! Started logfile: J2242+8224_X_2006_02_23_yyk_uvs.log on Wed Jul 5 14:06:04 2006 obs J2242+8224_X_2006_02_23_yyk_uva.fits ! Reading UV FITS file: J2242+8224_X_2006_02_23_yyk_uva.fits ! AN table 1: 871 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.333333 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2242+8224 ! ! 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 2404 lines of history. ! ! Reading 52260 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 J2242+8224_X_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 0.200x0.200 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)= 0.0776777 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=2.588 mas, bmaj=5.814 mas, bpa=30.98 degrees ! Estimated noise=1.4553 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 = 0.0465085 Jy ! Component: 100 - total flux cleaned = 0.0579544 Jy ! Total flux subtracted in 100 components = 0.0579544 Jy ! Clean residual min=-0.007063 max=0.007198 Jy/beam ! Clean residual mean=0.000011 rms=0.003095 Jy/beam ! Combined flux in latest and established models = 0.0579544 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 30 components and 0.0579544 Jy ! ! Correcting IF 1. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 64 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=0.052638Jy sigma=1.127322 ! Fit after self-cal, rms=0.051818Jy sigma=1.104308 ! Inverting map and beam ! Estimated beam: bmin=2.588 mas, bmaj=5.816 mas, bpa=30.98 degrees ! Estimated noise=1.46112 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=2.596 mas, bmaj=6.777 mas, bpa=31.08 degrees ! Estimated noise=1.32032 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 = 0.00756431 Jy ! Component: 100 - total flux cleaned = 0.00402261 Jy ! Component: 150 - total flux cleaned = 0.0018828 Jy ! Component: 200 - total flux cleaned = 0.0011435 Jy ! Total flux subtracted in 200 components = 0.0011435 Jy ! Clean residual min=-0.002804 max=0.002737 Jy/beam ! Clean residual mean=-0.000003 rms=0.001266 Jy/beam ! Combined flux in latest and established models = 0.0590979 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 92 model components to the UV plane model. ! The established model now contains 120 components and 0.0590979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048169Jy sigma=1.008075 ! Fit after self-cal, rms=0.048107Jy sigma=1.006675 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.596 x 6.777 at 31.08 degrees (North through East) ! Clean map min=-0.0076067 max=0.048524 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: 1.00929 ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.96 HN 1.00* KP 1.06 ! LA 0.91 MK 1.00* NL 1.00* OV 1.09 ! PT 0.94 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.03143 ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.93 HN 1.00* KP 0.93 ! LA 0.96 MK 1.00* NL 1.00* OV 0.93 ! PT 0.92 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.9929 ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.95 HN 1.00* KP 1.00* ! LA 0.91 MK 1.00* NL 1.00* OV 1.00* ! PT 1.09 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=0.048107Jy sigma=1.006675 ! Fit after self-cal, rms=0.047135Jy sigma=0.997865 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=0.047135Jy sigma=0.997865 ! Fit after self-cal, rms=0.047125Jy sigma=0.997566 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.645 mas, bmaj=6.909 mas, bpa=30.62 degrees ! Estimated noise=1.27874 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 = 0.00193563 Jy ! Component: 100 - total flux cleaned = 0.00253958 Jy ! Component: 150 - total flux cleaned = 0.00239553 Jy ! Component: 200 - total flux cleaned = 0.00239441 Jy ! Total flux subtracted in 200 components = 0.00239441 Jy ! Clean residual min=-0.000756 max=0.000768 Jy/beam ! Clean residual mean=0.000001 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.0614924 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 166 components and 0.0614924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.046908Jy sigma=0.991743 ! Fit after self-cal, rms=0.046907Jy sigma=0.991467 ! 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=0.046907Jy sigma=0.991467 ! Fit after self-cal, rms=0.041607Jy sigma=0.896756 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 = 0.000884922 Jy ! Component: 100 - total flux cleaned = 0.000683317 Jy ! Component: 150 - total flux cleaned = 0.000614716 Jy ! Component: 200 - total flux cleaned = 0.000842998 Jy ! Total flux subtracted in 200 components = 0.000842998 Jy ! Clean residual min=-0.000670 max=0.000671 Jy/beam ! Clean residual mean=0.000003 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.0623354 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 68 model components to the UV plane model. ! The established model now contains 233 components and 0.0623354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.041327Jy sigma=0.889538 ! Fit after self-cal, rms=0.040941Jy sigma=0.883552 ! 