! Started logfile: J1127-1857_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:18:02 2010 obs J1127-1857_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1127-1857_X_2008_07_09_pus_uva.fits ! AN table 1: 13 integrations on 105 of 105 possible baselines. ! AN table 2: 15 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.171088 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1127-1857 ! ! 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 2012 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 159 telescope corrections were flagged in sub-array 1. ! A total of 105 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 159 telescope corrections were flagged in sub-array 1. ! A total of 105 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 159 telescope corrections were flagged in sub-array 1. ! A total of 105 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 159 telescope corrections were flagged in sub-array 1. ! A total of 105 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.068164Jy sigma=0.008306 ! Fit after self-cal, rms=0.863941Jy sigma=0.007281 ! 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 1.5% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.6398 mas, bmaj=1.794 mas, bpa=-6.867 degrees ! Estimated noise=2484.2 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 = 1.39379 Jy ! Component: 100 - total flux cleaned = 1.72159 Jy ! Total flux subtracted in 100 components = 1.72159 Jy ! Clean residual min=-0.063400 max=0.141606 Jy/beam ! Clean residual mean=0.000926 rms=0.024770 Jy/beam ! Combined flux in latest and established models = 1.72159 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.72159 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342726Jy sigma=0.002698 ! Fit after self-cal, rms=0.342737Jy sigma=0.002698 ! Inverting map ! Your choice of large map pixels excluded 1.5% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 1.5% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7482 mas, bmaj=2.205 mas, bpa=-9.774 degrees ! Estimated noise=2040 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 (8.4, -12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.16954 Jy ! Component: 100 - total flux cleaned = 0.253308 Jy ! Component: 150 - total flux cleaned = 0.29734 Jy ! Component: 200 - total flux cleaned = 0.316168 Jy ! Total flux subtracted in 200 components = 0.316168 Jy ! Clean residual min=-0.042483 max=0.065809 Jy/beam ! Clean residual mean=-0.000361 rms=0.011592 Jy/beam ! Combined flux in latest and established models = 2.03775 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 35 components and 2.03776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264564Jy sigma=0.001920 ! Fit after self-cal, rms=0.261659Jy sigma=0.001886 ! Inverting map ! Your choice of large map pixels excluded 1.5% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.05 HH 1.00* HN 1.07 ! KK 1.14 KP 1.00 LA 0.95 MK 0.96 ! NL 0.94 NY 1.00* ON 1.00* PT 0.98 ! SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.02 HH 1.00* HN 0.99 ! KK 1.13 KP 0.96 LA 0.94 MK 0.97 ! NL 0.93 NY 1.00* ON 1.00* PT 0.99 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.02 HH 1.00* HN 1.01 ! KK 1.11 KP 0.99 LA 0.97 MK 0.96 ! NL 0.98 NY 1.00* ON 1.00* PT 0.97 ! SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.02 HH 1.00* HN 0.99 ! KK 1.11 KP 0.99 LA 0.96 MK 1.00 ! NL 0.96 NY 1.00* ON 1.00* PT 1.02 ! SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.261659Jy sigma=0.001886 ! Fit after self-cal, rms=0.219840Jy sigma=0.001600 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7426 mas, bmaj=2.169 mas, bpa=-9.995 degrees ! Estimated noise=2070.61 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 = -0.0155107 Jy ! Component: 100 - total flux cleaned = -0.0198686 Jy ! Component: 150 - total flux cleaned = -0.0211262 Jy ! Component: 200 - total flux cleaned = -0.0219576 Jy ! Total flux subtracted in 200 components = -0.0219576 Jy ! Clean residual min=-0.018948 max=0.013698 Jy/beam ! Clean residual mean=-0.000571 rms=0.004296 Jy/beam ! Combined flux in latest and established models = 2.0158 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 47 components and 2.0158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218375Jy sigma=0.001589 ! Fit after self-cal, rms=0.218244Jy sigma=0.001588 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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=0.218244Jy sigma=0.001588 ! Fit after self-cal, rms=0.218567Jy sigma=0.001586 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7436 mas, bmaj=2.172 mas, bpa=-10.01 degrees ! Estimated noise=2068.