! Started logfile: J2331-3811_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:50:14 2011 obs J2331-3811_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J2331-3811_X_2009_04_21_pus_uva.fits ! AN table 1: 117 integrations on 120 of 120 possible baselines. ! AN table 2: 74 integrations on 120 of 120 possible baselines. ! AN table 3: 34 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.108111 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2331-3811 ! ! 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 11676 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 J2331-3811_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 1490 telescope corrections were flagged in sub-array 1. ! A total of 908 telescope corrections were flagged in sub-array 2. ! A total of 305 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1490 telescope corrections were flagged in sub-array 1. ! A total of 908 telescope corrections were flagged in sub-array 2. ! A total of 305 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1490 telescope corrections were flagged in sub-array 1. ! A total of 908 telescope corrections were flagged in sub-array 2. ! A total of 305 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1490 telescope corrections were flagged in sub-array 1. ! A total of 908 telescope corrections were flagged in sub-array 2. ! A total of 305 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.793346Jy sigma=0.005560 ! Fit after self-cal, rms=0.513816Jy sigma=0.003544 ! 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 1.08% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.5986 mas, bmaj=1.898 mas, bpa=-0.1866 degrees ! Estimated noise=1642.21 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.389257 Jy ! Component: 100 - total flux cleaned = 0.482474 Jy ! Total flux subtracted in 100 components = 0.482474 Jy ! Clean residual min=-0.022202 max=0.036600 Jy/beam ! Clean residual mean=0.000011 rms=0.005969 Jy/beam ! Combined flux in latest and established models = 0.482474 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.482474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219491Jy sigma=0.001451 ! Fit after self-cal, rms=0.219464Jy sigma=0.001451 ! Inverting map ! Your choice of large map pixels excluded 1.08% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0403815 Jy ! Component: 100 - total flux cleaned = 0.0632569 Jy ! Total flux subtracted in 100 components = 0.0632569 Jy ! Clean residual min=-0.020234 max=0.026508 Jy/beam ! Clean residual mean=-0.000069 rms=0.005022 Jy/beam ! Combined flux in latest and established models = 0.545731 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.545731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206216Jy sigma=0.001350 ! Fit after self-cal, rms=0.206202Jy sigma=0.001350 ! Inverting map ! Your choice of large map pixels excluded 1.08% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 1.08% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7491 mas, bmaj=2.213 mas, bpa=-2.34 degrees ! Estimated noise=968.638 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 = 0.0296288 Jy ! Component: 100 - total flux cleaned = 0.0439083 Jy ! Component: 150 - total flux cleaned = 0.0508992 Jy ! Component: 200 - total flux cleaned = 0.0543251 Jy ! Total flux subtracted in 200 components = 0.0543251 Jy ! Clean residual min=-0.023826 max=0.024509 Jy/beam ! Clean residual mean=-0.000474 rms=0.005966 Jy/beam ! Combined flux in latest and established models = 0.600056 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 34 components and 0.600056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202261Jy sigma=0.001323 ! Fit after self-cal, rms=0.202267Jy sigma=0.001322 ! Inverting map ! Your choice of large map pixels excluded 1.08% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 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 1.09 KP 0.93 LA 1.07 MK 0.94 ! NL 1.23 NY 1.00* OV 1.04 PT 1.04 ! SC 0.97 TS 1.12 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.80 HN 1.00* KB 1.00* ! KK 1.00* KP 0.91 LA 1.06 MK 1.00* ! NL 1.16 NY 1.00* OV 1.04 PT 1.04 