! Started logfile: J1924-2914_X_2008_04_02_pus_uvs.log on Sun Feb 21 18:27:27 2010 obs J1924-2914_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1924-2914_X_2008_04_02_pus_uva.fits ! AN table 1: 32 integrations on 120 of 120 possible baselines. ! AN table 2: 146 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0728464 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 6224 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 284 telescope corrections were flagged in sub-array 1. ! A total of 2089 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 284 telescope corrections were flagged in sub-array 1. ! A total of 2122 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 284 telescope corrections were flagged in sub-array 1. ! A total of 2089 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 284 telescope corrections were flagged in sub-array 1. ! A total of 2089 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=6.589859Jy sigma=0.056379 ! Fit after self-cal, rms=6.277503Jy sigma=0.054590 ! 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 0.45% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.7084 mas, bmaj=1.81 mas, bpa=-0.9037 degrees ! Estimated noise=2068.56 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 = 5.18441 Jy ! Component: 100 - total flux cleaned = 6.37088 Jy ! Total flux subtracted in 100 components = 6.37088 Jy ! Clean residual min=-0.200847 max=0.448291 Jy/beam ! Clean residual mean=0.013798 rms=0.076692 Jy/beam ! Combined flux in latest and established models = 6.37088 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 6.37088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.456446Jy sigma=0.012898 ! Fit after self-cal, rms=1.456014Jy sigma=0.012896 ! Inverting map ! Your choice of large map pixels excluded 0.45% of the data. ! The x-axis pixel size should ideally be below 0.1921 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 0.45% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.9734 mas, bmaj=2.79 mas, bpa=-6.181 degrees ! Estimated noise=1110.24 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 = 0.925076 Jy ! Component: 100 - total flux cleaned = 1.36409 Jy ! Component: 150 - total flux cleaned = 1.58022 Jy ! Component: 200 - total flux cleaned = 1.68832 Jy ! Total flux subtracted in 200 components = 1.68832 Jy ! Clean residual min=-0.147511 max=0.337559 Jy/beam ! Clean residual mean=0.020590 rms=0.070686 Jy/beam ! Combined flux in latest and established models = 8.05921 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 23 components and 8.05921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.838892Jy sigma=0.006892 ! Fit after self-cal, rms=0.838594Jy sigma=0.006888 ! Inverting map ! Your choice of large map pixels excluded 0.45% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HH 1.00* HN 1.00* ! KK 0.95 KP 0.99 LA 0.99 MK 0.95 ! NL 1.11 NY 1.00* ON 1.00* OV 0.98 ! PT 0.98 SC 1.05 WZ 1.00* ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.11 ! KK 1.00* KP 1.04 LA 1.05 MK 1.00* ! NL 1.17 NY 1.00* ON 1.00* OV 1.02 ! PT 1.01 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.95 HH 1.00* HN 1.00* ! KK 0.95 KP 0.94 LA 0.97 MK 0.94 ! NL 1.08 NY 1.00* ON 1.00* OV 0.96 ! PT 0.97 SC 1.08 WZ 1.00* ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 HH 1.00* HN 1.11 ! KK 1.00* KP 0.98 LA 1.03 MK 1.00* ! NL 1.13 NY 1.00* ON 1.00* OV 0.99 ! PT 1.01 SC 1.07 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HH 1.00* HN 1.00* ! KK 1.01 KP 0.97 LA 1.00 MK 0.96 ! NL 1.09 NY 1.00* ON 1.00* OV 0.99 ! PT 0.97 SC 1.09 WZ 1.00* ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 HH 1.00* HN 1.09 ! KK 1.00* KP 1.01 LA 1.06 MK 1.00* ! NL 1.13 NY 1.00* ON 1.00* OV 1.02 ! PT 1.01 SC 1.09 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 HH 1.00* HN 1.00* ! KK 0.98 KP 0.96 LA 0.99 MK 0.98 ! NL 1.10 NY 1.00* ON 1.00* OV 0.98 ! PT 0.95 SC 1.17 WZ 1.00* ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 HH 1.00* HN 1.08 ! KK 1.00* KP 1.00 LA 1.04 MK 1.00* ! NL 1.13 NY 1.00* ON 1.00* OV 1.00 ! PT 1.00 SC 1.12 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.838594Jy sigma=0.006888 ! Fit