! Started logfile: J2126-0654_S_2005_07_20_yyk_uvs.log on Fri Jan 20 11:27:10 2006 obs J2126-0654_S_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J2126-0654_S_2005_07_20_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.655556 visibilities/baseline/integration-bin. ! Found source: J2126-0654 ! ! 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 1531 lines of history. ! ! Reading 1180 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 J2126-0654_S_2005_07_20_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)= 0.0965437 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=3.267 mas, bmaj=11.34 mas, bpa=-19.21 degrees ! Estimated noise=2.48115 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 = 0.054696 Jy ! Component: 100 - total flux cleaned = 0.0659544 Jy ! Total flux subtracted in 100 components = 0.0659544 Jy ! Clean residual min=-0.009876 max=0.011179 Jy/beam ! Clean residual mean=-0.000029 rms=0.002916 Jy/beam ! Combined flux in latest and established models = 0.0659544 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0659544 Jy ! ! Correcting IF 1. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.068477Jy sigma=1.094044 ! Fit after self-cal, rms=0.066470Jy sigma=1.071502 ! Inverting map and beam ! Estimated beam: bmin=3.253 mas, bmaj=11.37 mas, bpa=-19.28 degrees ! Estimated noise=2.53275 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=4.773 mas, bmaj=12.49 mas, bpa=-14.43 degrees ! Estimated noise=1.59346 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 = 0.0120129 Jy ! Component: 100 - total flux cleaned = 0.0160072 Jy ! Component: 150 - total flux cleaned = 0.0170306 Jy ! Component: 200 - total flux cleaned = 0.0172752 Jy ! Total flux subtracted in 200 components = 0.0172752 Jy ! Clean residual min=-0.005882 max=0.005717 Jy/beam ! Clean residual mean=-0.000199 rms=0.001685 Jy/beam ! Combined flux in latest and established models = 0.0832297 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 34 components and 0.0832296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065377Jy sigma=1.040732 ! Fit after self-cal, rms=0.065289Jy sigma=1.040538 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.773 x 12.49 at -14.43 degrees (North through East) ! Clean map min=-0.0055209 max=0.070237 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: 1.00923 ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.09 HN 1.00* KP 0.94 ! LA 1.06 MK 1.00* NL 0.98 OV 0.95 ! PT 1.01 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=0.065289Jy sigma=1.040538 ! Fit after self-cal, rms=0.065218Jy sigma=1.038745 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=0.065218Jy sigma=1.038745 ! Fit after self-cal, rms=0.065223Jy sigma=1.038730 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.794 mas, bmaj=12.31 mas, bpa=-14.19 degrees ! Estimated noise=1.58288 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 = 0.00063011 Jy ! Component: 100 - total flux cleaned = 0.000745243 Jy ! Component: 150 - total flux cleaned = 0.000849165 Jy ! Component: 200 - total flux cleaned = 0.000804579 Jy ! Total flux subtracted in 200 components = 0.000804579 Jy ! Clean residual min=-0.005400 max=0.005882 Jy/beam ! Clean residual mean=-0.000180 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 0.0840342 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0840342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065102Jy sigma=1.037372 ! Fit after self-cal, rms=0.065075Jy sigma=1.037299 ! 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=0.065075Jy sigma=1.037299 ! Fit after self-cal, rms=0.060380Jy sigma=0.958230 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 = 0.00298814 Jy ! Component: 100 - total flux cleaned = 0.00291653 Jy ! Component: 150 - total flux cleaned = 0.00279875 Jy ! Component: 200 - total flux cleaned = 0.00275117 Jy ! Total flux subtracted in 200 components = 0.00275117 Jy ! Clean residual min=-0.005459 max=0.005330 Jy/beam ! Clean residual mean=-0.000187 rms=0.001641 Jy/beam ! Combined flux in latest and established models = 0.0867854 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 44 components and 0.0867854 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060259Jy sigma=0.954722 ! Fit after self-cal, rms=0.059897Jy sigma=0.948708 ! 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: 4.794 x 12.31 at -14.19 degrees (North through East) ! Clean map min=-0.0048605 max=0.074439 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=9.702 mas, bmaj=16.53 mas, bpa=16.16 degrees ! Estimated noise=1.73638 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 = -0.000491663 Jy ! Component: 100 - total flux cleaned = -0.000389568 Jy ! Component: 150 - total flux cleaned = -0.000294569 Jy ! Component: 200 - total flux cleaned = -0.000374742 Jy ! Total flux subtracted in 200 components = -0.000374742 Jy ! Clean residual min=-0.004860 max=0.005724 Jy/beam ! Clean residual mean=-0.000262 rms=0.001616 Jy/beam ! Combined flux in latest and established models = 0.0864106 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 0.0864107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059873Jy sigma=0.948389 ! Fit after self-cal, rms=0.059872Jy sigma=0.947488 ! 