0.99 ! NL 1.09 NY 1.00* OV 0.95 PT 1.02 ! SC 1.03 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HN 1.09 KB 1.00* ! KK 1.00* KP 1.03 LA 0.99 MK 1.00* ! NL 1.12 NY 1.00* OV 1.02 PT 1.02 ! SC 1.05 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.00 HN 1.00* KB 1.00* ! KK 1.01 KP 1.00 LA 0.98 MK 0.99 ! NL 1.09 NY 1.00* OV 0.97 PT 1.02 ! SC 1.07 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 HN 1.05 KB 1.00* ! KK 1.00* KP 1.01 LA 1.01 MK 1.00* ! NL 1.08 NY 1.00* OV 1.05 PT 1.05 ! SC 0.95 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.99 HN 1.00* KB 1.00* ! KK 1.01 KP 0.99 LA 1.00 MK 0.95 ! NL 1.07 NY 1.00* OV 1.00 PT 1.05 ! SC 0.96 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 HN 1.07 KB 1.00* ! KK 1.00* KP 1.01 LA 1.01 MK 1.00* ! NL 1.07 NY 1.00* OV 0.86 PT 0.92 ! SC 0.97 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 0.99 HN 1.00* KB 1.00* ! KK 0.99 KP 0.99 LA 0.99 MK 0.95 ! NL 1.06 NY 1.00* OV 0.83 PT 0.92 ! SC 0.98 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.585454Jy sigma=0.004424 ! Fit after self-cal, rms=0.390964Jy sigma=0.002905 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.909 mas, bmaj=8.308 mas, bpa=-1.109 degrees ! Estimated noise=1343.21 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 = 0.0498651 Jy ! Component: 100 - total flux cleaned = 0.0609788 Jy ! Component: 150 - total flux cleaned = 0.0657105 Jy ! Component: 200 - total flux cleaned = 0.0677428 Jy ! Total flux subtracted in 200 components = 0.0677428 Jy ! Clean residual min=-0.056289 max=0.040325 Jy/beam ! Clean residual mean=0.000425 rms=0.010297 Jy/beam ! Combined flux in latest and established models = 8.1496 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 162 components and 8.1496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.376279Jy sigma=0.002817 ! Fit after self-cal, rms=0.373235Jy sigma=0.002799 ! 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=0.373235Jy sigma=0.002799 ! Fit after self-cal, rms=0.373083Jy sigma=0.002794 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.909 mas, bmaj=8.308 mas, bpa=-1.102 degrees ! Estimated noise=1343.73 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.021572 Jy ! Component: 100 - total flux cleaned = 0.0270613 Jy ! Component: 150 - total flux cleaned = 0.0287658 Jy ! Component: 200 - total flux cleaned = 0.0287675 Jy ! Total flux subtracted in 200 components = 0.0287675 Jy ! Clean residual min=-0.049006 max=0.037409 Jy/beam ! Clean residual mean=0.000499 rms=0.009132 Jy/beam ! Combined flux in latest and established models = 8.17837 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 168 components and 8.17837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.366120Jy sigma=0.002754 ! Fit after self-cal, rms=0.364501Jy sigma=0.002746 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 = 0.00612017 Jy ! Component: 100 - total flux cleaned = 0.00773878 Jy ! Component: 150 - total flux cleaned = 0.00914365 Jy ! Component: 200 - total flux cleaned = 0.00914053 Jy ! Total flux subtracted in 200 components = 0.00914053 Jy ! Clean residual min=-0.047372 max=0.034980 Jy/beam ! Clean residual mean=0.000444 rms=0.008696 Jy/beam ! Combined flux in latest and established models = 8.18751 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 177 components and 8.18751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.360749Jy sigma=0.002725 ! Fit after self-cal, rms=0.359974Jy sigma=0.002721 ! 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=0.359974Jy sigma=0.002721 ! Fit after self-cal, rms=0.270313Jy sigma=0.001902 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.91 mas, bmaj=8.306 mas, bpa=-1.052 degrees ! Estimated noise=1343.