! Started logfile: J0601-2736_S_2004_05_27_yyk_uvs.log on Wed Dec 7 01:03:07 2005 obs J0601-2736_S_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J0601-2736_S_2004_05_27_yyk_uve.fits ! AN table 1: 15 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.459259 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0601-2736 ! ! 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 1384 lines of history. ! ! Reading 1240 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 J0601-2736_S_2004_05_27_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 2.00x2.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.121256 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 94 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.929288Jy sigma=14.172944 ! Fit after self-cal, rms=0.921706Jy sigma=14.068559 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=10.02 mas, bmaj=38.66 mas, bpa=21.56 degrees ! Estimated noise=3.42967 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 = 0.0681275 Jy ! Component: 100 - total flux cleaned = 0.0694114 Jy ! Total flux subtracted in 100 components = 0.0694114 Jy ! Clean residual min=-0.011302 max=0.009622 Jy/beam ! Clean residual mean=0.000019 rms=0.003463 Jy/beam ! Combined flux in latest and established models = 0.0694114 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0694114 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088890Jy sigma=1.100700 ! Fit after self-cal, rms=0.088837Jy sigma=1.098438 ! Inverting map 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=12.23 mas, bmaj=48.25 mas, bpa=15.16 degrees ! Estimated noise=1.98617 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 = 0.00754578 Jy ! Component: 100 - total flux cleaned = 0.00869791 Jy ! Component: 150 - total flux cleaned = 0.00932746 Jy ! Component: 200 - total flux cleaned = 0.00963954 Jy ! Total flux subtracted in 200 components = 0.00963954 Jy ! Clean residual min=-0.007260 max=0.005152 Jy/beam ! Clean residual mean=0.000099 rms=0.002049 Jy/beam ! Combined flux in latest and established models = 0.0790509 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 28 components and 0.0790509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088332Jy sigma=1.087000 ! Fit after self-cal, rms=0.088361Jy sigma=1.086861 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 0.973277 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HN 1.00* KP 0.85 ! LA 1.18 MK 1.00* NL 1.00* OV 1.15 ! PT 1.08 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.990262 ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 1.00* KP 0.95 ! LA 1.15 MK 1.00* NL 1.00* OV 1.03 ! PT 0.87 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.992773 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 HN 1.00* KP 1.01 ! LA 1.03 MK 1.00* NL 1.00* OV 1.08 ! PT 1.06 SC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.03763 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.93 HN 1.00* KP 0.87 ! LA 1.00* MK 1.00* NL 1.00* OV 0.84 ! PT 0.99 SC 1.00* ! ! ! Fit before self-cal, rms=0.088361Jy sigma=1.086861 ! Fit after self-cal, rms=0.088191Jy sigma=1.074706 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=0.088191Jy sigma=1.074706 ! Fit after self-cal, rms=0.088251Jy sigma=1.074620 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=12.39 mas, bmaj=49.21 mas, bpa=15.26 degrees ! Estimated noise=1.95426 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 = 0.000195603 Jy ! Component: 100 - total flux cleaned = -0.000172503 Jy ! Component: 150 - total flux cleaned = -0.000356749 Jy ! Component: 200 - total flux cleaned = -0.000573686 Jy ! Total flux subtracted in 200 components = -0.000573686 Jy ! Clean residual min=-0.005093 max=0.003929 Jy/beam ! Clean residual mean=0.000038 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 0.0784772 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 40 components and 0.0784772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088125Jy sigma=1.072900 ! Fit after self-cal, rms=0.088174Jy sigma=1.072710 ! 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=0.088174Jy sigma=1.072710 ! Fit after self-cal, rms=0.077380Jy sigma=0.926691 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 = 0.00540987 Jy ! Component: 100 - total flux cleaned = 0.00462071 Jy ! Component: 150 - total flux cleaned = 0.00381408 Jy ! Component: 200 - total flux cleaned = 0.00305735 Jy ! Total flux subtracted in 200 components = 0.00305735 Jy ! Clean residual min=-0.005996 max=0.003254 Jy/beam ! Clean residual mean=-0.000008 rms=0.001194 Jy/beam ! Combined flux in latest and established models = 0.0815346 Jy ! 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 0.0815346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076701Jy sigma=0.918316 ! Fit after self-cal, rms=0.075441Jy sigma=0.905853 ! 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: 12.39 x 49.21 at 15.26 degrees (North through East) ! Clean map min=-0.0096367 max=0.089587 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=13.13 mas, bmaj=49.53 mas, bpa=14.7 degrees ! Estimated noise=1.96438 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 = -0.000571537 Jy ! Component: 100 - total flux cleaned = -0.00111161 Jy ! Component: 150 - total flux cleaned = -0.00167093 Jy ! Component: 200 - total flux cleaned = -0.0020497 Jy ! Total flux subtracted in 200 components = -0.0020497 Jy ! Clean residual min=-0.005441 max=0.002909 Jy/beam ! Clean residual mean=-0.000018 rms=0.001177 Jy/beam ! Combined flux in latest and established models = 0.0794849 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 54 components and 0.0794849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075306Jy sigma=0.904964 ! Fit after self-cal, rms=0.075136Jy sigma=0.903253 ! 