! Started logfile: J0121+0422_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:15:39 2010 obs J0121+0422_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0121+0422_X_2008_07_09_pus_uva.fits ! AN table 1: 234 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.242125 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0121+0422 ! ! 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 1142 lines of history. ! ! Reading 23796 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 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 2064 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2064 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2064 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2064 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.791495Jy sigma=0.006234 ! Fit after self-cal, rms=0.586963Jy sigma=0.004384 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.522% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5554 mas, bmaj=1.673 mas, bpa=-13.78 degrees ! Estimated noise=1041.88 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 = 0.389721 Jy ! Component: 100 - total flux cleaned = 0.541234 Jy ! Total flux subtracted in 100 components = 0.541234 Jy ! Clean residual min=-0.032256 max=0.105372 Jy/beam ! Clean residual mean=0.000772 rms=0.014235 Jy/beam ! Combined flux in latest and established models = 0.541234 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.541234 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272687Jy sigma=0.002178 ! Fit after self-cal, rms=0.271495Jy sigma=0.002173 ! Inverting map ! Your choice of large map pixels excluded 0.522% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Added new window around map position (1, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.106144 Jy ! Component: 100 - total flux cleaned = 0.169348 Jy ! Total flux subtracted in 100 components = 0.169348 Jy ! Clean residual min=-0.020075 max=0.040821 Jy/beam ! Clean residual mean=0.000448 rms=0.007810 Jy/beam ! Combined flux in latest and established models = 0.710582 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 19 components and 0.710582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211384Jy sigma=0.001565 ! Fit after self-cal, rms=0.209178Jy sigma=0.001546 ! Inverting map ! Your choice of large map pixels excluded 0.522% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.522% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5526 mas, bmaj=1.916 mas, bpa=-12.76 degrees ! Estimated noise=592.433 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 = 0.0742659 Jy ! Component: 100 - total flux cleaned = 0.116024 Jy ! Component: 150 - total flux cleaned = 0.141307 Jy ! Component: 200 - total flux cleaned = 0.157222 Jy ! Total flux subtracted in 200 components = 0.157222 Jy ! Clean residual min=-0.010698 max=0.019403 Jy/beam ! Clean residual mean=0.000176 rms=0.003505 Jy/beam ! Combined flux in latest and established models = 0.867804 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 40 components and 0.867804 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185437Jy sigma=0.001268 ! Fit after self-cal, rms=0.184688Jy sigma=0.001261 ! Inverting map ! Your choice of large map pixels excluded 0.522% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.98 HH 1.00* HN 1.15 ! KK 1.00* KP 1.00 LA 0.96 MK 1.00* ! NL 0.98 NY 1.09 ON 1.09 PT 1.00 ! SC 0.96 WZ 0.97 ZC 1.09 ! ! ! Correcting IF 2. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HH 1.00* HN 1.03 ! KK 1.00* KP 0.94 LA 0.95 MK 1.00* ! NL 0.97 NY 1.06 ON 1.07 PT 1.00 ! SC 0.97 WZ 0.98 ZC 1.12 ! ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HH 1.00* HN 1.03 ! KK 1.00* KP 0.99 LA 0.98 MK 1.00* ! NL 1.02 NY 1.05 ON 1.08 PT 1.00 ! SC 1.00 WZ 0.99 ZC 1.14 ! ! ! Correcting IF 4. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 1.02 ! KK 1.00* KP 0.99 LA 0.98 MK 1.00* ! NL 1.02 NY 1.10 ON 1.01 PT 1.03 ! SC 1.00 WZ 1.01 ZC 1.12 ! ! ! Fit before self-cal, rms=0.184688Jy sigma=0.001261 ! Fit after self-cal, rms=0.187144Jy sigma=0.001232 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5541 mas, bmaj=1.918 mas, bpa=-12.5 degrees ! Estimated noise=591.018 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 = -0.00484186 Jy ! Component: 100 - total flux cleaned = -0.00431575 Jy ! Component: 150 - total flux cleaned = -0.0037405 Jy ! Component: 200 - total flux cleaned = -0.0031146 Jy ! Total flux subtracted in 200 components = -0.0031146 Jy ! Clean residual min=-0.004984 max=0.005687 Jy/beam ! Clean residual mean=0.000043 rms=0.001380 Jy/beam ! Combined flux in latest and established models = 0.864689 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 52 components and 0.864689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186770Jy sigma=0.001229 ! Fit after self-cal, rms=0.186861Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.186861Jy sigma=0.001229 ! Fit after self-cal, rms=0.186576Jy sigma=0.001228 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5544 mas, bmaj=1.916 mas, bpa=-12.48 degrees ! Estimated noise=590.089 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0015876 Jy ! Component: 100 - total flux cleaned = -0.00135717 Jy ! Component: 150 - total flux cleaned = -0.000940996 Jy ! Component: 200 - total flux cleaned = -0.000666631 Jy ! Total flux subtracted in 200 components = -0.000666631 Jy ! Clean residual min=-0.004295 max=0.004873 Jy/beam ! Clean residual mean=0.000033 rms=0.001215 Jy/beam ! Combined flux in latest and established models = 0.864023 