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00811044 Jy ! Component: 100 - total flux cleaned = 0.00940294 Jy ! Component: 150 - total flux cleaned = 0.0111182 Jy ! Component: 200 - total flux cleaned = 0.0121636 Jy ! Total flux subtracted in 200 components = 0.0121636 Jy ! Clean residual min=-0.037975 max=0.019449 Jy/beam ! Clean residual mean=-0.000030 rms=0.005646 Jy/beam ! Combined flux in latest and established models = 8.19967 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 191 components and 8.19967 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266780Jy sigma=0.001883 ! Fit after self-cal, rms=0.266146Jy sigma=0.001880 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 = 0.00277633 Jy ! Component: 100 - total flux cleaned = 0.00272722 Jy ! Component: 150 - total flux cleaned = 0.00320871 Jy ! Component: 200 - total flux cleaned = 0.00364653 Jy ! Total flux subtracted in 200 components = 0.00364653 Jy ! Clean residual min=-0.037691 max=0.018355 Jy/beam ! Clean residual mean=-0.000051 rms=0.005394 Jy/beam ! Combined flux in latest and established models = 8.20332 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 199 components and 8.20332 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263786Jy sigma=0.001869 ! Fit after self-cal, rms=0.263311Jy sigma=0.001866 ! 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=0.263311Jy sigma=0.001866 ! Fit after self-cal, rms=0.263126Jy sigma=0.001865 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.339 mas, bmaj=20 mas, bpa=2.936 degrees ! Estimated noise=1709.14 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000811664 Jy ! Component: 100 - total flux cleaned = 0.000207922 Jy ! Component: 150 - total flux cleaned = 0.00148829 Jy ! Component: 200 - total flux cleaned = 0.00220438 Jy ! Total flux subtracted in 200 components = 0.00220438 Jy ! Clean residual min=-0.022062 max=0.014553 Jy/beam ! Clean residual mean=-0.000161 rms=0.005440 Jy/beam ! Combined flux in latest and established models = 8.20553 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 219 components and 8.20553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261534Jy sigma=0.001857 ! Fit after self-cal, rms=0.260628Jy sigma=0.001853 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 = -0.000950256 Jy ! Component: 100 - total flux cleaned = -0.000546558 Jy ! Component: 150 - total flux cleaned = 0.000168933 Jy ! Component: 200 - total flux cleaned = 0.000482911 Jy ! Total flux subtracted in 200 components = 0.000482911 Jy ! Clean residual min=-0.022274 max=0.013995 Jy/beam ! Clean residual mean=-0.000168 rms=0.005342 Jy/beam ! Combined flux in latest and established models = 8.20601 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 219 components and 8.20601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259684Jy sigma=0.001850 ! Fit after self-cal, rms=0.258988Jy sigma=0.001846 ! 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=2.911 mas, bmaj=8.307 mas, bpa=-1.043 degrees ! Estimated noise=1343.68 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.911 x 8.307 at -1.043 degrees (North through East) ! Clean map min=-0.032782 max=5.0244 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=0.258988Jy sigma=0.001846 ! Fit after self-cal, rms=0.201235Jy sigma=0.001313 ! Inverting map and beam ! Estimated beam: bmin=2.914 mas, bmaj=8.317 mas, bpa=-1.059 degrees ! Estimated noise=1344.81 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126527 Jy ! Component: 100 - total flux cleaned = 0.00125609 Jy ! Component: 150 - total flux cleaned = 0.000436835 Jy ! Component: 200 - total flux cleaned = 8.40784e-05 Jy ! Total flux subtracted in 200 components = 8.40784e-05 Jy ! Clean residual min=-0.031639 max=0.016096 Jy/beam ! Clean residual mean=-0.000071 rms=0.004664 Jy/beam ! Combined flux in latest and established models = 8.20609 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 222 components and 8.20609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199178Jy sigma=0.001300 ! Fit after self-cal, rms=0.198928Jy sigma=0.001299 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000605063 Jy ! Component: 100 - total flux cleaned = 0.000599057 Jy ! Component: 150 - total flux cleaned = 0.000591925 Jy ! Component: 200 - total flux cleaned = 0.000265697 Jy ! Total flux subtracted in 200 components = 0.000265697 Jy ! Clean residual min=-0.030198 max=0.015432 Jy/beam ! Clean residual mean=-0.000072 rms=0.004538 Jy/beam ! Combined flux in latest and established models = 8.20636 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 225 components and 8.20636 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197550Jy sigma=0.001291 ! Fit after self-cal, rms=0.197338Jy sigma=0.001290 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197338Jy sigma=0.001290 ! Fit after self-cal, rms=0.197181Jy sigma=0.001290 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=2.387 mas, bmaj=6.786 mas, bpa=0.6698 degrees ! Estimated noise=2032.