! Started logfile: J1458+0416_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:44:31 2011 obs J1458+0416_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1458+0416_X_2009_04_21_pus_uva.fits ! AN table 1: 144 integrations on 120 of 120 possible baselines. ! AN table 2: 51 integrations on 120 of 120 possible baselines. ! AN table 3: 27 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.235285 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1458+0416 ! ! 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 25072 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 J1458+0416_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 1069 telescope corrections were flagged in sub-array 1. ! A total of 623 telescope corrections were flagged in sub-array 2. ! A total of 369 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1069 telescope corrections were flagged in sub-array 1. ! A total of 623 telescope corrections were flagged in sub-array 2. ! A total of 369 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1069 telescope corrections were flagged in sub-array 1. ! A total of 623 telescope corrections were flagged in sub-array 2. ! A total of 369 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1069 telescope corrections were flagged in sub-array 1. ! A total of 623 telescope corrections were flagged in sub-array 2. ! A total of 369 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.938416Jy sigma=0.007883 ! Fit after self-cal, rms=0.713694Jy sigma=0.005978 ! 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 1.86% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.5616 mas, bmaj=1.852 mas, bpa=-3.267 degrees ! Estimated noise=853.765 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 = 0.231945 Jy ! Component: 100 - total flux cleaned = 0.303355 Jy ! Total flux subtracted in 100 components = 0.303355 Jy ! Clean residual min=-0.012232 max=0.037149 Jy/beam ! Clean residual mean=0.000111 rms=0.003802 Jy/beam ! Combined flux in latest and established models = 0.303355 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.303355 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217332Jy sigma=0.001452 ! Fit after self-cal, rms=0.217056Jy sigma=0.001450 ! Inverting map ! Your choice of large map pixels excluded 1.86% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Added new window around map position (-0.8, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0411297 Jy ! Component: 100 - total flux cleaned = 0.0658902 Jy ! Total flux subtracted in 100 components = 0.0658902 Jy ! Clean residual min=-0.011876 max=0.022007 Jy/beam ! Clean residual mean=0.000034 rms=0.002734 Jy/beam ! Combined flux in latest and established models = 0.369245 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.369245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205563Jy sigma=0.001319 ! Fit after self-cal, rms=0.205107Jy sigma=0.001314 ! Inverting map ! Your choice of large map pixels excluded 1.86% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191344 Jy ! Component: 100 - total flux cleaned = 0.0311619 Jy ! Total flux subtracted in 100 components = 0.0311619 Jy ! Clean residual min=-0.010784 max=0.013118 Jy/beam ! Clean residual mean=-0.000003 rms=0.002381 Jy/beam ! Combined flux in latest and established models = 0.400407 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.400407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202319Jy sigma=0.001283 ! Fit after self-cal, rms=0.202129Jy sigma=0.001281 ! Inverting map ! Your choice of large map pixels excluded 1.86% of the data. ! The x-axis pixel size should ideally be below 0.1558 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 1.86% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.6536 mas, bmaj=2.019 mas, bpa=-3.312 degrees ! Estimated noise=536.326 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 = 0.0156175 Jy ! Component: 100 - total flux cleaned = 0.0246491 Jy ! Component: 150 - total flux cleaned = 0.0277501 Jy ! Component: 200 - total flux cleaned = 0.0299958 Jy ! Total flux subtracted in 200 components = 0.0299958 Jy ! Clean residual min=-0.010006 max=0.009517 Jy/beam ! Clean residual mean=-0.000036 rms=0.002560 Jy/beam ! Combined flux in latest and established models = 0.430403 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 32 components and 0.430403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200745Jy sigma=0.001268 ! Fit after self-cal, rms=0.200672Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 1.86% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.87 HN 1.18 KB 0.94 ! KK 1.12 KP 0.92 LA 1.08 MK 0.91 ! NL 0.98 NY 1.00* OV 0.99 PT 1.01 ! SC 1.05 TS 1.04 WZ 1.07 ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.86 HN 1.21 KB 1.00* ! KK 1.15 KP 0.93 LA 1.04 MK 0.97 ! NL 0.90 NY 1.00* OV 0.95 PT 0.95 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.87 HN 1.21 KB 1.00 ! KK 1.07 KP 0.87 LA 1.10 MK 0.91 ! NL 0.95 NY 1.00* OV 0.99 PT 1.05 ! SC 1.03 TS 0.99 WZ 1.13 ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.89 HN 1.21 KB 1.00* ! KK 1.09 KP 0.84 LA 1.01 MK 0.89 ! NL 0.83 NY 