! Started logfile: J1141-1216_S_2005_07_09_yyk_uvs.log on Fri Jan 20 11:24:44 2006 obs J1141-1216_S_2005_07_09_yyk_uve.fits ! Reading UV FITS file: J1141-1216_S_2005_07_09_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.71358 visibilities/baseline/integration-bin. ! Found source: J1141-1216 ! ! 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 1602 lines of history. ! ! Reading 1156 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 J1141-1216_S_2005_07_09_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 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.116883 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=3.442 mas, bmaj=15.64 mas, bpa=21.95 degrees ! Estimated noise=2.62571 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 = 0.0603219 Jy ! Component: 100 - total flux cleaned = 0.081052 Jy ! Total flux subtracted in 100 components = 0.081052 Jy ! Clean residual min=-0.011505 max=0.018492 Jy/beam ! Clean residual mean=0.000020 rms=0.003848 Jy/beam ! Combined flux in latest and established models = 0.081052 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.081052 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 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.085645Jy sigma=1.249464 ! Fit after self-cal, rms=0.079710Jy sigma=1.166571 ! Inverting map and beam ! Estimated beam: bmin=3.442 mas, bmaj=15.64 mas, bpa=21.95 degrees ! Estimated noise=2.62571 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=4.883 mas, bmaj=19.16 mas, bpa=22.03 degrees ! Estimated noise=1.64468 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 = 0.0220554 Jy ! Component: 100 - total flux cleaned = 0.0268219 Jy ! Component: 150 - total flux cleaned = 0.0279061 Jy ! Component: 200 - total flux cleaned = 0.02829 Jy ! Total flux subtracted in 200 components = 0.02829 Jy ! Clean residual min=-0.007179 max=0.007325 Jy/beam ! Clean residual mean=-0.000089 rms=0.001971 Jy/beam ! Combined flux in latest and established models = 0.109342 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 40 components and 0.109342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075931Jy sigma=1.086776 ! Fit after self-cal, rms=0.075929Jy sigma=1.086342 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.883 x 19.16 at 22.03 degrees (North through East) ! Clean map min=-0.0068578 max=0.084801 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=0.075929Jy sigma=1.086342 ! Fit after self-cal, rms=0.075929Jy sigma=1.086342 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=0.075929Jy sigma=1.086342 ! Fit after self-cal, rms=0.075934Jy sigma=1.086342 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.883 mas, bmaj=19.16 mas, bpa=22.03 degrees ! Estimated noise=1.64468 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 = -8.55699e-05 Jy ! Component: 100 - total flux cleaned = -8.37661e-06 Jy ! Component: 150 - total flux cleaned = 0.000119094 Jy ! Component: 200 - total flux cleaned = 0.000121973 Jy ! Total flux subtracted in 200 components = 0.000121973 Jy ! Clean residual min=-0.007119 max=0.007198 Jy/beam ! Clean residual mean=-0.000090 rms=0.001922 Jy/beam ! Combined flux in latest and established models = 0.109464 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 49 components and 0.109464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075880Jy sigma=1.084619 ! Fit after self-cal, rms=0.075850Jy sigma=1.084467 ! 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=0.075850Jy sigma=1.084467 ! Fit after self-cal, rms=0.070593Jy sigma=1.001393 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 = 0.00137141 Jy ! Component: 100 - total flux cleaned = 0.0014816 Jy ! Component: 150 - total flux cleaned = 0.00139917 Jy ! Component: 200 - total flux cleaned = 0.00140205 Jy ! Total flux subtracted in 200 components = 0.00140205 Jy ! Clean residual min=-0.006667 max=0.007083 Jy/beam ! Clean residual mean=-0.000063 rms=0.001731 Jy/beam ! Combined flux in latest and established models = 0.110866 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 55 components and 0.110866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070463Jy sigma=0.996021 ! Fit after self-cal, rms=0.069996Jy sigma=0.990217 ! 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: 4.883 x 19.16 at 22.03 degrees (North through East) ! Clean map min=-0.0064686 max=0.087931 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=10.94 mas, bmaj=20.49 mas, bpa=20.41 degrees ! Estimated noise=1.79287 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 = -0.0003056 Jy ! Component: 100 - total flux cleaned = -0.000491953 Jy ! Component: 150 - total flux cleaned = -0.000556533 Jy ! Component: 200 - total flux cleaned = -0.000588742 Jy ! Total flux subtracted in 200 components = -0.000588742 Jy ! Clean residual min=-0.006621 max=0.006568 Jy/beam ! Clean residual mean=-0.000081 rms=0.001902 Jy/beam ! Combined flux in latest and established models = 0.110277 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 59 components and 0.110277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069989Jy sigma=0.989444 ! Fit after self-cal, rms=0.069925Jy sigma=0.988733 ! 