! Started logfile: J1825-1718_S_2002_01_31_yyk_uvs.log on Tue Jun 26 23:05:03 2007 obs J1825-1718_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J1825-1718_S_2002_01_31_yyk_uva.fits ! AN table 1: 59 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.555932 visibilities/baseline/integration-bin. ! Found source: J1825-1718 ! ! 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 2.22947e+09 8e+06 1 8e+06 ! 02 2 2.25947e+09 8e+06 1 8e+06 ! 03 3 2.34947e+09 8e+06 1 8e+06 ! 04 4 2.36947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1225 lines of history. ! ! Reading 5904 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 J1825-1718_S_2002_01_31_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 = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.39256 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=2.482 mas, bmaj=6.237 mas, bpa=3.746 degrees ! Estimated noise=2207.86 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=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.092017 Jy ! Component: 100 - total flux cleaned = 0.143801 Jy ! Total flux subtracted in 100 components = 0.143801 Jy ! Clean residual min=-0.023552 max=0.023537 Jy/beam ! Clean residual mean=0.000038 rms=0.008028 Jy/beam ! Combined flux in latest and established models = 0.143801 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 47 components and 0.143801 Jy ! ! Correcting IF 1. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 240 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 144 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.370626Jy sigma=0.002378 ! Fit after self-cal, rms=0.369854Jy sigma=0.002372 ! Inverting map and beam ! Estimated beam: bmin=2.482 mas, bmaj=6.237 mas, bpa=3.746 degrees ! Estimated noise=2207.86 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=3.321 mas, bmaj=7.575 mas, bpa=-4.498 degrees ! Estimated noise=1301.58 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 = 0.0617924 Jy ! Component: 100 - total flux cleaned = 0.0812736 Jy ! Component: 150 - total flux cleaned = 0.0851835 Jy ! Component: 200 - total flux cleaned = 0.0888417 Jy ! Total flux subtracted in 200 components = 0.0888417 Jy ! Clean residual min=-0.008013 max=0.008025 Jy/beam ! Clean residual mean=-0.000033 rms=0.003250 Jy/beam ! Combined flux in latest and established models = 0.232642 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 92 model components to the UV plane model. ! The established model now contains 135 components and 0.232642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.363416Jy sigma=0.002304 ! Fit after self-cal, rms=0.363315Jy sigma=0.002304 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.321 x 7.575 at -4.498 degrees (North through East) ! Clean map min=-0.014228 max=0.060366 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=0.363315Jy sigma=0.002304 ! Fit after self-cal, rms=0.363315Jy sigma=0.002304 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=0.363315Jy sigma=0.002304 ! Fit after self-cal, rms=0.363315Jy sigma=0.002304 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.321 mas, bmaj=7.575 mas, bpa=-4.498 degrees ! Estimated noise=1301.58 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 = 0.00447209 Jy ! Component: 100 - total flux cleaned = 0.00194015 Jy ! Component: 150 - total flux cleaned = -0.00394476 Jy ! Component: 200 - total flux cleaned = -0.00998471 Jy ! Total flux subtracted in 200 components = -0.00998471 Jy ! Clean residual min=-0.004705 max=0.004719 Jy/beam ! Clean residual mean=-0.000082 rms=0.001836 Jy/beam ! Combined flux in latest and established models = 0.222658 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 74 model components to the UV plane model. ! The established model now contains 188 components and 0.222658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362513Jy sigma=0.002297 ! Fit after self-cal, rms=0.362487Jy sigma=0.002297 ! 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=0.362487Jy sigma=0.002297 ! Fit after self-cal, rms=0.360927Jy sigma=0.002285 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 = -0.00160679 Jy ! Component: 100 - total flux cleaned = -0.00381696 Jy ! Component: 150 - total flux cleaned = -0.0058883 Jy ! Component: 200 - total flux cleaned = -0.00928191 Jy ! Total flux subtracted in 200 components = -0.00928191 Jy ! Clean residual min=-0.004565 max=0.004586 Jy/beam ! Clean residual mean=-0.000129 rms=0.001757 Jy/beam ! Combined flux in latest and established models = 0.213376 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 236 components and 0.213376 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.360173Jy sigma=0.002279 ! Fit after self-cal, rms=0.359685Jy sigma=0.002276 ! 