! Started logfile: J1658+3443_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:51:36 2010 obs J1658+3443_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1658+3443_X_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: 0.190437 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2284 lines of history. ! ! Reading 58228 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 0.200x0.200 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 3324 telescope corrections were flagged in sub-array 1. ! A total of 2676 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3642 telescope corrections were flagged in sub-array 1. ! A total of 2970 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3227 telescope corrections were flagged in sub-array 1. ! A total of 2676 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3399 telescope corrections were flagged in sub-array 1. ! A total of 2689 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.966553Jy sigma=0.005232 ! Fit after self-cal, rms=0.846461Jy sigma=0.004666 ! 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 ! Your choice of large map pixels excluded 6.91% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.4626 mas, bmaj=0.774 mas, bpa=26.9 degrees ! Estimated noise=1273.79 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 = 0.137743 Jy ! Component: 100 - total flux cleaned = 0.195977 Jy ! Total flux subtracted in 100 components = 0.195977 Jy ! Clean residual min=-0.013214 max=0.028104 Jy/beam ! Clean residual mean=0.000106 rms=0.003126 Jy/beam ! Combined flux in latest and established models = 0.195977 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.195977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.317055Jy sigma=0.001241 ! Fit after self-cal, rms=0.315325Jy sigma=0.001235 ! Inverting map ! Your choice of large map pixels excluded 6.91% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0381648 Jy ! Component: 100 - total flux cleaned = 0.0587076 Jy ! Total flux subtracted in 100 components = 0.0587076 Jy ! Clean residual min=-0.010017 max=0.011189 Jy/beam ! Clean residual mean=0.000033 rms=0.002369 Jy/beam ! Combined flux in latest and established models = 0.254684 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.254684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308224Jy sigma=0.001192 ! Fit after self-cal, rms=0.307644Jy sigma=0.001190 ! Inverting map ! Your choice of large map pixels excluded 6.91% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Added new window around map position (0.6, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00985032 Jy ! Component: 100 - total flux cleaned = 0.00902562 Jy ! Total flux subtracted in 100 components = 0.00902562 Jy ! Clean residual min=-0.008666 max=0.010737 Jy/beam ! Clean residual mean=0.000022 rms=0.002233 Jy/beam ! Combined flux in latest and established models = 0.26371 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.26371 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.306377Jy sigma=0.001186 ! Fit after self-cal, rms=0.306172Jy sigma=0.001185 ! Inverting map ! Your choice of large map pixels excluded 6.91% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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 ! Your choice of large map pixels excluded 6.91% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.5964 mas, bmaj=0.8566 mas, bpa=31.21 degrees ! Estimated noise=600.003 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 (2.8, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0149055 Jy ! Component: 100 - total flux cleaned = 0.0219045 Jy ! Component: 150 - total flux cleaned = 0.0241045 Jy ! Component: 200 - total flux cleaned = 0.0259927 Jy ! Total flux subtracted in 200 components = 0.0259927 Jy ! Clean residual min=-0.007535 max=0.007301 Jy/beam ! Clean residual mean=-0.000116 rms=0.001852 Jy/beam ! Combined flux in latest and established models = 0.289702 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 0.289702 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304962Jy sigma=0.001179 ! Fit after self-cal, rms=0.304551Jy sigma=0.001178 ! Inverting map ! Your choice of large map pixels excluded 6.91% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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 1.04 FD 0.99 HH 0.95 HN 1.04 ! KK 1.00* KP 1.00* LA 1.01 MK 1.00* ! NL 0.97 NY 0.90 ON 0.90 OV 1.00* ! PT 1.04 SC 1.02 WZ 0.95 ZC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.94 ON 0.87 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.01 ZC 1.11 ! ! ! Correcting IF 2. ! A total of 159 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HH 0.99 HN 1.07 ! KK 1.00* KP 1.00* LA 0.98 MK 1.00* ! NL 0.93 NY 0.84 ON 0.87 OV 1.00* ! PT 1.08 SC 1.01 WZ 1.00 ZC 1.00* ! ! A total of 162 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.90 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.80 ON 0.78 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.08 ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.06 HH 0.91 HN 1.06 ! KK 1.00* KP 1.00* LA 1.01 MK 1.00* ! NL 0.95 NY 0.90 ON 0.85 OV 1.00* ! PT 1.07 SC 1.02 WZ 0.98 ZC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.89 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.83 ON 0.85 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.04 ZC 1.07 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HH 0.85 HN 1.05 ! KK 1.00* KP 1.00* LA 1.02 MK 1.00* ! NL 0.98 NY 0.82 ON 0.90 OV 1.00* ! PT 1.06 SC 1.05 WZ 0.97 ZC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.79 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.84 ON 0.94 OV 1.00* ! PT 1.00* SC 1.00* WZ 1.10 ZC 1.01 ! ! ! Fit before self-cal, rms=0.304551Jy sigma=0.001178 ! Fit after self-cal, rms=0.263186Jy sigma=0.001173 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.5916 mas, bmaj=0.8384 mas, bpa=32.32 degrees ! Estimated noise=583.959 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 (3.8, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00650409 Jy ! Component: 100 - total flux cleaned = 0.00852028 Jy ! Component: 150 - total flux cleaned = 0.00989782 Jy ! Component: 200 - total flux cleaned = 0.0107134 Jy ! Total flux subtracted in 200 components = 0.0107134 Jy ! Clean residual min=-0.004080 max=0.004248 Jy/beam ! Clean residual mean=0.000014 rms=0.000944 Jy/beam ! Combined flux in latest and established models = 0.300416 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 41 components and 0.300416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262990Jy sigma=0.001171 ! Fit after self-cal, rms=0.261824Jy sigma=0.001170 ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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=0.261824Jy sigma=0.001170 ! Fit after self-cal, rms=0.262184Jy sigma=0.001169 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.5961 mas, bmaj=0.8345 mas, bpa=31.32 degrees ! Estimated noise=585.757 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00341721 Jy ! Component: 100 - total flux cleaned = 0.00453004 Jy ! Component: 150 - total flux cleaned = 0.00498033 Jy ! Component: 200 - total flux cleaned = 0.0054556 Jy ! Total flux subtracted in 200 components = 0.0054556 Jy ! Clean residual min=-0.003578 max=0.003432 Jy/beam ! Clean residual mean=0.000009 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.305871 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 46 components and 0.305871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262091Jy sigma=0.001168 ! Fit after self-cal, rms=0.261965Jy sigma=0.001168 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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 = 0.000864044 Jy ! Component: 100 - total flux cleaned = 0.00122508 Jy ! Component: 150 - total flux cleaned = 0.00169741 Jy ! Component: 200 - total flux cleaned = 0.00204713 Jy ! Total flux subtracted in 200 components = 0.00204713 Jy ! Clean residual min=-0.003542 max=0.003202 Jy/beam ! Clean residual mean=-0.000017 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.307919 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.307919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261898Jy sigma=0.001168 ! Fit after self-cal, rms=0.261878Jy sigma=0.001167 ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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=0.261878Jy sigma=0.001167 ! Fit after self-cal, rms=0.262062Jy sigma=0.001167 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.5953 mas, bmaj=0.8345 mas, bpa=30.97 degrees ! Estimated noise=584.302 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190997 Jy ! Component: 100 - total flux cleaned = 0.00238733 Jy ! Component: 150 - total flux cleaned = 0.00285459 Jy ! Component: 200 - total flux cleaned = 0.00309127 Jy ! Total flux subtracted in 200 components = 0.00309127 Jy ! Clean residual min=-0.003393 max=0.003197 Jy/beam ! Clean residual mean=-0.000002 rms=0.000725 Jy/beam ! Combined flux in latest and established models = 0.31101 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 51 components and 0.31101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262010Jy sigma=0.001167 ! Fit after self-cal, rms=0.262073Jy sigma=0.001167 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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 = 0.000773457 Jy ! Component: 100 - total flux cleaned = 0.000969834 Jy ! Component: 150 - total flux cleaned = 0.00114765 Jy ! Component: 200 - total flux cleaned = 0.00125644 Jy ! Total flux subtracted in 200 components = 0.00125644 Jy ! Clean residual min=-0.003455 max=0.003093 Jy/beam ! Clean residual mean=-0.000017 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 0.312266 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 55 components and 0.312266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262034Jy sigma=0.001167 ! Fit after self-cal, rms=0.262030Jy sigma=0.001167 ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.262030Jy sigma=0.001167 ! Fit after self-cal, rms=0.261994Jy sigma=0.001166 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=2.141 mas, bmaj=2.828 mas, bpa=-75.88 degrees ! Estimated noise=856.