! Started logfile: J0457-2324_S_2000_03_13_pus_uvs.log on Tue Apr 2 14:39:11 2013 obs J0457-2324_S_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0457-2324_S_2000_03_13_pus_uva.fits ! AN table 1: 79 integrations on 190 of 190 possible baselines. ! AN table 2: 66 integrations on 190 of 190 possible baselines. ! AN table 3: 91 integrations on 190 of 190 possible baselines. ! AN table 4: 26 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0496585 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 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 2247 lines of history. ! ! Reading 9888 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 J0457-2324_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 1450 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 1330 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1450 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 1330 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1450 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 1330 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1450 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 1330 telescope corrections were flagged in sub-array 3. ! A total of 520 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.842799Jy sigma=0.006281 ! Fit after self-cal, rms=0.313965Jy sigma=0.001762 ! 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=2.039 mas, bmaj=4.638 mas, bpa=8.523 degrees ! Estimated noise=1672.97 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 = 0.732583 Jy ! Component: 100 - total flux cleaned = 0.929172 Jy ! Total flux subtracted in 100 components = 0.929172 Jy ! Clean residual min=-0.031483 max=0.082566 Jy/beam ! Clean residual mean=0.000114 rms=0.010659 Jy/beam ! Combined flux in latest and established models = 0.929172 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.929172 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.313018Jy sigma=0.001934 ! Fit after self-cal, rms=0.312583Jy sigma=0.001933 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0890056 Jy ! Component: 100 - total flux cleaned = 0.132625 Jy ! Total flux subtracted in 100 components = 0.132625 Jy ! Clean residual min=-0.025389 max=0.029631 Jy/beam ! Clean residual mean=0.000046 rms=0.006452 Jy/beam ! Combined flux in latest and established models = 1.0618 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 25 components and 1.0618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281221Jy sigma=0.001507 ! Fit after self-cal, rms=0.280979Jy sigma=0.001507 ! 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=3.021 mas, bmaj=6.467 mas, bpa=15.05 degrees ! Estimated noise=998.604 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 = 0.0415829 Jy ! Component: 100 - total flux cleaned = 0.0614004 Jy ! Component: 150 - total flux cleaned = 0.0708934 Jy ! Component: 200 - total flux cleaned = 0.073123 Jy ! Total flux subtracted in 200 components = 0.073123 Jy ! Clean residual min=-0.016421 max=0.023940 Jy/beam ! Clean residual mean=-0.000067 rms=0.005302 Jy/beam ! Combined flux in latest and established models = 1.13492 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 29 components and 1.13492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275896Jy sigma=0.001430 ! Fit after self-cal, rms=0.275949Jy sigma=0.001430 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* KP 0.75 ! LA 1.02 NL 1.01 OV 1.00 PT 1.00 ! SC 1.00 WF 1.12 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.15 GC 1.00* KP 1.00* ! LA 1.00* NL 1.19 OV 1.00* PT 1.00* ! SC 0.99 WF 1.00 HH 1.00 KK 1.00* ! MA 1.00* MC 0.94 MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 GC 1.00* KP 0.94 ! LA 1.00 NL 1.02 OV 1.02 PT 0.99 ! SC 1.00 WF 1.01 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.93 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.06 ! ! Telescope amplitude corrections in sub-array 4: ! 