! Started logfile: J0808+4950_S_2003_06_18_pus_uvs.log on Wed Jan 24 17:42:47 2007 obs J0808+4950_S_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0808+4950_S_2003_06_18_pus_uva.fits ! AN table 1: 153 integrations on 153 of 153 possible baselines. ! AN table 2: 110 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0594697 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0808+4950 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2429 lines of history. ! ! Reading 9572 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 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 2006 telescope corrections were flagged in sub-array 1. ! A total of 1634 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2006 telescope corrections were flagged in sub-array 1. ! A total of 1634 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2006 telescope corrections were flagged in sub-array 1. ! A total of 1634 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2006 telescope corrections were flagged in sub-array 1. ! A total of 1633 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.606497Jy sigma=0.008608 ! Fit after self-cal, rms=0.455882Jy sigma=0.006445 ! 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=2.213 mas, bmaj=4.914 mas, bpa=23.83 degrees ! Estimated noise=994.834 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 = 0.412006 Jy ! Component: 100 - total flux cleaned = 0.546501 Jy ! Total flux subtracted in 100 components = 0.546501 Jy ! Clean residual min=-0.019578 max=0.052566 Jy/beam ! Clean residual mean=-0.000145 rms=0.006838 Jy/beam ! Combined flux in latest and established models = 0.546501 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.546501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168234Jy sigma=0.002234 ! Fit after self-cal, rms=0.167902Jy sigma=0.002232 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0542779 Jy ! Component: 100 - total flux cleaned = 0.0824589 Jy ! Total flux subtracted in 100 components = 0.0824589 Jy ! Clean residual min=-0.012315 max=0.014842 Jy/beam ! Clean residual mean=-0.000031 rms=0.003584 Jy/beam ! Combined flux in latest and established models = 0.62896 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 16 components and 0.62896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145693Jy sigma=0.001893 ! Fit after self-cal, rms=0.145591Jy sigma=0.001892 ! 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=2.959 mas, bmaj=5.663 mas, bpa=12.12 degrees ! Estimated noise=536.12 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 = 0.0212443 Jy ! Component: 100 - total flux cleaned = 0.0309727 Jy ! Component: 150 - total flux cleaned = 0.0361637 Jy ! Component: 200 - total flux cleaned = 0.0391336 Jy ! Total flux subtracted in 200 components = 0.0391336 Jy ! Clean residual min=-0.008155 max=0.007356 Jy/beam ! Clean residual mean=-0.000065 rms=0.002484 Jy/beam ! Combined flux in latest and established models = 0.668093 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 39 components and 0.668093 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143101Jy sigma=0.001847 ! Fit after self-cal, rms=0.143075Jy sigma=0.001847 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 129 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GG 1.00* HN 0.96 ! KK 1.00 KP 0.95 LA 0.99 MA 1.00* ! MK 0.99 NL 1.01 ON 1.00* OV 1.00 ! PT 0.97 SC 0.93 TC 1.00* TS 0.99 ! WF 1.00* WZ 1.00* ! ! A total of 222 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.93 GG 1.00* HN 1.00* ! KK 1.00* KP 1.14 LA 1.02 MA 1.00* ! MK 1.05 NL 1.00* ON 1.00* OV 1.00 ! PT 1.21 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 129 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GG 1.00* HN 1.04 ! KK 1.03 KP 1.03 LA 0.99 MA 1.00* ! MK 1.07 NL 0.97 ON 1.00* OV 0.98 ! PT 0.96 SC 0.96 TC 1.00* TS 0.99 ! WF 1.00* WZ 1.00* ! ! A total of 222 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.97 GG 1.00* HN 1.00* ! KK 1.00* KP 1.05 LA 1.07 MA 1.00* ! MK 1.04 NL 1.00* ON 1.00* OV 0.96 ! PT 1.12 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 129 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GG 1.00* HN 1.07 ! KK 1.02 KP 1.01 LA 0.95 MA 1.00* ! MK 1.04 NL 0.99 ON 1.00* OV 1.03 ! PT 0.98 SC 1.10 TC 1.00* TS 1.00 ! WF 1.00* WZ 1.00* ! ! A total of 222 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.94 GG 1.00* HN 1.00* ! KK 1.00* KP 1.14 LA 1.02 MA 1.00* ! MK 0.98 NL 1.00* ON 1.00* OV 0.84 ! PT 1.22 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 129 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GG 1.00* HN 0.98 ! KK 1.06 KP 1.02 LA 1.00 MA 1.00* ! MK 1.00 NL 1.05 ON 1.00* OV 0.99 ! PT 1.01 SC 1.14 TC 1.00* TS 1.02 ! WF 1.00* WZ 1.00* ! ! A total of 219 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.96 GG 1.00* HN 1.00* ! KK 1.00* KP 1.10 LA 1.03 MA 1.00* ! MK 0.96 NL 1.00* ON 1.00* OV 1.03 ! PT 1.13 SC 