! Started logfile: J1337-1257_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:26:38 2010 obs J1337-1257_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1337-1257_X_2008_07_09_pus_uva.fits ! AN table 1: 48 integrations on 105 of 105 possible baselines. ! AN table 2: 19 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.133475 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1337-1257 ! ! 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 1146 lines of history. ! ! Reading 3756 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 484 telescope corrections were flagged in sub-array 1. ! A total of 237 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 475 telescope corrections were flagged in sub-array 1. ! A total of 237 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 478 telescope corrections were flagged in sub-array 1. ! A total of 237 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 478 telescope corrections were flagged in sub-array 1. ! A total of 237 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=3.416588Jy sigma=0.026892 ! Fit after self-cal, rms=3.395926Jy sigma=0.026842 ! 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 0.595% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.6889 mas, bmaj=1.888 mas, bpa=-1.522 degrees ! Estimated noise=2136.15 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 = 3.38123 Jy ! Component: 100 - total flux cleaned = 4.16266 Jy ! Total flux subtracted in 100 components = 4.16266 Jy ! Clean residual min=-0.109752 max=0.291916 Jy/beam ! Clean residual mean=0.002843 rms=0.044518 Jy/beam ! Combined flux in latest and established models = 4.16266 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 4.16266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.531932Jy sigma=0.004252 ! Fit after self-cal, rms=0.531496Jy sigma=0.004250 ! Inverting map ! Your choice of large map pixels excluded 0.595% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.295712 Jy ! Component: 100 - total flux cleaned = 0.427524 Jy ! Total flux subtracted in 100 components = 0.427524 Jy ! Clean residual min=-0.089311 max=0.105485 Jy/beam ! Clean residual mean=0.000433 rms=0.024498 Jy/beam ! Combined flux in latest and established models = 4.59018 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 10 components and 4.59018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.391786Jy sigma=0.002828 ! Fit after self-cal, rms=0.390758Jy sigma=0.002821 ! Inverting map ! Your choice of large map pixels excluded 0.595% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 0.595% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.827 mas, bmaj=2.206 mas, bpa=-2.185 degrees ! Estimated noise=1570.58 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 = 0.0532514 Jy ! Component: 100 - total flux cleaned = 0.0742994 Jy ! Component: 150 - total flux cleaned = 0.0780684 Jy ! Component: 200 - total flux cleaned = 0.0799999 Jy ! Total flux subtracted in 200 components = 0.0799999 Jy ! Clean residual min=-0.082341 max=0.075142 Jy/beam ! Clean residual mean=0.000671 rms=0.019578 Jy/beam ! Combined flux in latest and established models = 4.67018 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 21 components and 4.67018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.386358Jy sigma=0.002737 ! Fit after self-cal, rms=0.386144Jy sigma=0.002736 ! Inverting map ! Your choice of large map pixels excluded 0.595% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HH 1.00* HN 1.11 ! KK 1.05 KP 1.01 LA 0.97 MK 0.96 ! NL 0.94 NY 1.00* ON 1.00* PT 1.01 ! SC 0.97 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 HH 1.00* HN 1.03 ! KK 1.05 KP 0.97 LA 0.95 MK 0.95 ! NL 0.93 NY 1.00* ON 1.00* PT 1.03 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HH 1.00* HN 1.02 ! KK 0.99 KP 1.00 LA 0.98 MK 0.98 ! NL 0.96 NY 1.00* ON 1.00* PT 1.02 ! SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HH 1.00* HN 1.02 ! KK 1.02 KP 1.00 LA 0.97 MK 1.00 ! NL 0.96 NY 1.00* ON 1.00* PT 1.06 ! SC 1.02 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Fit before self-cal, rms=0.386144Jy sigma=0.002736 ! Fit after self-cal, rms=0.291583Jy sigma=0.002082 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.811 mas, bmaj=2.155 mas, bpa=-2.552 degrees ! Estimated noise=1590.16 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 = -0.0330783 Jy ! Component: 100 - total flux cleaned = -0.0360266 Jy ! Component: 150 - total flux cleaned = -0.0360167 Jy ! Component: 200 - total flux cleaned = -0.0355432 Jy ! Total flux subtracted in 200 components = -0.0355432 Jy ! Clean residual min=-0.042310 max=0.048299 Jy/beam ! Clean residual mean=0.000732 rms=0.013054 Jy/beam ! Combined flux in latest and established models = 4.63464 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 25 components and 4.63464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286941Jy sigma=0.002046 ! Fit after self-cal, rms=0.286926Jy sigma=0.002045 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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=0.286926Jy sigma=0.002045 ! Fit after self-cal, rms=0.234641Jy sigma=0.001608 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.8115 mas, bmaj=2.153 mas, bpa=-2.626 degrees ! Estimated noise=1588.