! Started logfile: J1517-2422_X_2000_12_04_pus_uvs.log on Fri Oct 12 17:31:51 2007 obs J1517-2422_X_2000_12_04_pus_uva.fits ! Reading UV FITS file: J1517-2422_X_2000_12_04_pus_uva.fits ! AN table 1: 173 integrations on 190 of 190 possible baselines. ! AN table 2: 91 integrations on 190 of 190 possible baselines. ! AN table 3: 14 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0503218 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1517-2422 ! ! 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 2126 lines of history. ! ! Reading 10632 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1517-2422_X_2000_12_04_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 0.200x0.200 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 3371 telescope corrections were flagged in sub-array 1. ! A total of 1295 telescope corrections were flagged in sub-array 2. ! A total of 165 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 3371 telescope corrections were flagged in sub-array 1. ! A total of 1295 telescope corrections were flagged in sub-array 2. ! A total of 165 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 3371 telescope corrections were flagged in sub-array 1. ! A total of 1295 telescope corrections were flagged in sub-array 2. ! A total of 165 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 3371 telescope corrections were flagged in sub-array 1. ! A total of 1295 telescope corrections were flagged in sub-array 2. ! A total of 165 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.962115Jy sigma=0.008057 ! Fit after self-cal, rms=0.404517Jy sigma=0.003891 ! 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=0.7169 mas, bmaj=1.758 mas, bpa=4.724 degrees ! Estimated noise=1149.71 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 = 0.700961 Jy ! Component: 100 - total flux cleaned = 0.938016 Jy ! Total flux subtracted in 100 components = 0.938016 Jy ! Clean residual min=-0.045975 max=0.125095 Jy/beam ! Clean residual mean=0.000298 rms=0.015069 Jy/beam ! Combined flux in latest and established models = 0.938016 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.938016 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.351097Jy sigma=0.003582 ! Fit after self-cal, rms=0.350752Jy sigma=0.003580 ! Inverting map ! Added new window around map position (0.6, -2.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.130758 Jy ! Component: 100 - total flux cleaned = 0.211436 Jy ! Total flux subtracted in 100 components = 0.211436 Jy ! Clean residual min=-0.038445 max=0.058318 Jy/beam ! Clean residual mean=0.000217 rms=0.010294 Jy/beam ! Combined flux in latest and established models = 1.14945 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 26 components and 1.14945 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.273845Jy sigma=0.002696 ! Fit after self-cal, rms=0.272510Jy sigma=0.002686 ! 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=0.9069 mas, bmaj=2.19 mas, bpa=3.245 degrees ! Estimated noise=736.991 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 = 0.0996374 Jy ! Component: 100 - total flux cleaned = 0.161137 Jy ! Component: 150 - total flux cleaned = 0.200171 Jy ! Component: 200 - total flux cleaned = 0.225177 Jy ! Total flux subtracted in 200 components = 0.225177 Jy ! Clean residual min=-0.035643 max=0.081214 Jy/beam ! Clean residual mean=0.002315 rms=0.015893 Jy/beam ! Combined flux in latest and established models = 1.37463 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 47 components and 1.37463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234976Jy sigma=0.002225 ! Fit after self-cal, rms=0.233384Jy sigma=0.002209 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.12 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 0.94 MC 0.97 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 0.89 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.10 GC 1.00* GG 1.00* ! HH 1.00* HN 1.18 KK 1.00* KP 0.91 ! LA 0.94 MA 1.00* MC 1.00* MK 0.97 ! NL 1.07 NY 1.00* OV 1.09 PT 0.92 ! SC 1.03 TS 1.00* WF 0.92 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 GC 1.00* GG 1.00* ! HH 1.00* HN 1.12 KK 1.00* KP 0.99 ! LA 0.97 MA 1.00* MC 1.00* MK 1.00* ! NL 0.98 NY 1.00* OV 1.03 PT 0.93 ! SC 1.11 TS 1.00* WF 1.38 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.13 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 0.97 MC 0.96 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 0.95 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.10 GC 1.00* GG 1.00* ! HH 1.00* HN 1.20 KK 1.00* KP 