! Started logfile: J0730-1141_X_2008_04_02_pus_uvs.log on Sun Feb 21 18:23:04 2010 obs J0730-1141_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0730-1141_X_2008_04_02_pus_uva.fits ! AN table 1: 210 integrations on 120 of 120 possible baselines. ! AN table 2: 207 integrations on 120 of 120 possible baselines. ! AN table 3: 28 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0564045 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0730-1141 ! ! 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 12048 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 3300 telescope corrections were flagged in sub-array 1. ! A total of 2483 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 3310 telescope corrections were flagged in sub-array 1. ! A total of 2559 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 3300 telescope corrections were flagged in sub-array 1. ! A total of 2483 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 3300 telescope corrections were flagged in sub-array 1. ! A total of 2483 telescope corrections were flagged in sub-array 2. ! A total of 336 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=4.041753Jy sigma=0.033938 ! Fit after self-cal, rms=3.925147Jy sigma=0.033524 ! 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 0.187% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.6999 mas, bmaj=0.8691 mas, bpa=-9.622 degrees ! Estimated noise=1807.47 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 = 3.60893 Jy ! Component: 100 - total flux cleaned = 4.50797 Jy ! Total flux subtracted in 100 components = 4.50797 Jy ! Clean residual min=-0.110554 max=0.361660 Jy/beam ! Clean residual mean=0.000729 rms=0.040358 Jy/beam ! Combined flux in latest and established models = 4.50797 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 4.50797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.764559Jy sigma=0.006493 ! Fit after self-cal, rms=0.764136Jy sigma=0.006491 ! Inverting map ! Your choice of large map pixels excluded 0.187% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.37309 Jy ! Component: 100 - total flux cleaned = 0.546571 Jy ! Total flux subtracted in 100 components = 0.546571 Jy ! Clean residual min=-0.081083 max=0.101040 Jy/beam ! Clean residual mean=0.000391 rms=0.024110 Jy/beam ! Combined flux in latest and established models = 5.05454 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 5.05454 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.538160Jy sigma=0.003754 ! Fit after self-cal, rms=0.537989Jy sigma=0.003752 ! Inverting map ! Your choice of large map pixels excluded 0.187% of the data. ! The x-axis pixel size should ideally be below 0.1973 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 0.187% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9941 mas, bmaj=1.31 mas, bpa=-25.41 degrees ! Estimated noise=870.418 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 = 0.161435 Jy ! Component: 100 - total flux cleaned = 0.23015 Jy ! Component: 150 - total flux cleaned = 0.260663 Jy ! Component: 200 - total flux cleaned = 0.264422 Jy ! Total flux subtracted in 200 components = 0.264422 Jy ! Clean residual min=-0.072259 max=0.110352 Jy/beam ! Clean residual mean=0.003326 rms=0.022985 Jy/beam ! Combined flux in latest and established models = 5.31896 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 14 components and 5.31896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.512791Jy sigma=0.003182 ! Fit after self-cal, rms=0.511466Jy sigma=0.003174 ! Inverting map ! Your choice of large map pixels excluded 0.187% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.99 HN 1.10 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.11 OV 1.00* ! PT 1.00* SC 0.94 WZ 0.99 ZC 1.42 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.99 HH 0.90 HN 0.99 ! KK 1.02 KP 1.00 LA 0.99 MK 0.99 ! NL 1.01 NY 1.00* ON 1.09 OV 1.02 ! PT 0.99 SC 0.94 WZ 1.02 ZC 1.23 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.88 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.02 ZC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.99 HN 1.11 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.13 OV 1.00* ! PT 1.00* SC 0.96 WZ 1.00 ZC 1.00* ! ! A total of 231 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 HH 1.00* HN 0.99 ! KK 1.01 KP 0.95 LA 0.97 MK 0.98 ! NL 0.99 NY 1.00* ON 1.00* OV 1.00 ! PT 0.98 SC 0.95 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.86 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.00 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.05 ZC 1.08 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00 HN 1.10 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.08 OV 1.00* ! PT 1.00* SC 0.97 WZ 0.98 ZC 1.36 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HH 0.91 HN 0.99 ! KK 1.06 KP 0.98 LA 1.01 MK 1.00 ! NL 1.01 NY 1.00* ON 1.09 OV 1.04 ! PT 0.98 SC 0.97 WZ 1.00 ZC 1.24 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.89 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.04 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.99 ZC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.08 HN 1.13 