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 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* KP 0.88 ! LA 1.00 NL 1.02 OV 0.99 PT 0.99 ! SC 1.00 WF 0.96 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.09 GC 1.00* KP 1.00* ! LA 1.00* NL 1.19 OV 1.00* PT 1.00* ! SC 1.01 WF 1.04 HH 0.96 KK 1.00* ! MA 1.00* MC 0.98 MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 0.97 GC 1.00* KP 0.94 ! LA 0.99 NL 1.03 OV 1.00 PT 1.00 ! SC 1.00 WF 1.04 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.95 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.04 ! ! Telescope amplitude corrections in sub-array 4: ! 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 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* KP 1.00 ! LA 0.99 NL 0.99 OV 1.04 PT 0.96 ! SC 1.00 WF 1.87 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.05 GC 1.00* KP 1.00* ! LA 1.00* NL 1.14 OV 1.00* PT 1.00* ! SC 1.01 WF 1.63 HH 0.86 KK 1.00* ! MA 1.00* MC 1.65 MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.94 GC 1.00* KP 1.09 ! LA 0.99 NL 0.98 OV 1.03 PT 0.97 ! SC 1.02 WF 1.39 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.95 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.02 ! ! Telescope amplitude corrections in sub-array 4: ! 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 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* KP 0.93 ! LA 1.00 NL 0.97 OV 1.04 PT 0.96 ! SC 1.00 WF 1.00 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.10 GC 1.00* KP 1.00* ! LA 1.00* NL 1.13 OV 1.00* PT 1.00* ! SC 0.99 WF 1.01 HH 0.88 KK 1.00* ! MA 1.00* MC 0.98 MK 1.00* NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 0.97 GC 1.00* KP 1.00 ! LA 0.98 NL 0.98 OV 1.01 PT 0.96 ! SC 1.01 WF 1.06 HH 1.00* KK 1.00* ! MA 1.00* MC 1.00* MK 0.95 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 1.04 ! ! Telescope amplitude corrections in sub-array 4: ! 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=0.275949Jy sigma=0.001430 ! Fit after self-cal, rms=0.293882Jy sigma=0.001282 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.019 mas, bmaj=7.355 mas, bpa=13.64 degrees ! Estimated noise=1001.59 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 (-5.5, -6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00848821 Jy ! Component: 100 - total flux cleaned = 0.00804594 Jy ! Component: 150 - total flux cleaned = 0.00787274 Jy ! Component: 200 - total flux cleaned = 0.00787321 Jy ! Total flux subtracted in 200 components = 0.00787321 Jy ! Clean residual min=-0.005277 max=0.005952 Jy/beam ! Clean residual mean=-0.000019 rms=0.001434 Jy/beam ! Combined flux in latest and established models = 1.14279 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 43 components and 1.14279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.293402Jy sigma=0.001277 ! Fit after self-cal, rms=0.295314Jy sigma=0.001275 ! 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=0.295314Jy sigma=0.001275 ! Fit after self-cal, rms=0.299630Jy sigma=0.001275 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.018 mas, bmaj=7.351 mas, bpa=13.55 degrees ! Estimated noise=1000.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00489609 Jy ! Component: 100 - total flux cleaned = 0.0050321 Jy ! Component: 150 - total flux cleaned = 0.00502913 Jy ! Component: 200 - total flux cleaned = 0.00490616 Jy ! Total flux subtracted in 200 components = 0.00490616 Jy ! Clean residual min=-0.004980 max=0.004993 Jy/beam ! Clean residual mean=-0.000039 rms=0.001253 Jy/beam ! Combined flux in latest and established models = 1.1477 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 50 components and 1.1477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.299448Jy sigma=0.001273 ! Fit after self-cal, rms=0.299574Jy sigma=0.001273 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 = 0.00107505 Jy ! Component: 100 - total flux cleaned = 0.000974113 Jy ! Component: 150 - total flux cleaned = 0.00107281 Jy ! Component: 200 - total flux cleaned = 0.00107211 Jy ! Total flux subtracted in 200 components = 0.00107211 Jy ! Clean residual min=-0.004784 max=0.004897 Jy/beam ! Clean residual mean=-0.000044 rms=0.001225 Jy/beam ! Combined flux in latest and established models = 1.14877 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 53 components and 1.14877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.299482Jy sigma=0.001272 ! Fit after self-cal, rms=0.299496Jy sigma=0.001272 ! 