! Started logfile: J2225-0457_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:36:22 2010 obs J2225-0457_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2225-0457_X_2008_07_09_pus_uva.fits ! AN table 1: 75 integrations on 105 of 105 possible baselines. ! AN table 2: 44 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.167667 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2225-0457 ! ! 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 1146 lines of history. ! ! Reading 8380 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 818 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 817 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 781 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 784 telescope corrections were flagged in sub-array 1. ! A total of 392 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=3.296496Jy sigma=0.027082 ! Fit after self-cal, rms=3.286092Jy sigma=0.027094 ! 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 1.05% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.541 mas, bmaj=1.76 mas, bpa=-12.05 degrees ! Estimated noise=1602.26 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.16839 Jy ! Component: 100 - total flux cleaned = 3.95589 Jy ! Total flux subtracted in 100 components = 3.95589 Jy ! Clean residual min=-0.093969 max=0.337880 Jy/beam ! Clean residual mean=0.002883 rms=0.038306 Jy/beam ! Combined flux in latest and established models = 3.95589 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 3.95589 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.760713Jy sigma=0.006409 ! Fit after self-cal, rms=0.758647Jy sigma=0.006403 ! Inverting map ! Your choice of large map pixels excluded 1.05% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.372309 Jy ! Component: 100 - total flux cleaned = 0.558586 Jy ! Total flux subtracted in 100 components = 0.558586 Jy ! Clean residual min=-0.062457 max=0.136106 Jy/beam ! Clean residual mean=0.001703 rms=0.021326 Jy/beam ! Combined flux in latest and established models = 4.51447 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 4.51447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.512474Jy sigma=0.003992 ! Fit after self-cal, rms=0.509480Jy sigma=0.003978 ! Inverting map ! Your choice of large map pixels excluded 1.05% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Added new window around map position (1.6, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.132208 Jy ! Component: 100 - total flux cleaned = 0.220794 Jy ! Total flux subtracted in 100 components = 0.220794 Jy ! Clean residual min=-0.062289 max=0.080267 Jy/beam ! Clean residual mean=0.001244 rms=0.017526 Jy/beam ! Combined flux in latest and established models = 4.73527 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 24 components and 4.73527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.455604Jy sigma=0.003404 ! Fit after self-cal, rms=0.452759Jy sigma=0.003383 ! Inverting map ! Your choice of large map pixels excluded 1.05% of the data. ! The x-axis pixel size should ideally be below 0.196 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 1.05% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6557 mas, bmaj=2.032 mas, bpa=-11.01 degrees ! Estimated noise=1077.67 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 = 0.132079 Jy ! Component: 100 - total flux cleaned = 0.215056 Jy ! Component: 150 - total flux cleaned = 0.272811 Jy ! Component: 200 - total flux cleaned = 0.314153 Jy ! Total flux subtracted in 200 components = 0.314153 Jy ! Clean residual min=-0.049661 max=0.072233 Jy/beam ! Clean residual mean=0.000620 rms=0.017549 Jy/beam ! Combined flux in latest and established models = 5.04942 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 45 components and 5.04942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.418029Jy sigma=0.002913 ! Fit after self-cal, rms=0.415600Jy sigma=0.002891 ! Inverting map ! Your choice of large map pixels excluded 1.05% of the data. ! The x-axis pixel size should ideally be below 0.196 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 0.98 FD 1.00 HH 1.00* HN 1.14 ! KK 1.00* KP 1.05 LA 1.01 MK 1.00* ! NL 1.05 NY 1.11 ON 1.05 PT 1.03 ! SC 0.95 WZ 1.01 ZC 1.05 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.99 HH 1.00* HN 1.08 ! KK 1.09 KP 0.99 LA 0.96 MK 0.98 ! NL 0.98 NY 1.00* ON 1.00* PT 0.95 ! SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HH 1.00* HN 1.05 ! KK 1.00* KP 1.00 LA 1.00 MK 1.00* ! NL 1.03 NY 1.16 ON 1.05 PT 1.03 ! SC 0.95 WZ 1.01 ZC 1.03 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 HH 1.00* HN 0.99 ! KK 1.08 KP 0.94 LA 0.95 MK 0.97 ! NL 0.97 NY 1.00* ON 1.00* PT 0.96 ! SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HH 1.00* HN 1.03 ! KK 1.00* KP 1.02 LA 1.02 MK 1.00* ! NL 1.05 NY 1.12 ON 1.03 PT 1.02 ! SC 0.98 WZ 1.00 ZC 1.02 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 