! Started logfile: J1908-2942_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:52:40 2010 obs J1908-2942_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1908-2942_X_2008_04_02_pus_uva.fits ! AN table 1: 96 integrations on 120 of 120 possible baselines. ! AN table 2: 126 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.271734 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1908-2942 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2284 lines of history. ! ! Reading 28956 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 796 telescope corrections were flagged in sub-array 1. ! A total of 881 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 796 telescope corrections were flagged in sub-array 1. ! A total of 955 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 796 telescope corrections were flagged in sub-array 1. ! A total of 960 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 796 telescope corrections were flagged in sub-array 1. ! A total of 1034 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.949453Jy sigma=0.008517 ! Fit after self-cal, rms=0.900803Jy sigma=0.008100 ! 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 0.0075% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.6506 mas, bmaj=2.193 mas, bpa=-4.811 degrees ! Estimated noise=1275.15 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 = 0.077713 Jy ! Component: 100 - total flux cleaned = 0.0993587 Jy ! Total flux subtracted in 100 components = 0.0993587 Jy ! Clean residual min=-0.006138 max=0.008898 Jy/beam ! Clean residual mean=0.000005 rms=0.001590 Jy/beam ! Combined flux in latest and established models = 0.0993587 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0993587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141361Jy sigma=0.001200 ! Fit after self-cal, rms=0.141127Jy sigma=0.001198 ! Inverting map ! Your choice of large map pixels excluded 0.0075% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100277 Jy ! Component: 100 - total flux cleaned = 0.0151037 Jy ! Total flux subtracted in 100 components = 0.0151037 Jy ! Clean residual min=-0.005034 max=0.004625 Jy/beam ! Clean residual mean=0.000001 rms=0.001266 Jy/beam ! Combined flux in latest and established models = 0.114462 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.114462 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140132Jy sigma=0.001188 ! Fit after self-cal, rms=0.140127Jy sigma=0.001187 ! Inverting map ! Your choice of large map pixels excluded 0.0075% of the data. ! The x-axis pixel size should ideally be below 0.2 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 0.0075% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.995 mas, bmaj=3.001 mas, bpa=-2.395 degrees ! Estimated noise=486.679 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 = 0.00459442 Jy ! Component: 100 - total flux cleaned = 0.0064796 Jy ! Component: 150 - total flux cleaned = 0.00729473 Jy ! Component: 200 - total flux cleaned = 0.00756936 Jy ! Total flux subtracted in 200 components = 0.00756936 Jy ! Clean residual min=-0.002851 max=0.003664 Jy/beam ! Clean residual mean=-0.000011 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 0.122032 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 33 components and 0.122032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140002Jy sigma=0.001186 ! Fit after self-cal, rms=0.140018Jy sigma=0.001186 ! Inverting map ! Your choice of large map pixels excluded 0.0075% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HH 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 1.02 MK 1.02 ! NL 1.01 NY 1.00* ON 1.00* OV 1.07 ! PT 1.18 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 HH 1.00* HN 0.98 ! KK 1.00* KP 1.02 LA 1.01 MK 1.12 ! NL 1.02 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.06 HH 1.00* HN 1.00* ! KK 1.00* KP 0.91 LA 0.95 MK 0.99 ! NL 1.02 NY 1.00* ON 1.00* OV 1.06 ! PT 0.98 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.95 HH 1.00* HN 1.11 ! KK 1.00* KP 0.96 LA 0.94 MK 1.11 ! NL 1.04 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HH 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 0.97 MK 0.95 ! NL 1.02 NY 1.00* ON 1.00* OV 1.10 ! PT 0.98 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.96 HH 1.00* HN 0.97 ! KK 1.00* KP 0.99 LA 1.03 MK 1.02 ! NL 1.07 NY 1.00* ON 1.00* OV 1.08 ! PT 0.95 SC 1.05 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.93 HH 1.00* HN 1.00* ! KK 1.00* KP 1.01 LA 0.97 MK 0.94 ! NL 1.01 NY 1.00* ON 1.00* OV 0.99 ! PT 1.04 