! Started logfile: J1804-3017_S_2004_05_27_yyk_uvs.log on Wed Dec 7 01:04:39 2005 obs J1804-3017_S_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1804-3017_S_2004_05_27_yyk_uve.fits ! AN table 1: 7 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.390476 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1804-3017 ! ! 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 1383 lines of history. ! ! Reading 492 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 J1804-3017_S_2004_05_27_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 2.00x2.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.119203 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! 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 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 35 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 35 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.911794Jy sigma=16.746986 ! Fit after self-cal, rms=0.909514Jy sigma=16.732625 ! 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 ! Estimated beam: bmin=9.38 mas, bmaj=31.09 mas, bpa=4.884 degrees ! Estimated noise=3.67546 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 = 0.0763664 Jy ! Component: 100 - total flux cleaned = 0.0955811 Jy ! Total flux subtracted in 100 components = 0.0955811 Jy ! Clean residual min=-0.011577 max=0.012227 Jy/beam ! Clean residual mean=-0.000067 rms=0.003455 Jy/beam ! Combined flux in latest and established models = 0.0955812 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0955812 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072542Jy sigma=1.192305 ! Fit after self-cal, rms=0.072534Jy sigma=1.191911 ! Inverting map 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=11.83 mas, bmaj=36.1 mas, bpa=14.58 degrees ! Estimated noise=1.96337 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 = 0.0190109 Jy ! Component: 100 - total flux cleaned = 0.0279777 Jy ! Component: 150 - total flux cleaned = 0.0332178 Jy ! Component: 200 - total flux cleaned = 0.036507 Jy ! Total flux subtracted in 200 components = 0.036507 Jy ! Clean residual min=-0.009974 max=0.008209 Jy/beam ! Clean residual mean=0.000011 rms=0.002530 Jy/beam ! Combined flux in latest and established models = 0.132088 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 42 components and 0.132088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070331Jy sigma=1.118916 ! Fit after self-cal, rms=0.070311Jy sigma=1.117810 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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=0.070311Jy sigma=1.117810 ! Fit after self-cal, rms=0.070311Jy sigma=1.117810 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=0.070311Jy sigma=1.117810 ! Fit after self-cal, rms=0.070313Jy sigma=1.117809 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=11.83 mas, bmaj=36.1 mas, bpa=14.58 degrees ! Estimated noise=1.96337 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 = 0.00300607 Jy ! Component: 100 - total flux cleaned = 0.00472791 Jy ! Component: 150 - total flux cleaned = 0.00562097 Jy ! Component: 200 - total flux cleaned = 0.00591281 Jy ! Total flux subtracted in 200 components = 0.0059128 Jy ! Clean residual min=-0.009590 max=0.007827 Jy/beam ! Clean residual mean=0.000023 rms=0.002422 Jy/beam ! Combined flux in latest and established models = 0.138001 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 50 components and 0.138001 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070245Jy sigma=1.115616 ! Fit after self-cal, rms=0.070273Jy sigma=1.115227 ! 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=0.070273Jy sigma=1.115227 ! Fit after self-cal, rms=0.065492Jy sigma=1.021295 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 = 0.00365065 Jy ! Component: 100 - total flux cleaned = 0.00459227 Jy ! Component: 150 - total flux cleaned = 0.0048314 Jy ! Component: 200 - total flux cleaned = 0.00505278 Jy ! Total flux subtracted in 200 components = 0.00505278 Jy ! Clean residual min=-0.008530 max=0.007519 Jy/beam ! Clean residual mean=0.000025 rms=0.002263 Jy/beam ! Combined flux in latest and established models = 0.143054 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 0.143054 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065142Jy sigma=1.018143 ! Fit after self-cal, rms=0.064959Jy sigma=1.011347 ! 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: 11.83 x 36.1 at 14.58 degrees (North through East) ! Clean map min=-0.008159 max=0.097809 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=12.57 mas, bmaj=37.38 mas, bpa=15.63 degrees ! Estimated noise=1.97504 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 = 0.000636503 Jy ! Component: 100 - total flux cleaned = 0.000719521 Jy ! Component: 150 - total flux cleaned = 0.000755482 Jy ! Component: 200 - total flux cleaned = 0.000829419 Jy ! Total flux subtracted in 200 components = 0.000829419 Jy ! Clean residual min=-0.008533 max=0.006962 Jy/beam ! Clean residual mean=0.000028 rms=0.002167 Jy/beam ! Combined flux in latest and established models = 0.143883 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 62 components and 0.143883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064891Jy sigma=1.010645 ! Fit after self-cal, rms=0.064899Jy sigma=1.009891 ! 