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 57 components and 0.864023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186419Jy sigma=0.001227 ! Fit after self-cal, rms=0.186380Jy sigma=0.001227 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 0.000381225 Jy ! Component: 100 - total flux cleaned = 0.000560249 Jy ! Component: 150 - total flux cleaned = 0.000803885 Jy ! Component: 200 - total flux cleaned = 0.000873909 Jy ! Total flux subtracted in 200 components = 0.000873909 Jy ! Clean residual min=-0.004092 max=0.004420 Jy/beam ! Clean residual mean=0.000029 rms=0.001139 Jy/beam ! Combined flux in latest and established models = 0.864897 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 0.864897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186299Jy sigma=0.001226 ! Fit after self-cal, rms=0.186279Jy sigma=0.001226 ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.186279Jy sigma=0.001226 ! Fit after self-cal, rms=0.185922Jy sigma=0.001225 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5548 mas, bmaj=1.913 mas, bpa=-12.48 degrees ! Estimated noise=589.363 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.34811e-05 Jy ! Component: 100 - total flux cleaned = -4.74504e-06 Jy ! Component: 150 - total flux cleaned = 0.000136946 Jy ! Component: 200 - total flux cleaned = 0.000200099 Jy ! Total flux subtracted in 200 components = 0.000200099 Jy ! Clean residual min=-0.003787 max=0.003865 Jy/beam ! Clean residual mean=0.000025 rms=0.001067 Jy/beam ! Combined flux in latest and established models = 0.865097 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 62 components and 0.865097 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185862Jy sigma=0.001225 ! Fit after self-cal, rms=0.185847Jy sigma=0.001225 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 0.000133988 Jy ! Component: 100 - total flux cleaned = 0.000199888 Jy ! Component: 150 - total flux cleaned = 0.000259578 Jy ! Component: 200 - total flux cleaned = 0.000418247 Jy ! Total flux subtracted in 200 components = 0.000418247 Jy ! Clean residual min=-0.003671 max=0.003627 Jy/beam ! Clean residual mean=0.000023 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.865515 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 64 components and 0.865515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185812Jy sigma=0.001224 ! Fit after self-cal, rms=0.185801Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.185801Jy sigma=0.001224 ! Fit after self-cal, rms=0.185736Jy sigma=0.001224 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=2.419 mas, bmaj=2.955 mas, bpa=-16.82 degrees ! Estimated noise=796.885 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00165193 Jy ! Component: 100 - total flux cleaned = 0.00171972 Jy ! Component: 150 - total flux cleaned = 0.00172179 Jy ! Component: 200 - total flux cleaned = 0.00176706 Jy ! Total flux subtracted in 200 components = 0.00176706 Jy ! Clean residual min=-0.003191 max=0.004141 Jy/beam ! Clean residual mean=0.000036 rms=0.001333 Jy/beam ! Combined flux in latest and established models = 0.867282 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 69 components and 0.867282 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185749Jy sigma=0.001224 ! Fit after self-cal, rms=0.185742Jy sigma=0.001224 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 0.000116955 Jy ! Component: 100 - total flux cleaned = 0.000115873 Jy ! Component: 150 - total flux cleaned = 0.000159266 Jy ! Component: 200 - total flux cleaned = 0.000158895 Jy ! Total flux subtracted in 200 components = 0.000158895 Jy ! Clean residual min=-0.003297 max=0.004015 Jy/beam ! Clean residual mean=0.000035 rms=0.001295 Jy/beam ! Combined flux in latest and established models = 0.867441 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 71 components and 0.867441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185764Jy sigma=0.001224 ! Fit after self-cal, rms=0.185759Jy sigma=0.001224 ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5551 mas, bmaj=1.912 mas, bpa=-12.48 degrees ! Estimated noise=589.04 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5551 x 1.912 at -12.48 degrees (North through East) ! Clean map min=-0.0032237 max=0.48059 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 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 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5559 mas, bmaj=1.663 mas, bpa=-13.5 degrees ! Estimated noise=1064.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.393434 Jy ! Component: 100 - total flux cleaned = 0.56197 Jy ! Component: 150 - total flux cleaned = 0.664619 Jy ! Component: 200 - total flux cleaned = 0.727986 Jy ! Total flux subtracted in 200 components = 0.727986 Jy ! Clean residual min=-0.014446 max=0.033012 Jy/beam ! Clean residual mean=0.000293 rms=0.005596 Jy/beam ! Combined flux in latest and established models = 0.727986 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.727986 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5551 mas, bmaj=1.912 mas, bpa=-12.48 degrees ! Estimated noise=589.04 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 = 0.0560404 Jy ! Component: 100 - total flux cleaned = 0.0877512 Jy ! Component: 150 - total flux cleaned = 0.106518 Jy ! Component: 200 - total flux cleaned = 0.118026 Jy ! Total flux subtracted in 200 components = 0.118026 Jy ! Clean residual min=-0.005471 max=0.009585 Jy/beam ! Clean residual mean=0.000110 rms=0.001782 Jy/beam ! Combined flux in latest and established models = 0.846012 