! Started logfile: J1931+2243_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:53:02 2010 obs J1931+2243_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1931+2243_X_2008_04_02_pus_uva.fits ! AN table 1: 443 integrations on 120 of 120 possible baselines. ! AN table 2: 149 integrations on 120 of 120 possible baselines. ! AN table 3: 176 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.192405 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1931+2243 ! ! 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 2284 lines of history. ! ! Reading 70928 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 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 4686 telescope corrections were flagged in sub-array 1. ! A total of 1540 telescope corrections were flagged in sub-array 2. ! A total of 942 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 5025 telescope corrections were flagged in sub-array 1. ! A total of 1661 telescope corrections were flagged in sub-array 2. ! A total of 942 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 4686 telescope corrections were flagged in sub-array 1. ! A total of 1540 telescope corrections were flagged in sub-array 2. ! A total of 942 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 4684 telescope corrections were flagged in sub-array 1. ! A total of 1540 telescope corrections were flagged in sub-array 2. ! A total of 942 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.874411Jy sigma=0.005800 ! Fit after self-cal, rms=0.765984Jy sigma=0.004967 ! 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 9.65% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.5683 mas, bmaj=0.7566 mas, bpa=1.551 degrees ! Estimated noise=1072.67 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 = 0.216891 Jy ! Component: 100 - total flux cleaned = 0.266007 Jy ! Total flux subtracted in 100 components = 0.266007 Jy ! Clean residual min=-0.010413 max=0.026936 Jy/beam ! Clean residual mean=-0.000039 rms=0.002906 Jy/beam ! Combined flux in latest and established models = 0.266007 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.266007 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303094Jy sigma=0.001276 ! Fit after self-cal, rms=0.302988Jy sigma=0.001276 ! Inverting map ! Your choice of large map pixels excluded 9.65% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Added new window around map position (-0.4, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254548 Jy ! Component: 100 - total flux cleaned = 0.0404162 Jy ! Total flux subtracted in 100 components = 0.0404162 Jy ! Clean residual min=-0.010020 max=0.016286 Jy/beam ! Clean residual mean=-0.000018 rms=0.002419 Jy/beam ! Combined flux in latest and established models = 0.306423 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.306423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.299826Jy sigma=0.001237 ! Fit after self-cal, rms=0.299500Jy sigma=0.001235 ! Inverting map ! Your choice of large map pixels excluded 9.65% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Added new window around map position (-1.2, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0168458 Jy ! Component: 100 - total flux cleaned = 0.020857 Jy ! Total flux subtracted in 100 components = 0.020857 Jy ! Clean residual min=-0.009185 max=0.011035 Jy/beam ! Clean residual mean=-0.000011 rms=0.002105 Jy/beam ! Combined flux in latest and established models = 0.32728 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 0.32728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298064Jy sigma=0.001221 ! Fit after self-cal, rms=0.297806Jy sigma=0.001220 ! Inverting map ! Your choice of large map pixels excluded 9.65% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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 9.65% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.7008 mas, bmaj=0.9272 mas, bpa=-2.6 degrees ! Estimated noise=452.826 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 = 0.0148297 Jy ! Component: 100 - total flux cleaned = 0.0199655 Jy ! Component: 150 - total flux cleaned = 0.0211061 Jy ! Component: 200 - total flux cleaned = 0.0217726 Jy ! Total flux subtracted in 200 components = 0.0217726 Jy ! Clean residual min=-0.005592 max=0.008631 Jy/beam ! Clean residual mean=-0.000003 rms=0.001451 Jy/beam ! Combined flux in latest and established models = 0.349052 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 27 components and 0.349052 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296873Jy sigma=0.001213 ! Fit after self-cal, rms=0.296623Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 9.65% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HH 0.92 HN 1.00* ! KK 1.00* KP 0.98 LA 1.01 MK 1.02 ! NL 1.05 NY 0.88 ON 0.93 OV 1.00 ! PT 0.99 SC 1.00* WZ 0.90 ZC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.91 HN 1.02 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.80 ON 1.01 OV 1.00* ! PT 1.00* SC 1.10 WZ 1.03 ZC 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.00 HH 0.92 HN 1.07 ! KK 1.00* KP 1.02 LA 1.00 MK 1.00* ! NL 0.99 NY 1.00 ON 0.83 OV 1.00* ! PT 1.00 SC 1.06 WZ 0.99 ZC 1.20 ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HH 0.87 HN 1.00* ! KK 1.00* KP 0.96 LA 1.00 MK 1.03 ! NL 1.02 NY 0.84 ON 0.90 OV 0.97 ! PT 0.98 SC 1.00* WZ 0.99 ZC 1.