! Started logfile: J0539-2839_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:15:11 2011 obs J0539-2839_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J0539-2839_X_2010_10_13_pus_uva.fits ! AN table 1: 10 integrations on 105 of 105 possible baselines. ! AN table 2: 105 integrations on 105 of 105 possible baselines. ! AN table 3: 16 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.120974 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0539-2839 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 5978 lines of history. ! ! Reading 6656 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 J0539-2839_X_2010_10_13_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 120 telescope corrections were flagged in sub-array 1. ! A total of 1093 telescope corrections were flagged in sub-array 2. ! A total of 129 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 1093 telescope corrections were flagged in sub-array 2. ! A total of 129 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 1093 telescope corrections were flagged in sub-array 2. ! A total of 129 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 1093 telescope corrections were flagged in sub-array 2. ! A total of 129 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.453107Jy sigma=0.004221 ! Fit after self-cal, rms=0.396147Jy sigma=0.003573 ! 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 4.93% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.6353 mas, bmaj=1.368 mas, bpa=2.342 degrees ! Estimated noise=1562.73 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 = 0.523161 Jy ! Component: 100 - total flux cleaned = 0.674995 Jy ! Total flux subtracted in 100 components = 0.674995 Jy ! Clean residual min=-0.043994 max=0.077496 Jy/beam ! Clean residual mean=0.002154 rms=0.014216 Jy/beam ! Combined flux in latest and established models = 0.674995 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.674995 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305669Jy sigma=0.003061 ! Fit after self-cal, rms=0.305392Jy sigma=0.003060 ! Inverting map ! Your choice of large map pixels excluded 4.93% of the data. ! The x-axis pixel size should ideally be below 0.1626 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 4.93% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.8889 mas, bmaj=2.273 mas, bpa=-7.19 degrees ! Estimated noise=901.973 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 = 0.162717 Jy ! Component: 100 - total flux cleaned = 0.227344 Jy ! Component: 150 - total flux cleaned = 0.254472 Jy ! Component: 200 - total flux cleaned = 0.266505 Jy ! Total flux subtracted in 200 components = 0.266505 Jy ! Clean residual min=-0.023474 max=0.058644 Jy/beam ! Clean residual mean=0.001328 rms=0.011780 Jy/beam ! Combined flux in latest and established models = 0.941501 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.941501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236844Jy sigma=0.002117 ! Fit after self-cal, rms=0.236273Jy sigma=0.002115 ! Inverting map ! Your choice of large map pixels excluded 4.93% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.79 HH 1.00* HN 1.00* ! KB 1.00* KK 0.96 KP 0.93 LA 0.94 ! MK 0.98 NL 1.68 NY 1.00* OV 0.93 ! PT 0.92 SC 1.00* TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.81 HH 0.85 HN 1.39 ! KB 1.00* KK 1.00* KP 0.98 LA 1.01 ! MK 1.00* NL 1.28 NY 1.00* OV 1.00* ! PT 0.99 SC 1.01 TS 1.00* ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.93 HH 1.00* HN 1.00* ! KB 1.00* KK 1.02 KP 0.93 LA 0.91 ! MK 0.92 NL 1.74 NY 1.00* OV 0.97 ! PT 0.94 SC 1.00* TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 HH 0.87 HN 1.70 ! KB 1.00* KK 1.00* KP 1.00 LA 0.99 ! MK 1.00* NL 1.39 NY 1.00* OV 1.00* ! PT 1.00 SC 1.02 TS 1.00* ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.96 HH 1.00* HN 1.00* ! KB 1.00* KK 1.01 KP 0.94 LA 0.92 ! MK 0.98 NL 1.76 NY 1.00* OV 0.96 ! PT 0.99 SC 1.00* TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 HH 0.84 HN 1.59 ! KB 1.00* KK 1.00* KP 0.98 LA 0.98 ! MK 1.00* NL 1.26 NY 1.00* OV 1.00* ! PT 1.08 SC 1.03 TS 1.