1.00* OV 0.95 PT 1.05 ! SC 1.07 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.87 HN 1.22 KB 0.91 ! KK 1.11 KP 0.78 LA 1.11 MK 0.95 ! NL 0.99 NY 1.00* OV 1.01 PT 1.05 ! SC 1.05 TS 0.98 WZ 1.09 ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.87 HN 1.22 KB 1.00* ! KK 1.09 KP 0.76 LA 1.15 MK 0.96 ! NL 0.91 NY 1.00* OV 0.98 PT 1.07 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.89 HN 1.28 KB 0.96 ! KK 1.07 KP 0.83 LA 1.12 MK 0.97 ! NL 0.99 NY 1.00* OV 1.01 PT 1.05 ! SC 1.06 TS 0.97 WZ 1.16 ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.90 HN 1.20 KB 1.00* ! KK 1.03 KP 0.77 LA 1.11 MK 0.96 ! NL 0.90 NY 1.00* OV 1.00 PT 1.01 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.200672Jy sigma=0.001267 ! Fit after self-cal, rms=0.213618Jy sigma=0.001211 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.6737 mas, bmaj=2.044 mas, bpa=-3.231 degrees ! Estimated noise=544.546 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 = -0.00283302 Jy ! Component: 100 - total flux cleaned = -0.0030402 Jy ! Component: 150 - total flux cleaned = -0.00329183 Jy ! Component: 200 - total flux cleaned = -0.00350513 Jy ! Total flux subtracted in 200 components = -0.00350513 Jy ! Clean residual min=-0.003448 max=0.003838 Jy/beam ! Clean residual mean=-0.000127 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 0.426898 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 42 components and 0.426898 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213510Jy sigma=0.001210 ! Fit after self-cal, rms=0.213771Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 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=0.213771Jy sigma=0.001209 ! Fit after self-cal, rms=0.212065Jy sigma=0.001203 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.6762 mas, bmaj=2.045 mas, bpa=-3.169 degrees ! Estimated noise=546.395 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00164174 Jy ! Component: 100 - total flux cleaned = -0.00182249 Jy ! Component: 150 - total flux cleaned = -0.00189473 Jy ! Component: 200 - total flux cleaned = -0.00195872 Jy ! Total flux subtracted in 200 components = -0.00195872 Jy ! Clean residual min=-0.003068 max=0.003088 Jy/beam ! Clean residual mean=-0.000091 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 0.424939 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 49 components and 0.424939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211999Jy sigma=0.001202 ! Fit after self-cal, rms=0.212000Jy sigma=0.001202 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 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 = -3.08312e-05 Jy ! Component: 100 - total flux cleaned = -8.33631e-05 Jy ! Component: 150 - total flux cleaned = -0.000124876 Jy ! Component: 200 - total flux cleaned = -0.000159969 Jy ! Total flux subtracted in 200 components = -0.000159969 Jy ! Clean residual min=-0.003034 max=0.003149 Jy/beam ! Clean residual mean=-0.000092 rms=0.000740 Jy/beam ! Combined flux in latest and established models = 0.424779 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 54 components and 0.424779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211981Jy sigma=0.001202 ! Fit after self-cal, rms=0.211979Jy sigma=0.001202 ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Added new window around map position (-12, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00250234 Jy ! Component: 100 - total flux cleaned = 0.00281986 Jy ! Component: 150 - total flux cleaned = 0.00290616 Jy ! Component: 200 - total flux cleaned = 0.00298638 Jy ! Total flux subtracted in 200 components = 0.00298638 Jy ! Clean residual min=-0.003035 max=0.002450 Jy/beam ! Clean residual mean=-0.000102 rms=0.000712 Jy/beam ! Combined flux in latest and established models = 0.427766 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 66 components and 0.427766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211935Jy sigma=0.001202 ! Fit after self-cal, rms=0.211925Jy sigma=0.001202 ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 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=0.211925Jy sigma=0.001202 ! Fit after self-cal, rms=0.212899Jy sigma=0.001201 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.6797 mas, bmaj=2.049 mas, bpa=-3.124 degrees ! Estimated noise=547.809 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00127873 Jy ! Component: 100 - total flux cleaned = -0.00133932 Jy ! Component: 150 - total flux cleaned = -0.00124131 Jy ! Component: 200 - total flux cleaned = -0.00115714 Jy ! Total flux subtracted in 200 components = -0.00115714 Jy ! Clean residual min=-0.003017 max=0.002647 Jy/beam ! Clean residual mean=-0.000070 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.426608 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 72 components and 0.426608 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212873Jy sigma=0.001200 ! Fit after self-cal, rms=0.212878Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 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 = -8.83254e-06 Jy ! Component: 100 - total flux cleaned = 2.74985e-05 Jy ! Component: 150 - total