! Started logfile: J1801+4404_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:43:29 2011 obs J1801+4404_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J1801+4404_X_2010_06_23_pus_uva.fits ! AN table 1: 21 integrations on 105 of 105 possible baselines. ! AN table 2: 180 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.168112 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1801+4404 ! ! 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 3588 lines of history. ! ! Reading 14192 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 J1801+4404_X_2010_06_23_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 122 telescope corrections were flagged in sub-array 1. ! A total of 1942 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 136 telescope corrections were flagged in sub-array 1. ! A total of 2094 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 1963 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 122 telescope corrections were flagged in sub-array 1. ! A total of 1963 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.482301Jy sigma=0.004500 ! Fit after self-cal, rms=0.359460Jy sigma=0.003329 ! 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 6.57% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.5575 mas, bmaj=0.7285 mas, bpa=8.336 degrees ! Estimated noise=1004.16 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 = 0.533885 Jy ! Component: 100 - total flux cleaned = 0.66562 Jy ! Total flux subtracted in 100 components = 0.66562 Jy ! Clean residual min=-0.018819 max=0.055140 Jy/beam ! Clean residual mean=0.000791 rms=0.006718 Jy/beam ! Combined flux in latest and established models = 0.66562 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.66562 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.240128Jy sigma=0.002446 ! Fit after self-cal, rms=0.239919Jy sigma=0.002445 ! Inverting map ! Your choice of large map pixels excluded 6.57% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0662007 Jy ! Component: 100 - total flux cleaned = 0.111765 Jy ! Total flux subtracted in 100 components = 0.111765 Jy ! Clean residual min=-0.015418 max=0.030366 Jy/beam ! Clean residual mean=0.000461 rms=0.004889 Jy/beam ! Combined flux in latest and established models = 0.777385 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 22 components and 0.777385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208045Jy sigma=0.001933 ! Fit after self-cal, rms=0.207735Jy sigma=0.001931 ! Inverting map ! Your choice of large map pixels excluded 6.57% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Added new window around map position (-0.6, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0360675 Jy ! Component: 100 - total flux cleaned = 0.0621291 Jy ! Total flux subtracted in 100 components = 0.0621291 Jy ! Clean residual min=-0.014151 max=0.017016 Jy/beam ! Clean residual mean=0.000279 rms=0.004114 Jy/beam ! Combined flux in latest and established models = 0.839515 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 0.839515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197625Jy sigma=0.001737 ! Fit after self-cal, rms=0.197323Jy sigma=0.001735 ! Inverting map ! Your choice of large map pixels excluded 6.57% of the data. ! The x-axis pixel size should ideally be below 0.1569 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 6.57% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.7301 mas, bmaj=0.9121 mas, bpa=10.79 degrees ! Estimated noise=624.339 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 = 0.0410377 Jy ! Component: 100 - total flux cleaned = 0.0645327 Jy ! Component: 150 - total flux cleaned = 0.0790885 Jy ! Component: 200 - total flux cleaned = 0.0883144 Jy ! Total flux subtracted in 200 components = 0.0883144 Jy ! Clean residual min=-0.011735 max=0.014061 Jy/beam ! Clean residual mean=-0.000137 rms=0.003240 Jy/beam ! Combined flux in latest and established models = 0.927829 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 46 components and 0.927829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192213Jy sigma=0.001592 ! Fit after