! Started logfile: J2253+1608_S_2007_12_05_pus_uvs.log on Sat Sep 11 19:41:18 2010 obs J2253+1608_S_2007_12_05_pus_uva.fits ! Reading UV FITS file: J2253+1608_S_2007_12_05_pus_uva.fits ! AN table 1: 42 integrations on 136 of 136 possible baselines. ! AN table 2: 39 integrations on 136 of 136 possible baselines. ! AN table 3: 154 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.116302 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2253+1608 ! ! 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 1682 lines of history. ! ! Reading 14868 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 512 telescope corrections were flagged in sub-array 1. ! A total of 550 telescope corrections were flagged in sub-array 2. ! A total of 1670 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 512 telescope corrections were flagged in sub-array 1. ! A total of 550 telescope corrections were flagged in sub-array 2. ! A total of 1670 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 512 telescope corrections were flagged in sub-array 1. ! A total of 550 telescope corrections were flagged in sub-array 2. ! A total of 1670 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 512 telescope corrections were flagged in sub-array 1. ! A total of 559 telescope corrections were flagged in sub-array 2. ! A total of 1788 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=5.104435Jy sigma=0.040011 ! Fit after self-cal, rms=4.856255Jy sigma=0.037061 ! 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=2.316 mas, bmaj=2.376 mas, bpa=48.9 degrees ! Estimated noise=1734.24 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 = 3.30005 Jy ! Component: 100 - total flux cleaned = 4.88917 Jy ! Total flux subtracted in 100 components = 4.88917 Jy ! Clean residual min=-0.315567 max=1.258021 Jy/beam ! Clean residual mean=0.019901 rms=0.117889 Jy/beam ! Combined flux in latest and established models = 4.88917 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 25 components and 4.88917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.709129Jy sigma=0.020402 ! Fit after self-cal, rms=2.698427Jy sigma=0.020348 ! Inverting map ! Added new window around map position (-4.5, 1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.29528 Jy ! Component: 100 - total flux cleaned = 2.08759 Jy ! Total flux subtracted in 100 components = 2.08759 Jy ! Clean residual min=-0.201965 max=0.646040 Jy/beam ! Clean residual mean=0.009878 rms=0.074409 Jy/beam ! Combined flux in latest and established models = 6.97676 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 49 components and 6.97676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.778599Jy sigma=0.013441 ! Fit after self-cal, rms=1.716330Jy sigma=0.013030 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.650586 Jy ! Component: 100 - total flux cleaned = 1.08022 Jy ! Total flux subtracted in 100 components = 1.08022 Jy ! Clean residual min=-0.166707 max=0.386309 Jy/beam ! Clean residual mean=0.004679 rms=0.053301 Jy/beam ! Combined flux in latest and established models = 8.05698 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 8.05698 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.340308Jy sigma=0.010443 ! Fit after self-cal, rms=1.320435Jy sigma=0.010320 ! Inverting map ! Added new window around map position (-7, 5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.42826 Jy ! Component: 100 - total flux cleaned = 0.712127 Jy ! Total flux subtracted in 100 components = 0.712127 Jy ! Clean residual min=-0.146026 max=0.268416 Jy/beam ! Clean residual mean=0.001364 rms=0.041968 Jy/beam ! Combined flux in latest and established models = 8.76911 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 82 components and 8.76911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.122354Jy sigma=0.009076 ! Fit after self-cal, rms=1.106902Jy sigma=0.008966 ! 