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.06638 Jy ! Component: 100 - total flux cleaned = 5.23302 Jy ! Component: 150 - total flux cleaned = 5.93492 Jy ! Component: 200 - total flux cleaned = 6.41776 Jy ! Total flux subtracted in 200 components = 6.41776 Jy ! Clean residual min=-0.105876 max=0.271012 Jy/beam ! Clean residual mean=-0.000657 rms=0.048511 Jy/beam ! Combined flux in latest and established models = 6.41776 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 54 model components to the UV plane model. ! The established model now contains 54 components and 6.41776 Jy ! Inverting map and beam ! Estimated beam: bmin=2.914 mas, bmaj=8.319 mas, bpa=-1.067 degrees ! Estimated noise=1344.7 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 = 0.641697 Jy ! Component: 100 - total flux cleaned = 1.0135 Jy ! Component: 150 - total flux cleaned = 1.24976 Jy ! Component: 200 - total flux cleaned = 1.40567 Jy ! Total flux subtracted in 200 components = 1.40567 Jy ! Clean residual min=-0.031386 max=0.086087 Jy/beam ! Clean residual mean=0.002165 rms=0.019571 Jy/beam ! Combined flux in latest and established models = 7.82343 Jy ! Adding 106 model components to the UV plane model. ! The established model now contains 147 components and 7.82343 Jy ! Inverting map ! Added new window around map position (3.5, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.106414 Jy ! Component: 100 - total flux cleaned = 0.179874 Jy ! Component: 150 - total flux cleaned = 0.231148 Jy ! Component: 200 - total flux cleaned = 0.267578 Jy ! Total flux subtracted in 200 components = 0.267578 Jy ! Clean residual min=-0.020179 max=0.030837 Jy/beam ! Clean residual mean=0.000606 rms=0.006419 Jy/beam ! Combined flux in latest and established models = 8.09101 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 202 components and 8.09101 Jy ! Inverting map ! Added new window around map position (-4, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0320459 Jy ! Component: 100 - total flux cleaned = 0.051773 Jy ! Component: 150 - total flux cleaned = 0.0609869 Jy ! Component: 200 - total flux cleaned = 0.0676066 Jy ! Total flux subtracted in 200 components = 0.0676066 Jy ! Clean residual min=-0.019238 max=0.015727 Jy/beam ! Clean residual mean=0.000217 rms=0.004327 Jy/beam ! Combined flux in latest and established models = 8.15861 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 230 components and 8.15861 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=8.34 mas, bmaj=20.01 mas, bpa=2.934 degrees ! Estimated noise=1708.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.015494 Jy ! Component: 100 - total flux cleaned = 0.0186987 Jy ! Component: 150 - total flux cleaned = 0.0195511 Jy ! Component: 200 - total flux cleaned = 0.020282 Jy ! Total flux subtracted in 200 components = 0.020282 Jy ! Clean residual min=-0.014113 max=0.012351 Jy/beam ! Clean residual mean=0.000197 rms=0.004797 Jy/beam ! Combined flux in latest and established models = 8.17889 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 = 0.000475644 Jy ! Component: 100 - total flux cleaned = 0.00112979 Jy ! Component: 150 - total flux cleaned = 0.00153882 Jy ! Component: 200 - total flux cleaned = 0.00211775 Jy ! Total flux subtracted in 200 components = 0.00211775 Jy ! Clean residual min=-0.014080 max=0.011862 Jy/beam ! Clean residual mean=0.000172 rms=0.004626 Jy/beam ! Combined flux in latest and established models = 8.18101 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 253 components and 8.18101 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.914 mas, bmaj=8.319 mas, bpa=-1.067 degrees ! Estimated noise=1344.