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.07 OV 1.00* ! PT 1.00* SC 0.96 WZ 0.97 ZC 1.41 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 HH 0.96 HN 1.00 ! KK 1.05 KP 0.98 LA 1.00 MK 1.02 ! NL 1.02 NY 1.00* ON 1.08 OV 1.03 ! PT 0.98 SC 1.00 WZ 1.00 ZC 1.27 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00* ON 1.06 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.99 ZC 1.10 ! ! ! Fit before self-cal, rms=0.511466Jy sigma=0.003174 ! Fit after self-cal, rms=0.383601Jy sigma=0.002427 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9967 mas, bmaj=1.361 mas, bpa=-24.36 degrees ! Estimated noise=870.031 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 = 0.000994095 Jy ! Component: 100 - total flux cleaned = -0.00128395 Jy ! Component: 150 - total flux cleaned = -0.00196625 Jy ! Component: 200 - total flux cleaned = -0.0019736 Jy ! Total flux subtracted in 200 components = -0.0019736 Jy ! Clean residual min=-0.047836 max=0.054726 Jy/beam ! Clean residual mean=0.001752 rms=0.012723 Jy/beam ! Combined flux in latest and established models = 5.31699 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 17 components and 5.31699 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380314Jy sigma=0.002400 ! Fit after self-cal, rms=0.379863Jy sigma=0.002397 ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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=0.379863Jy sigma=0.002397 ! Fit after self-cal, rms=0.336925Jy sigma=0.001893 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9987 mas, bmaj=1.358 mas, bpa=-24.45 degrees ! Estimated noise=869.046 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00608601 Jy ! Component: 100 - total flux cleaned = -0.00752336 Jy ! Component: 150 - total flux cleaned = -0.00813892 Jy ! Component: 200 - total flux cleaned = -0.00869574 Jy ! Total flux subtracted in 200 components = -0.00869574 Jy ! Clean residual min=-0.026313 max=0.051750 Jy/beam ! Clean residual mean=0.000636 rms=0.008952 Jy/beam ! Combined flux in latest and established models = 5.30829 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 17 components and 5.30829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.333848Jy sigma=0.001867 ! Fit after self-cal, rms=0.333442Jy sigma=0.001865 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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 (-1.4, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0387872 Jy ! Component: 100 - total flux cleaned = 0.0357892 Jy ! Component: 150 - total flux cleaned = 0.0366006 Jy ! Component: 200 - total flux cleaned = 0.0379647 Jy ! Total flux subtracted in 200 components = 0.0379647 Jy ! Clean residual min=-0.024300 max=0.027977 Jy/beam ! Clean residual mean=0.000652 rms=0.006888 Jy/beam ! Combined flux in latest and established models = 5.34626 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 25 components and 5.34626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324945Jy sigma=0.001783 ! Fit after self-cal, rms=0.323807Jy sigma=0.001772 ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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=0.323807Jy sigma=0.001772 ! Fit after self-cal, rms=0.300747Jy sigma=0.001618 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9973 mas, bmaj=1.356 mas, bpa=-24.54 degrees ! Estimated noise=867.404 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0313629 Jy ! Component: 100 - total flux cleaned = 0.0321673 Jy ! Component: 150 - total flux cleaned = 0.0326933 Jy ! Component: 200 - total flux cleaned = 0.0331861 Jy ! Total flux subtracted in 200 components = 0.0331861 Jy ! Clean residual min=-0.014333 max=0.015671 Jy/beam ! Clean residual mean=0.000300 rms=0.004569 Jy/beam ! Combined flux in latest and established models = 5.37944 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 33 components and 5.37944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296096Jy sigma=0.001565 ! Fit after self-cal, rms=0.295496Jy sigma=0.001557 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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 = 0.00538031 Jy ! Component: 100 - total flux cleaned = 0.00680175 Jy ! Component: 150 - total flux cleaned = 0.00721368 Jy ! Component: 200 - total flux cleaned = 0.00720485 Jy ! Total flux subtracted in 200 components = 0.00720485 Jy ! Clean residual min=-0.014449 max=0.014338 Jy/beam ! Clean residual mean=0.000300 rms=0.004166 Jy/beam ! Combined flux in latest and established models = 5.38665 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 5.38665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.293998Jy sigma=0.001543 ! Fit after self-cal, rms=0.293783Jy sigma=0.001542 ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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=0.293783Jy sigma=0.001542 ! Fit after self-cal, rms=0.292538Jy sigma=0.001531 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=2.297 mas, bmaj=4.51 mas, bpa=-13.32 degrees ! Estimated noise=1015.