0.90 ! LA 0.93 MA 1.00* MC 1.00* MK 0.98 ! NL 1.03 NY 1.00* OV 1.09 PT 0.91 ! SC 1.02 TS 1.00* WF 0.95 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.04 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 1.00* KP 0.99 ! LA 0.95 MA 1.00* MC 1.00* MK 1.00* ! NL 0.97 NY 1.00* OV 1.02 PT 0.93 ! SC 1.11 TS 1.00* WF 1.08 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.94 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 0.96 MC 0.96 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 0.95 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.15 GC 1.00* GG 1.00* ! HH 1.00* HN 1.16 KK 1.00* KP 0.91 ! LA 0.93 MA 1.00* MC 1.00* MK 0.99 ! NL 1.03 NY 1.00* OV 1.03 PT 0.89 ! SC 1.04 TS 1.00* WF 0.93 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.08 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 1.00* KP 1.00 ! LA 0.95 MA 1.00* MC 1.00* MK 1.00* ! NL 0.95 NY 1.00* OV 1.01 PT 0.91 ! SC 1.11 TS 1.00* WF 1.20 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 57 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.21 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.01 MC 1.01 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WF 1.00* WZ 0.95 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.15 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 1.00* KP 0.92 ! LA 0.94 MA 1.00* MC 1.00* MK 0.97 ! NL 1.04 NY 1.00* OV 1.05 PT 0.88 ! SC 1.03 TS 1.00* WF 0.90 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.10 GC 1.00* GG 1.00* ! HH 1.00* HN 1.07 KK 1.00* KP 0.99 ! LA 0.95 MA 1.00* MC 1.00* MK 1.00* ! NL 0.99 NY 1.00* OV 1.02 PT 0.89 ! SC 1.08 TS 1.00* WF 1.04 WZ 1.00* ! ! ! Fit before self-cal, rms=0.233384Jy sigma=0.002209 ! Fit after self-cal, rms=0.220101Jy sigma=0.001935 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9183 mas, bmaj=2.345 mas, bpa=1.406 degrees ! Estimated noise=748.346 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 (2.8, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.063391 Jy ! Component: 100 - total flux cleaned = 0.0968372 Jy ! Component: 150 - total flux cleaned = 0.101335 Jy ! Component: 200 - total flux cleaned = 0.104704 Jy ! Total flux subtracted in 200 components = 0.104704 Jy ! Clean residual min=-0.028183 max=0.034176 Jy/beam ! Clean residual mean=0.001087 rms=0.007407 Jy/beam ! Combined flux in latest and established models = 1.47933 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 83 components and 1.47933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201175Jy sigma=0.001712 ! Fit after self-cal, rms=0.198201Jy sigma=0.001683 ! 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=0.198201Jy sigma=0.001683 ! Fit after self-cal, rms=0.180911Jy sigma=0.001558 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9197 mas, bmaj=2.333 mas, bpa=1.589 degrees ! Estimated noise=743.171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0319133 Jy ! Component: 100 - total flux cleaned = 0.0428363 Jy ! Component: 150 - total flux cleaned = 0.045016 Jy ! Component: 200 - total flux cleaned = 0.0475114 Jy ! Total flux subtracted in 200 components = 0.0475114 Jy ! Clean residual min=-0.018577 max=0.020373 Jy/beam ! Clean residual mean=0.000931 rms=0.004479 Jy/beam ! Combined flux in latest and established models = 1.52684 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 104 components and 1.52684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174850Jy sigma=0.001480 ! Fit after self-cal, rms=0.173556Jy sigma=0.001469 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 = 0.00941445 Jy ! Component: 100 - total flux cleaned = 0.0123856 Jy ! Component: 150 - total flux cleaned = 0.0130021 Jy ! Component: 200 - total flux cleaned = 0.0138445 Jy ! Total flux subtracted in 200 components = 0.0138445 Jy ! Clean residual min=-0.018491 max=0.015787 Jy/beam ! Clean residual mean=0.000807 rms=0.004030 Jy/beam ! Combined flux in latest and established models = 1.54069 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 113 components and 1.54069 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172173Jy sigma=0.001453 ! Fit after self-cal, rms=0.171836Jy sigma=0.001451 ! 