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.82 HN 1.00* KB 1.00* ! KK 1.16 KP 0.90 LA 1.06 MK 0.92 ! NL 1.26 NY 1.00* OV 1.02 PT 1.00 ! SC 0.94 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 33 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 1.11 ! KK 1.06 KP 0.88 LA 1.06 MK 0.95 ! NL 1.22 NY 1.00* OV 1.01 PT 1.10 ! SC 0.96 TS 1.10 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.81 HN 1.00* KB 1.00* ! KK 1.00* KP 0.87 LA 1.06 MK 1.00* ! NL 1.15 NY 1.00* OV 0.99 PT 1.07 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.85 HN 1.00* KB 1.00* ! KK 1.08 KP 0.87 LA 1.03 MK 0.92 ! NL 1.19 NY 1.00* OV 0.97 PT 1.07 ! SC 0.97 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 33 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 1.03 ! KK 1.10 KP 0.82 LA 1.05 MK 0.96 ! NL 1.28 NY 1.00* OV 1.05 PT 1.08 ! SC 1.05 TS 1.10 WZ 1.00* ZC 1.00* ! ! A total of 3 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 1.00* KP 0.80 LA 1.10 MK 1.00* ! NL 1.18 NY 1.00* OV 1.03 PT 1.09 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.85 HN 1.00* KB 1.00* ! KK 1.11 KP 0.76 LA 1.10 MK 1.03 ! NL 1.21 NY 1.00* OV 1.00 PT 1.09 ! SC 0.97 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.87 HN 1.00* KB 1.11 ! KK 1.08 KP 0.86 LA 1.06 MK 0.96 ! NL 1.30 NY 1.00* OV 1.05 PT 1.12 ! SC 1.04 TS 1.14 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.85 HN 1.00* KB 1.00* ! KK 1.00* KP 0.83 LA 1.07 MK 1.00* ! NL 1.20 NY 1.00* OV 1.05 PT 1.05 ! SC 1.08 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.85 HN 1.00* KB 1.00* ! KK 1.10 KP 0.84 LA 1.11 MK 0.98 ! NL 1.23 NY 1.00* OV 1.01 PT 1.06 ! SC 1.06 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.202267Jy sigma=0.001322 ! Fit after self-cal, rms=0.189973Jy sigma=0.001189 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.758 mas, bmaj=2.254 mas, bpa=-2.643 degrees ! Estimated noise=974.389 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 = -0.00383848 Jy ! Component: 100 - total flux cleaned = -0.00391857 Jy ! Component: 150 - total flux cleaned = -0.00391806 Jy ! Component: 200 - total flux cleaned = -0.00396904 Jy ! Total flux subtracted in 200 components = -0.00396904 Jy ! Clean residual min=-0.005174 max=0.004972 Jy/beam ! Clean residual mean=0.000139 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 0.596087 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 0.596087 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189837Jy sigma=0.001188 ! Fit after self-cal, rms=0.190275Jy sigma=0.001187 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.190275Jy sigma=0.001187 ! Fit after self-cal, rms=0.190067Jy sigma=0.001183 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7602 mas, bmaj=2.255 mas, bpa=-2.583 degrees ! Estimated noise=974.051 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00212372 Jy ! Component: 100 - total flux cleaned = -0.00235701 Jy ! Component: 150 - total flux cleaned = -0.00249365 Jy ! Component: 200 - total flux cleaned = -0.00264526 Jy ! Total flux subtracted in 200 components = -0.00264526 Jy ! Clean residual min=-0.005230 max=0.004911 Jy/beam ! Clean residual mean=0.000185 rms=0.001303 Jy/beam ! Combined flux in latest and established models = 0.593442 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 41 components and 0.593442 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189995Jy sigma=0.001182 ! Fit after self-cal, rms=0.190006Jy sigma=0.001182 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = -0.000116965 Jy ! Component: 100 - total flux cleaned = -0.000174543 Jy ! Component: 150 - total flux cleaned = -0.000223941 Jy ! Component: 200 - total flux cleaned = -0.000223565 Jy ! Total flux subtracted in 200 components = -0.000223565 Jy ! Clean residual min=-0.005171 max=0.004922 Jy/beam ! Clean residual mean=0.000183 rms=0.001301 Jy/beam ! Combined flux in latest and established models = 0.593219 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 42 components and 0.593219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189990Jy sigma=0.001182 ! Fit after self-cal, rms=0.189989Jy sigma=0.001182 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.189989Jy