! Started logfile: J0013+7748_S_2006_02_23_yyk_uvs.log on Wed Jul 5 10:56:33 2006 obs J0013+7748_S_2006_02_23_yyk_uva.fits ! Reading UV FITS file: J0013+7748_S_2006_02_23_yyk_uva.fits ! AN table 1: 877 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.133029 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0013+7748 ! ! 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 2423 lines of history. ! ! Reading 21000 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 J0013+7748_S_2006_02_23_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)= 0.192462 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=19.55 mas, bmaj=40.83 mas, bpa=-4.074 degrees ! Estimated noise=2.46062 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 = 0.126013 Jy ! Component: 100 - total flux cleaned = 0.156126 Jy ! Total flux subtracted in 100 components = 0.156126 Jy ! Clean residual min=-0.023443 max=0.023669 Jy/beam ! Clean residual mean=0.001894 rms=0.014068 Jy/beam ! Combined flux in latest and established models = 0.156126 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 38 model components to the UV plane model. ! The established model now contains 38 components and 0.156126 Jy ! ! Correcting IF 1. ! A total of 96 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 96 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 96 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 160 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.088799Jy sigma=1.869202 ! Fit after self-cal, rms=0.088683Jy sigma=1.867345 ! Inverting map and beam ! Estimated beam: bmin=19.55 mas, bmaj=40.83 mas, bpa=-4.074 degrees ! Estimated noise=2.46062 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=22.85 mas, bmaj=39.68 mas, bpa=-7.586 degrees ! Estimated noise=2.0557 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 = -0.0454312 Jy ! Component: 100 - total flux cleaned = -0.0919604 Jy ! Component: 150 - total flux cleaned = -0.132966 Jy ! Component: 200 - total flux cleaned = -0.161128 Jy ! Total flux subtracted in 200 components = -0.161128 Jy ! Clean residual min=-0.018341 max=0.017388 Jy/beam ! Clean residual mean=-0.001376 rms=0.006872 Jy/beam ! Combined flux in latest and established models = -0.00500146 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 88 components and -0.00500146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062327Jy sigma=1.171596 ! Fit after self-cal, rms=0.062189Jy sigma=1.167410 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 22.85 x 39.68 at -7.586 degrees (North through East) ! Clean map min=-0.054845 max=0.089422 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: 0.982516 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.16 HN 1.00* KP 1.04 ! LA 0.99 MK 1.00* NL 1.00* OV 1.00* ! PT 0.99 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: 0.995132 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.06 HN 1.00* KP 0.98 ! LA 0.98 MK 1.00* NL 1.00* OV 1.00* ! PT 1.03 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.062189Jy sigma=1.167410 ! Fit after self-cal, rms=0.063090Jy sigma=1.155451 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=0.063090Jy sigma=1.155451 ! Fit after self-cal, rms=0.063105Jy sigma=1.155808 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=23.1 mas, bmaj=40.17 mas, bpa=-10.23 degrees ! Estimated noise=2.08528 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 = -0.0146017 Jy ! Component: 100 - total flux cleaned = -0.0131883 Jy ! Component: 150 - total flux cleaned = -0.0151723 Jy ! Component: 200 - total flux cleaned = -0.0163997 Jy ! Total flux subtracted in 200 components = -0.0163997 Jy ! Clean residual min=-0.007899 max=0.008184 Jy/beam ! Clean residual mean=-0.000263 rms=0.003850 Jy/beam ! Combined flux in latest and established models = -0.0214011 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 115 components and -0.0214011 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060543Jy sigma=1.123470 ! Fit after self-cal, rms=0.060340Jy sigma=1.116286 ! 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=0.060340Jy sigma=1.116286 ! Fit after self-cal, rms=0.052091Jy sigma=0.939064 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 = -0.00481313 Jy ! Component: 100 - total flux cleaned = -0.00417054 Jy ! Component: 150 - total flux cleaned = -0.00551263 Jy ! Component: 200 - total flux cleaned = -0.00570923 Jy ! Total flux subtracted in 200 components = -0.00570923 Jy ! Clean residual min=-0.002704 max=0.002697 Jy/beam ! Clean residual mean=0.000124 rms=0.001359 Jy/beam ! Combined flux in latest and established models = -0.0271104 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 70 model components to the UV plane model. ! The established model now contains 181 components and -0.0271104 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051103Jy sigma=0.913716 ! Fit after self-cal, rms=0.050697Jy sigma=0.905640 ! 