! Started logfile: J0050-0929_S_2000_03_13_pus_uvs.log on Tue Apr 2 22:33:26 2013 obs J0050-0929_S_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0050-0929_S_2000_03_13_pus_uva.fits ! AN table 1: 110 integrations on 190 of 190 possible baselines. ! AN table 2: 138 integrations on 190 of 190 possible baselines. ! AN table 3: 11 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0841699 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0050-0929 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2251 lines of history. ! ! Reading 16568 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 = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J0050-0929_S_2000_03_13_pus] 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 = 512x512 pixels with 0.500x0.500 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 1893 telescope corrections were flagged in sub-array 1. ! A total of 1903 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1897 telescope corrections were flagged in sub-array 1. ! A total of 1906 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1897 telescope corrections were flagged in sub-array 1. ! A total of 1941 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1869 telescope corrections were flagged in sub-array 1. ! A total of 1924 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.840681Jy sigma=0.006640 ! Fit after self-cal, rms=0.342140Jy sigma=0.002568 ! 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 ! Estimated beam: bmin=1.94 mas, bmaj=4.236 mas, bpa=5.986 degrees ! Estimated noise=1322.63 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.556951 Jy ! Component: 100 - total flux cleaned = 0.684474 Jy ! Total flux subtracted in 100 components = 0.684474 Jy ! Clean residual min=-0.017190 max=0.047813 Jy/beam ! Clean residual mean=0.000336 rms=0.004748 Jy/beam ! Combined flux in latest and established models = 0.684473 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.684473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226306Jy sigma=0.001542 ! Fit after self-cal, rms=0.226285Jy sigma=0.001542 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0502204 Jy ! Component: 100 - total flux cleaned = 0.0731884 Jy ! Total flux subtracted in 100 components = 0.0731884 Jy ! Clean residual min=-0.016875 max=0.017984 Jy/beam ! Clean residual mean=0.000256 rms=0.003573 Jy/beam ! Combined flux in latest and established models = 0.757662 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.757662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213741Jy sigma=0.001397 ! Fit after self-cal, rms=0.213694Jy sigma=0.001397 ! Inverting map 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 ! Estimated beam: bmin=2.594 mas, bmaj=5.688 mas, bpa=4.448 degrees ! Estimated noise=715.317 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 (3.5, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.018885 Jy ! Component: 100 - total flux cleaned = 0.0282965 Jy ! Component: 150 - total flux cleaned = 0.0296467 Jy ! Component: 200 - total flux cleaned = 0.02966 Jy ! Total flux subtracted in 200 components = 0.02966 Jy ! Clean residual min=-0.011889 max=0.013282 Jy/beam ! Clean residual mean=0.000380 rms=0.002981 Jy/beam ! Combined flux in latest and established models = 0.787322 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 34 components and 0.787322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211990Jy sigma=0.001378 ! Fit after self-cal, rms=0.211860Jy sigma=0.001377 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.16 GC 1.00* KP 1.26 ! LA 1.22 NL 1.07 OV 1.00* PT 1.20 ! SC 0.96 WF 1.09 HH 1.04 KK 1.00* ! MA 1.00* MC 1.09 MK 1.00* NY 1.00* ! ON 0.79 TS 1.00* WZ 0.94 HN 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.00 GC 1.05 KP 0.94 ! LA 1.00 NL 1.00 OV 0.99 PT 0.99 ! SC 1.01 WF 1.04 HH 1.00* KK 1.00* ! MA 1.00* MC 1.01 MK 0.99 NY 1.00* ! ON 0.88 TS 1.06 WZ 0.87 HN 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 2. