! Started logfile: J0301-1812_S_2005_07_09_yyk_uvs.log on Fri Jan 20 11:14:37 2006 obs J0301-1812_S_2005_07_09_yyk_uve.fits ! Reading UV FITS file: J0301-1812_S_2005_07_09_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.298765 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0301-1812 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1602 lines of history. ! ! Reading 484 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 J0301-1812_S_2005_07_09_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 = 256x256 pixels with 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.123041 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 ! Estimated beam: bmin=7.756 mas, bmaj=20.05 mas, bpa=16.86 degrees ! Estimated noise=4.43396 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 = 0.0601252 Jy ! Component: 100 - total flux cleaned = 0.064868 Jy ! Total flux subtracted in 100 components = 0.064868 Jy ! Clean residual min=-0.012465 max=0.013158 Jy/beam ! Clean residual mean=-0.000163 rms=0.004021 Jy/beam ! Combined flux in latest and established models = 0.064868 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.064868 Jy ! ! Correcting IF 1. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.102371Jy sigma=1.288661 ! Fit after self-cal, rms=0.095991Jy sigma=1.203918 ! Inverting map and beam ! Estimated beam: bmin=7.756 mas, bmaj=20.05 mas, bpa=16.86 degrees ! Estimated noise=4.43396 mJy/beam. 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 ! Estimated beam: bmin=9.687 mas, bmaj=25.48 mas, bpa=20.01 degrees ! Estimated noise=3.07657 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 = 0.0137763 Jy ! Component: 100 - total flux cleaned = 0.0187394 Jy ! Component: 150 - total flux cleaned = 0.0205435 Jy ! Component: 200 - total flux cleaned = 0.0208332 Jy ! Total flux subtracted in 200 components = 0.0208332 Jy ! Clean residual min=-0.007850 max=0.009314 Jy/beam ! Clean residual mean=-0.000076 rms=0.003011 Jy/beam ! Combined flux in latest and established models = 0.0857013 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 27 components and 0.0857013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094640Jy sigma=1.178257 ! Fit after self-cal, rms=0.094977Jy sigma=1.183479 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.687 x 25.48 at 20.01 degrees (North through East) ! Clean map min=-0.0078175 max=0.078146 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if ! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2. ! Selfcal phase corrections will not be limited. gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.094977Jy sigma=1.183479 ! Fit after self-cal, rms=0.094977Jy sigma=1.183479 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=0.094977Jy sigma=1.183479 ! Fit after self-cal, rms=0.094907Jy sigma=1.182260 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.687 mas, bmaj=25.48 mas, bpa=20.01 degrees ! Estimated noise=3.07657 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 = -0.000605233 Jy ! Component: 100 - total flux cleaned = -0.000788726 Jy ! Component: 150 - total flux cleaned = -0.000679473 Jy ! Component: 200 - total flux cleaned = -0.000847535 Jy ! Total flux subtracted in 200 components = -0.000847535 Jy ! Clean residual min=-0.007441 max=0.008965 Jy/beam ! Clean residual mean=-0.000066 rms=0.002853 Jy/beam ! Combined flux in latest and established models = 0.0848537 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 40 components and 0.0848537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094664Jy sigma=1.177676 ! Fit after self-cal, rms=0.094665Jy sigma=1.176417 ! Inverting map 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=0.094665Jy sigma=1.176417 ! Fit after self-cal, rms=0.082044Jy sigma=1.005678 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.00965566 Jy ! Component: 100 - total flux cleaned = 0.0101042 Jy ! Component: 150 - total flux cleaned = 0.0095851 Jy ! Component: 200 - total flux cleaned = 0.0094865 Jy ! Total flux subtracted in 200 components = 0.0094865 Jy ! Clean residual min=-0.006438 max=0.007231 Jy/beam ! Clean residual mean=0.000042 rms=0.002146 Jy/beam ! Combined flux in latest and established models = 0.0943402 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 56 components and 0.0943402 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080028Jy sigma=0.981085 ! Fit after self-cal, rms=0.077760Jy sigma=0.964770 ! Inverting map 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: 9.687 x 25.48 at 20.01 degrees (North through East) ! Clean map min=-0.0065861 max=0.091188 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 uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=10.67 mas, bmaj=27.2 mas, bpa=20.26 degrees ! Estimated noise=3.12027 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 = -0.000249277 Jy ! Component: 100 - total flux cleaned = 8.59702e-05 Jy ! Component: 150 - total flux cleaned = 0.000135281 Jy ! Component: 200 - total flux cleaned = 9.78434e-05 Jy ! Total flux subtracted in 200 components = 9.78434e-05 Jy ! Clean residual min=-0.005984 max=0.006443 Jy/beam ! Clean residual mean=0.000081 rms=0.002034 Jy/beam ! Combined flux in latest and established models = 0.0944381 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 79 components and 0.0944381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077604Jy sigma=0.963544 ! Fit after self-cal, rms=0.077195Jy sigma=0.961197 ! Inverting map 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 ! Estimated beam: bmin=7.756 mas, bmaj=20.05 mas, bpa=16.86 degrees ! Estimated noise=4.43396 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0754689 Jy ! Component: 100 - total flux cleaned = 0.0889894 Jy ! Component: 150 - total flux cleaned = 0.0924603 Jy ! Component: 200 - total flux cleaned = 0.0948803 Jy ! Total flux subtracted in 200 components = 0.0948803 Jy ! Clean residual min=-0.010823 max=0.010712 Jy/beam ! Clean residual mean=0.000050 rms=0.003225 Jy/beam ! Combined flux in latest and established models = 0.0948802 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0948802 Jy ! Inverting map and beam ! Estimated beam: bmin=9.687 mas, bmaj=25.48 mas, bpa=20.01 degrees ! Estimated noise=3.07657 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 = 0.00199612 Jy ! Component: 100 - total flux cleaned = 0.00186385 Jy ! Component: 150 - total flux cleaned = 0.00162493 Jy ! Component: 200 - total flux cleaned = 0.00140584 Jy ! Total flux subtracted in 200 components = 0.00140584 Jy ! Clean residual min=-0.006107 max=0.006706 Jy/beam ! Clean residual mean=0.000047 rms=0.002098 Jy/beam ! Combined flux in latest and established models = 0.0962861 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.0962861 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=10.67 mas, bmaj=27.2 mas, bpa=20.26 degrees ! Estimated noise=3.12027 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 = -0.000207539 Jy ! Component: 100 - total flux cleaned = -0.000372553 Jy ! Component: 150 - total flux cleaned = -0.000520405 Jy ! Component: 200 - total flux cleaned = -0.000649424 Jy ! Total flux subtracted in 200 components = -0.000649424 Jy ! Clean residual min=-0.005811 max=0.006471 Jy/beam ! Clean residual mean=0.000067 rms=0.002031 Jy/beam ! Combined flux in latest and established models = 0.0956367 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 0.0956367 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.687 mas, bmaj=25.48 mas, bpa=20.01 degrees ! Estimated noise=3.07657 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 8.09318e-05 Jy ! Component: 100 - total flux cleaned = 2.32423e-05 Jy ! Component: 150 - total flux cleaned = -0.00013865 Jy ! Component: 200 - total flux cleaned = -0.000291215 Jy ! Total flux subtracted in 200 components = -0.000291215 Jy ! Clean residual min=-0.006112 max=0.006632 Jy/beam ! Clean residual mean=0.000056 rms=0.002030 Jy/beam ! Combined flux in latest and established models = 0.0953455 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 66 components and 0.0953455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076991Jy sigma=0.962039 ! Fit after self-cal, rms=0.076870Jy sigma=0.961095 wmodel J0301-1812_S_2005_07_09_yyk\_map.mod ! Writing 66 model components to file: J0301-1812_S_2005_07_09_yyk_map.mod wobs J0301-1812_S_2005_07_09_yyk\_uvs.fits ! Writing UV FITS file: J0301-1812_S_2005_07_09_yyk_uvs.fits wwins J0301-1812_S_2005_07_09_yyk\_map.win ! wwins: Wrote 1 windows to J0301-1812_S_2005_07_09_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00289552 Jy ! Component: 100 - total flux cleaned = 0.00336765 Jy ! Component: 150 - total flux cleaned = 0.00352927 Jy ! Component: 200 - total flux cleaned = 0.00391229 Jy ! Component: 250 - total flux cleaned = 0.00384392 Jy ! Component: 300 - total flux cleaned = 0.00391287 Jy ! Component: 350 - total flux cleaned = 0.00391255 Jy ! Component: 400 - total flux cleaned = 0.00378823 Jy ! Component: 450 - total flux cleaned = 0.00329857 Jy ! Component: 500 - total flux cleaned = 0.00288191 Jy ! Component: 550 - total flux cleaned = 0.00241557 Jy ! Component: 600 - total flux cleaned = 0.00178799 Jy ! Component: 650 - total flux cleaned = 0.00123036 Jy ! Component: 700 - total flux cleaned = 0.000684335 Jy ! Component: 750 - total flux cleaned = 4.38352e-05 Jy ! Component: 800 - total flux cleaned = -0.000479087 Jy ! Component: 850 - total flux cleaned = -0.00109377 Jy ! Component: 900 - total flux cleaned = -0.00164602 Jy ! Component: 950 - total flux cleaned = -0.00228519 Jy ! Component: 1000 - total flux cleaned = -0.00286404 Jy ! Total flux subtracted in 1024 components = -0.00310223 Jy ! Clean residual min=-0.003228 max=0.002756 Jy/beam ! Clean residual mean=-0.000073 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 0.0922432 Jy keep ! Adding 54 model components to the UV plane model. ! The established model now contains 120 components and 0.0922432 Jy ![Exited script file: muppet] wmap "J0301-1812_S_2005_07_09_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.687 x 25.48 at 20.01 degrees (North through East) ! Clean map min=-0.0069137 max=0.091525 Jy/beam ! Writing clean map to FITS file: J0301-1812_S_2005_07_09_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0915251 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00108467 device "J0301-1812_S_2005_07_09_yyk\_map.eps/VPS" ! Attempting to open device: 'J0301-1812_S_2005_07_09_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.55531 3.55531 7.11063 14.2213 28.4425 56.885 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.091 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.687 x 25.48 at 20.01 degrees (North through East) ! Clean map min=-0.0069137 max=0.091525 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0301-1812_S_2005_07_09_yyk\_map.gif/gif" ! Attempting to open device: 'J0301-1812_S_2005_07_09_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0301-1812_S_2005_07_09_yyk_uvs.log closed on Fri Jan 20 11:14:38 2006