self-cal, rms=0.191953Jy sigma=0.001589 ! Inverting map ! Your choice of large map pixels excluded 6.57% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00* HN 1.00* KK 0.94 ! KP 1.00 LA 1.01 MA 1.16 MK 0.98 ! NL 1.01 NY 1.13 OV 0.97 PT 1.01 ! SC 1.00* TS 0.99 ZC 0.96 ! ! A total of 102 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.95 HN 1.07 KK 0.96 ! KP 0.94 LA 0.97 MA 0.99 MK 0.97 ! NL 1.01 NY 1.03 OV 0.97 PT 0.97 ! SC 0.97 TS 1.10 ZC 1.05 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* HN 1.00* KK 1.00 ! KP 0.98 LA 1.03 MA 1.00* MK 0.94 ! NL 1.01 NY 0.99 OV 1.00 PT 1.01 ! SC 1.00* TS 0.92 ZC 0.88 ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.95 HN 1.09 KK 0.96 ! KP 0.95 LA 0.98 MA 1.00* MK 0.95 ! NL 1.02 NY 1.05 OV 0.99 PT 0.96 ! SC 1.00 TS 1.12 ZC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* HN 1.00* KK 0.94 ! KP 0.99 LA 1.01 MA 1.09 MK 0.94 ! NL 0.99 NY 1.00 OV 1.01 PT 1.00 ! SC 1.00* TS 0.93 ZC 0.87 ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.94 HN 1.12 KK 0.95 ! KP 0.95 LA 0.98 MA 0.98 MK 0.98 ! NL 0.97 NY 1.05 OV 0.98 PT 0.95 ! SC 0.95 TS 1.09 ZC 1.08 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00* HN 1.00* KK 0.92 ! KP 1.01 LA 1.02 MA 1.08 MK 0.96 ! NL 1.00 NY 1.02 OV 0.99 PT 0.99 ! SC 1.00* TS 0.93 ZC 0.90 ! ! A total of 81 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.96 HN 1.15 KK 0.93 ! KP 0.95 LA 0.97 MA 1.02 MK 0.94 ! NL 1.01 NY 1.12 OV 0.97 PT 0.96 ! SC 1.00 TS 1.16 ZC 1.33 ! ! ! Fit before self-cal, rms=0.191953Jy sigma=0.001589 ! Fit after self-cal, rms=0.189370Jy sigma=0.001461 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.7468 mas, bmaj=0.9218 mas, bpa=11.42 degrees ! Estimated noise=623.291 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 = -0.0087199 Jy ! Component: 100 - total flux cleaned = -0.010123 Jy ! Component: 150 - total flux cleaned = -0.0105714 Jy ! Component: 200 - total flux cleaned = -0.0108318 Jy ! Total flux subtracted in 200 components = -0.0108318 Jy ! Clean residual min=-0.010020 max=0.007701 Jy/beam ! Clean residual mean=-0.000816 rms=0.002309 Jy/beam ! Combined flux in latest and established models = 0.916997 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 50 components and 0.916997 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188934Jy sigma=0.001458 ! Fit after self-cal, rms=0.188940Jy sigma=0.001457 ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 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=0.188940Jy sigma=0.001457 ! Fit after self-cal, rms=0.190444Jy sigma=0.001381 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.7462 mas, bmaj=0.9214 mas, bpa=11.79 degrees ! Estimated noise=622.794 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00414693 Jy ! Component: 100 - total flux cleaned = -0.00460567 Jy ! Component: 150 - total flux cleaned = -0.00470457 Jy ! Component: 200 - total flux cleaned = -0.00492806 Jy ! Total flux subtracted in 200 components = -0.00492806 Jy ! Clean residual min=-0.005387 max=0.004814 Jy/beam ! Clean residual mean=-0.000161 rms=0.001231 Jy/beam ! Combined flux in latest and established models = 0.912069 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 51 components and 0.912069 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190247Jy sigma=0.001380 ! Fit after self-cal, rms=0.190459Jy sigma=0.001379 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 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 = -0.000576518 Jy ! Component: 100 - total flux cleaned = -0.000576813 Jy ! Component: 150 - total flux cleaned = -0.000635834 Jy ! Component: 200 - total flux cleaned = -0.000733652 Jy ! Total flux subtracted in 200 components = -0.000733652 Jy ! Clean residual min=-0.005303 max=0.004752 Jy/beam ! Clean residual mean=-0.000149 rms=0.001217 Jy/beam ! Combined flux in latest and established models = 0.911335 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 53 components and 0.911335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190402Jy sigma=0.001379 ! Fit after self-cal, rms=0.190414Jy sigma=0.001379 ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 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=0.190414Jy sigma=0.001379 ! Fit after self-cal, rms=0.217007Jy sigma=0.001352 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.747 mas, bmaj=0.9244 mas, bpa=11.98 degrees ! Estimated noise=623.