! Started logfile: J1658+3443_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:42:31 2010 obs J1658+3443_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1658+3443_S_2008_04_02_pus_uva.fits ! AN table 1: 394 integrations on 120 of 120 possible baselines. ! AN table 2: 243 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.190555 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1658+3443 ! ! 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 58264 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 3273 telescope corrections were flagged in sub-array 1. ! A total of 2725 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3223 telescope corrections were flagged in sub-array 1. ! A total of 2674 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3301 telescope corrections were flagged in sub-array 1. ! A total of 2674 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3223 telescope corrections were flagged in sub-array 1. ! A total of 2674 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.946054Jy sigma=0.005171 ! Fit after self-cal, rms=0.849519Jy sigma=0.004692 ! 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=1.582 mas, bmaj=2.551 mas, bpa=39.09 degrees ! Estimated noise=1202.1 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 = 0.152809 Jy ! Component: 100 - total flux cleaned = 0.216587 Jy ! Total flux subtracted in 100 components = 0.216587 Jy ! Clean residual min=-0.013898 max=0.034071 Jy/beam ! Clean residual mean=0.000308 rms=0.003640 Jy/beam ! Combined flux in latest and established models = 0.216587 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.216587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.371463Jy sigma=0.001309 ! Fit after self-cal, rms=0.369895Jy sigma=0.001305 ! Inverting map ! Added new window around map position (2, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0410549 Jy ! Component: 100 - total flux cleaned = 0.0636005 Jy ! Total flux subtracted in 100 components = 0.0636005 Jy ! Clean residual min=-0.011333 max=0.016227 Jy/beam ! Clean residual mean=0.000167 rms=0.002528 Jy/beam ! Combined flux in latest and established models = 0.280187 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 15 components and 0.280187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362373Jy sigma=0.001265 ! Fit after self-cal, rms=0.361291Jy sigma=0.001263 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178338 Jy ! Component: 100 - total flux cleaned = 0.0248493 Jy ! Total flux subtracted in 100 components = 0.0248493 Jy ! Clean residual min=-0.009745 max=0.009547 Jy/beam ! Clean residual mean=0.000111 rms=0.002395 Jy/beam ! Combined flux in latest and established models = 0.305037 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 18 components and 0.305037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359624Jy sigma=0.001262 ! Fit after self-cal, rms=0.359099Jy sigma=0.001261 ! 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=2.02 mas, bmaj=2.881 mas, bpa=34.97 degrees ! Estimated noise=570.653 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 = 0.00387987 Jy ! Component: 100 - total flux cleaned = 0.00376382 Jy ! Component: 150 - total flux cleaned = 0.00330497 Jy ! Component: 200 - total flux cleaned = 0.00306866 Jy ! Total flux subtracted in 200 components = 0.00306866 Jy ! Clean residual min=-0.010060 max=0.009939 Jy/beam ! Clean residual mean=0.000663 rms=0.002912 Jy/beam ! Combined flux in latest and established models = 0.308105 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 25 components and 0.308105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358795Jy sigma=0.001260 ! Fit after self-cal, rms=0.358649Jy sigma=0.001260 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.13 HH 1.05 HN 1.15 ! KK 1.00* KP 1.00* LA 1.21 MK 1.00* ! NL 0.93 NY 0.83 ON 0.81 OV 1.00* ! PT 1.02 SC 1.07 WZ 0.94 ZC 1.13 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.76 ON 0.73 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.96 ZC 1.17 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.21 HH 1.19 HN 1.21 ! KK 1.00* KP 1.00* LA 1.11 MK 1.00* ! NL 0.96 NY 0.99 ON 0.81 OV 1.00* ! PT 1.01 SC 1.13 WZ 0.88 ZC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.05 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.91 ON 0.90 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.87 ZC 1.12 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.23 HH 0.98 HN 1.22 ! KK 1.00* KP 1.00* LA 0.87 MK 1.00* ! NL 1.00 NY 0.91 ON 0.80 OV 1.00* ! PT 1.07 SC 1.01 WZ 0.79 ZC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.99 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.86 ON 0.75 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.79 ZC 1.10 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.20 HH 0.98 HN 1.10 ! KK 1.00* KP 1.00* LA 0.70 MK 1.00* ! NL 0.93 NY 0.97 ON 0.84 OV 1.00* ! PT 0.94 SC 1.05 WZ 0.82 ZC 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.99 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.00 