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: 23.1 x 40.17 at -10.23 degrees (North through East) ! Clean map min=-0.059035 max=0.090471 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=23.37 mas, bmaj=40.24 mas, bpa=-10.47 degrees ! Estimated noise=2.08602 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 = 0.000496311 Jy ! Component: 100 - total flux cleaned = -0.000312136 Jy ! Component: 150 - total flux cleaned = -0.000548352 Jy ! Component: 200 - total flux cleaned = -0.00106152 Jy ! Total flux subtracted in 200 components = -0.00106152 Jy ! Clean residual min=-0.001645 max=0.001623 Jy/beam ! Clean residual mean=-0.000039 rms=0.000667 Jy/beam ! Combined flux in latest and established models = -0.0281719 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 231 components and -0.0281719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050304Jy sigma=0.900126 ! Fit after self-cal, rms=0.050257Jy sigma=0.899193 ! 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=19.64 mas, bmaj=40.81 mas, bpa=-4.854 degrees ! Estimated noise=2.51552 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.12841 Jy ! Component: 100 - total flux cleaned = 0.166024 Jy ! Component: 150 - total flux cleaned = 0.166197 Jy ! Component: 200 - total flux cleaned = 0.164558 Jy ! Total flux subtracted in 200 components = 0.164558 Jy ! Clean residual min=-0.019684 max=0.019643 Jy/beam ! Clean residual mean=0.000476 rms=0.010341 Jy/beam ! Combined flux in latest and established models = 0.164558 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 94 model components to the UV plane model. ! The established model now contains 94 components and 0.164558 Jy ! Inverting map and beam ! Estimated beam: bmin=23.1 mas, bmaj=40.17 mas, bpa=-10.23 degrees ! Estimated noise=2.08528 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 = -0.0222375 Jy ! Component: 100 - total flux cleaned = -0.00939589 Jy ! Component: 150 - total flux cleaned = -0.00166565 Jy ! Component: 200 - total flux cleaned = 0.00346559 Jy ! Total flux subtracted in 200 components = 0.00346559 Jy ! Clean residual min=-0.014014 max=0.014921 Jy/beam ! Clean residual mean=-0.000668 rms=0.006539 Jy/beam ! Combined flux in latest and established models = 0.168023 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 163 components and 0.168023 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=23.37 mas, bmaj=40.24 mas, bpa=-10.47 degrees ! Estimated noise=2.08602 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 = -0.0100096 Jy ! Component: 100 - total flux cleaned = -0.014654 Jy ! Component: 150 - total flux cleaned = -0.0186256 Jy ! Component: 200 - total flux cleaned = -0.0192738 Jy ! Total flux subtracted in 200 components = -0.0192738 Jy ! Clean residual min=-0.008560 max=0.008668 Jy/beam ! Clean residual mean=0.000669 rms=0.004240 Jy/beam ! Combined flux in latest and established models = 0.14875 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 206 components and 0.14875 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=23.1 mas, bmaj=40.17 mas, bpa=-10.23 degrees ! Estimated noise=2.08528 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00326176 Jy ! Component: 100 - total flux cleaned = 0.00422953 Jy ! Component: 150 - total flux cleaned = 0.00487364 Jy ! Component: 200 - total flux cleaned = 0.0065353 Jy ! Total flux subtracted in 200 components = 0.0065353 Jy ! Clean residual min=-0.004585 max=0.004562 Jy/beam ! Clean residual mean=-0.000152 rms=0.001980 Jy/beam ! Combined flux in latest and established models = 0.155285 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 42 model components to the UV plane model. ! The established model now contains 244 components and 0.155285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049770Jy sigma=0.897189 ! Fit after self-cal, rms=0.049526Jy sigma=0.894016 wmodel J0013+7748_S_2006_02_23_yyk\_map.mod ! Writing 244 model components to file: J0013+7748_S_2006_02_23_yyk_map.mod wobs J0013+7748_S_2006_02_23_yyk\_uvs.fits ! Writing UV FITS file: J0013+7748_S_2006_02_23_yyk_uvs.fits wwins J0013+7748_S_2006_02_23_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0013+7748_S_2006_02_23_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 23.1 x 40.17 at -10.23 degrees (North through East) ! Clean map min=-0.034133 max=0.09265 Jy/beam ! Writing clean map to FITS file: J0013+7748_S_2006_02_23_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0926498 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00169201 device "J0013+7748_S_2006_02_23_yyk\_map.eps/VPS" ! Attempting to open device: 'J0013+7748_S_2006_02_23_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -5.47873 5.47873 10.9575 21.9149 43.8298 87.6597 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.005 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.092 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 23.1 x 40.17 at -10.23 degrees (North through East) ! Clean map min=-0.034133 max=0.09265 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0013+7748_S_2006_02_23_yyk\_map.gif/gif" ! Attempting to open device: 'J0013+7748_S_2006_02_23_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0013+7748_S_2006_02_23_yyk_uvs.log closed on Wed Jul 5 10:56:52 2006