! Started logfile: J1257-3155_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:42:30 2011 obs J1257-3155_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1257-3155_X_2009_04_21_pus_uva.fits ! AN table 1: 35 integrations on 120 of 120 possible baselines. ! AN table 2: 59 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.119681 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1257-3155 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3297 lines of history. ! ! Reading 5400 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1257-3155_X_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 0.200x0.200 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 356 telescope corrections were flagged in sub-array 1. ! A total of 687 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 356 telescope corrections were flagged in sub-array 1. ! A total of 687 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 356 telescope corrections were flagged in sub-array 1. ! A total of 687 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 356 telescope corrections were flagged in sub-array 1. ! A total of 687 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.842818Jy sigma=0.005762 ! Fit after self-cal, rms=0.388550Jy sigma=0.002645 ! 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=0.7345 mas, bmaj=2.622 mas, bpa=6.003 degrees ! Estimated noise=2163.53 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 = 0.728423 Jy ! Component: 100 - total flux cleaned = 0.951779 Jy ! Total flux subtracted in 100 components = 0.951779 Jy ! Clean residual min=-0.045856 max=0.102783 Jy/beam ! Clean residual mean=0.000441 rms=0.015592 Jy/beam ! Combined flux in latest and established models = 0.951779 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.951779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.367920Jy sigma=0.002573 ! Fit after self-cal, rms=0.367869Jy sigma=0.002573 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.122519 Jy ! Component: 100 - total flux cleaned = 0.199066 Jy ! Total flux subtracted in 100 components = 0.199066 Jy ! Clean residual min=-0.039427 max=0.054794 Jy/beam ! Clean residual mean=-0.000097 rms=0.011087 Jy/beam ! Combined flux in latest and established models = 1.15085 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 35 components and 1.15085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.293024Jy sigma=0.001953 ! Fit after self-cal, rms=0.292902Jy sigma=0.001952 ! 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=0.9222 mas, bmaj=3.262 mas, bpa=4.553 degrees ! Estimated noise=1392.95 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 = 0.0906814 Jy ! Component: 100 - total flux cleaned = 0.137228 Jy ! Component: 150 - total flux cleaned = 0.162222 Jy ! Component: 200 - total flux cleaned = 0.176052 Jy ! Total flux subtracted in 200 components = 0.176052 Jy ! Clean residual min=-0.040331 max=0.040224 Jy/beam ! Clean residual mean=-0.002586 rms=0.011557 Jy/beam ! Combined flux in latest and established models = 1.3269 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 55 components and 1.3269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.268078Jy sigma=0.001735 ! Fit after self-cal, rms=0.268023Jy sigma=0.001734 ! 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 1.01 FD 0.85 HN 1.00* KB 1.00* ! KK 1.12 KP 0.92 LA 1.14 MK 0.94 ! NL 1.00* NY 1.00* OV 1.00 PT 1.01 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.83 HN 1.35 KB 1.00* ! KK 1.00* KP 0.92 LA 1.10 MK 1.00* ! NL 1.05 NY 1.00* OV 1.03 PT 1.02 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! 