! Started logfile: J1427-4206_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:44:27 2011 obs J1427-4206_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1427-4206_X_2009_04_21_pus_uva.fits ! AN table 1: 24 integrations on 120 of 120 possible baselines. ! AN table 2: 64 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0974432 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1427-4206 ! ! 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 4116 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 J1427-4206_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 245 telescope corrections were flagged in sub-array 1. ! A total of 802 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 245 telescope corrections were flagged in sub-array 1. ! A total of 802 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 245 telescope corrections were flagged in sub-array 1. ! A total of 802 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 245 telescope corrections were flagged in sub-array 1. ! A total of 802 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.830110Jy sigma=0.005329 ! Fit after self-cal, rms=0.444662Jy sigma=0.002773 ! 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 ! Your choice of large map pixels excluded 0.5% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.6102 mas, bmaj=1.953 mas, bpa=-2.863 degrees ! Estimated noise=2571.46 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 = 0.610508 Jy ! Component: 100 - total flux cleaned = 0.820085 Jy ! Total flux subtracted in 100 components = 0.820085 Jy ! Clean residual min=-0.048431 max=0.117974 Jy/beam ! Clean residual mean=0.000466 rms=0.017741 Jy/beam ! Combined flux in latest and established models = 0.820085 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.820085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.435471Jy sigma=0.002749 ! Fit after self-cal, rms=0.435288Jy sigma=0.002748 ! Inverting map ! Your choice of large map pixels excluded 0.5% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Added new window around map position (0.6, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.135138 Jy ! Component: 100 - total flux cleaned = 0.224035 Jy ! Total flux subtracted in 100 components = 0.224035 Jy ! Clean residual min=-0.046088 max=0.071533 Jy/beam ! Clean residual mean=0.000517 rms=0.012794 Jy/beam ! Combined flux in latest and established models = 1.04412 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 27 components and 1.04412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.340931Jy sigma=0.002046 ! Fit after self-cal, rms=0.340265Jy sigma=0.002041 ! Inverting map ! Your choice of large map pixels excluded 0.5% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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 ! Your choice of large map pixels excluded 0.5% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.7816 mas, bmaj=2.584 mas, bpa=-6.952 degrees ! Estimated noise=1719.55 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 = 0.127733 Jy ! Component: 100 - total flux cleaned = 0.194581 Jy ! Component: 150 - total flux cleaned = 0.229877 Jy ! Component: 200 - total flux cleaned = 0.248521 Jy ! Total flux subtracted in 200 components = 0.248521 Jy ! Clean residual min=-0.058221 max=0.055187 Jy/beam ! Clean residual mean=0.002052 rms=0.015957 Jy/beam ! Combined flux in latest and established models = 1.29264 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 41 components and 1.29264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292437Jy sigma=0.001680 ! Fit after self-cal, rms=0.290576Jy sigma=0.001667 ! Inverting map ! Your choice of large map pixels excluded 0.5% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.81 HN 1.00* KB 1.00* ! KK 1.00* KP 0.92 LA 1.09 MK 1.00* ! NL 1.25 NY 1.00* OV 1.00* PT 1.07 ! SC 0.98 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.82 HN 1.00* KB 1.00* ! KK 1.14 KP 0.91 LA 1.10 MK 0.97 ! NL 1.35 NY 1.00* OV 1.01 PT 1.01 ! SC 0.95 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.83 HN 1.00* KB 1.00* ! KK 1.00* KP 0.87 LA 1.07 MK 1.00* ! NL 1.21 NY 1.00* OV 1.00* PT 1.11 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.84 HN 1.00* KB 1.00* ! KK 1.14 KP 0.87 LA 1.07 MK 0.96 ! NL 1.30 NY 1.00* OV 1.01 PT 1.04 ! SC 0.94 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.83 HN 1.00* KB 1.00* ! KK 1.00* KP 0.81 LA 1.10 MK 1.00* ! NL 1.24 NY 1.00* OV 1.00* PT 1.13 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.84 HN 1.00* KB 1.00* ! KK 1.17 KP 0.79 LA 1.12 MK 0.96 ! NL 1.35 NY 1.00* OV 1.03 PT 1.07 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.85 HN 1.00* KB 1.00* ! KK 1.00* KP 0.85 LA 1.10 MK 1.00* ! NL 1.26 NY 1.00* OV 1.00* PT 1.13 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.87 HN 1.00* KB 1.00* ! KK 1.13 KP 0.82 LA 1.12 MK 0.98 ! NL 1.35 NY 1.00* OV 1.06 PT 1.05 ! SC 0.97 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.290576Jy sigma=0.001667 ! Fit after self-cal, rms=0.233614Jy sigma=0.001205 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.8043 mas, bmaj=2.749 