! Started logfile: J0927+3902_S_2008_07_09_pus_uvs.log on Wed Oct 13 15:00:47 2010 obs J0927+3902_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0927+3902_S_2008_07_09_pus_uva.fits ! AN table 1: 106 integrations on 105 of 105 possible baselines. ! AN table 2: 22 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.215179 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0927+3902 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1058 lines of history. ! ! Reading 11568 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 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 909 telescope corrections were flagged in sub-array 1. ! A total of 221 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 912 telescope corrections were flagged in sub-array 1. ! A total of 221 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 912 telescope corrections were flagged in sub-array 1. ! A total of 221 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 906 telescope corrections were flagged in sub-array 1. ! A total of 221 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=3.268179Jy sigma=0.024980 ! Fit after self-cal, rms=3.225790Jy sigma=0.024780 ! 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=2.024 mas, bmaj=3.302 mas, bpa=-14.1 degrees ! Estimated noise=1553.88 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 = 3.11606 Jy ! Component: 100 - total flux cleaned = 3.95738 Jy ! Total flux subtracted in 100 components = 3.95738 Jy ! Clean residual min=-0.091004 max=0.352482 Jy/beam ! Clean residual mean=0.000383 rms=0.026058 Jy/beam ! Combined flux in latest and established models = 3.95738 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 3.95738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.788230Jy sigma=0.005509 ! Fit after self-cal, rms=0.786970Jy sigma=0.005506 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.368711 Jy ! Component: 100 - total flux cleaned = 0.557106 Jy ! Total flux subtracted in 100 components = 0.557106 Jy ! Clean residual min=-0.067476 max=0.104439 Jy/beam ! Clean residual mean=0.000163 rms=0.013752 Jy/beam ! Combined flux in latest and established models = 4.51448 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 4.51448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.577856Jy sigma=0.003381 ! Fit after self-cal, rms=0.574042Jy sigma=0.003367 ! Inverting map ! Added new window around map position (-2, 0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.127244 Jy ! Component: 100 - total flux cleaned = 0.204168 Jy ! Total flux subtracted in 100 components = 0.204168 Jy ! Clean residual min=-0.061445 max=0.060571 Jy/beam ! Clean residual mean=0.000080 rms=0.011205 Jy/beam ! Combined flux in latest and established models = 4.71865 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 4.71865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.544450Jy sigma=0.003074 ! Fit after self-cal, rms=0.542533Jy sigma=0.003065 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.428 mas, bmaj=4.063 mas, bpa=-13.24 degrees ! Estimated noise=975.605 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 = 0.0439442 Jy ! Component: 100 - total flux cleaned = 0.0531223 Jy ! Component: 150 - total flux cleaned = 0.0545284 Jy ! Component: 200 - total flux cleaned = 0.0551476 Jy ! Total flux subtracted in 200 components = 0.0551476 Jy ! Clean residual min=-0.057830 max=0.040373 Jy/beam ! Clean residual mean=0.000245 rms=0.010479 Jy/beam ! Combined flux in latest and established models = 4.7738 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 31 components and 4.7738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.538229Jy sigma=0.003035 ! Fit after self-cal, rms=0.537548Jy sigma=0.003032 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HH 1.00* HN 1.02 ! KK 1.02 KP 1.04 LA 1.02 MK 0.99 ! NL 0.99 NY 1.04 ON 0.98 PT 1.03 ! SC 1.03 WZ 0.99 ZC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.12 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 1.26 PT 1.00* ! SC 1.00* WZ 1.00 ZC 1.00 ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HH 1.00* HN 1.02 ! KK 0.94 KP 1.06 LA 1.02 MK 0.99 ! NL 0.95 NY 1.03 ON 1.04 PT 1.03 ! SC 1.02 WZ 1.03 ZC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.02 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 1.03 PT 1.00* ! SC 1.00* WZ 1.00 ZC 1.02 ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HH 1.00* HN 0.99 ! KK 1.02 KP 1.04 LA 1.00 MK 0.97 ! NL 1.00 NY 