! Started logfile: J2321+3204_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:41:11 2011 obs J2321+3204_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J2321+3204_X_2009_04_21_pus_uva.fits ! AN table 1: 315 integrations on 120 of 120 possible baselines. ! AN table 2: 105 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.175099 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2321+3204 ! ! 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 2445 lines of history. ! ! Reading 35300 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 ![@muppet J2321+3204_X_2009_04_21_pus] 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 3805 telescope corrections were flagged in sub-array 1. ! A total of 1136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3805 telescope corrections were flagged in sub-array 1. ! A total of 1136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3805 telescope corrections were flagged in sub-array 1. ! A total of 1136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3805 telescope corrections were flagged in sub-array 1. ! A total of 1136 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.810427Jy sigma=0.009743 ! Fit after self-cal, rms=0.594422Jy sigma=0.007016 ! 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 6.72% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.5003 mas, bmaj=0.9865 mas, bpa=-6.582 degrees ! Estimated noise=621.244 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 = 0.327555 Jy ! Component: 100 - total flux cleaned = 0.403037 Jy ! Total flux subtracted in 100 components = 0.403037 Jy ! Clean residual min=-0.011323 max=0.029273 Jy/beam ! Clean residual mean=-0.000218 rms=0.003352 Jy/beam ! Combined flux in latest and established models = 0.403037 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.403037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172268Jy sigma=0.001932 ! Fit after self-cal, rms=0.172260Jy sigma=0.001932 ! Inverting map ! Your choice of large map pixels excluded 6.72% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0350496 Jy ! Component: 100 - total flux cleaned = 0.0576042 Jy ! Total flux subtracted in 100 components = 0.0576042 Jy ! Clean residual min=-0.008664 max=0.011993 Jy/beam ! Clean residual mean=-0.000250 rms=0.002556 Jy/beam ! Combined flux in latest and established models = 0.460641 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 15 components and 0.460641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163418Jy sigma=0.001797 ! Fit after self-cal, rms=0.163398Jy sigma=0.001796 ! Inverting map ! Your choice of large map pixels excluded 6.72% of the data. ! The x-axis pixel size should ideally be below 0.156 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 6.72% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.5884 mas, bmaj=1.147 mas, bpa=-3.659 degrees ! Estimated noise=360.448 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 = 0.0202449 Jy ! Component: 100 - total flux cleaned = 0.0307039 Jy ! Component: 150 - total flux cleaned = 0.036309 Jy ! Component: 200 - total flux cleaned = 0.0393382 Jy ! Total flux subtracted in 200 components = 0.0393382 Jy ! Clean residual min=-0.008817 max=0.008918 Jy/beam ! Clean residual mean=-0.001655 rms=0.002046 Jy/beam ! Combined flux in latest and established models = 0.499979 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 0.499979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161754Jy sigma=0.001763 ! Fit after self-cal, rms=0.161756Jy sigma=0.001762 ! Inverting map ! Your choice of large map pixels excluded 6.72% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 180 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.03 KB 0.93 ! KK 1.03 KP 1.00 LA 1.01 MK 0.99 ! NL 0.98 NY 0.99 OV 1.03 PT 0.99 ! SC 0.98 TS 0.88 WZ 0.98 ZC 1.03 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.95 HN 0.96 KB 2.60 ! KK 1.00* KP 0.97 LA 0.93 MK 0.96 ! NL 0.98 NY 0.97 OV 0.95 PT 0.98 ! SC 1.07 TS 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 180 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 1.02 KB 0.93 ! KK 0.98 KP 1.00 LA 1.02 MK 0.99 ! NL 0.96 NY 1.02 OV 0.99 PT 1.01 ! SC 1.01 TS 0.99 WZ 0.95 ZC 1.03 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.96 HN 0.98 KB 2.50 ! KK 1.00* KP 0.97 LA 0.95 MK 0.96 ! NL 0.97 NY 1.02 OV 0.93 PT 0.97 ! SC 1.09 TS 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 180 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 1.03 KB 0.93 ! KK 1.01 KP 1.01 LA 1.01 MK 1.03 ! NL 0.99 NY 1.01 OV 1.03 PT 0.99 ! SC 1.04 TS 0.96 WZ 0.91 ZC 1.04 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.96 HN 1.02 KB 0.90 ! KK 1.00* KP 0.96 