! Started logfile: J1805-1408_S_2005_06_30_yyk_uvs.log on Sat Oct 8 22:59:57 2005 obs J1805-1408_S_2005_06_30_yyk_uve.fits ! Reading UV FITS file: J1805-1408_S_2005_06_30_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.387135 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1805-1408 ! ! 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 1469 lines of history. ! ! Reading 1324 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 J1805-1408_S_2005_06_30_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)= 0.116187 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=11.08 mas, bmaj=23.98 mas, bpa=35.35 degrees ! Estimated noise=2.08219 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 = 0.0696426 Jy ! Component: 100 - total flux cleaned = 0.0957439 Jy ! Total flux subtracted in 100 components = 0.0957439 Jy ! Clean residual min=-0.009662 max=0.013443 Jy/beam ! Clean residual mean=0.000015 rms=0.003650 Jy/beam ! Combined flux in latest and established models = 0.0957439 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0957439 Jy ! ! Correcting IF 1. ! A total of 81 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 89 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 81 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.074714Jy sigma=1.189322 ! Fit after self-cal, rms=0.073556Jy sigma=1.168542 ! Inverting map and beam ! Estimated beam: bmin=11.08 mas, bmaj=23.98 mas, bpa=35.35 degrees ! Estimated noise=2.08219 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=12.62 mas, bmaj=26.15 mas, bpa=31.24 degrees ! Estimated noise=1.2506 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 = 0.0213127 Jy ! Component: 100 - total flux cleaned = 0.033915 Jy ! Component: 150 - total flux cleaned = 0.0422826 Jy ! Component: 200 - total flux cleaned = 0.0482942 Jy ! Total flux subtracted in 200 components = 0.0482942 Jy ! Clean residual min=-0.005730 max=0.005111 Jy/beam ! Clean residual mean=0.000015 rms=0.001758 Jy/beam ! Combined flux in latest and established models = 0.144038 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 60 components and 0.144038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068530Jy sigma=1.058957 ! Fit after self-cal, rms=0.068512Jy sigma=1.058340 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 12.62 x 26.15 at 31.24 degrees (North through East) ! Clean map min=-0.0055476 max=0.085934 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: 1.00777 ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HN 1.00* KP 1.03 ! LA 1.00 MK 1.00* NL 1.00* OV 0.99 ! 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=0.068512Jy sigma=1.058340 ! Fit after self-cal, rms=0.068421Jy sigma=1.058176 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=0.068421Jy sigma=1.058176 ! Fit after self-cal, rms=0.068414Jy sigma=1.057973 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=12.56 mas, bmaj=26.09 mas, bpa=31.52 degrees ! Estimated noise=1.25049 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 = 0.00486199 Jy ! Component: 100 - total flux cleaned = 0.00846885 Jy ! Component: 150 - total flux cleaned = 0.01123 Jy ! Component: 200 - total flux cleaned = 0.013356 Jy ! Total flux subtracted in 200 components = 0.013356 Jy ! Clean residual min=-0.005263 max=0.004586 Jy/beam ! Clean residual mean=0.000015 rms=0.001396 Jy/beam ! Combined flux in latest and established models = 0.157394 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 74 components and 0.157394 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068091Jy sigma=1.050267 ! Fit after self-cal, rms=0.068090Jy sigma=1.049996 ! 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=0.068090Jy sigma=1.049996 ! Fit after self-cal, rms=0.062297Jy sigma=0.946116 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 = 0.00396554 Jy ! Component: 100 - total flux cleaned = 0.00563695 Jy ! Component: 150 - total flux cleaned = 0.00674472 Jy ! Component: 200 - total flux cleaned = 0.00749908 Jy ! Total flux subtracted in 200 components = 0.00749908 Jy ! Clean residual min=-0.004650 max=0.003804 Jy/beam ! Clean residual mean=0.000019 rms=0.001282 Jy/beam ! Combined flux in latest and established models = 0.164893 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 82 components and 0.164893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061972Jy sigma=0.941934 ! Fit after self-cal, rms=0.061371Jy sigma=0.935390 ! 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: 12.56 x 26.09 at 31.52 degrees (North through East) ! Clean map min=-0.0044769 max=0.089709 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=13.28 mas, bmaj=26.37 mas, bpa=30.69 degrees ! Estimated noise=1.25689 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 = 0.000675086 Jy ! Component: 100 - total flux cleaned = 0.000839352 Jy ! Component: 150 - total flux cleaned = 0.000939496 Jy ! Component: 200 - total flux cleaned = 0.00103362 Jy ! Total flux subtracted in 200 components = 0.00103362 Jy ! Clean residual min=-0.004546 max=0.004151 Jy/beam ! Clean residual mean=0.000020 rms=0.001300 Jy/beam ! Combined flux in latest and established models = 0.165927 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 0.165927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061346Jy sigma=0.935215 ! Fit after self-cal, rms=0.061223Jy sigma=0.934413 ! 