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=10.07 mas, bmaj=38.72 mas, bpa=21.68 degrees ! Estimated noise=3.47894 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0805797 Jy ! Component: 100 - total flux cleaned = 0.0821741 Jy ! Component: 150 - total flux cleaned = 0.0818278 Jy ! Component: 200 - total flux cleaned = 0.0820092 Jy ! Total flux subtracted in 200 components = 0.0820092 Jy ! Clean residual min=-0.009578 max=0.007540 Jy/beam ! Clean residual mean=-0.000030 rms=0.002422 Jy/beam ! Combined flux in latest and established models = 0.0820092 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0820092 Jy ! Inverting map and beam ! Estimated beam: bmin=12.39 mas, bmaj=49.21 mas, bpa=15.26 degrees ! Estimated noise=1.95426 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 = -0.00204166 Jy ! Component: 100 - total flux cleaned = -0.00203668 Jy ! Component: 150 - total flux cleaned = -0.00213619 Jy ! Component: 200 - total flux cleaned = -0.0021786 Jy ! Total flux subtracted in 200 components = -0.0021786 Jy ! Clean residual min=-0.005643 max=0.003529 Jy/beam ! Clean residual mean=-0.000015 rms=0.001234 Jy/beam ! Combined flux in latest and established models = 0.0798306 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 40 components and 0.0798306 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=13.13 mas, bmaj=49.53 mas, bpa=14.7 degrees ! Estimated noise=1.96438 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 = -0.000112629 Jy ! Component: 100 - total flux cleaned = -8.14506e-05 Jy ! Component: 150 - total flux cleaned = -8.02895e-05 Jy ! Component: 200 - total flux cleaned = -0.000160008 Jy ! Total flux subtracted in 200 components = -0.000160008 Jy ! Clean residual min=-0.005164 max=0.003225 Jy/beam ! Clean residual mean=-0.000016 rms=0.001200 Jy/beam ! Combined flux in latest and established models = 0.0796706 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.0796706 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=12.39 mas, bmaj=49.21 mas, bpa=15.26 degrees ! Estimated noise=1.95426 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -2.835e-05 Jy ! Component: 100 - total flux cleaned = -0.000106796 Jy ! Component: 150 - total flux cleaned = -0.000157672 Jy ! Component: 200 - total flux cleaned = -0.000254085 Jy ! Total flux subtracted in 200 components = -0.000254085 Jy ! Clean residual min=-0.005575 max=0.003381 Jy/beam ! Clean residual mean=-0.000015 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 0.0794165 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 55 components and 0.0794165 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074957Jy sigma=0.902576 ! Fit after self-cal, rms=0.074925Jy sigma=0.902141 wmodel J0601-2736_S_2004_05_27_yyk\_map.mod ! Writing 55 model components to file: J0601-2736_S_2004_05_27_yyk_map.mod wobs J0601-2736_S_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J0601-2736_S_2004_05_27_yyk_uvs.fits wwins J0601-2736_S_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J0601-2736_S_2004_05_27_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 = -0.00216745 Jy ! Component: 100 - total flux cleaned = -0.00335611 Jy ! Component: 150 - total flux cleaned = -0.00402936 Jy ! Component: 200 - total flux cleaned = -0.00475949 Jy ! Component: 250 - total flux cleaned = -0.00532779 Jy ! Component: 300 - total flux cleaned = -0.00585451 Jy ! Component: 350 - total flux cleaned = -0.00630033 Jy ! Component: 400 - total flux cleaned = -0.00667915 Jy ! Component: 450 - total flux cleaned = -0.00708136 Jy ! Component: 500 - total flux cleaned = -0.00727554 Jy ! Component: 550 - total flux cleaned = -0.0073864 Jy ! Component: 600 - total flux cleaned = -0.00760134 Jy ! Component: 650 - total flux cleaned = -0.0077064 Jy ! Component: 700 - total flux cleaned = -0.00791006 Jy ! Component: 750 - total flux cleaned = -0.00804209 Jy ! Component: 800 - total flux cleaned = -0.00820294 Jy ! Component: 850 - total flux cleaned = -0.00832869 Jy ! Component: 900 - total flux cleaned = -0.00842072 Jy ! Component: 950 - total flux cleaned = -0.00851078 Jy ! Component: 1000 - total flux cleaned = -0.00862783 Jy ! Total flux subtracted in 1024 components = -0.00865642 Jy ! Clean residual min=-0.002106 max=0.001516 Jy/beam ! Clean residual mean=-0.000010 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.0707601 Jy keep ! Adding 45 model components to the UV plane model. ! The established model now contains 100 components and 0.0707601 Jy ![Exited script file: muppet] wmap "J0601-2736_S_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 12.39 x 49.21 at 15.26 degrees (North through East) ! Clean map min=-0.010558 max=0.089649 Jy/beam ! Writing clean map to FITS file: J0601-2736_S_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0896494 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000608041 device "J0601-2736_S_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J0601-2736_S_2004_05_27_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.03473 2.03473 4.06946 8.13892 16.2778 32.5557 65.1114 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0018 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: 12.39 x 49.21 at 15.26 degrees (North through East) ! Clean map min=-0.010558 max=0.089649 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0601-2736_S_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J0601-2736_S_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0601-2736_S_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:03:08 2005