HH 1.00* HN 0.98 ! KK 1.05 KP 0.97 LA 0.97 MK 0.98 ! NL 0.97 NY 1.00* ON 1.00* PT 0.95 ! SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HH 1.00* HN 1.03 ! KK 1.00* KP 1.02 LA 1.01 MK 1.00* ! NL 1.04 NY 1.17 ON 1.03 PT 1.05 ! SC 0.98 WZ 0.99 ZC 1.02 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.97 HH 1.00* HN 0.97 ! KK 1.02 KP 0.96 LA 0.96 MK 1.00 ! NL 0.97 NY 1.00* ON 1.00* PT 0.98 ! SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.415600Jy sigma=0.002891 ! Fit after self-cal, rms=0.332995Jy sigma=0.002038 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6536 mas, bmaj=2.02 mas, bpa=-11.13 degrees ! Estimated noise=1086.28 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 (3.4, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0532805 Jy ! Component: 100 - total flux cleaned = 0.0645846 Jy ! Component: 150 - total flux cleaned = 0.0680656 Jy ! Component: 200 - total flux cleaned = 0.0702163 Jy ! Total flux subtracted in 200 components = 0.0702163 Jy ! Clean residual min=-0.026734 max=0.033973 Jy/beam ! Clean residual mean=-0.000330 rms=0.007865 Jy/beam ! Combined flux in latest and established models = 5.11964 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 5.11964 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323222Jy sigma=0.001939 ! Fit after self-cal, rms=0.322720Jy sigma=0.001933 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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=0.322720Jy sigma=0.001933 ! Fit after self-cal, rms=0.291885Jy sigma=0.001845 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6547 mas, bmaj=2.016 mas, bpa=-11.14 degrees ! Estimated noise=1086.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00484772 Jy ! Component: 100 - total flux cleaned = 0.00626817 Jy ! Component: 150 - total flux cleaned = 0.00867274 Jy ! Component: 200 - total flux cleaned = 0.0112463 Jy ! Total flux subtracted in 200 components = 0.0112463 Jy ! Clean residual min=-0.019403 max=0.029517 Jy/beam ! Clean residual mean=-0.000117 rms=0.005752 Jy/beam ! Combined flux in latest and established models = 5.13088 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 80 components and 5.13088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.288593Jy sigma=0.001815 ! Fit after self-cal, rms=0.288257Jy sigma=0.001813 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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 (0.8, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.014332 Jy ! Component: 100 - total flux cleaned = 0.00756344 Jy ! Component: 150 - total flux cleaned = 0.00474997 Jy ! Component: 200 - total flux cleaned = 0.00375707 Jy ! Total flux subtracted in 200 components = 0.00375707 Jy ! Clean residual min=-0.018679 max=0.020976 Jy/beam ! Clean residual mean=-0.000129 rms=0.005223 Jy/beam ! Combined flux in latest and established models = 5.13464 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 90 components and 5.13464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284099Jy sigma=0.001778 ! Fit after self-cal, rms=0.283705Jy sigma=0.001775 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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=0.283705Jy sigma=0.001775 ! Fit after self-cal, rms=0.250921Jy sigma=0.001638 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6551 mas, bmaj=2.014 mas, bpa=-11.11 degrees ! Estimated noise=1085.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00245369 Jy ! Component: 100 - total flux cleaned = -0.00355336 Jy ! Component: 150 - total flux cleaned = -0.00446957 Jy ! Component: 200 - total flux cleaned = -0.0052954 Jy ! Total flux subtracted in 200 components = -0.0052954 Jy ! Clean residual min=-0.012229 max=0.014736 Jy/beam ! Clean residual mean=-0.000076 rms=0.003742 Jy/beam ! Combined flux in latest and established models = 5.12934 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 101 components and 5.12934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248769Jy sigma=0.001618 ! Fit after self-cal, rms=0.248626Jy sigma=0.001617 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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 = -0.000155121 Jy ! Component: 100 - total flux cleaned = -0.000512441 Jy ! Component: 150 - total flux cleaned = -0.000843683 Jy ! Component: 200 - total flux cleaned = -0.000849793 Jy ! Total flux subtracted in 200 components = -0.000849793 Jy ! Clean residual min=-0.011609 max=0.013796 Jy/beam ! Clean residual mean=-0.000059 rms=0.003565 Jy/beam ! Combined flux in latest and established models = 5.12849 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 113 components and 5.12849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247621Jy sigma=0.001609 ! Fit after self-cal, rms=0.247575Jy sigma=0.001609 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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=0.247575Jy sigma=0.001609 ! Fit after self-cal, rms=0.246523Jy sigma=0.001604 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=2.123 mas, bmaj=3.125 mas, bpa=-4.068 degrees ! Estimated noise=1502.