! Started logfile: J2151-3027_X_2002_05_14_yyk_uvs.log on Tue Jun 26 23:20:09 2007 obs J2151-3027_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J2151-3027_X_2002_05_14_yyk_uva.fits ! AN table 1: 105 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.820952 visibilities/baseline/integration-bin. ! Found source: J2151-3027 ! ! 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 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1077 lines of history. ! ! Reading 15516 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 ![@muppet J2151-3027_X_2002_05_14_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 10 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 30 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. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.604802 Jy 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 0.232% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.6685 mas, bmaj=1.664 mas, bpa=0.2374 degrees ! Estimated noise=1289.45 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.360476 Jy ! Component: 100 - total flux cleaned = 0.521092 Jy ! Total flux subtracted in 100 components = 0.521092 Jy ! Clean residual min=-0.048974 max=0.121489 Jy/beam ! Clean residual mean=-0.000071 rms=0.011662 Jy/beam ! Combined flux in latest and established models = 0.521092 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.521092 Jy ! ! Correcting IF 1. ! A total of 135 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 135 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 135 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 135 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.328463Jy sigma=0.002323 ! Fit after self-cal, rms=0.327528Jy sigma=0.002318 ! Inverting map and beam ! Your choice of large map pixels excluded 0.232% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.6685 mas, bmaj=1.664 mas, bpa=0.2386 degrees ! Estimated noise=1312.66 mJy/beam. ! Added new window around map position (1.2, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.132925 Jy ! Component: 100 - total flux cleaned = 0.20792 Jy ! Total flux subtracted in 100 components = 0.20792 Jy ! Clean residual min=-0.036101 max=0.086973 Jy/beam ! Clean residual mean=-0.000044 rms=0.007704 Jy/beam ! Combined flux in latest and established models = 0.729011 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 32 components and 0.729011 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263949Jy sigma=0.001747 ! Fit after self-cal, rms=0.258833Jy sigma=0.001708 ! Inverting map ! Your choice of large map pixels excluded 0.232% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0668563 Jy ! Component: 100 - total flux cleaned = 0.100529 Jy ! Total flux subtracted in 100 components = 0.100529 Jy ! Clean residual min=-0.032130 max=0.057225 Jy/beam ! Clean residual mean=-0.000019 rms=0.005809 Jy/beam ! Combined flux in latest and established models = 0.82954 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 39 components and 0.82954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.240512Jy sigma=0.001548 ! Fit after self-cal, rms=0.236986Jy sigma=0.001520 ! Inverting map ! Your choice of large map pixels excluded 0.232% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Added new window around map position (-1.6, 0.4). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0497936 Jy ! Component: 100 - total flux cleaned = 0.0689182 Jy ! Total flux subtracted in 100 components = 0.0689183 Jy ! Clean residual min=-0.020249 max=0.021924 Jy/beam ! Clean residual mean=-0.000006 rms=0.004347 Jy/beam ! Combined flux in latest and established models = 0.898458 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 49 components and 0.898458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226614Jy sigma=0.001446 ! Fit after self-cal, rms=0.226468Jy sigma=0.001445 ! Inverting map ! Your choice of large map pixels excluded 0.232% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! 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 0.232% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8477 mas, bmaj=2.132 mas, bpa=-1.424 degrees ! Estimated noise=770.431 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0215358 Jy ! Component: 100 - total flux cleaned = 0.0264552 Jy ! Component: 150 - total flux cleaned = 0.0285573 Jy ! Component: 200 - total flux cleaned = 0.0285515 Jy ! Total flux subtracted in 200 components = 0.0285515 Jy ! Clean residual min=-0.014543 max=0.012177 Jy/beam ! Clean residual mean=0.000114 rms=0.003670 Jy/beam ! Combined flux in latest and established models = 0.92701 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 67 components and 0.92701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223354Jy sigma=0.001428 ! Fit after self-cal, rms=0.223169Jy sigma=0.001427 ! Inverting map ! Your choice of large map