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.89 HH 1.00* HN 0.99 ! KK 1.00* KP 0.97 LA 0.98 MK 0.86 ! NL 1.08 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.140018Jy sigma=0.001186 ! Fit after self-cal, rms=0.140722Jy sigma=0.001184 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.9946 mas, bmaj=3.014 mas, bpa=-2.48 degrees ! Estimated noise=487.963 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 = 0.000106837 Jy ! Component: 100 - total flux cleaned = 5.894e-05 Jy ! Component: 150 - total flux cleaned = 4.51414e-06 Jy ! Component: 200 - total flux cleaned = -1.72602e-05 Jy ! Total flux subtracted in 200 components = -1.72602e-05 Jy ! Clean residual min=-0.002452 max=0.003082 Jy/beam ! Clean residual mean=-0.000000 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 0.122015 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 36 components and 0.122015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140717Jy sigma=0.001184 ! Fit after self-cal, rms=0.140791Jy sigma=0.001184 ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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=0.140791Jy sigma=0.001184 ! Fit after self-cal, rms=0.141013Jy sigma=0.001184 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.9916 mas, bmaj=3.01 mas, bpa=-2.581 degrees ! Estimated noise=487.642 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000154643 Jy ! Component: 100 - total flux cleaned = 0.000111568 Jy ! Component: 150 - total flux cleaned = 7.49619e-05 Jy ! Component: 200 - total flux cleaned = 5.54641e-05 Jy ! Total flux subtracted in 200 components = 5.54641e-05 Jy ! Clean residual min=-0.002467 max=0.003031 Jy/beam ! Clean residual mean=0.000001 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.12207 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 37 components and 0.12207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141008Jy sigma=0.001184 ! Fit after self-cal, rms=0.141023Jy sigma=0.001184 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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 (0.2, 9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0028396 Jy ! Component: 100 - total flux cleaned = 0.00413437 Jy ! Component: 150 - total flux cleaned = 0.00431805 Jy ! Component: 200 - total flux cleaned = 0.00443469 Jy ! Total flux subtracted in 200 components = 0.00443469 Jy ! Clean residual min=-0.002202 max=0.002211 Jy/beam ! Clean residual mean=0.000006 rms=0.000569 Jy/beam ! Combined flux in latest and established models = 0.126505 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 54 components and 0.126505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140966Jy sigma=0.001183 ! Fit after self-cal, rms=0.140955Jy sigma=0.001183 ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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=0.140955Jy sigma=0.001183 ! Fit after self-cal, rms=0.140553Jy sigma=0.001183 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.9881 mas, bmaj=3.001 mas, bpa=-2.732 degrees ! Estimated noise=486.578 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00160976 Jy ! Component: 100 - total flux cleaned = 0.00213851 Jy ! Component: 150 - total flux cleaned = 0.00226744 Jy ! Component: 200 - total flux cleaned = 0.00235621 Jy ! Total flux subtracted in 200 components = 0.00235621 Jy ! Clean residual min=-0.002143 max=0.002223 Jy/beam ! Clean residual mean=0.000010 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.128861 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 0.128861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140532Jy sigma=0.001183 ! Fit after self-cal, rms=0.140525Jy sigma=0.001183 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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 = 0.000655087 Jy ! Component: 100 - total flux cleaned = 0.00077155 Jy ! Component: 150 - total flux cleaned = 0.000751511 Jy ! Component: 200 - total flux cleaned = 0.000751575 Jy ! Total flux subtracted in 200 components = 0.000751575 Jy ! Clean residual min=-0.002062 max=0.002216 Jy/beam ! Clean residual mean=0.000010 rms=0.000541 Jy/beam ! Combined flux in latest and established models = 0.129612 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 68 components and 0.129612 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140517Jy sigma=0.001183 ! Fit after self-cal, rms=0.140514Jy sigma=0.001183 ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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=0.140514Jy sigma=0.001183 ! Fit after