! Started logfile: J0238+1636_X_2003_06_18_pus_uvs.log on Wed Jan 17 16:15:32 2007 obs J0238+1636_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0238+1636_X_2003_06_18_pus_uva.fits ! AN table 1: 53 integrations on 153 of 153 possible baselines. ! AN table 2: Unused. ! AN table 3: Unused. ! AN table 4: Unused. ! AN table 5: Unused. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.342706 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0238+1636 ! ! 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 2231 lines of history. ! ! Reading 11116 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 757 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 757 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 757 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 757 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.998196Jy sigma=0.016098 ! Fit after self-cal, rms=0.251730Jy sigma=0.003667 ! 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.6057 mas, bmaj=1.54 mas, bpa=-7.876 degrees ! Estimated noise=998.088 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 = 0.842945 Jy ! Component: 100 - total flux cleaned = 1.05169 Jy ! Total flux subtracted in 100 components = 1.05169 Jy ! Clean residual min=-0.036329 max=0.079606 Jy/beam ! Clean residual mean=-0.001206 rms=0.014193 Jy/beam ! Combined flux in latest and established models = 1.05169 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.05169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220777Jy sigma=0.003057 ! Fit after self-cal, rms=0.220329Jy sigma=0.003050 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0821696 Jy ! Component: 100 - total flux cleaned = 0.120845 Jy ! Total flux subtracted in 100 components = 0.120845 Jy ! Clean residual min=-0.026835 max=0.032566 Jy/beam ! Clean residual mean=-0.001527 rms=0.007983 Jy/beam ! Combined flux in latest and established models = 1.17254 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 19 components and 1.17254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197791Jy sigma=0.002518 ! Fit after self-cal, rms=0.197592Jy sigma=0.002515 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7782 mas, bmaj=1.7 mas, bpa=-11.65 degrees ! Estimated noise=839.656 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 = 0.0203272 Jy ! Component: 100 - total flux cleaned = 0.0315393 Jy ! Component: 150 - total flux cleaned = 0.0373462 Jy ! Component: 200 - total flux cleaned = 0.0386634 Jy ! Total flux subtracted in 200 components = 0.0386634 Jy ! Clean residual min=-0.025201 max=0.024172 Jy/beam ! Clean residual mean=-0.003458 rms=0.007151 Jy/beam ! Combined flux in latest and established models = 1.2112 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 1.2112 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196933Jy sigma=0.002482 ! Fit after self-cal, rms=0.196916Jy sigma=0.002482 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 GG 1.00* HN 1.05 ! KK 1.00* KP 1.00 LA 0.97 MA 1.00* ! MK 0.97 NL 0.95 ON 1.00* OV 0.98 ! PT 1.05 SC 1.00* TC 1.00* TS 1.02 ! WF 1.14 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 GG 1.00* HN 1.05 ! KK 1.00* KP 0.96 LA 0.99 MA 1.00* ! MK 0.97 NL 0.91 ON 1.00* OV 0.98 ! PT 1.10 SC 1.00* TC 1.00* TS 1.01 ! WF 1.27 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 GG 1.00* HN 1.02 ! KK 1.00* KP 0.99 LA 1.00 MA 1.00* ! MK 0.98 NL 0.93 ON 1.00* OV 1.00 ! PT 1.16 SC 1.00* TC 1.00* TS 1.03 ! WF 1.18 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 GG 1.00* HN 1.08 ! KK 1.00* KP 0.95 LA 0.97 MA 1.00* ! MK 1.01 NL 0.93 ON 1.00* OV 1.00 ! PT 1.18 SC 1.00* TC 1.00* TS 1.07 ! WF 1.14 WZ 1.00* ! ! ! Fit before self-cal, rms=0.196916Jy sigma=0.002482 ! Fit after self-cal, rms=0.180843Jy sigma=0.002143 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7783 mas, bmaj=1.708 mas, bpa=-11.65 degrees ! Estimated noise=841.89 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 = 0.000894723 Jy ! Component: 100 - total flux cleaned = 0.000375825 Jy ! Component: 150 - total flux cleaned = -3.60233e-08 Jy ! Component: 200 - total flux cleaned = -0.000252382 Jy ! Total flux subtracted in 200 components = -0.000252382 Jy ! Clean residual min=-0.006119 max=0.006116 Jy/beam ! Clean residual mean=0.000560 rms=0.001708 Jy/beam ! Combined flux in latest and established models = 1.21095 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 