! Started logfile: J1931+2243_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:43:54 2010 obs J1931+2243_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1931+2243_S_2008_04_02_pus_uva.fits ! AN table 1: 443 integrations on 120 of 120 possible baselines. ! AN table 2: 149 integrations on 120 of 120 possible baselines. ! AN table 3: 176 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.189421 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1931+2243 ! ! 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 69828 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 4827 telescope corrections were flagged in sub-array 1. ! A total of 1540 telescope corrections were flagged in sub-array 2. ! A total of 1063 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 4831 telescope corrections were flagged in sub-array 1. ! A total of 1661 telescope corrections were flagged in sub-array 2. ! A total of 1063 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 4827 telescope corrections were flagged in sub-array 1. ! A total of 1661 telescope corrections were flagged in sub-array 2. ! A total of 1063 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 4783 telescope corrections were flagged in sub-array 1. ! A total of 1661 telescope corrections were flagged in sub-array 2. ! A total of 942 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.875437Jy sigma=0.005802 ! Fit after self-cal, rms=0.787984Jy sigma=0.005233 ! 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=1.904 mas, bmaj=2.891 mas, bpa=-3.231 degrees ! Estimated noise=1106.6 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 = 0.201927 Jy ! Component: 100 - total flux cleaned = 0.26488 Jy ! Total flux subtracted in 100 components = 0.26488 Jy ! Clean residual min=-0.009990 max=0.026230 Jy/beam ! Clean residual mean=0.000100 rms=0.003043 Jy/beam ! Combined flux in latest and established models = 0.26488 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.26488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332230Jy sigma=0.001307 ! Fit after self-cal, rms=0.332033Jy sigma=0.001306 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283791 Jy ! Component: 100 - total flux cleaned = 0.042039 Jy ! Total flux subtracted in 100 components = 0.042039 Jy ! Clean residual min=-0.009487 max=0.009501 Jy/beam ! Clean residual mean=0.000041 rms=0.002496 Jy/beam ! Combined flux in latest and established models = 0.306919 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 9 components and 0.306919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.328405Jy sigma=0.001284 ! Fit after self-cal, rms=0.328214Jy sigma=0.001284 ! 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=2.332 mas, bmaj=3.773 mas, bpa=-6.18 degrees ! Estimated noise=449.388 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 = 0.00836206 Jy ! Component: 100 - total flux cleaned = 0.0111729 Jy ! Component: 150 - total flux cleaned = 0.011547 Jy ! Component: 200 - total flux cleaned = 0.011765 Jy ! Total flux subtracted in 200 components = 0.011765 Jy ! Clean residual min=-0.008232 max=0.009671 Jy/beam ! Clean residual mean=0.000240 rms=0.002208 Jy/beam ! Combined flux in latest and established models = 0.318684 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 20 components and 0.318684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327626Jy sigma=0.001283 ! Fit after self-cal, rms=0.327377Jy sigma=0.001283 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 213 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.08 HH 1.04 HN 1.00* ! KK 1.00* KP 1.01 LA 1.20 MK 0.83 ! NL 1.02 NY 0.75 ON 0.76 OV 0.99 ! PT 0.98 SC 1.00* WZ 0.89 ZC 1.18 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.21 HN 1.05 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.82 ON 0.86 OV 1.00* ! PT 1.00* SC 1.11 WZ 0.91 ZC 1.11 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.09 HH 1.00* HN 1.15 ! KK 1.00* KP 1.00 LA 1.16 MK 1.00* ! NL 0.94 NY 0.85 ON 0.98 