1.01 ON 0.99 PT 1.04 ! SC 1.02 WZ 1.01 ZC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.09 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.01 ON 0.97 PT 1.00* ! SC 1.00* WZ 1.00 ZC 1.03 ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HH 1.00* HN 0.99 ! KK 1.01 KP 0.99 LA 1.00 MK 0.99 ! NL 0.94 NY 0.96 ON 1.01 PT 0.99 ! SC 1.05 WZ 0.99 ZC 0.80 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.06 KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.98 ON 0.99 PT 1.00* ! SC 1.00* WZ 0.99 ZC 0.79 ! ! ! Fit before self-cal, rms=0.537548Jy sigma=0.003032 ! Fit after self-cal, rms=0.461099Jy sigma=0.002371 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.425 mas, bmaj=4.07 mas, bpa=-13.38 degrees ! Estimated noise=977.025 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 = 0.0166971 Jy ! Component: 100 - total flux cleaned = 0.0193871 Jy ! Component: 150 - total flux cleaned = 0.0220108 Jy ! Component: 200 - total flux cleaned = 0.022773 Jy ! Total flux subtracted in 200 components = 0.022773 Jy ! Clean residual min=-0.026307 max=0.027518 Jy/beam ! Clean residual mean=0.000204 rms=0.006797 Jy/beam ! Combined flux in latest and established models = 4.79657 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 36 components and 4.79657 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.459135Jy sigma=0.002364 ! Fit after self-cal, rms=0.459196Jy sigma=0.002363 ! 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=0.459196Jy sigma=0.002363 ! Fit after self-cal, rms=0.418667Jy sigma=0.001931 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.422 mas, bmaj=4.076 mas, bpa=-13.29 degrees ! Estimated noise=977.495 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0132576 Jy ! Component: 100 - total flux cleaned = 0.0142995 Jy ! Component: 150 - total flux cleaned = 0.0142958 Jy ! Component: 200 - total flux cleaned = 0.0140635 Jy ! Total flux subtracted in 200 components = 0.0140635 Jy ! Clean residual min=-0.014651 max=0.025483 Jy/beam ! Clean residual mean=0.000151 rms=0.003998 Jy/beam ! Combined flux in latest and established models = 4.81064 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 39 components and 4.81064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.417562Jy sigma=0.001927 ! Fit after self-cal, rms=0.417379Jy sigma=0.001927 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 (4, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0133634 Jy ! Component: 100 - total flux cleaned = 0.0122892 Jy ! Component: 150 - total flux cleaned = 0.0122715 Jy ! Component: 200 - total flux cleaned = 0.0126172 Jy ! Total flux subtracted in 200 components = 0.0126172 Jy ! Clean residual min=-0.014040 max=0.014923 Jy/beam ! Clean residual mean=0.000121 rms=0.003732 Jy/beam ! Combined flux in latest and established models = 4.82325 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 51 components and 4.82325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.415741Jy sigma=0.001913 ! Fit after self-cal, rms=0.415525Jy sigma=0.001911 ! 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=0.415525Jy sigma=0.001911 ! Fit after self-cal, rms=0.410615Jy sigma=0.001817 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.415 mas, bmaj=4.072 mas, bpa=-13.26 degrees ! Estimated noise=976.499 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0123822 Jy ! Component: 100 - total flux cleaned = 0.0127892 Jy ! Component: 150 - total flux cleaned = 0.0134346 Jy ! Component: 200 - total flux cleaned = 0.0140169 Jy ! Total flux subtracted in 200 components = 0.0140169 Jy ! Clean residual min=-0.007583 max=0.010098 Jy/beam ! Clean residual mean=-0.000072 rms=0.002081 Jy/beam ! Combined flux in latest and established models = 4.83727 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 54 components and 4.83727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.409484Jy sigma=0.001811 ! Fit after self-cal, rms=0.409442Jy sigma=0.001810 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 (11.5, 3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00659102 Jy ! Component: 100 - total flux cleaned = 0.00748042 Jy ! Component: 150 - total flux cleaned = 0.0082983 Jy ! Component: 200 - total flux cleaned = 0.00855532 Jy ! Total flux subtracted in 200 components = 0.00855532 Jy ! Clean residual min=-0.008939 max=0.008329 Jy/beam ! Clean residual mean=-0.000090 rms=0.001972 Jy/beam ! Combined flux in latest and established models = 4.84582 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 71 components and 4.84582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.408777Jy sigma=0.001807 ! Fit after self-cal, rms=0.408775Jy sigma=0.001807 ! 