sigma=0.001182 ! Fit after self-cal, rms=0.189711Jy sigma=0.001174 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7619 mas, bmaj=2.257 mas, bpa=-2.472 degrees ! Estimated noise=973.588 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00203525 Jy ! Component: 100 - total flux cleaned = -0.0021304 Jy ! Component: 150 - total flux cleaned = -0.0022328 Jy ! Component: 200 - total flux cleaned = -0.00230854 Jy ! Total flux subtracted in 200 components = -0.00230854 Jy ! Clean residual min=-0.004096 max=0.004246 Jy/beam ! Clean residual mean=0.000020 rms=0.001011 Jy/beam ! Combined flux in latest and established models = 0.59091 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 43 components and 0.59091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189659Jy sigma=0.001174 ! Fit after self-cal, rms=0.189676Jy sigma=0.001174 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = -0.00016759 Jy ! Component: 100 - total flux cleaned = -0.000239845 Jy ! Component: 150 - total flux cleaned = -0.000254499 Jy ! Component: 200 - total flux cleaned = -0.000254772 Jy ! Total flux subtracted in 200 components = -0.000254772 Jy ! Clean residual min=-0.004062 max=0.004225 Jy/beam ! Clean residual mean=0.000020 rms=0.001010 Jy/beam ! Combined flux in latest and established models = 0.590655 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 46 components and 0.590655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189668Jy sigma=0.001174 ! Fit after self-cal, rms=0.189666Jy sigma=0.001174 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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=0.189666Jy sigma=0.001174 ! Fit after self-cal, rms=0.189894Jy sigma=0.001173 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=2.616 mas, bmaj=8.798 mas, bpa=-3.888 degrees ! Estimated noise=1265.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00155944 Jy ! Component: 100 - total flux cleaned = -0.001946 Jy ! Component: 150 - total flux cleaned = -0.00195525 Jy ! Component: 200 - total flux cleaned = -0.00196385 Jy ! Total flux subtracted in 200 components = -0.00196385 Jy ! Clean residual min=-0.003785 max=0.004157 Jy/beam ! Clean residual mean=0.000023 rms=0.001271 Jy/beam ! Combined flux in latest and established models = 0.588691 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 46 components and 0.588691 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189875Jy sigma=0.001173 ! Fit after self-cal, rms=0.189880Jy sigma=0.001173 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 = -4.32005e-05 Jy ! Component: 100 - total flux cleaned = -4.34822e-05 Jy ! Component: 150 - total flux cleaned = -4.376e-05 Jy ! Component: 200 - total flux cleaned = -4.40074e-05 Jy ! Total flux subtracted in 200 components = -4.40074e-05 Jy ! Clean residual min=-0.003786 max=0.004178 Jy/beam ! Clean residual mean=0.000023 rms=0.001271 Jy/beam ! Combined flux in latest and established models = 0.588647 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 46 components and 0.588647 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189877Jy sigma=0.001173 ! Fit after self-cal, rms=0.189876Jy sigma=0.001173 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7634 mas, bmaj=2.26 mas, bpa=-2.391 degrees ! Estimated noise=973.255 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7634 x 2.26 at -2.391 degrees (North through East) ! Clean map min=-0.003847 max=0.52026 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=0.189876Jy sigma=0.001173 ! Fit after self-cal, rms=1.520714Jy sigma=0.001062 ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7634 mas, bmaj=2.262 mas, bpa=-2.359 degrees ! Estimated noise=972.107 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000864154 Jy ! Component: 100 - total flux cleaned = -0.000946902 Jy ! Component: 150 - total flux cleaned = -0.00102625 Jy ! Component: 200 - total flux cleaned = -0.00107146 Jy ! Total flux subtracted in 200 components = -0.00107146 Jy ! Clean residual min=-0.003857 max=0.004151 Jy/beam ! Clean residual mean=0.000026 rms=0.000995 Jy/beam ! Combined flux in latest and established