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 0.86 HN 1.00* KB 1.00* ! KK 1.09 KP 0.87 LA 1.11 MK 0.90 ! NL 1.00* NY 1.00* OV 0.97 PT 1.06 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.84 HN 1.38 KB 1.00* ! KK 1.00* KP 0.88 LA 1.09 MK 1.00* ! NL 1.03 NY 1.00* OV 1.01 PT 1.06 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.86 HN 1.00* KB 1.00* ! KK 1.11 KP 0.79 LA 1.17 MK 0.96 ! NL 1.00* NY 1.00* OV 1.01 PT 1.08 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.85 HN 1.40 KB 1.00* ! KK 1.00* KP 0.79 LA 1.13 MK 1.00* ! NL 1.07 NY 1.00* OV 1.02 PT 1.07 ! SC 1.05 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.85 HN 1.00* KB 1.00* ! KK 1.12 KP 0.83 LA 1.15 MK 0.95 ! NL 1.00* NY 1.00* OV 1.01 PT 1.07 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.87 HN 1.39 KB 1.00* ! KK 1.00* KP 0.86 LA 1.13 MK 1.00* ! NL 1.06 NY 1.00* OV 1.01 PT 1.05 ! SC 1.07 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.268023Jy sigma=0.001734 ! Fit after self-cal, rms=0.216863Jy sigma=0.001289 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9912 mas, bmaj=3.784 mas, bpa=1.03 degrees ! Estimated noise=1436.09 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 = -0.00964499 Jy ! Component: 100 - total flux cleaned = -0.0101853 Jy ! Component: 150 - total flux cleaned = -0.0101838 Jy ! Component: 200 - total flux cleaned = -0.00999811 Jy ! Total flux subtracted in 200 components = -0.00999811 Jy ! Clean residual min=-0.019202 max=0.020998 Jy/beam ! Clean residual mean=0.000209 rms=0.004613 Jy/beam ! Combined flux in latest and established models = 1.3169 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 61 components and 1.3169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215834Jy sigma=0.001285 ! Fit after self-cal, rms=0.216250Jy sigma=0.001284 ! 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=0.216250Jy sigma=0.001284 ! Fit after self-cal, rms=0.212321Jy sigma=0.001239 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9917 mas, bmaj=3.782 mas, bpa=1.148 degrees ! Estimated noise=1437.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00694233 Jy ! Component: 100 - total flux cleaned = -0.00758531 Jy ! Component: 150 - total flux cleaned = -0.00792728 Jy ! Component: 200 - total flux cleaned = -0.00807119 Jy ! Total flux subtracted in 200 components = -0.00807119 Jy ! Clean residual min=-0.011512 max=0.021682 Jy/beam ! Clean residual mean=0.000505 rms=0.003575 Jy/beam ! Combined flux in latest and established models = 1.30883 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 67 components and 1.30883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211660Jy sigma=0.001236 ! Fit after self-cal, rms=0.211760Jy sigma=0.001236 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 (5, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.020628 Jy ! Component: 100 - total flux cleaned = 0.0279165 Jy ! Component: 150 - total flux cleaned = 0.0281949 Jy ! Component: 200 - total flux cleaned = 0.0286347 Jy ! Total flux subtracted in 200 components = 0.0286347 Jy ! Clean residual min=-0.009621 max=0.011811 Jy/beam ! Clean residual mean=0.000178 rms=0.002786 Jy/beam ! Combined flux in latest and established models = 1.33746 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 87 components and 1.33746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209803Jy sigma=0.001219 ! Fit after self-cal, rms=0.209525Jy sigma=0.001216 ! Inverting map ! Added new window around map position (2.4, 4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00914891 Jy ! Component: 100 - total flux cleaned = 0.0113318 Jy ! Component: 150 - total flux cleaned = 0.0124611 Jy ! Component: 200 - total flux cleaned = 0.0128542 Jy ! Total flux subtracted in 200 components = 0.0128542 Jy ! Clean residual min=-0.008818 max=0.009362 Jy/beam ! Clean residual mean=0.000050 rms=0.002509 Jy/beam ! Combined flux in latest and established models = 1.35032 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 106 components and 1.35032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208750Jy sigma=0.001210 ! Fit after self-cal, rms=0.208666Jy sigma=0.001209 ! 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=0.208666Jy sigma=0.001209 ! Fit after self-cal, rms=0.209423Jy sigma=0.001201 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9937 mas, bmaj=3.782 mas, bpa=1.241 degrees ! Estimated noise=1441.