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=0.299496Jy sigma=0.001272 ! Fit after self-cal, rms=0.300347Jy sigma=0.001272 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.019 mas, bmaj=7.354 mas, bpa=13.45 degrees ! Estimated noise=999.761 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00214619 Jy ! Component: 100 - total flux cleaned = 0.00254525 Jy ! Component: 150 - total flux cleaned = 0.00272239 Jy ! Component: 200 - total flux cleaned = 0.00272002 Jy ! Total flux subtracted in 200 components = 0.00272002 Jy ! Clean residual min=-0.004716 max=0.004660 Jy/beam ! Clean residual mean=-0.000052 rms=0.001171 Jy/beam ! Combined flux in latest and established models = 1.15149 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 1.15149 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300259Jy sigma=0.001271 ! Fit after self-cal, rms=0.300282Jy sigma=0.001271 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 = 0.000533735 Jy ! Component: 100 - total flux cleaned = 0.000611702 Jy ! Component: 150 - total flux cleaned = 0.000610204 Jy ! Component: 200 - total flux cleaned = 0.000607888 Jy ! Total flux subtracted in 200 components = 0.000607888 Jy ! Clean residual min=-0.004611 max=0.004573 Jy/beam ! Clean residual mean=-0.000054 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 1.1521 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 61 components and 1.1521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300221Jy sigma=0.001271 ! Fit after self-cal, rms=0.300231Jy sigma=0.001271 ! 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=0.300231Jy sigma=0.001271 ! Fit after self-cal, rms=0.300767Jy sigma=0.001271 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.814 mas, bmaj=17.5 mas, bpa=1.87 degrees ! Estimated noise=1144.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00112296 Jy ! Component: 100 - total flux cleaned = 0.00134377 Jy ! Component: 150 - total flux cleaned = 0.0014952 Jy ! Component: 200 - total flux cleaned = 0.00157408 Jy ! Total flux subtracted in 200 components = 0.00157408 Jy ! Clean residual min=-0.004477 max=0.003542 Jy/beam ! Clean residual mean=-0.000092 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 1.15367 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 71 components and 1.15367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300767Jy sigma=0.001271 ! Fit after self-cal, rms=0.300774Jy sigma=0.001271 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 = 0.000240489 Jy ! Component: 100 - total flux cleaned = 0.000343018 Jy ! Component: 150 - total flux cleaned = 0.000421472 Jy ! Component: 200 - total flux cleaned = 0.000434937 Jy ! Total flux subtracted in 200 components = 0.000434937 Jy ! Clean residual min=-0.004403 max=0.003538 Jy/beam ! Clean residual mean=-0.000095 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 1.15411 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 84 components and 1.15411 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300774Jy sigma=0.001271 ! Fit after self-cal, rms=0.300774Jy sigma=0.001271 ! 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=3.021 mas, bmaj=7.358 mas, bpa=13.39 degrees ! Estimated noise=999.517 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.021 x 7.358 at 13.39 degrees (North through East) ! Clean map min=-0.0045166 max=0.99369 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=0.300774Jy sigma=0.001271 ! Fit after self-cal, rms=0.332542Jy sigma=0.001154 ! Inverting map and beam ! Estimated beam: bmin=3.02 mas, bmaj=7.359 mas, bpa=13.39 degrees ! Estimated noise=998.813 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000299045 Jy ! Component: 100 - total flux cleaned = 0.000157112 Jy ! Component: 150 - total flux cleaned = 0.00015619 Jy ! Component: 200 - total flux cleaned = 9.32246e-05 Jy ! Total flux subtracted in 200 components = 9.32246e-05 Jy ! Clean residual