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=0.408775Jy sigma=0.001807 ! Fit after self-cal, rms=0.407891Jy sigma=0.001805 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.309 mas, bmaj=9.06 mas, bpa=18.8 degrees ! Estimated noise=1279.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00702183 Jy ! Component: 100 - total flux cleaned = 0.00981921 Jy ! Component: 150 - total flux cleaned = 0.0103011 Jy ! Component: 200 - total flux cleaned = 0.0105262 Jy ! Total flux subtracted in 200 components = 0.0105262 Jy ! Clean residual min=-0.006506 max=0.007982 Jy/beam ! Clean residual mean=-0.000256 rms=0.002225 Jy/beam ! Combined flux in latest and established models = 4.85635 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 89 components and 4.85635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.408028Jy sigma=0.001804 ! Fit after self-cal, rms=0.407998Jy sigma=0.001804 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 = 0.000668353 Jy ! Component: 100 - total flux cleaned = 0.000721832 Jy ! Component: 150 - total flux cleaned = 0.000768653 Jy ! Component: 200 - total flux cleaned = 0.000769893 Jy ! Total flux subtracted in 200 components = 0.000769893 Jy ! Clean residual min=-0.006457 max=0.007830 Jy/beam ! Clean residual mean=-0.000260 rms=0.002209 Jy/beam ! Combined flux in latest and established models = 4.85712 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 94 components and 4.85712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.408041Jy sigma=0.001804 ! Fit after self-cal, rms=0.408033Jy sigma=0.001804 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=2.412 mas, bmaj=4.069 mas, bpa=-13.27 degrees ! Estimated noise=976.192 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.412 x 4.069 at -13.27 degrees (North through East) ! Clean map min=-0.0079515 max=4.0888 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=0.408033Jy sigma=0.001804 ! Fit after self-cal, rms=0.335588Jy sigma=0.001133 ! Inverting map and beam ! Estimated beam: bmin=2.412 mas, bmaj=4.074 mas, bpa=-13.2 degrees ! Estimated noise=977.404 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00804733 Jy ! Component: 100 - total flux cleaned = 0.00929491 Jy ! Component: 150 - total flux cleaned = 0.0100091 Jy ! Component: 200 - total flux cleaned = 0.0103348 Jy ! Total flux subtracted in 200 components = 0.0103348 Jy ! Clean residual min=-0.005824 max=0.006847 Jy/beam ! Clean residual mean=-0.000036 rms=0.001455 Jy/beam ! Combined flux in latest and established models = 4.86746 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 106 components and 4.86746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.335178Jy sigma=0.001130 ! Fit after self-cal, rms=0.335137Jy sigma=0.001130 ! Inverting map ! Added new window around map position (-29, -58). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00470814 Jy ! Component: 100 - total flux cleaned = 0.00538215 Jy ! Component: 150 - total flux cleaned = 0.00569026 Jy ! Component: 200 - total flux cleaned = 0.00597196 Jy ! Total flux subtracted in 200 components = 0.00597196 Jy ! Clean residual min=-0.005710 max=0.006007 Jy/beam ! Clean residual mean=-0.000054 rms=0.001398 Jy/beam ! Combined flux in latest and established models = 4.87343 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 114 components and 4.87343 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.334920Jy sigma=0.001128 ! Fit after self-cal, rms=0.334894Jy sigma=0.001128 ! Inverting map ! Added new window around map position (45, -36). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00396969 Jy ! Component: 100 - total flux cleaned = 0.0052258 Jy ! Component: 150 - total flux cleaned = 0.00536822 Jy ! Component: 200 - total flux cleaned = 0.0053664 Jy ! Total flux subtracted in 200 components = 0.0053664 Jy ! Clean residual min=-0.005457 max=0.004871 Jy/beam ! Clean residual mean=-0.000073 rms=0.001328 Jy/beam ! Combined flux in latest and established models = 4.87879 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 126 components and 4.87879 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.334653Jy sigma=0.001126 ! Fit after self-cal, rms=0.334643Jy sigma=0.001126 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.334643Jy sigma=0.001126 ! Fit after self-cal, rms=0.334324Jy sigma=0.001125 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=2.019 mas, bmaj=3.322 mas, bpa=-14.08 degrees ! Estimated noise=1551.