OV 1.00* ! PT 1.01 SC 1.10 WZ 0.91 ZC 1.19 ! ! ! Correcting IF 2. ! A total of 204 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.16 HH 1.12 HN 1.00* ! KK 1.00* KP 1.03 LA 1.16 MK 0.87 ! NL 1.04 NY 0.95 ON 0.81 OV 1.00 ! PT 1.02 SC 1.00* WZ 0.84 ZC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.11 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 0.86 OV 1.00* ! PT 1.00* SC 1.15 WZ 0.81 ZC 1.09 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.17 HH 1.00* HN 1.20 ! KK 1.00* KP 1.03 LA 1.10 MK 1.00* ! NL 0.97 NY 1.02 ON 0.96 OV 1.00* ! PT 1.01 SC 1.14 WZ 0.89 ZC 1.16 ! ! ! Correcting IF 3. ! A total of 213 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.15 HH 1.02 HN 1.00* ! KK 1.00* KP 1.01 LA 0.89 MK 0.93 ! NL 1.08 NY 0.84 ON 0.79 OV 1.06 ! PT 1.08 SC 1.00* WZ 0.78 ZC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.28 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.84 ON 0.85 OV 1.00* ! PT 1.00* SC 1.05 WZ 0.77 ZC 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.10 FD 1.18 HH 1.00* HN 1.22 ! KK 1.00* KP 1.04 LA 0.88 MK 1.00* ! NL 1.02 NY 0.89 ON 0.89 OV 1.00* ! PT 1.06 SC 1.07 WZ 0.78 ZC 1.16 ! ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.15 HH 1.14 HN 1.00* ! KK 1.00* KP 0.96 LA 0.75 MK 0.96 ! NL 0.99 NY 1.00 ON 0.78 OV 0.85 ! PT 0.91 SC 1.00* WZ 0.76 ZC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.04 ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 0.83 OV 1.00* ! PT 1.00* SC 1.09 WZ 0.75 ZC 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.12 HH 1.20 HN 1.13 ! KK 1.00* KP 0.94 LA 0.73 MK 1.00* ! NL 0.93 NY 1.08 ON 0.97 OV 1.00* ! PT 0.92 SC 1.10 WZ 0.77 ZC 1.01 ! ! ! Fit before self-cal, rms=0.327377Jy sigma=0.001283 ! Fit after self-cal, rms=0.281618Jy sigma=0.001239 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.355 mas, bmaj=3.796 mas, bpa=-7.004 degrees ! Estimated noise=454.246 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 (-6.5, 9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00281844 Jy ! Component: 100 - total flux cleaned = 0.0037717 Jy ! Component: 150 - total flux cleaned = 0.00443955 Jy ! Component: 200 - total flux cleaned = 0.00472159 Jy ! Total flux subtracted in 200 components = 0.00472159 Jy ! Clean residual min=-0.003436 max=0.003259 Jy/beam ! Clean residual mean=0.000068 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.323406 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 35 components and 0.323406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281562Jy sigma=0.001239 ! Fit after self-cal, rms=0.280138Jy sigma=0.001237 ! 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=0.280138Jy sigma=0.001237 ! Fit after self-cal, rms=0.276439Jy sigma=0.001236 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.36 mas, bmaj=3.79 mas, bpa=-7.043 degrees ! Estimated noise=453.486 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00124027 Jy ! Component: 100 - total flux cleaned = 0.00176602 Jy ! Component: 150 - total flux cleaned = 0.00204509 Jy ! Component: 200 - total flux cleaned = 0.00223865 Jy ! Total flux subtracted in 200 components = 0.00223865 Jy ! Clean residual min=-0.003051 max=0.002981 Jy/beam ! Clean residual mean=0.000065 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 0.325644 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.325645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276416Jy sigma=0.001236 ! Fit after self-cal, rms=0.276137Jy sigma=0.001236 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 = 0.000810435 Jy ! Component: 100 - total flux cleaned = 0.000989732 Jy ! Component: 150 - total flux cleaned = 0.00108442 Jy ! Component: 200 - total flux cleaned = 0.00111415 Jy ! Total flux subtracted in 200 components = 0.00111415 Jy ! Clean residual min=-0.003029 max=0.003039 Jy/beam ! Clean residual mean=0.000056 rms=0.000679 Jy/beam ! Combined flux in latest and established models = 0.326759 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 0.326759 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276126Jy sigma=0.001236 ! Fit after self-cal, rms=0.276118Jy sigma=0.001236 ! Inverting map ! Added new window around map position (-50.5, -59.