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.010418 Jy ! Component: 100 - total flux cleaned = -0.0124572 Jy ! Component: 150 - total flux cleaned = -0.0132052 Jy ! Component: 200 - total flux cleaned = -0.0136519 Jy ! Total flux subtracted in 200 components = -0.0136519 Jy ! Clean residual min=-0.017381 max=0.013307 Jy/beam ! Clean residual mean=-0.000508 rms=0.003897 Jy/beam ! Combined flux in latest and established models = 2.00215 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 52 components and 2.00215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217724Jy sigma=0.001580 ! Fit after self-cal, rms=0.217601Jy sigma=0.001579 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 = -0.00237256 Jy ! Component: 100 - total flux cleaned = -0.00296344 Jy ! Component: 150 - total flux cleaned = -0.00331408 Jy ! Component: 200 - total flux cleaned = -0.00363934 Jy ! Total flux subtracted in 200 components = -0.00363934 Jy ! Clean residual min=-0.016634 max=0.013116 Jy/beam ! Clean residual mean=-0.000477 rms=0.003723 Jy/beam ! Combined flux in latest and established models = 1.99851 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 58 components and 1.99851 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217310Jy sigma=0.001577 ! Fit after self-cal, rms=0.217244Jy sigma=0.001576 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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=0.217244Jy sigma=0.001576 ! Fit after self-cal, rms=0.217829Jy sigma=0.001575 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7446 mas, bmaj=2.174 mas, bpa=-9.993 degrees ! Estimated noise=2068.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00775733 Jy ! Component: 100 - total flux cleaned = -0.00839033 Jy ! Component: 150 - total flux cleaned = -0.0087535 Jy ! Component: 200 - total flux cleaned = -0.00924943 Jy ! Total flux subtracted in 200 components = -0.00924943 Jy ! Clean residual min=-0.015899 max=0.012493 Jy/beam ! Clean residual mean=-0.000415 rms=0.003489 Jy/beam ! Combined flux in latest and established models = 1.98926 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 60 components and 1.98926 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217323Jy sigma=0.001571 ! Fit after self-cal, rms=0.217241Jy sigma=0.001571 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 = -0.00217794 Jy ! Component: 100 - total flux cleaned = -0.00263122 Jy ! Component: 150 - total flux cleaned = -0.00305723 Jy ! Component: 200 - total flux cleaned = -0.00332375 Jy ! Total flux subtracted in 200 components = -0.00332375 Jy ! Clean residual min=-0.015461 max=0.012232 Jy/beam ! Clean residual mean=-0.000391 rms=0.003372 Jy/beam ! Combined flux in latest and established models = 1.98593 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 62 components and 1.98593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217069Jy sigma=0.001569 ! Fit after self-cal, rms=0.217021Jy sigma=0.001569 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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=0.217021Jy sigma=0.001569 ! Fit after self-cal, rms=0.217475Jy sigma=0.001568 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=2.215 mas, bmaj=4.569 mas, bpa=2.306 degrees ! Estimated noise=2689.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00773609 Jy ! Component: 100 - total flux cleaned = -0.0116978 Jy ! Component: 150 - total flux cleaned = -0.0139918 Jy ! Component: 200 - total flux cleaned = -0.014723 Jy ! Total flux subtracted in 200 components = -0.014723 Jy ! Clean residual min=-0.012648 max=0.011241 Jy/beam ! Clean residual mean=-0.000565 rms=0.004196 Jy/beam ! Combined flux in latest and established models = 1.97121 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 66 components and 1.97121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217351Jy sigma=0.001568 ! Fit after self-cal, rms=0.217332Jy sigma=0.001568 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 = -0.00187328 Jy ! Component: 100 - total flux cleaned = -0.00205108 Jy ! Component: 150 - total flux cleaned = -0.00224661 Jy ! Component: 200 - total flux cleaned = -0.00234013 Jy ! Total flux subtracted in 200 components = -0.00234013 Jy ! Clean residual min=-0.012397 max=0.011489 Jy/beam ! Clean residual mean=-0.000527 rms=0.004130 Jy/beam ! Combined flux in latest and established models = 1.96887 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 72 components and 1.96887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217309Jy sigma=0.001568 ! Fit after self-cal, rms=0.217302Jy sigma=0.001568 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7455 mas, bmaj=2.176 mas, bpa=-9.981 degrees ! Estimated noise=2067.1 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7455 x 2.176 at -9.981 degrees (North through East) ! Clean map min=-0.015381 max=1.7731 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=0.217302Jy sigma=0.001568 ! Fit after self-cal, rms=0.175180Jy sigma=0.001154 ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7463 mas, bmaj=2.179 mas, bpa=-9.988 degrees ! Estimated noise=2065.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00216545 Jy ! Component: 100 - total flux cleaned = -0.00198297 Jy ! Component: 150 - total flux cleaned = -0.00166172 Jy ! Component: 200 - total flux cleaned = -0.00120903 Jy ! Total flux subtracted in 200 components = -0.00120903 Jy ! Clean residual min=-0.009456 max=0.009008 Jy/beam ! Clean residual mean=-0.000447 rms=0.002623 Jy/beam ! Combined flux in latest and established models = 1.96766 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 74 components and 1.96766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174773Jy sigma=0.001150 ! Fit after self-cal, rms=0.174757Jy sigma=0.001150 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000194898 Jy ! Component: 100 - total flux cleaned = 0.000706592 Jy ! Component: 150 - total flux cleaned = 0.00118334 Jy ! Component: 200 - total flux cleaned = 0.00152459 Jy ! Total flux subtracted in 200 components = 0.00152459 Jy ! Clean residual min=-0.009313 max=0.008567 Jy/beam ! Clean residual mean=-0.000473 rms=0.002547 Jy/beam ! Combined flux in latest and established models = 1.96919 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 80 components and 1.96918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174571Jy sigma=0.001149 ! Fit after self-cal, rms=0.174574Jy sigma=0.001149 ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174574Jy sigma=0.001149 ! Fit after self-cal, rms=0.174961Jy sigma=0.001148 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 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.6411 mas, bmaj=1.792 mas, bpa=-7 degrees ! Estimated noise=2512.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.39543 Jy ! Component: 100 - total flux cleaned = 1.71519 Jy ! Component: 150 - total flux cleaned = 1.8373 Jy ! Component: 200 - total flux cleaned = 1.90166 Jy ! Total flux subtracted in 200 components = 1.90166 Jy ! Clean residual min=-0.029075 max=0.031521 Jy/beam ! Clean residual mean=0.000089 rms=0.007713 Jy/beam ! Combined flux in latest and established models = 1.90166 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.90166 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7467 mas, bmaj=2.179 mas, bpa=-9.971 degrees ! Estimated noise=2064.37 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 = 0.0421475 Jy ! Component: 100 - total flux cleaned = 0.0638134 Jy ! Component: 150 - total flux cleaned = 0.0755955 Jy ! Component: 200 - total flux cleaned = 0.0780396 Jy ! Total flux subtracted in 200 components = 0.0780396 Jy ! Clean residual min=-0.013499 max=0.009488 Jy/beam ! Clean residual mean=-0.000601 rms=0.002932 Jy/beam ! Combined flux in latest and established models = 1.9797 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 46 components and 1.9797 Jy ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 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 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=2.216 mas, bmaj=4.569 mas, bpa=2.284 degrees ! Estimated noise=2681.