mas, bpa=-8.473 degrees ! Estimated noise=1753.81 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 = -0.00392169 Jy ! Component: 100 - total flux cleaned = -0.00418506 Jy ! Component: 150 - total flux cleaned = -0.00419174 Jy ! Component: 200 - total flux cleaned = -0.00441326 Jy ! Total flux subtracted in 200 components = -0.00441326 Jy ! Clean residual min=-0.012265 max=0.015743 Jy/beam ! Clean residual mean=0.000563 rms=0.003927 Jy/beam ! Combined flux in latest and established models = 1.28823 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 45 components and 1.28823 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232837Jy sigma=0.001201 ! Fit after self-cal, rms=0.233353Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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=0.233353Jy sigma=0.001200 ! Fit after self-cal, rms=0.233640Jy sigma=0.001197 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.8044 mas, bmaj=2.747 mas, bpa=-8.401 degrees ! Estimated noise=1752.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00199158 Jy ! Component: 100 - total flux cleaned = -0.00200011 Jy ! Component: 150 - total flux cleaned = -0.00200811 Jy ! Component: 200 - total flux cleaned = -0.00202076 Jy ! Total flux subtracted in 200 components = -0.00202076 Jy ! Clean residual min=-0.011493 max=0.014950 Jy/beam ! Clean residual mean=0.000548 rms=0.003778 Jy/beam ! Combined flux in latest and established models = 1.28621 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 45 components and 1.28621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233175Jy sigma=0.001195 ! Fit after self-cal, rms=0.233205Jy sigma=0.001195 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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 = -1.59788e-05 Jy ! Component: 100 - total flux cleaned = -0.000183848 Jy ! Component: 150 - total flux cleaned = -0.000338189 Jy ! Component: 200 - total flux cleaned = -0.000474496 Jy ! Total flux subtracted in 200 components = -0.000474496 Jy ! Clean residual min=-0.011257 max=0.014261 Jy/beam ! Clean residual mean=0.000548 rms=0.003741 Jy/beam ! Combined flux in latest and established models = 1.28573 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 1.28573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232919Jy sigma=0.001193 ! Fit after self-cal, rms=0.232942Jy sigma=0.001193 ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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=0.232942Jy sigma=0.001193 ! Fit after self-cal, rms=0.232211Jy sigma=0.001186 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.8043 mas, bmaj=2.744 mas, bpa=-8.298 degrees ! Estimated noise=1751.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00171275 Jy ! Component: 100 - total flux cleaned = -0.00170379 Jy ! Component: 150 - total flux cleaned = -0.00185837 Jy ! Component: 200 - total flux cleaned = -0.00199826 Jy ! Total flux subtracted in 200 components = -0.00199826 Jy ! Clean residual min=-0.010367 max=0.014222 Jy/beam ! Clean residual mean=0.000503 rms=0.003510 Jy/beam ! Combined flux in latest and established models = 1.28373 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 48 components and 1.28373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231921Jy sigma=0.001185 ! Fit after self-cal, rms=0.231962Jy sigma=0.001185 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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 = -0.000191895 Jy ! Component: 100 - total flux cleaned = -0.000327004 Jy ! Component: 150 - total flux cleaned = -0.000457094 Jy ! Component: 200 - total flux cleaned = -0.000576722 Jy ! Total flux subtracted in 200 components = -0.000576722 Jy ! Clean residual min=-0.010273 max=0.013841 Jy/beam ! Clean residual mean=0.000503 rms=0.003480 Jy/beam ! Combined flux in latest and established models = 1.28316 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 48 components and 1.28316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231756Jy sigma=0.001184 ! Fit after self-cal, rms=0.231779Jy sigma=0.001184 ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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=0.231779Jy sigma=0.001184 ! Fit after self-cal, rms=0.231953Jy sigma=0.001184 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=2.684 mas, bmaj=9.65 mas, bpa=-4.473 degrees ! Estimated noise=2248.