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=11.07 mas, bmaj=23.95 mas, bpa=35.45 degrees ! Estimated noise=2.07469 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0740151 Jy ! Component: 100 - total flux cleaned = 0.101368 Jy ! Component: 150 - total flux cleaned = 0.117191 Jy ! Component: 200 - total flux cleaned = 0.128379 Jy ! Total flux subtracted in 200 components = 0.128379 Jy ! Clean residual min=-0.007433 max=0.008802 Jy/beam ! Clean residual mean=0.000018 rms=0.002452 Jy/beam ! Combined flux in latest and established models = 0.128379 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 37 model components to the UV plane model. ! The established model now contains 37 components and 0.128379 Jy ! Inverting map and beam ! Estimated beam: bmin=12.56 mas, bmaj=26.09 mas, bpa=31.52 degrees ! Estimated noise=1.25049 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 = 0.0108463 Jy ! Component: 100 - total flux cleaned = 0.0176483 Jy ! Component: 150 - total flux cleaned = 0.0224623 Jy ! Component: 200 - total flux cleaned = 0.0260498 Jy ! Total flux subtracted in 200 components = 0.0260498 Jy ! Clean residual min=-0.005031 max=0.003839 Jy/beam ! Clean residual mean=0.000017 rms=0.001455 Jy/beam ! Combined flux in latest and established models = 0.154429 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 82 components and 0.154429 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=13.28 mas, bmaj=26.37 mas, bpa=30.69 degrees ! Estimated noise=1.25689 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 = 0.0029176 Jy ! Component: 100 - total flux cleaned = 0.00509729 Jy ! Component: 150 - total flux cleaned = 0.00674546 Jy ! Component: 200 - total flux cleaned = 0.00799842 Jy ! Total flux subtracted in 200 components = 0.00799842 Jy ! Clean residual min=-0.004691 max=0.004186 Jy/beam ! Clean residual mean=0.000019 rms=0.001327 Jy/beam ! Combined flux in latest and established models = 0.162427 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 89 components and 0.162427 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=12.56 mas, bmaj=26.09 mas, bpa=31.52 degrees ! Estimated noise=1.25049 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000925148 Jy ! Component: 100 - total flux cleaned = 0.00134258 Jy ! Component: 150 - total flux cleaned = 0.00166166 Jy ! Component: 200 - total flux cleaned = 0.00185823 Jy ! Total flux subtracted in 200 components = 0.00185823 Jy ! Clean residual min=-0.004682 max=0.003933 Jy/beam ! Clean residual mean=0.000018 rms=0.001282 Jy/beam ! Combined flux in latest and established models = 0.164285 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 98 components and 0.164285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061213Jy sigma=0.934699 ! Fit after self-cal, rms=0.061179Jy sigma=0.934493 wmodel J1805-1408_S_2005_06_30_yyk\_map.mod ! Writing 98 model components to file: J1805-1408_S_2005_06_30_yyk_map.mod wobs J1805-1408_S_2005_06_30_yyk\_uvs.fits ! Writing UV FITS file: J1805-1408_S_2005_06_30_yyk_uvs.fits wwins J1805-1408_S_2005_06_30_yyk\_map.win ! wwins: Wrote 1 windows to J1805-1408_S_2005_06_30_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 = -0.00151592 Jy ! Component: 100 - total flux cleaned = -0.00257627 Jy ! Component: 150 - total flux cleaned = -0.0028744 Jy ! Component: 200 - total flux cleaned = -0.00287379 Jy ! Component: 250 - total flux cleaned = -0.00282294 Jy ! Component: 300 - total flux cleaned = -0.00267764 Jy ! Component: 350 - total flux cleaned = -0.00272266 Jy ! Component: 400 - total flux cleaned = -0.00259429 Jy ! Component: 450 - total flux cleaned = -0.00226952 Jy ! Component: 500 - total flux cleaned = -0.00203569 Jy ! Component: 550 - total flux cleaned = -0.00188494 Jy ! Component: 600 - total flux cleaned = -0.00163249 Jy ! Component: 650 - total flux cleaned = -0.00152693 Jy ! Component: 700 - total flux cleaned = -0.00126162 Jy ! Component: 750 - total flux cleaned = -0.00110389 Jy ! Component: 800 - total flux cleaned = -0.000920449 Jy ! Component: 850 - total flux cleaned = -0.000743531 Jy ! Component: 900 - total flux cleaned = -0.000629535 Jy ! Component: 950 - total flux cleaned = -0.000435143 Jy ! Component: 1000 - total flux cleaned = -0.00022064 Jy ! Total flux subtracted in 1024 components = -6.45105e-05 Jy ! Clean residual min=-0.001759 max=0.001479 Jy/beam ! Clean residual mean=0.000014 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.164221 Jy keep ! Adding 62 model components to the UV plane model. ! The established model now contains 160 components and 0.164221 Jy ![Exited script file: muppet] wmap "J1805-1408_S_2005_06_30_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 12.56 x 26.09 at 31.52 degrees (North through East) ! Clean map min=-0.0037496 max=0.089018 Jy/beam ! Writing clean map to FITS file: J1805-1408_S_2005_06_30_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0890177 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000567747 device "J1805-1408_S_2005_06_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J1805-1408_S_2005_06_30_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.91337 1.91337 3.82675 7.6535 15.307 30.614 61.228 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.089 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 12.56 x 26.09 at 31.52 degrees (North through East) ! Clean map min=-0.0037496 max=0.089018 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1805-1408_S_2005_06_30_yyk\_map.gif/gif" ! Attempting to open device: 'J1805-1408_S_2005_06_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1805-1408_S_2005_06_30_yyk_uvs.log closed on Sat Oct 8 22:59:58 2005