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00261524 Jy ! Component: 100 - total flux cleaned = -0.00302353 Jy ! Component: 150 - total flux cleaned = -0.00315858 Jy ! Component: 200 - total flux cleaned = -0.00316044 Jy ! Total flux subtracted in 200 components = -0.00316044 Jy ! Clean residual min=-0.003820 max=0.004006 Jy/beam ! Clean residual mean=-0.000063 rms=0.001017 Jy/beam ! Combined flux in latest and established models = 0.908175 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 54 components and 0.908175 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216895Jy sigma=0.001351 ! Fit after self-cal, rms=0.217637Jy sigma=0.001351 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 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 = -0.000273803 Jy ! Component: 100 - total flux cleaned = -0.000274434 Jy ! Component: 150 - total flux cleaned = -0.000320145 Jy ! Component: 200 - total flux cleaned = -0.000280918 Jy ! Total flux subtracted in 200 components = -0.000280918 Jy ! Clean residual min=-0.003859 max=0.003972 Jy/beam ! Clean residual mean=-0.000059 rms=0.001004 Jy/beam ! Combined flux in latest and established models = 0.907894 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 55 components and 0.907894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217599Jy sigma=0.001350 ! Fit after self-cal, rms=0.217609Jy sigma=0.001350 ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 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=0.217609Jy sigma=0.001350 ! Fit after self-cal, rms=0.221002Jy sigma=0.001350 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=2.6 mas, bmaj=2.732 mas, bpa=58.15 degrees ! Estimated noise=865.805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00194568 Jy ! Component: 100 - total flux cleaned = -0.00198702 Jy ! Component: 150 - total flux cleaned = -0.00202034 Jy ! Component: 200 - total flux cleaned = -0.00204569 Jy ! Total flux subtracted in 200 components = -0.00204569 Jy ! Clean residual min=-0.004806 max=0.003552 Jy/beam ! Clean residual mean=-0.000231 rms=0.001475 Jy/beam ! Combined flux in latest and established models = 0.905848 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 56 components and 0.905848 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220995Jy sigma=0.001350 ! Fit after self-cal, rms=0.221107Jy sigma=0.001350 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.35362e-05 Jy ! Component: 100 - total flux cleaned = 1.8112e-05 Jy ! Component: 150 - total flux cleaned = -6.64863e-07 Jy ! Component: 200 - total flux cleaned = -1.73309e-05 Jy ! Total flux subtracted in 200 components = -1.73309e-05 Jy ! Clean residual min=-0.004839 max=0.003635 Jy/beam ! Clean residual mean=-0.000229 rms=0.001467 Jy/beam ! Combined flux in latest and established models = 0.905831 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 56 components and 0.905831 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221104Jy sigma=0.001350 ! Fit after self-cal, rms=0.221110Jy sigma=0.001350 ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 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 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.7482 mas, bmaj=0.9267 mas, bpa=12.09 degrees ! Estimated noise=623.824 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7482 x 0.9267 at 12.09 degrees (North through East) ! Clean map min=-0.003537 max=0.73529 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=0.221110Jy sigma=0.001350 ! Fit after self-cal, rms=4.082876Jy sigma=0.001245 ! Inverting map and beam ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.7487 mas, bmaj=0.9272 mas, bpa=12.11 degrees ! Estimated noise=622.