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000126961 Jy ! Component: 100 - total flux cleaned = -0.00013732 Jy ! Component: 150 - total flux cleaned = -0.000140158 Jy ! Component: 200 - total flux cleaned = -0.000210334 Jy ! Total flux subtracted in 200 components = -0.000210334 Jy ! Clean residual min=-0.011391 max=0.016209 Jy/beam ! Clean residual mean=0.000991 rms=0.005654 Jy/beam ! Combined flux in latest and established models = 1.28295 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 51 components and 1.28295 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232005Jy sigma=0.001184 ! Fit after self-cal, rms=0.231968Jy sigma=0.001184 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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 = 0.000239875 Jy ! Component: 100 - total flux cleaned = 0.000230221 Jy ! Component: 150 - total flux cleaned = 0.000225657 Jy ! Component: 200 - total flux cleaned = 0.000160087 Jy ! Total flux subtracted in 200 components = 0.000160087 Jy ! Clean residual min=-0.011357 max=0.016222 Jy/beam ! Clean residual mean=0.000992 rms=0.005647 Jy/beam ! Combined flux in latest and established models = 1.28311 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 51 components and 1.28311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232042Jy sigma=0.001184 ! Fit after self-cal, rms=0.232006Jy sigma=0.001184 ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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 ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.8044 mas, bmaj=2.742 mas, bpa=-8.231 degrees ! Estimated noise=1750.16 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8044 x 2.742 at -8.231 degrees (North through East) ! Clean map min=-0.01091 max=0.86069 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=0.232006Jy sigma=0.001184 ! Fit after self-cal, rms=0.212622Jy sigma=0.001068 ! Inverting map and beam ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.805 mas, bmaj=2.746 mas, bpa=-8.266 degrees ! Estimated noise=1747.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00214222 Jy ! Component: 100 - total flux cleaned = -0.0022662 Jy ! Component: 150 - total flux cleaned = -0.00226502 Jy ! Component: 200 - total flux cleaned = -0.00238003 Jy ! Total flux subtracted in 200 components = -0.00238003 Jy ! Clean residual min=-0.010471 max=0.013094 Jy/beam ! Clean residual mean=0.000479 rms=0.003392 Jy/beam ! Combined flux in latest and established models = 1.28073 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 55 components and 1.28073 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212419Jy sigma=0.001067 ! Fit after self-cal, rms=0.212436Jy sigma=0.001067 ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000294629 Jy ! Component: 100 - total flux cleaned = -0.000300621 Jy ! Component: 150 - total flux cleaned = -0.000407386 Jy ! Component: 200 - total flux cleaned = -0.000406712 Jy ! Total flux subtracted in 200 components = -0.000406712 Jy ! Clean residual min=-0.010365 max=0.012820 Jy/beam ! Clean residual mean=0.000478 rms=0.003369 Jy/beam ! Combined flux in latest and established models = 1.28032 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 56 components and 1.28032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212290Jy sigma=0.001067 ! Fit after self-cal, rms=0.212305Jy sigma=0.001067 ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212305Jy sigma=0.001067 ! Fit after self-cal, rms=0.212657Jy sigma=0.001066 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 ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.6285 mas, bmaj=2.196 mas, bpa=-6.036 degrees ! Estimated noise=2568.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.632965 Jy ! Component: 100 - total flux cleaned = 0.84986 Jy ! Component: 150 - total flux cleaned = 0.98441 Jy ! Component: 200 - total flux cleaned = 1.07438 Jy ! Total flux subtracted in 200 components = 1.07438 Jy ! Clean residual min=-0.023067 max=0.049733 Jy/beam ! Clean residual mean=0.000211 rms=0.007732 Jy/beam ! Combined flux in latest and established models = 1.07438 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 26 model components to the UV plane model. ! The established model now contains 26 components and 1.07438 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.805 mas, bmaj=2.746 mas, bpa=-8.232 degrees ! Estimated noise=1745.31 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 = 0.10103 Jy ! Component: 100 - total flux cleaned = 0.149712 Jy ! Component: 150 - total flux cleaned = 0.174203 Jy ! Component: 200 - total flux cleaned = 0.186683 Jy ! Total flux subtracted in 200 components = 0.186683 Jy ! Clean residual min=-0.010190 max=0.012604 Jy/beam ! Clean residual mean=0.000437 rms=0.003460 Jy/beam ! Combined flux in latest and established models = 1.26106 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 48 components and 1.26106 Jy ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec 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 ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=2.683 mas, bmaj=9.656 mas, bpa=-4.442 degrees ! Estimated noise=2243.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115943 Jy ! Component: 100 - total flux cleaned = 0.0144318 Jy ! Component: 150 - total flux cleaned = 0.0146381 Jy ! Component: 200 - total flux cleaned = 0.0147366 Jy ! Total flux subtracted in 200 components = 0.0147366 Jy ! Clean residual min=-0.011727 max=0.016795 Jy/beam ! Clean residual mean=0.000935 rms=0.005481 Jy/beam ! Combined flux in latest and established models = 1.2758 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 = 0.000185262 Jy ! Component: 100 - total flux cleaned = 0.000350042 Jy ! Component: 150 - total flux cleaned = 0.000426266 Jy ! Component: 200 - total flux cleaned = 0.000571155 Jy ! Total flux subtracted in 200 components = 0.000571155 Jy ! Clean residual min=-0.011460 max=0.016612 Jy/beam ! Clean residual mean=0.000936 rms=0.005464 Jy/beam ! Combined flux in latest and established models = 1.27637 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 51 components and 1.27637 Jy ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! Estimated beam: bmin=0.805 mas, bmaj=2.746 mas, bpa=-8.232 degrees ! Estimated noise=1745.