models = 0.587576 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 48 components and 0.587576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.520708Jy sigma=0.001062 ! Fit after self-cal, rms=1.520720Jy sigma=0.001062 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.97177e-05 Jy ! Component: 100 - total flux cleaned = -7.57185e-05 Jy ! Component: 150 - total flux cleaned = -0.000112683 Jy ! Component: 200 - total flux cleaned = -0.000120379 Jy ! Total flux subtracted in 200 components = -0.000120379 Jy ! Clean residual min=-0.003863 max=0.004149 Jy/beam ! Clean residual mean=0.000026 rms=0.000995 Jy/beam ! Combined flux in latest and established models = 0.587455 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 50 components and 0.587455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.520715Jy sigma=0.001062 ! Fit after self-cal, rms=1.520720Jy sigma=0.001062 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.520720Jy sigma=0.001062 ! Fit after self-cal, rms=1.977944Jy sigma=0.001062 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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.602 mas, bmaj=1.92 mas, bpa=0.04159 degrees ! Estimated noise=1710.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.395746 Jy ! Component: 100 - total flux cleaned = 0.492286 Jy ! Component: 150 - total flux cleaned = 0.532408 Jy ! Component: 200 - total flux cleaned = 0.55431 Jy ! Total flux subtracted in 200 components = 0.55431 Jy ! Clean residual min=-0.008143 max=0.011144 Jy/beam ! Clean residual mean=0.000038 rms=0.002169 Jy/beam ! Combined flux in latest and established models = 0.55431 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.55431 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7641 mas, bmaj=2.264 mas, bpa=-2.318 degrees ! Estimated noise=972.13 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 = 0.0173617 Jy ! Component: 100 - total flux cleaned = 0.0250804 Jy ! Component: 150 - total flux cleaned = 0.028696 Jy ! Component: 200 - total flux cleaned = 0.0304043 Jy ! Total flux subtracted in 200 components = 0.0304043 Jy ! Clean residual min=-0.004002 max=0.003960 Jy/beam ! Clean residual mean=0.000024 rms=0.000997 Jy/beam ! Combined flux in latest and established models = 0.584714 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 32 components and 0.584714 Jy ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=2.619 mas, bmaj=8.813 mas, bpa=-3.876 degrees ! Estimated noise=1260.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00085892 Jy ! Component: 100 - total flux cleaned = 0.00103569 Jy ! Component: 150 - total flux cleaned = 0.00104287 Jy ! Component: 200 - total flux cleaned = 0.00105022 Jy ! Total flux subtracted in 200 components = 0.00105022 Jy ! Clean residual min=-0.003881 max=0.003731 Jy/beam ! Clean residual mean=0.000049 rms=0.001273 Jy/beam ! Combined flux in latest and established models = 0.585764 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 = 6.63995e-06 Jy ! Component: 100 - total flux cleaned = 7.15184e-06 Jy ! Component: 150 - total flux cleaned = 1.36589e-05 Jy ! Component: 200 - total flux cleaned = 2.04518e-05 Jy ! Total flux subtracted in 200 components = 2.04518e-05 Jy ! Clean residual min=-0.003878 max=0.003727 Jy/beam ! Clean residual mean=0.000049 rms=0.001273 Jy/beam ! Combined flux in latest and established models = 0.585784 Jy ! Adding 5 model components to the UV plane model. ! The established model now contains 34 components and 0.585784 Jy ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! Estimated beam: bmin=0.7641 mas, bmaj=2.264 mas, bpa=-2.318 degrees ! Estimated noise=972.