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.11 GC 1.00* KP 1.10 ! LA 1.18 NL 1.06 OV 1.00* PT 1.21 ! SC 1.03 WF 1.03 HH 1.06 KK 1.00* ! MA 1.00* MC 0.81 MK 1.00* NY 1.00* ! ON 0.88 TS 1.00* WZ 0.92 HN 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 GC 1.02 KP 0.95 ! LA 0.99 NL 1.01 OV 0.97 PT 1.00 ! SC 1.03 WF 0.99 HH 1.00* KK 1.00* ! MA 1.00* MC 0.84 MK 0.99 NY 1.00* ! ON 0.85 TS 0.97 WZ 0.89 HN 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.12 GC 1.00* KP 1.18 ! LA 1.18 NL 1.02 OV 1.00* PT 1.14 ! SC 1.02 WF 1.28 HH 0.89 KK 1.00* ! MA 1.00* MC 1.45 MK 1.00* NY 1.00* ! ON 0.89 TS 1.00* WZ 0.91 HN 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.95 GC 1.04 KP 1.04 ! LA 0.99 NL 0.97 OV 1.00 PT 0.96 ! SC 1.02 WF 1.12 HH 1.00* KK 1.00* ! MA 1.00* MC 1.10 MK 1.00 NY 1.00* ! ON 0.67 TS 0.93 WZ 0.95 HN 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.11 GC 1.00* KP 1.16 ! LA 1.18 NL 1.01 OV 1.00* PT 1.13 ! SC 1.05 WF 1.07 HH 0.93 KK 1.00* ! MA 1.00* MC 1.29 MK 1.00* NY 1.00* ! ON 0.83 TS 1.00* WZ 0.93 HN 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 GC 1.05 KP 0.98 ! LA 0.99 NL 0.98 OV 0.98 PT 0.99 ! SC 1.04 WF 1.01 HH 1.00* KK 1.00* ! MA 1.00* MC 1.27 MK 0.99 NY 1.00* ! ON 0.89 TS 0.94 WZ 0.91 HN 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Fit before self-cal, rms=0.211860Jy sigma=0.001377 ! Fit after self-cal, rms=0.201765Jy sigma=0.001275 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.626 mas, bmaj=5.91 mas, bpa=3.942 degrees ! Estimated noise=713.344 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 = -0.00167821 Jy ! Component: 100 - total flux cleaned = -0.00198565 Jy ! Component: 150 - total flux cleaned = -0.00197928 Jy ! Component: 200 - total flux cleaned = -0.00222549 Jy ! Total flux subtracted in 200 components = -0.00222549 Jy ! Clean residual min=-0.007538 max=0.009145 Jy/beam ! Clean residual mean=0.000323 rms=0.002040 Jy/beam ! Combined flux in latest and established models = 0.785096 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.785096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201510Jy sigma=0.001273 ! Fit after self-cal, rms=0.201518Jy sigma=0.001273 ! Inverting map 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=0.201518Jy sigma=0.001273 ! Fit after self-cal, rms=0.196619Jy sigma=0.001228 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.64 mas, bmaj=5.924 mas, bpa=4.11 degrees ! Estimated noise=714.046 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00348293 Jy ! Component: 100 - total flux cleaned = -0.00394851 Jy ! Component: 150 - total flux cleaned = -0.00395045 Jy ! Component: 200 - total flux cleaned = -0.00407265 Jy ! Total flux subtracted in 200 components = -0.00407265 Jy ! Clean residual min=-0.003885 max=0.004429 Jy/beam ! Clean residual mean=0.000110 rms=0.001174 Jy/beam ! Combined flux in latest and established models = 0.781024 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 60 components and 0.781024 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196306Jy sigma=0.001227 ! Fit after self-cal, rms=0.196440Jy sigma=0.001227 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000131287 Jy ! Component: 100 - total flux cleaned = -0.000136307 Jy ! Component: 150 - total flux cleaned = -0.000138812 Jy ! Component: 200 - total flux cleaned = -4.83694e-05 Jy ! Total flux subtracted in 200 components = -4.83694e-05 Jy ! Clean residual min=-0.003882 max=0.004361 Jy/beam ! Clean residual mean=0.000110 rms=0.001154 Jy/beam ! Combined flux in latest and established models = 0.780975 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 64 components and 0.780975 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196306Jy sigma=0.001226 ! Fit after self-cal, rms=0.196302Jy sigma=0.001226 ! Inverting map 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=0.196302Jy sigma=0.001226 ! Fit after self-cal, rms=0.196496Jy sigma=0.001221 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.65 mas, bmaj=5.932 mas, bpa=4.156 degrees ! Estimated noise=713.512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00297317 Jy ! Component: 100 - total flux cleaned = -0.00328962 Jy ! Component: 150 - total flux cleaned = -0.00329205 Jy ! Component: 