! Started logfile: J0231+1322_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:16:01 2010 obs J0231+1322_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0231+1322_X_2008_07_09_pus_uva.fits ! AN table 1: 69 integrations on 105 of 105 possible baselines. ! AN table 2: 59 integrations on 105 of 105 possible baselines. ! AN table 3: 49 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0737154 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0231+1322 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1142 lines of history. ! ! Reading 5480 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 757 telescope corrections were flagged in sub-array 1. ! A total of 814 telescope corrections were flagged in sub-array 2. ! A total of 593 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.026446Jy sigma=0.008046 ! Fit after self-cal, rms=0.474030Jy sigma=0.003706 ! 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 1.68% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.632 mas, bmaj=1.41 mas, bpa=-17.23 degrees ! Estimated noise=1758.06 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 = 0.79719 Jy ! Component: 100 - total flux cleaned = 1.10437 Jy ! Total flux subtracted in 100 components = 1.10437 Jy ! Clean residual min=-0.047088 max=0.140282 Jy/beam ! Clean residual mean=0.001013 rms=0.019287 Jy/beam ! Combined flux in latest and established models = 1.10437 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.10437 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330334Jy sigma=0.002685 ! Fit after self-cal, rms=0.329406Jy sigma=0.002681 ! Inverting map ! Your choice of large map pixels excluded 1.68% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.157189 Jy ! Component: 100 - total flux cleaned = 0.248132 Jy ! Total flux subtracted in 100 components = 0.248132 Jy ! Clean residual min=-0.026875 max=0.049638 Jy/beam ! Clean residual mean=0.000566 rms=0.010362 Jy/beam ! Combined flux in latest and established models = 1.3525 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 26 components and 1.3525 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245117Jy sigma=0.001773 ! Fit after self-cal, rms=0.244922Jy sigma=0.001772 ! Inverting map ! Your choice of large map pixels excluded 1.68% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 1.68% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6891 mas, bmaj=1.444 mas, bpa=-18.03 degrees ! Estimated noise=1286.73 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 = 0.0678047 Jy ! Component: 100 - total flux cleaned = 0.106732 Jy ! Component: 150 - total flux cleaned = 0.130041 Jy ! Component: 200 - total flux cleaned = 0.144937 Jy ! Total flux subtracted in 200 components = 0.144937 Jy ! Clean residual min=-0.024079 max=0.029817 Jy/beam ! Clean residual mean=0.000311 rms=0.006196 Jy/beam ! Combined flux in latest and established models = 1.49744 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 33 components and 1.49744 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229202Jy sigma=0.001557 ! Fit after self-cal, rms=0.229186Jy sigma=0.001556 ! Inverting map ! Your choice of large map pixels excluded 1.68% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.99 HH 1.00* HN 1.06 ! KK 1.05 KP 1.02 LA 0.96 MK 0.96 ! NL 0.99 NY 1.02 ON 1.00* PT 0.99 ! SC 0.87 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.07 ON 1.13 PT 1.00* ! SC 1.00* WZ 1.08 ZC 1.04 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.04 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.02 ON 0.94 PT 1.00* ! SC 0.95 WZ 0.97 ZC 1.14 ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HH 1.00* HN 1.00 ! KK 1.05 KP 0.98 LA 0.95 MK 0.95 ! NL 0.98 NY 1.10 ON 1.00* PT 0.99 ! SC 1.49 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.12 ON 1.05 PT 1.00* ! SC 1.00* WZ 1.07 ZC 1.06 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 0.93 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 0.96 PT 1.00* ! SC 0.98 WZ 1.04 ZC 1.09 ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HH 1.00* HN 0.99 ! KK 1.04 KP 1.01 LA 0.98 MK 0.97 ! NL 1.02 NY 1.08 ON 1.00* PT 1.00 ! SC 1.40 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 1.07 PT 1.00* ! SC 1.00* WZ 1.15 ZC 1.10 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 0.96 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 0.89 PT 1.00* ! SC 1.00 WZ 1.07 ZC 1.10 ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HH 1.00* HN 0.98 ! KK 1.01 KP 1.01 LA 0.98 MK 1.03 ! NL 1.02 NY 1.09 ON 1.00* PT 1.04 ! SC 0.95 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.15 ON 1.08 PT 1.00* ! SC 1.00* WZ 1.13 ZC 1.10 ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.10 