flux cleaned = 2.68453e-05 Jy ! Component: 200 - total flux cleaned = 5.79976e-05 Jy ! Total flux subtracted in 200 components = 5.79976e-05 Jy ! Clean residual min=-0.003009 max=0.002603 Jy/beam ! Clean residual mean=-0.000071 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.426666 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 75 components and 0.426666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212869Jy sigma=0.001200 ! Fit after self-cal, rms=0.212866Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 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=0.212866Jy sigma=0.001200 ! Fit after self-cal, rms=0.213399Jy sigma=0.001200 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=2.312 mas, bmaj=3.218 mas, bpa=-1.682 degrees ! Estimated noise=712.357 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000290167 Jy ! Component: 100 - total flux cleaned = -0.000430838 Jy ! Component: 150 - total flux cleaned = -0.000394197 Jy ! Component: 200 - total flux cleaned = -0.000337177 Jy ! Total flux subtracted in 200 components = -0.000337177 Jy ! Clean residual min=-0.002957 max=0.002325 Jy/beam ! Clean residual mean=-0.000119 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.426329 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 0.426329 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213406Jy sigma=0.001200 ! Fit after self-cal, rms=0.213414Jy sigma=0.001200 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 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 = 0.000217582 Jy ! Component: 100 - total flux cleaned = 0.000217752 Jy ! Component: 150 - total flux cleaned = 0.0002182 Jy ! Component: 200 - total flux cleaned = 0.000217799 Jy ! Total flux subtracted in 200 components = 0.000217799 Jy ! Clean residual min=-0.002896 max=0.002272 Jy/beam ! Clean residual mean=-0.000122 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.426547 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 91 components and 0.426547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213424Jy sigma=0.001200 ! Fit after self-cal, rms=0.213424Jy sigma=0.001200 ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.6821 mas, bmaj=2.052 mas, bpa=-3.099 degrees ! Estimated noise=548.75 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6821 x 2.052 at -3.099 degrees (North through East) ! Clean map min=-0.0025087 max=0.31248 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 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.5822 mas, bmaj=1.856 mas, bpa=-2.936 degrees ! Estimated noise=884.159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.239085 Jy ! Component: 100 - total flux cleaned = 0.314649 Jy ! Component: 150 - total flux cleaned = 0.354722 Jy ! Component: 200 - total flux cleaned = 0.378159 Jy ! Total flux subtracted in 200 components = 0.378159 Jy ! Clean residual min=-0.005056 max=0.011932 Jy/beam ! Clean residual mean=0.000036 rms=0.001518 Jy/beam ! Combined flux in latest and established models = 0.378159 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.378159 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.6821 mas, bmaj=2.052 mas, bpa=-3.099 degrees ! Estimated noise=548.75 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 = 0.0200039 Jy ! Component: 100 - total flux cleaned = 0.0303747 Jy ! Component: 150 - total flux cleaned = 0.0361258 Jy ! Component: 200 - total flux cleaned = 0.0398616 Jy ! Total flux subtracted in 200 components = 0.0398616 Jy ! Clean residual min=-0.002874 max=0.003846 Jy/beam ! Clean residual mean=-0.000024 rms=0.000727 Jy/beam ! Combined flux in latest and established models = 0.41802 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 29 components and 0.41802 Jy ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Added new window around map position (-1.6, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00342688 Jy ! Component: 100 - total flux cleaned = 0.00547428 Jy ! Component: 150 - total flux cleaned = 0.00655034 Jy ! Component: 200 - total flux cleaned = 0.00708187 Jy ! Total flux subtracted in 200 components = 0.00708187 Jy ! Clean residual min=-0.002637 max=0.002298 Jy/beam ! Clean residual mean=-0.000046 rms=0.000651 Jy/beam ! Combined flux in latest and established models = 0.425102 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 47 components and 0.425102 Jy ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=2.312 mas, bmaj=3.218 mas, bpa=-1.682 degrees ! Estimated noise=712.357 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00147339 Jy ! Component: 100 - total flux cleaned = 0.00158367 Jy ! Component: 150 - total flux cleaned = 0.00164611 Jy ! Component: 200 - total flux cleaned = 0.00167198 Jy ! Total flux subtracted in 200 components = 0.00167198 Jy ! Clean residual min=-0.002935 max=0.002149 Jy/beam ! Clean residual mean=-0.000126 rms=0.000777 Jy/beam ! Combined flux in latest and established models = 0.426774 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 = 2.60801e-05 Jy ! Component: 100 - total flux cleaned = 7.34229e-05 Jy ! Component: 150 - total flux cleaned = 7.40458e-05 Jy ! Component: 200 - total flux cleaned = 5.41797e-05 Jy ! Total flux subtracted in 200 components = 5.41797e-05 Jy ! Clean residual min=-0.002907 max=0.002185 Jy/beam ! Clean residual mean=-0.000126 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.426828 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 66 components and 0.426828 Jy ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! Estimated beam: bmin=0.6821 mas, bmaj=2.052 mas, bpa=-3.099 degrees ! Estimated noise=548.