LA 0.92 MK 0.98 ! NL 1.00 NY 1.07 OV 0.94 PT 0.97 ! SC 1.10 TS 1.02 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 180 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 1.03 KB 0.93 ! KK 0.97 KP 1.00 LA 1.02 MK 1.01 ! NL 1.01 NY 1.01 OV 1.03 PT 1.00 ! SC 1.03 TS 0.96 WZ 0.93 ZC 1.05 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 HN 1.01 KB 0.88 ! KK 1.00* KP 0.97 LA 0.93 MK 1.00 ! NL 1.01 NY 1.04 OV 0.91 PT 0.97 ! SC 1.11 TS 1.03 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.161756Jy sigma=0.001762 ! Fit after self-cal, rms=0.157944Jy sigma=0.001586 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.603 mas, bmaj=1.158 mas, bpa=-4.907 degrees ! Estimated noise=365.149 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 = -0.00679285 Jy ! Component: 100 - total flux cleaned = -0.00738453 Jy ! Component: 150 - total flux cleaned = -0.00760358 Jy ! Component: 200 - total flux cleaned = -0.00770012 Jy ! Total flux subtracted in 200 components = -0.00770012 Jy ! Clean residual min=-0.004363 max=0.002785 Jy/beam ! Clean residual mean=-0.000418 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.492279 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 31 components and 0.492279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157616Jy sigma=0.001581 ! Fit after self-cal, rms=0.157708Jy sigma=0.001580 ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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=0.157708Jy sigma=0.001580 ! Fit after self-cal, rms=0.156976Jy sigma=0.001575 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.606 mas, bmaj=1.162 mas, bpa=-4.883 degrees ! Estimated noise=364.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00407623 Jy ! Component: 100 - total flux cleaned = -0.00491838 Jy ! Component: 150 - total flux cleaned = -0.00528267 Jy ! Component: 200 - total flux cleaned = -0.00546516 Jy ! Total flux subtracted in 200 components = -0.00546516 Jy ! Clean residual min=-0.002983 max=0.002687 Jy/beam ! Clean residual mean=-0.000259 rms=0.000620 Jy/beam ! Combined flux in latest and established models = 0.486814 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 31 components and 0.486814 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156854Jy sigma=0.001573 ! Fit after self-cal, rms=0.156854Jy sigma=0.001573 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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 = -0.000177986 Jy ! Component: 100 - total flux cleaned = -0.000223692 Jy ! Component: 150 - total flux cleaned = -0.000343326 Jy ! Component: 200 - total flux cleaned = -0.000377118 Jy ! Total flux subtracted in 200 components = -0.000377118 Jy ! Clean residual min=-0.002875 max=0.002695 Jy/beam ! Clean residual mean=-0.000259 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.486437 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 32 components and 0.486437 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156828Jy sigma=0.001572 ! Fit after self-cal, rms=0.156829Jy sigma=0.001572 ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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=0.156829Jy sigma=0.001572 ! Fit after self-cal, rms=0.156853Jy sigma=0.001571 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.6083 mas, bmaj=1.165 mas, bpa=-4.97 degrees ! Estimated noise=364.074 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00258801 Jy ! Component: 100 - total flux cleaned = -0.0032593 Jy ! Component: 150 - total flux cleaned = -0.00349026 Jy ! Component: 200 - total flux cleaned = -0.00356846 Jy ! Total flux subtracted in 200 components = -0.00356846 Jy ! Clean residual min=-0.002495 max=0.002621 Jy/beam ! Clean residual mean=-0.000155 rms=0.000584 Jy/beam ! Combined flux in latest and established models = 0.482868 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 32 components and 0.482868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156802Jy sigma=0.001571 ! Fit after self-cal, rms=0.156804Jy sigma=0.001571 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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 (-6.6, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000804972 Jy ! Component: 100 - total flux cleaned = 0.00111984 Jy ! Component: 150 - total flux cleaned = 0.00107018 Jy ! Component: 200 - total flux cleaned = 0.000982239 Jy ! Total flux subtracted in 200 components = 0.000982239 Jy ! Clean residual min=-0.002424 max=0.002404 Jy/beam ! Clean residual mean=-0.000159 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.48385 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 47 components and 0.48385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156766Jy