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=3.442 mas, bmaj=15.64 mas, bpa=21.95 degrees ! Estimated noise=2.62571 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0741783 Jy ! Component: 100 - total flux cleaned = 0.0934591 Jy ! Component: 150 - total flux cleaned = 0.101297 Jy ! Component: 200 - total flux cleaned = 0.105991 Jy ! Total flux subtracted in 200 components = 0.105991 Jy ! Clean residual min=-0.008727 max=0.008015 Jy/beam ! Clean residual mean=-0.000031 rms=0.002372 Jy/beam ! Combined flux in latest and established models = 0.105991 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.105991 Jy ! Inverting map and beam ! Estimated beam: bmin=4.883 mas, bmaj=19.16 mas, bpa=22.03 degrees ! Estimated noise=1.64468 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 = 0.00291771 Jy ! Component: 100 - total flux cleaned = 0.00377357 Jy ! Component: 150 - total flux cleaned = 0.00376892 Jy ! Component: 200 - total flux cleaned = 0.00385142 Jy ! Total flux subtracted in 200 components = 0.00385142 Jy ! Clean residual min=-0.006462 max=0.007099 Jy/beam ! Clean residual mean=-0.000057 rms=0.001753 Jy/beam ! Combined flux in latest and established models = 0.109843 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 36 components and 0.109843 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=10.94 mas, bmaj=20.49 mas, bpa=20.41 degrees ! Estimated noise=1.79287 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 = 0.000303394 Jy ! Component: 100 - total flux cleaned = 0.000303125 Jy ! Component: 150 - total flux cleaned = 0.00025916 Jy ! Component: 200 - total flux cleaned = 0.000217611 Jy ! Total flux subtracted in 200 components = 0.000217611 Jy ! Clean residual min=-0.006739 max=0.006654 Jy/beam ! Clean residual mean=-0.000081 rms=0.001918 Jy/beam ! Combined flux in latest and established models = 0.11006 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 44 components and 0.11006 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.883 mas, bmaj=19.16 mas, bpa=22.03 degrees ! Estimated noise=1.64468 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 5.31219e-05 Jy ! Component: 100 - total flux cleaned = -2.86672e-06 Jy ! Component: 150 - total flux cleaned = -1.6899e-06 Jy ! Component: 200 - total flux cleaned = 8.87485e-09 Jy ! Total flux subtracted in 200 components = 8.87485e-09 Jy ! Clean residual min=-0.006310 max=0.007032 Jy/beam ! Clean residual mean=-0.000058 rms=0.001712 Jy/beam ! Combined flux in latest and established models = 0.11006 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 52 components and 0.11006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069955Jy sigma=0.988354 ! Fit after self-cal, rms=0.069941Jy sigma=0.987745 wmodel J1141-1216_S_2005_07_09_yyk\_map.mod ! Writing 52 model components to file: J1141-1216_S_2005_07_09_yyk_map.mod wobs J1141-1216_S_2005_07_09_yyk\_uvs.fits ! Writing UV FITS file: J1141-1216_S_2005_07_09_yyk_uvs.fits wwins J1141-1216_S_2005_07_09_yyk\_map.win ! wwins: Wrote 1 windows to J1141-1216_S_2005_07_09_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 = 0.000653936 Jy ! Component: 100 - total flux cleaned = 0.000656893 Jy ! Component: 150 - total flux cleaned = 7.96938e-05 Jy ! Component: 200 - total flux cleaned = -0.000533536 Jy ! Component: 250 - total flux cleaned = -0.00118123 Jy ! Component: 300 - total flux cleaned = -0.0016561 Jy ! Component: 350 - total flux cleaned = -0.00172124 Jy ! Component: 400 - total flux cleaned = -0.00165881 Jy ! Component: 450 - total flux cleaned = -0.0015401 Jy ! Component: 500 - total flux cleaned = -0.00137124 Jy ! Component: 550 - total flux cleaned = -0.00121147 Jy ! Component: 600 - total flux cleaned = -0.00121187 Jy ! Component: 650 - total flux cleaned = -0.000961341 Jy ! Component: 700 - total flux cleaned = -0.000720696 Jy ! Component: 750 - total flux cleaned = -0.000347305 Jy ! Component: 800 - total flux cleaned = 0.00019718 Jy ! Component: 850 - total flux cleaned = 0.000723665 Jy ! Component: 900 - total flux cleaned = 0.0011935 Jy ! Component: 950 - total flux cleaned = 0.0016115 Jy ! Component: 1000 - total flux cleaned = 0.00197952 Jy ! Total flux subtracted in 1024 components = 0.00206066 Jy ! Clean residual min=-0.002591 max=0.002638 Jy/beam ! Clean residual mean=-0.000027 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 0.112121 Jy keep ! Adding 51 model components to the UV plane model. ! The established model now contains 103 components and 0.112121 Jy ![Exited script file: muppet] wmap "J1141-1216_S_2005_07_09_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.883 x 19.16 at 22.03 degrees (North through East) ! Clean map min=-0.0054881 max=0.089681 Jy/beam ! Writing clean map to FITS file: J1141-1216_S_2005_07_09_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0896815 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000827784 device "J1141-1216_S_2005_07_09_yyk\_map.eps/VPS" ! Attempting to open device: 'J1141-1216_S_2005_07_09_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.76908 2.76908 5.53816 11.0763 22.1526 44.3053 88.6105 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0024 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: 4.883 x 19.16 at 22.03 degrees (North through East) ! Clean map min=-0.0054881 max=0.089681 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1141-1216_S_2005_07_09_yyk\_map.gif/gif" ! Attempting to open device: 'J1141-1216_S_2005_07_09_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1141-1216_S_2005_07_09_yyk_uvs.log closed on Fri Jan 20 11:24:44 2006