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.81 HN 1.06 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.87 ON 0.91 OV 1.00* ! PT 1.00* SC 1.08 WZ 1.04 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.97 HH 0.88 HN 1.08 ! KK 1.00* KP 0.96 LA 0.98 MK 1.00* ! NL 0.97 NY 0.99 ON 0.87 OV 1.00* ! PT 1.01 SC 1.07 WZ 1.08 ZC 1.20 ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HH 0.88 HN 1.00* ! KK 1.00* KP 1.00 LA 1.04 MK 1.05 ! NL 1.05 NY 0.89 ON 0.90 OV 1.01 ! PT 0.96 SC 1.00* WZ 0.95 ZC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.95 HN 1.01 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.95 ON 0.97 OV 1.00* ! PT 1.00* SC 1.10 WZ 0.94 ZC 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.99 HH 0.89 HN 1.10 ! KK 1.00* KP 1.00 LA 1.00 MK 1.00* ! NL 0.98 NY 1.00 ON 0.85 OV 1.00* ! PT 1.00 SC 1.07 WZ 1.00 ZC 1.20 ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HH 0.81 HN 1.00* ! KK 1.00* KP 0.99 LA 1.03 MK 1.02 ! NL 1.04 NY 0.83 ON 0.94 OV 1.02 ! PT 0.98 SC 1.00* WZ 0.96 ZC 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.87 HN 0.98 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.81 ON 0.88 OV 1.00* ! PT 1.00* SC 1.08 WZ 1.02 ZC 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.00 HH 0.93 HN 1.07 ! KK 1.00* KP 1.01 LA 1.02 MK 1.00* ! NL 0.99 NY 0.99 ON 0.86 OV 1.00* ! PT 0.98 SC 1.09 WZ 1.01 ZC 1.22 ! ! ! Fit before self-cal, rms=0.296623Jy sigma=0.001212 ! Fit after self-cal, rms=0.264646Jy sigma=0.001200 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.7085 mas, bmaj=0.8929 mas, bpa=-1.962 degrees ! Estimated noise=450.069 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 = 0.0031052 Jy ! Component: 100 - total flux cleaned = 0.00332301 Jy ! Component: 150 - total flux cleaned = 0.00307046 Jy ! Component: 200 - total flux cleaned = 0.00285831 Jy ! Total flux subtracted in 200 components = 0.00285831 Jy ! Clean residual min=-0.002643 max=0.003226 Jy/beam ! Clean residual mean=-0.000004 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.351911 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 0.351911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264493Jy sigma=0.001199 ! Fit after self-cal, rms=0.263950Jy sigma=0.001199 ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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=0.263950Jy sigma=0.001199 ! Fit after self-cal, rms=0.262341Jy sigma=0.001198 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.7094 mas, bmaj=0.8875 mas, bpa=-1.627 degrees ! Estimated noise=449.577 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00226851 Jy ! Component: 100 - total flux cleaned = 0.0023746 Jy ! Component: 150 - total flux cleaned = 0.002305 Jy ! Component: 200 - total flux cleaned = 0.00224958 Jy ! Total flux subtracted in 200 components = 0.00224958 Jy ! Clean residual min=-0.002790 max=0.002661 Jy/beam ! Clean residual mean=-0.000002 rms=0.000672 Jy/beam ! Combined flux in latest and established models = 0.35416 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 36 components and 0.35416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262264Jy sigma=0.001198 ! Fit after self-cal, rms=0.262179Jy sigma=0.001198 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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 = 0.000875091 Jy ! Component: 100 - total flux cleaned = 0.000747416 Jy ! Component: 150 - total flux cleaned = 0.000693505 Jy ! Component: 200 - total flux cleaned = 0.000646586 Jy ! Total flux subtracted in 200 components = 0.000646586 Jy ! Clean residual min=-0.002786 max=0.002624 Jy/beam ! Clean residual mean=-0.000002 rms=0.000652 Jy/beam ! Combined flux in latest and established models = 0.354807 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 39 components and 0.354807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262147Jy sigma=0.001197 ! Fit after self-cal, rms=0.262139Jy sigma=0.001197 ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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=0.262139Jy sigma=0.001197 ! Fit after self-cal, rms=0.260531Jy sigma=0.001197 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.7099 mas, bmaj=0.8839 mas, bpa=-1.405 degrees ! Estimated noise=448.978 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149176 Jy ! Component: 100 - total flux cleaned = 0.00155144 Jy ! Component: 150 - total flux cleaned = 0.00155382 Jy ! Component: 200 - total flux cleaned = 0.00159923 Jy ! Total flux subtracted in 200 components = 0.00159923 Jy ! Clean residual min=-0.002754 max=0.002575 Jy/beam ! Clean residual mean=-0.000001 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.356406 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 44 components and 0.356406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260501Jy sigma=0.001197 ! Fit after self-cal, rms=0.260486Jy sigma=0.001197 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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 = 0.000498862 Jy ! Component: 100 - total flux cleaned = 0.000498695 Jy ! Component: 150 - total flux cleaned = 0.000499972 Jy ! Component: 200 - total flux cleaned = 0.000499669 Jy ! Total flux subtracted in 200 components = 0.000499669 Jy ! Clean residual min=-0.002734 max=0.002569 Jy/beam ! Clean residual mean=-0.000001 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.356906 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 45 components and 0.356906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260470Jy sigma=0.001197 ! Fit after self-cal, rms=0.260471Jy sigma=0.001197 ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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=0.260471Jy sigma=0.001197 ! Fit after self-cal, rms=0.259660Jy sigma=0.001197 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=2.577 mas, bmaj=2.677 mas, bpa=79.98 degrees ! Estimated noise=543.853 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00223699 Jy ! Component: 100 - total flux cleaned = 0.00227177 Jy ! Component: 150 - total flux cleaned = 0.0023359 Jy ! Component: 200 - total flux cleaned = 0.00236053 Jy ! Total flux subtracted in 200 components = 0.00236053 Jy ! Clean residual min=-0.002471 max=0.003387 Jy/beam ! Clean residual mean=-0.000001 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 0.359266 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 48 components and 0.359266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259661Jy sigma=0.001197 ! Fit after self-cal, rms=0.259656Jy sigma=0.001197 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-5.2, 6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00309222 Jy ! Component: 100 - total flux cleaned = 0.00479011 Jy ! Component: 150 - total flux cleaned = 0.00518085 Jy ! Component: 200 - total flux cleaned = 0.00538436 Jy ! Total flux subtracted in 200 components = 0.00538436 Jy ! Clean residual min=-0.002197 max=0.001575 Jy/beam ! Clean residual mean=-0.000002 rms=0.000547 Jy/beam ! Combined flux in latest and established models = 0.364651 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 89 components and 0.364651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259654Jy sigma=0.001196 ! Fit after self-cal, rms=0.259651Jy sigma=0.001196 ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.7101 mas, bmaj=0.8815 mas, bpa=-1.282 degrees ! Estimated noise=448.746 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7101 x 0.8815 at -1.282 degrees (North through East) ! Clean map min=-0.0020726 max=0.2693 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 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.5774 mas, bmaj=0.7206 mas, bpa=5.267 degrees ! Estimated noise=1059.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.213124 Jy ! Component: 100 - total flux cleaned = 0.268876 Jy ! Component: 150 - total flux cleaned = 0.299261 Jy ! Component: 200 - total flux cleaned = 0.318211 Jy ! Total flux subtracted in 200 components = 0.318211 Jy ! Clean residual min=-0.006514 max=0.009960 Jy/beam ! Clean residual mean=-0.000019 rms=0.001603 Jy/beam ! Combined flux in latest and established models = 0.318211 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 0.318211 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.7101 mas, bmaj=0.8815 mas, bpa=-1.282 degrees ! Estimated noise=448.746 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 = 0.0183763 Jy ! Component: 100 - total flux cleaned = 0.0280795 Jy ! Component: 150 - total flux cleaned = 0.0337033 Jy ! Component: 200 - total flux cleaned = 0.0373931 Jy ! Total flux subtracted in 200 components = 0.0373931 Jy ! Clean residual min=-0.002808 max=0.002757 Jy/beam ! Clean residual mean=-0.000005 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.355604 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 32 components and 0.355604 Jy ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 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 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=2.577 mas, bmaj=2.677 mas, bpa=79.98 degrees ! Estimated noise=543.853 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.004069 Jy ! Component: 100 - total flux cleaned = 0.0064511 Jy ! Component: 150 - total flux cleaned = 0.00804336 Jy ! Component: 200 - total flux cleaned = 0.00863215 Jy ! Total flux subtracted in 200 components = 0.00863215 Jy ! Clean residual min=-0.002253 max=0.001540 Jy/beam ! Clean residual mean=-0.000003 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.364236 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000377279 Jy ! Component: 100 - total flux cleaned = 0.000633627 Jy ! Component: 150 - total flux cleaned = 0.000861372 Jy ! Component: 200 - total flux cleaned = 0.0010346 Jy ! Total flux subtracted in 200 components = 0.0010346 Jy ! Clean residual min=-0.002105 max=0.001528 Jy/beam ! Clean residual mean=-0.000003 