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: 3.321 x 7.575 at -4.498 degrees (North through East) ! Clean map min=-0.012697 max=0.055584 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=10.4 mas, bmaj=17.25 mas, bpa=11.55 degrees ! Estimated noise=1661.11 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 = -0.00163091 Jy ! Component: 100 - total flux cleaned = -0.00328963 Jy ! Component: 150 - total flux cleaned = -0.00386911 Jy ! Component: 200 - total flux cleaned = -0.00466363 Jy ! Total flux subtracted in 200 components = -0.00466363 Jy ! Clean residual min=-0.001603 max=0.001593 Jy/beam ! Clean residual mean=-0.000248 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.208712 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 52 model components to the UV plane model. ! The established model now contains 288 components and 0.208712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359575Jy sigma=0.002275 ! Fit after self-cal, rms=0.359471Jy sigma=0.002274 ! 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=2.482 mas, bmaj=6.237 mas, bpa=3.746 degrees ! Estimated noise=2207.86 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.111372 Jy ! Component: 100 - total flux cleaned = 0.156403 Jy ! Component: 150 - total flux cleaned = 0.178177 Jy ! Component: 200 - total flux cleaned = 0.178144 Jy ! Total flux subtracted in 200 components = 0.178144 Jy ! Clean residual min=-0.018859 max=0.018599 Jy/beam ! Clean residual mean=-0.000087 rms=0.007334 Jy/beam ! Combined flux in latest and established models = 0.178144 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 63 model components to the UV plane model. ! The established model now contains 63 components and 0.178144 Jy ! Inverting map and beam ! Estimated beam: bmin=3.321 mas, bmaj=7.575 mas, bpa=-4.498 degrees ! Estimated noise=1301.58 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 = 0.0212412 Jy ! Component: 100 - total flux cleaned = 0.0285468 Jy ! Component: 150 - total flux cleaned = 0.0265954 Jy ! Component: 200 - total flux cleaned = 0.0243896 Jy ! Total flux subtracted in 200 components = 0.0243896 Jy ! Clean residual min=-0.006188 max=0.006156 Jy/beam ! Clean residual mean=-0.000065 rms=0.002263 Jy/beam ! Combined flux in latest and established models = 0.202533 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 124 components and 0.202533 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=10.4 mas, bmaj=17.25 mas, bpa=11.55 degrees ! Estimated noise=1661.11 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 = 0.00443762 Jy ! Component: 100 - total flux cleaned = 0.00341139 Jy ! Component: 150 - total flux cleaned = 0.00189786 Jy ! Component: 200 - total flux cleaned = 0.000562522 Jy ! Total flux subtracted in 200 components = 0.000562522 Jy ! Clean residual min=-0.002253 max=0.002247 Jy/beam ! Clean residual mean=-0.000218 rms=0.001107 Jy/beam ! Combined flux in latest and established models = 0.203096 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 208 components and 0.203096 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.321 mas, bmaj=7.575 mas, bpa=-4.498 degrees ! Estimated noise=1301.58 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00175228 Jy ! Component: 100 - total flux cleaned = -0.00441288 Jy ! Component: 150 - total flux cleaned = -0.00582039 Jy ! Component: 200 - total flux cleaned = -0.00715984 Jy ! Total flux subtracted in 200 components = -0.00715984 Jy ! Clean residual min=-0.004076 max=0.004079 Jy/beam ! Clean residual mean=-0.000128 rms=0.001594 Jy/beam ! Combined flux in latest and established models = 0.195936 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 67 model components to the UV plane model. ! The established model now contains 260 components and 0.195936 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358674Jy sigma=0.002269 ! Fit after self-cal, rms=0.358640Jy sigma=0.002269 wmodel J1825-1718_S_2002_01_31_yyk\_map.mod ! Writing 260 model components to file: J1825-1718_S_2002_01_31_yyk_map.mod wobs J1825-1718_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J1825-1718_S_2002_01_31_yyk_uvs.fits wwins J1825-1718_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1825-1718_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.321 x 7.575 at -4.498 degrees (North through East) ! Clean map min=-0.010794 max=0.048335 Jy/beam ! Writing clean map to FITS file: J1825-1718_S_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0483353 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00160626 device "J1825-1718_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J1825-1718_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -9.96947 9.96947 19.9389 39.8779 79.7557 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0048 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.048 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.321 x 7.575 at -4.498 degrees (North through East) ! Clean map min=-0.010794 max=0.048335 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1825-1718_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J1825-1718_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1825-1718_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 23:05:07 2007