min=-0.004550 max=0.004551 Jy/beam ! Clean residual mean=-0.000066 rms=0.001100 Jy/beam ! Combined flux in latest and established models = 1.1542 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 90 components and 1.1542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332506Jy sigma=0.001153 ! Fit after self-cal, rms=0.332514Jy sigma=0.001153 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000212257 Jy ! Component: 100 - total flux cleaned = 0.000153555 Jy ! Component: 150 - total flux cleaned = 9.60107e-05 Jy ! Component: 200 - total flux cleaned = 4.21604e-05 Jy ! Total flux subtracted in 200 components = 4.21604e-05 Jy ! Clean residual min=-0.004498 max=0.004542 Jy/beam ! Clean residual mean=-0.000066 rms=0.001095 Jy/beam ! Combined flux in latest and established models = 1.15424 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 91 components and 1.15424 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332483Jy sigma=0.001153 ! Fit after self-cal, rms=0.332490Jy sigma=0.001153 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332490Jy sigma=0.001153 ! Fit after self-cal, rms=0.332516Jy sigma=0.001153 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=2.042 mas, bmaj=4.893 mas, bpa=7.873 degrees ! Estimated noise=1697.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.733763 Jy ! Component: 100 - total flux cleaned = 0.930883 Jy ! Component: 150 - total flux cleaned = 1.01901 Jy ! Component: 200 - total flux cleaned = 1.06288 Jy ! Total flux subtracted in 200 components = 1.06288 Jy ! Clean residual min=-0.012242 max=0.021385 Jy/beam ! Clean residual mean=0.000077 rms=0.003685 Jy/beam ! Combined flux in latest and established models = 1.06288 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 29 model components to the UV plane model. ! The established model now contains 29 components and 1.06288 Jy ! Inverting map and beam ! Estimated beam: bmin=3.021 mas, bmaj=7.361 mas, bpa=13.37 degrees ! Estimated noise=998.522 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 = 0.0385581 Jy ! Component: 100 - total flux cleaned = 0.0584599 Jy ! Component: 150 - total flux cleaned = 0.0698668 Jy ! Component: 200 - total flux cleaned = 0.0769919 Jy ! Total flux subtracted in 200 components = 0.0769919 Jy ! Clean residual min=-0.004890 max=0.004946 Jy/beam ! Clean residual mean=0.000001 rms=0.001329 Jy/beam ! Combined flux in latest and established models = 1.13987 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 76 components and 1.13987 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=7.812 mas, bmaj=17.5 mas, bpa=1.854 degrees ! Estimated noise=1143.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00620307 Jy ! Component: 100 - total flux cleaned = 0.00908402 Jy ! Component: 150 - total flux cleaned = 0.0105931 Jy ! Component: 200 - total flux cleaned = 0.0114861 Jy ! Total flux subtracted in 200 components = 0.0114861 Jy ! Clean residual min=-0.004519 max=0.003550 Jy/beam ! Clean residual mean=-0.000094 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 1.15136 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 = 0.000417093 Jy ! Component: 100 - total flux cleaned = 0.00049267 Jy ! Component: 150 - total flux cleaned = 0.000529277 Jy ! Component: 200 - total flux cleaned = 0.000565474 Jy ! Total flux subtracted in 200 components = 0.000565474 Jy ! Clean residual min=-0.004506 max=0.003580 Jy/beam ! Clean residual mean=-0.000098 rms=0.001211 Jy/beam ! Combined flux in latest and established models = 1.15193 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 113 components and 1.15192 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.021 mas, bmaj=7.361 mas, bpa=13.37 degrees ! Estimated noise=998.522 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.02045e-05 Jy ! Component: 100 - total flux cleaned = 5.88033e-05 Jy ! Component: 150 - total flux cleaned = 5.94366e-05 Jy ! Component: 200 - total flux cleaned = 6.03247e-05 Jy ! Total flux subtracted in 200 components = 6.03247e-05 Jy ! Clean residual min=-0.004510 max=0.004310 Jy/beam ! Clean residual