1.00* TC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.143075Jy sigma=0.001847 ! Fit after self-cal, rms=0.135929Jy sigma=0.001777 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.85 mas, bmaj=5.491 mas, bpa=13.54 degrees ! Estimated noise=570.083 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 = 0.00116604 Jy ! Component: 100 - total flux cleaned = 0.00136238 Jy ! Component: 150 - total flux cleaned = 0.0014162 Jy ! Component: 200 - total flux cleaned = 0.00141625 Jy ! Total flux subtracted in 200 components = 0.00141625 Jy ! Clean residual min=-0.004651 max=0.004696 Jy/beam ! Clean residual mean=-0.000013 rms=0.001152 Jy/beam ! Combined flux in latest and established models = 0.66951 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 0.66951 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135863Jy sigma=0.001776 ! Fit after self-cal, rms=0.135930Jy sigma=0.001776 ! 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=0.135930Jy sigma=0.001776 ! Fit after self-cal, rms=0.135898Jy sigma=0.001776 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.848 mas, bmaj=5.483 mas, bpa=13.59 degrees ! Estimated noise=569.829 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000331267 Jy ! Component: 100 - total flux cleaned = 0.000556682 Jy ! Component: 150 - total flux cleaned = 0.000735486 Jy ! Component: 200 - total flux cleaned = 0.000772686 Jy ! Total flux subtracted in 200 components = 0.000772686 Jy ! Clean residual min=-0.004560 max=0.004487 Jy/beam ! Clean residual mean=-0.000014 rms=0.001124 Jy/beam ! Combined flux in latest and established models = 0.670282 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 52 components and 0.670282 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135861Jy sigma=0.001775 ! Fit after self-cal, rms=0.135857Jy sigma=0.001775 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 = -7.86333e-05 Jy ! Component: 100 - total flux cleaned = 0.000109774 Jy ! Component: 150 - total flux cleaned = 0.000197595 Jy ! Component: 200 - total flux cleaned = 0.000196846 Jy ! Total flux subtracted in 200 components = 0.000196846 Jy ! Clean residual min=-0.004582 max=0.004327 Jy/beam ! Clean residual mean=-0.000013 rms=0.001114 Jy/beam ! Combined flux in latest and established models = 0.670479 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 53 components and 0.670479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135841Jy sigma=0.001775 ! Fit after self-cal, rms=0.135839Jy sigma=0.001775 ! 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=0.135839Jy sigma=0.001775 ! Fit after self-cal, rms=0.135929Jy sigma=0.001771 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.849 mas, bmaj=5.477 mas, bpa=13.59 degrees ! Estimated noise=570.376 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000445482 Jy ! Component: 100 - total flux cleaned = 0.000597926 Jy ! Component: 150 - total flux cleaned = 0.00071824 Jy ! Component: 200 - total flux cleaned = 0.000846379 Jy ! Total flux subtracted in 200 components = 0.000846379 Jy ! Clean residual min=-0.003647 max=0.004336 Jy/beam ! Clean residual mean=-0.000016 rms=0.000988 Jy/beam ! Combined flux in latest and established models = 0.671325 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 60 components and 0.671326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135913Jy sigma=0.001771 ! Fit after self-cal, rms=0.135921Jy sigma=0.001771 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) ! Added new window around map position (-20, -57.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207343 Jy ! Component: 100 - total flux cleaned = 0.00277961 Jy ! Component: 150 - total flux cleaned = 0.00352479 Jy ! Component: 200 - total flux cleaned = 0.00429834 Jy ! Total flux subtracted in 200 components = 0.00429834 Jy ! Clean residual min=-0.003639 max=0.003563 Jy/beam ! Clean residual mean=-0.000028 rms=0.000880 Jy/beam ! Combined flux in latest and established models = 0.675624 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 78 components and 0.675624 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135785Jy sigma=0.001768 ! Fit after self-cal, rms=0.135776Jy sigma=0.001768 ! 