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KK 1.04 KP 0.95 LA 0.96 ! MK 0.96 NL 1.90 NY 1.00* OV 1.01 ! PT 0.96 SC 1.00* TS 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.96 HH 0.84 HN 1.42 ! KB 1.00* KK 1.00* KP 1.02 LA 1.07 ! MK 1.00* NL 1.42 NY 1.00* OV 1.00* ! PT 1.04 SC 1.03 TS 1.00* ! ! ! Fit before self-cal, rms=0.236273Jy sigma=0.002115 ! Fit after self-cal, rms=0.220115Jy sigma=0.001352 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.9607 mas, bmaj=2.393 mas, bpa=-8.946 degrees ! Estimated noise=931.049 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 = -0.00121484 Jy ! Component: 100 - total flux cleaned = -0.00109019 Jy ! Component: 150 - total flux cleaned = -0.000991504 Jy ! Component: 200 - total flux cleaned = -0.000912539 Jy ! Total flux subtracted in 200 components = -0.000912539 Jy ! Clean residual min=-0.006641 max=0.010413 Jy/beam ! Clean residual mean=0.000108 rms=0.002424 Jy/beam ! Combined flux in latest and established models = 0.940588 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 29 components and 0.940588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220051Jy sigma=0.001350 ! Fit after self-cal, rms=0.220961Jy sigma=0.001348 ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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=0.220961Jy sigma=0.001348 ! Fit after self-cal, rms=0.220060Jy sigma=0.001311 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.9609 mas, bmaj=2.383 mas, bpa=-8.876 degrees ! Estimated noise=930.199 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00145643 Jy ! Component: 100 - total flux cleaned = -0.00155094 Jy ! Component: 150 - total flux cleaned = -0.0015083 Jy ! Component: 200 - total flux cleaned = -0.0014267 Jy ! Total flux subtracted in 200 components = -0.0014267 Jy ! Clean residual min=-0.004901 max=0.008837 Jy/beam ! Clean residual mean=0.000239 rms=0.001703 Jy/beam ! Combined flux in latest and established models = 0.939162 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 31 components and 0.939162 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220049Jy sigma=0.001310 ! Fit after self-cal, rms=0.220062Jy sigma=0.001310 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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) ! Added new window around map position (1.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00619268 Jy ! Component: 100 - total flux cleaned = 0.00600995 Jy ! Component: 150 - total flux cleaned = 0.00599742 Jy ! Component: 200 - total flux cleaned = 0.00600246 Jy ! Total flux subtracted in 200 components = 0.00600246 Jy ! Clean residual min=-0.004473 max=0.004572 Jy/beam ! Clean residual mean=-0.000049 rms=0.001353 Jy/beam ! Combined flux in latest and established models = 0.945164 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 39 components and 0.945164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219632Jy sigma=0.001305 ! Fit after self-cal, rms=0.219617Jy sigma=0.001304 ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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=0.219617Jy sigma=0.001304 ! Fit after self-cal, rms=0.220659Jy sigma=0.001298 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.9593 mas, bmaj=2.383 mas, bpa=-8.891 degrees ! Estimated noise=929.149 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00238591 Jy ! Component: 100 - total flux cleaned = 0.00292797 Jy ! Component: 150 - total flux cleaned = 0.0029274 Jy ! Component: 200 - total flux cleaned = 0.00292984 Jy ! Total flux subtracted in 200 components = 0.00292984 Jy ! Clean residual min=-0.003562 max=0.004054 Jy/beam ! Clean residual mean=0.000294 rms=0.001115 Jy/beam ! Combined flux in latest and established models = 0.948094 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 45 components and 0.948094 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220495Jy sigma=0.001296 ! Fit after self-cal, rms=0.220516Jy sigma=0.001296 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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 = 0.000331412 Jy ! Component: 100 - total flux cleaned = 0.000332416 Jy ! Component: 150 - total flux cleaned = 0.000394135 Jy ! Component: 200 - total flux cleaned = 0.000393525 Jy ! Total flux subtracted in 200 components = 0.000393525 Jy ! Clean residual min=-0.003394 max=0.004146 Jy/beam ! Clean residual mean=0.000275 rms=0.001104 Jy/beam ! Combined flux in latest and established models = 0.948487 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 48 components and 0.948487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220454Jy sigma=0.001296 ! Fit after self-cal, rms=0.220460Jy sigma=0.001296 ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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=0.220460Jy sigma=0.001296 ! Fit after self-cal, rms=0.220940Jy sigma=0.001295 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=2.594 mas, bmaj=5.72 mas, bpa=5.253 degrees ! Estimated noise=1078.6 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00278295 Jy ! Component: 100 - total flux cleaned = 0.00292056 Jy ! Component: 150 - total flux cleaned = 0.00295962 Jy ! Component: 200 - total flux cleaned = 0.00303068 Jy ! Total flux subtracted in 200 