! Started logfile: J1802-3940_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:47:06 2011 obs J1802-3940_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1802-3940_X_2009_04_21_pus_uva.fits ! AN table 1: 51 integrations on 120 of 120 possible baselines. ! AN table 2: 47 integrations on 120 of 120 possible baselines. ! AN table 3: 12 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0823485 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1802-3940 ! ! 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 4348 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 J1802-3940_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 628 telescope corrections were flagged in sub-array 1. ! A total of 607 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 628 telescope corrections were flagged in sub-array 1. ! A total of 607 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 628 telescope corrections were flagged in sub-array 1. ! A total of 607 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 628 telescope corrections were flagged in sub-array 1. ! A total of 607 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.329346Jy sigma=0.009034 ! Fit after self-cal, rms=0.848006Jy sigma=0.005718 ! 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 1.7% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.6017 mas, bmaj=2.239 mas, bpa=-1.303 degrees ! Estimated noise=2529.2 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 = 1.30162 Jy ! Component: 100 - total flux cleaned = 1.58911 Jy ! Total flux subtracted in 100 components = 1.58911 Jy ! Clean residual min=-0.092950 max=0.115588 Jy/beam ! Clean residual mean=0.000394 rms=0.021333 Jy/beam ! Combined flux in latest and established models = 1.58911 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.58911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.430295Jy sigma=0.002768 ! Fit after self-cal, rms=0.430238Jy sigma=0.002767 ! Inverting map ! Your choice of large map pixels excluded 1.7% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 1.7% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.7314 mas, bmaj=2.909 mas, bpa=-1.457 degrees ! Estimated noise=1654.42 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 = 0.184232 Jy ! Component: 100 - total flux cleaned = 0.267754 Jy ! Component: 150 - total flux cleaned = 0.306448 Jy ! Component: 200 - total flux cleaned = 0.324696 Jy ! Total flux subtracted in 200 components = 0.324696 Jy ! Clean residual min=-0.107684 max=0.068978 Jy/beam ! Clean residual mean=-0.004956 rms=0.020913 Jy/beam ! Combined flux in latest and established models = 1.9138 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 36 components and 1.9138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353418Jy sigma=0.002241 ! Fit after self-cal, rms=0.353316Jy sigma=0.002241 ! Inverting map ! Your choice of large map pixels excluded 1.7% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.86 HN 1.00* KB 1.06 ! KK 1.12 KP 0.90 LA 1.14 MK 0.96 ! NL 1.00* NY 1.00* OV 1.04 PT 1.03 ! SC 1.00* TS 1.02 WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.84 HN 1.00* KB 1.00* ! KK 1.14 KP 0.89 LA 1.07 MK 0.94 ! NL 1.45 NY 1.00* OV 1.00 PT 1.01 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.85 HN 1.00* KB 1.00* ! KK 1.00* KP 0.95 LA 1.17 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.10 ! SC 1.00 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 6 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 1.06 ! KK 1.09 KP 0.86 LA 1.12 MK 0.96 ! NL 1.00* NY 1.00* OV 1.02 PT 1.08 ! SC 1.00* TS 1.05 WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.83 HN 1.00* KB 1.00* ! KK 1.07 KP 0.84 LA 1.06 MK 0.95 ! NL 1.40 NY 1.00* OV 0.98 PT 1.05 ! SC 0.98 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.85 HN 1.00* KB 1.00* ! KK 1.00* KP 0.91 LA 1.13 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.13 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.84 HN 1.00* KB 1.07 ! KK 1.10 KP 0.78 LA 1.14 MK 0.97 ! NL 1.00* NY 1.00* OV 1.06 PT 1.08 ! SC 1.00* TS 1.02 WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.84 HN 1.00* KB 1.00* ! KK 1.11 KP 0.86 LA 1.08 MK 0.97 ! NL 1.47 NY 1.00* OV 1.02 PT 1.04 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.86 HN 1.00* KB 1.00* ! KK 1.00* KP 0.82 LA 1.18 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.14 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 6 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 1.10 ! KK 1.09 KP 0.82 LA 1.12 MK 0.99 ! NL 1.00* NY 1.00* OV 1.05 PT 1.06 ! SC 1.00* TS 0.97 WZ 1.00* ZC 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.86 HN 1.00* KB 1.00* ! KK 1.14 KP 0.80 LA 1.08 MK 0.97 ! NL 1.43 NY 1.00* OV 1.00 PT 1.04 ! SC 1.02 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.86 HN 1.00* KB 1.00* ! KK 1.00* KP 0.89 LA 1.15 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.11 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.353316Jy sigma=0.002241 ! Fit