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=0.171836Jy sigma=0.001451 ! Fit after self-cal, rms=0.168053Jy sigma=0.001422 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9209 mas, bmaj=2.335 mas, bpa=1.604 degrees ! Estimated noise=739.596 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0148642 Jy ! Component: 100 - total flux cleaned = 0.0194309 Jy ! Component: 150 - total flux cleaned = 0.0214518 Jy ! Component: 200 - total flux cleaned = 0.0224169 Jy ! Total flux subtracted in 200 components = 0.0224169 Jy ! Clean residual min=-0.014856 max=0.013987 Jy/beam ! Clean residual mean=0.000682 rms=0.003140 Jy/beam ! Combined flux in latest and established models = 1.56311 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 121 components and 1.56311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166471Jy sigma=0.001400 ! Fit after self-cal, rms=0.166027Jy sigma=0.001397 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 = 0.00342334 Jy ! Component: 100 - total flux cleaned = 0.00550352 Jy ! Component: 150 - total flux cleaned = 0.00611255 Jy ! Component: 200 - total flux cleaned = 0.00649182 Jy ! Total flux subtracted in 200 components = 0.00649182 Jy ! Clean residual min=-0.014978 max=0.012341 Jy/beam ! Clean residual mean=0.000626 rms=0.002938 Jy/beam ! Combined flux in latest and established models = 1.5696 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 125 components and 1.5696 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165489Jy sigma=0.001390 ! Fit after self-cal, rms=0.165310Jy sigma=0.001390 ! 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=0.165310Jy sigma=0.001390 ! Fit after self-cal, rms=0.164441Jy sigma=0.001384 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.292 mas, bmaj=5.329 mas, bpa=8.409 degrees ! Estimated noise=881.595 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01077 Jy ! Component: 100 - total flux cleaned = 0.0127592 Jy ! Component: 150 - total flux cleaned = 0.0144816 Jy ! Component: 200 - total flux cleaned = 0.015336 Jy ! Total flux subtracted in 200 components = 0.015336 Jy ! Clean residual min=-0.008493 max=0.013627 Jy/beam ! Clean residual mean=0.000939 rms=0.003392 Jy/beam ! Combined flux in latest and established models = 1.58493 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 140 components and 1.58493 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164134Jy sigma=0.001378 ! Fit after self-cal, rms=0.163810Jy sigma=0.001377 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 = 0.00106212 Jy ! Component: 100 - total flux cleaned = 0.00247664 Jy ! Component: 150 - total flux cleaned = 0.00318999 Jy ! Component: 200 - total flux cleaned = 0.00319369 Jy ! Total flux subtracted in 200 components = 0.00319369 Jy ! Clean residual min=-0.008158 max=0.012909 Jy/beam ! Clean residual mean=0.000887 rms=0.003239 Jy/beam ! Combined flux in latest and established models = 1.58813 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 145 components and 1.58813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163748Jy sigma=0.001376 ! Fit after self-cal, rms=0.163566Jy sigma=0.001375 ! 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=0.9218 mas, bmaj=2.334 mas, bpa=1.594 degrees ! Estimated noise=737.906 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9218 x 2.334 at 1.594 degrees (North through East) ! Clean map min=-0.011336 max=0.85104 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=0.163566Jy sigma=0.001375 ! Fit after self-cal, rms=0.155261Jy sigma=0.001259 ! Inverting map and beam ! Estimated beam: bmin=0.9211 mas, bmaj=2.331 mas, bpa=1.512 degrees ! Estimated noise=735.436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00362039 Jy ! Component: 100 - total flux cleaned = 0.00402012 Jy ! Component: 150 - total flux cleaned = 0.00401632 Jy ! Component: 200 - total flux cleaned = 0.00368611 Jy ! Total flux subtracted in 200 components = 0.00368611 Jy ! Clean residual min=-0.011275 max=0.010089 Jy/beam ! Clean residual mean=0.000423 rms=0.002392 Jy/beam ! Combined flux in latest and established models = 1.59181 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 161 components and 1.59181 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154824Jy sigma=0.001253 ! Fit after self-cal, rms=0.154705Jy sigma=0.001253 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00082223 Jy ! Component: 100 - total flux cleaned = 0.000977676 Jy ! Component: 150 - total flux cleaned = 0.00068871 Jy ! Component: 200 - total flux cleaned = 0.000550726 Jy ! Total flux subtracted in 200 components = 0.000550726 Jy ! Clean residual min=-0.011226 max=0.009716 Jy/beam ! Clean residual mean=0.000418 rms=0.002332 Jy/beam ! Combined flux in latest and established models = 1.59236 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 164 components and 1.59236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154443Jy sigma=0.001250 ! Fit after self-cal, rms=0.154357Jy sigma=0.001250 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154357Jy sigma=0.001250 ! Fit after self-cal, rms=0.153762Jy sigma=0.001249 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=0.7422 mas, bmaj=1.792 mas, bpa=1.501 degrees ! Estimated noise=1159.