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000667392 Jy ! Component: 100 - total flux cleaned = -0.00274447 Jy ! Component: 150 - total flux cleaned = -0.0036793 Jy ! Component: 200 - total flux cleaned = -0.00418058 Jy ! Total flux subtracted in 200 components = -0.00418058 Jy ! Clean residual min=-0.012757 max=0.015079 Jy/beam ! Clean residual mean=-0.000217 rms=0.005406 Jy/beam ! Combined flux in latest and established models = 5.12431 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 131 components and 5.12431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246253Jy sigma=0.001601 ! Fit after self-cal, rms=0.246127Jy sigma=0.001600 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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 = 0.000674719 Jy ! Component: 100 - total flux cleaned = 0.000477233 Jy ! Component: 150 - total flux cleaned = 0.000300016 Jy ! Component: 200 - total flux cleaned = -2.5828e-06 Jy ! Total flux subtracted in 200 components = -2.5828e-06 Jy ! Clean residual min=-0.013042 max=0.014703 Jy/beam ! Clean residual mean=-0.000187 rms=0.005322 Jy/beam ! Combined flux in latest and established models = 5.12431 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 142 components and 5.12431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246130Jy sigma=0.001600 ! Fit after self-cal, rms=0.246109Jy sigma=0.001600 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6557 mas, bmaj=2.013 mas, bpa=-11.08 degrees ! Estimated noise=1084.85 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6557 x 2.013 at -11.08 degrees (North through East) ! Clean map min=-0.012243 max=4.169 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246109Jy sigma=0.001600 ! Fit after self-cal, rms=0.197520Jy sigma=0.001227 ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6561 mas, bmaj=2.015 mas, bpa=-11.08 degrees ! Estimated noise=1084.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000858988 Jy ! Component: 100 - total flux cleaned = -0.00279567 Jy ! Component: 150 - total flux cleaned = -0.00314558 Jy ! Component: 200 - total flux cleaned = -0.00286425 Jy ! Total flux subtracted in 200 components = -0.00286425 Jy ! Clean residual min=-0.010180 max=0.012347 Jy/beam ! Clean residual mean=0.000061 rms=0.003065 Jy/beam ! Combined flux in latest and established models = 5.12145 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 152 components and 5.12145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195999Jy sigma=0.001215 ! Fit after self-cal, rms=0.195927Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000473343 Jy ! Component: 100 - total flux cleaned = 0.000737787 Jy ! Component: 150 - total flux cleaned = 0.0014607 Jy ! Component: 200 - total flux cleaned = 0.00190811 Jy ! Total flux subtracted in 200 components = 0.00190811 Jy ! Clean residual min=-0.009559 max=0.012081 Jy/beam ! Clean residual mean=0.000049 rms=0.002945 Jy/beam ! Combined flux in latest and established models = 5.12335 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 161 components and 5.12335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195156Jy sigma=0.001208 ! Fit after self-cal, rms=0.195119Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195119Jy sigma=0.001208 ! Fit after self-cal, rms=0.194718Jy sigma=0.001205 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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.5432 mas, bmaj=1.777 mas, bpa=-12.13 degrees ! Estimated noise=1445.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.17564 Jy ! Component: 100 - total flux cleaned = 3.95264 Jy ! Component: 150 - total flux cleaned = 4.31334 Jy ! Component: 200 - total flux cleaned = 4.50353 Jy ! Total flux subtracted in 200 components = 4.50353 Jy ! Clean residual min=-0.041829 max=0.094463 Jy/beam ! Clean residual mean=0.001113 rms=0.014457 Jy/beam ! Combined flux in latest and established models = 4.50353 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 4.50353 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6566 mas, bmaj=2.014 mas, bpa=-11.06 degrees ! Estimated noise=1084.31 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 = 0.185427 Jy ! Component: 100 - total flux cleaned = 0.299868 Jy ! Component: 150 - total flux cleaned = 0.377113 Jy ! Component: 200 - total flux cleaned = 0.432673 Jy ! Total flux subtracted in 200 components = 0.432673 Jy ! Clean residual min=-0.017960 max=0.031589 Jy/beam ! Clean residual mean=0.001027 rms=0.008714 Jy/beam ! Combined flux in latest and established models = 4.9362 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 47 components and 4.9362 Jy ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=2.123 mas, bmaj=3.126 mas, bpa=-4.077 degrees ! Estimated noise=1500.