sigma=0.001570 ! Fit after self-cal, rms=0.156762Jy sigma=0.001570 ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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=0.156762Jy sigma=0.001570 ! Fit after self-cal, rms=0.156684Jy sigma=0.001570 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=2.344 mas, bmaj=2.659 mas, bpa=-2.283 degrees ! Estimated noise=501.285 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00136103 Jy ! Component: 100 - total flux cleaned = -0.00158311 Jy ! Component: 150 - total flux cleaned = -0.00167043 Jy ! Component: 200 - total flux cleaned = -0.00171674 Jy ! Total flux subtracted in 200 components = -0.00171674 Jy ! Clean residual min=-0.002753 max=0.002379 Jy/beam ! Clean residual mean=-0.000325 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 0.482134 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 0.482134 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156676Jy sigma=0.001570 ! Fit after self-cal, rms=0.156679Jy sigma=0.001570 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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 = -0.000109255 Jy ! Component: 100 - total flux cleaned = -0.000138142 Jy ! Component: 150 - total flux cleaned = -0.000151208 Jy ! Component: 200 - total flux cleaned = -0.000163637 Jy ! Total flux subtracted in 200 components = -0.000163637 Jy ! Clean residual min=-0.002759 max=0.002384 Jy/beam ! Clean residual mean=-0.000324 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.48197 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 57 components and 0.48197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156679Jy sigma=0.001569 ! Fit after self-cal, rms=0.156678Jy sigma=0.001569 ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.6094 mas, bmaj=1.167 mas, bpa=-5.016 degrees ! Estimated noise=363.564 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6094 x 1.167 at -5.016 degrees (North through East) ! Clean map min=-0.0023417 max=0.43132 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 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.5125 mas, bmaj=0.9981 mas, bpa=-7.7 degrees ! Estimated noise=623.279 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.329797 Jy ! Component: 100 - total flux cleaned = 0.402441 Jy ! Component: 150 - total flux cleaned = 0.43019 Jy ! Component: 200 - total flux cleaned = 0.447534 Jy ! Total flux subtracted in 200 components = 0.447534 Jy ! Clean residual min=-0.005075 max=0.009160 Jy/beam ! Clean residual mean=-0.000018 rms=0.001291 Jy/beam ! Combined flux in latest and established models = 0.447534 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.447534 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.6094 mas, bmaj=1.167 mas, bpa=-5.016 degrees ! Estimated noise=363.564 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 = 0.0164602 Jy ! Component: 100 - total flux cleaned = 0.0248589 Jy ! Component: 150 - total flux cleaned = 0.0292942 Jy ! Component: 200 - total flux cleaned = 0.0317149 Jy ! Total flux subtracted in 200 components = 0.0317149 Jy ! Clean residual min=-0.002513 max=0.002283 Jy/beam ! Clean residual mean=-0.000099 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.479249 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 29 components and 0.479249 Jy ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 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 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=2.344 mas, bmaj=2.659 mas, bpa=-2.283 degrees ! Estimated noise=501.285 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231867 Jy ! Component: 100 - total flux cleaned = 0.00258239 Jy ! Component: 150 - total flux cleaned = 0.0028158 Jy ! Component: 200 - total flux cleaned = 0.00296767 Jy ! Total flux subtracted in 200 components = 0.00296767 Jy ! Clean residual min=-0.002762 max=0.002350 Jy/beam ! Clean residual mean=-0.000327 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.482216 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 = 4.067e-05 Jy ! Component: 100 - total flux cleaned = 5.77701e-05 Jy ! Component: 150 - total flux cleaned = 4.29911e-05 Jy ! Component: 200 - total flux cleaned = 2.86184e-05 Jy ! Total flux subtracted in 200 components = 2.86184e-05 Jy ! Clean residual min=-0.002756 max=0.002367 Jy/beam ! Clean residual mean=-0.000328 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.482245 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 50 components and 0.482245 Jy ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! Estimated beam: bmin=0.6094 mas, bmaj=1.167 mas, bpa=-5.016 degrees ! Estimated noise=363.564 