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0002068 Jy ! Component: 100 - total flux cleaned = -0.000243629 Jy ! Component: 150 - total flux cleaned = -0.000172754 Jy ! Component: 200 - total flux cleaned = -0.000140418 Jy ! Total flux subtracted in 200 components = -0.000140418 Jy ! Clean residual min=-0.002517 max=0.002287 Jy/beam ! Clean residual mean=-0.000050 rms=0.000635 Jy/beam ! Combined flux in latest and established models = 0.426688 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 80 components and 0.426688 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213490Jy sigma=0.001201 ! Fit after self-cal, rms=0.213459Jy sigma=0.001201 wmodel J1458+0416_X_2009_04_21_pus_map.mod ! Writing 80 model components to file: J1458+0416_X_2009_04_21_pus_map.mod wobs J1458+0416_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1458+0416_X_2009_04_21_pus_uvs.fits wwins J1458+0416_X_2009_04_21_pus_map.win ! wwins: Wrote 4 windows to J1458+0416_X_2009_04_21_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00079419 Jy ! Component: 100 - total flux cleaned = -0.000966838 Jy ! Component: 150 - total flux cleaned = -0.00100831 Jy ! Component: 200 - total flux cleaned = -0.00100847 Jy ! Component: 250 - total flux cleaned = -0.0010472 Jy ! Component: 300 - total flux cleaned = -0.00112244 Jy ! Component: 350 - total flux cleaned = -0.00115913 Jy ! Component: 400 - total flux cleaned = -0.00112325 Jy ! Component: 450 - total flux cleaned = -0.0010883 Jy ! Component: 500 - total flux cleaned = -0.00115708 Jy ! Component: 550 - total flux cleaned = -0.0012586 Jy ! Component: 600 - total flux cleaned = -0.00139215 Jy ! Component: 650 - total flux cleaned = -0.00142522 Jy ! Component: 700 - total flux cleaned = -0.00152316 Jy ! Component: 750 - total flux cleaned = -0.00168381 Jy ! Component: 800 - total flux cleaned = -0.00187428 Jy ! Component: 850 - total flux cleaned = -0.00203089 Jy ! Component: 900 - total flux cleaned = -0.00212385 Jy ! Component: 950 - total flux cleaned = -0.00230802 Jy ! Component: 1000 - total flux cleaned = -0.00236829 Jy ! Component: 1050 - total flux cleaned = -0.00245827 Jy ! Component: 1100 - total flux cleaned = -0.00257719 Jy ! Component: 1150 - total flux cleaned = -0.00266555 Jy ! Component: 1200 - total flux cleaned = -0.00275287 Jy ! Component: 1250 - total flux cleaned = -0.00281089 Jy ! Component: 1300 - total flux cleaned = -0.00289682 Jy ! Component: 1350 - total flux cleaned = -0.00298205 Jy ! Component: 1400 - total flux cleaned = -0.00303828 Jy ! Component: 1450 - total flux cleaned = -0.00309402 Jy ! Component: 1500 - total flux cleaned = -0.00312202 Jy ! Component: 1550 - total flux cleaned = -0.00323129 Jy ! Component: 1600 - total flux cleaned = -0.0032851 Jy ! Component: 1650 - total flux cleaned = -0.00333901 Jy ! Component: 1700 - total flux cleaned = -0.00344596 Jy ! Component: 1750 - total flux cleaned = -0.00339302 Jy ! Component: 1800 - total flux cleaned = -0.00355109 Jy ! Component: 1850 - total flux cleaned = -0.00357754 Jy ! Component: 1900 - total flux cleaned = -0.00365547 Jy ! Component: 1950 - total flux cleaned = -0.00370723 Jy ! Component: 2000 - total flux cleaned = -0.00380977 Jy ! Total flux subtracted in 2048 components = -0.00391144 Jy ! Clean residual min=-0.001301 max=0.001268 Jy/beam ! Clean residual mean=-0.000038 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.422777 Jy keep ! Adding 153 model components to the UV plane model. ! The established model now contains 233 components and 0.422777 Jy ![Exited script file: muppet] wmap "J1458+0416_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6821 x 2.052 at -3.099 degrees (North through East) ! Clean map min=-0.0021414 max=0.31252 Jy/beam ! Writing clean map to FITS file: J1458+0416_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.312524 invert ! Inverting map ! Your choice of large map pixels excluded 1.83% of the data. ! The x-axis pixel size should ideally be below 0.1558 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000472428 device "J1458+0416_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1458+0416_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.453496 0.453496 0.906993 1.81399 3.62797 7.25594 14.5119 29.0238 58.0475 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.312 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6821 x 2.052 at -3.099 degrees (North through East) ! Clean map min=-0.0021414 max=0.31252 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1458+0416_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1458+0416_X_2009_04_21_pus_map.gif/vgif' mapplot cln