after self-cal, rms=0.205998Jy sigma=0.001226 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.7664 mas, bmaj=2.91 mas, bpa=-2.103 degrees ! Estimated noise=1677.69 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 (-0.8, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112508 Jy ! Component: 100 - total flux cleaned = 0.00948104 Jy ! Component: 150 - total flux cleaned = 0.00867685 Jy ! Component: 200 - total flux cleaned = 0.00777671 Jy ! Total flux subtracted in 200 components = 0.00777671 Jy ! Clean residual min=-0.013569 max=0.011142 Jy/beam ! Clean residual mean=-0.000954 rms=0.002727 Jy/beam ! Combined flux in latest and established models = 1.92158 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 1.92158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204239Jy sigma=0.001215 ! Fit after self-cal, rms=0.204443Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 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=0.204443Jy sigma=0.001212 ! Fit after self-cal, rms=0.204005Jy sigma=0.001210 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.7662 mas, bmaj=2.906 mas, bpa=-2.069 degrees ! Estimated noise=1675.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00498346 Jy ! Component: 100 - total flux cleaned = 0.00451031 Jy ! Component: 150 - total flux cleaned = 0.00413258 Jy ! Component: 200 - total flux cleaned = 0.00364838 Jy ! Total flux subtracted in 200 components = 0.00364838 Jy ! Clean residual min=-0.012133 max=0.008806 Jy/beam ! Clean residual mean=-0.000720 rms=0.002505 Jy/beam ! Combined flux in latest and established models = 1.92523 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 58 components and 1.92523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203381Jy sigma=0.001206 ! Fit after self-cal, rms=0.203302Jy sigma=0.001206 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 = 0.002377 Jy ! Component: 100 - total flux cleaned = 0.00208701 Jy ! Component: 150 - total flux cleaned = 0.00169247 Jy ! Component: 200 - total flux cleaned = 0.00132801 Jy ! Total flux subtracted in 200 components = 0.00132801 Jy ! Clean residual min=-0.011657 max=0.008017 Jy/beam ! Clean residual mean=-0.000734 rms=0.002443 Jy/beam ! Combined flux in latest and established models = 1.92656 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 70 components and 1.92656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203107Jy sigma=0.001204 ! Fit after self-cal, rms=0.203085Jy sigma=0.001204 ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 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=0.203085Jy sigma=0.001204 ! Fit after self-cal, rms=0.201954Jy sigma=0.001193 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.7665 mas, bmaj=2.905 mas, bpa=-2.059 degrees ! Estimated noise=1674.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0003286 Jy ! Component: 100 - total flux cleaned = 4.50651e-05 Jy ! Component: 150 - total flux cleaned = -0.000293006 Jy ! Component: 200 - total flux cleaned = -0.000586215 Jy ! Total flux subtracted in 200 components = -0.000586215 Jy ! Clean residual min=-0.007402 max=0.006626 Jy/beam ! Clean residual mean=-0.000384 rms=0.001947 Jy/beam ! Combined flux in latest and established models = 1.92597 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 73 components and 1.92597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201779Jy sigma=0.001192 ! Fit after self-cal, rms=0.201765Jy sigma=0.001192 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 = 0.00107628 Jy ! Component: 100 - total flux cleaned = 0.000709826 Jy ! Component: 150 - total flux cleaned = 0.000464439 Jy ! Component: 200 - total flux cleaned = 0.000315723 Jy ! Total flux subtracted in 200 components = 0.000315723 Jy ! Clean residual min=-0.007307 max=0.006385 Jy/beam ! Clean residual mean=-0.000388 rms=0.001922 Jy/beam ! Combined flux in latest and established models = 1.92629 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 79 components and 1.92629 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201696Jy sigma=0.001191 ! Fit after self-cal, rms=0.201686Jy sigma=0.001191 ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 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=0.201686Jy sigma=0.001191 ! Fit after self-cal, rms=0.201519Jy sigma=0.001191 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=2.829 mas, bmaj=9.768 mas, bpa=5.744 degrees ! Estimated noise=2234.