ON 0.91 PT 1.00* ! SC 1.00 WZ 1.02 ZC 1.16 ! ! ! Fit before self-cal, rms=0.229186Jy sigma=0.001556 ! Fit after self-cal, rms=0.219059Jy sigma=0.001378 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6986 mas, bmaj=1.483 mas, bpa=-17.29 degrees ! Estimated noise=1307.68 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 (1.2, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115208 Jy ! Component: 100 - total flux cleaned = 0.0119179 Jy ! Component: 150 - total flux cleaned = 0.0133199 Jy ! Component: 200 - total flux cleaned = 0.0139372 Jy ! Total flux subtracted in 200 components = 0.0139372 Jy ! Clean residual min=-0.010468 max=0.012291 Jy/beam ! Clean residual mean=0.000056 rms=0.002881 Jy/beam ! Combined flux in latest and established models = 1.51137 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 45 components and 1.51137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217183Jy sigma=0.001359 ! Fit after self-cal, rms=0.217141Jy sigma=0.001357 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.217141Jy sigma=0.001357 ! Fit after self-cal, rms=0.216493Jy sigma=0.001340 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6973 mas, bmaj=1.484 mas, bpa=-17.32 degrees ! Estimated noise=1308.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0058466 Jy ! Component: 100 - total flux cleaned = 0.00665398 Jy ! Component: 150 - total flux cleaned = 0.00641466 Jy ! Component: 200 - total flux cleaned = 0.00620064 Jy ! Total flux subtracted in 200 components = 0.00620064 Jy ! Clean residual min=-0.007650 max=0.009009 Jy/beam ! Clean residual mean=0.000009 rms=0.002132 Jy/beam ! Combined flux in latest and established models = 1.51757 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 56 components and 1.51758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215759Jy sigma=0.001333 ! Fit after self-cal, rms=0.215722Jy sigma=0.001333 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = 0.00141351 Jy ! Component: 100 - total flux cleaned = 0.00106658 Jy ! Component: 150 - total flux cleaned = 0.000906859 Jy ! Component: 200 - total flux cleaned = 0.000753572 Jy ! Total flux subtracted in 200 components = 0.000753572 Jy ! Clean residual min=-0.007332 max=0.008653 Jy/beam ! Clean residual mean=0.000008 rms=0.002029 Jy/beam ! Combined flux in latest and established models = 1.51833 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 60 components and 1.51833 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215426Jy sigma=0.001330 ! Fit after self-cal, rms=0.215410Jy sigma=0.001330 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.215410Jy sigma=0.001330 ! Fit after self-cal, rms=0.215420Jy sigma=0.001325 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6961 mas, bmaj=1.485 mas, bpa=-17.32 degrees ! Estimated noise=1308.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00240846 Jy ! Component: 100 - total flux cleaned = 0.00272541 Jy ! Component: 150 - total flux cleaned = 0.00285733 Jy ! Component: 200 - total flux cleaned = 0.00272489 Jy ! Total flux subtracted in 200 components = 0.00272489 Jy ! Clean residual min=-0.006847 max=0.007196 Jy/beam ! Clean residual mean=0.000024 rms=0.001748 Jy/beam ! Combined flux in latest and established models = 1.52105 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 63 components and 1.52105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215187Jy sigma=0.001323 ! Fit after self-cal, rms=0.215177Jy sigma=0.001322 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = 0.000299984 Jy ! Component: 100 - total flux cleaned = 0.000186854 Jy ! Component: 150 - total flux cleaned = 8.5255e-05 Jy ! Component: 200 - total flux cleaned = 8.84854e-05 Jy ! Total flux subtracted in 200 components = 8.84854e-05 Jy ! Clean residual min=-0.006686 max=0.007027 Jy/beam ! Clean residual mean=0.000024 rms=0.001708 Jy/beam ! Combined flux in latest and established models = 1.52114 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 67 components and 1.52114 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215056Jy sigma=0.001322 ! Fit after self-cal, rms=0.215049Jy sigma=0.001321 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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=0.215049Jy sigma=0.001321 ! Fit after self-cal, rms=0.215218Jy sigma=0.001321 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=2.082 mas, bmaj=2.481 mas, bpa=-7.919 degrees ! Estimated noise=1806.