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00445952 Jy ! Component: 100 - total flux cleaned = 0.0055392 Jy ! Component: 150 - total flux cleaned = 0.00619728 Jy ! Component: 200 - total flux cleaned = 0.00656789 Jy ! Total flux subtracted in 200 components = 0.00656789 Jy ! Clean residual min=-0.009069 max=0.012407 Jy/beam ! Clean residual mean=0.000250 rms=0.003036 Jy/beam ! Combined flux in latest and established models = 4.64121 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 4.64121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234172Jy sigma=0.001603 ! Fit after self-cal, rms=0.234135Jy sigma=0.001603 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 = 0.000516011 Jy ! Component: 100 - total flux cleaned = 0.00103003 Jy ! Component: 150 - total flux cleaned = 0.00131173 Jy ! Component: 200 - total flux cleaned = 0.00156844 Jy ! Total flux subtracted in 200 components = 0.00156844 Jy ! Clean residual min=-0.008988 max=0.012055 Jy/beam ! Clean residual mean=0.000235 rms=0.002915 Jy/beam ! Combined flux in latest and established models = 4.64278 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 33 components and 4.64278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233935Jy sigma=0.001601 ! Fit after self-cal, rms=0.233911Jy sigma=0.001601 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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=0.233911Jy sigma=0.001601 ! Fit after self-cal, rms=0.233720Jy sigma=0.001600 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.8112 mas, bmaj=2.153 mas, bpa=-2.644 degrees ! Estimated noise=1588.52 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00346831 Jy ! Component: 100 - total flux cleaned = 0.00423862 Jy ! Component: 150 - total flux cleaned = 0.00462701 Jy ! Component: 200 - total flux cleaned = 0.00486216 Jy ! Total flux subtracted in 200 components = 0.00486216 Jy ! Clean residual min=-0.008016 max=0.011959 Jy/beam ! Clean residual mean=0.000296 rms=0.002792 Jy/beam ! Combined flux in latest and established models = 4.64764 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 38 components and 4.64764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233511Jy sigma=0.001598 ! Fit after self-cal, rms=0.233508Jy sigma=0.001598 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 (2.4, -7.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0124057 Jy ! Component: 100 - total flux cleaned = 0.0154 Jy ! Component: 150 - total flux cleaned = 0.0170753 Jy ! Component: 200 - total flux cleaned = 0.0180902 Jy ! Total flux subtracted in 200 components = 0.0180902 Jy ! Clean residual min=-0.006789 max=0.008823 Jy/beam ! Clean residual mean=0.000154 rms=0.002268 Jy/beam ! Combined flux in latest and established models = 4.66573 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 52 components and 4.66573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232632Jy sigma=0.001592 ! Fit after self-cal, rms=0.232615Jy sigma=0.001591 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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=0.232615Jy sigma=0.001591 ! Fit after self-cal, rms=0.232408Jy sigma=0.001591 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=2.177 mas, bmaj=3.618 mas, bpa=0.4312 degrees ! Estimated noise=2064.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00667589 Jy ! Component: 100 - total flux cleaned = 0.00895577 Jy ! Component: 150 - total flux cleaned = 0.00967718 Jy ! Component: 200 - total flux cleaned = 0.0102771 Jy ! Total flux subtracted in 200 components = 0.0102772 Jy ! Clean residual min=-0.005992 max=0.008867 Jy/beam ! Clean residual mean=0.000367 rms=0.002485 Jy/beam ! Combined flux in latest and established models = 4.67601 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 61 components and 4.67601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232306Jy sigma=0.001590 ! Fit after self-cal, rms=0.232291Jy sigma=0.001590 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 = 0.00051032 Jy ! Component: 100 - total flux cleaned = 0.00112585 Jy ! Component: 150 - total flux cleaned = 0.00147002 Jy ! Component: 200 - total flux cleaned = 0.00176222 Jy ! Total flux subtracted in 