after self-cal, rms=0.550125Jy sigma=0.004480 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.9655 mas, bmaj=3.239 mas, bpa=-6.196 degrees ! Estimated noise=1124.42 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 = -0.0135892 Jy ! Component: 100 - total flux cleaned = -0.0134985 Jy ! Component: 150 - total flux cleaned = -0.0134879 Jy ! Component: 200 - total flux cleaned = -0.0132116 Jy ! Total flux subtracted in 200 components = -0.0132116 Jy ! Clean residual min=-0.080901 max=0.198708 Jy/beam ! Clean residual mean=0.013826 rms=0.046267 Jy/beam ! Combined flux in latest and established models = 8.04599 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 26 components and 8.04599 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.535394Jy sigma=0.004377 ! Fit after self-cal, rms=0.535375Jy sigma=0.004372 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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=0.535375Jy sigma=0.004372 ! Fit after self-cal, rms=0.520519Jy sigma=0.004251 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.967 mas, bmaj=3.239 mas, bpa=-6.049 degrees ! Estimated noise=1126.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000752413 Jy ! Component: 100 - total flux cleaned = 0.00373978 Jy ! Component: 150 - total flux cleaned = 0.0037063 Jy ! Component: 200 - total flux cleaned = 0.00486675 Jy ! Total flux subtracted in 200 components = 0.00486675 Jy ! Clean residual min=-0.080778 max=0.192128 Jy/beam ! Clean residual mean=0.012756 rms=0.044944 Jy/beam ! Combined flux in latest and established models = 8.05086 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 8.05086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.512851Jy sigma=0.004193 ! Fit after self-cal, rms=0.512450Jy sigma=0.004190 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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, 5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.18384 Jy ! Component: 100 - total flux cleaned = 0.284901 Jy ! Component: 150 - total flux cleaned = 0.344126 Jy ! Component: 200 - total flux cleaned = 0.36748 Jy ! Total flux subtracted in 200 components = 0.36748 Jy ! Clean residual min=-0.061973 max=0.102008 Jy/beam ! Clean residual mean=0.003146 rms=0.023267 Jy/beam ! Combined flux in latest and established models = 8.41834 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 64 components and 8.41834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.444415Jy sigma=0.003504 ! Fit after self-cal, rms=0.437315Jy sigma=0.003437 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Added new window around map position (2.4, 8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.101792 Jy ! Component: 100 - total flux cleaned = 0.153881 Jy ! Component: 150 - total flux cleaned = 0.176482 Jy ! Component: 200 - total flux cleaned = 0.183781 Jy ! Total flux subtracted in 200 components = 0.183781 Jy ! Clean residual min=-0.064430 max=0.053318 Jy/beam ! Clean residual mean=-0.001751 rms=0.017191 Jy/beam ! Combined flux in latest and established models = 8.60212 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 84 components and 8.60212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.411082Jy sigma=0.003211 ! Fit after self-cal, rms=0.408031Jy sigma=0.003188 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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=0.408031Jy sigma=0.003188 ! Fit after self-cal, rms=0.279819Jy sigma=0.002072 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.9674 mas, bmaj=3.24 mas, bpa=-5.983 degrees ! Estimated noise=1125.