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00251855 Jy ! Component: 100 - total flux cleaned = 0.00291869 Jy ! Component: 150 - total flux cleaned = 0.00310398 Jy ! Component: 200 - total flux cleaned = 0.00313539 Jy ! Total flux subtracted in 200 components = 0.00313539 Jy ! Clean residual min=-0.004073 max=0.002907 Jy/beam ! Clean residual mean=-0.000074 rms=0.001042 Jy/beam ! Combined flux in latest and established models = 0.315402 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 66 components and 0.315402 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261983Jy sigma=0.001166 ! Fit after self-cal, rms=0.262020Jy sigma=0.001166 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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 = 0.000475564 Jy ! Component: 100 - total flux cleaned = 0.000407621 Jy ! Component: 150 - total flux cleaned = 0.000379419 Jy ! Component: 200 - total flux cleaned = 0.000353526 Jy ! Total flux subtracted in 200 components = 0.000353526 Jy ! Clean residual min=-0.004108 max=0.002835 Jy/beam ! Clean residual mean=-0.000090 rms=0.001030 Jy/beam ! Combined flux in latest and established models = 0.315755 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 67 components and 0.315755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262024Jy sigma=0.001166 ! Fit after self-cal, rms=0.262017Jy sigma=0.001166 ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec 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 ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.5946 mas, bmaj=0.8344 mas, bpa=30.92 degrees ! Estimated noise=583.744 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5946 x 0.8344 at 30.92 degrees (North through East) ! Clean map min=-0.0025822 max=0.18462 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 ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.4648 mas, bmaj=0.7591 mas, bpa=26.37 degrees ! Estimated noise=1216.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.132437 Jy ! Component: 100 - total flux cleaned = 0.197493 Jy ! Component: 150 - total flux cleaned = 0.232456 Jy ! Component: 200 - total flux cleaned = 0.252855 Jy ! Total flux subtracted in 200 components = 0.252855 Jy ! Clean residual min=-0.009982 max=0.010983 Jy/beam ! Clean residual mean=0.000067 rms=0.002157 Jy/beam ! Combined flux in latest and established models = 0.252855 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 0.252855 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.5946 mas, bmaj=0.8344 mas, bpa=30.92 degrees ! Estimated noise=583.744 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 = 0.0213404 Jy ! Component: 100 - total flux cleaned = 0.0348077 Jy ! Component: 150 - total flux cleaned = 0.0426121 Jy ! Component: 200 - total flux cleaned = 0.0451305 Jy ! Total flux subtracted in 200 components = 0.0451305 Jy ! Clean residual min=-0.005206 max=0.005917 Jy/beam ! Clean residual mean=0.000199 rms=0.001129 Jy/beam ! Combined flux in latest and established models = 0.297986 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 35 components and 0.297986 Jy ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Added new window around map position (5, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00293468 Jy ! Component: 100 - total flux cleaned = 0.00483748 Jy ! Component: 150 - total flux cleaned = 0.00629405 Jy ! Component: 200 - total flux cleaned = 0.0074036 Jy ! Total flux subtracted in 200 components = 0.0074036 Jy ! Clean residual min=-0.003781 max=0.003706 Jy/beam ! Clean residual mean=0.000106 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 0.305389 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 48 components and 0.305389 Jy ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=2.141 mas, bmaj=2.828 mas, bpa=-75.88 degrees ! Estimated noise=856.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00656008 Jy ! Component: 100 - total flux cleaned = 0.00877819 Jy ! Component: 150 - total flux cleaned = 0.00926691 Jy ! Component: 200 - total flux cleaned = 0.0096327 Jy ! Total flux subtracted in 200 components = 0.0096327 Jy ! Clean residual min=-0.004229 max=0.003132 Jy/beam ! Clean residual mean=-0.000056 rms=0.001037 Jy/beam ! Combined flux in latest and established models = 0.315022 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 = 0.000201736 Jy ! Component: 100 - total flux cleaned = 0.000169202 Jy ! Component: 150 - total flux cleaned = 0.000202197 Jy ! Component: 200 - total flux cleaned = 0.000171726 Jy ! Total flux subtracted in 200 components = 0.000171726 Jy ! Clean residual min=-0.004213 max=0.003092 Jy/beam ! Clean residual mean=-0.000064 rms=0.001036 Jy/beam ! Combined flux in latest and established models = 0.315194 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 