! Started logfile: J0457-2324_X_2003_05_07_pus_uvs.log on Thu Dec 14 14:54:02 2006 obs J0457-2324_X_2003_05_07_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2003_05_07_pus_uva.fits ! AN table 1: 46 integrations on 171 of 171 possible baselines. ! AN table 2: 42 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.168394 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 1739 lines of history. ! ! Reading 10136 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 499 telescope corrections were flagged in sub-array 1. ! A total of 575 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 499 telescope corrections were flagged in sub-array 1. ! A total of 572 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 499 telescope corrections were flagged in sub-array 1. ! A total of 569 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 499 telescope corrections were flagged in sub-array 1. ! A total of 590 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.534608Jy sigma=0.013314 ! Fit after self-cal, rms=1.096726Jy sigma=0.010081 ! 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=0.7769 mas, bmaj=1.045 mas, bpa=15.71 degrees ! Estimated noise=2476.54 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 = 1.5607 Jy ! Component: 100 - total flux cleaned = 1.96067 Jy ! Total flux subtracted in 100 components = 1.96067 Jy ! Clean residual min=-0.060309 max=0.155752 Jy/beam ! Clean residual mean=0.001046 rms=0.022728 Jy/beam ! Combined flux in latest and established models = 1.96067 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 1.96067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.461401Jy sigma=0.003082 ! Fit after self-cal, rms=0.461616Jy sigma=0.003082 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.172263 Jy ! Component: 100 - total flux cleaned = 0.264324 Jy ! Total flux subtracted in 100 components = 0.264324 Jy ! Clean residual min=-0.035781 max=0.068175 Jy/beam ! Clean residual mean=0.000117 rms=0.011765 Jy/beam ! Combined flux in latest and established models = 2.22499 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 22 components and 2.22499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.388557Jy sigma=0.001890 ! Fit after self-cal, rms=0.388596Jy sigma=0.001889 ! 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=0.9262 mas, bmaj=1.39 mas, bpa=5.362 degrees ! Estimated noise=944.059 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 = 0.0798772 Jy ! Component: 100 - total flux cleaned = 0.115611 Jy ! Component: 150 - total flux cleaned = 0.132342 Jy ! Component: 200 - total flux cleaned = 0.13689 Jy ! Total flux subtracted in 200 components = 0.13689 Jy ! Clean residual min=-0.030224 max=0.044582 Jy/beam ! Clean residual mean=-0.000862 rms=0.009144 Jy/beam ! Combined flux in latest and established models = 2.36188 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 31 components and 2.36188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375392Jy sigma=0.001659 ! Fit after self-cal, rms=0.375387Jy sigma=0.001658 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 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 0.98 ! KK 1.00* KP 1.08 LA 0.97 MA 1.00* ! MC 1.00* MK 1.00* NL 1.07 ON 1.00* ! OV 0.98 PT 0.99 SC 0.98 TC 0.93 ! TS 1.00* WF 1.11 WZ 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.96 GG 1.00* HN 1.14 ! KK 0.94 KP 1.05 LA 0.96 MA 1.00* ! MC 1.00* MK 0.96 NL 6.66 ON 1.00* ! OV 0.95 PT 0.96 SC 1.00* TC 0.91 ! TS 1.00* WF 1.08 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 GG 1.00* HN 0.98 ! KK 1.00* KP 1.02 LA 0.98 MA 1.00* ! MC 1.00* MK 1.00* NL 1.03 ON 1.00* ! OV 0.98 PT 1.03 SC 0.94 TC 0.97 ! TS 1.00* WF 1.14 WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 GG 1.00* HN 1.17 ! KK 0.93 KP 1.00 LA 0.97 MA 1.00* ! MC 1.00* MK 0.97 NL 1.42 ON 1.00* ! OV 0.94 PT 1.00 SC 1.00* TC 0.96 ! TS 1.00* WF 1.09 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.95 GG 1.00* HN 0.97 ! KK 1.00* KP 0.95 LA 0.98 MA 1.00* ! MC 1.00* MK 1.00* NL 1.01 ON 1.00* ! OV 1.02 PT 1.06 SC 0.97 TC 1.79 ! TS 1.00* WF 1.09 WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.95 GG 1.00* HN 1.16 ! KK 1.00 KP 0.93 LA 0.98 MA 1.00* ! MC 1.00* MK 0.98 NL 3.38 ON 1.00* ! OV 0.98 PT 1.04 SC 1.00* TC 0.89 ! TS 1.00* WF 1.06 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 GG 1.00* HN 1.01 ! KK 1.00* KP 1.02 LA 0.96 MA 1.00* ! MC 1.00* MK 1.00* NL 1.02 ON 1.00* ! OV 1.02 PT 1.07 SC 1.01 TC 1.00 ! TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.94 GG 1.00* HN 1.21 ! KK 0.96 KP 1.00 LA 0.96 MA 1.00* ! MC 1.00* MK 1.02 NL 1.17 ON 1.00* ! OV 0.97 PT 1.04 