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00236353 Jy ! Component: 100 - total flux cleaned = 0.0033527 Jy ! Component: 150 - total flux cleaned = 0.00336442 Jy ! Component: 200 - total flux cleaned = 0.00368392 Jy ! Total flux subtracted in 200 components = 0.00368392 Jy ! Clean residual min=-0.007189 max=0.008499 Jy/beam ! Clean residual mean=0.000096 rms=0.002132 Jy/beam ! Combined flux in latest and established models = 1.354 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 118 components and 1.354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208855Jy sigma=0.001197 ! Fit after self-cal, rms=0.208844Jy sigma=0.001197 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 = 0.00251726 Jy ! Component: 100 - total flux cleaned = 0.00325719 Jy ! Component: 150 - total flux cleaned = 0.00364638 Jy ! Component: 200 - total flux cleaned = 0.0038801 Jy ! Total flux subtracted in 200 components = 0.0038801 Jy ! Clean residual min=-0.007322 max=0.008576 Jy/beam ! Clean residual mean=0.000051 rms=0.002071 Jy/beam ! Combined flux in latest and established models = 1.35788 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 136 components and 1.35788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208646Jy sigma=0.001196 ! Fit after self-cal, rms=0.208642Jy sigma=0.001196 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.208642Jy sigma=0.001196 ! Fit after self-cal, rms=0.209123Jy sigma=0.001194 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.41 mas, bmaj=5.877 mas, bpa=5.774 degrees ! Estimated noise=1700.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000907617 Jy ! Component: 100 - total flux cleaned = 0.00123413 Jy ! Component: 150 - total flux cleaned = 0.00160211 Jy ! Component: 200 - total flux cleaned = 0.00180816 Jy ! Total flux subtracted in 200 components = 0.00180816 Jy ! Clean residual min=-0.008659 max=0.009448 Jy/beam ! Clean residual mean=0.000095 rms=0.002451 Jy/beam ! Combined flux in latest and established models = 1.35969 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 149 components and 1.35969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208933Jy sigma=0.001193 ! Fit after self-cal, rms=0.208910Jy sigma=0.001193 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 = 0.00126008 Jy ! Component: 100 - total flux cleaned = 0.00154895 Jy ! Component: 150 - total flux cleaned = 0.00163267 Jy ! Component: 200 - total flux cleaned = 0.00155612 Jy ! Total flux subtracted in 200 components = 0.00155612 Jy ! Clean residual min=-0.008545 max=0.009231 Jy/beam ! Clean residual mean=0.000061 rms=0.002408 Jy/beam ! Combined flux in latest and established models = 1.36125 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 162 components and 1.36125 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208865Jy sigma=0.001193 ! Fit after self-cal, rms=0.208856Jy sigma=0.001193 ! 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=0.9948 mas, bmaj=3.78 mas, bpa=1.325 degrees ! Estimated noise=1442.99 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9948 x 3.78 at 1.325 degrees (North through East) ! Clean map min=-0.0068101 max=1.0271 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=0.208856Jy sigma=0.001193 ! Fit after self-cal, rms=0.199128Jy sigma=0.001077 ! Inverting map and beam ! Estimated beam: bmin=0.9953 mas, bmaj=3.778 mas, bpa=1.39 degrees ! Estimated noise=1442.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.62415e-05 Jy ! Component: 100 - total flux cleaned = 2.9263e-05 Jy ! Component: 150 - total flux cleaned = 0.000140665 Jy ! Component: 200 - total flux cleaned = 0.000143111 Jy ! Total flux subtracted in 200 components = 0.000143111 Jy ! Clean residual min=-0.006822 max=0.007761 Jy/beam ! Clean residual mean=0.000067 rms=0.001805 Jy/beam ! Combined flux in latest and established models = 1.36139 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 172 components and 1.36139 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198968Jy sigma=0.001076 ! Fit after self-cal, rms=0.198950Jy sigma=0.001076 ! Inverting map ! Added new window around map position (12, 14.