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.707044 Jy ! Component: 100 - total flux cleaned = 0.938731 Jy ! Component: 150 - total flux cleaned = 1.06095 Jy ! Component: 200 - total flux cleaned = 1.14642 Jy ! Total flux subtracted in 200 components = 1.14642 Jy ! Clean residual min=-0.020596 max=0.051466 Jy/beam ! Clean residual mean=0.000275 rms=0.009180 Jy/beam ! Combined flux in latest and established models = 1.14642 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 39 model components to the UV plane model. ! The established model now contains 39 components and 1.14642 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9206 mas, bmaj=2.326 mas, bpa=1.586 degrees ! Estimated noise=734.053 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 = 0.114505 Jy ! Component: 100 - total flux cleaned = 0.196798 Jy ! Component: 150 - total flux cleaned = 0.257725 Jy ! Component: 200 - total flux cleaned = 0.303139 Jy ! Total flux subtracted in 200 components = 0.303139 Jy ! Clean residual min=-0.012192 max=0.031356 Jy/beam ! Clean residual mean=0.001687 rms=0.006431 Jy/beam ! Combined flux in latest and established models = 1.44956 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 96 components and 1.44956 Jy ! Inverting map ! Added new window around map position (-0.4, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0357114 Jy ! Component: 100 - total flux cleaned = 0.0623209 Jy ! Component: 150 - total flux cleaned = 0.082513 Jy ! Component: 200 - total flux cleaned = 0.0978972 Jy ! Total flux subtracted in 200 components = 0.0978972 Jy ! Clean residual min=-0.007799 max=0.015541 Jy/beam ! Clean residual mean=0.000822 rms=0.002986 Jy/beam ! Combined flux in latest and established models = 1.54745 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 125 components and 1.54745 Jy ! Inverting map ! Added new window around map position (4.6, -8.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0143786 Jy ! Component: 100 - total flux cleaned = 0.020088 Jy ! Component: 150 - total flux cleaned = 0.0245705 Jy ! Component: 200 - total flux cleaned = 0.0284055 Jy ! Total flux subtracted in 200 components = 0.0284055 Jy ! Clean residual min=-0.006289 max=0.010073 Jy/beam ! Clean residual mean=0.000563 rms=0.002181 Jy/beam ! Combined flux in latest and established models = 1.57586 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 144 components and 1.57586 Jy ! Inverting map ! Added new window around map position (10.4, -21.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00960413 Jy ! Component: 100 - total flux cleaned = 0.0126472 Jy ! Component: 150 - total flux cleaned = 0.0151425 Jy ! Component: 200 - total flux cleaned = 0.0177375 Jy ! Total flux subtracted in 200 components = 0.0177375 Jy ! Clean residual min=-0.005321 max=0.007311 Jy/beam ! Clean residual mean=0.000423 rms=0.001760 Jy/beam ! Combined flux in latest and established models = 1.59359 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 163 components and 1.5936 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=2.29 mas, bmaj=5.324 mas, bpa=8.463 degrees ! Estimated noise=878.231 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00656481 Jy ! Component: 100 - total flux cleaned = 0.0107498 Jy ! Component: 150 - total flux cleaned = 0.0120505 Jy ! Component: 200 - total flux cleaned = 0.0130699 Jy ! Total flux subtracted in 200 components = 0.0130699 Jy ! Clean residual min=-0.005927 max=0.009274 Jy/beam ! Clean residual mean=0.000583 rms=0.002254 Jy/beam ! Combined flux in latest and established models = 1.60667 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 = 0.000707217 Jy ! Component: 100 - total flux cleaned = 0.00107636 Jy ! Component: 150 - total flux cleaned = 0.00150345 Jy ! Component: 200 - total flux cleaned = 0.00181971 Jy ! Total flux subtracted in 200 components = 0.00181971 Jy ! Clean residual min=-0.005831 max=0.009083 Jy/beam ! Clean residual mean=0.000550 rms=0.002231 Jy/beam ! Combined flux in latest and established models = 1.60848 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 195 components and 1.60848 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9206 mas, bmaj=2.326 mas, bpa=1.586 degrees ! Estimated noise=734.053 