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141282 Jy ! Component: 100 - total flux cleaned = 0.00128885 Jy ! Component: 150 - total flux cleaned = 0.00133125 Jy ! Component: 200 - total flux cleaned = 0.00133079 Jy ! Total flux subtracted in 200 components = 0.00133079 Jy ! Clean residual min=-0.003011 max=0.002971 Jy/beam ! Clean residual mean=0.000059 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.328089 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 60 components and 0.328089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276078Jy sigma=0.001236 ! Fit after self-cal, rms=0.276074Jy sigma=0.001236 ! 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=0.276074Jy sigma=0.001236 ! Fit after self-cal, rms=0.274643Jy sigma=0.001235 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.363 mas, bmaj=3.778 mas, bpa=-7.071 degrees ! Estimated noise=453.766 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000660607 Jy ! Component: 100 - total flux cleaned = 0.00079161 Jy ! Component: 150 - total flux cleaned = 0.000871087 Jy ! Component: 200 - total flux cleaned = 0.000872711 Jy ! Total flux subtracted in 200 components = 0.000872711 Jy ! Clean residual min=-0.002776 max=0.002672 Jy/beam ! Clean residual mean=0.000074 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.328962 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 67 components and 0.328962 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274626Jy sigma=0.001235 ! Fit after self-cal, rms=0.274514Jy sigma=0.001235 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 = 0.000246699 Jy ! Component: 100 - total flux cleaned = 0.000245823 Jy ! Component: 150 - total flux cleaned = 0.000245246 Jy ! Component: 200 - total flux cleaned = 0.000216221 Jy ! Total flux subtracted in 200 components = 0.000216221 Jy ! Clean residual min=-0.002751 max=0.002649 Jy/beam ! Clean residual mean=0.000070 rms=0.000634 Jy/beam ! Combined flux in latest and established models = 0.329178 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 72 components and 0.329178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274503Jy sigma=0.001235 ! Fit after self-cal, rms=0.274492Jy sigma=0.001235 ! 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=0.274492Jy sigma=0.001235 ! Fit after self-cal, rms=0.274260Jy sigma=0.001235 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.941 mas, bmaj=9.273 mas, bpa=56.69 degrees ! Estimated noise=557.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135131 Jy ! Component: 100 - total flux cleaned = 0.0017323 Jy ! Component: 150 - total flux cleaned = 0.00181824 Jy ! Component: 200 - total flux cleaned = 0.00184143 Jy ! Total flux subtracted in 200 components = 0.00184143 Jy ! Clean residual min=-0.002526 max=0.003733 Jy/beam ! Clean residual mean=0.000146 rms=0.000924 Jy/beam ! Combined flux in latest and established models = 0.33102 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 82 components and 0.33102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274262Jy sigma=0.001235 ! Fit after self-cal, rms=0.274233Jy sigma=0.001235 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 = 0.000579437 Jy ! Component: 100 - total flux cleaned = 0.000670981 Jy ! Component: 150 - total flux cleaned = 0.000690977 Jy ! Component: 200 - total flux cleaned = 0.000710042 Jy ! Total flux subtracted in 200 components = 0.000710042 Jy ! Clean residual min=-0.002540 max=0.003761 Jy/beam ! Clean residual mean=0.000131 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.33173 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 89 components and 0.33173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274239Jy sigma=0.001235 ! Fit after self-cal, rms=0.274241Jy sigma=0.001235 ! 