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 38 components and 0.846012 Jy ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Added new window around map position (2.6, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00939403 Jy ! Component: 100 - total flux cleaned = 0.0136129 Jy ! Component: 150 - total flux cleaned = 0.0155762 Jy ! Component: 200 - total flux cleaned = 0.0170365 Jy ! Total flux subtracted in 200 components = 0.0170365 Jy ! Clean residual min=-0.003461 max=0.004100 Jy/beam ! Clean residual mean=0.000040 rms=0.001033 Jy/beam ! Combined flux in latest and established models = 0.863049 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 51 components and 0.863049 Jy ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=2.419 mas, bmaj=2.955 mas, bpa=-16.82 degrees ! Estimated noise=796.885 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00390066 Jy ! Component: 100 - total flux cleaned = 0.00408669 Jy ! Component: 150 - total flux cleaned = 0.00408546 Jy ! Component: 200 - total flux cleaned = 0.00408684 Jy ! Total flux subtracted in 200 components = 0.00408684 Jy ! Clean residual min=-0.003822 max=0.003401 Jy/beam ! Clean residual mean=0.000034 rms=0.001234 Jy/beam ! Combined flux in latest and established models = 0.867136 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 = 9.51735e-05 Jy ! Component: 100 - total flux cleaned = 9.55616e-05 Jy ! Component: 150 - total flux cleaned = 9.60473e-05 Jy ! Component: 200 - total flux cleaned = 0.000129974 Jy ! Total flux subtracted in 200 components = 0.000129974 Jy ! Clean residual min=-0.003819 max=0.003536 Jy/beam ! Clean residual mean=0.000029 rms=0.001234 Jy/beam ! Combined flux in latest and established models = 0.867266 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 78 components and 0.867266 Jy ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.5551 mas, bmaj=1.912 mas, bpa=-12.48 degrees ! Estimated noise=589.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00121939 Jy ! Component: 100 - total flux cleaned = -0.00106074 Jy ! Component: 150 - total flux cleaned = -0.000927307 Jy ! Component: 200 - total flux cleaned = -0.000927194 Jy ! Total flux subtracted in 200 components = -0.000927194 Jy ! Clean residual min=-0.002750 max=0.003225 Jy/beam ! Clean residual mean=0.000020 rms=0.000860 Jy/beam ! Combined flux in latest and established models = 0.866338 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 91 components and 0.866338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185586Jy sigma=0.001223 ! Fit after self-cal, rms=0.185520Jy sigma=0.001223 wmodel J0121+0422_X_2008_07_09_pus_map.mod ! Writing 91 model components to file: J0121+0422_X_2008_07_09_pus_map.mod wobs J0121+0422_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0121+0422_X_2008_07_09_pus_uvs.fits wwins J0121+0422_X_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J0121+0422_X_2008_07_09_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 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000339905 Jy ! Component: 100 - total flux cleaned = -9.52146e-05 Jy ! Component: 150 - total flux cleaned = 4.31394e-05 Jy ! Component: 200 - total flux cleaned = -0.000129865 Jy ! Component: 250 - total flux cleaned = -0.000170688 Jy ! Component: 300 - total flux cleaned = -0.000332335 Jy ! Component: 350 - total flux cleaned = -0.000526937 Jy ! Component: 400 - total flux cleaned = -0.0006404 Jy ! Component: 450 - total flux cleaned = -0.000824016 Jy ! Component: 500 - total flux cleaned = -0.00089551 Jy ! Component: 550 - total flux cleaned = -0.000826578 Jy ! Component: 600 - total flux cleaned = -0.000793251 Jy ! Component: 650 - total flux cleaned = -0.000728679 Jy ! Component: 700 - total flux cleaned = -0.000729775 Jy ! Component: 750 - total flux cleaned = -0.000730496 Jy ! Component: 800 - total flux cleaned = -0.000761486 Jy ! Component: 850 - total flux cleaned = -0.000701582 Jy ! Component: 900 - total flux cleaned = -0.000788987 Jy ! Component: 950 - total flux cleaned = -0.000702694 Jy ! Component: 1000 - total flux cleaned = -0.000674356 Jy ! Total flux subtracted in 1024 components = -0.00067414 Jy ! Clean residual min=-0.001505 max=0.001369 Jy/beam ! Clean residual mean=0.000009 rms=0.000543 Jy/beam ! Combined flux in latest and established models = 0.865664 Jy keep ! Adding 67 model components to the UV plane model. ! The established model now contains 157 components and 0.865664 Jy wmap "J0121+0422_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5551 x 1.912 at -12.48 degrees (North through East) ! Clean map min=-0.0023786 max=0.47668 Jy/beam ! Writing clean map to FITS file: J0121+0422_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.47668 invert ! Inverting map ! Your choice of large map pixels excluded 0.526% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000544222 device "J0121+0422_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0121+0422_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.342508 0.342508 0.685015 1.37003 2.74006 5.48012 10.9602 21.9205 43.841 87.682 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.476 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5551 x 1.912 at -12.48 degrees (North through East) ! Clean map min=-0.0023786 max=0.47668 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0121+0422_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0121+0422_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0121+0422_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:15:43 2010