! Started logfile: J0847-1754_S_2005_06_01_yyk_uvs.log on Sat Oct 8 22:56:03 2005 obs J0847-1754_S_2005_06_01_yyk_uve.fits ! Reading UV FITS file: J0847-1754_S_2005_06_01_yyk_uve.fits ! AN table 1: 14 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.753968 visibilities/baseline/integration-bin. ! Found source: J0847-1754 ! ! 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 1802 lines of history. ! ! Reading 1900 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 J0847-1754_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 1.50x1.50 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.118777 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=7.605 mas, bmaj=19.59 mas, bpa=18.83 degrees ! Estimated noise=2.782 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 = 0.0670613 Jy ! Component: 100 - total flux cleaned = 0.082101 Jy ! Total flux subtracted in 100 components = 0.082101 Jy ! Clean residual min=-0.017258 max=0.022466 Jy/beam ! Clean residual mean=0.000031 rms=0.005455 Jy/beam ! Combined flux in latest and established models = 0.082101 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 0.082101 Jy ! ! Correcting IF 1. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.081967Jy sigma=1.278072 ! Fit after self-cal, rms=0.076540Jy sigma=1.212428 ! Inverting map and beam ! Estimated beam: bmin=7.605 mas, bmaj=19.59 mas, bpa=18.83 degrees ! Estimated noise=2.782 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=9.365 mas, bmaj=24.66 mas, bpa=19.38 degrees ! Estimated noise=1.28668 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 = 0.0207315 Jy ! Component: 100 - total flux cleaned = 0.0236934 Jy ! Component: 150 - total flux cleaned = 0.0229027 Jy ! Component: 200 - total flux cleaned = 0.0218911 Jy ! Total flux subtracted in 200 components = 0.0218911 Jy ! Clean residual min=-0.005675 max=0.007685 Jy/beam ! Clean residual mean=0.000054 rms=0.002149 Jy/beam ! Combined flux in latest and established models = 0.103992 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 26 components and 0.103992 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072850Jy sigma=1.127154 ! Fit after self-cal, rms=0.072757Jy sigma=1.126101 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.365 x 24.66 at 19.38 degrees (North through East) ! Clean map min=-0.005728 max=0.095318 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: 1.0263 ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 0.97 HN 1.00* KP 0.91 ! LA 1.07 MK 1.00* NL 1.03 OV 0.88 ! PT 1.03 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00969 ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.03 HN 1.00* KP 1.03 ! LA 0.98 MK 1.00* NL 0.94 OV 1.01 ! PT 1.02 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=0.072757Jy sigma=1.126101 ! Fit after self-cal, rms=0.071794Jy sigma=1.119157 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=0.071794Jy sigma=1.119157 ! Fit after self-cal, rms=0.071784Jy sigma=1.118940 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.141 mas, bmaj=24.36 mas, bpa=20.27 degrees ! Estimated noise=1.27564 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 = 0.00176695 Jy ! Component: 100 - total flux cleaned = 0.00143138 Jy ! Component: 150 - total flux cleaned = 0.00105225 Jy ! Component: 200 - total flux cleaned = 0.0006204 Jy ! Total flux subtracted in 200 components = 0.0006204 Jy ! Clean residual min=-0.005236 max=0.007028 Jy/beam ! Clean residual mean=0.000078 rms=0.001930 Jy/beam ! Combined flux in latest and established models = 0.104612 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 37 components and 0.104612 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071512Jy sigma=1.113316 ! Fit after self-cal, rms=0.071467Jy sigma=1.112939 ! 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=0.071467Jy sigma=1.112939 ! Fit after self-cal, rms=0.066917Jy sigma=1.020557 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 = 0.00309667 Jy ! Component: 100 - total flux cleaned = 0.00284896 Jy ! Component: 150 - total flux cleaned = 0.00262232 Jy ! Component: 200 - total flux cleaned = 0.00234684 Jy ! Total flux subtracted in 200 components = 0.00234684 Jy ! Clean residual min=-0.004707 max=0.006447 Jy/beam ! Clean residual mean=0.000063 rms=0.001788 Jy/beam ! Combined flux in latest and established models = 0.106959 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 42 components and 0.106959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066794Jy sigma=1.016268 ! Fit after self-cal, rms=0.066522Jy sigma=1.012202 ! 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: 9.141 x 24.36 at 20.27 degrees (North through East) ! Clean map min=-0.004546 max=0.098578 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=10.24 mas, bmaj=25.26 mas, bpa=19.66 degrees ! Estimated noise=1.29754 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 = 0.00121484 Jy ! Component: 100 - total flux cleaned = 0.0010017 Jy ! Component: 150 - total flux cleaned = 0.000955702 Jy ! Component: 200 - total flux cleaned = 0.000864334 Jy ! Total flux subtracted in 200 components = 0.000864334 Jy ! Clean residual min=-0.004596 max=0.006145 Jy/beam ! Clean residual mean=0.000069 rms=0.001827 Jy/beam ! Combined flux in latest and established models = 0.107824 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 48 components and 0.107824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066473Jy sigma=1.010977 ! Fit after self-cal, rms=0.066417Jy sigma=1.010449 ! 