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=2.668 mas, bmaj=3.169 mas, bpa=29.57 degrees ! Estimated noise=943.205 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 = 0.321602 Jy ! Component: 100 - total flux cleaned = 0.501438 Jy ! Component: 150 - total flux cleaned = 0.619182 Jy ! Component: 200 - total flux cleaned = 0.697845 Jy ! Total flux subtracted in 200 components = 0.697845 Jy ! Clean residual min=-0.155911 max=0.150573 Jy/beam ! Clean residual mean=-0.005022 rms=0.046261 Jy/beam ! Combined flux in latest and established models = 9.46695 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 98 components and 9.46695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.987455Jy sigma=0.008472 ! Fit after self-cal, rms=0.972079Jy sigma=0.008380 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.10 HH 1.00* HN 1.10 ! KB 1.00* KP 0.99 LA 1.00* MK 1.00* ! NL 0.89 NY 1.14 ON 1.10 OV 0.96 ! PT 1.52 SV 1.00* TS 1.00* WZ 1.04 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.05 HN 1.06 ! KB 0.95 KP 1.00* LA 1.00* MK 1.00* ! NL 0.94 NY 1.08 ON 1.80 OV 1.00* ! PT 1.00* SV 1.02 TS 0.97 WZ 0.86 ! ZC 0.98 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 1.09 HH 1.06 HN 1.00* ! KB 1.01 KP 0.91 LA 0.94 MK 1.00* ! NL 1.04 NY 0.98 ON 1.01 OV 0.91 ! PT 0.96 SV 1.02 TS 1.02 WZ 0.93 ! ZC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 HH 1.00* HN 1.10 ! KB 1.00* KP 1.08 LA 1.00* MK 1.00* ! NL 0.91 NY 1.17 ON 1.08 OV 1.01 ! PT 1.51 SV 1.00* TS 1.00* WZ 0.93 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.99 HN 1.06 ! KB 1.02 KP 1.00* LA 1.00* MK 1.00* ! NL 0.97 NY 1.10 ON 1.03 OV 1.00* ! PT 1.00* SV 1.00 TS 0.95 WZ 0.85 ! ZC 0.99 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.00 HH 1.05 HN 1.00* ! KB 1.08 KP 0.92 LA 1.03 MK 1.00* ! NL 1.08 NY 0.99 ON 0.94 OV 0.94 ! PT 0.97 SV 1.03 TS 1.01 WZ 0.89 ! ZC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 HH 1.00* HN 1.11 ! KB 1.00* KP 1.09 LA 1.00* MK 1.00* ! NL 0.98 NY 1.00 ON 1.08 OV 1.05 ! PT 1.05 SV 1.00* TS 1.00* WZ 0.99 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.97 HN 1.02 ! KB 1.01 KP 1.00* LA 1.00* MK 1.00* ! NL 1.06 NY 1.03 ON 1.07 OV 1.00* ! PT 1.00* SV 0.87 TS 0.87 WZ 0.92 ! ZC 0.97 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 1.00 HH 0.95 HN 1.00* ! KB 1.03 KP 0.84 LA 0.96 MK 1.00* ! NL 1.14 NY 0.93 ON 0.94 OV 1.00 ! PT 1.02 SV 0.93 TS 0.98 WZ 0.96 ! ZC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 HH 1.00* HN 1.12 ! KB 1.00* KP 1.00 LA 1.00* MK 1.00* ! NL 0.90 NY 1.00 ON 1.09 OV 1.03 ! PT 0.93 SV 1.00* TS 1.00* WZ 0.98 ! ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.95 HN 1.05 ! KB 1.03 KP 1.00* LA 1.00* MK 1.00* ! NL 0.96 NY 1.01 ON 0.99 OV 1.00* ! PT 1.00* SV 1.00* TS 0.98 WZ 0.95 ! ZC 1.05 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.02 HH 0.96 HN 1.00* ! KB 1.07 KP 0.79 LA 0.96 MK 1.00* ! NL 1.05 NY 0.95 ON 0.96 OV 0.97 ! PT 0.90 SV 1.00* TS 1.07 WZ 0.96 ! ZC 1.10 ! ! ! Fit before self-cal, rms=0.972079Jy sigma=0.008380 ! Fit after self-cal, rms=0.860681Jy sigma=0.006001 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.686 mas, bmaj=3.181 mas, bpa=32.92 degrees ! Estimated noise=955.276 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 = 0.0209876 Jy ! Component: 100 - total flux cleaned = 0.0264323 Jy ! Component: 150 - total flux cleaned = 0.0321178 Jy ! Component: 200 - total flux cleaned = 0.0358698 Jy ! Total flux subtracted in 200 components = 0.0358698 Jy ! Clean residual min=-0.076123 max=0.072379 Jy/beam ! Clean residual mean=-0.001504 rms=0.018874 Jy/beam ! Combined flux in latest and established models = 9.50282 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 103 components and 9.50282 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.850913Jy sigma=0.005954 ! Fit after self-cal, rms=0.850148Jy sigma=0.005942 ! 