! Started logfile: J0853-0150_X_2005_06_30_yyk_uvs.log on Sat Oct 8 22:56:04 2005 obs J0853-0150_X_2005_06_30_yyk_uve.fits ! Reading UV FITS file: J0853-0150_X_2005_06_30_yyk_uve.fits ! AN table 1: 14 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.434921 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0853-0150 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1460 lines of history. ! ! Reading 1096 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 J0853-0150_X_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 0.600x0.600 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.0943975 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=2.33 mas, bmaj=3.723 mas, bpa=9.059 degrees ! Estimated noise=3.42536 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 = 0.0427713 Jy ! Component: 100 - total flux cleaned = 0.0481671 Jy ! Total flux subtracted in 100 components = 0.0481671 Jy ! Clean residual min=-0.013707 max=0.016137 Jy/beam ! Clean residual mean=0.000056 rms=0.003930 Jy/beam ! Combined flux in latest and established models = 0.0481671 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0481671 Jy ! ! Correcting IF 1. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 67 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 128 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 112 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.075289Jy sigma=1.121806 ! Fit after self-cal, rms=0.072295Jy sigma=1.083342 ! Inverting map and beam ! Estimated beam: bmin=2.33 mas, bmaj=3.723 mas, bpa=9.059 degrees ! Estimated noise=3.42536 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=2.464 mas, bmaj=4.047 mas, bpa=18.81 degrees ! Estimated noise=1.78237 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 = 0.0164614 Jy ! Component: 100 - total flux cleaned = 0.0178362 Jy ! Component: 150 - total flux cleaned = 0.0178331 Jy ! Component: 200 - total flux cleaned = 0.017715 Jy ! Total flux subtracted in 200 components = 0.017715 Jy ! Clean residual min=-0.005965 max=0.005496 Jy/beam ! Clean residual mean=-0.000009 rms=0.001691 Jy/beam ! Combined flux in latest and established models = 0.065882 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 0.065882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070029Jy sigma=1.018365 ! Fit after self-cal, rms=0.070034Jy sigma=1.018245 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.464 x 4.047 at 18.81 degrees (North through East) ! Clean map min=-0.0055295 max=0.063796 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: 1.01536 ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.97 HN 1.00* KP 0.91 ! LA 0.96 MK 1.00* NL 1.05 OV 1.10 ! PT 1.02 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=0.070034Jy sigma=1.018245 ! Fit after self-cal, rms=0.070038Jy sigma=1.012105 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=0.070038Jy sigma=1.012105 ! Fit after self-cal, rms=0.070034Jy sigma=1.012083 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.388 mas, bmaj=4.066 mas, bpa=23.01 degrees ! Estimated noise=1.74567 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 = -0.00155326 Jy ! Component: 100 - total flux cleaned = -0.00178628 Jy ! Component: 150 - total flux cleaned = -0.00191965 Jy ! Component: 200 - total flux cleaned = -0.00197791 Jy ! Total flux subtracted in 200 components = -0.00197791 Jy ! Clean residual min=-0.005284 max=0.005214 Jy/beam ! Clean residual mean=-0.000007 rms=0.001452 Jy/beam ! Combined flux in latest and established models = 0.0639041 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 18 components and 0.0639041 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069934Jy sigma=1.008984 ! Fit after self-cal, rms=0.069937Jy sigma=1.008849 ! 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=0.069937Jy sigma=1.008849 ! Fit after self-cal, rms=0.066019Jy sigma=0.927650 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 = 0.00274582 Jy ! Component: 100 - total flux cleaned = 0.00261167 Jy ! Component: 150 - total flux cleaned = 0.00230848 Jy ! Component: 200 - total flux cleaned = 0.00203535 Jy ! Total flux subtracted in 200 components = 0.00203535 Jy ! Clean residual min=-0.004586 max=0.005018 Jy/beam ! Clean residual mean=-0.000004 rms=0.001325 Jy/beam ! Combined flux in latest and established models = 0.0659395 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 24 components and 0.0659395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065912Jy sigma=0.923834 ! Fit after self-cal, rms=0.065678Jy sigma=0.918641 ! 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: 2.388 x 4.066 at 23.01 degrees (North through East) ! Clean map min=-0.0040156 max=0.067457 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 = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.854 mas, bmaj=4.328 mas, bpa=19.94 degrees ! Estimated noise=1.80233 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 = 0.000508857 Jy ! Component: 100 - total flux cleaned = 0.000356842 Jy ! Component: 150 - total flux cleaned = 0.000216879 Jy ! Component: 200 - total flux cleaned = 0.000119291 Jy ! Total flux subtracted in 200 components = 0.000119291 Jy ! Clean residual min=-0.004317 max=0.005042 Jy/beam ! Clean residual mean=-0.000005 rms=0.001256 Jy/beam ! Combined flux in latest and established models = 0.0660587 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 26 components and 0.0660587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065669Jy sigma=0.917649 ! Fit after self-cal, rms=0.065599Jy sigma=0.917021 ! 