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.09749 Jy ! Component: 100 - total flux cleaned = 3.95253 Jy ! Component: 150 - total flux cleaned = 4.32863 Jy ! Component: 200 - total flux cleaned = 4.51411 Jy ! Total flux subtracted in 200 components = 4.51411 Jy ! Clean residual min=-0.027880 max=0.091042 Jy/beam ! Clean residual mean=0.000142 rms=0.007866 Jy/beam ! Combined flux in latest and established models = 4.51411 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 4.51411 Jy ! Inverting map and beam ! Estimated beam: bmin=2.41 mas, bmaj=4.073 mas, bpa=-13.19 degrees ! Estimated noise=977.546 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 = 0.157256 Jy ! Component: 100 - total flux cleaned = 0.238623 Jy ! Component: 150 - total flux cleaned = 0.285325 Jy ! Component: 200 - total flux cleaned = 0.313836 Jy ! Total flux subtracted in 200 components = 0.313836 Jy ! Clean residual min=-0.007192 max=0.014783 Jy/beam ! Clean residual mean=0.000075 rms=0.002447 Jy/beam ! Combined flux in latest and established models = 4.82795 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 36 components and 4.82795 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180723 Jy ! Component: 100 - total flux cleaned = 0.0286888 Jy ! Component: 150 - total flux cleaned = 0.033975 Jy ! Component: 200 - total flux cleaned = 0.037219 Jy ! Total flux subtracted in 200 components = 0.037219 Jy ! Clean residual min=-0.007084 max=0.008154 Jy/beam ! Clean residual mean=-0.000013 rms=0.001657 Jy/beam ! Combined flux in latest and established models = 4.86517 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 56 components and 4.86517 Jy ! Inverting map ! Added new window around map position (1.5, 6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00277763 Jy ! Component: 100 - total flux cleaned = 0.00530721 Jy ! Component: 150 - total flux cleaned = 0.00734865 Jy ! Component: 200 - total flux cleaned = 0.00978385 Jy ! Total flux subtracted in 200 components = 0.00978385 Jy ! Clean residual min=-0.006405 max=0.006656 Jy/beam ! Clean residual mean=-0.000036 rms=0.001502 Jy/beam ! Combined flux in latest and established models = 4.87495 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 64 components and 4.87495 Jy ! Inverting map ! Added new window around map position (-8.5, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00512242 Jy ! Component: 100 - total flux cleaned = 0.00728585 Jy ! Component: 150 - total flux cleaned = 0.00884946 Jy ! Component: 200 - total flux cleaned = 0.00991101 Jy ! Total flux subtracted in 200 components = 0.00991101 Jy ! Clean residual min=-0.005904 max=0.005491 Jy/beam ! Clean residual mean=-0.000054 rms=0.001406 Jy/beam ! Combined flux in latest and established models = 4.88487 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 78 components and 4.88487 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.302 mas, bmaj=9.053 mas, bpa=18.97 degrees ! Estimated noise=1282.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00342957 Jy ! Component: 100 - total flux cleaned = 0.00421988 Jy ! Component: 150 - total flux cleaned = 0.00439128 Jy ! Component: 200 - total flux cleaned = 0.0043144 Jy ! Total flux subtracted in 200 components = 0.0043144 Jy ! Clean residual min=-0.005092 max=0.005298 Jy/beam ! Clean residual mean=-0.000176 rms=0.001606 Jy/beam ! Combined flux in latest and established models = 4.88918 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 = -7.03796e-05 Jy ! Component: 100 - total flux cleaned = -0.000137847 Jy ! Component: 150 - total flux cleaned = -0.000200746 Jy ! Component: 200 - total flux cleaned = -0.000312411 Jy ! Total flux subtracted in 200 components = -0.000312411 Jy ! Clean residual min=-0.004946 max=0.005211 Jy/beam ! Clean residual mean=-0.000174 rms=0.001578 Jy/beam ! Combined flux in latest and established models = 4.88887 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 120 components and 4.88887 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.41 mas, bmaj=4.073 mas, bpa=-13.19 degrees ! Estimated noise=977.546 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00161986 Jy ! Component: 100 - total flux cleaned = -0.0014331 Jy ! Component: 150 - total flux cleaned = -0.000906246 Jy ! Component: 