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=3.258 mas, bmaj=11.32 mas, bpa=-19.25 degrees ! Estimated noise=2.52242 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0614373 Jy ! Component: 100 - total flux cleaned = 0.0746319 Jy ! Component: 150 - total flux cleaned = 0.0818968 Jy ! Component: 200 - total flux cleaned = 0.0860947 Jy ! Total flux subtracted in 200 components = 0.0860947 Jy ! Clean residual min=-0.007870 max=0.007404 Jy/beam ! Clean residual mean=-0.000049 rms=0.002162 Jy/beam ! Combined flux in latest and established models = 0.0860947 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0860947 Jy ! Inverting map and beam ! Estimated beam: bmin=4.794 mas, bmaj=12.31 mas, bpa=-14.19 degrees ! Estimated noise=1.58288 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 = 0.00276374 Jy ! Component: 100 - total flux cleaned = 0.0026938 Jy ! Component: 150 - total flux cleaned = 0.00256526 Jy ! Component: 200 - total flux cleaned = 0.0024478 Jy ! Total flux subtracted in 200 components = 0.0024478 Jy ! Clean residual min=-0.005471 max=0.005732 Jy/beam ! Clean residual mean=-0.000208 rms=0.001694 Jy/beam ! Combined flux in latest and established models = 0.0885425 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 33 components and 0.0885425 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=9.702 mas, bmaj=16.53 mas, bpa=16.16 degrees ! Estimated noise=1.73638 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 = -0.00110249 Jy ! Component: 100 - total flux cleaned = -0.00110004 Jy ! Component: 150 - total flux cleaned = -0.00110089 Jy ! Component: 200 - total flux cleaned = -0.00115008 Jy ! Total flux subtracted in 200 components = -0.00115008 Jy ! Clean residual min=-0.005108 max=0.005960 Jy/beam ! Clean residual mean=-0.000279 rms=0.001669 Jy/beam ! Combined flux in latest and established models = 0.0873924 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 42 components and 0.0873924 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.794 mas, bmaj=12.31 mas, bpa=-14.19 degrees ! Estimated noise=1.58288 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000172459 Jy ! Component: 100 - total flux cleaned = 5.84631e-05 Jy ! Component: 150 - total flux cleaned = 6.19667e-05 Jy ! Component: 200 - total flux cleaned = 2.37735e-05 Jy ! Total flux subtracted in 200 components = 2.37735e-05 Jy ! Clean residual min=-0.005148 max=0.005478 Jy/beam ! Clean residual mean=-0.000195 rms=0.001623 Jy/beam ! Combined flux in latest and established models = 0.0874162 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 0.0874162 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059783Jy sigma=0.947019 ! Fit after self-cal, rms=0.059747Jy sigma=0.946503 wmodel J2126-0654_S_2005_07_20_yyk\_map.mod ! Writing 55 model components to file: J2126-0654_S_2005_07_20_yyk_map.mod wobs J2126-0654_S_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J2126-0654_S_2005_07_20_yyk_uvs.fits wwins J2126-0654_S_2005_07_20_yyk\_map.win ! wwins: Wrote 1 windows to J2126-0654_S_2005_07_20_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 = 0.000511956 Jy ! Component: 100 - total flux cleaned = 0.000168994 Jy ! Component: 150 - total flux cleaned = -0.00054199 Jy ! Component: 200 - total flux cleaned = -0.000615606 Jy ! Component: 250 - total flux cleaned = -0.000550092 Jy ! Component: 300 - total flux cleaned = -0.000419578 Jy ! Component: 350 - total flux cleaned = -0.000302473 Jy ! Component: 400 - total flux cleaned = -0.000359051 Jy ! Component: 450 - total flux cleaned = -0.000633037 Jy ! Component: 500 - total flux cleaned = -0.000844532 Jy ! Component: 550 - total flux cleaned = -0.00109948 Jy ! Component: 600 - total flux cleaned = -0.0010011 Jy ! Component: 650 - total flux cleaned = -0.000809693 Jy ! Component: 700 - total flux cleaned = -0.000670753 Jy ! Component: 750 - total flux cleaned = -0.000625704 Jy ! Component: 800 - total flux cleaned = -0.000537131 Jy ! Component: 850 - total flux cleaned = -0.000279852 Jy ! Component: 900 - total flux cleaned = -0.000196515 Jy ! Component: 950 - total flux cleaned = -3.28939e-05 Jy ! Component: 1000 - total flux cleaned = 8.66168e-05 Jy ! Total flux subtracted in 1024 components = 0.000126024 Jy ! Clean residual min=-0.002149 max=0.002468 Jy/beam ! Clean residual mean=-0.000035 rms=0.000827 Jy/beam ! Combined flux in latest and established models = 0.0875422 Jy keep ! Adding 58 model components to the UV plane model. ! The established model now contains 113 components and 0.0875422 Jy ![Exited script file: muppet] wmap "J2126-0654_S_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.794 x 12.31 at -14.19 degrees (North through East) ! Clean map min=-0.0038188 max=0.074826 Jy/beam ! Writing clean map to FITS file: J2126-0654_S_2005_07_20_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0748262 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000821519 device "J2126-0654_S_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J2126-0654_S_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.29371 3.29371 6.58742 13.1748 26.3497 52.6993 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.074 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.794 x 12.31 at -14.19 degrees (North through East) ! Clean map min=-0.0038188 max=0.074826 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2126-0654_S_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J2126-0654_S_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2126-0654_S_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:27:11 2006