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00245392 Jy ! Component: 100 - total flux cleaned = -0.00228286 Jy ! Component: 150 - total flux cleaned = -0.00227296 Jy ! Component: 200 - total flux cleaned = -0.00227987 Jy ! Total flux subtracted in 200 components = -0.00227987 Jy ! Clean residual min=-0.009660 max=0.011442 Jy/beam ! Clean residual mean=0.000466 rms=0.003280 Jy/beam ! Combined flux in latest and established models = 1.27409 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 57 components and 1.27409 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212310Jy sigma=0.001065 ! Fit after self-cal, rms=0.212263Jy sigma=0.001064 wmodel J1427-4206_X_2009_04_21_pus_map.mod ! Writing 57 model components to file: J1427-4206_X_2009_04_21_pus_map.mod wobs J1427-4206_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1427-4206_X_2009_04_21_pus_uvs.fits wwins J1427-4206_X_2009_04_21_pus_map.win ! wwins: Wrote 2 windows to J1427-4206_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 ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00491209 Jy ! Component: 100 - total flux cleaned = 0.00776334 Jy ! Component: 150 - total flux cleaned = 0.0107477 Jy ! Component: 200 - total flux cleaned = 0.0135635 Jy ! Component: 250 - total flux cleaned = 0.0157951 Jy ! Component: 300 - total flux cleaned = 0.0176495 Jy ! Component: 350 - total flux cleaned = 0.0192941 Jy ! Component: 400 - total flux cleaned = 0.0203538 Jy ! Component: 450 - total flux cleaned = 0.0213783 Jy ! Component: 500 - total flux cleaned = 0.0222483 Jy ! Component: 550 - total flux cleaned = 0.0235765 Jy ! Component: 600 - total flux cleaned = 0.0246294 Jy ! Component: 650 - total flux cleaned = 0.0255423 Jy ! Component: 700 - total flux cleaned = 0.0266501 Jy ! Component: 750 - total flux cleaned = 0.0275133 Jy ! Component: 800 - total flux cleaned = 0.0285621 Jy ! Component: 850 - total flux cleaned = 0.0291754 Jy ! Component: 900 - total flux cleaned = 0.0299767 Jy ! Component: 950 - total flux cleaned = 0.0304652 Jy ! Component: 1000 - total flux cleaned = 0.0311319 Jy ! Component: 1050 - total flux cleaned = 0.0319726 Jy ! Component: 1100 - total flux cleaned = 0.032702 Jy ! Component: 1150 - total flux cleaned = 0.0331505 Jy ! Component: 1200 - total flux cleaned = 0.0338535 Jy ! Component: 1250 - total flux cleaned = 0.0344551 Jy ! Component: 1300 - total flux cleaned = 0.0351285 Jy ! Component: 1350 - total flux cleaned = 0.0356223 Jy ! Component: 1400 - total flux cleaned = 0.0361894 Jy ! Component: 1450 - total flux cleaned = 0.0367451 Jy ! Component: 1500 - total flux cleaned = 0.0373688 Jy ! Component: 1550 - total flux cleaned = 0.0380595 Jy ! Component: 1600 - total flux cleaned = 0.0387379 Jy ! Component: 1650 - total flux cleaned = 0.0391832 Jy ! Component: 1700 - total flux cleaned = 0.0396226 Jy ! Component: 1750 - total flux cleaned = 0.0399829 Jy ! Component: 1800 - total flux cleaned = 0.0402667 Jy ! Component: 1850 - total flux cleaned = 0.0403359 Jy ! Component: 1900 - total flux cleaned = 0.0404745 Jy ! Component: 1950 - total flux cleaned = 0.0404764 Jy ! Component: 2000 - total flux cleaned = 0.0404766 Jy ! Total flux subtracted in 2048 components = 0.0404773 Jy ! Clean residual min=-0.004020 max=0.004048 Jy/beam ! Clean residual mean=0.000129 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 1.31457 Jy keep ! Adding 158 model components to the UV plane model. ! The established model now contains 215 components and 1.31457 Jy ![Exited script file: muppet] wmap "J1427-4206_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.805 x 2.746 at -8.232 degrees (North through East) ! Clean map min=-0.0057928 max=0.88631 Jy/beam ! Writing clean map to FITS file: J1427-4206_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 0.886311 invert ! Inverting map ! Your choice of large map pixels excluded 0.521% of the data. ! The x-axis pixel size should ideally be below 0.1969 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00135124 device "J1427-4206_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1427-4206_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.457368 0.457368 0.914737 1.82947 3.65895 7.31789 14.6358 29.2716 58.5432 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.004 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.886 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.805 x 2.746 at -8.232 degrees (North through East) ! Clean map min=-0.0057928 max=0.88631 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1427-4206_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1427-4206_X_2009_04_21_pus_map.gif/vgif' mapplot cln