200 components = 0.00176222 Jy ! Clean residual min=-0.005742 max=0.008544 Jy/beam ! Clean residual mean=0.000336 rms=0.002462 Jy/beam ! Combined flux in latest and established models = 4.67777 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 68 components and 4.67777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232310Jy sigma=0.001590 ! Fit after self-cal, rms=0.232313Jy sigma=0.001590 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.8107 mas, bmaj=2.153 mas, bpa=-2.657 degrees ! Estimated noise=1588.75 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8107 x 2.153 at -2.657 degrees (North through East) ! Clean map min=-0.0063647 max=4.3499 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=0.232313Jy sigma=0.001590 ! Fit after self-cal, rms=0.184233Jy sigma=0.001159 ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.8112 mas, bmaj=2.153 mas, bpa=-2.638 degrees ! Estimated noise=1589.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142177 Jy ! Component: 100 - total flux cleaned = 0.00206423 Jy ! Component: 150 - total flux cleaned = 0.00227646 Jy ! Component: 200 - total flux cleaned = 0.00245396 Jy ! Total flux subtracted in 200 components = 0.00245396 Jy ! Clean residual min=-0.006285 max=0.006799 Jy/beam ! Clean residual mean=0.000079 rms=0.001836 Jy/beam ! Combined flux in latest and established models = 4.68023 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 81 components and 4.68023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184068Jy sigma=0.001157 ! Fit after self-cal, rms=0.184082Jy sigma=0.001157 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00042159 Jy ! Component: 100 - total flux cleaned = 0.000345306 Jy ! Component: 150 - total flux cleaned = 0.000199375 Jy ! Component: 200 - total flux cleaned = -1.82113e-06 Jy ! Total flux subtracted in 200 components = -1.82113e-06 Jy ! Clean residual min=-0.006180 max=0.006555 Jy/beam ! Clean residual mean=0.000077 rms=0.001812 Jy/beam ! Combined flux in latest and established models = 4.68022 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 91 components and 4.68022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183998Jy sigma=0.001157 ! Fit after self-cal, rms=0.184016Jy sigma=0.001157 ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184016Jy sigma=0.001157 ! Fit after self-cal, rms=0.184004Jy sigma=0.001156 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 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.6857 mas, bmaj=1.87 mas, bpa=-1.865 degrees ! Estimated noise=2127.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.35261 Jy ! Component: 100 - total flux cleaned = 4.12513 Jy ! Component: 150 - total flux cleaned = 4.41378 Jy ! Component: 200 - total flux cleaned = 4.53789 Jy ! Total flux subtracted in 200 components = 4.53789 Jy ! Clean residual min=-0.023896 max=0.055683 Jy/beam ! Clean residual mean=0.000793 rms=0.008762 Jy/beam ! Combined flux in latest and established models = 4.53789 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 10 model components to the UV plane model. ! The established model now contains 10 components and 4.53789 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.8111 mas, bmaj=2.153 mas, bpa=-2.64 degrees ! Estimated noise=1590.09 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 = 0.0677899 Jy ! Component: 100 - total flux cleaned = 0.100332 Jy ! Component: 150 - total flux cleaned = 0.119741 Jy ! Component: 200 - total flux cleaned = 0.128497 Jy ! Total flux subtracted in 200 components = 0.128497 Jy ! Clean residual min=-0.011581 max=0.012763 Jy/beam ! Clean residual mean=0.000208 rms=0.002927 Jy/beam ! Combined flux in latest and established models = 4.66638 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 25 components and 4.66638 Jy ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Added new window around map position (1.6, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00651176 Jy ! Component: 100 - total flux cleaned = 0.00759533 Jy ! Component: 150 - total flux cleaned = 0.00886031 Jy ! Component: 200 - total flux cleaned = 0.00997361 Jy ! Total flux subtracted in 200 components = 0.00997361 Jy ! Clean residual min=-0.008439 max=0.006482 Jy/beam ! Clean residual mean=0.000116 rms=0.002302 Jy/beam ! Combined flux in latest and established models = 4.67636 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 40 components and 4.67636 Jy ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 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 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=2.176 mas, bmaj=3.616 mas, bpa=0.4534 degrees ! Estimated noise=2065.