components = 0.00303068 Jy ! Clean residual min=-0.002294 max=0.003738 Jy/beam ! Clean residual mean=0.000406 rms=0.001201 Jy/beam ! Combined flux in latest and established models = 0.951518 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 53 components and 0.951518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220924Jy sigma=0.001295 ! Fit after self-cal, rms=0.220935Jy sigma=0.001295 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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 = 0.00022923 Jy ! Component: 100 - total flux cleaned = 0.000263315 Jy ! Component: 150 - total flux cleaned = 0.000294511 Jy ! Component: 200 - total flux cleaned = 0.000351994 Jy ! Total flux subtracted in 200 components = 0.000351994 Jy ! Clean residual min=-0.002307 max=0.003696 Jy/beam ! Clean residual mean=0.000376 rms=0.001188 Jy/beam ! Combined flux in latest and established models = 0.95187 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 56 components and 0.95187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220922Jy sigma=0.001295 ! Fit after self-cal, rms=0.220927Jy sigma=0.001295 ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.9587 mas, bmaj=2.384 mas, bpa=-8.896 degrees ! Estimated noise=928.136 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9587 x 2.384 at -8.896 degrees (North through East) ! Clean map min=-0.0035523 max=0.79877 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=0.220927Jy sigma=0.001295 ! Fit after self-cal, rms=0.227584Jy sigma=0.001170 ! Inverting map and beam ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.9578 mas, bmaj=2.372 mas, bpa=-8.813 degrees ! Estimated noise=927.398 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000303834 Jy ! Component: 100 - total flux cleaned = -0.000432959 Jy ! Component: 150 - total flux cleaned = -0.000432636 Jy ! Component: 200 - total flux cleaned = -0.000431013 Jy ! Total flux subtracted in 200 components = -0.000431013 Jy ! Clean residual min=-0.003129 max=0.004077 Jy/beam ! Clean residual mean=0.000286 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 0.951439 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 65 components and 0.951439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227534Jy sigma=0.001170 ! Fit after self-cal, rms=0.227538Jy sigma=0.001170 ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.21878e-05 Jy ! Component: 100 - total flux cleaned = 0.000105225 Jy ! Component: 150 - total flux cleaned = 0.000104564 Jy ! Component: 200 - total flux cleaned = 0.000142497 Jy ! Total flux subtracted in 200 components = 0.000142497 Jy ! Clean residual min=-0.003143 max=0.004158 Jy/beam ! Clean residual mean=0.000279 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 0.951582 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 66 components and 0.951582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227506Jy sigma=0.001170 ! Fit after self-cal, rms=0.227511Jy sigma=0.001170 ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227511Jy sigma=0.001170 ! Fit after self-cal, rms=0.228030Jy sigma=0.001170 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 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.6924 mas, bmaj=1.316 mas, bpa=2.995 degrees ! Estimated noise=1726.85 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.567197 Jy ! Component: 100 - total flux cleaned = 0.72753 Jy ! Component: 150 - total flux cleaned = 0.813024 Jy ! Component: 200 - total flux cleaned = 0.862603 Jy ! Total flux subtracted in 200 components = 0.862603 Jy ! Clean residual min=-0.012488 max=0.025327 Jy/beam ! Clean residual mean=0.000724 rms=0.004047 Jy/beam ! Combined flux in latest and established models = 0.862603 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.862603 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.9582 mas, bmaj=2.377 mas, bpa=-8.828 degrees ! Estimated noise=927.022 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 = 0.0462769 Jy ! Component: 100 - total flux cleaned = 0.0659351 Jy ! Component: 150 - total flux cleaned = 0.0750851 Jy ! Component: 200 - total flux cleaned = 0.0790454 Jy ! Total flux subtracted in 200 components = 0.0790454 Jy ! Clean residual min=-0.004940 max=0.006052 Jy/beam ! Clean residual mean=0.000735 rms=0.001440 Jy/beam ! Combined flux in latest and established models = 0.941649 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 37 components and 0.941649 Jy ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 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 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=2.592 mas, bmaj=5.72 mas, bpa=5.255 degrees ! Estimated noise=1077.