200 - total flux cleaned = -0.00329343 Jy ! Total flux subtracted in 200 components = -0.00329343 Jy ! Clean residual min=-0.003590 max=0.003999 Jy/beam ! Clean residual mean=0.000075 rms=0.001013 Jy/beam ! Combined flux in latest and established models = 0.777682 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 67 components and 0.777682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196335Jy sigma=0.001220 ! Fit after self-cal, rms=0.196350Jy sigma=0.001220 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.4454e-06 Jy ! Component: 100 - total flux cleaned = 7.9521e-05 Jy ! Component: 150 - total flux cleaned = 0.000152127 Jy ! Component: 200 - total flux cleaned = 0.000219003 Jy ! Total flux subtracted in 200 components = 0.000219003 Jy ! Clean residual min=-0.003603 max=0.003975 Jy/beam ! Clean residual mean=0.000074 rms=0.000999 Jy/beam ! Combined flux in latest and established models = 0.777901 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 69 components and 0.777901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196277Jy sigma=0.001220 ! Fit after self-cal, rms=0.196274Jy sigma=0.001220 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.196274Jy sigma=0.001220 ! Fit after self-cal, rms=0.196617Jy sigma=0.001220 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.633 mas, bmaj=13.73 mas, bpa=-0.4538 degrees ! Estimated noise=863.011 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.72081e-05 Jy ! Component: 100 - total flux cleaned = -0.000252196 Jy ! Component: 150 - total flux cleaned = -0.000402369 Jy ! Component: 200 - total flux cleaned = -0.000404118 Jy ! Total flux subtracted in 200 components = -0.000404118 Jy ! Clean residual min=-0.003353 max=0.005154 Jy/beam ! Clean residual mean=0.000125 rms=0.001332 Jy/beam ! Combined flux in latest and established models = 0.777497 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 81 components and 0.777497 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196602Jy sigma=0.001219 ! Fit after self-cal, rms=0.196604Jy sigma=0.001219 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 2.6343e-06 Jy ! Component: 100 - total flux cleaned = 2.92336e-06 Jy ! Component: 150 - total flux cleaned = 2.82676e-05 Jy ! Component: 200 - total flux cleaned = 2.76392e-05 Jy ! Total flux subtracted in 200 components = 2.76392e-05 Jy ! Clean residual min=-0.003314 max=0.005100 Jy/beam ! Clean residual mean=0.000125 rms=0.001323 Jy/beam ! Combined flux in latest and established models = 0.777524 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 85 components and 0.777524 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196600Jy sigma=0.001219 ! Fit after self-cal, rms=0.196598Jy sigma=0.001219 ! Inverting map 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 ! Estimated beam: bmin=2.657 mas, bmaj=5.939 mas, bpa=4.187 degrees ! Estimated noise=713.142 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.657 x 5.939 at 4.187 degrees (North through East) ! Clean map min=-0.0031427 max=0.73268 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=0.196598Jy sigma=0.001219 ! Fit after self-cal, rms=0.185322Jy sigma=0.001104 ! Inverting map and beam ! Estimated beam: bmin=2.658 mas, bmaj=5.939 mas, bpa=4.182 degrees ! Estimated noise=712.367 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00233037 Jy ! Component: 100 - total flux cleaned = -0.00225386 Jy ! Component: 150 - total flux cleaned = -0.00218969 Jy ! Component: 200 - total flux cleaned = -0.00225546 Jy ! Total flux subtracted in 200 components = -0.00225546 Jy ! Clean residual min=-0.003175 max=0.003963 Jy/beam ! Clean residual mean=0.000080 rms=0.000939 Jy/beam ! Combined flux in latest and established models = 0.775269 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 86 components and 0.775269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185217Jy sigma=0.001103 ! Fit after self-cal, rms=0.185219Jy sigma=0.001103 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.71998e-06 Jy ! Component: 100 - total flux cleaned = -7.78009e-06 Jy ! Component: 150 - total flux