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=7.567 mas, bmaj=19.53 mas, bpa=19.31 degrees ! Estimated noise=2.72312 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0831516 Jy ! Component: 100 - total flux cleaned = 0.0931215 Jy ! Component: 150 - total flux cleaned = 0.0981442 Jy ! Component: 200 - total flux cleaned = 0.0977333 Jy ! Total flux subtracted in 200 components = 0.0977333 Jy ! Clean residual min=-0.009238 max=0.010685 Jy/beam ! Clean residual mean=0.000009 rms=0.003181 Jy/beam ! Combined flux in latest and established models = 0.0977333 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0977333 Jy ! Inverting map and beam ! Estimated beam: bmin=9.141 mas, bmaj=24.36 mas, bpa=20.27 degrees ! Estimated noise=1.27564 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 = 0.00624801 Jy ! Component: 100 - total flux cleaned = 0.00779866 Jy ! Component: 150 - total flux cleaned = 0.00833272 Jy ! Component: 200 - total flux cleaned = 0.00858614 Jy ! Total flux subtracted in 200 components = 0.00858614 Jy ! Clean residual min=-0.004236 max=0.006563 Jy/beam ! Clean residual mean=0.000062 rms=0.001746 Jy/beam ! Combined flux in latest and established models = 0.106319 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 27 components and 0.106319 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=10.24 mas, bmaj=25.26 mas, bpa=19.66 degrees ! Estimated noise=1.29754 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 = 0.00099854 Jy ! Component: 100 - total flux cleaned = 0.00106021 Jy ! Component: 150 - total flux cleaned = 0.00105755 Jy ! Component: 200 - total flux cleaned = 0.00111061 Jy ! Total flux subtracted in 200 components = 0.00111061 Jy ! Clean residual min=-0.004327 max=0.006279 Jy/beam ! Clean residual mean=0.000070 rms=0.001810 Jy/beam ! Combined flux in latest and established models = 0.10743 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 36 components and 0.10743 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.141 mas, bmaj=24.36 mas, bpa=20.27 degrees ! Estimated noise=1.27564 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000739269 Jy ! Component: 100 - total flux cleaned = -0.000793126 Jy ! Component: 150 - total flux cleaned = -0.000795063 Jy ! Component: 200 - total flux cleaned = -0.000795616 Jy ! Total flux subtracted in 200 components = -0.000795616 Jy ! Clean residual min=-0.004264 max=0.006117 Jy/beam ! Clean residual mean=0.000060 rms=0.001677 Jy/beam ! Combined flux in latest and established models = 0.106634 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 49 components and 0.106634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066270Jy sigma=1.008370 ! Fit after self-cal, rms=0.066262Jy sigma=1.008091 wmodel J0847-1754_S_2005_06_01_yyk\_map.mod ! Writing 49 model components to file: J0847-1754_S_2005_06_01_yyk_map.mod wobs J0847-1754_S_2005_06_01_yyk\_uvs.fits ! Writing UV FITS file: J0847-1754_S_2005_06_01_yyk_uvs.fits wwins J0847-1754_S_2005_06_01_yyk\_map.win ! wwins: Wrote 1 windows to J0847-1754_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 = 0.00258837 Jy ! Component: 100 - total flux cleaned = 0.00436544 Jy ! Component: 150 - total flux cleaned = 0.00500891 Jy ! Component: 200 - total flux cleaned = 0.00547432 Jy ! Component: 250 - total flux cleaned = 0.00603518 Jy ! Component: 300 - total flux cleaned = 0.00650747 Jy ! Component: 350 - total flux cleaned = 0.00701085 Jy ! Component: 400 - total flux cleaned = 0.00722338 Jy ! Component: 450 - total flux cleaned = 0.00757903 Jy ! Component: 500 - total flux cleaned = 0.00772335 Jy ! Component: 550 - total flux cleaned = 0.00781654 Jy ! Component: 600 - total flux cleaned = 0.0077242 Jy ! Component: 650 - total flux cleaned = 0.0074227 Jy ! Component: 700 - total flux cleaned = 0.00721577 Jy ! Component: 750 - total flux cleaned = 0.00693758 Jy ! Component: 800 - total flux cleaned = 0.00670677 Jy ! Component: 850 - total flux cleaned = 0.00640937 Jy ! Component: 900 - total flux cleaned = 0.00622843 Jy ! Component: 950 - total flux cleaned = 0.00594806 Jy ! Component: 1000 - total flux cleaned = 0.00581172 Jy ! Total flux subtracted in 1024 components = 0.00587874 Jy ! Clean residual min=-0.001674 max=0.002130 Jy/beam ! Clean residual mean=0.000014 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.112513 Jy keep ! Adding 78 model components to the UV plane model. ! The established model now contains 127 components and 0.112513 Jy ![Exited script file: muppet] wmap "J0847-1754_S_2005_06_01_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.141 x 24.36 at 20.27 degrees (North through East) ! Clean map min=-0.0032661 max=0.098368 Jy/beam ! Writing clean map to FITS file: J0847-1754_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 0.0983682 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000772922 device "J0847-1754_S_2005_06_01_yyk\_map.eps/VPS" ! Attempting to open device: 'J0847-1754_S_2005_06_01_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.35723 2.35723 4.71447 9.42893 18.8579 37.7157 75.4314 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.098 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.141 x 24.36 at 20.27 degrees (North through East) ! Clean map min=-0.0032661 max=0.098368 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0847-1754_S_2005_06_01_yyk\_map.gif/gif" ! Attempting to open device: 'J0847-1754_S_2005_06_01_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0847-1754_S_2005_06_01_yyk_uvs.log closed on Sat Oct 8 22:56:04 2005