75 components and 0.315194 Jy ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! Estimated beam: bmin=0.5946 mas, bmaj=0.8344 mas, bpa=30.92 degrees ! Estimated noise=583.744 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00156691 Jy ! Component: 100 - total flux cleaned = -0.00183245 Jy ! Component: 150 - total flux cleaned = -0.00160424 Jy ! Component: 200 - total flux cleaned = -0.00150335 Jy ! Total flux subtracted in 200 components = -0.00150335 Jy ! Clean residual min=-0.003446 max=0.003122 Jy/beam ! Clean residual mean=0.000002 rms=0.000715 Jy/beam ! Combined flux in latest and established models = 0.31369 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 76 components and 0.31369 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262102Jy sigma=0.001167 ! Fit after self-cal, rms=0.262155Jy sigma=0.001166 wmodel J1658+3443_X_2008_04_02_pus_map.mod ! Writing 76 model components to file: J1658+3443_X_2008_04_02_pus_map.mod wobs J1658+3443_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1658+3443_X_2008_04_02_pus_uvs.fits wwins J1658+3443_X_2008_04_02_pus_map.win ! wwins: Wrote 5 windows to J1658+3443_X_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 ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000371321 Jy ! Component: 100 - total flux cleaned = -0.000732375 Jy ! Component: 150 - total flux cleaned = -0.00068577 Jy ! Component: 200 - total flux cleaned = -0.000545697 Jy ! Component: 250 - total flux cleaned = -0.000454427 Jy ! Component: 300 - total flux cleaned = -0.000320774 Jy ! Component: 350 - total flux cleaned = -0.000277529 Jy ! Component: 400 - total flux cleaned = -0.000234452 Jy ! Component: 450 - total flux cleaned = -0.000149929 Jy ! Component: 500 - total flux cleaned = -2.61911e-05 Jy ! Component: 550 - total flux cleaned = 5.46889e-05 Jy ! Component: 600 - total flux cleaned = 5.47436e-05 Jy ! Component: 650 - total flux cleaned = 0.000133912 Jy ! Component: 700 - total flux cleaned = 9.49584e-05 Jy ! Component: 750 - total flux cleaned = 0.000171871 Jy ! Component: 800 - total flux cleaned = 0.000134278 Jy ! Component: 850 - total flux cleaned = 0.000134483 Jy ! Component: 900 - total flux cleaned = 0.000172167 Jy ! Component: 950 - total flux cleaned = 0.000208824 Jy ! Component: 1000 - total flux cleaned = 0.000245509 Jy ! Component: 1050 - total flux cleaned = 0.000209435 Jy ! Component: 1100 - total flux cleaned = 0.000209514 Jy ! Component: 1150 - total flux cleaned = 0.000244705 Jy ! Component: 1200 - total flux cleaned = 0.000244881 Jy ! Component: 1250 - total flux cleaned = 0.000314182 Jy ! Component: 1300 - total flux cleaned = 0.000279652 Jy ! Component: 1350 - total flux cleaned = 0.000313391 Jy ! Component: 1400 - total flux cleaned = 0.000245788 Jy ! Component: 1450 - total flux cleaned = 0.000346238 Jy ! Component: 1500 - total flux cleaned = 0.000279734 Jy ! Component: 1550 - total flux cleaned = 0.000214118 Jy ! Component: 1600 - total flux cleaned = 0.000247278 Jy ! Component: 1650 - total flux cleaned = 0.000312009 Jy ! Component: 1700 - total flux cleaned = 0.000215506 Jy ! Component: 1750 - total flux cleaned = 0.000279443 Jy ! Component: 1800 - total flux cleaned = 0.000279602 Jy ! Component: 1850 - total flux cleaned = 0.000373695 Jy ! Component: 1900 - total flux cleaned = 0.00037349 Jy ! Component: 1950 - total flux cleaned = 0.000218706 Jy ! Component: 2000 - total flux cleaned = 0.000280247 Jy ! Total flux subtracted in 2048 components = 0.000249497 Jy ! Clean residual min=-0.001867 max=0.001799 Jy/beam ! Clean residual mean=-0.000000 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.31394 Jy keep ! Adding 153 model components to the UV plane model. ! The established model now contains 228 components and 0.31394 Jy wmap "J1658+3443_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5946 x 0.8344 at 30.92 degrees (North through East) ! Clean map min=-0.0024565 max=0.1832 Jy/beam ! Writing clean map to FITS file: J1658+3443_X_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 0.1832 invert ! Inverting map ! Your choice of large map pixels excluded 6.95% of the data. ! The x-axis pixel size should ideally be below 0.199 milli-arcsec ! The y-axis pixel size should ideally be below 0.1684 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000513424 device "J1658+3443_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1658+3443_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.840761 0.840761 1.68152 3.36304 6.72609 13.4522 26.9044 53.8087 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.183 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5946 x 0.8344 at 30.92 degrees (North through East) ! Clean map min=-0.0024565 max=0.1832 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1658+3443_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1658+3443_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1658+3443_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:51:48 2010