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010147 Jy ! Component: 100 - total flux cleaned = -0.00193123 Jy ! Component: 150 - total flux cleaned = -0.00257101 Jy ! Component: 200 - total flux cleaned = -0.00300538 Jy ! Total flux subtracted in 200 components = -0.00300538 Jy ! Clean residual min=-0.011393 max=0.006610 Jy/beam ! Clean residual mean=-0.001334 rms=0.003263 Jy/beam ! Combined flux in latest and established models = 1.97669 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 = -0.000399375 Jy ! Component: 100 - total flux cleaned = -0.000890367 Jy ! Component: 150 - total flux cleaned = -0.00122145 Jy ! Component: 200 - total flux cleaned = -0.00152607 Jy ! Total flux subtracted in 200 components = -0.00152607 Jy ! Clean residual min=-0.010846 max=0.006403 Jy/beam ! Clean residual mean=-0.001277 rms=0.003065 Jy/beam ! Combined flux in latest and established models = 1.97517 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 62 components and 1.97517 Jy ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! Estimated beam: bmin=0.7467 mas, bmaj=2.179 mas, bpa=-9.971 degrees ! Estimated noise=2064.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000636845 Jy ! Component: 100 - total flux cleaned = 0.000498157 Jy ! Component: 150 - total flux cleaned = 0.000247426 Jy ! Component: 200 - total flux cleaned = 0.00024225 Jy ! Total flux subtracted in 200 components = 0.00024225 Jy ! Clean residual min=-0.011205 max=0.008680 Jy/beam ! Clean residual mean=-0.000542 rms=0.002539 Jy/beam ! Combined flux in latest and established models = 1.97541 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 74 components and 1.97541 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175615Jy sigma=0.001149 ! Fit after self-cal, rms=0.175536Jy sigma=0.001148 wmodel J1127-1857_X_2008_07_09_pus_map.mod ! Writing 74 model components to file: J1127-1857_X_2008_07_09_pus_map.mod wobs J1127-1857_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1127-1857_X_2008_07_09_pus_uvs.fits wwins J1127-1857_X_2008_07_09_pus_map.win ! wwins: Wrote 2 windows to J1127-1857_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 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00377922 Jy ! Component: 100 - total flux cleaned = -0.00487748 Jy ! Component: 150 - total flux cleaned = -0.00587631 Jy ! Component: 200 - total flux cleaned = -0.00721156 Jy ! Component: 250 - total flux cleaned = -0.00847441 Jy ! Component: 300 - total flux cleaned = -0.00931003 Jy ! Component: 350 - total flux cleaned = -0.0101009 Jy ! Component: 400 - total flux cleaned = -0.0110735 Jy ! Component: 450 - total flux cleaned = -0.011799 Jy ! Component: 500 - total flux cleaned = -0.0127012 Jy ! Component: 550 - total flux cleaned = -0.0136693 Jy ! Component: 600 - total flux cleaned = -0.0146997 Jy ! Component: 650 - total flux cleaned = -0.0154254 Jy ! Component: 700 - total flux cleaned = -0.0160439 Jy ! Component: 750 - total flux cleaned = -0.0166496 Jy ! Component: 800 - total flux cleaned = -0.0171582 Jy ! Component: 850 - total flux cleaned = -0.0177365 Jy ! Component: 900 - total flux cleaned = -0.0180595 Jy ! Component: 950 - total flux cleaned = -0.0185345 Jy ! Component: 1000 - total flux cleaned = -0.0189209 Jy ! Total flux subtracted in 1024 components = -0.019073 Jy ! Clean residual min=-0.003836 max=0.003899 Jy/beam ! Clean residual mean=-0.000343 rms=0.001448 Jy/beam ! Combined flux in latest and established models = 1.95634 Jy keep ! Adding 53 model components to the UV plane model. ! The established model now contains 127 components and 1.95634 Jy wmap "J1127-1857_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7467 x 2.179 at -9.971 degrees (North through East) ! Clean map min=-0.0070109 max=1.7789 Jy/beam ! Writing clean map to FITS file: J1127-1857_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 1.7789 invert ! Inverting map ! Your choice of large map pixels excluded 1.64% of the data. ! The x-axis pixel size should ideally be below 0.1915 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00144202 device "J1127-1857_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1127-1857_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.243187 0.243187 0.486374 0.972748 1.9455 3.89099 7.78198 15.564 31.1279 62.2558 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0043 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.778 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7467 x 2.179 at -9.971 degrees (North through East) ! Clean map min=-0.0070109 max=1.7789 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1127-1857_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1127-1857_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1127-1857_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:18:03 2010