! Started logfile: J0154+4743_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:15:47 2010 obs J0154+4743_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0154+4743_X_2008_07_09_pus_uva.fits ! AN table 1: 39 integrations on 105 of 105 possible baselines. ! AN table 2: 39 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.220269 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0154+4743 ! ! 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 1142 lines of history. ! ! Reading 7216 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 = 256 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 = 256x256 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 398 telescope corrections were flagged in sub-array 1. ! A total of 415 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 398 telescope corrections were flagged in sub-array 1. ! A total of 415 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 398 telescope corrections were flagged in sub-array 1. ! A total of 415 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 398 telescope corrections were flagged in sub-array 1. ! A total of 415 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.658223Jy sigma=0.005029 ! Fit after self-cal, rms=0.550467Jy sigma=0.004251 ! 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 4.07% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.5527 mas, bmaj=0.8985 mas, bpa=4.688 degrees ! Estimated noise=1609.21 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 = 0.37946 Jy ! Component: 100 - total flux cleaned = 0.464675 Jy ! Total flux subtracted in 100 components = 0.464675 Jy ! Clean residual min=-0.013581 max=0.029868 Jy/beam ! Clean residual mean=0.000225 rms=0.004156 Jy/beam ! Combined flux in latest and established models = 0.464675 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.464675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206869Jy sigma=0.001411 ! Fit after self-cal, rms=0.206876Jy sigma=0.001411 ! Inverting map ! Your choice of large map pixels excluded 4.07% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0313557 Jy ! Component: 100 - total flux cleaned = 0.0481731 Jy ! Total flux subtracted in 100 components = 0.0481731 Jy ! Clean residual min=-0.011254 max=0.012837 Jy/beam ! Clean residual mean=-0.000027 rms=0.003214 Jy/beam ! Combined flux in latest and established models = 0.512848 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 0.512848 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202238Jy sigma=0.001353 ! Fit after self-cal, rms=0.202273Jy sigma=0.001353 ! Inverting map ! Your choice of large map pixels excluded 4.07% of the data. ! The x-axis pixel size should ideally be below 0.18 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 4.07% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.6343 mas, bmaj=1.012 mas, bpa=4.889 degrees ! Estimated noise=1098.32 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 = 0.0137296 Jy ! Component: 100 - total flux cleaned = 0.0210422 Jy ! Component: 150 - total flux cleaned = 0.0254678 Jy ! Component: 200 - total flux cleaned = 0.0282047 Jy ! Total flux subtracted in 200 components = 0.0282047 Jy ! Clean residual min=-0.009810 max=0.011796 Jy/beam ! Clean residual mean=-0.000744 rms=0.002779 Jy/beam ! Combined flux in latest and established models = 0.541053 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.541053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201537Jy sigma=0.001342 ! Fit after self-cal, rms=0.201531Jy sigma=0.001342 ! Inverting map ! Your choice of large map pixels excluded 4.07% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.96 HH 1.00* HN 1.10 ! KK 1.11 KP 1.00 LA 0.96 MK 0.98 ! NL 0.96 NY 1.07 ON 0.81 PT 0.96 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.05 HH 1.00* HN 1.05 ! KK 1.00* KP 1.06 LA 1.04 MK 1.00* ! NL 1.01 NY 0.99 ON 1.08 PT 1.05 ! SC 1.00 WZ 1.01 ZC 0.94 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.94 HH 1.00* HN 0.99 ! KK 1.13 KP 0.91 LA 0.95 MK 0.99 ! NL 0.94 NY 1.10 ON 0.86 PT 0.95 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.02 HH 1.00* HN 0.97 ! KK 1.00* KP 1.04 LA 0.99 MK 1.00* ! NL 1.00 NY 1.03 ON 1.00 PT 1.06 ! SC 1.01 WZ 1.03 ZC 0.97 ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HH 1.00* HN 0.96 ! KK 1.07 KP 0.97 LA 0.96 MK 0.99 ! NL 0.97 NY 1.05 ON 0.82 PT 0.96 ! SC 1.02 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.06 HH 1.00* HN 0.96 ! KK 1.00* KP 1.05 LA 1.04 MK 1.00* ! NL 1.02 NY 1.00 ON 1.03 PT 1.06 ! SC 