cleaned = -6.20579e-05 Jy ! Component: 200 - total flux cleaned = -5.97062e-05 Jy ! Total flux subtracted in 200 components = -5.97062e-05 Jy ! Clean residual min=-0.003193 max=0.003932 Jy/beam ! Clean residual mean=0.000080 rms=0.000934 Jy/beam ! Combined flux in latest and established models = 0.775209 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 91 components and 0.775209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185173Jy sigma=0.001103 ! Fit after self-cal, rms=0.185176Jy sigma=0.001103 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185176Jy sigma=0.001103 ! Fit after self-cal, rms=0.185398Jy sigma=0.001103 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 ! Estimated beam: bmin=1.997 mas, bmaj=4.222 mas, bpa=6.16 degrees ! Estimated noise=1416.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.564256 Jy ! Component: 100 - total flux cleaned = 0.687908 Jy ! Component: 150 - total flux cleaned = 0.725357 Jy ! Component: 200 - total flux cleaned = 0.743254 Jy ! Total flux subtracted in 200 components = 0.743254 Jy ! Clean residual min=-0.006590 max=0.008692 Jy/beam ! Clean residual mean=0.000076 rms=0.001645 Jy/beam ! Combined flux in latest and established models = 0.743254 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 0.743254 Jy ! Inverting map and beam ! Estimated beam: bmin=2.664 mas, bmaj=5.942 mas, bpa=4.217 degrees ! Estimated noise=711.863 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 = 0.0142825 Jy ! Component: 100 - total flux cleaned = 0.0214837 Jy ! Component: 150 - total flux cleaned = 0.0258966 Jy ! Component: 200 - total flux cleaned = 0.0287499 Jy ! Total flux subtracted in 200 components = 0.0287499 Jy ! Clean residual min=-0.003275 max=0.004371 Jy/beam ! Clean residual mean=0.000085 rms=0.000958 Jy/beam ! Combined flux in latest and established models = 0.772004 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 36 components and 0.772004 Jy ! Inverting map ! Added new window around map position (8, 36). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00414909 Jy ! Component: 100 - total flux cleaned = 0.00650549 Jy ! Component: 150 - total flux cleaned = 0.00782698 Jy ! Component: 200 - total flux cleaned = 0.00845785 Jy ! Total flux subtracted in 200 components = 0.00845785 Jy ! Clean residual min=-0.002931 max=0.002960 Jy/beam ! Clean residual mean=0.000045 rms=0.000816 Jy/beam ! Combined flux in latest and established models = 0.780461 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 50 components and 0.780461 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.64 mas, bmaj=13.73 mas, bpa=-0.3591 degrees ! Estimated noise=859.615 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00204127 Jy ! Component: 100 - total flux cleaned = 0.00263784 Jy ! Component: 150 - total flux cleaned = 0.00314646 Jy ! Component: 200 - total flux cleaned = 0.00354562 Jy ! Total flux subtracted in 200 components = 0.00354562 Jy ! Clean residual min=-0.003086 max=0.003082 Jy/beam ! Clean residual mean=0.000060 rms=0.000920 Jy/beam ! Combined flux in latest and established models = 0.784007 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 = 0.000266882 Jy ! Component: 100 - total flux cleaned = 0.000398127 Jy ! Component: 150 - total flux cleaned = 0.000507768 Jy ! Component: 200 - total flux cleaned = 0.000570441 Jy ! Total flux subtracted in 200 components = 0.000570441 Jy ! Clean residual min=-0.003069 max=0.003017 Jy/beam ! Clean residual mean=0.000056 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 0.784577 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 68 components and 0.784577 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.664 mas, bmaj=5.942 mas, bpa=4.217 degrees ! Estimated noise=711.863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00125108 Jy ! Component: 100 - total flux cleaned = -0.00142499 Jy ! Component: 150 - total flux cleaned = -0.00142383 Jy ! Component: 200 - total flux cleaned = -0.00137635 Jy ! Total flux subtracted in 200 components = -0.00137635 Jy ! Clean residual min=-0.002914 max=0.002961 Jy/beam ! Clean residual mean=0.000031 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.783201 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 80 components and 0.783201 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185191Jy sigma=0.001102 ! Fit after self-cal, rms=0.185193Jy sigma=0.001101 wmodel J0050-0929_S_2000_03_13_pus_map.mod ! Writing 80 model components to file: J0050-0929_S_2000_03_13_pus_map.mod wobs J0050-0929_S_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0050-0929_S_2000_03_13_pus_uvs.fits wwins J0050-0929_S_2000_03_13_pus_map.win ! wwins: Wrote 3 windows to J0050-0929_S_2000_03_13_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000378805 Jy ! Component: 100 - total flux cleaned = -0.00068703 Jy ! Component: 150 - total flux cleaned = -0.000980365 Jy ! Component: 200 - total flux cleaned = -0.00116846 Jy ! Component: 250 - total flux cleaned = -0.00139587 Jy ! Component: 300 - total flux cleaned = -0.00161787 Jy ! Component: 350 - total flux cleaned = -0.00183494 Jy ! Component: 400 - total flux cleaned = -0.00191836 Jy ! Component: 450 - total flux cleaned = -0.0016668 Jy ! Component: 500 - total flux cleaned = -0.00150324 Jy ! Component: 550 - total flux cleaned = -0.00142291 Jy ! Component: 600 - total flux cleaned = -0.00142311 Jy ! Component: 650 - total flux cleaned = -0.00134533 Jy ! Component: 700 - total flux cleaned = -0.00142253 Jy ! Component: 750 - total flux cleaned = -0.0013455 Jy ! Component: 800 - total flux cleaned = -0.00134563 Jy ! Component: 850 - total flux cleaned = -0.0013831 Jy ! Component: 900 - total flux cleaned = -0.00123514 Jy ! Component: 950 - total flux cleaned = -0.0013088 Jy ! Component: 1000 - total flux cleaned = -0.00130882 Jy ! Component: 1050 - total flux cleaned = -0.00134481 Jy ! Component: 1100 - total flux cleaned = -0.00123744 Jy ! Component: 1150 - total flux cleaned = -0.00120237 Jy ! Component: 1200 - total flux cleaned = -0.00130732 Jy ! Component: 1250 - total flux cleaned = -0.0012376 Jy ! Component: 1300 - total flux cleaned = -0.00123824 Jy ! Component: 1350 - total flux cleaned = -0.0013066 Jy ! Component: 1400 - total flux cleaned = -0.00127247 Jy ! Component: 1450 - total flux cleaned = -0.00123901 Jy ! Component: 1500 - total flux cleaned = -0.00123939 Jy ! Component: 1550 - total flux cleaned = -0.00120574 Jy ! Component: 1600 - total flux cleaned = -0.00110666 Jy ! Component: 1650 - total flux cleaned = -0.0011724 Jy ! Component: 1700 - total flux cleaned = -0.00110704 Jy ! Component: 1750 - total flux cleaned = -0.00104259 Jy ! Component: 1800 - total flux cleaned = -0.00117099 Jy ! Component: 1850 - total flux cleaned = -0.00110672 Jy ! Component: 1900 - total flux cleaned = -0.00113836 Jy ! Component: 1950 - total flux cleaned = -0.00107488 Jy ! Component: 2000 - total flux cleaned = -0.00104338 Jy ! Total flux subtracted in 2048 components = -0.00104342 Jy ! Clean residual min=-0.001869 max=0.001854 Jy/beam ! Clean residual mean=0.000017 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.782158 Jy keep ! Adding 128 model components to the UV plane model. ! The established model now contains 208 components and 0.782157 Jy ![Exited script file: muppet] wmap "J0050-0929_S_2000_03_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.664 x 5.942 at 4.217 degrees (North through East) ! Clean map min=-0.0028416 max=0.73275 Jy/beam ! Writing clean map to FITS file: J0050-0929_S_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.732748 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000599672 device "J0050-0929_S_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0050-0929_S_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.245516 0.245516 0.491032 0.982064 1.96413 3.92826 7.85651 15.713 31.4261 62.8521 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.732 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.664 x 5.942 at 4.217 degrees (North through East) ! Clean map min=-0.0028416 max=0.73275 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0050-0929_S_2000_03_13_pus_uvs.log closed on Tue Apr 2 22:33:34 2013