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00586768 Jy ! Component: 100 - total flux cleaned = 0.00813355 Jy ! Component: 150 - total flux cleaned = 0.00857832 Jy ! Component: 200 - total flux cleaned = 0.00902845 Jy ! Total flux subtracted in 200 components = 0.00902845 Jy ! Clean residual min=-0.002875 max=0.004304 Jy/beam ! Clean residual mean=0.000542 rms=0.001249 Jy/beam ! Combined flux in latest and established models = 0.950677 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 = 0.000316411 Jy ! Component: 100 - total flux cleaned = 0.000584234 Jy ! Component: 150 - total flux cleaned = 0.000817385 Jy ! Component: 200 - total flux cleaned = 0.000979433 Jy ! Total flux subtracted in 200 components = 0.000979433 Jy ! Clean residual min=-0.002688 max=0.003918 Jy/beam ! Clean residual mean=0.000459 rms=0.001151 Jy/beam ! Combined flux in latest and established models = 0.951656 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 55 components and 0.951657 Jy ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! Estimated beam: bmin=0.9582 mas, bmaj=2.377 mas, bpa=-8.828 degrees ! Estimated noise=927.022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00105575 Jy ! Component: 100 - total flux cleaned = -0.000954071 Jy ! Component: 150 - total flux cleaned = -0.000775013 Jy ! Component: 200 - total flux cleaned = -0.000611779 Jy ! Total flux subtracted in 200 components = -0.000611779 Jy ! Clean residual min=-0.003345 max=0.004078 Jy/beam ! Clean residual mean=0.000288 rms=0.001040 Jy/beam ! Combined flux in latest and established models = 0.951045 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 65 components and 0.951045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228530Jy sigma=0.001174 ! Fit after self-cal, rms=0.228547Jy sigma=0.001174 wmodel J0539-2839_X_2010_10_13_pus_map.mod ! Writing 65 model components to file: J0539-2839_X_2010_10_13_pus_map.mod wobs J0539-2839_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J0539-2839_X_2010_10_13_pus_uvs.fits wwins J0539-2839_X_2010_10_13_pus_map.win ! wwins: Wrote 2 windows to J0539-2839_X_2010_10_13_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 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168485 Jy ! Component: 100 - total flux cleaned = 0.00212363 Jy ! Component: 150 - total flux cleaned = 0.00223794 Jy ! Component: 200 - total flux cleaned = 0.00256343 Jy ! Component: 250 - total flux cleaned = 0.00292703 Jy ! Component: 300 - total flux cleaned = 0.00337542 Jy ! Component: 350 - total flux cleaned = 0.00371193 Jy ! Component: 400 - total flux cleaned = 0.00389835 Jy ! Component: 450 - total flux cleaned = 0.00403476 Jy ! Component: 500 - total flux cleaned = 0.00425573 Jy ! Component: 550 - total flux cleaned = 0.00442803 Jy ! Component: 600 - total flux cleaned = 0.0046378 Jy ! Component: 650 - total flux cleaned = 0.00475983 Jy ! Component: 700 - total flux cleaned = 0.00483936 Jy ! Component: 750 - total flux cleaned = 0.00487904 Jy ! Component: 800 - total flux cleaned = 0.00503265 Jy ! Component: 850 - total flux cleaned = 0.00503246 Jy ! Component: 900 - total flux cleaned = 0.00510647 Jy ! Component: 950 - total flux cleaned = 0.00517905 Jy ! Component: 1000 - total flux cleaned = 0.00521503 Jy ! Total flux subtracted in 1024 components = 0.00532104 Jy ! Clean residual min=-0.001865 max=0.001981 Jy/beam ! Clean residual mean=0.000113 rms=0.000712 Jy/beam ! Combined flux in latest and established models = 0.956366 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 123 components and 0.956366 Jy ![Exited script file: muppet] wmap "J0539-2839_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9582 x 2.377 at -8.828 degrees (North through East) ! Clean map min=-0.0036767 max=0.7962 Jy/beam ! Writing clean map to FITS file: J0539-2839_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.796196 invert ! Inverting map ! Your choice of large map pixels excluded 3.92% of the data. ! The x-axis pixel size should ideally be below 0.1626 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000712405 device "J0539-2839_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0539-2839_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.268428 0.268428 0.536857 1.07371 2.14743 4.29485 8.5897 17.1794 34.3588 68.7176 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.796 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9582 x 2.377 at -8.828 degrees (North through East) ! Clean map min=-0.0036767 max=0.7962 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0539-2839_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J0539-2839_X_2010_10_13_pus_map.gif/vgif' mapplot cln