self-cal, rms=0.140418Jy sigma=0.001183 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=2.443 mas, bmaj=7.052 mas, bpa=6.828 degrees ! Estimated noise=562.901 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105482 Jy ! Component: 100 - total flux cleaned = 0.0015613 Jy ! Component: 150 - total flux cleaned = 0.00165673 Jy ! Component: 200 - total flux cleaned = 0.00168081 Jy ! Total flux subtracted in 200 components = 0.00168081 Jy ! Clean residual min=-0.001922 max=0.001840 Jy/beam ! Clean residual mean=0.000017 rms=0.000597 Jy/beam ! Combined flux in latest and established models = 0.131293 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 79 components and 0.131293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140413Jy sigma=0.001183 ! Fit after self-cal, rms=0.140403Jy sigma=0.001183 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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 = 0.000256538 Jy ! Component: 100 - total flux cleaned = 0.000389841 Jy ! Component: 150 - total flux cleaned = 0.00041328 Jy ! Component: 200 - total flux cleaned = 0.000413702 Jy ! Total flux subtracted in 200 components = 0.000413702 Jy ! Clean residual min=-0.001954 max=0.001851 Jy/beam ! Clean residual mean=0.000017 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.131707 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 82 components and 0.131707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140401Jy sigma=0.001183 ! Fit after self-cal, rms=0.140397Jy sigma=0.001183 ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.9873 mas, bmaj=2.999 mas, bpa=-2.776 degrees ! Estimated noise=486.915 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9873 x 2.999 at -2.776 degrees (North through East) ! Clean map min=-0.0019322 max=0.10561 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 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.6442 mas, bmaj=2.197 mas, bpa=-5.405 degrees ! Estimated noise=1259.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0764447 Jy ! Component: 100 - total flux cleaned = 0.100374 Jy ! Component: 150 - total flux cleaned = 0.111204 Jy ! Component: 200 - total flux cleaned = 0.117678 Jy ! Total flux subtracted in 200 components = 0.117678 Jy ! Clean residual min=-0.004255 max=0.004147 Jy/beam ! Clean residual mean=0.000006 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 0.117678 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.117678 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.9873 mas, bmaj=2.999 mas, bpa=-2.776 degrees ! Estimated noise=486.915 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 = 0.00554339 Jy ! Component: 100 - total flux cleaned = 0.00887912 Jy ! Component: 150 - total flux cleaned = 0.0110633 Jy ! Component: 200 - total flux cleaned = 0.0122496 Jy ! Total flux subtracted in 200 components = 0.0122496 Jy ! Clean residual min=-0.002110 max=0.002165 Jy/beam ! Clean residual mean=0.000011 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.129927 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 43 components and 0.129927 Jy ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 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 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=2.443 mas, bmaj=7.052 mas, bpa=6.828 degrees ! Estimated noise=562.901 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00133415 Jy ! Component: 100 - total flux cleaned = 0.00172862 Jy ! Component: 150 - total flux cleaned = 0.00178122 Jy ! Component: 200 - total flux cleaned = 0.00185016 Jy ! Total flux subtracted in 200 components = 0.00185016 Jy ! Clean residual min=-0.002093 max=0.001796 Jy/beam ! Clean residual mean=0.000018 rms=0.000611 Jy/beam ! Combined flux in latest and established models = 0.131777 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 = 4.13349e-05 Jy ! Component: 100 - total flux cleaned = 7.95822e-05 Jy ! Component: 150 - total flux cleaned = 0.000130408 Jy ! Component: 200 - total flux cleaned = 0.000176031 Jy ! Total flux subtracted in 200 components = 0.000176031 Jy ! Clean residual min=-0.002042 max=0.001811 Jy/beam ! Clean residual mean=0.000017 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.131953 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 73 components and 0.131953 Jy ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! Estimated beam: bmin=0.9873 mas, bmaj=2.999 mas, bpa=-2.776 degrees ! Estimated noise=486.915 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000105687 Jy ! Component: 100 - total flux