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000543631 Jy ! Component: 100 - total flux cleaned = -0.000313293 Jy ! Component: 150 - total flux cleaned = -0.000315609 Jy ! Component: 200 - total flux cleaned = -0.000116016 Jy ! Total flux subtracted in 200 components = -0.000116016 Jy ! Clean residual min=-0.005072 max=0.007021 Jy/beam ! Clean residual mean=0.000280 rms=0.001614 Jy/beam ! Combined flux in latest and established models = 1.60837 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 214 components and 1.60837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150719Jy sigma=0.001217 ! Fit after self-cal, rms=0.150430Jy sigma=0.001214 wmodel J1517-2422_X_2000_12_04_pus_map.mod ! Writing 214 model components to file: J1517-2422_X_2000_12_04_pus_map.mod wobs J1517-2422_X_2000_12_04_pus_uvs.fits ! Writing UV FITS file: J1517-2422_X_2000_12_04_pus_uvs.fits wwins J1517-2422_X_2000_12_04_pus_map.win ! wwins: Wrote 6 windows to J1517-2422_X_2000_12_04_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 = 0.00289014 Jy ! Component: 100 - total flux cleaned = 0.00475981 Jy ! Component: 150 - total flux cleaned = 0.0058504 Jy ! Component: 200 - total flux cleaned = 0.00654291 Jy ! Component: 250 - total flux cleaned = 0.00745953 Jy ! Component: 300 - total flux cleaned = 0.00818292 Jy ! Component: 350 - total flux cleaned = 0.00896246 Jy ! Component: 400 - total flux cleaned = 0.00986811 Jy ! Component: 450 - total flux cleaned = 0.0105291 Jy ! Component: 500 - total flux cleaned = 0.0113173 Jy ! Component: 550 - total flux cleaned = 0.0120157 Jy ! Component: 600 - total flux cleaned = 0.0126297 Jy ! Component: 650 - total flux cleaned = 0.0130977 Jy ! Component: 700 - total flux cleaned = 0.0136859 Jy ! Component: 750 - total flux cleaned = 0.0140701 Jy ! Component: 800 - total flux cleaned = 0.014509 Jy ! Component: 850 - total flux cleaned = 0.0146326 Jy ! Component: 900 - total flux cleaned = 0.0149366 Jy ! Component: 950 - total flux cleaned = 0.0152944 Jy ! Component: 1000 - total flux cleaned = 0.015587 Jy ! Component: 1050 - total flux cleaned = 0.0157598 Jy ! Component: 1100 - total flux cleaned = 0.0161002 Jy ! Component: 1150 - total flux cleaned = 0.0163782 Jy ! Component: 1200 - total flux cleaned = 0.0165981 Jy ! Component: 1250 - total flux cleaned = 0.016868 Jy ! Component: 1300 - total flux cleaned = 0.0171337 Jy ! Component: 1350 - total flux cleaned = 0.0174491 Jy ! Component: 1400 - total flux cleaned = 0.0178627 Jy ! Component: 1450 - total flux cleaned = 0.0180669 Jy ! Component: 1500 - total flux cleaned = 0.0184207 Jy ! Component: 1550 - total flux cleaned = 0.0187199 Jy ! Component: 1600 - total flux cleaned = 0.0189667 Jy ! Component: 1650 - total flux cleaned = 0.0192104 Jy ! Component: 1700 - total flux cleaned = 0.0193556 Jy ! Component: 1750 - total flux cleaned = 0.0196415 Jy ! Component: 1800 - total flux cleaned = 0.0198772 Jy ! Component: 1850 - total flux cleaned = 0.0200643 Jy ! Component: 1900 - total flux cleaned = 0.0203876 Jy ! Component: 1950 - total flux cleaned = 0.0204791 Jy ! Component: 2000 - total flux cleaned = 0.0208868 Jy ! Total flux subtracted in 2048 components = 0.021066 Jy ! Clean residual min=-0.002479 max=0.002479 Jy/beam ! Clean residual mean=0.000131 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 1.62943 Jy keep ! Adding 156 model components to the UV plane model. ! The established model now contains 369 components and 1.62943 Jy ![Exited script file: muppet] wmap "J1517-2422_X_2000_12_04_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9206 x 2.326 at 1.586 degrees (North through East) ! Clean map min=-0.01276 max=0.84893 Jy/beam ! Writing clean map to FITS file: J1517-2422_X_2000_12_04_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.848929 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000894813 device "J1517-2422_X_2000_12_04_pus\_map.eps/VPS" ! Attempting to open device: 'J1517-2422_X_2000_12_04_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.316215 0.316215 0.632429 1.26486 2.52972 5.05943 10.1189 20.2377 40.4755 80.9509 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.848 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9206 x 2.326 at 1.586 degrees (North through East) ! Clean map min=-0.01276 max=0.84893 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1517-2422_X_2000_12_04_pus\_map.gif/vgif" ! Attempting to open device: 'J1517-2422_X_2000_12_04_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1517-2422_X_2000_12_04_pus_uvs.log closed on Fri Oct 12 17:32:03 2007