SC 1.00* TC 0.95 ! TS 1.00* WF 1.10 WZ 1.00* ! ! ! Fit before self-cal, rms=0.375387Jy sigma=0.001658 ! Fit after self-cal, rms=0.476784Jy sigma=0.001254 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9268 mas, bmaj=1.409 mas, bpa=5.266 degrees ! Estimated noise=944.541 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 (0.2, -3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115028 Jy ! Component: 100 - total flux cleaned = 0.013123 Jy ! Component: 150 - total flux cleaned = 0.0131102 Jy ! Component: 200 - total flux cleaned = 0.0131202 Jy ! Total flux subtracted in 200 components = 0.0131202 Jy ! Clean residual min=-0.007242 max=0.010507 Jy/beam ! Clean residual mean=0.000368 rms=0.002319 Jy/beam ! Combined flux in latest and established models = 2.375 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 45 components and 2.375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.475590Jy sigma=0.001243 ! Fit after self-cal, rms=0.476105Jy sigma=0.001243 ! 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=0.476105Jy sigma=0.001243 ! Fit after self-cal, rms=0.475329Jy sigma=0.001242 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.926 mas, bmaj=1.41 mas, bpa=5.169 degrees ! Estimated noise=944.974 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519365 Jy ! Component: 100 - total flux cleaned = 0.00545989 Jy ! Component: 150 - total flux cleaned = 0.00545554 Jy ! Component: 200 - total flux cleaned = 0.00545837 Jy ! Total flux subtracted in 200 components = 0.00545837 Jy ! Clean residual min=-0.006461 max=0.009315 Jy/beam ! Clean residual mean=0.000358 rms=0.002072 Jy/beam ! Combined flux in latest and established models = 2.38046 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 2.38046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.474743Jy sigma=0.001238 ! Fit after self-cal, rms=0.474723Jy sigma=0.001238 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 (-3.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00478277 Jy ! Component: 100 - total flux cleaned = 0.00500395 Jy ! Component: 150 - total flux cleaned = 0.00500813 Jy ! Component: 200 - total flux cleaned = 0.00501032 Jy ! Total flux subtracted in 200 components = 0.00501032 Jy ! Clean residual min=-0.006297 max=0.007447 Jy/beam ! Clean residual mean=0.000285 rms=0.001805 Jy/beam ! Combined flux in latest and established models = 2.38547 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 61 components and 2.38547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.474214Jy sigma=0.001235 ! Fit after self-cal, rms=0.474156Jy sigma=0.001235 ! 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=0.474156Jy sigma=0.001235 ! Fit after self-cal, rms=0.473504Jy sigma=0.001235 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9255 mas, bmaj=1.413 mas, bpa=5.058 degrees ! Estimated noise=945.601 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00452341 Jy ! Component: 100 - total flux cleaned = 0.00452143 Jy ! Component: 150 - total flux cleaned = 0.00452094 Jy ! Component: 200 - total flux cleaned = 0.00452353 Jy ! Total flux subtracted in 200 components = 0.00452353 Jy ! Clean residual min=-0.005624 max=0.006591 Jy/beam ! Clean residual mean=0.000254 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 2.39 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 67 components and 2.39 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.473122Jy sigma=0.001233 ! Fit after self-cal, rms=0.473092Jy sigma=0.001233 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 = 0.00116227 Jy ! Component: 100 - total flux cleaned = 0.00116352 Jy ! Component: 150 - total flux cleaned = 0.00116388 Jy ! Component: 200 - total flux cleaned = 0.00116193 Jy ! Total flux subtracted in 200 components = 0.00116193 Jy ! Clean residual min=-0.005653 max=0.005973 Jy/beam ! Clean residual mean=0.000237 rms=0.001557 Jy/beam ! Combined flux in latest and established models = 2.39116 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 69 components and 2.39116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.472830Jy sigma=0.001232 ! Fit after self-cal, rms=0.472808Jy sigma=0.001232 ! Inverting map 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=0.472808Jy sigma=0.001232 ! Fit after self-cal, rms=0.472440Jy sigma=0.001232 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.261 mas, bmaj=5.16 mas, bpa=-5.804 degrees ! Estimated noise=1073.