ON 0.79 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.81 ZC 0.94 ! ! ! Fit before self-cal, rms=0.358649Jy sigma=0.001260 ! Fit after self-cal, rms=0.302331Jy sigma=0.001231 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.051 mas, bmaj=2.865 mas, bpa=35.13 degrees ! Estimated noise=567.553 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 = 0.00340233 Jy ! Component: 100 - total flux cleaned = 0.00328448 Jy ! Component: 150 - total flux cleaned = 0.00301534 Jy ! Component: 200 - total flux cleaned = 0.00281075 Jy ! Total flux subtracted in 200 components = 0.00281075 Jy ! Clean residual min=-0.004448 max=0.005883 Jy/beam ! Clean residual mean=0.000234 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 0.310916 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 0.310916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302208Jy sigma=0.001231 ! Fit after self-cal, rms=0.300394Jy sigma=0.001229 ! Inverting map ! Added new window around map position (3.5, 57.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00566469 Jy ! Component: 100 - total flux cleaned = 0.0090305 Jy ! Component: 150 - total flux cleaned = 0.01033 Jy ! Component: 200 - total flux cleaned = 0.0110575 Jy ! Total flux subtracted in 200 components = 0.0110575 Jy ! Clean residual min=-0.004313 max=0.004761 Jy/beam ! Clean residual mean=0.000099 rms=0.001128 Jy/beam ! Combined flux in latest and established models = 0.321974 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 40 components and 0.321974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300253Jy sigma=0.001228 ! Fit after self-cal, rms=0.300111Jy sigma=0.001228 ! 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=0.300111Jy sigma=0.001228 ! Fit after self-cal, rms=0.297565Jy sigma=0.001226 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.071 mas, bmaj=2.863 mas, bpa=35.56 degrees ! Estimated noise=573.375 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262677 Jy ! Component: 100 - total flux cleaned = 0.00316797 Jy ! Component: 150 - total flux cleaned = 0.00375688 Jy ! Component: 200 - total flux cleaned = 0.00430405 Jy ! Total flux subtracted in 200 components = 0.00430405 Jy ! Clean residual min=-0.003473 max=0.003713 Jy/beam ! Clean residual mean=0.000125 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.326278 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 46 components and 0.326278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297510Jy sigma=0.001225 ! Fit after self-cal, rms=0.297026Jy sigma=0.001225 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 (-4.5, -10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0030505 Jy ! Component: 100 - total flux cleaned = 0.00339948 Jy ! Component: 150 - total flux cleaned = 0.00361412 Jy ! Component: 200 - total flux cleaned = 0.00400067 Jy ! Total flux subtracted in 200 components = 0.00400067 Jy ! Clean residual min=-0.003505 max=0.003845 Jy/beam ! Clean residual mean=0.000069 rms=0.000890 Jy/beam ! Combined flux in latest and established models = 0.330278 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 0.330278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296960Jy sigma=0.001225 ! Fit after self-cal, rms=0.296897Jy sigma=0.001225 ! Inverting map ! Added new window around map position (54, 34.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0030642 Jy ! Component: 100 - total flux cleaned = 0.00356802 Jy ! Component: 150 - total flux cleaned = 0.00370735 Jy ! Component: 200 - total flux cleaned = 0.0036435 Jy ! Total flux subtracted in 200 components = 0.0036435 Jy ! Clean residual min=-0.003302 max=0.003536 Jy/beam ! Clean residual mean=0.000022 rms=0.000859 Jy/beam ! Combined flux in latest and established models = 0.333922 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 0.333922 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296845Jy sigma=0.001224 ! Fit after self-cal, rms=0.296819Jy sigma=0.001224 ! 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=0.296819Jy sigma=0.001224 ! Fit after self-cal, rms=0.296671Jy sigma=0.001224 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.081 mas, bmaj=2.857 mas, bpa=35.48 degrees ! Estimated noise=574.624 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00240215 Jy ! Component: 100 - total flux cleaned = 0.00319576 Jy ! Component: 150 - total flux cleaned = 0.00344967 Jy ! Component: 200 - total flux cleaned = 0.00374286 Jy ! Total flux subtracted in 200 components = 0.00374286 Jy ! Clean residual min=-0.003060 max=0.003518 Jy/beam ! Clean residual mean=0.000064 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.337665 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 79 components and 0.337665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296635Jy sigma=0.001224 ! Fit after self-cal, rms=0.296543Jy sigma=0.001224 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 (-8.5, -42.