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0181741 Jy ! Component: 100 - total flux cleaned = 0.0219136 Jy ! Component: 150 - total flux cleaned = 0.0225072 Jy ! Component: 200 - total flux cleaned = 0.0229663 Jy ! Total flux subtracted in 200 components = 0.0229663 Jy ! Clean residual min=-0.008844 max=0.011208 Jy/beam ! Clean residual mean=0.000523 rms=0.003661 Jy/beam ! Combined flux in latest and established models = 5.40961 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 50 components and 5.40961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291848Jy sigma=0.001520 ! Fit after self-cal, rms=0.291605Jy sigma=0.001518 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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 = 0.00243335 Jy ! Component: 100 - total flux cleaned = 0.00300494 Jy ! Component: 150 - total flux cleaned = 0.0034591 Jy ! Component: 200 - total flux cleaned = 0.00391886 Jy ! Total flux subtracted in 200 components = 0.00391886 Jy ! Clean residual min=-0.007935 max=0.011046 Jy/beam ! Clean residual mean=0.000509 rms=0.003674 Jy/beam ! Combined flux in latest and established models = 5.41353 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 54 components and 5.41353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291300Jy sigma=0.001515 ! Fit after self-cal, rms=0.291126Jy sigma=0.001514 ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9966 mas, bmaj=1.355 mas, bpa=-24.58 degrees ! Estimated noise=866.698 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9966 x 1.355 at -24.58 degrees (North through East) ! Clean map min=-0.010822 max=4.8343 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=0.291126Jy sigma=0.001514 ! Fit after self-cal, rms=0.191594Jy sigma=0.001130 ! Inverting map and beam ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9961 mas, bmaj=1.356 mas, bpa=-24.57 degrees ! Estimated noise=866.609 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00364562 Jy ! Component: 100 - total flux cleaned = 0.00399127 Jy ! Component: 150 - total flux cleaned = 0.00400062 Jy ! Component: 200 - total flux cleaned = 0.00431786 Jy ! Total flux subtracted in 200 components = 0.00431786 Jy ! Clean residual min=-0.009703 max=0.012913 Jy/beam ! Clean residual mean=0.000157 rms=0.003118 Jy/beam ! Combined flux in latest and established models = 5.41785 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 5.41785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190073Jy sigma=0.001120 ! Fit after self-cal, rms=0.189964Jy sigma=0.001119 ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Added new window around map position (-4, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00792835 Jy ! Component: 100 - total flux cleaned = 0.00890655 Jy ! Component: 150 - total flux cleaned = 0.0097814 Jy ! Component: 200 - total flux cleaned = 0.0100541 Jy ! Total flux subtracted in 200 components = 0.0100541 Jy ! Clean residual min=-0.008525 max=0.010059 Jy/beam ! Clean residual mean=0.000130 rms=0.002640 Jy/beam ! Combined flux in latest and established models = 5.4279 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 77 components and 5.4279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188633Jy sigma=0.001108 ! Fit after self-cal, rms=0.188499Jy sigma=0.001107 ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188499Jy sigma=0.001107 ! Fit after self-cal, rms=0.188175Jy sigma=0.001106 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 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.7171 mas, bmaj=0.8631 mas, bpa=-10.25 degrees ! Estimated noise=1812.43 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.61859 Jy ! Component: 100 - total flux cleaned = 4.48725 Jy ! Component: 150 - total flux cleaned = 4.82989 Jy ! Component: 200 - total flux cleaned = 5.00586 Jy ! Total flux subtracted in 200 components = 5.00586 Jy ! Clean residual min=-0.035770 max=0.090831 Jy/beam ! Clean residual mean=0.000290 rms=0.012972 Jy/beam ! Combined flux in latest and established models = 5.00586 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 5.00586 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9958 mas, bmaj=1.356 mas, bpa=-24.59 degrees ! Estimated noise=866.196 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 = 0.1901 Jy ! Component: 100 - total flux cleaned = 0.284821 Jy ! Component: 150 - total flux cleaned = 0.336505 Jy ! Component: 200 - total flux cleaned = 0.36745 Jy ! Total flux subtracted in 200 components = 0.36745 Jy ! Clean residual min=-0.010841 max=0.020469 Jy/beam ! Clean residual mean=0.000155 rms=0.004739 Jy/beam ! Combined flux in latest and established models = 5.37331 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 42 components and 5.37331 Jy ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Added new window around map position (0.4, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0216717 Jy ! Component: 100 - total flux cleaned = 0.0364124 Jy ! Component: 150 - total flux cleaned = 0.0468849 Jy ! Component: 200 - total flux cleaned = 0.0522208 Jy ! Total flux subtracted in 200 components = 0.0522208 Jy ! Clean residual min=-0.006871 max=0.009500 Jy/beam ! Clean residual mean=0.000133 rms=0.002381 Jy/beam ! Combined flux in latest and established models = 5.42553 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 62 components and 5.42553 Jy ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 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 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=2.294 mas, bmaj=4.505 mas, bpa=-13.33 degrees ! Estimated noise=1016.