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00185928 Jy ! Component: 100 - total flux cleaned = -0.00223865 Jy ! Component: 150 - total flux cleaned = -0.00250145 Jy ! Component: 200 - total flux cleaned = -0.00272263 Jy ! Total flux subtracted in 200 components = -0.00272263 Jy ! Clean residual min=-0.003422 max=0.003406 Jy/beam ! Clean residual mean=-0.000012 rms=0.000912 Jy/beam ! Combined flux in latest and established models = 0.903108 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 57 components and 0.903108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=4.082884Jy sigma=0.001244 ! Fit after self-cal, rms=4.083286Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000229166 Jy ! Component: 100 - total flux cleaned = -0.000228636 Jy ! Component: 150 - total flux cleaned = -0.000263702 Jy ! Component: 200 - total flux cleaned = -0.000230463 Jy ! Total flux subtracted in 200 components = -0.000230463 Jy ! Clean residual min=-0.003411 max=0.003402 Jy/beam ! Clean residual mean=-0.000008 rms=0.000908 Jy/beam ! Combined flux in latest and established models = 0.902878 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 0.902878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=4.083290Jy sigma=0.001244 ! Fit after self-cal, rms=4.083387Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=4.083387Jy sigma=0.001244 ! Fit after self-cal, rms=3.935038Jy sigma=0.001243 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 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.5669 mas, bmaj=0.7359 mas, bpa=10.68 degrees ! Estimated noise=994.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.548034 Jy ! Component: 100 - total flux cleaned = 0.682427 Jy ! Component: 150 - total flux cleaned = 0.745017 Jy ! Component: 200 - total flux cleaned = 0.785779 Jy ! Total flux subtracted in 200 components = 0.785779 Jy ! Clean residual min=-0.007880 max=0.022405 Jy/beam ! Clean residual mean=0.000380 rms=0.002788 Jy/beam ! Combined flux in latest and established models = 0.785779 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.785779 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.7499 mas, bmaj=0.9284 mas, bpa=12.12 degrees ! Estimated noise=623.026 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 = 0.0486716 Jy ! Component: 100 - total flux cleaned = 0.0750813 Jy ! Component: 150 - total flux cleaned = 0.0903946 Jy ! Component: 200 - total flux cleaned = 0.099654 Jy ! Total flux subtracted in 200 components = 0.099654 Jy ! Clean residual min=-0.003675 max=0.005287 Jy/beam ! Clean residual mean=0.000247 rms=0.001133 Jy/beam ! Combined flux in latest and established models = 0.885433 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 38 components and 0.885433 Jy ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Added new window around map position (0.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00595705 Jy ! Component: 100 - total flux cleaned = 0.00979222 Jy ! Component: 150 - total flux cleaned = 0.0123142 Jy ! Component: 200 - total flux cleaned = 0.013888 Jy ! Total flux subtracted in 200 components = 0.013888 Jy ! Clean residual min=-0.003400 max=0.003461 Jy/beam ! Clean residual mean=0.000008 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 0.899321 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 51 components and 0.899321 Jy ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 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 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=2.601 mas, bmaj=2.734 mas, bpa=58.16 degrees ! Estimated noise=861.504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179738 Jy ! Component: 100 - total flux cleaned = 0.00184564 Jy ! Component: 150 - total flux cleaned = 0.00181138 Jy ! Component: 200 - total flux cleaned = 0.00175049 Jy ! Total flux subtracted in 200 components = 0.00175049 Jy ! Clean residual min=-0.004385 max=0.003577 Jy/beam ! Clean residual mean=-0.000066 rms=0.001430 Jy/beam ! Combined flux in latest and established models = 0.901072 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 = -5.42656e-05 Jy ! Component: 100 - total flux cleaned = -7.89854e-05 Jy ! Component: 150 - total flux cleaned = -0.000124896 Jy ! Component: 200 - total