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0828336 Jy ! Component: 100 - total flux cleaned = 0.124449 Jy ! Component: 150 - total flux cleaned = 0.148234 Jy ! Component: 200 - total flux cleaned = 0.162742 Jy ! Total flux subtracted in 200 components = 0.162742 Jy ! Clean residual min=-0.014286 max=0.016133 Jy/beam ! Clean residual mean=0.000293 rms=0.005659 Jy/beam ! Combined flux in latest and established models = 5.09894 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 = 0.00914086 Jy ! Component: 100 - total flux cleaned = 0.0122465 Jy ! Component: 150 - total flux cleaned = 0.0139305 Jy ! Component: 200 - total flux cleaned = 0.0151941 Jy ! Total flux subtracted in 200 components = 0.0151941 Jy ! Clean residual min=-0.013156 max=0.013570 Jy/beam ! Clean residual mean=0.000067 rms=0.004895 Jy/beam ! Combined flux in latest and established models = 5.11414 Jy ! Adding 95 model components to the UV plane model. ! The established model now contains 130 components and 5.11414 Jy ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6566 mas, bmaj=2.014 mas, bpa=-11.06 degrees ! Estimated noise=1084.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000928852 Jy ! Component: 100 - total flux cleaned = -0.000532583 Jy ! Component: 150 - total flux cleaned = -0.000197305 Jy ! Component: 200 - total flux cleaned = 9.06833e-05 Jy ! Total flux subtracted in 200 components = 9.06833e-05 Jy ! Clean residual min=-0.010050 max=0.010163 Jy/beam ! Clean residual mean=0.000055 rms=0.002792 Jy/beam ! Combined flux in latest and established models = 5.11423 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 144 components and 5.11423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193172Jy sigma=0.001199 ! Fit after self-cal, rms=0.192501Jy sigma=0.001192 wmodel J2225-0457_X_2008_07_09_pus_map.mod ! Writing 144 model components to file: J2225-0457_X_2008_07_09_pus_map.mod wobs J2225-0457_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2225-0457_X_2008_07_09_pus_uvs.fits wwins J2225-0457_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J2225-0457_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 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00353171 Jy ! Component: 100 - total flux cleaned = 0.0063455 Jy ! Component: 150 - total flux cleaned = 0.00788926 Jy ! Component: 200 - total flux cleaned = 0.00877262 Jy ! Component: 250 - total flux cleaned = 0.00933723 Jy ! Component: 300 - total flux cleaned = 0.00987911 Jy ! Component: 350 - total flux cleaned = 0.0111964 Jy ! Component: 400 - total flux cleaned = 0.0120947 Jy ! Component: 450 - total flux cleaned = 0.0129727 Jy ! Component: 500 - total flux cleaned = 0.013707 Jy ! Component: 550 - total flux cleaned = 0.0145375 Jy ! Component: 600 - total flux cleaned = 0.0151148 Jy ! Component: 650 - total flux cleaned = 0.0152277 Jy ! Component: 700 - total flux cleaned = 0.0160031 Jy ! Component: 750 - total flux cleaned = 0.0163254 Jy ! Component: 800 - total flux cleaned = 0.0163233 Jy ! Component: 850 - total flux cleaned = 0.0166353 Jy ! Component: 900 - total flux cleaned = 0.0169401 Jy ! Component: 950 - total flux cleaned = 0.0171396 Jy ! Component: 1000 - total flux cleaned = 0.017434 Jy ! Total flux subtracted in 1024 components = 0.0173362 Jy ! Clean residual min=-0.006175 max=0.005273 Jy/beam ! Clean residual mean=-0.000091 rms=0.001966 Jy/beam ! Combined flux in latest and established models = 5.13156 Jy keep ! Adding 67 model components to the UV plane model. ! The established model now contains 210 components and 5.13156 Jy wmap "J2225-0457_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6566 x 2.014 at -11.06 degrees (North through East) ! Clean map min=-0.0080722 max=4.1823 Jy/beam ! Writing clean map to FITS file: J2225-0457_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 4.18234 invert ! Inverting map ! Your choice of large map pixels excluded 1.09% of the data. ! The x-axis pixel size should ideally be below 0.196 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00197007 device "J2225-0457_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2225-0457_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.141313 0.141313 0.282627 0.565254 1.13051 2.26101 4.52203 9.04406 18.0881 36.1762 72.3525 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0059 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.182 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6566 x 2.014 at -11.06 degrees (North through East) ! Clean map min=-0.0080722 max=4.1823 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2225-0457_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2225-0457_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2225-0457_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:36:24 2010