1.02 WZ 1.01 ZC 0.95 ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 HH 1.00* HN 0.96 ! KK 1.01 KP 0.95 LA 0.95 MK 1.03 ! NL 0.96 NY 1.12 ON 1.15 PT 1.01 ! SC 1.05 WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.06 HH 1.00* HN 0.97 ! KK 1.00* KP 1.07 LA 1.06 MK 1.00* ! NL 0.97 NY 1.02 ON 0.97 PT 1.10 ! SC 1.06 WZ 0.98 ZC 1.01 ! ! ! Fit before self-cal, rms=0.201531Jy sigma=0.001342 ! Fit after self-cal, rms=0.195222Jy sigma=0.001308 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.6371 mas, bmaj=1.015 mas, bpa=4.507 degrees ! Estimated noise=1096.56 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 = -0.00379914 Jy ! Component: 100 - total flux cleaned = -0.0046408 Jy ! Component: 150 - total flux cleaned = -0.00507008 Jy ! Component: 200 - total flux cleaned = -0.00531788 Jy ! Total flux subtracted in 200 components = -0.00531788 Jy ! Clean residual min=-0.005446 max=0.006579 Jy/beam ! Clean residual mean=0.000141 rms=0.001473 Jy/beam ! Combined flux in latest and established models = 0.535735 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 25 components and 0.535735 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195126Jy sigma=0.001308 ! Fit after self-cal, rms=0.195169Jy sigma=0.001307 ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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=0.195169Jy sigma=0.001307 ! Fit after self-cal, rms=0.194702Jy sigma=0.001307 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.6378 mas, bmaj=1.014 mas, bpa=4.36 degrees ! Estimated noise=1093.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00246378 Jy ! Component: 100 - total flux cleaned = -0.00303397 Jy ! Component: 150 - total flux cleaned = -0.00337432 Jy ! Component: 200 - total flux cleaned = -0.00361876 Jy ! Total flux subtracted in 200 components = -0.00361876 Jy ! Clean residual min=-0.005241 max=0.006549 Jy/beam ! Clean residual mean=0.000143 rms=0.001443 Jy/beam ! Combined flux in latest and established models = 0.532116 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 25 components and 0.532116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194648Jy sigma=0.001307 ! Fit after self-cal, rms=0.194641Jy sigma=0.001307 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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) ! Added new window around map position (4.4, -7.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00270758 Jy ! Component: 100 - total flux cleaned = 0.00318019 Jy ! Component: 150 - total flux cleaned = 0.00366956 Jy ! Component: 200 - total flux cleaned = 0.00380854 Jy ! Total flux subtracted in 200 components = 0.00380854 Jy ! Clean residual min=-0.004792 max=0.005625 Jy/beam ! Clean residual mean=0.000111 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 0.535925 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 41 components and 0.535925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194424Jy sigma=0.001305 ! Fit after self-cal, rms=0.194407Jy sigma=0.001305 ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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=0.194407Jy sigma=0.001305 ! Fit after self-cal, rms=0.193814Jy sigma=0.001305 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.6383 mas, bmaj=1.013 mas, bpa=4.216 degrees ! Estimated noise=1091.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000476636 Jy ! Component: 100 - total flux cleaned = -0.000753329 Jy ! Component: 150 - total flux cleaned = -0.000932926 Jy ! Component: 200 - total flux cleaned = -0.0010985 Jy ! Total flux subtracted in 200 components = -0.0010985 Jy ! Clean residual min=-0.004630 max=0.005557 Jy/beam ! Clean residual mean=0.000103 rms=0.001312 Jy/beam ! Combined flux in latest and established models = 0.534826 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 46 components and 0.534826 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193757Jy sigma=0.001305 ! Fit after self-cal, rms=0.193749Jy sigma=0.001305 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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 = 0.000184136 Jy ! Component: 100 - total flux cleaned = 3.17634e-05 Jy ! Component: 150 - total flux cleaned = -6.25728e-05 Jy ! Component: 200 - total flux cleaned = -0.000106182 Jy ! Total flux subtracted in 200 components = -0.000106182 Jy ! Clean residual min=-0.004585 max=0.005434 Jy/beam ! Clean residual mean=0.000107 rms=0.001303 Jy/beam ! Combined flux in latest and established models = 0.53472 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 53 components and 0.53472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193720Jy sigma=0.001304 ! Fit after self-cal, rms=0.193719Jy sigma=0.001304 ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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=0.193719Jy sigma=0.001304 ! Fit after self-cal, rms=0.193343Jy sigma=0.001304 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=2.176 mas, bmaj=2.509 mas, bpa=39.45 degrees ! Estimated noise=1631.