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.365271 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 93 components and 0.365271 Jy ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! Estimated beam: bmin=0.7101 mas, bmaj=0.8815 mas, bpa=-1.282 degrees ! Estimated noise=448.746 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000330041 Jy ! Component: 100 - total flux cleaned = -0.000334726 Jy ! Component: 150 - total flux cleaned = -0.000400859 Jy ! Component: 200 - total flux cleaned = -0.000339909 Jy ! Total flux subtracted in 200 components = -0.000339909 Jy ! Clean residual min=-0.002259 max=0.001963 Jy/beam ! Clean residual mean=-0.000002 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.364931 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 113 components and 0.364931 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259645Jy sigma=0.001196 ! Fit after self-cal, rms=0.259700Jy sigma=0.001196 wmodel J1931+2243_X_2008_04_02_pus_map.mod ! Writing 113 model components to file: J1931+2243_X_2008_04_02_pus_map.mod wobs J1931+2243_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1931+2243_X_2008_04_02_pus_uvs.fits wwins J1931+2243_X_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J1931+2243_X_2008_04_02_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 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000735352 Jy ! Component: 100 - total flux cleaned = -0.00103028 Jy ! Component: 150 - total flux cleaned = -0.001065 Jy ! Component: 200 - total flux cleaned = -0.00113201 Jy ! Component: 250 - total flux cleaned = -0.00109945 Jy ! Component: 300 - total flux cleaned = -0.00116269 Jy ! Component: 350 - total flux cleaned = -0.00119312 Jy ! Component: 400 - total flux cleaned = -0.00119242 Jy ! Component: 450 - total flux cleaned = -0.00122231 Jy ! Component: 500 - total flux cleaned = -0.00125213 Jy ! Component: 550 - total flux cleaned = -0.00131062 Jy ! Component: 600 - total flux cleaned = -0.00133958 Jy ! Component: 650 - total flux cleaned = -0.00142507 Jy ! Component: 700 - total flux cleaned = -0.00139702 Jy ! Component: 750 - total flux cleaned = -0.00148019 Jy ! Component: 800 - total flux cleaned = -0.00148023 Jy ! Component: 850 - total flux cleaned = -0.00145273 Jy ! Component: 900 - total flux cleaned = -0.00145259 Jy ! Component: 950 - total flux cleaned = -0.00150618 Jy ! Component: 1000 - total flux cleaned = -0.00145332 Jy ! Component: 1050 - total flux cleaned = -0.00150574 Jy ! Component: 1100 - total flux cleaned = -0.00147983 Jy ! Component: 1150 - total flux cleaned = -0.00150569 Jy ! Component: 1200 - total flux cleaned = -0.00145483 Jy ! Component: 1250 - total flux cleaned = -0.00150546 Jy ! Component: 1300 - total flux cleaned = -0.00148046 Jy ! Component: 1350 - total flux cleaned = -0.00153019 Jy ! Component: 1400 - total flux cleaned = -0.00145616 Jy ! Component: 1450 - total flux cleaned = -0.00157879 Jy ! Component: 1500 - total flux cleaned = -0.00157857 Jy ! Component: 1550 - total flux cleaned = -0.00162688 Jy ! Component: 1600 - total flux cleaned = -0.00162698 Jy ! Component: 1650 - total flux cleaned = -0.0016987 Jy ! Component: 1700 - total flux cleaned = -0.00167508 Jy ! Component: 1750 - total flux cleaned = -0.00167532 Jy ! Component: 1800 - total flux cleaned = -0.001769 Jy ! Component: 1850 - total flux cleaned = -0.0018154 Jy ! Component: 1900 - total flux cleaned = -0.00183845 Jy ! Component: 1950 - total flux cleaned = -0.0018383 Jy ! Component: 2000 - total flux cleaned = -0.00192961 Jy ! Total flux subtracted in 2048 components = -0.00190682 Jy ! Clean residual min=-0.001350 max=0.001228 Jy/beam ! Clean residual mean=-0.000002 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.363024 Jy keep ! Adding 153 model components to the UV plane model. ! The established model now contains 266 components and 0.363024 Jy wmap "J1931+2243_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7101 x 0.8815 at -1.282 degrees (North through East) ! Clean map min=-0.0018699 max=0.26924 Jy/beam ! Writing clean map to FITS file: J1931+2243_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.269244 invert ! Inverting map ! Your choice of large map pixels excluded 9.66% of the data. ! The x-axis pixel size should ideally be below 0.1696 milli-arcsec ! The y-axis pixel size should ideally be below 0.1701 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000385221 device "J1931+2243_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1931+2243_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.429225 0.429225 0.85845 1.7169 3.4338 6.8676 13.7352 27.4704 54.9408 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.269 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7101 x 0.8815 at -1.282 degrees (North through East) ! Clean map min=-0.0018699 max=0.26924 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1931+2243_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1931+2243_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1931+2243_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:53:16 2010