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=2.364 mas, bmaj=3.773 mas, bpa=-7.099 degrees ! Estimated noise=454.067 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.364 x 3.773 at -7.099 degrees (North through East) ! Clean map min=-0.0023173 max=0.26586 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=1.956 mas, bmaj=2.886 mas, bpa=-5.521 degrees ! Estimated noise=1128.45 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.204206 Jy ! Component: 100 - total flux cleaned = 0.266053 Jy ! Component: 150 - total flux cleaned = 0.292483 Jy ! Component: 200 - total flux cleaned = 0.305411 Jy ! Total flux subtracted in 200 components = 0.305411 Jy ! Clean residual min=-0.005537 max=0.007487 Jy/beam ! Clean residual mean=0.000029 rms=0.001656 Jy/beam ! Combined flux in latest and established models = 0.305411 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 0.305411 Jy ! Inverting map and beam ! Estimated beam: bmin=2.364 mas, bmaj=3.773 mas, bpa=-7.099 degrees ! Estimated noise=454.067 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) ! Added new window around map position (-2, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00889572 Jy ! Component: 100 - total flux cleaned = 0.0142407 Jy ! Component: 150 - total flux cleaned = 0.0181912 Jy ! Component: 200 - total flux cleaned = 0.0204062 Jy ! Total flux subtracted in 200 components = 0.0204062 Jy ! Clean residual min=-0.002837 max=0.003116 Jy/beam ! Clean residual mean=0.000113 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 0.325817 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 35 components and 0.325817 Jy ! Inverting map ! Added new window around map position (-10.5, 20.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00245664 Jy ! Component: 100 - total flux cleaned = 0.00363195 Jy ! Component: 150 - total flux cleaned = 0.00455617 Jy ! Component: 200 - total flux cleaned = 0.00536022 Jy ! Total flux subtracted in 200 components = 0.00536022 Jy ! Clean residual min=-0.002702 max=0.002467 Jy/beam ! Clean residual mean=0.000070 rms=0.000613 Jy/beam ! Combined flux in latest and established models = 0.331178 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 54 components and 0.331178 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=8.941 mas, bmaj=9.273 mas, bpa=56.69 degrees ! Estimated noise=557.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00226166 Jy ! Component: 100 - total flux cleaned = 0.00302067 Jy ! Component: 150 - total flux cleaned = 0.00339685 Jy ! Component: 200 - total flux cleaned = 0.00353236 Jy ! Total flux subtracted in 200 components = 0.00353236 Jy ! Clean residual min=-0.002111 max=0.002610 Jy/beam ! Clean residual mean=0.000088 rms=0.000769 Jy/beam ! Combined flux in latest and established models = 0.33471 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 = 0.000147598 Jy ! Component: 100 - total flux cleaned = 0.000250159 Jy ! Component: 150 - total flux cleaned = 0.000340693 Jy ! Component: 200 - total flux cleaned = 0.000360692 Jy ! Total flux subtracted in 200 components = 0.000360692 Jy ! Clean residual min=-0.002084 max=0.002542 Jy/beam ! Clean residual mean=0.000076 rms=0.000744 Jy/beam ! Combined flux in latest and established models = 0.335071 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 84 components and 0.335071 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.364 mas, bmaj=3.773 mas, bpa=-7.099 degrees ! Estimated noise=454.067 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00013894 Jy ! Component: 100 - total flux cleaned = -6.94094e-05 Jy ! Component: 150 - total flux cleaned = -0.000163112 Jy ! Component: 200 - total flux cleaned = -0.000161908 Jy ! Total flux subtracted in 200 components = -0.000161908 Jy ! Clean residual min=-0.002394 max=0.002375 Jy/beam ! Clean residual mean=0.000035 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.334909 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 96 components and 