! Started logfile: J0638+8411_S_2006_02_14_yyk_uvs.log on Wed Jul 5 11:36:20 2006 obs J0638+8411_S_2006_02_14_yyk_uva.fits ! Reading UV FITS file: J0638+8411_S_2006_02_14_yyk_uva.fits ! AN table 1: 873 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.221866 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0638+8411 ! ! 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 2683 lines of history. ! ! Reading 34864 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 J0638+8411_S_2006_02_14_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. uvav time_av, true ! Averaging into 30 second bins. ! 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 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.148986 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=2.091 mas, bmaj=66.83 mas, bpa=20.42 degrees ! Estimated noise=0.832694 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 = 0.0260033 Jy ! Component: 100 - total flux cleaned = 0.0460925 Jy ! Total flux subtracted in 100 components = 0.0460925 Jy ! Clean residual min=-0.005431 max=0.008767 Jy/beam ! Clean residual mean=0.000086 rms=0.003275 Jy/beam ! Combined flux in latest and established models = 0.0460925 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 27 components and 0.0460925 Jy ! ! Correcting IF 1. ! A total of 102 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 102 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 85 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 102 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.117721Jy sigma=2.042291 ! Fit after self-cal, rms=0.117741Jy sigma=2.041614 ! Inverting map and beam ! Estimated beam: bmin=2.091 mas, bmaj=66.83 mas, bpa=20.42 degrees ! Estimated noise=0.832694 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=2.113 mas, bmaj=61.86 mas, bpa=20.26 degrees ! Estimated noise=0.619528 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 = 0.0174136 Jy ! Component: 100 - total flux cleaned = 0.0313711 Jy ! Component: 150 - total flux cleaned = 0.0417501 Jy ! Component: 200 - total flux cleaned = 0.0497119 Jy ! Total flux subtracted in 200 components = 0.0497119 Jy ! Clean residual min=-0.004430 max=0.004508 Jy/beam ! Clean residual mean=-0.000030 rms=0.002448 Jy/beam ! Combined flux in latest and established models = 0.0958044 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 75 model components to the UV plane model. ! The established model now contains 90 components and 0.0958044 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093186Jy sigma=1.498156 ! Fit after self-cal, rms=0.093179Jy sigma=1.497941 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.113 x 61.86 at 20.26 degrees (North through East) ! Clean map min=-0.0050068 max=0.041434 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=0.093179Jy sigma=1.497941 ! Fit after self-cal, rms=0.093179Jy sigma=1.497941 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=0.093179Jy sigma=1.497941 ! Fit after self-cal, rms=0.093184Jy sigma=1.497900 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.113 mas, bmaj=61.86 mas, bpa=20.26 degrees ! Estimated noise=0.619528 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 = 0.00712263 Jy ! Component: 100 - total flux cleaned = 0.0122853 Jy ! Component: 150 - total flux cleaned = 0.0152972 Jy ! Component: 200 - total flux cleaned = 0.0175556 Jy ! Total flux subtracted in 200 components = 0.0175556 Jy ! Clean residual min=-0.002963 max=0.002962 Jy/beam ! Clean residual mean=-0.000037 rms=0.001731 Jy/beam ! Combined flux in latest and established models = 0.11336 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 101 model components to the UV plane model. ! The established model now contains 180 components and 0.11336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084617Jy sigma=1.288450 ! Fit after self-cal, rms=0.084612Jy sigma=1.288282 ! 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=0.084612Jy sigma=1.288282 ! Fit after self-cal, rms=0.080414Jy sigma=1.220320 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 = 0.00425992 Jy ! Component: 100 - total flux cleaned = 0.00641442 Jy ! Component: 150 - total flux cleaned = 0.00799148 Jy ! Component: 200 - total flux cleaned = 0.00926974 Jy ! Total flux subtracted in 200 components = 0.00926975 Jy ! Clean residual min=-0.002124 max=0.002144 Jy/beam ! Clean residual mean=-0.000042 rms=0.001300 Jy/beam ! Combined flux in latest and established models = 0.12263 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 103 model components to the UV plane model. ! The established model now contains 265 components and 0.12263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075023Jy sigma=1.089290 ! Fit after self-cal, rms=0.074368Jy sigma=1.081624 ! 