! Started logfile: J0922-3959_X_1999_12_20_pus_uvs.log on Fri Dec 14 17:16:58 2007 obs J0922-3959_X_1999_12_20_pus_uva.fits ! Reading UV FITS file: J0922-3959_X_1999_12_20_pus_uva.fits ! AN table 1: 9 integrations on 190 of 190 possible baselines. ! AN table 2: 29 integrations on 190 of 190 possible baselines. ! AN table 3: 16 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0564327 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0922-3959 ! ! 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 2418 lines of history. ! ! Reading 2316 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0922-3959_X_1999_12_20_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 = 256x256 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 180 telescope corrections were flagged in sub-array 1. ! A total of 388 telescope corrections were flagged in sub-array 2. ! A total of 320 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 388 telescope corrections were flagged in sub-array 2. ! A total of 320 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 388 telescope corrections were flagged in sub-array 2. ! A total of 320 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 180 telescope corrections were flagged in sub-array 1. ! A total of 388 telescope corrections were flagged in sub-array 2. ! A total of 320 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.634245Jy sigma=0.005224 ! Fit after self-cal, rms=0.225158Jy sigma=0.002289 ! 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 1.53% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6238 mas, bmaj=1.784 mas, bpa=-0.1159 degrees ! Estimated noise=2256.36 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 = 0.75362 Jy ! Component: 100 - total flux cleaned = 0.969071 Jy ! Total flux subtracted in 100 components = 0.969071 Jy ! Clean residual min=-0.032795 max=0.080412 Jy/beam ! Clean residual mean=0.000006 rms=0.022045 Jy/beam ! Combined flux in latest and established models = 0.969071 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.969071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211676Jy sigma=0.002343 ! Fit after self-cal, rms=0.211713Jy sigma=0.002342 ! Inverting map ! Your choice of large map pixels excluded 1.53% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 1.53% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.7799 mas, bmaj=2.932 mas, bpa=-10.45 degrees ! Estimated noise=1445.36 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 = 0.136667 Jy ! Component: 100 - total flux cleaned = 0.196529 Jy ! Component: 150 - total flux cleaned = 0.223131 Jy ! Component: 200 - total flux cleaned = 0.235239 Jy ! Total flux subtracted in 200 components = 0.235239 Jy ! Clean residual min=-0.013263 max=0.016127 Jy/beam ! Clean residual mean=0.000986 rms=0.005129 Jy/beam ! Combined flux in latest and established models = 1.20431 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 33 components and 1.20431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127593Jy sigma=0.001272 ! Fit after self-cal, rms=0.127603Jy sigma=0.001272 ! Inverting map ! Your choice of large map pixels excluded 1.53% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec 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* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 1.06 KP 1.01 LA 1.01 ! MC 1.00* MK 0.99 NY 1.00* ON 1.00* ! OV 1.01 PT 0.98 SC 1.03 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 GC 1.00* HH 1.00* ! HN 1.00* KK 1.04 KP 0.96 LA 1.00 ! MC 1.00* MK 0.99 NY 1.00* ON 1.00* ! OV 1.02 PT 0.96 SC 0.98 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.03 GC 1.00* HH 1.00* ! HN 1.00* KK 1.03 KP 0.97 LA 1.00 ! MC 1.00* MK 0.99 NY 1.00* ON 1.00* ! OV 1.01 PT 0.97 SC 1.03 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 GC 1.00* HH 1.00* ! HN 1.00* KK 1.02 KP 0.97 LA 1.00 ! MC 1.00* MK 0.95 NY 1.00* ON 1.00* ! OV 1.01 PT 0.96 SC 0.98 TS 1.00* ! WF 1.00* WZ 1.00* GN 1.00* NL 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! ! Fit before self-cal, rms=0.127603Jy sigma=0.001272 ! Fit after self-cal, rms=0.123161Jy sigma=0.001211 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.784 mas, bmaj=2.932 mas, bpa=-10.43 degrees ! Estimated noise=1445.17 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 = 6.48975e-05 Jy ! Component: 100 - total flux cleaned = 2.88785e-05 Jy ! Component: 150 - total flux cleaned = -4.0402e-05 Jy ! Component: 200 - total flux cleaned = -7.37504e-05 Jy ! Total flux subtracted in 200 components = -7.37504e-05 Jy ! Clean residual min=-0.006891 max=0.011823 Jy/beam ! Clean residual mean=0.000387 rms=0.002813 Jy/beam ! Combined flux in latest and established models = 1.20424 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 40 components and 1.20424 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123150Jy sigma=0.001211 ! Fit after self-cal, rms=0.123180Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.123180Jy sigma=0.001211 ! Fit after self-cal, rms=0.123194Jy sigma=0.001211 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.7842 mas, bmaj=2.93 mas, bpa=-10.42 degrees ! Estimated noise=1445.55 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000229049 Jy ! Component: 100 - total flux cleaned = 0.000158531 Jy ! Component: 150 - total flux cleaned = 0.000159572 Jy ! Component: 200 - total flux cleaned = 0.000128091 Jy ! Total flux subtracted in 200 components = 0.000128091 Jy ! Clean residual min=-0.006944 max=0.011757 Jy/beam ! Clean residual mean=0.000386 rms=0.002797 Jy/beam ! Combined flux in latest and established models = 1.20436 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 41 components and 1.20436 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123187Jy sigma=0.001211 ! Fit after self-cal, rms=0.123180Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = 0.000162883 Jy ! Component: 100 - total flux cleaned = 9.98933e-05 Jy ! Component: 150 - total flux cleaned = 4.17223e-05 Jy ! Component: 200 - total flux cleaned = 4.27045e-05 Jy ! Total flux subtracted in 200 components = 4.27045e-05 Jy ! Clean residual min=-0.006917 max=0.011670 Jy/beam ! Clean residual mean=0.000386 rms=0.002788 Jy/beam ! Combined flux in latest and established models = 1.20441 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 41 components and 1.20441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123173Jy sigma=0.001211 ! Fit after self-cal, rms=0.123169Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.123169Jy sigma=0.001211 ! Fit after self-cal, rms=0.123130Jy sigma=0.001211 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.7842 mas, bmaj=2.925 mas, bpa=-10.39 degrees ! Estimated noise=1445.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000311799 Jy ! Component: 100 - total flux cleaned = 0.000278067 Jy ! Component: 150 - total flux cleaned = 0.000247505 Jy ! Component: 200 - total flux cleaned = 0.000247637 Jy ! Total flux subtracted in 200 components = 0.000247637 Jy ! Clean residual min=-0.006964 max=0.011603 Jy/beam ! Clean residual mean=0.000386 rms=0.002774 Jy/beam ! Combined flux in latest and established models = 1.20465 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 1.20465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123122Jy sigma=0.001211 ! Fit after self-cal, rms=0.123117Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = 0.000120142 Jy ! Component: 100 - total flux cleaned = 6.25006e-05 Jy ! Component: 150 - total flux cleaned = 3.45819e-05 Jy ! Component: 200 - total flux cleaned = 3.57278e-05 Jy ! Total flux subtracted in 200 components = 3.57278e-05 Jy ! Clean residual min=-0.006930 max=0.011523 Jy/beam ! Clean residual mean=0.000386 rms=0.002766 Jy/beam ! Combined flux in latest and established models = 1.20469 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 1.20469 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123110Jy sigma=0.001211 ! Fit after self-cal, rms=0.123107Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.123107Jy sigma=0.001211 ! Fit after self-cal, rms=0.123062Jy sigma=0.001210 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=3.209 mas, bmaj=11.58 mas, bpa=3.113 degrees ! Estimated noise=1817.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000919761 Jy ! Component: 100 - total flux cleaned = 0.000927237 Jy ! Component: 150 - total flux cleaned = 0.000929549 Jy ! Component: 200 - total flux cleaned = 0.000930681 Jy ! Total flux subtracted in 200 components = 0.000930681 Jy ! Clean residual min=-0.007156 max=0.010979 Jy/beam ! Clean residual mean=0.000713 rms=0.004036 Jy/beam ! Combined flux in latest and established models = 1.20562 Jy selfcal ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 43 components and 1.20562 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123082Jy sigma=0.001211 ! Fit after self-cal, rms=0.123059Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = 7.70186e-05 Jy ! Component: 100 - total flux cleaned = 7.57374e-05 Jy ! Component: 150 - total flux cleaned = 7.4992e-05 Jy ! Component: 200 - total flux cleaned = 7.42612e-05 Jy ! Total flux subtracted in 200 components = 7.42612e-05 Jy ! Clean residual min=-0.007116 max=0.010931 Jy/beam ! Clean residual mean=0.000710 rms=0.004024 Jy/beam ! Combined flux in latest and established models = 1.2057 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 43 components and 1.2057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123101Jy sigma=0.001211 ! Fit after self-cal, rms=0.123074Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.7842 mas, bmaj=2.92 mas, bpa=-10.37 degrees ! Estimated noise=1445.9 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7842 x 2.92 at -10.37 degrees (North through East) ! Clean map min=-0.0063644 max=1.0565 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=0.123074Jy sigma=0.001211 ! Fit after self-cal, rms=0.110641Jy sigma=0.001057 ! Inverting map and beam ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.7845 mas, bmaj=2.917 mas, bpa=-10.37 degrees ! Estimated noise=1448.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00143777 Jy ! Component: 100 - total flux cleaned = 0.00147759 Jy ! Component: 150 - total flux cleaned = 0.00158291 Jy ! Component: 200 - total flux cleaned = 0.00167484 Jy ! Total flux subtracted in 200 components = 0.00167484 Jy ! Clean residual min=-0.007493 max=0.011723 Jy/beam ! Clean residual mean=0.000446 rms=0.002754 Jy/beam ! Combined flux in latest and established models = 1.20737 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 44 components and 1.20737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.110586Jy sigma=0.001056 ! Fit after self-cal, rms=0.110584Jy sigma=0.001056 ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Added new window around map position (-4.4, 11.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00924753 Jy ! Component: 100 - total flux cleaned = 0.00930569 Jy ! Component: 150 - total flux cleaned = 0.0094755 Jy ! Component: 200 - total flux cleaned = 0.00961929 Jy ! Total flux subtracted in 200 components = 0.00961929 Jy ! Clean residual min=-0.006263 max=0.004378 Jy/beam ! Clean residual mean=0.000184 rms=0.001647 Jy/beam ! Combined flux in latest and established models = 1.21699 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 58 components and 1.21699 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109800Jy sigma=0.001048 ! Fit after self-cal, rms=0.109785Jy sigma=0.001048 ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109785Jy sigma=0.001048 ! Fit after self-cal, rms=0.109489Jy sigma=0.001047 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 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6254 mas, bmaj=1.778 mas, bpa=0.07982 degrees ! Estimated noise=2259.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.754951 Jy ! Component: 100 - total flux cleaned = 0.972037 Jy ! Component: 150 - total flux cleaned = 1.06077 Jy ! Component: 200 - total flux cleaned = 1.11458 Jy ! Total flux subtracted in 200 components = 1.11458 Jy ! Clean residual min=-0.015102 max=0.029167 Jy/beam ! Clean residual mean=0.000106 rms=0.008582 Jy/beam ! Combined flux in latest and established models = 1.11458 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.11458 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.7836 mas, bmaj=2.914 mas, bpa=-10.36 degrees ! Estimated noise=1446.26 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 = 0.05203 Jy ! Component: 100 - total flux cleaned = 0.0749623 Jy ! Component: 150 - total flux cleaned = 0.0877232 Jy ! Component: 200 - total flux cleaned = 0.0953874 Jy ! Total flux subtracted in 200 components = 0.0953874 Jy ! Clean residual min=-0.006308 max=0.006169 Jy/beam ! Clean residual mean=0.000394 rms=0.002140 Jy/beam ! Combined flux in latest and established models = 1.20997 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 37 components and 1.20997 Jy ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=3.207 mas, bmaj=11.56 mas, bpa=3.126 degrees ! Estimated noise=1820.