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00480214 Jy ! Component: 100 - total flux cleaned = -0.00436624 Jy ! Component: 150 - total flux cleaned = -0.00398793 Jy ! Component: 200 - total flux cleaned = -0.00293314 Jy ! Total flux subtracted in 200 components = -0.00293314 Jy ! Clean residual min=-0.013760 max=0.013989 Jy/beam ! Clean residual mean=0.000107 rms=0.003644 Jy/beam ! Combined flux in latest and established models = 8.17808 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 266 components and 8.17808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190055Jy sigma=0.001245 ! Fit after self-cal, rms=0.188815Jy sigma=0.001238 wmodel J1924-2914_S_2009_04_21_pus_map.mod ! Writing 266 model components to file: J1924-2914_S_2009_04_21_pus_map.mod wobs J1924-2914_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1924-2914_S_2009_04_21_pus_uvs.fits wwins J1924-2914_S_2009_04_21_pus_map.win ! wwins: Wrote 5 windows to J1924-2914_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 = 0.000909699 Jy ! Component: 100 - total flux cleaned = 0.00230263 Jy ! Component: 150 - total flux cleaned = 0.00295037 Jy ! Component: 200 - total flux cleaned = 0.00375992 Jy ! Component: 250 - total flux cleaned = 0.00375407 Jy ! Component: 300 - total flux cleaned = 0.00394212 Jy ! Component: 350 - total flux cleaned = 0.00467054 Jy ! Component: 400 - total flux cleaned = 0.00554264 Jy ! Component: 450 - total flux cleaned = 0.0057086 Jy ! Component: 500 - total flux cleaned = 0.00587223 Jy ! Component: 550 - total flux cleaned = 0.00635016 Jy ! Component: 600 - total flux cleaned = 0.0065039 Jy ! Component: 650 - total flux cleaned = 0.00665632 Jy ! Component: 700 - total flux cleaned = 0.00680636 Jy ! Component: 750 - total flux cleaned = 0.00724823 Jy ! Component: 800 - total flux cleaned = 0.00724747 Jy ! Component: 850 - total flux cleaned = 0.00767602 Jy ! Component: 900 - total flux cleaned = 0.00781772 Jy ! Component: 950 - total flux cleaned = 0.00809559 Jy ! Component: 1000 - total flux cleaned = 0.00823216 Jy ! Component: 1050 - total flux cleaned = 0.00850262 Jy ! Component: 1100 - total flux cleaned = 0.00863617 Jy ! Component: 1150 - total flux cleaned = 0.00902926 Jy ! Component: 1200 - total flux cleaned = 0.00915886 Jy ! Component: 1250 - total flux cleaned = 0.00953998 Jy ! Component: 1300 - total flux cleaned = 0.00978978 Jy ! Component: 1350 - total flux cleaned = 0.00954512 Jy ! Component: 1400 - total flux cleaned = 0.00966741 Jy ! Component: 1450 - total flux cleaned = 0.00978774 Jy ! Component: 1500 - total flux cleaned = 0.00966874 Jy ! Component: 1550 - total flux cleaned = 0.00955175 Jy ! Component: 1600 - total flux cleaned = 0.00966594 Jy ! Component: 1650 - total flux cleaned = 0.00955087 Jy ! Component: 1700 - total flux cleaned = 0.00966315 Jy ! Component: 1750 - total flux cleaned = 0.0094407 Jy ! Component: 1800 - total flux cleaned = 0.00954777 Jy ! Component: 1850 - total flux cleaned = 0.00933051 Jy ! Component: 1900 - total flux cleaned = 0.00933135 Jy ! Component: 1950 - total flux cleaned = 0.00933218 Jy ! Component: 2000 - total flux cleaned = 0.00933283 Jy ! Total flux subtracted in 2048 components = 0.00902232 Jy ! Clean residual min=-0.006390 max=0.006276 Jy/beam ! Clean residual mean=0.000017 rms=0.002117 Jy/beam ! Combined flux in latest and established models = 8.1871 Jy keep ! Adding 115 model components to the UV plane model. ! The established model now contains 379 components and 8.18711 Jy ![Exited script file: muppet] wmap "J1924-2914_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.914 x 8.319 at -1.067 degrees (North through East) ! Clean map min=-0.016997 max=5.0473 Jy/beam ! Writing clean map to FITS file: J1924-2914_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 5.04731 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00211075 device "J1924-2914_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.125458 0.125458 0.250916 0.501831 1.00366 2.00732 4.01465 8.0293 16.0586 32.1172 64.2344 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0063 print "peak=",int(1000*peak_flux)/1000 ! peak= 5.047 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.914 x 8.319 at -1.067 degrees (North through East) ! Clean map min=-0.016997 max=5.0473 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_S_2009_04_21_pus_map.gif/vgif' mapplot cln