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00668153 Jy ! Component: 100 - total flux cleaned = 0.00771691 Jy ! Component: 150 - total flux cleaned = 0.00823512 Jy ! Component: 200 - total flux cleaned = 0.00868915 Jy ! Total flux subtracted in 200 components = 0.00868915 Jy ! Clean residual min=-0.007000 max=0.005742 Jy/beam ! Clean residual mean=-0.000052 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 1.37008 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 189 components and 1.37008 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198643Jy sigma=0.001073 ! Fit after self-cal, rms=0.198614Jy sigma=0.001073 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198614Jy sigma=0.001073 ! Fit after self-cal, rms=0.198504Jy sigma=0.001073 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=0.7926 mas, bmaj=3.048 mas, bpa=1.762 degrees ! Estimated noise=2329.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.748668 Jy ! Component: 100 - total flux cleaned = 0.973675 Jy ! Component: 150 - total flux cleaned = 1.08938 Jy ! Component: 200 - total flux cleaned = 1.15912 Jy ! Total flux subtracted in 200 components = 1.15912 Jy ! Clean residual min=-0.015139 max=0.036596 Jy/beam ! Clean residual mean=0.000573 rms=0.005535 Jy/beam ! Combined flux in latest and established models = 1.15912 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 27 model components to the UV plane model. ! The established model now contains 27 components and 1.15912 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9954 mas, bmaj=3.777 mas, bpa=1.405 degrees ! Estimated noise=1442.67 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 = 0.0752572 Jy ! Component: 100 - total flux cleaned = 0.114241 Jy ! Component: 150 - total flux cleaned = 0.138715 Jy ! Component: 200 - total flux cleaned = 0.155273 Jy ! Total flux subtracted in 200 components = 0.155273 Jy ! Clean residual min=-0.009234 max=0.010282 Jy/beam ! Clean residual mean=0.000561 rms=0.002892 Jy/beam ! Combined flux in latest and established models = 1.3144 Jy ! Adding 74 model components to the UV plane model. ! The established model now contains 89 components and 1.3144 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.412 mas, bmaj=5.884 mas, bpa=5.758 degrees ! Estimated noise=1698.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178703 Jy ! Component: 100 - total flux cleaned = 0.029622 Jy ! Component: 150 - total flux cleaned = 0.0380998 Jy ! Component: 200 - total flux cleaned = 0.0443988 Jy ! Total flux subtracted in 200 components = 0.0443988 Jy ! Clean residual min=-0.007870 max=0.005752 Jy/beam ! Clean residual mean=0.000203 rms=0.002148 Jy/beam ! Combined flux in latest and established models = 1.35879 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 = 0.00443707 Jy ! Component: 100 - total flux cleaned = 0.00602559 Jy ! Component: 150 - total flux cleaned = 0.00700402 Jy ! Component: 200 - total flux cleaned = 0.00811652 Jy ! Total flux subtracted in 200 components = 0.00811652 Jy ! Clean residual min=-0.007042 max=0.005688 Jy/beam ! Clean residual mean=0.000036 rms=0.001865 Jy/beam ! Combined flux in latest and established models = 1.36691 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 158 components and 1.36691 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9954 mas, bmaj=3.777 mas, bpa=1.405 degrees ! Estimated noise=1442.