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0330584 Jy ! Component: 100 - total flux cleaned = 0.0465852 Jy ! Component: 150 - total flux cleaned = 0.0564446 Jy ! Component: 200 - total flux cleaned = 0.0631288 Jy ! Total flux subtracted in 200 components = 0.0631288 Jy ! Clean residual min=-0.030474 max=0.038541 Jy/beam ! Clean residual mean=0.000948 rms=0.009424 Jy/beam ! Combined flux in latest and established models = 8.66525 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 99 components and 8.66525 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266346Jy sigma=0.001967 ! Fit after self-cal, rms=0.264708Jy sigma=0.001956 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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 = 0.0159752 Jy ! Component: 100 - total flux cleaned = 0.0218575 Jy ! Component: 150 - total flux cleaned = 0.0241264 Jy ! Component: 200 - total flux cleaned = 0.0248396 Jy ! Total flux subtracted in 200 components = 0.0248396 Jy ! Clean residual min=-0.032181 max=0.037650 Jy/beam ! Clean residual mean=0.000268 rms=0.008872 Jy/beam ! Combined flux in latest and established models = 8.69009 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 110 components and 8.69009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258862Jy sigma=0.001917 ! Fit after self-cal, rms=0.258415Jy sigma=0.001914 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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=0.258415Jy sigma=0.001914 ! Fit after self-cal, rms=0.255298Jy sigma=0.001895 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=2.457 mas, bmaj=5.536 mas, bpa=-1.424 degrees ! Estimated noise=1325.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0162264 Jy ! Component: 100 - total flux cleaned = 0.0227455 Jy ! Component: 150 - total flux cleaned = 0.0264687 Jy ! Component: 200 - total flux cleaned = 0.0273473 Jy ! Total flux subtracted in 200 components = 0.0273473 Jy ! Clean residual min=-0.021456 max=0.036406 Jy/beam ! Clean residual mean=0.000709 rms=0.008770 Jy/beam ! Combined flux in latest and established models = 8.71744 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 128 components and 8.71744 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251959Jy sigma=0.001871 ! Fit after self-cal, rms=0.251407Jy sigma=0.001866 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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 = 0.00580918 Jy ! Component: 100 - total flux cleaned = 0.00583514 Jy ! Component: 150 - total flux cleaned = 0.00622028 Jy ! Component: 200 - total flux cleaned = 0.00693821 Jy ! Total flux subtracted in 200 components = 0.00693821 Jy ! Clean residual min=-0.022136 max=0.038344 Jy/beam ! Clean residual mean=0.000372 rms=0.008861 Jy/beam ! Combined flux in latest and established models = 8.72438 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 142 components and 8.72438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.250121Jy sigma=0.001858 ! Fit after self-cal, rms=0.249948Jy sigma=0.001856 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Added new window around map position (9.8, 5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0303009 Jy ! Component: 100 - total flux cleaned = 0.0363645 Jy ! Component: 150 - total flux cleaned = 0.0385736 Jy ! Component: 200 - total flux cleaned = 0.0381238 Jy ! Total flux subtracted in 200 components = 0.0381238 Jy ! Clean residual min=-0.022964 max=0.020683 Jy/beam ! Clean residual mean=-0.000730 rms=0.006366 Jy/beam ! Combined flux in latest and established models = 8.7625 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 171 components and 8.7625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245907Jy sigma=0.001822 ! Fit after self-cal, rms=0.245619Jy sigma=0.001819 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.9678 mas, bmaj=3.236 mas, bpa=-5.948 degrees ! Estimated noise=1125.59 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9678 x 3.236 at -5.948 degrees (North through East) ! Clean map min=-0.026972 max=7.0778 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=0.245619Jy sigma=0.001819 ! Fit after self-cal, rms=0.208453Jy sigma=0.001528 ! Inverting map and beam ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.9686 mas, bmaj=3.233 mas, bpa=-5.918 degrees ! Estimated noise=1125.