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=0.850148Jy sigma=0.005942 ! Fit after self-cal, rms=0.776107Jy sigma=0.005513 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.676 mas, bmaj=3.202 mas, bpa=31.9 degrees ! Estimated noise=950.349 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0208408 Jy ! Component: 100 - total flux cleaned = 0.0304617 Jy ! Component: 150 - total flux cleaned = 0.0343389 Jy ! Component: 200 - total flux cleaned = 0.0358394 Jy ! Total flux subtracted in 200 components = 0.0358394 Jy ! Clean residual min=-0.051868 max=0.074207 Jy/beam ! Clean residual mean=-0.001592 rms=0.013578 Jy/beam ! Combined flux in latest and established models = 9.53866 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 107 components and 9.53866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.769592Jy sigma=0.005491 ! Fit after self-cal, rms=0.769031Jy sigma=0.005482 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 (-13, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0733369 Jy ! Component: 100 - total flux cleaned = 0.090957 Jy ! Component: 150 - total flux cleaned = 0.103617 Jy ! Component: 200 - total flux cleaned = 0.10615 Jy ! Total flux subtracted in 200 components = 0.10615 Jy ! Clean residual min=-0.050632 max=0.044084 Jy/beam ! Clean residual mean=-0.003515 rms=0.012037 Jy/beam ! Combined flux in latest and established models = 9.64481 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 125 components and 9.64481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.762211Jy sigma=0.005429 ! Fit after self-cal, rms=0.759643Jy sigma=0.005419 ! 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=0.759643Jy sigma=0.005419 ! Fit after self-cal, rms=0.753620Jy sigma=0.005395 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.68 mas, bmaj=3.212 mas, bpa=31.93 degrees ! Estimated noise=948.958 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0353761 Jy ! Component: 100 - total flux cleaned = 0.0528825 Jy ! Component: 150 - total flux cleaned = 0.0616857 Jy ! Component: 200 - total flux cleaned = 0.0674565 Jy ! Total flux subtracted in 200 components = 0.0674565 Jy ! Clean residual min=-0.042530 max=0.044388 Jy/beam ! Clean residual mean=-0.001203 rms=0.010386 Jy/beam ! Combined flux in latest and established models = 9.71227 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 129 components and 9.71227 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.749728Jy sigma=0.005370 ! Fit after self-cal, rms=0.748583Jy sigma=0.005365 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 = 0.00838217 Jy ! Component: 100 - total flux cleaned = 0.0186794 Jy ! Component: 150 - total flux cleaned = 0.0228892 Jy ! Component: 200 - total flux cleaned = 0.0253053 Jy ! Total flux subtracted in 200 components = 0.0253053 Jy ! Clean residual min=-0.041529 max=0.042811 Jy/beam ! Clean residual mean=-0.001671 rms=0.009893 Jy/beam ! Combined flux in latest and established models = 9.73757 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 132 components and 9.73757 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.746366Jy sigma=0.005356 ! Fit after self-cal, rms=0.745958Jy sigma=0.005353 ! 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=0.745958Jy sigma=0.005353 ! Fit after self-cal, rms=0.743184Jy sigma=0.005347 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.554 mas, bmaj=10.71 mas, bpa=10.88 degrees ! Estimated noise=1148.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.038405 Jy ! Component: 100 - total flux cleaned = 0.0467332 Jy ! Component: 150 - total flux cleaned = 0.0529444 Jy ! Component: 200 - total flux cleaned = 0.0579983 Jy ! Total flux subtracted in 200 components = 0.0579983 Jy ! Clean residual min=-0.032621 max=0.058335 Jy/beam ! Clean residual mean=-0.002181 rms=0.012108 Jy/beam ! Combined flux in latest and established models = 9.79557 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 149 components and 9.79557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.741893Jy sigma=0.005339 ! Fit after self-cal, rms=0.741190Jy sigma=0.005334 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 (-25.5, 19). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0379854 Jy ! Component: 100 - total flux cleaned = 0.0550468 Jy ! Component: 150 - total flux cleaned = 0.069686 Jy ! Component: 200 - total flux cleaned = 0.0761965 Jy ! Total flux subtracted in 200 components = 0.0761965 Jy ! Clean residual min=-0.033970 max=0.021708 Jy/beam ! Clean residual mean=-0.005116 rms=0.009482 Jy/beam ! Combined flux in latest and established models = 9.87177 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 180 components and 9.87177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.739303Jy sigma=0.005325 ! Fit after self-cal, rms=0.739137Jy sigma=0.005323 ! 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=2.682 mas, bmaj=3.215 mas, bpa=31.63 degrees ! Estimated noise=948.149 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.682 x 3.215 at 31.63 degrees (North through East) ! Clean map min=-0.032781 max=3.7206 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=0.739137Jy sigma=0.005323 ! Fit after self-cal, rms=0.369795Jy sigma=0.001637 ! Inverting map and beam ! Estimated beam: bmin=2.692 mas, bmaj=3.233 mas, bpa=30.86 degrees ! Estimated noise=950.616 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0389905 Jy ! Component: 100 - total flux cleaned = 0.0634149 Jy ! Component: 150 - total flux cleaned = 0.0752344 Jy ! Component: 200 - total flux cleaned = 0.0787899 Jy ! Total flux subtracted in 200 components = 0.0787899 Jy ! Clean residual min=-0.029665 max=0.031909 Jy/beam ! Clean residual mean=-0.001163 rms=0.006701 Jy/beam ! Combined flux in latest and established models = 9.95056 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 212 components and 9.95055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362886Jy sigma=0.001575 ! Fit after self-cal, rms=0.362282Jy sigma=0.001572 ! Inverting map ! Added new window around map position (-3.5, 5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01405 Jy ! Component: 100 - total flux cleaned = 0.0237181 Jy ! Component: 150 - total flux cleaned = 0.0269346 Jy ! Component: 200 - total flux cleaned = 0.0291859 Jy ! Total flux subtracted in 200 components = 0.0291859 Jy ! Clean residual min=-0.028309 max=0.021783 Jy/beam ! Clean residual mean=-0.001656 rms=0.006194 Jy/beam ! Combined flux in latest and established models = 9.97974 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 235 components and 9.97974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.357349Jy sigma=0.001534 ! Fit after self-cal, rms=0.356991Jy sigma=0.001532 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356991Jy sigma=0.001532 ! Fit after self-cal, rms=0.353922Jy sigma=0.001520 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=2.319 mas, bmaj=2.441 mas, bpa=49.64 degrees ! Estimated noise=1770.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.35621 Jy ! Component: 100 - total flux cleaned = 5.17317 Jy ! Component: 150 - total flux cleaned = 6.35876 Jy ! Component: 200 - total flux cleaned = 7.16892 Jy ! Total flux subtracted in 200 components = 7.16892 Jy ! Clean residual min=-0.118259 max=0.450286 Jy/beam ! Clean residual mean=0.011670 rms=0.055010 Jy/beam ! Combined flux in latest and established models = 7.16892 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 52 model components to the UV plane model. ! The established model now contains 52 components and 7.16892 Jy ! Inverting map and beam ! Estimated beam: bmin=2.691 mas, bmaj=3.231 mas, bpa=31.06 degrees ! Estimated noise=950.046 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 = 0.818919 Jy ! Component: 100 - total flux cleaned = 1.35228 Jy ! Component: 150 - total flux cleaned = 1.71308 Jy ! Component: 200 - total flux cleaned = 1.96352 Jy ! Total flux subtracted in 200 components = 1.96352 Jy ! Clean residual min=-0.044507 max=0.143809 Jy/beam ! Clean residual mean=0.014997 rms=0.022160 Jy/beam ! Combined flux in latest and established models = 9.13244 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 111 components and 9.13245 Jy ! Inverting map ! Added new window around map position (2.5, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.179438 Jy ! Component: 100 - total flux cleaned = 0.310488 Jy ! Component: 150 - total flux cleaned = 0.409125 Jy ! Component: 200 - total flux cleaned = 0.486069 Jy ! Total flux subtracted in 200 components = 0.486069 Jy ! Clean residual min=-0.026897 max=0.049660 Jy/beam ! Clean residual mean=0.006261 rms=0.010248 Jy/beam ! Combined flux in latest and established models = 9.61851 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 150 components and 9.61851 Jy ! Inverting map ! Added new window around map position (-3, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0636567 Jy ! Component: 100 - total flux cleaned = 0.116702 Jy ! Component: 150 - total flux cleaned = 0.162193 Jy ! Component: 200 - total flux cleaned = 0.201871 Jy ! Total flux subtracted in 200 components = 0.201871 Jy ! Clean residual min=-0.022912 max=0.032717 Jy/beam ! Clean residual mean=0.002801 rms=0.007371 Jy/beam ! Combined flux in latest and established models = 9.82038 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 180 components and 9.82038 Jy ! Inverting map ! Added new window around map position (7, -35.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0365051 Jy ! Component: 100 - total flux cleaned = 0.0679038 Jy ! Component: 150 - total flux cleaned = 0.0961345 Jy ! Component: 200 - total flux cleaned = 0.117613 Jy ! Total flux subtracted in 200 components = 0.117613 Jy ! Clean residual min=-0.023562 max=0.022003 Jy/beam ! Clean residual mean=0.000804 rms=0.006161 Jy/beam ! Combined flux in latest and established models = 9.938 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 212 components and 9.938 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=8.542 mas, bmaj=10.71 mas, bpa=10.88 degrees ! Estimated noise=1147.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0303346 Jy ! Component: 100 - total flux cleaned = 0.044803 Jy ! Component: 150 - total flux cleaned = 0.0573076 Jy ! Component: 200 - total flux cleaned = 0.0642032 Jy ! Total flux subtracted in 200 components = 0.0642032 Jy ! Clean residual min=-0.017054 max=0.016286 Jy/beam ! Clean residual mean=-0.000613 rms=0.005643 Jy/beam ! Combined flux in latest and established models = 10.0022 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 = 0.00554459 Jy ! Component: 100 - total flux cleaned = 0.00950516 Jy ! Component: 150 - total flux cleaned = 0.0130708 Jy ! Component: 200 - total flux cleaned = 0.0163136 Jy ! Total flux subtracted in 200 components = 0.0163136 Jy ! Clean residual min=-0.016242 max=0.014003 Jy/beam ! Clean residual mean=-0.001241 rms=0.005052 Jy/beam ! Combined flux in latest and established models = 10.0185 Jy ! Adding 96 model components to the UV plane model. ! The established model now contains 300 components and 10.0185 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.691 mas, bmaj=3.231 mas, bpa=31.06 degrees ! Estimated noise=950.046 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00494143 Jy ! Component: 100 - total flux cleaned = 0.00858364 Jy ! Component: 150 - total flux cleaned = 0.00996416 Jy ! Component: 200 - total flux cleaned = 0.012584 Jy ! Total flux subtracted in 200 components = 0.012584 Jy ! Clean residual min=-0.022447 max=0.019953 Jy/beam ! Clean residual mean=-0.000736 rms=0.005151 Jy/beam ! Combined flux in latest and established models = 10.0311 Jy selfcal ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 333 components and 10.0311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.348198Jy sigma=0.001487 ! Fit after self-cal, rms=0.344588Jy sigma=0.001462 wmodel