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0025152 Jy ! Component: 100 - total flux cleaned = 0.00346238 Jy ! Component: 150 - total flux cleaned = 0.00391947 Jy ! Component: 200 - total flux cleaned = 0.00441744 Jy ! Total flux subtracted in 200 components = 0.00441744 Jy ! Clean residual min=-0.006006 max=0.006224 Jy/beam ! Clean residual mean=0.000166 rms=0.001986 Jy/beam ! Combined flux in latest and established models = 4.68078 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 = 0.000594032 Jy ! Component: 100 - total flux cleaned = 0.00109228 Jy ! Component: 150 - total flux cleaned = 0.00144941 Jy ! Component: 200 - total flux cleaned = 0.00157864 Jy ! Total flux subtracted in 200 components = 0.00157864 Jy ! Clean residual min=-0.005763 max=0.006071 Jy/beam ! Clean residual mean=0.000135 rms=0.001941 Jy/beam ! Combined flux in latest and established models = 4.68236 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 63 components and 4.68235 Jy ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! Estimated beam: bmin=0.8111 mas, bmaj=2.153 mas, bpa=-2.64 degrees ! Estimated noise=1590.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00206188 Jy ! Component: 100 - total flux cleaned = 0.00170577 Jy ! Component: 150 - total flux cleaned = 0.00153947 Jy ! Component: 200 - total flux cleaned = 0.00153759 Jy ! Total flux subtracted in 200 components = 0.00153759 Jy ! Clean residual min=-0.007562 max=0.006346 Jy/beam ! Clean residual mean=0.000049 rms=0.001947 Jy/beam ! Combined flux in latest and established models = 4.68389 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 76 components and 4.68389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184020Jy sigma=0.001160 ! Fit after self-cal, rms=0.184030Jy sigma=0.001159 wmodel J1337-1257_X_2008_07_09_pus_map.mod ! Writing 76 model components to file: J1337-1257_X_2008_07_09_pus_map.mod wobs J1337-1257_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1337-1257_X_2008_07_09_pus_uvs.fits wwins J1337-1257_X_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J1337-1257_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 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00192403 Jy ! Component: 100 - total flux cleaned = -0.00258809 Jy ! Component: 150 - total flux cleaned = -0.00279545 Jy ! Component: 200 - total flux cleaned = -0.00230733 Jy ! Component: 250 - total flux cleaned = -0.00164815 Jy ! Component: 300 - total flux cleaned = -0.000832063 Jy ! Component: 350 - total flux cleaned = -0.000130056 Jy ! Component: 400 - total flux cleaned = 0.00038416 Jy ! Component: 450 - total flux cleaned = 0.000801234 Jy ! Component: 500 - total flux cleaned = 0.00112635 Jy ! Component: 550 - total flux cleaned = 0.00136383 Jy ! Component: 600 - total flux cleaned = 0.00151783 Jy ! Component: 650 - total flux cleaned = 0.00181805 Jy ! Component: 700 - total flux cleaned = 0.00196396 Jy ! Component: 750 - total flux cleaned = 0.00217896 Jy ! Component: 800 - total flux cleaned = 0.00217952 Jy ! Component: 850 - total flux cleaned = 0.00231792 Jy ! Component: 900 - total flux cleaned = 0.00231894 Jy ! Component: 950 - total flux cleaned = 0.00258198 Jy ! Component: 1000 - total flux cleaned = 0.00277463 Jy ! Total flux subtracted in 1024 components = 0.00277452 Jy ! Clean residual min=-0.003397 max=0.003847 Jy/beam ! Clean residual mean=0.000092 rms=0.001337 Jy/beam ! Combined flux in latest and established models = 4.68667 Jy keep ! Adding 71 model components to the UV plane model. ! The established model now contains 147 components and 4.68667 Jy wmap "J1337-1257_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8111 x 2.153 at -2.64 degrees (North through East) ! Clean map min=-0.006407 max=4.3473 Jy/beam ! Writing clean map to FITS file: J1337-1257_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 4.34734 invert ! Inverting map ! Your choice of large map pixels excluded 0.647% of the data. ! The x-axis pixel size should ideally be below 0.1936 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0013365 device "J1337-1257_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1337-1257_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0922288 0.0922288 0.184458 0.368915 0.737831 1.47566 2.95132 5.90264 11.8053 23.6106 47.2212 94.4423 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.004 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.347 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8111 x 2.153 at -2.64 degrees (North through East) ! Clean map min=-0.006407 max=4.3473 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1337-1257_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1337-1257_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1337-1257_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:26:39 2010