! Started logfile: J0558-0055_S_2005_06_01_yyk_uvs.log on Sat Oct 8 22:55:30 2005 obs J0558-0055_S_2005_06_01_yyk_uve.fits ! Reading UV FITS file: J0558-0055_S_2005_06_01_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.563743 visibilities/baseline/integration-bin. ! Found source: J0558-0055 ! ! 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 1806 lines of history. ! ! Reading 1928 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 J0558-0055_S_2005_06_01_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)= 0.112167 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 0.0844% of the data. ! The x-axis pixel size should ideally be below 0.9544 milli-arcsec ! Estimated beam: bmin=7.83 mas, bmaj=12.11 mas, bpa=16.79 degrees ! Estimated noise=1.56998 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, 1). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0557786 Jy ! Component: 100 - total flux cleaned = 0.0724569 Jy ! Total flux subtracted in 100 components = 0.0724569 Jy ! Clean residual min=-0.008966 max=0.010647 Jy/beam ! Clean residual mean=0.000057 rms=0.002947 Jy/beam ! Combined flux in latest and established models = 0.0724569 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0724569 Jy ! ! Correcting IF 1. ! A total of 132 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.084276Jy sigma=1.321746 ! Fit after self-cal, rms=0.081824Jy sigma=1.247323 ! Inverting map and beam ! Estimated beam: bmin=7.869 mas, bmaj=12.06 mas, bpa=17.79 degrees ! Estimated noise=1.47165 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=9.978 mas, bmaj=14.21 mas, bpa=17.37 degrees ! Estimated noise=1.04773 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 = 0.0156375 Jy ! Component: 100 - total flux cleaned = 0.0216533 Jy ! Component: 150 - total flux cleaned = 0.0239409 Jy ! Component: 200 - total flux cleaned = 0.0245664 Jy ! Total flux subtracted in 200 components = 0.0245664 Jy ! Clean residual min=-0.004808 max=0.005419 Jy/beam ! Clean residual mean=-0.000099 rms=0.002089 Jy/beam ! Combined flux in latest and established models = 0.0970233 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 58 components and 0.0970233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080103Jy sigma=1.195678 ! Fit after self-cal, rms=0.080078Jy sigma=1.195373 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.978 x 14.21 at 17.37 degrees (North through East) ! Clean map min=-0.0047766 max=0.075867 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: 0.986624 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 1.00* KP 1.00 ! LA 1.15 MK 1.00* NL 0.87 OV 0.99 ! PT 1.08 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=0.080078Jy sigma=1.195373 ! Fit after self-cal, rms=0.080136Jy sigma=1.191890 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=0.080136Jy sigma=1.191890 ! Fit after self-cal, rms=0.080126Jy sigma=1.191666 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.77 mas, bmaj=13.95 mas, bpa=15.09 degrees ! Estimated noise=1.05154 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 = 0.00300459 Jy ! Component: 100 - total flux cleaned = 0.00395314 Jy ! Component: 150 - total flux cleaned = 0.00423045 Jy ! Component: 200 - total flux cleaned = 0.0043722 Jy ! Total flux subtracted in 200 components = 0.0043722 Jy ! Clean residual min=-0.005098 max=0.005339 Jy/beam ! Clean residual mean=-0.000065 rms=0.002080 Jy/beam ! Combined flux in latest and established models = 0.101396 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 0.101396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080088Jy sigma=1.189161 ! Fit after self-cal, rms=0.080072Jy sigma=1.188897 ! 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=0.080072Jy sigma=1.188897 ! Fit after self-cal, rms=0.075217Jy sigma=1.109736 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 = 0.00312433 Jy ! Component: 100 - total flux cleaned = 0.0033593 Jy ! Component: 150 - total flux cleaned = 0.0032315 Jy ! Component: 200 - total flux cleaned = 0.00319501 Jy ! Total flux subtracted in 200 components = 0.00319501 Jy ! Clean residual min=-0.005657 max=0.004662 Jy/beam ! Clean residual mean=-0.000047 rms=0.001970 Jy/beam ! Combined flux in latest and established models = 0.104591 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 84 components and 0.104591 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075040Jy sigma=1.107182 ! Fit after self-cal, rms=0.074847Jy sigma=1.102135 ! 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: 9.77 x 13.95 at 15.09 degrees (North through East) ! Clean map min=-0.0056675 max=0.079149 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=11.12 mas, bmaj=15.03 mas, bpa=16.98 degrees ! Estimated noise=1.07356 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 = -0.000418049 Jy ! Component: 100 - total flux cleaned = -0.000508437 Jy ! Component: 150 - total flux cleaned = -0.000533197 Jy ! Component: 200 - total flux cleaned = -0.000578766 Jy ! Total flux subtracted in 200 components = -0.000578766 Jy ! Clean residual min=-0.006141 max=0.005123 Jy/beam ! Clean residual mean=-0.000044 rms=0.002186 Jy/beam ! Combined flux in latest and established models = 0.104012 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 89 components and 0.104012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074819Jy sigma=1.101802 ! Fit after self-cal, rms=0.074890Jy sigma=1.101110 ! Inverting map uvtaper 0,0 ! 