pixels excluded 0.232% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8477 x 2.132 at -1.424 degrees (North through East) ! Clean map min=-0.017153 max=0.32278 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.944167 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HN 1.64 KP 0.93 ! LA 1.03 NL 1.03 OV 1.00 PT 1.00 ! SC 1.02 MK 1.04 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.84389 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HN 3.03 KP 0.89 ! LA 0.98 NL 1.02 OV 0.98 PT 1.04 ! SC 1.01 MK 0.99 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.863124 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.92 HN 2.55 KP 0.90 ! LA 1.02 NL 1.01 OV 1.02 PT 1.08 ! SC 1.00 MK 1.03 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.83615 ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.92 HN 2.63 KP 1.00 ! LA 1.00 NL 1.05 OV 1.05 PT 1.14 ! SC 1.05 MK 1.05 ! ! ! Fit before self-cal, rms=0.223169Jy sigma=0.001427 ! Fit after self-cal, rms=0.308253Jy sigma=0.002042 selfcal false, false, phase_soltime ! Performing phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308253Jy sigma=0.002042 ! Fit after self-cal, rms=0.308339Jy sigma=0.002042 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8712 mas, bmaj=2.145 mas, bpa=-0.9096 degrees ! Estimated noise=599.974 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.13589 Jy ! Component: 100 - total flux cleaned = -0.185673 Jy ! Component: 150 - total flux cleaned = -0.208586 Jy ! Component: 200 - total flux cleaned = -0.221049 Jy ! Total flux subtracted in 200 components = -0.221049 Jy ! Clean residual min=-0.010130 max=0.006264 Jy/beam ! Clean residual mean=-0.000045 rms=0.001718 Jy/beam ! Combined flux in latest and established models = 0.70596 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 46 model components to the UV plane model. ! The established model now contains 92 components and 0.70596 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276535Jy sigma=0.001417 ! Fit after self-cal, rms=0.276451Jy sigma=0.001417 ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************" ! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276451Jy sigma=0.001417 ! Fit after self-cal, rms=0.272732Jy sigma=0.001375 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00763494 Jy ! Component: 100 - total flux cleaned = -0.0116614 Jy ! Component: 150 - total flux cleaned = -0.0127369 Jy ! Component: 200 - total flux cleaned = -0.0136256 Jy ! Total flux subtracted in 200 components = -0.0136256 Jy ! Clean residual min=-0.007425 max=0.006418 Jy/beam ! Clean residual mean=-0.000063 rms=0.001579 Jy/beam ! Combined flux in latest and established models = 0.692334 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 101 components and 0.692335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272577Jy sigma=0.001372 ! Fit after self-cal, rms=0.272174Jy sigma=0.001365 ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***" ! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8712 x 2.145 at -0.9096 degrees (North through East) ! Clean map min=-0.013647 max=0.24091 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true, amp_soltime2 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "************** FINISHED AMPLITUDE SELF-CAL **************" end if ! Performing amp+phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.272174Jy sigma=0.001365 ! Fit after self-cal, rms=0.373783Jy sigma=0.001282 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.373783Jy sigma=0.001282 ! Fit after self-cal, rms=0.373756Jy sigma=0.001280 ! Inverting map and beam ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8752 mas, bmaj=2.178 mas, bpa=-0.8713 degrees ! Estimated noise=595.577 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00104309 Jy ! Component: 100 - total flux cleaned = -0.00121881 Jy ! Component: 150 - total flux cleaned = -0.00138091 Jy ! Component: 200 - total flux cleaned = -0.00159833 Jy ! Total flux subtracted in 200 components = -0.00159832 Jy ! Clean residual min=-0.005131 max=0.005294 Jy/beam ! Clean residual mean=-0.000053 rms=0.001268 Jy/beam ! Combined flux in latest and established models = 0.690736 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 112 components and 0.690736 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.373654Jy sigma=0.001279 ! Fit after self-cal, rms=0.373599Jy sigma=0.001278 ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Added new window around map position (3.2, -2.