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=9.38 mas, bmaj=31.09 mas, bpa=4.884 degrees ! Estimated noise=3.67546 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0788357 Jy ! Component: 100 - total flux cleaned = 0.100714 Jy ! Component: 150 - total flux cleaned = 0.112531 Jy ! Component: 200 - total flux cleaned = 0.120036 Jy ! Total flux subtracted in 200 components = 0.120036 Jy ! Clean residual min=-0.009205 max=0.008969 Jy/beam ! Clean residual mean=-0.000040 rms=0.002718 Jy/beam ! Combined flux in latest and established models = 0.120036 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 0.120036 Jy ! Inverting map and beam ! Estimated beam: bmin=11.83 mas, bmaj=36.1 mas, bpa=14.58 degrees ! Estimated noise=1.96337 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 = 0.0141151 Jy ! Component: 100 - total flux cleaned = 0.0196499 Jy ! Component: 150 - total flux cleaned = 0.0215745 Jy ! Component: 200 - total flux cleaned = 0.0226561 Jy ! Total flux subtracted in 200 components = 0.0226561 Jy ! Clean residual min=-0.008384 max=0.007342 Jy/beam ! Clean residual mean=0.000021 rms=0.002216 Jy/beam ! Combined flux in latest and established models = 0.142692 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 47 components and 0.142692 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=12.57 mas, bmaj=37.38 mas, bpa=15.63 degrees ! Estimated noise=1.97504 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 = 0.00104172 Jy ! Component: 100 - total flux cleaned = 0.00143186 Jy ! Component: 150 - total flux cleaned = 0.00168436 Jy ! Component: 200 - total flux cleaned = 0.00184295 Jy ! Total flux subtracted in 200 components = 0.00184295 Jy ! Clean residual min=-0.008504 max=0.006852 Jy/beam ! Clean residual mean=0.000028 rms=0.002134 Jy/beam ! Combined flux in latest and established models = 0.144535 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 54 components and 0.144535 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=11.83 mas, bmaj=36.1 mas, bpa=14.58 degrees ! Estimated noise=1.96337 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000142207 Jy ! Component: 100 - total flux cleaned = -4.73136e-05 Jy ! Component: 150 - total flux cleaned = -1.88213e-05 Jy ! Component: 200 - total flux cleaned = 8.42942e-06 Jy ! Total flux subtracted in 200 components = 8.42942e-06 Jy ! Clean residual min=-0.008453 max=0.006887 Jy/beam ! Clean residual mean=0.000024 rms=0.002158 Jy/beam ! Combined flux in latest and established models = 0.144544 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 57 components and 0.144544 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064598Jy sigma=1.008964 ! Fit after self-cal, rms=0.064502Jy sigma=1.007579 wmodel J1804-3017_S_2004_05_27_yyk\_map.mod ! Writing 57 model components to file: J1804-3017_S_2004_05_27_yyk_map.mod wobs J1804-3017_S_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1804-3017_S_2004_05_27_yyk_uvs.fits wwins J1804-3017_S_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J1804-3017_S_2004_05_27_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 = -0.00212485 Jy ! Component: 100 - total flux cleaned = -0.00293059 Jy ! Component: 150 - total flux cleaned = -0.00277 Jy ! Component: 200 - total flux cleaned = -0.0015486 Jy ! Component: 250 - total flux cleaned = -0.000428593 Jy ! Component: 300 - total flux cleaned = 0.000406551 Jy ! Component: 350 - total flux cleaned = 0.00111867 Jy ! Component: 400 - total flux cleaned = 0.00106277 Jy ! Component: 450 - total flux cleaned = 0.000855244 Jy ! Component: 500 - total flux cleaned = 0.000611836 Jy ! Component: 550 - total flux cleaned = 0.00023596 Jy ! Component: 600 - total flux cleaned = -0.000261603 Jy ! Component: 650 - total flux cleaned = -0.000522274 Jy ! Component: 700 - total flux cleaned = -0.000814355 Jy ! Component: 750 - total flux cleaned = -0.00101513 Jy ! Component: 800 - total flux cleaned = -0.00124764 Jy ! Component: 850 - total flux cleaned = -0.0014335 Jy ! Component: 900 - total flux cleaned = -0.0015064 Jy ! Component: 950 - total flux cleaned = -0.0016129 Jy ! Component: 1000 - total flux cleaned = -0.001682 Jy ! Total flux subtracted in 1024 components = -0.00168211 Jy ! Clean residual min=-0.002151 max=0.002234 Jy/beam ! Clean residual mean=-0.000006 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.142862 Jy keep ! Adding 55 model components to the UV plane model. ! The established model now contains 112 components and 0.142862 Jy ![Exited script file: muppet] wmap "J1804-3017_S_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.83 x 36.1 at 14.58 degrees (North through East) ! Clean map min=-0.0064948 max=0.097716 Jy/beam ! Writing clean map to FITS file: J1804-3017_S_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0977163 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000706761 device "J1804-3017_S_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1804-3017_S_2004_05_27_yyk_map.eps/VPS' loglevs 2*100*3*image_rms/peak_flux ! The new contour levels are: ! -4.33967 4.33967 8.67935 17.3587 34.7174 69.4348 print "clev=",int(2*3*image_rms*10000)/10000 ! clev= 0.0042 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.097 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.83 x 36.1 at 14.58 degrees (North through East) ! Clean map min=-0.0064948 max=0.097716 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1804-3017_S_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1804-3017_S_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1804-3017_S_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:04:40 2005