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00734179 Jy ! Component: 100 - total flux cleaned = 0.00964066 Jy ! Component: 150 - total flux cleaned = 0.0107074 Jy ! Component: 200 - total flux cleaned = 0.0110377 Jy ! Total flux subtracted in 200 components = 0.0110377 Jy ! Clean residual min=-0.005591 max=0.009558 Jy/beam ! Clean residual mean=0.000256 rms=0.002760 Jy/beam ! Combined flux in latest and established models = 5.43657 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 = 9.18747e-05 Jy ! Component: 100 - total flux cleaned = 8.51744e-05 Jy ! Component: 150 - total flux cleaned = 8.41233e-05 Jy ! Component: 200 - total flux cleaned = 8.45656e-05 Jy ! Total flux subtracted in 200 components = 8.45656e-05 Jy ! Clean residual min=-0.005532 max=0.009558 Jy/beam ! Clean residual mean=0.000259 rms=0.002670 Jy/beam ! Combined flux in latest and established models = 5.43665 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 92 components and 5.43665 Jy ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! Estimated beam: bmin=0.9958 mas, bmaj=1.356 mas, bpa=-24.59 degrees ! Estimated noise=866.196 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.41467e-05 Jy ! Component: 100 - total flux cleaned = -0.000471718 Jy ! Component: 150 - total flux cleaned = -0.000477238 Jy ! Component: 200 - total flux cleaned = -0.000628362 Jy ! Total flux subtracted in 200 components = -0.000628362 Jy ! Clean residual min=-0.005979 max=0.007353 Jy/beam ! Clean residual mean=0.000135 rms=0.002051 Jy/beam ! Combined flux in latest and established models = 5.43602 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 107 components and 5.43602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185345Jy sigma=0.001085 ! Fit after self-cal, rms=0.185186Jy sigma=0.001083 wmodel J0730-1141_X_2008_04_02_pus_map.mod ! Writing 107 model components to file: J0730-1141_X_2008_04_02_pus_map.mod wobs J0730-1141_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0730-1141_X_2008_04_02_pus_uvs.fits wwins J0730-1141_X_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J0730-1141_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 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00333033 Jy ! Component: 100 - total flux cleaned = 0.00533604 Jy ! Component: 150 - total flux cleaned = 0.00752004 Jy ! Component: 200 - total flux cleaned = 0.00956092 Jy ! Component: 250 - total flux cleaned = 0.0110166 Jy ! Component: 300 - total flux cleaned = 0.0117609 Jy ! Component: 350 - total flux cleaned = 0.0123861 Jy ! Component: 400 - total flux cleaned = 0.0129907 Jy ! Component: 450 - total flux cleaned = 0.0136608 Jy ! Component: 500 - total flux cleaned = 0.0143069 Jy ! Component: 550 - total flux cleaned = 0.0146194 Jy ! Component: 600 - total flux cleaned = 0.0147717 Jy ! Component: 650 - total flux cleaned = 0.0150695 Jy ! Component: 700 - total flux cleaned = 0.0152874 Jy ! Component: 750 - total flux cleaned = 0.0156428 Jy ! Component: 800 - total flux cleaned = 0.0159216 Jy ! Component: 850 - total flux cleaned = 0.0161928 Jy ! Component: 900 - total flux cleaned = 0.0162601 Jy ! Component: 950 - total flux cleaned = 0.0165887 Jy ! Component: 1000 - total flux cleaned = 0.0167817 Jy ! Total flux subtracted in 1024 components = 0.0167817 Jy ! Clean residual min=-0.004709 max=0.003999 Jy/beam ! Clean residual mean=0.000057 rms=0.001244 Jy/beam ! Combined flux in latest and established models = 5.4528 Jy keep ! Adding 70 model components to the UV plane model. ! The established model now contains 175 components and 5.4528 Jy wmap "J0730-1141_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9958 x 1.356 at -24.59 degrees (North through East) ! Clean map min=-0.0070649 max=4.8199 Jy/beam ! Writing clean map to FITS file: J0730-1141_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 4.81993 invert ! Inverting map ! Your choice of large map pixels excluded 0.191% of the data. ! The x-axis pixel size should ideally be below 0.1973 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0012538 device "J0730-1141_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0730-1141_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0780381 0.0780381 0.156076 0.312153 0.624305 1.24861 2.49722 4.99444 9.98888 19.9778 39.9555 79.9111 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0037 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.819 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9958 x 1.356 at -24.59 degrees (North through East) ! Clean map min=-0.0070649 max=4.8199 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0730-1141_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0730-1141_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0730-1141_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 18:23:08 2010