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=2.313 mas, bmaj=3.692 mas, bpa=11.45 degrees ! Estimated noise=3.37748 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0527995 Jy ! Component: 100 - total flux cleaned = 0.0608896 Jy ! Component: 150 - total flux cleaned = 0.062107 Jy ! Component: 200 - total flux cleaned = 0.0619336 Jy ! Total flux subtracted in 200 components = 0.0619336 Jy ! Clean residual min=-0.009425 max=0.010356 Jy/beam ! Clean residual mean=0.000031 rms=0.002945 Jy/beam ! Combined flux in latest and established models = 0.0619336 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0619336 Jy ! Inverting map and beam ! Estimated beam: bmin=2.388 mas, bmaj=4.066 mas, bpa=23.01 degrees ! Estimated noise=1.74567 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 = 0.00561844 Jy ! Component: 100 - total flux cleaned = 0.00562257 Jy ! Component: 150 - total flux cleaned = 0.00575331 Jy ! Component: 200 - total flux cleaned = 0.00554482 Jy ! Total flux subtracted in 200 components = 0.00554482 Jy ! Clean residual min=-0.005022 max=0.005279 Jy/beam ! Clean residual mean=-0.000007 rms=0.001483 Jy/beam ! Combined flux in latest and established models = 0.0674784 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 22 components and 0.0674784 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.854 mas, bmaj=4.328 mas, bpa=19.94 degrees ! Estimated noise=1.80233 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 = -0.000164423 Jy ! Component: 100 - total flux cleaned = -0.000297875 Jy ! Component: 150 - total flux cleaned = -0.000420363 Jy ! Component: 200 - total flux cleaned = -0.000634584 Jy ! Total flux subtracted in 200 components = -0.000634584 Jy ! Clean residual min=-0.004461 max=0.004954 Jy/beam ! Clean residual mean=-0.000008 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 0.0668438 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 26 components and 0.0668438 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.388 mas, bmaj=4.066 mas, bpa=23.01 degrees ! Estimated noise=1.74567 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000441185 Jy ! Component: 100 - total flux cleaned = -0.00068761 Jy ! Component: 150 - total flux cleaned = -0.000857772 Jy ! Component: 200 - total flux cleaned = -0.00107218 Jy ! Total flux subtracted in 200 components = -0.00107218 Jy ! Clean residual min=-0.004491 max=0.004762 Jy/beam ! Clean residual mean=-0.000004 rms=0.001277 Jy/beam ! Combined flux in latest and established models = 0.0657716 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 27 components and 0.0657716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065517Jy sigma=0.916415 ! Fit after self-cal, rms=0.065478Jy sigma=0.916108 wmodel J0853-0150_X_2005_06_30_yyk\_map.mod ! Writing 27 model components to file: J0853-0150_X_2005_06_30_yyk_map.mod wobs J0853-0150_X_2005_06_30_yyk\_uvs.fits ! Writing UV FITS file: J0853-0150_X_2005_06_30_yyk_uvs.fits wwins J0853-0150_X_2005_06_30_yyk\_map.win ! wwins: Wrote 1 windows to J0853-0150_X_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 = 0.00046363 Jy ! Component: 100 - total flux cleaned = 0.000599463 Jy ! Component: 150 - total flux cleaned = 0.000862021 Jy ! Component: 200 - total flux cleaned = 0.00110181 Jy ! Component: 250 - total flux cleaned = 0.00115633 Jy ! Component: 300 - total flux cleaned = 0.00126311 Jy ! Component: 350 - total flux cleaned = 0.00121579 Jy ! Component: 400 - total flux cleaned = 0.00121517 Jy ! Component: 450 - total flux cleaned = 0.00130033 Jy ! Component: 500 - total flux cleaned = 0.00134108 Jy ! Component: 550 - total flux cleaned = 0.0013804 Jy ! Component: 600 - total flux cleaned = 0.00149172 Jy ! Component: 650 - total flux cleaned = 0.00152651 Jy ! Component: 700 - total flux cleaned = 0.0014915 Jy ! Component: 750 - total flux cleaned = 0.00152465 Jy ! Component: 800 - total flux cleaned = 0.00152459 Jy ! Component: 850 - total flux cleaned = 0.00158833 Jy ! Component: 900 - total flux cleaned = 0.00168157 Jy ! Component: 950 - total flux cleaned = 0.00177296 Jy ! Component: 1000 - total flux cleaned = 0.00192212 Jy ! Total flux subtracted in 1024 components = 0.00195146 Jy ! Clean residual min=-0.001465 max=0.001521 Jy/beam ! Clean residual mean=-0.000003 rms=0.000518 Jy/beam ! Combined flux in latest and established models = 0.0677231 Jy keep ! Adding 46 model components to the UV plane model. ! The established model now contains 73 components and 0.0677231 Jy ![Exited script file: muppet] wmap "J0853-0150_X_2005_06_30_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.388 x 4.066 at 23.01 degrees (North through East) ! Clean map min=-0.0045737 max=0.067041 Jy/beam ! Writing clean map to FITS file: J0853-0150_X_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 0.067041 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000522509 device "J0853-0150_X_2005_06_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J0853-0150_X_2005_06_30_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.33816 2.33816 4.67632 9.35264 18.7053 37.4106 74.8212 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.067 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.388 x 4.066 at 23.01 degrees (North through East) ! Clean map min=-0.0045737 max=0.067041 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0853-0150_X_2005_06_30_yyk\_map.gif/gif" ! Attempting to open device: 'J0853-0150_X_2005_06_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0853-0150_X_2005_06_30_yyk_uvs.log closed on Sat Oct 8 22:56:05 2005