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00294433 Jy ! Component: 100 - total flux cleaned = 0.00400488 Jy ! Component: 150 - total flux cleaned = 0.00418894 Jy ! Component: 200 - total flux cleaned = 0.00424759 Jy ! Total flux subtracted in 200 components = 0.00424759 Jy ! Clean residual min=-0.003071 max=0.002727 Jy/beam ! Clean residual mean=0.000008 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.341912 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 88 components and 0.341912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296504Jy sigma=0.001223 ! Fit after self-cal, rms=0.296469Jy sigma=0.001223 ! 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=0.296469Jy sigma=0.001223 ! Fit after self-cal, rms=0.296229Jy sigma=0.001223 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.322 mas, bmaj=9.094 mas, bpa=-81.3 degrees ! Estimated noise=846.458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0020901 Jy ! Component: 100 - total flux cleaned = 0.00302876 Jy ! Component: 150 - total flux cleaned = 0.00319264 Jy ! Component: 200 - total flux cleaned = 0.00330067 Jy ! Total flux subtracted in 200 components = 0.00330067 Jy ! Clean residual min=-0.003075 max=0.003533 Jy/beam ! Clean residual mean=0.000065 rms=0.000906 Jy/beam ! Combined flux in latest and established models = 0.345213 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 105 components and 0.345213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296231Jy sigma=0.001223 ! Fit after self-cal, rms=0.296112Jy sigma=0.001223 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 = 0.000698282 Jy ! Component: 100 - total flux cleaned = 0.000838061 Jy ! Component: 150 - total flux cleaned = 0.000931925 Jy ! Component: 200 - total flux cleaned = 0.00104823 Jy ! Total flux subtracted in 200 components = 0.00104823 Jy ! Clean residual min=-0.003048 max=0.003450 Jy/beam ! Clean residual mean=0.000018 rms=0.000907 Jy/beam ! Combined flux in latest and established models = 0.346261 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 110 components and 0.346261 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296114Jy sigma=0.001223 ! Fit after self-cal, rms=0.296100Jy sigma=0.001223 ! 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=2.085 mas, bmaj=2.856 mas, bpa=35.45 degrees ! Estimated noise=575.756 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.085 x 2.856 at 35.45 degrees (North through East) ! Clean map min=-0.0028719 max=0.19527 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=1.65 mas, bmaj=2.513 mas, bpa=40.15 degrees ! Estimated noise=1227.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.157494 Jy ! Component: 100 - total flux cleaned = 0.228929 Jy ! Component: 150 - total flux cleaned = 0.267173 Jy ! Component: 200 - total flux cleaned = 0.289655 Jy ! Total flux subtracted in 200 components = 0.289655 Jy ! Clean residual min=-0.007145 max=0.011404 Jy/beam ! Clean residual mean=0.000114 rms=0.001871 Jy/beam ! Combined flux in latest and established models = 0.289655 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.289655 Jy ! Inverting map and beam ! Estimated beam: bmin=2.085 mas, bmaj=2.856 mas, bpa=35.45 degrees ! Estimated noise=575.756 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 = 0.0163337 Jy ! Component: 100 - total flux cleaned = 0.0255872 Jy ! Component: 150 - total flux cleaned = 0.0323611 Jy ! Component: 200 - total flux cleaned = 0.0377275 Jy ! Total flux subtracted in 200 components = 0.0377275 Jy ! Clean residual min=-0.003179 max=0.004433 Jy/beam ! Clean residual mean=0.000248 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.327383 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 26 components and 0.327383 Jy ! Inverting map ! Added new window around map position (-3, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00470166 Jy ! Component: 100 - total flux cleaned = 0.00842002 Jy ! Component: 150 - total flux cleaned = 0.0107144 Jy ! Component: 200 - total flux cleaned = 0.0122968 Jy ! Total flux subtracted in 200 components = 0.0122968 Jy ! Clean residual min=-0.002912 max=0.003064 Jy/beam ! Clean residual mean=0.000085 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.33968 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 41 components and 0.33968 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.322 mas, bmaj=9.094 mas, bpa=-81.3 degrees ! Estimated noise=846.458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00312919 Jy ! Component: 100 - total flux cleaned = 0.00420069 Jy ! Component: 150 - total flux cleaned = 0.00502417 Jy ! Component: 200 - total flux cleaned = 0.00539997 Jy ! Total flux subtracted in 200 components = 0.00539997 Jy ! Clean residual min=-0.002864 max=0.003602 Jy/beam ! Clean residual mean=0.000073 rms=0.000886 Jy/beam ! Combined flux in latest and established models = 0.34508 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 = 0.000377341 Jy ! Component: 100 - total flux cleaned = 0.000546105 Jy ! Component: 150 - total flux cleaned = 0.000625468 Jy ! Component: 200 - total flux cleaned = 0.000700027 