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000531391 Jy ! Component: 100 - total flux cleaned = 0.000593049 Jy ! Component: 150 - total flux cleaned = 0.000535255 Jy ! Component: 200 - total flux cleaned = 0.000357062 Jy ! Total flux subtracted in 200 components = 0.000357062 Jy ! Clean residual min=-0.005879 max=0.006693 Jy/beam ! Clean residual mean=0.000105 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 1.5215 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 77 components and 1.5215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215203Jy sigma=0.001321 ! Fit after self-cal, rms=0.215197Jy sigma=0.001321 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 = -1.2565e-05 Jy ! Component: 100 - total flux cleaned = 0.000268294 Jy ! Component: 150 - total flux cleaned = 0.000226361 Jy ! Component: 200 - total flux cleaned = 0.000148463 Jy ! Total flux subtracted in 200 components = 0.000148463 Jy ! Clean residual min=-0.005908 max=0.006568 Jy/beam ! Clean residual mean=0.000103 rms=0.001831 Jy/beam ! Combined flux in latest and established models = 1.52165 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 80 components and 1.52165 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215220Jy sigma=0.001321 ! Fit after self-cal, rms=0.215222Jy sigma=0.001321 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6959 mas, bmaj=1.486 mas, bpa=-17.31 degrees ! Estimated noise=1308.91 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6959 x 1.486 at -17.31 degrees (North through East) ! Clean map min=-0.0060755 max=1.0445 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=0.215222Jy sigma=0.001321 ! Fit after self-cal, rms=0.208051Jy sigma=0.001115 ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6943 mas, bmaj=1.488 mas, bpa=-17.42 degrees ! Estimated noise=1306.39 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135371 Jy ! Component: 100 - total flux cleaned = 0.00159902 Jy ! Component: 150 - total flux cleaned = 0.00160103 Jy ! Component: 200 - total flux cleaned = 0.00178075 Jy ! Total flux subtracted in 200 components = 0.00178075 Jy ! Clean residual min=-0.005840 max=0.005711 Jy/beam ! Clean residual mean=0.000034 rms=0.001577 Jy/beam ! Combined flux in latest and established models = 1.52343 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 84 components and 1.52343 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207886Jy sigma=0.001114 ! Fit after self-cal, rms=0.207884Jy sigma=0.001114 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000341787 Jy ! Component: 100 - total flux cleaned = 0.000497244 Jy ! Component: 150 - total flux cleaned = 0.000643639 Jy ! Component: 200 - total flux cleaned = 0.000852367 Jy ! Total flux subtracted in 200 components = 0.000852367 Jy ! Clean residual min=-0.005833 max=0.005700 Jy/beam ! Clean residual mean=0.000034 rms=0.001559 Jy/beam ! Combined flux in latest and established models = 1.52428 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 89 components and 1.52428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207810Jy sigma=0.001113 ! Fit after self-cal, rms=0.207806Jy sigma=0.001113 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207806Jy sigma=0.001113 ! Fit after self-cal, rms=0.209697Jy sigma=0.001113 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6302 mas, bmaj=1.456 mas, bpa=-17.28 degrees ! Estimated noise=1785.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.805537 Jy ! Component: 100 - total flux cleaned = 1.11877 Jy ! Component: 150 - total flux cleaned = 1.27491 Jy ! Component: 200 - total flux cleaned = 1.35602 Jy ! Total flux subtracted in 200 components = 1.35602 Jy ! Clean residual min=-0.017521 max=0.039391 Jy/beam ! Clean residual mean=0.000381 rms=0.006663 Jy/beam ! Combined flux in latest and established models = 1.35602 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 15 model components to the UV plane model. ! The established model now contains 15 components and 1.35602 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6935 mas, bmaj=1.488 mas, bpa=-17.38 degrees ! Estimated noise=1305.96 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 = 0.0594584 Jy ! Component: 100 - total flux cleaned = 0.095708 Jy ! Component: 150 - total flux cleaned = 0.1202 Jy ! Component: 200 - total flux cleaned = 0.137267 Jy ! Total flux subtracted in 200 components = 0.137267 Jy ! Clean residual min=-0.008080 max=0.010078 Jy/beam ! Clean residual mean=0.000105 rms=0.002607 Jy/beam ! Combined flux in latest and established models = 1.49328 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 35 components and 1.49328 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 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 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=2.08 mas, bmaj=2.484 mas, bpa=-8.095 degrees ! Estimated noise=1806.