! Started logfile: J0508+8432_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:36:32 2010 obs J0508+8432_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0508+8432_S_2008_04_02_pus_uva.fits ! AN table 1: 144 integrations on 120 of 120 possible baselines. ! AN table 2: 139 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.409776 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0508+8432 ! ! 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 984 lines of history. ! ! Reading 55664 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 843 telescope corrections were flagged in sub-array 1. ! A total of 778 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 843 telescope corrections were flagged in sub-array 1. ! A total of 778 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 844 telescope corrections were flagged in sub-array 1. ! A total of 778 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 843 telescope corrections were flagged in sub-array 1. ! A total of 778 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.898845Jy sigma=0.008177 ! Fit after self-cal, rms=0.840476Jy sigma=0.007637 ! 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=2.41 mas, bmaj=4.055 mas, bpa=-24.27 degrees ! Estimated noise=941.512 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 = 0.132358 Jy ! Component: 100 - total flux cleaned = 0.161932 Jy ! Total flux subtracted in 100 components = 0.161932 Jy ! Clean residual min=-0.006638 max=0.010493 Jy/beam ! Clean residual mean=0.000031 rms=0.001916 Jy/beam ! Combined flux in latest and established models = 0.161932 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.161932 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163491Jy sigma=0.001302 ! Fit after self-cal, rms=0.163487Jy sigma=0.001302 ! 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=3.199 mas, bmaj=4.971 mas, bpa=-20.58 degrees ! Estimated noise=337.238 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 = 0.0137139 Jy ! Component: 100 - total flux cleaned = 0.0197625 Jy ! Component: 150 - total flux cleaned = 0.0230048 Jy ! Component: 200 - total flux cleaned = 0.0247515 Jy ! Total flux subtracted in 200 components = 0.0247515 Jy ! Clean residual min=-0.003710 max=0.005149 Jy/beam ! Clean residual mean=0.000042 rms=0.001193 Jy/beam ! Combined flux in latest and established models = 0.186683 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 17 components and 0.186683 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162429Jy sigma=0.001292 ! Fit after self-cal, rms=0.162439Jy sigma=0.001292 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.04 HH 1.00* HN 1.09 ! KK 1.06 KP 1.03 LA 1.19 MK 0.78 ! NL 0.91 NY 1.00* ON 1.00* OV 0.94 ! PT 0.98 SC 1.15 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.08 HH 1.00* HN 1.10 ! KK 1.11 KP 1.02 LA 1.18 MK 0.81 ! NL 0.92 NY 0.77 ON 1.00* OV 0.98 ! PT 1.04 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.17 HH 1.00* HN 1.10 ! KK 1.04 KP 1.03 LA 1.10 MK 0.87 ! NL 0.94 NY 1.00* ON 1.00* OV 0.95 ! PT 1.02 SC 1.18 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.17 HH 1.00* HN 1.16 ! KK 1.02 KP 1.05 LA 1.14 MK 0.88 ! NL 0.97 NY 0.93 ON 1.00* OV 1.00 ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.14 HH 1.00* HN 1.17 ! KK 1.12 KP 1.04 LA 0.87 MK 0.85 ! NL 0.96 NY 1.00* ON 1.00* OV 0.98 ! PT 1.04 SC 1.06 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.18 HH 1.00* HN 1.15 ! KK 1.07 KP 1.05 LA 0.88 MK 0.88 ! NL 1.01 NY 0.88 ON 1.00* OV 1.00 ! PT 1.09 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.15 HH 1.00* HN 1.04 ! KK 1.05 KP 0.96 LA 0.73 MK 0.93 ! NL 0.91 NY 1.00* ON 1.00* OV 0.84 ! PT 0.91 SC 1.10 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.10 HH 1.00* HN 1.09 ! KK 1.01 KP 0.95 LA 0.71 MK 0.93 ! NL 0.88 NY 0.97 ON 1.00* OV 0.89 ! PT 0.94 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.162439Jy sigma=0.001292 ! Fit after self-cal, rms=0.154268Jy sigma=0.001265 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.194 mas, bmaj=4.962 mas, bpa=-20.76 degrees ! Estimated noise=335.988 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 = -0.000104434 Jy ! Component: 100 - total flux cleaned = 1.67032e-06 Jy ! Component: 150 - total flux cleaned = -1.74796e-05 Jy ! Component: 200 - total flux cleaned = -3.47363e-05 Jy ! Total flux subtracted in 200 components = -3.47363e-05 Jy ! Clean residual min=-0.001585 max=0.001806 Jy/beam ! Clean residual mean=0.000013 rms=0.000402 Jy/beam ! Combined flux in latest and established models = 0.186648 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 0.186648 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154257Jy sigma=0.001265 ! Fit after self-cal, rms=0.154364Jy sigma=0.001264 ! 