J2253+1608_S_2007_12_05_pus_map.mod ! Writing 333 model components to file: J2253+1608_S_2007_12_05_pus_map.mod wobs J2253+1608_S_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J2253+1608_S_2007_12_05_pus_uvs.fits wwins J2253+1608_S_2007_12_05_pus_map.win ! wwins: Wrote 9 windows to J2253+1608_S_2007_12_05_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 = -0.00634767 Jy ! Component: 100 - total flux cleaned = -0.0100327 Jy ! Component: 150 - total flux cleaned = -0.011946 Jy ! Component: 200 - total flux cleaned = -0.0128719 Jy ! Component: 250 - total flux cleaned = -0.0137712 Jy ! Component: 300 - total flux cleaned = -0.0140605 Jy ! Component: 350 - total flux cleaned = -0.0152108 Jy ! Component: 400 - total flux cleaned = -0.0163335 Jy ! Component: 450 - total flux cleaned = -0.0174313 Jy ! Component: 500 - total flux cleaned = -0.0177012 Jy ! Component: 550 - total flux cleaned = -0.0187622 Jy ! Component: 600 - total flux cleaned = -0.0195425 Jy ! Component: 650 - total flux cleaned = -0.0203117 Jy ! Component: 700 - total flux cleaned = -0.0215686 Jy ! Component: 750 - total flux cleaned = -0.022065 Jy ! Component: 800 - total flux cleaned = -0.0230431 Jy ! Component: 850 - total flux cleaned = -0.0235268 Jy ! Component: 900 - total flux cleaned = -0.02448 Jy ! Component: 950 - total flux cleaned = -0.0247173 Jy ! Component: 1000 - total flux cleaned = -0.0256508 Jy ! Component: 1050 - total flux cleaned = -0.0267994 Jy ! Component: 1100 - total flux cleaned = -0.027253 Jy ! Component: 1150 - total flux cleaned = -0.0279254 Jy ! Component: 1200 - total flux cleaned = -0.0283703 Jy ! Component: 1250 - total flux cleaned = -0.0292501 Jy ! Component: 1300 - total flux cleaned = -0.0296861 Jy ! Component: 1350 - total flux cleaned = -0.0305474 Jy ! Component: 1400 - total flux cleaned = -0.030975 Jy ! Component: 1450 - total flux cleaned = -0.0316075 Jy ! Component: 1500 - total flux cleaned = -0.0320259 Jy ! Component: 1550 - total flux cleaned = -0.03244 Jy ! Component: 1600 - total flux cleaned = -0.0330563 Jy ! Component: 1650 - total flux cleaned = -0.0334633 Jy ! Component: 1700 - total flux cleaned = -0.034068 Jy ! Component: 1750 - total flux cleaned = -0.0342683 Jy ! Component: 1800 - total flux cleaned = -0.0348632 Jy ! Component: 1850 - total flux cleaned = -0.0350606 Jy ! Component: 1900 - total flux cleaned = -0.0354505 Jy ! Component: 1950 - total flux cleaned = -0.0360316 Jy ! Component: 2000 - total flux cleaned = -0.0364142 Jy ! Total flux subtracted in 2048 components = -0.0366052 Jy ! Clean residual min=-0.009444 max=0.011633 Jy/beam ! Clean residual mean=-0.000098 rms=0.003543 Jy/beam ! Combined flux in latest and established models = 9.99449 Jy keep ! Adding 149 model components to the UV plane model. ! The established model now contains 476 components and 9.99449 Jy wmap "J2253+1608_S_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.691 x 3.231 at 31.06 degrees (North through East) ! Clean map min=-0.017146 max=3.7356 Jy/beam ! Writing clean map to FITS file: J2253+1608_S_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 3.73555 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00353953 device "J2253+1608_S_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2253+1608_S_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.284258 0.284258 0.568515 1.13703 2.27406 4.54812 9.09625 18.1925 36.385 72.77 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0106 print "peak=",int(1000*peak_flux)/1000 ! peak= 3.735 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.691 x 3.231 at 31.06 degrees (North through East) ! Clean map min=-0.017146 max=3.7356 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2253+1608_S_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2253+1608_S_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2253+1608_S_2007_12_05_pus_uvs.log closed on Sat Sep 11 19:41:25 2010