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121035 Jy ! Component: 100 - total flux cleaned = 0.0128267 Jy ! Component: 150 - total flux cleaned = 0.013525 Jy ! Component: 200 - total flux cleaned = 0.0147967 Jy ! Total flux subtracted in 200 components = 0.0147967 Jy ! Clean residual min=-0.024551 max=0.033205 Jy/beam ! Clean residual mean=0.000261 rms=0.006325 Jy/beam ! Combined flux in latest and established models = 8.7773 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 184 components and 8.7773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203286Jy sigma=0.001490 ! Fit after self-cal, rms=0.202949Jy sigma=0.001488 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Added new window around map position (-1.6, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0122066 Jy ! Component: 100 - total flux cleaned = 0.0155167 Jy ! Component: 150 - total flux cleaned = 0.016226 Jy ! Component: 200 - total flux cleaned = 0.0175759 Jy ! Total flux subtracted in 200 components = 0.0175759 Jy ! Clean residual min=-0.023361 max=0.024814 Jy/beam ! Clean residual mean=-0.000278 rms=0.005689 Jy/beam ! Combined flux in latest and established models = 8.79487 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 201 components and 8.79487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194584Jy sigma=0.001431 ! Fit after self-cal, rms=0.194266Jy sigma=0.001427 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Added new window around map position (-5.2, -5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0183301 Jy ! Component: 100 - total flux cleaned = 0.0217623 Jy ! Component: 150 - total flux cleaned = 0.0254351 Jy ! Component: 200 - total flux cleaned = 0.027704 Jy ! Total flux subtracted in 200 components = 0.027704 Jy ! Clean residual min=-0.023686 max=0.015283 Jy/beam ! Clean residual mean=-0.000949 rms=0.005201 Jy/beam ! Combined flux in latest and established models = 8.82258 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 221 components and 8.82258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188488Jy sigma=0.001390 ! Fit after self-cal, rms=0.188467Jy sigma=0.001389 ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188467Jy sigma=0.001389 ! Fit after self-cal, rms=0.187434Jy sigma=0.001380 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 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.6974 mas, bmaj=2.212 mas, bpa=-1.159 degrees ! Estimated noise=2128.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.27636 Jy ! Component: 100 - total flux cleaned = 6.49785 Jy ! Component: 150 - total flux cleaned = 7.02237 Jy ! Component: 200 - total flux cleaned = 7.32773 Jy ! Total flux subtracted in 200 components = 7.32773 Jy ! Clean residual min=-0.077950 max=0.167358 Jy/beam ! Clean residual mean=0.008578 rms=0.029779 Jy/beam ! Combined flux in latest and established models = 7.32773 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 17 model components to the UV plane model. ! The established model now contains 17 components and 7.32773 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.9684 mas, bmaj=3.232 mas, bpa=-5.912 degrees ! Estimated noise=1126.39 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) ! Added new window around map position (0.6, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.375419 Jy ! Component: 100 - total flux cleaned = 0.608392 Jy ! Component: 150 - total flux cleaned = 0.778732 Jy ! Component: 200 - total flux cleaned = 0.908674 Jy ! Total flux subtracted in 200 components = 0.908674 Jy ! Clean residual min=-0.037480 max=0.075198 Jy/beam ! Clean residual mean=0.015048 rms=0.028029 Jy/beam ! Combined flux in latest and established models = 8.2364 Jy ! Adding 83 model components to the UV plane model. ! The established model now contains 92 components and 8.2364 Jy ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 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 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=2.458 mas, bmaj=5.535 mas, bpa=-1.352 degrees ! Estimated noise=1325.