cleaned = 0.000137351 Jy ! Component: 150 - total flux cleaned = 0.000108871 Jy ! Component: 200 - total flux cleaned = 8.25764e-05 Jy ! Total flux subtracted in 200 components = 8.25764e-05 Jy ! Clean residual min=-0.001936 max=0.002243 Jy/beam ! Clean residual mean=0.000012 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 0.132036 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 88 components and 0.132036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140406Jy sigma=0.001183 ! Fit after self-cal, rms=0.140406Jy sigma=0.001183 wmodel J1908-2942_X_2008_04_02_pus_map.mod ! Writing 88 model components to file: J1908-2942_X_2008_04_02_pus_map.mod wobs J1908-2942_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1908-2942_X_2008_04_02_pus_uvs.fits wwins J1908-2942_X_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J1908-2942_X_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000627633 Jy ! Component: 100 - total flux cleaned = 0.000827481 Jy ! Component: 150 - total flux cleaned = 0.000704884 Jy ! Component: 200 - total flux cleaned = 0.000644658 Jy ! Component: 250 - total flux cleaned = 0.000700512 Jy ! Component: 300 - total flux cleaned = 0.000836113 Jy ! Component: 350 - total flux cleaned = 0.00088927 Jy ! Component: 400 - total flux cleaned = 0.00101759 Jy ! Component: 450 - total flux cleaned = 0.00104238 Jy ! Component: 500 - total flux cleaned = 0.00106683 Jy ! Component: 550 - total flux cleaned = 0.00109093 Jy ! Component: 600 - total flux cleaned = 0.00113753 Jy ! Component: 650 - total flux cleaned = 0.00118315 Jy ! Component: 700 - total flux cleaned = 0.00120541 Jy ! Component: 750 - total flux cleaned = 0.00118404 Jy ! Component: 800 - total flux cleaned = 0.00118417 Jy ! Component: 850 - total flux cleaned = 0.0011843 Jy ! Component: 900 - total flux cleaned = 0.0011845 Jy ! Component: 950 - total flux cleaned = 0.00118429 Jy ! Component: 1000 - total flux cleaned = 0.00118387 Jy ! Component: 1050 - total flux cleaned = 0.00114449 Jy ! Component: 1100 - total flux cleaned = 0.0011059 Jy ! Component: 1150 - total flux cleaned = 0.00110576 Jy ! Component: 1200 - total flux cleaned = 0.00108671 Jy ! Component: 1250 - total flux cleaned = 0.00106797 Jy ! Component: 1300 - total flux cleaned = 0.00101351 Jy ! Component: 1350 - total flux cleaned = 0.00103176 Jy ! Component: 1400 - total flux cleaned = 0.000978462 Jy ! Component: 1450 - total flux cleaned = 0.000995871 Jy ! Component: 1500 - total flux cleaned = 0.000961043 Jy ! Component: 1550 - total flux cleaned = 0.000875499 Jy ! Component: 1600 - total flux cleaned = 0.000858523 Jy ! Component: 1650 - total flux cleaned = 0.000824888 Jy ! Component: 1700 - total flux cleaned = 0.000808205 Jy ! Component: 1750 - total flux cleaned = 0.000726396 Jy ! Component: 1800 - total flux cleaned = 0.000710068 Jy ! Component: 1850 - total flux cleaned = 0.000646332 Jy ! Component: 1900 - total flux cleaned = 0.000614847 Jy ! Component: 1950 - total flux cleaned = 0.000552321 Jy ! Component: 2000 - total flux cleaned = 0.000521337 Jy ! Total flux subtracted in 2048 components = 0.000490747 Jy ! Clean residual min=-0.000941 max=0.000970 Jy/beam ! Clean residual mean=-0.000001 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.132527 Jy keep ! Adding 120 model components to the UV plane model. ! The established model now contains 208 components and 0.132527 Jy wmap "J1908-2942_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9873 x 2.999 at -2.776 degrees (North through East) ! Clean map min=-0.0013544 max=0.10507 Jy/beam ! Writing clean map to FITS file: J1908-2942_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.105067 invert ! Inverting map ! Your choice of large map pixels excluded 0.00752% of the data. ! The x-axis pixel size should ideally be below 0.2 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00029949 device "J1908-2942_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1908-2942_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.855139 0.855139 1.71028 3.42056 6.84112 13.6822 27.3645 54.7289 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.105 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9873 x 2.999 at -2.776 degrees (North through East) ! Clean map min=-0.0013544 max=0.10507 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1908-2942_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1908-2942_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1908-2942_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:52:46 2010