mean=-0.000055 rms=0.001112 Jy/beam ! Combined flux in latest and established models = 1.15199 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 126 components and 1.15198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332643Jy sigma=0.001153 ! Fit after self-cal, rms=0.332617Jy sigma=0.001153 wmodel J0457-2324_S_2000_03_13_pus_map.mod ! Writing 126 model components to file: J0457-2324_S_2000_03_13_pus_map.mod wobs J0457-2324_S_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0457-2324_S_2000_03_13_pus_uvs.fits wwins J0457-2324_S_2000_03_13_pus_map.win ! wwins: Wrote 2 windows to J0457-2324_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 = -0.000946504 Jy ! Component: 100 - total flux cleaned = -0.000664094 Jy ! Component: 150 - total flux cleaned = -6.04958e-05 Jy ! Component: 200 - total flux cleaned = 0.00025877 Jy ! Component: 250 - total flux cleaned = 0.000566499 Jy ! Component: 300 - total flux cleaned = 0.000803171 Jy ! Component: 350 - total flux cleaned = 0.000917034 Jy ! Component: 400 - total flux cleaned = 0.00108186 Jy ! Component: 450 - total flux cleaned = 0.00118819 Jy ! Component: 500 - total flux cleaned = 0.00118783 Jy ! Component: 550 - total flux cleaned = 0.00138998 Jy ! Component: 600 - total flux cleaned = 0.00153762 Jy ! Component: 650 - total flux cleaned = 0.00158617 Jy ! Component: 700 - total flux cleaned = 0.00177661 Jy ! Component: 750 - total flux cleaned = 0.00186919 Jy ! Component: 800 - total flux cleaned = 0.00177748 Jy ! Component: 850 - total flux cleaned = 0.00173267 Jy ! Component: 900 - total flux cleaned = 0.00164355 Jy ! Component: 950 - total flux cleaned = 0.00142585 Jy ! Component: 1000 - total flux cleaned = 0.00142569 Jy ! Component: 1050 - total flux cleaned = 0.00125662 Jy ! Component: 1100 - total flux cleaned = 0.00134043 Jy ! Component: 1150 - total flux cleaned = 0.00138161 Jy ! Component: 1200 - total flux cleaned = 0.00138114 Jy ! Component: 1250 - total flux cleaned = 0.00138149 Jy ! Component: 1300 - total flux cleaned = 0.00142078 Jy ! Component: 1350 - total flux cleaned = 0.00138136 Jy ! Component: 1400 - total flux cleaned = 0.00134202 Jy ! Component: 1450 - total flux cleaned = 0.00141912 Jy ! Component: 1500 - total flux cleaned = 0.00141883 Jy ! Component: 1550 - total flux cleaned = 0.00145669 Jy ! Component: 1600 - total flux cleaned = 0.00156853 Jy ! Component: 1650 - total flux cleaned = 0.00145756 Jy ! Component: 1700 - total flux cleaned = 0.00138451 Jy ! Component: 1750 - total flux cleaned = 0.00142151 Jy ! Component: 1800 - total flux cleaned = 0.00149377 Jy ! Component: 1850 - total flux cleaned = 0.00135149 Jy ! Component: 1900 - total flux cleaned = 0.00138713 Jy ! Component: 1950 - total flux cleaned = 0.0013524 Jy ! Component: 2000 - total flux cleaned = 0.00128276 Jy ! Total flux subtracted in 2048 components = 0.00124831 Jy ! Clean residual min=-0.002099 max=0.002056 Jy/beam ! Clean residual mean=-0.000056 rms=0.000660 Jy/beam ! Combined flux in latest and established models = 1.15323 Jy keep ! Adding 121 model components to the UV plane model. ! The established model now contains 247 components and 1.15323 Jy ![Exited script file: muppet] wmap "J0457-2324_S_2000_03_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.021 x 7.361 at 13.37 degrees (North through East) ! Clean map min=-0.0037142 max=0.99574 Jy/beam ! Writing clean map to FITS file: J0457-2324_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 0.995735 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000659148 device "J0457-2324_S_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_S_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.198591 0.198591 0.397183 0.794366 1.58873 3.17746 6.35493 12.7099 25.4197 50.8394 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.995 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.021 x 7.361 at 13.37 degrees (North through East) ! Clean map min=-0.0037142 max=0.99574 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0457-2324_S_2000_03_13_pus_uvs.log closed on Tue Apr 2 14:39:19 2013