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=0.135776Jy sigma=0.001768 ! Fit after self-cal, rms=0.135765Jy sigma=0.001768 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.537 mas, bmaj=13.68 mas, bpa=-15.1 degrees ! Estimated noise=751.481 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0020585 Jy ! Component: 100 - total flux cleaned = 0.00304155 Jy ! Component: 150 - total flux cleaned = 0.00308162 Jy ! Component: 200 - total flux cleaned = 0.00304736 Jy ! Total flux subtracted in 200 components = 0.00304736 Jy ! Clean residual min=-0.002790 max=0.002624 Jy/beam ! Clean residual mean=-0.000052 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.678671 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 85 components and 0.678671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135762Jy sigma=0.001768 ! Fit after self-cal, rms=0.135759Jy sigma=0.001768 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 = -4.58254e-06 Jy ! Component: 100 - total flux cleaned = 9.76857e-05 Jy ! Component: 150 - total flux cleaned = 9.85103e-05 Jy ! Component: 200 - total flux cleaned = 7.41421e-05 Jy ! Total flux subtracted in 200 components = 7.41421e-05 Jy ! Clean residual min=-0.002679 max=0.002533 Jy/beam ! Clean residual mean=-0.000051 rms=0.000864 Jy/beam ! Combined flux in latest and established models = 0.678746 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 87 components and 0.678745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135756Jy sigma=0.001768 ! Fit after self-cal, rms=0.135753Jy sigma=0.001768 ! 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=2.848 mas, bmaj=5.474 mas, bpa=13.64 degrees ! Estimated noise=570.344 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.848 x 5.474 at 13.64 degrees (North through East) ! Clean map min=-0.0039311 max=0.54155 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=0.135753Jy sigma=0.001768 ! Fit after self-cal, rms=0.123390Jy sigma=0.001535 ! Inverting map and beam ! Estimated beam: bmin=2.843 mas, bmaj=5.475 mas, bpa=13.72 degrees ! Estimated noise=570.244 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.69544e-05 Jy ! Component: 100 - total flux cleaned = -0.000291767 Jy ! Component: 150 - total flux cleaned = -0.00037415 Jy ! Component: 200 - total flux cleaned = -0.000450674 Jy ! Total flux subtracted in 200 components = -0.000450674 Jy ! Clean residual min=-0.003373 max=0.003230 Jy/beam ! Clean residual mean=-0.000022 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 0.678295 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 99 components and 0.678295 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123359Jy sigma=0.001535 ! Fit after self-cal, rms=0.123359Jy sigma=0.001535 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.05385e-05 Jy ! Component: 100 - total flux cleaned = -1.31431e-05 Jy ! Component: 150 - total flux cleaned = 4.84608e-05 Jy ! Component: 200 - total flux cleaned = 7.75719e-05 Jy ! Total flux subtracted in 200 components = 7.75719e-05 Jy ! Clean residual min=-0.003319 max=0.003183 Jy/beam ! Clean residual mean=-0.000022 rms=0.000802 Jy/beam ! Combined flux in latest and established models = 0.678372 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 105 components and 0.678372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123344Jy sigma=0.001534 ! Fit after self-cal, rms=0.123344Jy sigma=0.001534 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123344Jy sigma=0.001534 ! Fit after self-cal, rms=0.123360Jy sigma=0.001534 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=2.201 mas, bmaj=4.92 mas, bpa=24.12 degrees ! Estimated noise=1015.62 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.410669 Jy ! Component: 100 - total flux cleaned = 0.546857 Jy ! Component: 150 - total flux cleaned = 0.60019 Jy ! Component: 200 - total flux cleaned = 0.626282 Jy ! Total flux subtracted in 200 components = 0.626282 Jy ! Clean residual min=-0.009256 max=0.012872 Jy/beam ! Clean residual mean=-0.000083 rms=0.002615 Jy/beam ! Combined flux in latest and established models = 0.626282 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.626282 Jy ! Inverting map and beam ! Estimated beam: bmin=2.843 mas, bmaj=5.474 mas, bpa=13.74 degrees ! Estimated noise=570.028 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 = 0.0217652 Jy ! Component: 100 - total flux cleaned = 0.0321118 Jy ! Component: 150 - total flux cleaned = 0.0366662 Jy ! Component: 200 - total flux cleaned = 0.03926 Jy ! Total flux subtracted in 200 components = 0.03926 Jy ! Clean residual min=-0.003728 max=0.003538 Jy/beam ! Clean residual mean=-0.000030 rms=0.001018 Jy/beam ! Combined flux in latest and established models = 0.665542 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 56 components and 0.665543 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=8.534 mas, bmaj=13.7 mas, bpa=-15.11 degrees ! Estimated noise=751.487 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00487406 Jy ! Component: 100 - total flux cleaned = 0.00774401 Jy ! Component: 150 - total flux cleaned = 0.00884993 Jy ! Component: 200 - total flux cleaned = 0.00932882 Jy ! Total flux subtracted in 200 components = 0.00932882 Jy ! Clean residual min=-0.002650 max=0.002663 Jy/beam ! Clean residual mean=-0.000049 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 0.674871 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 = 0.000403951 Jy ! Component: 100 - total flux cleaned = 0.000744965 Jy ! Component: 150 - total flux cleaned = 0.000990669 Jy ! Component: 200 - total flux cleaned = 0.00116713 Jy ! Total flux subtracted in 200 