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: 2.645 x 6.909 at 30.62 degrees (North through East) ! Clean map min=-0.0062232 max=0.049179 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=2.98 mas, bmaj=6.99 mas, bpa=28.65 degrees ! Estimated noise=1.30141 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 = 6.02846e-06 Jy ! Component: 100 - total flux cleaned = 0.000220562 Jy ! Component: 150 - total flux cleaned = 0.000335062 Jy ! Component: 200 - total flux cleaned = 0.000557953 Jy ! Total flux subtracted in 200 components = 0.000557953 Jy ! Clean residual min=-0.000461 max=0.000459 Jy/beam ! Clean residual mean=0.000002 rms=0.000171 Jy/beam ! Combined flux in latest and established models = 0.0628933 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 275 components and 0.0628933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.040883Jy sigma=0.881954 ! Fit after self-cal, rms=0.040841Jy sigma=0.881356 ! 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=2.609 mas, bmaj=5.855 mas, bpa=30.61 degrees ! Estimated noise=1.42975 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0494966 Jy ! Component: 100 - total flux cleaned = 0.0687638 Jy ! Component: 150 - total flux cleaned = 0.0761554 Jy ! Component: 200 - total flux cleaned = 0.07874 Jy ! Total flux subtracted in 200 components = 0.07874 Jy ! Clean residual min=-0.003880 max=0.003856 Jy/beam ! Clean residual mean=0.000004 rms=0.001728 Jy/beam ! Combined flux in latest and established models = 0.07874 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 58 model components to the UV plane model. ! The established model now contains 58 components and 0.07874 Jy ! Inverting map and beam ! Estimated beam: bmin=2.645 mas, bmaj=6.909 mas, bpa=30.62 degrees ! Estimated noise=1.27874 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 = -0.00177452 Jy ! Component: 100 - total flux cleaned = -0.0024265 Jy ! Component: 150 - total flux cleaned = -0.00416394 Jy ! Component: 200 - total flux cleaned = -0.00594559 Jy ! Total flux subtracted in 200 components = -0.00594559 Jy ! Clean residual min=-0.001569 max=0.001566 Jy/beam ! Clean residual mean=-0.000001 rms=0.000666 Jy/beam ! Combined flux in latest and established models = 0.0727944 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 140 components and 0.0727944 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=2.98 mas, bmaj=6.99 mas, bpa=28.65 degrees ! Estimated noise=1.30141 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 = -0.00100734 Jy ! Component: 100 - total flux cleaned = -0.0020804 Jy ! Component: 150 - total flux cleaned = -0.00187502 Jy ! Component: 200 - total flux cleaned = -0.0018778 Jy ! Total flux subtracted in 200 components = -0.0018778 Jy ! Clean residual min=-0.000554 max=0.000557 Jy/beam ! Clean residual mean=0.000000 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0709166 Jy ! Adding 74 model components to the UV plane model. ! The established model now contains 211 components and 0.0709166 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.645 mas, bmaj=6.909 mas, bpa=30.62 degrees ! Estimated noise=1.27874 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000637265 Jy ! Component: 100 - total flux cleaned = 0.000770252 Jy ! Component: 150 - total flux cleaned = 0.000853495 Jy ! Component: 200 - total flux cleaned = 0.00130455 Jy ! Total flux subtracted in 200 components = 0.00130455 Jy ! Clean residual min=-0.000511 max=0.000507 Jy/beam ! Clean residual mean=-0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0722212 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 252 components and 0.0722212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.040913Jy sigma=0.882528 ! Fit after self-cal, rms=0.040901Jy sigma=0.882307 wmodel J2242+8224_X_2006_02_23_yyk\_map.mod ! Writing 252 model components to file: J2242+8224_X_2006_02_23_yyk_map.mod wobs J2242+8224_X_2006_02_23_yyk\_uvs.fits ! Writing UV FITS file: J2242+8224_X_2006_02_23_yyk_uvs.fits wwins J2242+8224_X_2006_02_23_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2242+8224_X_2006_02_23_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.645 x 6.909 at 30.62 degrees (North through East) ! Clean map min=-0.0032574 max=0.048965 Jy/beam ! Writing clean map to FITS file: J2242+8224_X_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 0.0489647 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000185545 device "J2242+8224_X_2006_02_23_yyk\_map.eps/VPS" ! Attempting to open device: 'J2242+8224_X_2006_02_23_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.13681 1.13681 2.27362 4.54725 9.09449 18.189 36.378 72.7559 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.048 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.645 x 6.909 at 30.62 degrees (North through East) ! Clean map min=-0.0032574 max=0.048965 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2242+8224_X_2006_02_23_yyk\_map.gif/gif" ! Attempting to open device: 'J2242+8224_X_2006_02_23_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2242+8224_X_2006_02_23_yyk_uvs.log closed on Wed Jul 5 14:06:37 2006