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000862631 Jy ! Component: 100 - total flux cleaned = 0.00118529 Jy ! Component: 150 - total flux cleaned = 0.000917744 Jy ! Component: 200 - total flux cleaned = 0.0010429 Jy ! Total flux subtracted in 200 components = 0.0010429 Jy ! Clean residual min=-0.006542 max=0.005990 Jy/beam ! Clean residual mean=0.000023 rms=0.001588 Jy/beam ! Combined flux in latest and established models = 1.36795 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 184 components and 1.36795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198488Jy sigma=0.001073 ! Fit after self-cal, rms=0.198376Jy sigma=0.001072 wmodel J1257-3155_X_2009_04_21_pus_map.mod ! Writing 184 model components to file: J1257-3155_X_2009_04_21_pus_map.mod wobs J1257-3155_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1257-3155_X_2009_04_21_pus_uvs.fits wwins J1257-3155_X_2009_04_21_pus_map.win ! wwins: Wrote 4 windows to J1257-3155_X_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 = -0.00122326 Jy ! Component: 100 - total flux cleaned = -0.000224038 Jy ! Component: 150 - total flux cleaned = 0.000629856 Jy ! Component: 200 - total flux cleaned = 0.00126895 Jy ! Component: 250 - total flux cleaned = 0.00179636 Jy ! Component: 300 - total flux cleaned = 0.00222227 Jy ! Component: 350 - total flux cleaned = 0.00255191 Jy ! Component: 400 - total flux cleaned = 0.00295021 Jy ! Component: 450 - total flux cleaned = 0.00325926 Jy ! Component: 500 - total flux cleaned = 0.0034095 Jy ! Component: 550 - total flux cleaned = 0.00355704 Jy ! Component: 600 - total flux cleaned = 0.00384619 Jy ! Component: 650 - total flux cleaned = 0.00398658 Jy ! Component: 700 - total flux cleaned = 0.00419503 Jy ! Component: 750 - total flux cleaned = 0.0045349 Jy ! Component: 800 - total flux cleaned = 0.00460235 Jy ! Component: 850 - total flux cleaned = 0.00499734 Jy ! Component: 900 - total flux cleaned = 0.00519124 Jy ! Component: 950 - total flux cleaned = 0.00538325 Jy ! Component: 1000 - total flux cleaned = 0.00576031 Jy ! Component: 1050 - total flux cleaned = 0.00582207 Jy ! Component: 1100 - total flux cleaned = 0.006067 Jy ! Component: 1150 - total flux cleaned = 0.00618801 Jy ! Component: 1200 - total flux cleaned = 0.00630626 Jy ! Component: 1250 - total flux cleaned = 0.00636524 Jy ! Component: 1300 - total flux cleaned = 0.00677101 Jy ! Component: 1350 - total flux cleaned = 0.0067702 Jy ! Component: 1400 - total flux cleaned = 0.00694016 Jy ! Component: 1450 - total flux cleaned = 0.00710827 Jy ! Component: 1500 - total flux cleaned = 0.00721881 Jy ! Component: 1550 - total flux cleaned = 0.00727419 Jy ! Component: 1600 - total flux cleaned = 0.00749142 Jy ! Component: 1650 - total flux cleaned = 0.0075985 Jy ! Component: 1700 - total flux cleaned = 0.00786416 Jy ! Component: 1750 - total flux cleaned = 0.00791642 Jy ! Component: 1800 - total flux cleaned = 0.00802014 Jy ! Component: 1850 - total flux cleaned = 0.0080201 Jy ! Component: 1900 - total flux cleaned = 0.00812252 Jy ! Component: 1950 - total flux cleaned = 0.0079707 Jy ! Component: 2000 - total flux cleaned = 0.00807164 Jy ! Total flux subtracted in 2048 components = 0.00807151 Jy ! Clean residual min=-0.002600 max=0.003675 Jy/beam ! Clean residual mean=0.000009 rms=0.001000 Jy/beam ! Combined flux in latest and established models = 1.37603 Jy keep ! Adding 126 model components to the UV plane model. ! The established model now contains 310 components and 1.37603 Jy ![Exited script file: muppet] wmap "J1257-3155_X_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9954 x 3.777 at 1.405 degrees (North through East) ! Clean map min=-0.0055253 max=1.033 Jy/beam ! Writing clean map to FITS file: J1257-3155_X_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 1.03297 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000997175 device "J1257-3155_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1257-3155_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.289604 0.289604 0.579209 1.15842 2.31683 4.63367 9.26734 18.5347 37.0694 74.1387 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.032 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9954 x 3.777 at 1.405 degrees (North through East) ! Clean map min=-0.0055253 max=1.033 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1257-3155_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1257-3155_X_2009_04_21_pus_map.gif/vgif' mapplot cln