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153043 Jy ! Component: 100 - total flux cleaned = 0.00189217 Jy ! Component: 150 - total flux cleaned = 0.00182129 Jy ! Component: 200 - total flux cleaned = 0.00194736 Jy ! Total flux subtracted in 200 components = 0.00194736 Jy ! Clean residual min=-0.002488 max=0.004452 Jy/beam ! Clean residual mean=0.000508 rms=0.001252 Jy/beam ! Combined flux in latest and established models = 2.3931 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 82 components and 2.3931 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.472529Jy sigma=0.001232 ! Fit after self-cal, rms=0.472517Jy sigma=0.001232 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 = 0.000292131 Jy ! Component: 100 - total flux cleaned = 0.000291567 Jy ! Component: 150 - total flux cleaned = 0.000399445 Jy ! Component: 200 - total flux cleaned = 0.000498555 Jy ! Total flux subtracted in 200 components = 0.000498555 Jy ! Clean residual min=-0.002328 max=0.004072 Jy/beam ! Clean residual mean=0.000485 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 2.3936 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 85 components and 2.3936 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.472576Jy sigma=0.001232 ! Fit after self-cal, rms=0.472574Jy sigma=0.001232 ! 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=0.9251 mas, bmaj=1.415 mas, bpa=4.979 degrees ! Estimated noise=946.121 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9251 x 1.415 at 4.979 degrees (North through East) ! Clean map min=-0.012758 max=2.0691 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=0.472574Jy sigma=0.001232 ! Fit after self-cal, rms=0.472441Jy sigma=0.001124 ! Inverting map and beam ! Estimated beam: bmin=0.9253 mas, bmaj=1.415 mas, bpa=4.94 degrees ! Estimated noise=946.264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00280294 Jy ! Component: 100 - total flux cleaned = 0.00312204 Jy ! Component: 150 - total flux cleaned = 0.00312232 Jy ! Component: 200 - total flux cleaned = 0.00326124 Jy ! Total flux subtracted in 200 components = 0.00326124 Jy ! Clean residual min=-0.004772 max=0.005232 Jy/beam ! Clean residual mean=0.000193 rms=0.001371 Jy/beam ! Combined flux in latest and established models = 2.39686 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 89 components and 2.39686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.472166Jy sigma=0.001123 ! Fit after self-cal, rms=0.472154Jy sigma=0.001123 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000283672 Jy ! Component: 100 - total flux cleaned = 0.000280236 Jy ! Component: 150 - total flux cleaned = 0.000275176 Jy ! Component: 200 - total flux cleaned = 0.000273121 Jy ! Total flux subtracted in 200 components = 0.000273121 Jy ! Clean residual min=-0.004642 max=0.004940 Jy/beam ! Clean residual mean=0.000190 rms=0.001332 Jy/beam ! Combined flux in latest and established models = 2.39714 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 91 components and 2.39714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.471969Jy sigma=0.001123 ! Fit after self-cal, rms=0.471957Jy sigma=0.001123 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.471957Jy sigma=0.001123 ! Fit after self-cal, rms=0.472579Jy sigma=0.001123 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=0.7719 mas, bmaj=1.046 mas, bpa=15.22 degrees ! Estimated noise=2482.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.56469 Jy ! Component: 100 - total flux cleaned = 1.97018 Jy ! Component: 150 - total flux cleaned = 2.15263 Jy ! Component: 200 - total flux cleaned = 2.25064 Jy ! Total flux subtracted in 200 components = 2.25064 Jy ! Clean residual min=-0.021011 max=0.048217 Jy/beam ! Clean residual mean=0.000635 rms=0.007322 Jy/beam ! Combined flux in latest and established models = 2.25064 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 25 model components to the UV plane model. ! The established model now contains 25 components and 2.25064 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9249 mas, bmaj=1.416 mas, bpa=4.867 degrees ! Estimated noise=946.595 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 = 0.0733978 Jy ! Component: 100 - total flux cleaned = 0.107317 Jy ! Component: 150 - total flux cleaned = 0.126221 Jy ! Component: 200 - total flux cleaned = 0.138155 Jy ! Total flux subtracted in 200 components = 0.138155 Jy ! Clean residual min=-0.006960 max=0.008726 Jy/beam ! Clean residual mean=0.000373 rms=0.002077 Jy/beam ! Combined flux in latest and established models = 2.38879 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 44 components and 2.38879 Jy ! Inverting map 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 ! Estimated beam: bmin=2.26 mas, bmaj=5.158 mas, bpa=-5.802 degrees ! Estimated noise=1074.