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00062481 Jy ! Component: 100 - total flux cleaned = -0.000528242 Jy ! Component: 150 - total flux cleaned = -0.000443051 Jy ! Component: 200 - total flux cleaned = -0.000368372 Jy ! Total flux subtracted in 200 components = -0.000368372 Jy ! Clean residual min=-0.004008 max=0.004020 Jy/beam ! Clean residual mean=0.000023 rms=0.000992 Jy/beam ! Combined flux in latest and established models = 0.585416 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 38 components and 0.585416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.977914Jy sigma=0.001062 ! Fit after self-cal, rms=1.977934Jy sigma=0.001062 wmodel J2331-3811_X_2009_04_21_pus_map.mod ! Writing 38 model components to file: J2331-3811_X_2009_04_21_pus_map.mod wobs J2331-3811_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J2331-3811_X_2009_04_21_pus_uvs.fits wwins J2331-3811_X_2009_04_21_pus_map.win ! wwins: Wrote 1 windows to J2331-3811_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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000442218 Jy ! Component: 100 - total flux cleaned = -0.000650147 Jy ! Component: 150 - total flux cleaned = -0.000404812 Jy ! Component: 200 - total flux cleaned = -5.08384e-05 Jy ! Component: 250 - total flux cleaned = 6.5231e-06 Jy ! Component: 300 - total flux cleaned = -0.000264058 Jy ! Component: 350 - total flux cleaned = -0.000315681 Jy ! Component: 400 - total flux cleaned = -0.000417289 Jy ! Component: 450 - total flux cleaned = -0.000467529 Jy ! Component: 500 - total flux cleaned = -0.000615024 Jy ! Component: 550 - total flux cleaned = -0.000710655 Jy ! Component: 600 - total flux cleaned = -0.00085061 Jy ! Component: 650 - total flux cleaned = -0.000850459 Jy ! Component: 700 - total flux cleaned = -0.000896131 Jy ! Component: 750 - total flux cleaned = -0.00094053 Jy ! Component: 800 - total flux cleaned = -0.000984439 Jy ! Component: 850 - total flux cleaned = -0.00107009 Jy ! Component: 900 - total flux cleaned = -0.00115388 Jy ! Component: 950 - total flux cleaned = -0.00123702 Jy ! Component: 1000 - total flux cleaned = -0.00131866 Jy ! Component: 1050 - total flux cleaned = -0.00135854 Jy ! Component: 1100 - total flux cleaned = -0.00139831 Jy ! Component: 1150 - total flux cleaned = -0.00151643 Jy ! Component: 1200 - total flux cleaned = -0.00159433 Jy ! Component: 1250 - total flux cleaned = -0.00178662 Jy ! Component: 1300 - total flux cleaned = -0.00186234 Jy ! Component: 1350 - total flux cleaned = -0.00189965 Jy ! Component: 1400 - total flux cleaned = -0.00193669 Jy ! Component: 1450 - total flux cleaned = -0.00201034 Jy ! Component: 1500 - total flux cleaned = -0.00208297 Jy ! Component: 1550 - total flux cleaned = -0.00208266 Jy ! Component: 1600 - total flux cleaned = -0.00211838 Jy ! Component: 1650 - total flux cleaned = -0.00222412 Jy ! Component: 1700 - total flux cleaned = -0.00222397 Jy ! Component: 1750 - total flux cleaned = -0.00229301 Jy ! Component: 1800 - total flux cleaned = -0.00232736 Jy ! Component: 1850 - total flux cleaned = -0.00242928 Jy ! Component: 1900 - total flux cleaned = -0.00242918 Jy ! Component: 1950 - total flux cleaned = -0.00249613 Jy ! Component: 2000 - total flux cleaned = -0.00256197 Jy ! Total flux subtracted in 2048 components = -0.00262726 Jy ! Clean residual min=-0.001702 max=0.001655 Jy/beam ! Clean residual mean=0.000034 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.582789 Jy keep ! Adding 126 model components to the UV plane model. ! The established model now contains 164 components and 0.582789 Jy ![Exited script file: muppet] wmap "J2331-3811_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7641 x 2.264 at -2.318 degrees (North through East) ! Clean map min=-0.0035159 max=0.52228 Jy/beam ! Writing clean map to FITS file: J2331-3811_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 0.522282 invert ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.1933 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000619702 device "J2331-3811_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J2331-3811_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.355959 0.355959 0.711917 1.42383 2.84767 5.69534 11.3907 22.7814 45.5627 91.1254 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.522 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7641 x 2.264 at -2.318 degrees (North through East) ! Clean map min=-0.0035159 max=0.52228 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2331-3811_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J2331-3811_X_2009_04_21_pus_map.gif/vgif' mapplot cln