200 - total flux cleaned = -0.000234939 Jy ! Total flux subtracted in 200 components = -0.000234939 Jy ! Clean residual min=-0.005181 max=0.005365 Jy/beam ! Clean residual mean=-0.000061 rms=0.001330 Jy/beam ! Combined flux in latest and established models = 4.88863 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 130 components and 4.88864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.334668Jy sigma=0.001127 ! Fit after self-cal, rms=0.334411Jy sigma=0.001125 wmodel J0927+3902_S_2008_07_09_pus_map.mod ! Writing 130 model components to file: J0927+3902_S_2008_07_09_pus_map.mod wobs J0927+3902_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0927+3902_S_2008_07_09_pus_uvs.fits wwins J0927+3902_S_2008_07_09_pus_map.win ! wwins: Wrote 8 windows to J0927+3902_S_2008_07_09_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 = -0.00145682 Jy ! Component: 100 - total flux cleaned = -0.00198904 Jy ! Component: 150 - total flux cleaned = -0.00250023 Jy ! Component: 200 - total flux cleaned = -0.00291267 Jy ! Component: 250 - total flux cleaned = -0.002752 Jy ! Component: 300 - total flux cleaned = -0.00282982 Jy ! Component: 350 - total flux cleaned = -0.00267477 Jy ! Component: 400 - total flux cleaned = -0.00252341 Jy ! Component: 450 - total flux cleaned = -0.00229973 Jy ! Component: 500 - total flux cleaned = -0.00207901 Jy ! Component: 550 - total flux cleaned = -0.00171674 Jy ! Component: 600 - total flux cleaned = -0.00171584 Jy ! Component: 650 - total flux cleaned = -0.00122017 Jy ! Component: 700 - total flux cleaned = -0.000941313 Jy ! Component: 750 - total flux cleaned = -0.000872769 Jy ! Component: 800 - total flux cleaned = -0.000735493 Jy ! Component: 850 - total flux cleaned = -0.000531072 Jy ! Component: 900 - total flux cleaned = -0.000127046 Jy ! Component: 950 - total flux cleaned = 6.50516e-06 Jy ! Component: 1000 - total flux cleaned = 0.000270116 Jy ! Component: 1050 - total flux cleaned = 0.000466106 Jy ! Component: 1100 - total flux cleaned = 0.00053053 Jy ! Component: 1150 - total flux cleaned = 0.000530956 Jy ! Component: 1200 - total flux cleaned = 0.000785525 Jy ! Component: 1250 - total flux cleaned = 0.000974565 Jy ! Component: 1300 - total flux cleaned = 0.00116236 Jy ! Component: 1350 - total flux cleaned = 0.00122379 Jy ! Component: 1400 - total flux cleaned = 0.00110009 Jy ! Component: 1450 - total flux cleaned = 0.00128384 Jy ! Component: 1500 - total flux cleaned = 0.0011012 Jy ! Component: 1550 - total flux cleaned = 0.00128305 Jy ! Component: 1600 - total flux cleaned = 0.00110276 Jy ! Component: 1650 - total flux cleaned = 0.00128206 Jy ! Component: 1700 - total flux cleaned = 0.00122251 Jy ! Component: 1750 - total flux cleaned = 0.0010462 Jy ! Component: 1800 - total flux cleaned = 0.00122204 Jy ! Component: 1850 - total flux cleaned = 0.0011053 Jy ! Component: 1900 - total flux cleaned = 0.001106 Jy ! Component: 1950 - total flux cleaned = 0.00110614 Jy ! Component: 2000 - total flux cleaned = 0.000935231 Jy ! Total flux subtracted in 2048 components = 0.0011053 Jy ! Clean residual min=-0.003886 max=0.004513 Jy/beam ! Clean residual mean=-0.000053 rms=0.001025 Jy/beam ! Combined flux in latest and established models = 4.88974 Jy keep ! Adding 146 model components to the UV plane model. ! The established model now contains 274 components and 4.88974 Jy wmap "J0927+3902_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.41 x 4.073 at -13.19 degrees (North through East) ! Clean map min=-0.0045984 max=4.0938 Jy/beam ! Writing clean map to FITS file: J0927+3902_S_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 4.09381 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00102491 device "J0927+3902_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0927+3902_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0751068 0.0751068 0.150214 0.300427 0.600855 1.20171 2.40342 4.80684 9.61367 19.2273 38.4547 76.9094 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.003 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.093 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.41 x 4.073 at -13.19 degrees (North through East) ! Clean map min=-0.0045984 max=4.0938 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0927+3902_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0927+3902_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0927+3902_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 15:00:52 2010