components = 0.00116713 Jy ! Clean residual min=-0.002479 max=0.002927 Jy/beam ! Clean residual mean=-0.000051 rms=0.000830 Jy/beam ! Combined flux in latest and established models = 0.676038 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 84 components and 0.676039 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.843 mas, bmaj=5.474 mas, bpa=13.74 degrees ! Estimated noise=570.028 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000479211 Jy ! Component: 100 - total flux cleaned = -0.000485857 Jy ! Component: 150 - total flux cleaned = -0.000369092 Jy ! Component: 200 - total flux cleaned = -0.000318533 Jy ! Total flux subtracted in 200 components = -0.000318533 Jy ! Clean residual min=-0.003528 max=0.003634 Jy/beam ! Clean residual mean=-0.000023 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.67572 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 98 components and 0.67572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123414Jy sigma=0.001535 ! Fit after self-cal, rms=0.123385Jy sigma=0.001535 wmodel J0808+4950_S_2003_06_18_pus_map.mod ! Writing 98 model components to file: J0808+4950_S_2003_06_18_pus_map.mod wobs J0808+4950_S_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0808+4950_S_2003_06_18_pus_uvs.fits wwins J0808+4950_S_2003_06_18_pus_map.win ! wwins: Wrote 2 windows to J0808+4950_S_2003_06_18_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 = -0.000172473 Jy ! Component: 100 - total flux cleaned = -0.000658573 Jy ! Component: 150 - total flux cleaned = -0.00109971 Jy ! Component: 200 - total flux cleaned = -0.00156098 Jy ! Component: 250 - total flux cleaned = -0.00213571 Jy ! Component: 300 - total flux cleaned = -0.0025612 Jy ! Component: 350 - total flux cleaned = -0.00268511 Jy ! Component: 400 - total flux cleaned = -0.00284531 Jy ! Component: 450 - total flux cleaned = -0.00296201 Jy ! Component: 500 - total flux cleaned = -0.00322702 Jy ! Component: 550 - total flux cleaned = -0.00337425 Jy ! Component: 600 - total flux cleaned = -0.00351807 Jy ! Component: 650 - total flux cleaned = -0.00369356 Jy ! Component: 700 - total flux cleaned = -0.00376231 Jy ! Component: 750 - total flux cleaned = -0.00389738 Jy ! Component: 800 - total flux cleaned = -0.00399674 Jy ! Component: 850 - total flux cleaned = -0.00412569 Jy ! Component: 900 - total flux cleaned = -0.00415736 Jy ! Component: 950 - total flux cleaned = -0.00434272 Jy ! Component: 1000 - total flux cleaned = -0.00434305 Jy ! Component: 1050 - total flux cleaned = -0.00446306 Jy ! Component: 1100 - total flux cleaned = -0.00449207 Jy ! Component: 1150 - total flux cleaned = -0.00457901 Jy ! Component: 1200 - total flux cleaned = -0.00469249 Jy ! Component: 1250 - total flux cleaned = -0.00483238 Jy ! Component: 1300 - total flux cleaned = -0.00488825 Jy ! Component: 1350 - total flux cleaned = -0.00505146 Jy ! Component: 1400 - total flux cleaned = -0.0050784 Jy ! Component: 1450 - total flux cleaned = -0.00518407 Jy ! Component: 1500 - total flux cleaned = -0.00521036 Jy ! Component: 1550 - total flux cleaned = -0.00539029 Jy ! Component: 1600 - total flux cleaned = -0.00541507 Jy ! Component: 1650 - total flux cleaned = -0.00551525 Jy ! Component: 1700 - total flux cleaned = -0.0054406 Jy ! Component: 1750 - total flux cleaned = -0.0054651 Jy ! Component: 1800 - total flux cleaned = -0.00553812 Jy ! Component: 1850 - total flux cleaned = -0.00568143 Jy ! Component: 1900 - total flux cleaned = -0.00568145 Jy ! Component: 1950 - total flux cleaned = -0.00577514 Jy ! Component: 2000 - total flux cleaned = -0.00577535 Jy ! Total flux subtracted in 2048 components = -0.00591238 Jy ! Clean residual min=-0.001537 max=0.001547 Jy/beam ! Clean residual mean=-0.000016 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.669808 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 238 components and 0.669808 Jy wmap "J0808+4950_S_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.843 x 5.474 at 13.74 degrees (North through East) ! Clean map min=-0.0044787 max=0.54385 Jy/beam ! Writing clean map to FITS file: J0808+4950_S_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.543849 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000443338 device "J0808+4950_S_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0808+4950_S_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.244555 0.244555 0.489111 0.978222 1.95644 3.91289 7.82577 15.6515 31.3031 62.6062 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.543 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.843 x 5.474 at 13.74 degrees (North through East) ! Clean map min=-0.0044787 max=0.54385 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0808+4950_S_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0808+4950_S_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0808+4950_S_2003_06_18_pus_uvs.log closed on Wed Jan 24 17:45:31 2007