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: 2.113 x 61.86 at 20.26 degrees (North through East) ! Clean map min=-0.0059036 max=0.038885 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=5.197 mas, bmaj=44.12 mas, bpa=20.13 degrees ! Estimated noise=1.57956 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 = -0.000758558 Jy ! Component: 100 - total flux cleaned = -0.00802665 Jy ! Component: 150 - total flux cleaned = -0.0137641 Jy ! Component: 200 - total flux cleaned = -0.0172394 Jy ! Total flux subtracted in 200 components = -0.0172394 Jy ! Clean residual min=-0.002481 max=0.002516 Jy/beam ! Clean residual mean=-0.000027 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 0.10539 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 163 model components to the UV plane model. ! The established model now contains 415 components and 0.10539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065839Jy sigma=0.898546 ! Fit after self-cal, rms=0.065514Jy sigma=0.894463 ! 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=2.091 mas, bmaj=66.83 mas, bpa=20.42 degrees ! Estimated noise=0.832694 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0266931 Jy ! Component: 100 - total flux cleaned = 0.0472509 Jy ! Component: 150 - total flux cleaned = 0.0633237 Jy ! Component: 200 - total flux cleaned = 0.0761462 Jy ! Total flux subtracted in 200 components = 0.0761462 Jy ! Clean residual min=-0.005240 max=0.005758 Jy/beam ! Clean residual mean=0.000094 rms=0.002594 Jy/beam ! Combined flux in latest and established models = 0.0761462 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 61 model components to the UV plane model. ! The established model now contains 61 components and 0.0761462 Jy ! Inverting map and beam ! Estimated beam: bmin=2.113 mas, bmaj=61.86 mas, bpa=20.26 degrees ! Estimated noise=0.619528 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 = 0.0112448 Jy ! Component: 100 - total flux cleaned = 0.0192381 Jy ! Component: 150 - total flux cleaned = 0.0256679 Jy ! Component: 200 - total flux cleaned = 0.0308127 Jy ! Total flux subtracted in 200 components = 0.0308127 Jy ! Clean residual min=-0.003754 max=0.003828 Jy/beam ! Clean residual mean=-0.000034 rms=0.002129 Jy/beam ! Combined flux in latest and established models = 0.106959 Jy ! Adding 104 model components to the UV plane model. ! The established model now contains 156 components and 0.106959 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=5.197 mas, bmaj=44.12 mas, bpa=20.13 degrees ! Estimated noise=1.57956 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 = 0.0193161 Jy ! Component: 100 - total flux cleaned = 0.0111454 Jy ! Component: 150 - total flux cleaned = 0.0052781 Jy ! Component: 200 - total flux cleaned = 0.00221965 Jy ! Total flux subtracted in 200 components = 0.00221965 Jy ! Clean residual min=-0.005695 max=0.005688 Jy/beam ! Clean residual mean=-0.000032 rms=0.002831 Jy/beam ! Combined flux in latest and established models = 0.109179 Jy ! Adding 130 model components to the UV plane model. ! The established model now contains 282 components and 0.109179 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.113 mas, bmaj=61.86 mas, bpa=20.26 degrees ! Estimated noise=0.619528 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00256882 Jy ! Component: 100 - total flux cleaned = -0.00412664 Jy ! Component: 150 - total flux cleaned = -0.00507512 Jy ! Component: 200 - total flux cleaned = -0.00542821 Jy ! Total flux subtracted in 200 components = -0.00542821 Jy ! Clean residual min=-0.000844 max=0.000852 Jy/beam ! Clean residual mean=-0.000020 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.10375 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 314 components and 0.10375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065647Jy sigma=0.898057 ! Fit after self-cal, rms=0.065475Jy sigma=0.896928 wmodel J0638+8411_S_2006_02_14_yyk\_map.mod ! Writing 314 model components to file: J0638+8411_S_2006_02_14_yyk_map.mod wobs J0638+8411_S_2006_02_14_yyk\_uvs.fits ! Writing UV FITS file: J0638+8411_S_2006_02_14_yyk_uvs.fits wwins J0638+8411_S_2006_02_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0638+8411_S_2006_02_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.113 x 61.86 at 20.26 degrees (North through East) ! Clean map min=-0.009375 max=0.027924 Jy/beam ! Writing clean map to FITS file: J0638+8411_S_2006_02_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0279245 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000365246 device "J0638+8411_S_2006_02_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0638+8411_S_2006_02_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -3.92394 3.92394 7.84788 15.6958 31.3915 62.783 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.027 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.113 x 61.86 at 20.26 degrees (North through East) ! Clean map min=-0.009375 max=0.027924 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0638+8411_S_2006_02_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0638+8411_S_2006_02_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0638+8411_S_2006_02_14_yyk_uvs.log closed on Wed Jul 5 11:36:51 2006