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00192755 Jy ! Component: 100 - total flux cleaned = -0.00183121 Jy ! Component: 150 - total flux cleaned = -0.0019459 Jy ! Component: 200 - total flux cleaned = -0.00215291 Jy ! Total flux subtracted in 200 components = -0.00215291 Jy ! Clean residual min=-0.009195 max=0.007221 Jy/beam ! Clean residual mean=-0.000672 rms=0.002421 Jy/beam ! Combined flux in latest and established models = 1.92413 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 86 components and 1.92413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201483Jy sigma=0.001191 ! Fit after self-cal, rms=0.201450Jy sigma=0.001191 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 = 0.000288445 Jy ! Component: 100 - total flux cleaned = 0.000436462 Jy ! Component: 150 - total flux cleaned = 0.000274354 Jy ! Component: 200 - total flux cleaned = 9.35055e-05 Jy ! Total flux subtracted in 200 components = 9.35055e-05 Jy ! Clean residual min=-0.008997 max=0.007222 Jy/beam ! Clean residual mean=-0.000674 rms=0.002399 Jy/beam ! Combined flux in latest and established models = 1.92423 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 91 components and 1.92423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201447Jy sigma=0.001190 ! Fit after self-cal, rms=0.201423Jy sigma=0.001190 ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.7669 mas, bmaj=2.906 mas, bpa=-2.057 degrees ! Estimated noise=1673.29 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7669 x 2.906 at -2.057 degrees (North through East) ! Clean map min=-0.0067568 max=1.7391 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=0.201423Jy sigma=0.001190 ! Fit after self-cal, rms=0.184197Jy sigma=0.001056 ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.767 mas, bmaj=2.905 mas, bpa=-2.047 degrees ! Estimated noise=1671.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000227615 Jy ! Component: 100 - total flux cleaned = -0.000829257 Jy ! Component: 150 - total flux cleaned = -0.000991225 Jy ! Component: 200 - total flux cleaned = -0.0011337 Jy ! Total flux subtracted in 200 components = -0.0011337 Jy ! Clean residual min=-0.007003 max=0.006676 Jy/beam ! Clean residual mean=-0.000280 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 1.92309 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 95 components and 1.92309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184092Jy sigma=0.001056 ! Fit after self-cal, rms=0.184086Jy sigma=0.001056 ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000568386 Jy ! Component: 100 - total flux cleaned = 0.000362877 Jy ! Component: 150 - total flux cleaned = 0.000298456 Jy ! Component: 200 - total flux cleaned = 0.000182503 Jy ! Total flux subtracted in 200 components = 0.000182503 Jy ! Clean residual min=-0.006905 max=0.006667 Jy/beam ! Clean residual mean=-0.000282 rms=0.001834 Jy/beam ! Combined flux in latest and established models = 1.92327 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 99 components and 1.92327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184039Jy sigma=0.001055 ! Fit after self-cal, rms=0.184035Jy sigma=0.001055 ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184035Jy sigma=0.001055 ! Fit after self-cal, rms=0.184023Jy sigma=0.001055 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.613 mas, bmaj=2.237 mas, bpa=-1.282 degrees ! Estimated noise=2571.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.31408 Jy ! Component: 100 - total flux cleaned = 1.60345 Jy ! Component: 150 - total flux cleaned = 1.70072 Jy ! Component: 200 - total flux cleaned = 1.76275 Jy ! Total flux subtracted in 200 components = 1.76275 Jy ! Clean residual min=-0.019635 max=0.035272 Jy/beam ! Clean residual mean=0.000597 rms=0.006020 Jy/beam ! Combined flux in latest and established models = 1.76275 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 22 model components to the UV plane model. ! The established model now contains 22 components and 1.76275 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.7674 mas, bmaj=2.906 mas, bpa=-2.045 degrees ! Estimated noise=1671.9 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 = 0.0768276 Jy ! Component: 100 - total flux cleaned = 0.11493 Jy ! Component: 150 - total flux cleaned = 0.135368 Jy ! Component: 200 - total flux cleaned = 0.146798 Jy ! Total flux subtracted in 200 components = 0.146798 Jy ! Clean residual min=-0.007450 max=0.008360 Jy/beam ! Clean residual mean=-0.000125 rms=0.002180 Jy/beam ! Combined flux in latest and established models = 1.90954 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 73 components and 1.90954 Jy ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=2.828 mas, bmaj=9.769 mas, bpa=5.761 degrees ! Estimated noise=2230.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00921213 Jy ! Component: 100 - total flux cleaned = 0.0122418 Jy ! Component: 150 - total flux cleaned = 0.0128957 Jy ! Component: 200 - total flux cleaned = 0.0128944 Jy ! Total flux subtracted in 200 components = 0.0128944 Jy ! Clean residual min=-0.008871 max=0.006813 Jy/beam ! Clean residual mean=-0.000531 rms=0.002333 Jy/beam ! Combined flux in latest and established models = 1.92244 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 = -2.50055e-06 Jy ! Component: 100 - total flux cleaned = -4.64578e-06 Jy ! Component: 150 - total flux cleaned = -6.47203e-06 Jy ! Component: 200 - total flux cleaned = -8.47892e-06 Jy ! Total flux subtracted in 200 components = -8.47892e-06 Jy ! Clean residual min=-0.008822 max=0.006725 Jy/beam ! Clean residual mean=-0.000530 rms=0.002324 Jy/beam ! Combined flux in latest and established models = 1.92243 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 94 components and 1.92243 Jy ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.7674 mas, bmaj=2.906 mas, bpa=-2.045 degrees ! Estimated noise=1671.