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.158823 Jy ! Component: 100 - total flux cleaned = 0.264213 Jy ! Component: 150 - total flux cleaned = 0.339614 Jy ! Component: 200 - total flux cleaned = 0.395122 Jy ! Total flux subtracted in 200 components = 0.395122 Jy ! Clean residual min=-0.026926 max=0.031942 Jy/beam ! Clean residual mean=0.008195 rms=0.014332 Jy/beam ! Combined flux in latest and established models = 8.63153 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 = 0.0417738 Jy ! Component: 100 - total flux cleaned = 0.0735911 Jy ! Component: 150 - total flux cleaned = 0.0981241 Jy ! Component: 200 - total flux cleaned = 0.11538 Jy ! Total flux subtracted in 200 components = 0.11538 Jy ! Clean residual min=-0.019234 max=0.014842 Jy/beam ! Clean residual mean=0.002756 rms=0.006811 Jy/beam ! Combined flux in latest and established models = 8.74691 Jy ! Adding 197 model components to the UV plane model. ! The established model now contains 277 components and 8.74691 Jy ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! Estimated beam: bmin=0.9684 mas, bmaj=3.232 mas, bpa=-5.912 degrees ! Estimated noise=1126.39 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0186453 Jy ! Component: 100 - total flux cleaned = 0.0307016 Jy ! Component: 150 - total flux cleaned = 0.0417857 Jy ! Component: 200 - total flux cleaned = 0.0511149 Jy ! Total flux subtracted in 200 components = 0.0511149 Jy ! Clean residual min=-0.013793 max=0.013503 Jy/beam ! Clean residual mean=0.000351 rms=0.004087 Jy/beam ! Combined flux in latest and established models = 8.79802 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 303 components and 8.79802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173899Jy sigma=0.001284 ! Fit after self-cal, rms=0.172559Jy sigma=0.001274 wmodel J1924-2914_X_2008_04_02_pus_map.mod ! Writing 303 model components to file: J1924-2914_X_2008_04_02_pus_map.mod wobs J1924-2914_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1924-2914_X_2008_04_02_pus_uvs.fits wwins J1924-2914_X_2008_04_02_pus_map.win ! wwins: Wrote 7 windows to J1924-2914_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 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.0014774 Jy ! Component: 100 - total flux cleaned = -0.0032707 Jy ! Component: 150 - total flux cleaned = -0.00508755 Jy ! Component: 200 - total flux cleaned = -0.00603684 Jy ! Component: 250 - total flux cleaned = -0.00621946 Jy ! Component: 300 - total flux cleaned = -0.00572014 Jy ! Component: 350 - total flux cleaned = -0.00523051 Jy ! Component: 400 - total flux cleaned = -0.00475306 Jy ! Component: 450 - total flux cleaned = -0.00444369 Jy ! Component: 500 - total flux cleaned = -0.0042915 Jy ! Component: 550 - total flux cleaned = -0.00370284 Jy ! Component: 600 - total flux cleaned = -0.00341515 Jy ! Component: 650 - total flux cleaned = -0.00271217 Jy ! Component: 700 - total flux cleaned = -0.00271106 Jy ! Component: 750 - total flux cleaned = -0.00271105 Jy ! Component: 800 - total flux cleaned = -0.00284501 Jy ! Component: 850 - total flux cleaned = -0.0032368 Jy ! Component: 900 - total flux cleaned = -0.00336332 Jy ! Component: 950 - total flux cleaned = -0.00348976 Jy ! Component: 1000 - total flux cleaned = -0.00361422 Jy ! Total flux subtracted in 1024 components = -0.00361395 Jy ! Clean residual min=-0.008541 max=0.006198 Jy/beam ! Clean residual mean=0.000281 rms=0.002845 Jy/beam ! Combined flux in latest and established models = 8.79441 Jy keep ! Adding 69 model components to the UV plane model. ! The established model now contains 362 components and 8.7944 Jy wmap "J1924-2914_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9684 x 3.232 at -5.912 degrees (North through East) ! Clean map min=-0.014224 max=7.096 Jy/beam ! Writing clean map to FITS file: J1924-2914_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 7.09596 invert ! Inverting map ! Your choice of large map pixels excluded 0.465% of the data. ! The x-axis pixel size should ideally be below 0.1921 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00283665 device "J1924-2914_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.119927 0.119927 0.239853 0.479707 0.959413 1.91883 3.83765 7.67531 15.3506 30.7012 61.4025 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0085 print "peak=",int(1000*peak_flux)/1000 ! peak= 7.095 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9684 x 3.232 at -5.912 degrees (North through East) ! Clean map min=-0.014224 max=7.096 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1924-2914_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 18:27:29 2010