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000232553 Jy ! Component: 100 - total flux cleaned = -0.000300295 Jy ! Component: 150 - total flux cleaned = -0.00030497 Jy ! Component: 200 - total flux cleaned = -0.000307727 Jy ! Total flux subtracted in 200 components = -0.000307727 Jy ! Clean residual min=-0.005141 max=0.006742 Jy/beam ! Clean residual mean=0.000289 rms=0.001773 Jy/beam ! Combined flux in latest and established models = 0.534412 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 58 components and 0.534412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193351Jy sigma=0.001305 ! Fit after self-cal, rms=0.193344Jy sigma=0.001305 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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 = -4.09122e-05 Jy ! Component: 100 - total flux cleaned = -0.000127297 Jy ! Component: 150 - total flux cleaned = -0.000160604 Jy ! Component: 200 - total flux cleaned = -0.000191185 Jy ! Total flux subtracted in 200 components = -0.000191185 Jy ! Clean residual min=-0.004990 max=0.006613 Jy/beam ! Clean residual mean=0.000297 rms=0.001752 Jy/beam ! Combined flux in latest and established models = 0.534221 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 60 components and 0.534221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193359Jy sigma=0.001305 ! Fit after self-cal, rms=0.193355Jy sigma=0.001305 ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.6386 mas, bmaj=1.013 mas, bpa=4.148 degrees ! Estimated noise=1089.11 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6386 x 1.013 at 4.148 degrees (North through East) ! Clean map min=-0.0048512 max=0.48649 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 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.5548 mas, bmaj=0.8996 mas, bpa=3.739 degrees ! Estimated noise=1592.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.375245 Jy ! Component: 100 - total flux cleaned = 0.459553 Jy ! Component: 150 - total flux cleaned = 0.490738 Jy ! Component: 200 - total flux cleaned = 0.504686 Jy ! Total flux subtracted in 200 components = 0.504686 Jy ! Clean residual min=-0.008464 max=0.008529 Jy/beam ! Clean residual mean=0.000153 rms=0.002290 Jy/beam ! Combined flux in latest and established models = 0.504686 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.504686 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.6386 mas, bmaj=1.013 mas, bpa=4.148 degrees ! Estimated noise=1089.11 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 = 0.0126156 Jy ! Component: 100 - total flux cleaned = 0.0191489 Jy ! Component: 150 - total flux cleaned = 0.0218805 Jy ! Component: 200 - total flux cleaned = 0.0241763 Jy ! Total flux subtracted in 200 components = 0.0241763 Jy ! Clean residual min=-0.005103 max=0.006317 Jy/beam ! Clean residual mean=0.000169 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 0.528863 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.528863 Jy ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Added new window around map position (0, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00592832 Jy ! Component: 100 - total flux cleaned = 0.00644313 Jy ! Component: 150 - total flux cleaned = 0.00707896 Jy ! Component: 200 - total flux cleaned = 0.00754486 Jy ! Total flux subtracted in 200 components = 0.00754486 Jy ! Clean residual min=-0.004711 max=0.004933 Jy/beam ! Clean residual mean=0.000043 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.536408 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 35 components and 0.536407 Jy ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 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 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=2.176 mas, bmaj=2.509 mas, bpa=39.45 degrees ! Estimated noise=1631.