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542611 Jy ! Component: 100 - total flux cleaned = 0.00584611 Jy ! Component: 150 - total flux cleaned = 0.00597925 Jy ! Component: 200 - total flux cleaned = 0.00620509 Jy ! Total flux subtracted in 200 components = 0.00620509 Jy ! Clean residual min=-0.005056 max=0.004303 Jy/beam ! Clean residual mean=-0.000045 rms=0.001139 Jy/beam ! Combined flux in latest and established models = 0.696941 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 133 components and 0.696941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.373419Jy sigma=0.001276 ! Fit after self-cal, rms=0.373375Jy sigma=0.001275 ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Performing amp+phase self-cal over 1 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.373375Jy sigma=0.001275 ! Fit after self-cal, rms=0.423383Jy sigma=0.001273 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.423383Jy sigma=0.001273 ! Fit after self-cal, rms=0.423370Jy sigma=0.001272 ! Inverting map and beam ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8752 mas, bmaj=2.185 mas, bpa=-0.7985 degrees ! Estimated noise=595.452 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107337 Jy ! Component: 100 - total flux cleaned = 0.0011834 Jy ! Component: 150 - total flux cleaned = 0.00118018 Jy ! Component: 200 - total flux cleaned = 0.00108384 Jy ! Total flux subtracted in 200 components = 0.00108384 Jy ! Clean residual min=-0.004834 max=0.004173 Jy/beam ! Clean residual mean=-0.000048 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 0.698025 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 139 components and 0.698025 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.423252Jy sigma=0.001271 ! Fit after self-cal, rms=0.423234Jy sigma=0.001271 ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! ************** FINISHED AMPLITUDE SELF-CAL ************** uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=2.505 mas, bmaj=6.765 mas, bpa=4.043 degrees ! Estimated noise=754.864 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00077751 Jy ! Component: 100 - total flux cleaned = 0.00133993 Jy ! Component: 150 - total flux cleaned = 0.00152223 Jy ! Component: 200 - total flux cleaned = 0.00174192 Jy ! Total flux subtracted in 200 components = 0.00174192 Jy ! Clean residual min=-0.004112 max=0.004151 Jy/beam ! Clean residual mean=-0.000082 rms=0.001370 Jy/beam ! Combined flux in latest and established models = 0.699767 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 146 components and 0.699767 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.423206Jy sigma=0.001271 ! Fit after self-cal, rms=0.423180Jy sigma=0.001271 ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec uvtaper 0 ! No UV-taper is currently set. win_mult = win_mult / 1.4 print "************** FINISHED TAPERING SELF-CAL CLEAN **************" ! ************** FINISHED TAPERING SELF-CAL CLEAN ************** ! print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum 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 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.672 mas, bmaj=1.664 mas, bpa=0.6752 degrees ! Estimated noise=1105.65 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.306643 Jy ! Component: 100 - total flux cleaned = 0.440045 Jy ! Component: 150 - total flux cleaned = 0.520081 Jy ! Component: 200 - total flux cleaned = 0.573513 Jy ! Total flux subtracted in 200 components = 0.573513 Jy ! Clean residual min=-0.018991 max=0.027981 Jy/beam ! Clean residual mean=-0.000078 rms=0.004021 Jy/beam ! Combined flux in latest and established models = 0.573514 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 43 model components to the UV plane model. ! The established model now contains 43 components and 0.573514 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8752 mas, bmaj=2.185 mas, bpa=-0.7985 degrees ! Estimated noise=595.452 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0610608 Jy ! Component: 100 - total flux cleaned = 0.0900168 Jy ! Component: 150 - total flux cleaned = 0.105918 Jy ! Component: 200 - total flux cleaned = 0.112615 Jy ! Total flux subtracted in 200 components = 0.112615 Jy ! Clean residual min=-0.007626 max=0.006811 Jy/beam ! Clean residual mean=-0.000095 rms=0.001559 Jy/beam ! Combined flux in latest and established models = 0.686129 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 80 components and 0.686129 Jy ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=2.505 mas, bmaj=6.765 mas, bpa=4.043 degrees ! Estimated noise=754.864 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00792077 Jy ! Component: 100 - total flux cleaned = 0.00962657 Jy ! Component: 150 - total flux cleaned = 0.010595 Jy ! Component: 200 - total flux cleaned = 0.0113157 Jy ! Total flux subtracted in 200 components = 0.0113157 Jy ! Clean residual min=-0.003970 max=0.004307 Jy/beam ! Clean residual mean=-0.000130 rms=0.001405 Jy/beam ! Combined flux in latest and established models = 0.697444 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 93 components and 0.697444 Jy ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! Estimated beam: bmin=0.8752 mas, bmaj=2.185 mas, bpa=-0.7985 