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=0.154364Jy sigma=0.001264 ! Fit after self-cal, rms=0.154332Jy sigma=0.001264 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.194 mas, bmaj=4.952 mas, bpa=-20.65 degrees ! Estimated noise=336.212 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.55318e-05 Jy ! Component: 100 - total flux cleaned = 0.000127899 Jy ! Component: 150 - total flux cleaned = 0.00012855 Jy ! Component: 200 - total flux cleaned = 0.000114808 Jy ! Total flux subtracted in 200 components = 0.000114808 Jy ! Clean residual min=-0.001565 max=0.001795 Jy/beam ! Clean residual mean=0.000011 rms=0.000403 Jy/beam ! Combined flux in latest and established models = 0.186763 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 0.186763 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154326Jy sigma=0.001264 ! Fit after self-cal, rms=0.154333Jy sigma=0.001264 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 (38, -39). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0005332 Jy ! Component: 100 - total flux cleaned = 0.00045005 Jy ! Component: 150 - total flux cleaned = 0.000354879 Jy ! Component: 200 - total flux cleaned = 0.000273866 Jy ! Total flux subtracted in 200 components = 0.000273866 Jy ! Clean residual min=-0.001515 max=0.001752 Jy/beam ! Clean residual mean=0.000009 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.187037 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 41 components and 0.187037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154308Jy sigma=0.001264 ! Fit after self-cal, rms=0.154306Jy sigma=0.001264 ! Inverting map ! Added new window around map position (23, 51). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000728678 Jy ! Component: 100 - total flux cleaned = 0.000799699 Jy ! Component: 150 - total flux cleaned = 0.000772395 Jy ! Component: 200 - total flux cleaned = 0.000748464 Jy ! Total flux subtracted in 200 components = 0.000748464 Jy ! Clean residual min=-0.001424 max=0.001403 Jy/beam ! Clean residual mean=0.000011 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.187786 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 52 components and 0.187786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154287Jy sigma=0.001263 ! Fit after self-cal, rms=0.154286Jy sigma=0.001263 ! 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=0.154286Jy sigma=0.001263 ! Fit after self-cal, rms=0.154432Jy sigma=0.001263 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.195 mas, bmaj=4.948 mas, bpa=-20.57 degrees ! Estimated noise=336.429 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000273989 Jy ! Component: 100 - total flux cleaned = 0.000298097 Jy ! Component: 150 - total flux cleaned = 0.000298173 Jy ! Component: 200 - total flux cleaned = 0.000297894 Jy ! Total flux subtracted in 200 components = 0.000297894 Jy ! Clean residual min=-0.001388 max=0.001388 Jy/beam ! Clean residual mean=0.000011 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.188083 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 60 components and 0.188083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154424Jy sigma=0.001263 ! Fit after self-cal, rms=0.154424Jy sigma=0.001263 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 = -1.84594e-05 Jy ! Component: 100 - total flux cleaned = -3.80158e-05 Jy ! Component: 150 - total flux cleaned = -5.62497e-05 Jy ! Component: 200 - total flux cleaned = -7.35644e-05 Jy ! Total flux subtracted in 200 components = -7.35644e-05 Jy ! Clean residual min=-0.001386 max=0.001374 Jy/beam ! Clean residual mean=0.000011 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.18801 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 63 components and 0.18801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154419Jy sigma=0.001263 ! Fit after self-cal, rms=0.154418Jy sigma=0.001263 ! 