flux cleaned = -0.000145586 Jy ! Total flux subtracted in 200 components = -0.000145586 Jy ! Clean residual min=-0.004336 max=0.003584 Jy/beam ! Clean residual mean=-0.000060 rms=0.001415 Jy/beam ! Combined flux in latest and established models = 0.900926 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 61 components and 0.900926 Jy ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! Estimated beam: bmin=0.7499 mas, bmaj=0.9284 mas, bpa=12.12 degrees ! Estimated noise=623.026 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000115827 Jy ! Component: 100 - total flux cleaned = -2.22e-05 Jy ! Component: 150 - total flux cleaned = -2.30019e-05 Jy ! Component: 200 - total flux cleaned = 5.35137e-05 Jy ! Total flux subtracted in 200 components = 5.35137e-05 Jy ! Clean residual min=-0.003380 max=0.003462 Jy/beam ! Clean residual mean=-0.000020 rms=0.000888 Jy/beam ! Combined flux in latest and established models = 0.90098 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 70 components and 0.90098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.935055Jy sigma=0.001239 ! Fit after self-cal, rms=3.934992Jy sigma=0.001239 wmodel J1801+4404_X_2010_06_23_pus_map.mod ! Writing 70 model components to file: J1801+4404_X_2010_06_23_pus_map.mod wobs J1801+4404_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J1801+4404_X_2010_06_23_pus_uvs.fits wwins J1801+4404_X_2010_06_23_pus_map.win ! wwins: Wrote 3 windows to J1801+4404_X_2010_06_23_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 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000357127 Jy ! Component: 100 - total flux cleaned = -0.000629149 Jy ! Component: 150 - total flux cleaned = -0.000628324 Jy ! Component: 200 - total flux cleaned = -0.000528512 Jy ! Component: 250 - total flux cleaned = -0.000771942 Jy ! Component: 300 - total flux cleaned = -0.00081884 Jy ! Component: 350 - total flux cleaned = -0.000911674 Jy ! Component: 400 - total flux cleaned = -0.00100221 Jy ! Component: 450 - total flux cleaned = -0.000912557 Jy ! Component: 500 - total flux cleaned = -0.000825269 Jy ! Component: 550 - total flux cleaned = -0.000740095 Jy ! Component: 600 - total flux cleaned = -0.000825501 Jy ! Component: 650 - total flux cleaned = -0.000783117 Jy ! Component: 700 - total flux cleaned = -0.000659463 Jy ! Component: 750 - total flux cleaned = -0.000578316 Jy ! Component: 800 - total flux cleaned = -0.000538153 Jy ! Component: 850 - total flux cleaned = -0.000419175 Jy ! Component: 900 - total flux cleaned = -0.000341092 Jy ! Component: 950 - total flux cleaned = -0.000301862 Jy ! Component: 1000 - total flux cleaned = -0.000110074 Jy ! Total flux subtracted in 1024 components = -7.19569e-05 Jy ! Clean residual min=-0.002371 max=0.002159 Jy/beam ! Clean residual mean=0.000011 rms=0.000724 Jy/beam ! Combined flux in latest and established models = 0.900908 Jy keep ! Adding 76 model components to the UV plane model. ! The established model now contains 146 components and 0.900908 Jy ![Exited script file: muppet] wmap "J1801+4404_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7499 x 0.9284 at 12.12 degrees (North through East) ! Clean map min=-0.0024971 max=0.73523 Jy/beam ! Writing clean map to FITS file: J1801+4404_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.735234 invert ! Inverting map ! Your choice of large map pixels excluded 6.5% of the data. ! The x-axis pixel size should ideally be below 0.1569 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000723292 device "J1801+4404_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J1801+4404_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.295127 0.295127 0.590255 1.18051 2.36102 4.72204 9.44408 18.8882 37.7763 75.5526 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.735 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7499 x 0.9284 at 12.12 degrees (North through East) ! Clean map min=-0.0024971 max=0.73523 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1801+4404_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J1801+4404_X_2010_06_23_pus_map.gif/vgif' mapplot cln