degrees ! Estimated noise=595.452 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00226425 Jy ! Component: 100 - total flux cleaned = -0.00226725 Jy ! Component: 150 - total flux cleaned = -0.00227104 Jy ! Component: 200 - total flux cleaned = -0.00226116 Jy ! Total flux subtracted in 200 components = -0.00226116 Jy ! Clean residual min=-0.005604 max=0.005034 Jy/beam ! Clean residual mean=-0.000075 rms=0.001240 Jy/beam ! Combined flux in latest and established models = 0.695183 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 110 components and 0.695183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.424796Jy sigma=0.001278 ! Fit after self-cal, rms=0.424087Jy sigma=0.001276 wmodel J2151-3027_X_2002_05_14_yyk\_map.mod ! Writing 110 model components to file: J2151-3027_X_2002_05_14_yyk_map.mod wobs J2151-3027_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J2151-3027_X_2002_05_14_yyk_uvs.fits wwins J2151-3027_X_2002_05_14_yyk\_map.win ! wwins: Wrote 4 windows to J2151-3027_X_2002_05_14_yyk_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 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000484553 Jy ! Component: 100 - total flux cleaned = 0.00045289 Jy ! Component: 150 - total flux cleaned = 0.00108096 Jy ! Component: 200 - total flux cleaned = 0.00122761 Jy ! Component: 250 - total flux cleaned = 0.00150931 Jy ! Component: 300 - total flux cleaned = 0.00137294 Jy ! Component: 350 - total flux cleaned = 0.00130655 Jy ! Component: 400 - total flux cleaned = 0.000985541 Jy ! Component: 450 - total flux cleaned = 0.000859132 Jy ! Component: 500 - total flux cleaned = 0.000735543 Jy ! Component: 550 - total flux cleaned = 0.000615535 Jy ! Component: 600 - total flux cleaned = 0.000556831 Jy ! Component: 650 - total flux cleaned = 0.000556489 Jy ! Component: 700 - total flux cleaned = 0.000441965 Jy ! Component: 750 - total flux cleaned = 0.000218607 Jy ! Component: 800 - total flux cleaned = 0.000108916 Jy ! Component: 850 - total flux cleaned = -0.000107138 Jy ! Component: 900 - total flux cleaned = -0.00010828 Jy ! Component: 950 - total flux cleaned = -0.000424409 Jy ! Component: 1000 - total flux cleaned = -0.000682886 Jy ! Component: 1050 - total flux cleaned = -0.000683198 Jy ! Component: 1100 - total flux cleaned = -0.000834248 Jy ! Component: 1150 - total flux cleaned = -0.000982607 Jy ! Component: 1200 - total flux cleaned = -0.00093291 Jy ! Component: 1250 - total flux cleaned = -0.00107852 Jy ! Component: 1300 - total flux cleaned = -0.00107763 Jy ! Component: 1350 - total flux cleaned = -0.00103017 Jy ! Component: 1400 - total flux cleaned = -0.00107693 Jy ! Component: 1450 - total flux cleaned = -0.00112377 Jy ! Component: 1500 - total flux cleaned = -0.00126177 Jy ! Component: 1550 - total flux cleaned = -0.00126204 Jy ! Component: 1600 - total flux cleaned = -0.0013071 Jy ! Component: 1650 - total flux cleaned = -0.00135149 Jy ! Component: 1700 - total flux cleaned = -0.00152709 Jy ! Component: 1750 - total flux cleaned = -0.00144037 Jy ! Component: 1800 - total flux cleaned = -0.00152602 Jy ! Component: 1850 - total flux cleaned = -0.00148382 Jy ! Component: 1900 - total flux cleaned = -0.00161042 Jy ! Component: 1950 - total flux cleaned = -0.00165218 Jy ! Component: 2000 - total flux cleaned = -0.00181781 Jy ! Total flux subtracted in 2048 components = -0.00185875 Jy ! Clean residual min=-0.002311 max=0.002414 Jy/beam ! Clean residual mean=-0.000029 rms=0.000760 Jy/beam ! Combined flux in latest and established models = 0.693324 Jy keep ! Adding 129 model components to the UV plane model. ! The established model now contains 237 components and 0.693324 Jy ![Exited script file: muppet] wmap "J2151-3027_X_2002_05_14_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8752 x 2.185 at -0.7985 degrees (North through East) ! Clean map min=-0.0065974 max=0.30452 Jy/beam ! Writing clean map to FITS file: J2151-3027_X_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.304516 invert ! Inverting map ! Your choice of large map pixels excluded 0.233% of the data. ! The x-axis pixel size should ideally be below 0.1988 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000758108 device "J2151-3027_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J2151-3027_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.746864 0.746864 1.49373 2.98746 5.97491 11.9498 23.8997 47.7993 95.5986 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.304 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8752 x 2.185 at -0.7985 degrees (North through East) ! Clean map min=-0.0065974 max=0.30452 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2151-3027_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J2151-3027_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2151-3027_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 23:20:18 2007