0.334909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274218Jy sigma=0.001235 ! Fit after self-cal, rms=0.274211Jy sigma=0.001235 wmodel J1931+2243_S_2008_04_02_pus_map.mod ! Writing 96 model components to file: J1931+2243_S_2008_04_02_pus_map.mod wobs J1931+2243_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1931+2243_S_2008_04_02_pus_uvs.fits wwins J1931+2243_S_2008_04_02_pus_map.win ! wwins: Wrote 5 windows to J1931+2243_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 = -4.72311e-05 Jy ! Component: 100 - total flux cleaned = 0.000150694 Jy ! Component: 150 - total flux cleaned = 0.000298639 Jy ! Component: 200 - total flux cleaned = 0.000440974 Jy ! Component: 250 - total flux cleaned = 0.00057883 Jy ! Component: 300 - total flux cleaned = 0.000777957 Jy ! Component: 350 - total flux cleaned = 0.000971687 Jy ! Component: 400 - total flux cleaned = 0.00119227 Jy ! Component: 450 - total flux cleaned = 0.00140711 Jy ! Component: 500 - total flux cleaned = 0.00155699 Jy ! Component: 550 - total flux cleaned = 0.00170417 Jy ! Component: 600 - total flux cleaned = 0.00181913 Jy ! Component: 650 - total flux cleaned = 0.00187614 Jy ! Component: 700 - total flux cleaned = 0.00198772 Jy ! Component: 750 - total flux cleaned = 0.00204262 Jy ! Component: 800 - total flux cleaned = 0.00201606 Jy ! Component: 850 - total flux cleaned = 0.00215013 Jy ! Component: 900 - total flux cleaned = 0.00212343 Jy ! Component: 950 - total flux cleaned = 0.00204493 Jy ! Component: 1000 - total flux cleaned = 0.00201939 Jy ! Component: 1050 - total flux cleaned = 0.00207066 Jy ! Component: 1100 - total flux cleaned = 0.00207059 Jy ! Component: 1150 - total flux cleaned = 0.0021208 Jy ! Component: 1200 - total flux cleaned = 0.00214553 Jy ! Component: 1250 - total flux cleaned = 0.00212096 Jy ! Component: 1300 - total flux cleaned = 0.00214563 Jy ! Component: 1350 - total flux cleaned = 0.00216985 Jy ! Component: 1400 - total flux cleaned = 0.00231407 Jy ! Component: 1450 - total flux cleaned = 0.00224239 Jy ! Component: 1500 - total flux cleaned = 0.00224253 Jy ! Component: 1550 - total flux cleaned = 0.00231323 Jy ! Component: 1600 - total flux cleaned = 0.0024066 Jy ! Component: 1650 - total flux cleaned = 0.00242985 Jy ! Component: 1700 - total flux cleaned = 0.00247599 Jy ! Component: 1750 - total flux cleaned = 0.00256707 Jy ! Component: 1800 - total flux cleaned = 0.00263487 Jy ! Component: 1850 - total flux cleaned = 0.00265726 Jy ! Component: 1900 - total flux cleaned = 0.0027687 Jy ! Component: 1950 - total flux cleaned = 0.00272464 Jy ! Component: 2000 - total flux cleaned = 0.00281263 Jy ! Total flux subtracted in 2048 components = 0.0029216 Jy ! Clean residual min=-0.001823 max=0.001495 Jy/beam ! Clean residual mean=0.000008 rms=0.000391 Jy/beam ! Combined flux in latest and established models = 0.33783 Jy keep ! Adding 134 model components to the UV plane model. ! The established model now contains 230 components and 0.33783 Jy wmap "J1931+2243_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.364 x 3.773 at -7.099 degrees (North through East) ! Clean map min=-0.002127 max=0.26749 Jy/beam ! Writing clean map to FITS file: J1931+2243_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 0.267494 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000390552 device "J1931+2243_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1931+2243_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.438012 0.438012 0.876025 1.75205 3.5041 7.0082 14.0164 28.0328 56.0656 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.267 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.364 x 3.773 at -7.099 degrees (North through East) ! Clean map min=-0.002127 max=0.26749 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1931+2243_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1931+2243_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1931+2243_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:44:06 2010