1.21095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180674Jy sigma=0.002141 ! Fit after self-cal, rms=0.180851Jy sigma=0.002141 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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=0.180851Jy sigma=0.002141 ! Fit after self-cal, rms=0.181196Jy sigma=0.002141 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.778 mas, bmaj=1.708 mas, bpa=-11.64 degrees ! Estimated noise=842.869 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123875 Jy ! Component: 100 - total flux cleaned = 0.0009232 Jy ! Component: 150 - total flux cleaned = 0.000710972 Jy ! Component: 200 - total flux cleaned = 0.000451411 Jy ! Total flux subtracted in 200 components = 0.000451411 Jy ! Clean residual min=-0.005861 max=0.005816 Jy/beam ! Clean residual mean=0.000575 rms=0.001638 Jy/beam ! Combined flux in latest and established models = 1.2114 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 1.2114 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181082Jy sigma=0.002139 ! Fit after self-cal, rms=0.181077Jy sigma=0.002139 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 = -3.99085e-05 Jy ! Component: 100 - total flux cleaned = -0.000397546 Jy ! Component: 150 - total flux cleaned = -0.000666691 Jy ! Component: 200 - total flux cleaned = -0.000862741 Jy ! Total flux subtracted in 200 components = -0.000862741 Jy ! Clean residual min=-0.005676 max=0.005609 Jy/beam ! Clean residual mean=0.000581 rms=0.001597 Jy/beam ! Combined flux in latest and established models = 1.21054 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 1.21054 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181029Jy sigma=0.002138 ! Fit after self-cal, rms=0.181028Jy sigma=0.002138 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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=0.181028Jy sigma=0.002138 ! Fit after self-cal, rms=0.181348Jy sigma=0.002138 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7778 mas, bmaj=1.708 mas, bpa=-11.64 degrees ! Estimated noise=843.989 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139138 Jy ! Component: 100 - total flux cleaned = 0.00134672 Jy ! Component: 150 - total flux cleaned = 0.00121359 Jy ! Component: 200 - total flux cleaned = 0.00108896 Jy ! Total flux subtracted in 200 components = 0.00108896 Jy ! Clean residual min=-0.005532 max=0.005576 Jy/beam ! Clean residual mean=0.000587 rms=0.001575 Jy/beam ! Combined flux in latest and established models = 1.21163 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 33 components and 1.21163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181286Jy sigma=0.002137 ! Fit after self-cal, rms=0.181287Jy sigma=0.002137 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 = 2.95103e-05 Jy ! Component: 100 - total flux cleaned = -0.000204748 Jy ! Component: 150 - total flux cleaned = -0.00037921 Jy ! Component: 200 - total flux cleaned = -0.000505112 Jy ! Total flux subtracted in 200 components = -0.000505112 Jy ! Clean residual min=-0.005423 max=0.005523 Jy/beam ! Clean residual mean=0.000591 rms=0.001557 Jy/beam ! Combined flux in latest and established models = 1.21112 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 33 components and 1.21112 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181265Jy sigma=0.002137 ! Fit after self-cal, rms=0.181264Jy sigma=0.002137 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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=0.181264Jy sigma=0.002137 ! Fit after self-cal, rms=0.181532Jy sigma=0.002137 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=2.565 mas, bmaj=3.066 mas, bpa=-76.56 degrees ! Estimated noise=1071.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115256 Jy ! Component: 100 - total flux cleaned = 0.00115393 Jy ! Component: 150 - total flux cleaned = 0.00115587 Jy ! Component: 200 - total flux cleaned = 0.00115716 Jy ! Total flux subtracted in 200 components = 0.00115716 Jy ! Clean residual min=-0.005491 max=0.007756 Jy/beam ! Clean residual mean=0.001219 rms=0.002040 Jy/beam ! Combined flux in latest and established models = 1.21228 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 1.21228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181508Jy sigma=0.002137 ! Fit after self-cal, rms=0.181498Jy sigma=0.002137 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 = -0.00019538 Jy ! Component: 100 - total flux cleaned = -0.000192282 Jy ! Component: 150 - total flux cleaned = -0.000190904 Jy ! Component: 200 - total flux cleaned = -0.000190171 Jy ! Total flux subtracted in 200 components = -0.000190171 Jy ! Clean residual min=-0.005475 max=0.007705 Jy/beam ! Clean residual mean=0.001222 rms=0.002024 Jy/beam ! Combined flux in latest and established models = 1.21209 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 36 components and 1.21209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181494Jy sigma=0.002137 ! Fit after self-cal, rms=0.181489Jy sigma=0.002137 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7779 mas, bmaj=1.707 mas, bpa=-11.65 degrees ! Estimated noise=845.145 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7779 x 1.707 at -11.65 degrees (North through East) ! Clean map min=-0.0046099 max=1.0999 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=0.181489Jy sigma=0.002137 ! Fit after self-cal, rms=0.171384Jy sigma=0.001961 ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7771 mas, bmaj=1.708 mas, bpa=-11.6 degrees ! Estimated noise=845.709 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000577205 Jy ! Component: 100 - total flux cleaned = 0.000464196 Jy ! Component: 150 - total flux cleaned = 0.000430366 Jy ! Component: 200 - total flux cleaned = 0.000367613 Jy ! Total flux subtracted in 200 components = 0.000367613 Jy ! Clean residual min=-0.004830 max=0.005653 Jy/beam ! Clean residual mean=0.000665 rms=0.001529 Jy/beam ! Combined flux in latest and established models = 1.21245 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 37 components and 1.21245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171362Jy sigma=0.001961 ! Fit after self-cal, rms=0.171362Jy sigma=0.001961 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.11558e-05 Jy ! Component: 100 - total flux cleaned = -9.67797e-05 Jy ! Component: 150 - total flux cleaned = -0.000171893 Jy ! Component: 200 - total flux cleaned = -0.000195876 Jy ! Total flux subtracted in 200 components = -0.000195876 Jy ! Clean residual min=-0.004788 max=0.005581 Jy/beam ! Clean residual mean=0.000666 rms=0.001521 Jy/beam ! Combined flux in latest and established models = 1.21226 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 37 components and 1.21226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171350Jy sigma=0.001960 ! Fit after self-cal, rms=0.171350Jy sigma=0.001960 ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171350Jy sigma=0.001960 ! Fit after self-cal, rms=0.171419Jy sigma=0.001960 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.6083 mas, bmaj=1.54 mas, bpa=-8.123 degrees ! Estimated noise=994.73 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.839802 Jy ! Component: 100 - total flux cleaned = 1.04748 Jy ! Component: 150 - total flux cleaned = 1.1286 Jy ! Component: 200 - total flux cleaned = 1.1665 Jy ! Total flux subtracted in 200 components = 1.1665 Jy ! Clean residual min=-0.010209 max=0.017822 Jy/beam ! Clean residual mean=0.000260 rms=0.003530 Jy/beam ! Combined flux in latest and established models = 1.1665 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 1.1665 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7772 mas, bmaj=1.708 mas, bpa=-11.62 degrees ! Estimated noise=846.092 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 = 0.023252 Jy ! Component: 100 - total flux cleaned = 0.034292 Jy ! Component: 150 - total flux cleaned = 0.0400169 Jy ! Component: 200 - total flux cleaned = 0.0430904 Jy ! Total flux subtracted in 200 components = 0.0430904 Jy ! Clean residual min=-0.004658 max=0.005924 Jy/beam ! Clean residual mean=0.000689 rms=0.001512 Jy/beam ! Combined flux in latest and established models = 1.20959 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 30 components and 1.20959 Jy ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=2.566 mas, bmaj=3.067 mas, bpa=-76.53 degrees ! Estimated noise=1072.86 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00245945 Jy ! Component: 100 - total flux cleaned = 0.00326933 Jy ! Component: 150 - total flux cleaned = 0.00344941 Jy ! Component: 200 - total flux cleaned = 0.00347657 Jy ! Total flux subtracted in 200 components = 0.00347657 Jy ! Clean residual min=-0.004978 max=0.007420 Jy/beam ! Clean residual