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.017387 Jy ! Component: 100 - total flux cleaned = 0.0253291 Jy ! Component: 150 - total flux cleaned = 0.0286144 Jy ! Component: 200 - total flux cleaned = 0.0292873 Jy ! Total flux subtracted in 200 components = 0.0292873 Jy ! Clean residual min=-0.004792 max=0.005714 Jy/beam ! Clean residual mean=0.000123 rms=0.001708 Jy/beam ! Combined flux in latest and established models = 1.52257 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 = 0.000607702 Jy ! Component: 100 - total flux cleaned = 0.00101169 Jy ! Component: 150 - total flux cleaned = 0.00123237 Jy ! Component: 200 - total flux cleaned = 0.00141515 Jy ! Total flux subtracted in 200 components = 0.00141515 Jy ! Clean residual min=-0.004613 max=0.006079 Jy/beam ! Clean residual mean=0.000110 rms=0.001679 Jy/beam ! Combined flux in latest and established models = 1.52399 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 64 components and 1.52399 Jy ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! Estimated beam: bmin=0.6935 mas, bmaj=1.488 mas, bpa=-17.38 degrees ! Estimated noise=1305.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00281001 Jy ! Component: 100 - total flux cleaned = -0.00165273 Jy ! Component: 150 - total flux cleaned = -0.000612205 Jy ! Component: 200 - total flux cleaned = -0.000138152 Jy ! Total flux subtracted in 200 components = -0.000138152 Jy ! Clean residual min=-0.006545 max=0.007331 Jy/beam ! Clean residual mean=0.000035 rms=0.001909 Jy/beam ! Combined flux in latest and established models = 1.52385 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 75 components and 1.52385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210034Jy sigma=0.001121 ! Fit after self-cal, rms=0.209855Jy sigma=0.001120 wmodel J0231+1322_X_2008_07_09_pus_map.mod ! Writing 75 model components to file: J0231+1322_X_2008_07_09_pus_map.mod wobs J0231+1322_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0231+1322_X_2008_07_09_pus_uvs.fits wwins J0231+1322_X_2008_07_09_pus_map.win ! wwins: Wrote 2 windows to J0231+1322_X_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00195534 Jy ! Component: 100 - total flux cleaned = 0.00289655 Jy ! Component: 150 - total flux cleaned = 0.00289905 Jy ! Component: 200 - total flux cleaned = 0.00290099 Jy ! Component: 250 - total flux cleaned = 0.00300668 Jy ! Component: 300 - total flux cleaned = 0.00320927 Jy ! Component: 350 - total flux cleaned = 0.00321065 Jy ! Component: 400 - total flux cleaned = 0.00302028 Jy ! Component: 450 - total flux cleaned = 0.00302102 Jy ! Component: 500 - total flux cleaned = 0.00283723 Jy ! Component: 550 - total flux cleaned = 0.00274765 Jy ! Component: 600 - total flux cleaned = 0.00265712 Jy ! Component: 650 - total flux cleaned = 0.00222542 Jy ! Component: 700 - total flux cleaned = 0.00197052 Jy ! Component: 750 - total flux cleaned = 0.00180552 Jy ! Component: 800 - total flux cleaned = 0.00164362 Jy ! Component: 850 - total flux cleaned = 0.00180375 Jy ! Component: 900 - total flux cleaned = 0.0018826 Jy ! Component: 950 - total flux cleaned = 0.00211288 Jy ! Component: 1000 - total flux cleaned = 0.00188083 Jy ! Total flux subtracted in 1024 components = 0.00195647 Jy ! Clean residual min=-0.004417 max=0.004007 Jy/beam ! Clean residual mean=0.000031 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 1.5258 Jy keep ! Adding 77 model components to the UV plane model. ! The established model now contains 152 components and 1.5258 Jy wmap "J0231+1322_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6935 x 1.488 at -17.38 degrees (North through East) ! Clean map min=-0.0053573 max=1.0441 Jy/beam ! Writing clean map to FITS file: J0231+1322_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.04413 invert ! Inverting map ! Your choice of large map pixels excluded 1.76% of the data. ! The x-axis pixel size should ideally be below 0.1909 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00142883 device "J0231+1322_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0231+1322_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.410533 0.410533 0.821066 1.64213 3.28426 6.56853 13.1371 26.2741 52.5482 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0042 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.044 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6935 x 1.488 at -17.38 degrees (North through East) ! Clean map min=-0.0053573 max=1.0441 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0231+1322_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0231+1322_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0231+1322_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:16:03 2010