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000343645 Jy ! Component: 100 - total flux cleaned = -0.00033768 Jy ! Component: 150 - total flux cleaned = -0.000337276 Jy ! Component: 200 - total flux cleaned = -0.000338931 Jy ! Total flux subtracted in 200 components = -0.000338931 Jy ! Clean residual min=-0.006682 max=0.007087 Jy/beam ! Clean residual mean=-0.000249 rms=0.001863 Jy/beam ! Combined flux in latest and established models = 1.92209 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 109 components and 1.92209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184127Jy sigma=0.001056 ! Fit after self-cal, rms=0.184014Jy sigma=0.001055 wmodel J1802-3940_X_2009_04_21_pus_map.mod ! Writing 109 model components to file: J1802-3940_X_2009_04_21_pus_map.mod wobs J1802-3940_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1802-3940_X_2009_04_21_pus_uvs.fits wwins J1802-3940_X_2009_04_21_pus_map.win ! wwins: Wrote 2 windows to J1802-3940_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000743426 Jy ! Component: 100 - total flux cleaned = -0.00201215 Jy ! Component: 150 - total flux cleaned = -0.00339533 Jy ! Component: 200 - total flux cleaned = -0.00419645 Jy ! Component: 250 - total flux cleaned = -0.0045802 Jy ! Component: 300 - total flux cleaned = -0.00523194 Jy ! Component: 350 - total flux cleaned = -0.0055936 Jy ! Component: 400 - total flux cleaned = -0.0061213 Jy ! Component: 450 - total flux cleaned = -0.00672201 Jy ! Component: 500 - total flux cleaned = -0.00730818 Jy ! Component: 550 - total flux cleaned = -0.0079616 Jy ! Component: 600 - total flux cleaned = -0.00844042 Jy ! Component: 650 - total flux cleaned = -0.00890827 Jy ! Component: 700 - total flux cleaned = -0.00913722 Jy ! Component: 750 - total flux cleaned = -0.00928716 Jy ! Component: 800 - total flux cleaned = -0.00943466 Jy ! Component: 850 - total flux cleaned = -0.00950683 Jy ! Component: 900 - total flux cleaned = -0.00957759 Jy ! Component: 950 - total flux cleaned = -0.00964742 Jy ! Component: 1000 - total flux cleaned = -0.00978384 Jy ! Component: 1050 - total flux cleaned = -0.00971666 Jy ! Component: 1100 - total flux cleaned = -0.00978307 Jy ! Component: 1150 - total flux cleaned = -0.00991384 Jy ! Component: 1200 - total flux cleaned = -0.0101702 Jy ! Component: 1250 - total flux cleaned = -0.0102956 Jy ! Component: 1300 - total flux cleaned = -0.0104199 Jy ! Component: 1350 - total flux cleaned = -0.0106033 Jy ! Component: 1400 - total flux cleaned = -0.0106025 Jy ! Component: 1450 - total flux cleaned = -0.0107216 Jy ! Component: 1500 - total flux cleaned = -0.0108979 Jy ! Component: 1550 - total flux cleaned = -0.0108977 Jy ! Component: 1600 - total flux cleaned = -0.0110124 Jy ! Component: 1650 - total flux cleaned = -0.0112389 Jy ! Component: 1700 - total flux cleaned = -0.0114069 Jy ! Component: 1750 - total flux cleaned = -0.0115726 Jy ! Component: 1800 - total flux cleaned = -0.0117366 Jy ! Component: 1850 - total flux cleaned = -0.0118986 Jy ! Component: 1900 - total flux cleaned = -0.0118982 Jy ! Component: 1950 - total flux cleaned = -0.012058 Jy ! Component: 2000 - total flux cleaned = -0.0122161 Jy ! Total flux subtracted in 2048 components = -0.0123207 Jy ! Clean residual min=-0.002696 max=0.003078 Jy/beam ! Clean residual mean=-0.000099 rms=0.001007 Jy/beam ! Combined flux in latest and established models = 1.90977 Jy keep ! Adding 117 model components to the UV plane model. ! The established model now contains 226 components and 1.90977 Jy ![Exited script file: muppet] wmap "J1802-3940_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7674 x 2.906 at -2.045 degrees (North through East) ! Clean map min=-0.0057423 max=1.7273 Jy/beam ! Writing clean map to FITS file: J1802-3940_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.72725 invert ! Inverting map ! Your choice of large map pixels excluded 0.799% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00100938 device "J1802-3940_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1802-3940_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.175315 0.175315 0.35063 0.70126 1.40252 2.80504 5.61008 11.2202 22.4403 44.8807 89.7613 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.003 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.727 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7674 x 2.906 at -2.045 degrees (North through East) ! Clean map min=-0.0057423 max=1.7273 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1802-3940_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1802-3940_X_2009_04_21_pus_map.gif/vgif' mapplot cln