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00646353 Jy ! Component: 100 - total flux cleaned = 0.0083858 Jy ! Component: 150 - total flux cleaned = 0.00892187 Jy ! Component: 200 - total flux cleaned = 0.00924617 Jy ! Total flux subtracted in 200 components = 0.00924617 Jy ! Clean residual min=-0.004544 max=0.004748 Jy/beam ! Clean residual mean=0.000397 rms=0.002090 Jy/beam ! Combined flux in latest and established models = 1.21922 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 = 0.000235586 Jy ! Component: 100 - total flux cleaned = 0.000382617 Jy ! Component: 150 - total flux cleaned = 0.000479208 Jy ! Component: 200 - total flux cleaned = 0.000543152 Jy ! Total flux subtracted in 200 components = 0.000543152 Jy ! Clean residual min=-0.004439 max=0.004831 Jy/beam ! Clean residual mean=0.000370 rms=0.002048 Jy/beam ! Combined flux in latest and established models = 1.21976 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 58 components and 1.21976 Jy ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.7836 mas, bmaj=2.914 mas, bpa=-10.36 degrees ! Estimated noise=1446.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.69994e-05 Jy ! Component: 100 - total flux cleaned = -2.17822e-05 Jy ! Component: 150 - total flux cleaned = -0.000171238 Jy ! Component: 200 - total flux cleaned = -0.000340493 Jy ! Total flux subtracted in 200 components = -0.000340493 Jy ! Clean residual min=-0.005793 max=0.004218 Jy/beam ! Clean residual mean=0.000225 rms=0.001446 Jy/beam ! Combined flux in latest and established models = 1.21942 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 70 components and 1.21942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109368Jy sigma=0.001046 ! Fit after self-cal, rms=0.109363Jy sigma=0.001046 wmodel J0922-3959_X_1999_12_20_pus_map.mod ! Writing 70 model components to file: J0922-3959_X_1999_12_20_pus_map.mod wobs J0922-3959_X_1999_12_20_pus_uvs.fits ! Writing UV FITS file: J0922-3959_X_1999_12_20_pus_uvs.fits wwins J0922-3959_X_1999_12_20_pus_map.win ! wwins: Wrote 2 windows to J0922-3959_X_1999_12_20_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 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00168811 Jy ! Component: 100 - total flux cleaned = -0.00136119 Jy ! Component: 150 - total flux cleaned = -0.00125598 Jy ! Component: 200 - total flux cleaned = -0.0012568 Jy ! Component: 250 - total flux cleaned = -0.0013511 Jy ! Component: 300 - total flux cleaned = -0.0012662 Jy ! Component: 350 - total flux cleaned = -0.00090031 Jy ! Component: 400 - total flux cleaned = -0.000594669 Jy ! Component: 450 - total flux cleaned = -0.000340941 Jy ! Component: 500 - total flux cleaned = -9.91646e-05 Jy ! Component: 550 - total flux cleaned = 9.81588e-05 Jy ! Component: 600 - total flux cleaned = 0.0002878 Jy ! Component: 650 - total flux cleaned = 0.000620229 Jy ! Component: 700 - total flux cleaned = 0.000999917 Jy ! Component: 750 - total flux cleaned = 0.00131148 Jy ! Component: 800 - total flux cleaned = 0.00150464 Jy ! Component: 850 - total flux cleaned = 0.0017192 Jy ! Component: 900 - total flux cleaned = 0.00198024 Jy ! Component: 950 - total flux cleaned = 0.00215816 Jy ! Component: 1000 - total flux cleaned = 0.00238228 Jy ! Total flux subtracted in 1024 components = 0.00250465 Jy ! Clean residual min=-0.001511 max=0.001710 Jy/beam ! Clean residual mean=0.000168 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 1.22192 Jy keep ! Adding 49 model components to the UV plane model. ! The established model now contains 119 components and 1.22192 Jy ![Exited script file: muppet] wmap "J0922-3959_X_1999_12_20_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7836 x 2.914 at -10.36 degrees (North through East) ! Clean map min=-0.0039479 max=1.061 Jy/beam ! Writing clean map to FITS file: J0922-3959_X_1999_12_20_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.06095 invert ! Inverting map ! Your choice of large map pixels excluded 1.54% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000534276 device "J0922-3959_X_1999_12_20_pus\_map.eps/VPS" ! Attempting to open device: 'J0922-3959_X_1999_12_20_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.151074 0.151074 0.302148 0.604296 1.20859 2.41718 4.83437 9.66874 19.3375 38.675 77.3499 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.06 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7836 x 2.914 at -10.36 degrees (North through East) ! Clean map min=-0.0039479 max=1.061 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0922-3959_X_1999_12_20_pus\_map.gif/vgif" ! Attempting to open device: 'J0922-3959_X_1999_12_20_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0922-3959_X_1999_12_20_pus_uvs.log closed on Fri Dec 14 17:17:00 2007