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00209127 Jy ! Component: 100 - total flux cleaned = 0.00228935 Jy ! Component: 150 - total flux cleaned = 0.00223082 Jy ! Component: 200 - total flux cleaned = 0.00222918 Jy ! Total flux subtracted in 200 components = 0.00222918 Jy ! Clean residual min=-0.004785 max=0.004945 Jy/beam ! Clean residual mean=0.000020 rms=0.001550 Jy/beam ! Combined flux in latest and established models = 0.538637 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 = -4.69576e-05 Jy ! Component: 100 - total flux cleaned = -8.93778e-05 Jy ! Component: 150 - total flux cleaned = -0.000128075 Jy ! Component: 200 - total flux cleaned = -0.000127997 Jy ! Total flux subtracted in 200 components = -0.000127997 Jy ! Clean residual min=-0.004523 max=0.004942 Jy/beam ! Clean residual mean=0.000029 rms=0.001523 Jy/beam ! Combined flux in latest and established models = 0.538509 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 53 components and 0.538509 Jy ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! Estimated beam: bmin=0.6386 mas, bmaj=1.013 mas, bpa=4.148 degrees ! Estimated noise=1089.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000429457 Jy ! Component: 100 - total flux cleaned = -0.000651822 Jy ! Component: 150 - total flux cleaned = -0.000861211 Jy ! Component: 200 - total flux cleaned = -0.00105344 Jy ! Total flux subtracted in 200 components = -0.00105344 Jy ! Clean residual min=-0.004274 max=0.004947 Jy/beam ! Clean residual mean=0.000024 rms=0.001186 Jy/beam ! Combined flux in latest and established models = 0.537455 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 63 components and 0.537455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193191Jy sigma=0.001303 ! Fit after self-cal, rms=0.193161Jy sigma=0.001303 wmodel J0154+4743_X_2008_07_09_pus_map.mod ! Writing 63 model components to file: J0154+4743_X_2008_07_09_pus_map.mod wobs J0154+4743_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0154+4743_X_2008_07_09_pus_uvs.fits wwins J0154+4743_X_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J0154+4743_X_2008_07_09_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 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00097945 Jy ! Component: 100 - total flux cleaned = 0.00090486 Jy ! Component: 150 - total flux cleaned = 0.000681917 Jy ! Component: 200 - total flux cleaned = 0.000682332 Jy ! Component: 250 - total flux cleaned = 0.000543769 Jy ! Component: 300 - total flux cleaned = 0.000611602 Jy ! Component: 350 - total flux cleaned = 0.000742486 Jy ! Component: 400 - total flux cleaned = 0.00080586 Jy ! Component: 450 - total flux cleaned = 0.000930812 Jy ! Component: 500 - total flux cleaned = 0.000993126 Jy ! Component: 550 - total flux cleaned = 0.00123582 Jy ! Component: 600 - total flux cleaned = 0.00129442 Jy ! Component: 650 - total flux cleaned = 0.00135239 Jy ! Component: 700 - total flux cleaned = 0.00129552 Jy ! Component: 750 - total flux cleaned = 0.00135191 Jy ! Component: 800 - total flux cleaned = 0.00129669 Jy ! Component: 850 - total flux cleaned = 0.00129705 Jy ! Component: 900 - total flux cleaned = 0.00135041 Jy ! Component: 950 - total flux cleaned = 0.00145548 Jy ! Component: 1000 - total flux cleaned = 0.0014037 Jy ! Total flux subtracted in 1024 components = 0.00135236 Jy ! Clean residual min=-0.002834 max=0.003170 Jy/beam ! Clean residual mean=0.000014 rms=0.000931 Jy/beam ! Combined flux in latest and established models = 0.538808 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 123 components and 0.538808 Jy wmap "J0154+4743_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6386 x 1.013 at 4.148 degrees (North through East) ! Clean map min=-0.0043211 max=0.48707 Jy/beam ! Writing clean map to FITS file: J0154+4743_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.487066 invert ! Inverting map ! Your choice of large map pixels excluded 3.88% of the data. ! The x-axis pixel size should ideally be below 0.18 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000927097 device "J0154+4743_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0154+4743_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.57103 0.57103 1.14206 2.28412 4.56824 9.13648 18.273 36.5459 73.0918 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.487 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6386 x 1.013 at 4.148 degrees (North through East) ! Clean map min=-0.0043211 max=0.48707 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0154+4743_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0154+4743_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0154+4743_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:15:49 2010