Jy ! Total flux subtracted in 200 components = 0.000700027 Jy ! Clean residual min=-0.002774 max=0.003478 Jy/beam ! Clean residual mean=0.000035 rms=0.000871 Jy/beam ! Combined flux in latest and established models = 0.34578 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 81 components and 0.34578 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.085 mas, bmaj=2.856 mas, bpa=35.45 degrees ! Estimated noise=575.756 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000494361 Jy ! Component: 100 - total flux cleaned = -0.000502068 Jy ! Component: 150 - total flux cleaned = -0.000421409 Jy ! Component: 200 - total flux cleaned = -0.000273413 Jy ! Total flux subtracted in 200 components = -0.000273413 Jy ! Clean residual min=-0.003073 max=0.002857 Jy/beam ! Clean residual mean=0.000013 rms=0.000716 Jy/beam ! Combined flux in latest and established models = 0.345506 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 93 components and 0.345506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296122Jy sigma=0.001223 ! Fit after self-cal, rms=0.296248Jy sigma=0.001223 wmodel J1658+3443_S_2008_04_02_pus_map.mod ! Writing 93 model components to file: J1658+3443_S_2008_04_02_pus_map.mod wobs J1658+3443_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1658+3443_S_2008_04_02_pus_uvs.fits wwins J1658+3443_S_2008_04_02_pus_map.win ! wwins: Wrote 7 windows to J1658+3443_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 = -0.000524851 Jy ! Component: 100 - total flux cleaned = -0.000475372 Jy ! Component: 150 - total flux cleaned = -0.00047529 Jy ! Component: 200 - total flux cleaned = -0.000476874 Jy ! Component: 250 - total flux cleaned = -0.000520251 Jy ! Component: 300 - total flux cleaned = -0.000477878 Jy ! Component: 350 - total flux cleaned = -0.000477586 Jy ! Component: 400 - total flux cleaned = -0.000437955 Jy ! Component: 450 - total flux cleaned = -0.000438786 Jy ! Component: 500 - total flux cleaned = -0.000516426 Jy ! Component: 550 - total flux cleaned = -0.000554142 Jy ! Component: 600 - total flux cleaned = -0.000479234 Jy ! Component: 650 - total flux cleaned = -0.000479233 Jy ! Component: 700 - total flux cleaned = -0.000479215 Jy ! Component: 750 - total flux cleaned = -0.000479097 Jy ! Component: 800 - total flux cleaned = -0.000479201 Jy ! Component: 850 - total flux cleaned = -0.000584362 Jy ! Component: 900 - total flux cleaned = -0.000653451 Jy ! Component: 950 - total flux cleaned = -0.000584402 Jy ! Component: 1000 - total flux cleaned = -0.000618502 Jy ! Component: 1050 - total flux cleaned = -0.000651988 Jy ! Component: 1100 - total flux cleaned = -0.000618624 Jy ! Component: 1150 - total flux cleaned = -0.000651836 Jy ! Component: 1200 - total flux cleaned = -0.000717074 Jy ! Component: 1250 - total flux cleaned = -0.00068479 Jy ! Component: 1300 - total flux cleaned = -0.000749045 Jy ! Component: 1350 - total flux cleaned = -0.000812723 Jy ! Component: 1400 - total flux cleaned = -0.000844144 Jy ! Component: 1450 - total flux cleaned = -0.000875473 Jy ! Component: 1500 - total flux cleaned = -0.000968529 Jy ! Component: 1550 - total flux cleaned = -0.000937303 Jy ! Component: 1600 - total flux cleaned = -0.000937514 Jy ! Component: 1650 - total flux cleaned = -0.000998292 Jy ! Component: 1700 - total flux cleaned = -0.00105847 Jy ! Component: 1750 - total flux cleaned = -0.00105845 Jy ! Component: 1800 - total flux cleaned = -0.00111789 Jy ! Component: 1850 - total flux cleaned = -0.00114727 Jy ! Component: 1900 - total flux cleaned = -0.0011181 Jy ! Component: 1950 - total flux cleaned = -0.00114723 Jy ! Component: 2000 - total flux cleaned = -0.0011474 Jy ! Total flux subtracted in 2048 components = -0.00114736 Jy ! Clean residual min=-0.001887 max=0.001610 Jy/beam ! Clean residual mean=0.000020 rms=0.000520 Jy/beam ! Combined flux in latest and established models = 0.344359 Jy keep ! Adding 157 model components to the UV plane model. ! The established model now contains 250 components and 0.344359 Jy wmap "J1658+3443_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.085 x 2.856 at 35.45 degrees (North through East) ! Clean map min=-0.002426 max=0.19275 Jy/beam ! Writing clean map to FITS file: J1658+3443_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 0.19275 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000518297 device "J1658+3443_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1658+3443_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.806688 0.806688 1.61338 3.22675 6.45351 12.907 25.814 51.6281 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.192 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.085 x 2.856 at 35.45 degrees (North through East) ! Clean map min=-0.002426 max=0.19275 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1658+3443_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1658+3443_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1658+3443_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:42:44 2010