mean=0.001362 rms=0.002046 Jy/beam ! Combined flux in latest and established models = 1.21307 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 = 3.94266e-05 Jy ! Component: 100 - total flux cleaned = 7.69332e-05 Jy ! Component: 150 - total flux cleaned = 7.66617e-05 Jy ! Component: 200 - total flux cleaned = 8.89929e-05 Jy ! Total flux subtracted in 200 components = 8.89929e-05 Jy ! Clean residual min=-0.004968 max=0.007409 Jy/beam ! Clean residual mean=0.001360 rms=0.002044 Jy/beam ! Combined flux in latest and established models = 1.21316 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 1.21316 Jy ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! Estimated beam: bmin=0.7772 mas, bmaj=1.708 mas, bpa=-11.62 degrees ! Estimated noise=846.092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.98582e-05 Jy ! Component: 100 - total flux cleaned = -1.85844e-05 Jy ! Component: 150 - total flux cleaned = -1.82914e-05 Jy ! Component: 200 - total flux cleaned = -1.72475e-05 Jy ! Total flux subtracted in 200 components = -1.72475e-05 Jy ! Clean residual min=-0.004636 max=0.006015 Jy/beam ! Clean residual mean=0.000659 rms=0.001516 Jy/beam ! Combined flux in latest and established models = 1.21314 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 41 components and 1.21314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171337Jy sigma=0.001959 ! Fit after self-cal, rms=0.171336Jy sigma=0.001959 wmodel J0238+1636_X_2003_06_18_pus_map.mod ! Writing 41 model components to file: J0238+1636_X_2003_06_18_pus_map.mod wobs J0238+1636_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0238+1636_X_2003_06_18_pus_uvs.fits wwins J0238+1636_X_2003_06_18_pus_map.win ! wwins: Wrote 1 windows to J0238+1636_X_2003_06_18_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 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.002679 Jy ! Component: 100 - total flux cleaned = 0.00505488 Jy ! Component: 150 - total flux cleaned = 0.00677664 Jy ! Component: 200 - total flux cleaned = 0.00803098 Jy ! Component: 250 - total flux cleaned = 0.00927219 Jy ! Component: 300 - total flux cleaned = 0.0104402 Jy ! Component: 350 - total flux cleaned = 0.0115465 Jy ! Component: 400 - total flux cleaned = 0.0124152 Jy ! Component: 450 - total flux cleaned = 0.0133069 Jy ! Component: 500 - total flux cleaned = 0.0141077 Jy ! Component: 550 - total flux cleaned = 0.0148806 Jy ! Component: 600 - total flux cleaned = 0.015627 Jy ! Component: 650 - total flux cleaned = 0.0165007 Jy ! Component: 700 - total flux cleaned = 0.0171964 Jy ! Component: 750 - total flux cleaned = 0.0180149 Jy ! Component: 800 - total flux cleaned = 0.0188074 Jy ! Component: 850 - total flux cleaned = 0.0195768 Jy ! Component: 900 - total flux cleaned = 0.0203236 Jy ! Component: 950 - total flux cleaned = 0.0210488 Jy ! Component: 1000 - total flux cleaned = 0.0216719 Jy ! Total flux subtracted in 1024 components = 0.021957 Jy ! Clean residual min=-0.002133 max=0.002301 Jy/beam ! Clean residual mean=0.000384 rms=0.000755 Jy/beam ! Combined flux in latest and established models = 1.2351 Jy keep ! Adding 63 model components to the UV plane model. ! The established model now contains 104 components and 1.2351 Jy wmap "J0238+1636_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7772 x 1.708 at -11.62 degrees (North through East) ! Clean map min=-0.0030441 max=1.1015 Jy/beam ! Writing clean map to FITS file: J0238+1636_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.10151 invert ! Inverting map ! Your choice of large map pixels excluded 8.48% of the data. ! The x-axis pixel size should ideally be below 0.1863 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000745656 device "J0238+1636_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0238+1636_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.203082 0.203082 0.406163 0.812327 1.62465 3.24931 6.49861 12.9972 25.9945 51.9889 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.101 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7772 x 1.708 at -11.62 degrees (North through East) ! Clean map min=-0.0030441 max=1.1015 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0238+1636_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0238+1636_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0238+1636_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 16:15:58 2007