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00686431 Jy ! Component: 100 - total flux cleaned = 0.00739085 Jy ! Component: 150 - total flux cleaned = 0.00753152 Jy ! Component: 200 - total flux cleaned = 0.00765843 Jy ! Total flux subtracted in 200 components = 0.00765843 Jy ! Clean residual min=-0.003429 max=0.004762 Jy/beam ! Clean residual mean=0.000479 rms=0.001444 Jy/beam ! Combined flux in latest and established models = 2.39645 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 = 0.000222664 Jy ! Component: 100 - total flux cleaned = 0.000326831 Jy ! Component: 150 - total flux cleaned = 0.000513515 Jy ! Component: 200 - total flux cleaned = 0.00068005 Jy ! Total flux subtracted in 200 components = 0.00068005 Jy ! Clean residual min=-0.002817 max=0.004327 Jy/beam ! Clean residual mean=0.000449 rms=0.001273 Jy/beam ! Combined flux in latest and established models = 2.39713 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 64 components and 2.39713 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9249 mas, bmaj=1.416 mas, bpa=4.867 degrees ! Estimated noise=946.595 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000880703 Jy ! Component: 100 - total flux cleaned = -0.00114768 Jy ! Component: 150 - total flux cleaned = -0.000694612 Jy ! Component: 200 - total flux cleaned = -0.000485954 Jy ! Total flux subtracted in 200 components = -0.000485954 Jy ! Clean residual min=-0.005746 max=0.005997 Jy/beam ! Clean residual mean=0.000220 rms=0.001607 Jy/beam ! Combined flux in latest and established models = 2.39664 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 79 components and 2.39664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.473191Jy sigma=0.001127 ! Fit after self-cal, rms=0.473194Jy sigma=0.001127 wmodel J0457-2324_X_2003_05_07_pus_map.mod ! Writing 79 model components to file: J0457-2324_X_2003_05_07_pus_map.mod wobs J0457-2324_X_2003_05_07_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2003_05_07_pus_uvs.fits wwins J0457-2324_X_2003_05_07_pus_map.win ! wwins: Wrote 3 windows to J0457-2324_X_2003_05_07_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=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000351125 Jy ! Component: 100 - total flux cleaned = 0.000550573 Jy ! Component: 150 - total flux cleaned = 0.000830503 Jy ! Component: 200 - total flux cleaned = 0.00101284 Jy ! Component: 250 - total flux cleaned = 0.00127066 Jy ! Component: 300 - total flux cleaned = 0.00135294 Jy ! Component: 350 - total flux cleaned = 0.00151474 Jy ! Component: 400 - total flux cleaned = 0.00182726 Jy ! Component: 450 - total flux cleaned = 0.00205495 Jy ! Component: 500 - total flux cleaned = 0.00227761 Jy ! Component: 550 - total flux cleaned = 0.00249694 Jy ! Component: 600 - total flux cleaned = 0.00285236 Jy ! Component: 650 - total flux cleaned = 0.0030624 Jy ! Component: 700 - total flux cleaned = 0.00333667 Jy ! Component: 750 - total flux cleaned = 0.00353823 Jy ! Component: 800 - total flux cleaned = 0.00360384 Jy ! Component: 850 - total flux cleaned = 0.00366967 Jy ! Component: 900 - total flux cleaned = 0.00379923 Jy ! Component: 950 - total flux cleaned = 0.00386247 Jy ! Component: 1000 - total flux cleaned = 0.00405028 Jy ! Total flux subtracted in 1024 components = 0.0041739 Jy ! Clean residual min=-0.003077 max=0.003270 Jy/beam ! Clean residual mean=0.000158 rms=0.001171 Jy/beam ! Combined flux in latest and established models = 2.40082 Jy keep ! Adding 65 model components to the UV plane model. ! The established model now contains 142 components and 2.40082 Jy wmap "J0457-2324_X_2003_05_07_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9249 x 1.416 at 4.867 degrees (North through East) ! Clean map min=-0.0054615 max=2.0663 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2003_05_07_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.06632 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0011708 device "J0457-2324_X_2003_05_07_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2003_05_07_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.169983 0.169983 0.339967 0.679933 1.35987 2.71973 5.43947 10.8789 21.7579 43.5157 87.0314 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.066 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9249 x 1.416 at 4.867 degrees (North through East) ! Clean map min=-0.0054615 max=2.0663 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_2003_05_07_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_2003_05_07_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_2003_05_07_pus_uvs.log closed on Thu Dec 14 14:54:33 2006