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00040939 Jy ! Component: 100 - total flux cleaned = 0.000512464 Jy ! Component: 150 - total flux cleaned = 0.000691939 Jy ! Component: 200 - total flux cleaned = 0.000772334 Jy ! Total flux subtracted in 200 components = 0.000772334 Jy ! Clean residual min=-0.002284 max=0.002331 Jy/beam ! Clean residual mean=-0.000113 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.483017 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 62 components and 0.483017 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156666Jy sigma=0.001569 ! Fit after self-cal, rms=0.156659Jy sigma=0.001569 wmodel J2321+3204_X_2009_04_21_pus_map.mod ! Writing 62 model components to file: J2321+3204_X_2009_04_21_pus_map.mod wobs J2321+3204_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J2321+3204_X_2009_04_21_pus_uvs.fits wwins J2321+3204_X_2009_04_21_pus_map.win ! wwins: Wrote 2 windows to J2321+3204_X_2009_04_21_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 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000469485 Jy ! Component: 100 - total flux cleaned = -0.00106189 Jy ! Component: 150 - total flux cleaned = -0.00158983 Jy ! Component: 200 - total flux cleaned = -0.00177132 Jy ! Component: 250 - total flux cleaned = -0.00201835 Jy ! Component: 300 - total flux cleaned = -0.00229382 Jy ! Component: 350 - total flux cleaned = -0.00249625 Jy ! Component: 400 - total flux cleaned = -0.00279488 Jy ! Component: 450 - total flux cleaned = -0.00315288 Jy ! Component: 500 - total flux cleaned = -0.00347282 Jy ! Component: 550 - total flux cleaned = -0.00385045 Jy ! Component: 600 - total flux cleaned = -0.00409845 Jy ! Component: 650 - total flux cleaned = -0.00437376 Jy ! Component: 700 - total flux cleaned = -0.00464587 Jy ! Component: 750 - total flux cleaned = -0.00491453 Jy ! Component: 800 - total flux cleaned = -0.00523819 Jy ! Component: 850 - total flux cleaned = -0.00549979 Jy ! Component: 900 - total flux cleaned = -0.00575845 Jy ! Component: 950 - total flux cleaned = -0.00601465 Jy ! Component: 1000 - total flux cleaned = -0.00624002 Jy ! Component: 1050 - total flux cleaned = -0.00654695 Jy ! Component: 1100 - total flux cleaned = -0.00682298 Jy ! Component: 1150 - total flux cleaned = -0.00704178 Jy ! Component: 1200 - total flux cleaned = -0.00725843 Jy ! Component: 1250 - total flux cleaned = -0.00750011 Jy ! Component: 1300 - total flux cleaned = -0.00779267 Jy ! Component: 1350 - total flux cleaned = -0.00797706 Jy ! Component: 1400 - total flux cleaned = -0.00821238 Jy ! Component: 1450 - total flux cleaned = -0.00839376 Jy ! Component: 1500 - total flux cleaned = -0.00862505 Jy ! Component: 1550 - total flux cleaned = -0.0088033 Jy ! Component: 1600 - total flux cleaned = -0.00898025 Jy ! Component: 1650 - total flux cleaned = -0.00910576 Jy ! Component: 1700 - total flux cleaned = -0.00930539 Jy ! Component: 1750 - total flux cleaned = -0.00940438 Jy ! Component: 1800 - total flux cleaned = -0.00957662 Jy ! Component: 1850 - total flux cleaned = -0.0096742 Jy ! Component: 1900 - total flux cleaned = -0.00977101 Jy ! Component: 1950 - total flux cleaned = -0.0098913 Jy ! Component: 2000 - total flux cleaned = -0.010011 Jy ! Total flux subtracted in 2048 components = -0.010106 Jy ! Clean residual min=-0.001263 max=0.001344 Jy/beam ! Clean residual mean=-0.000056 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.472911 Jy keep ! Adding 174 model components to the UV plane model. ! The established model now contains 236 components and 0.472911 Jy ![Exited script file: muppet] wmap "J2321+3204_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6094 x 1.167 at -5.016 degrees (North through East) ! Clean map min=-0.0021474 max=0.43164 Jy/beam ! Writing clean map to FITS file: J2321+3204_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.431639 invert ! Inverting map ! Your choice of large map pixels excluded 6.62% of the data. ! The x-axis pixel size should ideally be below 0.156 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000420509 device "J2321+3204_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J2321+3204_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.292264 0.292264 0.584528 1.16906 2.33811 4.67622 9.35245 18.7049 37.4098 74.8196 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.431 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6094 x 1.167 at -5.016 degrees (North through East) ! Clean map min=-0.0021474 max=0.43164 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2321+3204_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J2321+3204_X_2009_04_21_pus_map.gif/vgif' mapplot cln