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=7.8 mas, bmaj=12.02 mas, bpa=16.94 degrees ! Estimated noise=1.4617 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0648152 Jy ! Component: 100 - total flux cleaned = 0.0805031 Jy ! Component: 150 - total flux cleaned = 0.0886342 Jy ! Component: 200 - total flux cleaned = 0.0940046 Jy ! Total flux subtracted in 200 components = 0.0940046 Jy ! Clean residual min=-0.005376 max=0.005384 Jy/beam ! Clean residual mean=0.000021 rms=0.001512 Jy/beam ! Combined flux in latest and established models = 0.0940046 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.0940046 Jy ! Inverting map and beam ! Estimated beam: bmin=9.77 mas, bmaj=13.95 mas, bpa=15.09 degrees ! Estimated noise=1.05154 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 = 0.00647014 Jy ! Component: 100 - total flux cleaned = 0.00830837 Jy ! Component: 150 - total flux cleaned = 0.00884905 Jy ! Component: 200 - total flux cleaned = 0.00927251 Jy ! Total flux subtracted in 200 components = 0.00927251 Jy ! Clean residual min=-0.006186 max=0.004802 Jy/beam ! Clean residual mean=-0.000035 rms=0.002017 Jy/beam ! Combined flux in latest and established models = 0.103277 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 52 components and 0.103277 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=11.12 mas, bmaj=15.03 mas, bpa=16.98 degrees ! Estimated noise=1.07356 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 = 0.000404336 Jy ! Component: 100 - total flux cleaned = 0.000522691 Jy ! Component: 150 - total flux cleaned = 0.000556982 Jy ! Component: 200 - total flux cleaned = 0.000622215 Jy ! Total flux subtracted in 200 components = 0.000622215 Jy ! Clean residual min=-0.006455 max=0.005043 Jy/beam ! Clean residual mean=-0.000041 rms=0.002218 Jy/beam ! Combined flux in latest and established models = 0.103899 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 58 components and 0.103899 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.77 mas, bmaj=13.95 mas, bpa=15.09 degrees ! Estimated noise=1.05154 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00015012 Jy ! Component: 100 - total flux cleaned = 0.000152443 Jy ! Component: 150 - total flux cleaned = 0.000152619 Jy ! Component: 200 - total flux cleaned = 9.68439e-05 Jy ! Total flux subtracted in 200 components = 9.68439e-05 Jy ! Clean residual min=-0.005953 max=0.004687 Jy/beam ! Clean residual mean=-0.000037 rms=0.001973 Jy/beam ! Combined flux in latest and established models = 0.103996 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 66 components and 0.103996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074839Jy sigma=1.101283 ! Fit after self-cal, rms=0.074893Jy sigma=1.101085 wmodel J0558-0055_S_2005_06_01_yyk\_map.mod ! Writing 66 model components to file: J0558-0055_S_2005_06_01_yyk_map.mod wobs J0558-0055_S_2005_06_01_yyk\_uvs.fits ! Writing UV FITS file: J0558-0055_S_2005_06_01_yyk_uvs.fits wwins J0558-0055_S_2005_06_01_yyk\_map.win ! wwins: Wrote 1 windows to J0558-0055_S_2005_06_01_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 = -0.00254274 Jy ! Component: 100 - total flux cleaned = -0.0032451 Jy ! Component: 150 - total flux cleaned = -0.00332126 Jy ! Component: 200 - total flux cleaned = -0.00339642 Jy ! Component: 250 - total flux cleaned = -0.00339612 Jy ! Component: 300 - total flux cleaned = -0.00345674 Jy ! Component: 350 - total flux cleaned = -0.00345539 Jy ! Component: 400 - total flux cleaned = -0.00339834 Jy ! Component: 450 - total flux cleaned = -0.0030271 Jy ! Component: 500 - total flux cleaned = -0.00297756 Jy ! Component: 550 - total flux cleaned = -0.00288295 Jy ! Component: 600 - total flux cleaned = -0.00283891 Jy ! Component: 650 - total flux cleaned = -0.0027964 Jy ! Component: 700 - total flux cleaned = -0.00266769 Jy ! Component: 750 - total flux cleaned = -0.00229358 Jy ! Component: 800 - total flux cleaned = -0.0021338 Jy ! Component: 850 - total flux cleaned = -0.00197903 Jy ! Component: 900 - total flux cleaned = -0.00197932 Jy ! Component: 950 - total flux cleaned = -0.00205264 Jy ! Component: 1000 - total flux cleaned = -0.00208748 Jy ! Total flux subtracted in 1024 components = -0.00212204 Jy ! Clean residual min=-0.002030 max=0.002308 Jy/beam ! Clean residual mean=-0.000043 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.101874 Jy keep ! Adding 78 model components to the UV plane model. ! The established model now contains 144 components and 0.101874 Jy ![Exited script file: muppet] wmap "J0558-0055_S_2005_06_01_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.77 x 13.95 at 15.09 degrees (North through East) ! Clean map min=-0.0049523 max=0.079075 Jy/beam ! Writing clean map to FITS file: J0558-0055_S_2005_06_01_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0790745 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000938554 device "J0558-0055_S_2005_06_01_yyk\_map.eps/VPS" ! Attempting to open device: 'J0558-0055_S_2005_06_01_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.56077 3.56077 7.12154 14.2431 28.4862 56.9723 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0028 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.079 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.77 x 13.95 at 15.09 degrees (North through East) ! Clean map min=-0.0049523 max=0.079075 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0558-0055_S_2005_06_01_yyk\_map.gif/gif" ! Attempting to open device: 'J0558-0055_S_2005_06_01_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0558-0055_S_2005_06_01_yyk_uvs.log closed on Sat Oct 8 22:55:31 2005