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=0.154418Jy sigma=0.001263 ! Fit after self-cal, rms=0.154526Jy sigma=0.001263 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.064 mas, bmaj=10.75 mas, bpa=-18.64 degrees ! Estimated noise=421.515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000333617 Jy ! Component: 100 - total flux cleaned = 0.000238945 Jy ! Component: 150 - total flux cleaned = 0.0001863 Jy ! Component: 200 - total flux cleaned = 0.000162832 Jy ! Total flux subtracted in 200 components = 0.000162832 Jy ! Clean residual min=-0.001655 max=0.001592 Jy/beam ! Clean residual mean=0.000023 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.188173 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 77 components and 0.188173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154526Jy sigma=0.001263 ! Fit after self-cal, rms=0.154525Jy sigma=0.001263 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 = -5.57876e-05 Jy ! Component: 100 - total flux cleaned = -0.000104887 Jy ! Component: 150 - total flux cleaned = -0.000122843 Jy ! Component: 200 - total flux cleaned = -0.000156054 Jy ! Total flux subtracted in 200 components = -0.000156054 Jy ! Clean residual min=-0.001651 max=0.001587 Jy/beam ! Clean residual mean=0.000023 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.188017 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 89 components and 0.188017 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154525Jy sigma=0.001263 ! Fit after self-cal, rms=0.154525Jy sigma=0.001263 ! 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=3.195 mas, bmaj=4.946 mas, bpa=-20.54 degrees ! Estimated noise=336.673 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.195 x 4.946 at -20.54 degrees (North through East) ! Clean map min=-0.0013634 max=0.17284 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 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=2.408 mas, bmaj=4.034 mas, bpa=-24.32 degrees ! Estimated noise=940.254 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.131894 Jy ! Component: 100 - total flux cleaned = 0.16203 Jy ! Component: 150 - total flux cleaned = 0.174234 Jy ! Component: 200 - total flux cleaned = 0.178217 Jy ! Total flux subtracted in 200 components = 0.178217 Jy ! Clean residual min=-0.004905 max=0.004301 Jy/beam ! Clean residual mean=0.000011 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.178217 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.178217 Jy ! Inverting map and beam ! Estimated beam: bmin=3.195 mas, bmaj=4.946 mas, bpa=-20.54 degrees ! Estimated noise=336.673 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 = 0.00416342 Jy ! Component: 100 - total flux cleaned = 0.00618588 Jy ! Component: 150 - total flux cleaned = 0.00673092 Jy ! Component: 200 - total flux cleaned = 0.0071201 Jy ! Total flux subtracted in 200 components = 0.0071201 Jy ! Clean residual min=-0.001451 max=0.001659 Jy/beam ! Clean residual mean=0.000014 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.185337 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 31 components and 0.185337 Jy ! Inverting map ! Added new window around map position (38.5, -11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115965 Jy ! Component: 100 - total flux cleaned = 0.0015432 Jy ! Component: 150 - total flux cleaned = 0.00184502 Jy ! Component: 200 - total flux cleaned = 0.00208204 Jy ! Total flux subtracted in 200 components = 0.00208204 Jy ! Clean residual min=-0.001360 max=0.001356 Jy/beam ! Clean residual mean=0.000010 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.187419 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 38 components and 0.187419 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=8.064 mas, bmaj=10.75 mas, bpa=-18.64 degrees ! Estimated noise=421.515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000634544 Jy ! Component: 100 - total flux cleaned = 0.000612774 Jy ! Component: 150 - total flux cleaned = 0.000613025 Jy ! Component: 200 - total flux cleaned = 0.000612189 Jy ! Total flux subtracted in 200 components = 0.000612189 Jy ! Clean residual min=-0.001608 max=0.001657 Jy/beam ! Clean residual mean=0.000016 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.188032 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 = 1.31556e-05 Jy ! Component: 100 - total flux cleaned = 2.52877e-05 Jy ! Component: 150 - total flux cleaned = 4.72878e-05 Jy ! Component: 200 - total flux cleaned = 6.75252e-05 Jy ! Total flux subtracted in 200 components = 6.75252e-05 Jy ! Clean residual min=-0.001587 max=0.001665 Jy/beam ! Clean residual mean=0.000014 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 0.188099 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 80 components and 0.188099 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.195 mas, bmaj=4.946 mas, bpa=-20.54 degrees ! Estimated noise=336.673 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000121675 Jy ! Component: 100 - total flux cleaned = 1.82498e-05 Jy ! Component: 150 - total flux cleaned = -4.44469e-06 Jy ! Component: 200 - total flux cleaned = -3.79229e-06 Jy ! Total flux subtracted in 200 components = -3.79229e-06 Jy ! Clean residual min=-0.001284 max=0.001320 Jy/beam ! Clean residual mean=0.000007 rms=0.000352 Jy/beam ! Combined flux in latest and established models = 0.188095 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 96 components and 0.188095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154517Jy sigma=0.001263 ! Fit after self-cal, rms=0.154516Jy sigma=0.001263 wmodel J0508+8432_S_2008_04_02_pus_map.mod ! Writing 96 model components to file: J0508+8432_S_2008_04_02_pus_map.mod wobs J0508+8432_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0508+8432_S_2008_04_02_pus_uvs.fits wwins J0508+8432_S_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J0508+8432_S_2008_04_02_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 = 5.23485e-05 Jy ! Component: 100 - total flux cleaned = -1.83174e-05 Jy ! Component: 150 - total flux cleaned = -4.08556e-05 Jy ! Component: 200 - total flux cleaned = -6.21706e-05 Jy ! Component: 250 - total flux cleaned = -4.16059e-05 Jy ! Component: 300 - total flux cleaned = -1.66952e-06 Jy ! Component: 350 - total flux cleaned = 3.74071e-05 Jy ! Component: 400 - total flux cleaned = 1.86533e-05 Jy ! Component: 450 - total flux cleaned = 1.87736e-05 Jy ! Component: 500 - total flux cleaned = 2.8302e-07 Jy ! Component: 550 - total flux cleaned = 1.804e-05 Jy ! Component: 600 - total flux cleaned = 3.55236e-05 Jy ! Component: 650 - total flux cleaned = 7.03082e-05 Jy ! Component: 700 - total flux cleaned = 8.72851e-05 Jy ! Component: 750 - total flux cleaned = 0.000120996 Jy ! Component: 800 - total flux cleaned = 0.00013781 Jy ! Component: 850 - total flux cleaned = 0.000170512 Jy ! Component: 900 - total flux cleaned = 0.000170624 Jy ! Component: 950 - total flux cleaned = 0.000250076 Jy ! Component: 1000 - total flux cleaned = 0.000312931 Jy ! Component: 1050 - total flux cleaned = 0.000359213 Jy ! Component: 1100 - total flux cleaned = 0.000435909 Jy ! Component: 1150 - total flux cleaned = 0.000541996 Jy ! Component: 1200 - total flux cleaned = 0.000616608 Jy ! Component: 1250 - total flux cleaned = 0.000705451 Jy ! Component: 1300 - total flux cleaned = 0.000807978 Jy ! Component: 1350 - total flux cleaned = 0.000865881 Jy ! Component: 1400 - total flux cleaned = 0.000923405 Jy ! Component: 1450 - total flux cleaned = 0.000952055 Jy ! Component: 1500 - total flux cleaned = 0.00103679 Jy ! Component: 1550 - total flux cleaned = 0.0010787 Jy ! Component: 1600 - total flux cleaned = 0.00113411 Jy ! Component: 1650 - total flux cleaned = 0.00118895 Jy ! Component: 1700 - total flux cleaned = 0.00127052 Jy ! Component: 1750 - total flux cleaned = 0.00132438 Jy ! Component: 1800 - total flux cleaned = 0.00137774 Jy ! Component: 1850 - total flux cleaned = 0.00148361 Jy ! Component: 1900 - total flux cleaned = 0.00149675 Jy ! Component: 1950 - total flux cleaned = 0.00156206 Jy ! Component: 2000 - total flux cleaned = 0.00162686 Jy ! Total flux subtracted in 2048 components = 0.00167828 Jy ! Clean residual min=-0.000742 max=0.000740 Jy/beam ! Clean residual mean=0.000009 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.189774 Jy keep ! Adding 138 model components to the UV plane model. ! The established model now contains 234 components and 0.189774 Jy wmap "J0508+8432_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.195 x 4.946 at -20.54 degrees (North through East) ! Clean map min=-0.0013689 max=0.1731 Jy/beam ! Writing clean map to FITS file: J0508+8432_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.173102 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000247275 device "J0508+8432_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0508+8432_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.428547 0.428547 0.857095 1.71419 3.42838 6.85676 13.7135 27.427 54.8541 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.173 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.195 x 4.946 at -20.54 degrees (North through East) ! Clean map min=-0.0013689 max=0.1731 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0508+8432_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0508+8432_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0508+8432_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:36:40 2010