! Started logfile: J1832+8049_X_2006_02_14_yyk_uvs.log on Wed Jul 5 13:31:33 2006 obs J1832+8049_X_2006_02_14_yyk_uva.fits ! Reading UV FITS file: J1832+8049_X_2006_02_14_yyk_uva.fits ! AN table 1: 872 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.13318 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1832+8049 ! ! 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 2319 lines of history. ! ! Reading 20904 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 J1832+8049_X_2006_02_14_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)= 0.0981964 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=1.737 mas, bmaj=3.044 mas, bpa=20.64 degrees ! Estimated noise=6.14661 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 = 0.0369936 Jy ! Component: 100 - total flux cleaned = 0.049808 Jy ! Total flux subtracted in 100 components = 0.049808 Jy ! Clean residual min=-0.009385 max=0.009300 Jy/beam ! Clean residual mean=-0.000038 rms=0.003594 Jy/beam ! Combined flux in latest and established models = 0.049808 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.049808 Jy ! ! Correcting IF 1. ! A total of 102 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 119 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 170 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.071914Jy sigma=1.134943 ! Fit after self-cal, rms=0.068829Jy sigma=1.078718 ! Inverting map and beam ! Estimated beam: bmin=1.744 mas, bmaj=3.056 mas, bpa=20.65 degrees ! Estimated noise=6.12494 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=1.934 mas, bmaj=3.209 mas, bpa=33.83 degrees ! Estimated noise=2.55682 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 = 0.00332527 Jy ! Component: 100 - total flux cleaned = 0.00270801 Jy ! Component: 150 - total flux cleaned = 0.00214416 Jy ! Component: 200 - total flux cleaned = 0.00214789 Jy ! Total flux subtracted in 200 components = 0.00214789 Jy ! Clean residual min=-0.003436 max=0.003450 Jy/beam ! Clean residual mean=0.000044 rms=0.001104 Jy/beam ! Combined flux in latest and established models = 0.0519559 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 51 model components to the UV plane model. ! The established model now contains 80 components and 0.0519559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067485Jy sigma=1.030898 ! Fit after self-cal, rms=0.067607Jy sigma=1.029526 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.934 x 3.209 at 33.83 degrees (North through East) ! Clean map min=-0.0091767 max=0.028081 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: 0.993029 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.13 HN 1.00* KP 1.00* ! LA 0.98 MK 1.00* NL 0.97 OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 2. ! A total of 51 telescope corrections were flagged in sub-array 1. ! 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* ! ! ! Correcting IF 3. ! 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* ! ! ! 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=0.067607Jy sigma=1.029526 ! Fit after self-cal, rms=0.076943Jy sigma=1.072795 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=0.076943Jy sigma=1.072795 ! Fit after self-cal, rms=0.076937Jy sigma=1.072784 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.892 mas, bmaj=2.97 mas, bpa=16.86 degrees ! Estimated noise=3.06965 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 = 0.00222222 Jy ! Component: 100 - total flux cleaned = 0.00284168 Jy ! Component: 150 - total flux cleaned = 0.00260503 Jy ! Component: 200 - total flux cleaned = 0.00234528 Jy ! Total flux subtracted in 200 components = 0.00234528 Jy ! Clean residual min=-0.001757 max=0.001787 Jy/beam ! Clean residual mean=0.000011 rms=0.000599 Jy/beam ! Combined flux in latest and established models = 0.0543012 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 104 components and 0.0543012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077420Jy sigma=1.064815 ! Fit after self-cal, rms=0.077367Jy sigma=1.064743 ! 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=0.077367Jy sigma=1.064743 ! Fit after self-cal, rms=0.072470Jy sigma=0.922622 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 = 0.000609199 Jy ! Component: 100 - total flux cleaned = 0.00102011 Jy ! Component: 150 - total flux cleaned = 0.00138502 Jy ! Component: 200 - total flux cleaned = 0.0013746 Jy ! Total flux subtracted in 200 components = 0.0013746 Jy ! Clean residual min=-0.001697 max=0.001687 Jy/beam ! Clean residual mean=-0.000001 rms=0.000551 Jy/beam ! Combined flux in latest and established models = 0.0556758 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 143 components and 0.0556758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072197Jy sigma=0.907993 ! Fit after self-cal, rms=0.069458Jy sigma=0.889404 ! 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: 1.892 x 2.97 at 16.86 degrees (North through East) ! Clean map min=-0.0079701 max=0.029734 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=2.177 mas, bmaj=2.968 mas, bpa=12.98 degrees ! Estimated noise=3.19736 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 = -0.00081171 Jy ! Component: 100 - total flux cleaned = -0.000479949 Jy ! Component: 150 - total flux cleaned = -0.000165215 Jy ! Component: 200 - total flux cleaned = 0.000542332 Jy ! Total flux subtracted in 200 components = 0.000542332 Jy ! Clean residual min=-0.000817 max=0.000829 Jy/beam ! Clean residual mean=0.000007 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.0562182 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 183 components and 0.0562181 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069274Jy sigma=0.885969 ! Fit after self-cal, rms=0.067271Jy sigma=0.880103 ! 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=1.728 mas, bmaj=3.097 mas, bpa=19.84 degrees ! Estimated noise=6.24755 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0475053 Jy ! Component: 100 - total flux cleaned = 0.0622996 Jy ! Component: 150 - total flux cleaned = 0.0707322 Jy ! Component: 200 - total flux cleaned = 0.0793842 Jy ! Total flux subtracted in 200 components = 0.0793841 Jy ! Clean residual min=-0.009224 max=0.009237 Jy/beam ! Clean residual mean=0.000049 rms=0.002812 Jy/beam ! Combined flux in latest and established models = 0.0793841 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 46 model components to the UV plane model. ! The established model now contains 46 components and 0.0793841 Jy ! Inverting map and beam ! Estimated beam: bmin=1.892 mas, bmaj=2.97 mas, bpa=16.86 degrees ! Estimated noise=3.06965 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 = 0.00368435 Jy ! Component: 100 - total flux cleaned = 0.00414073 Jy ! Component: 150 - total flux cleaned = 0.00412538 Jy ! Component: 200 - total flux cleaned = 0.00387534 Jy ! Total flux subtracted in 200 components = 0.00387534 Jy ! Clean residual min=-0.003831 max=0.003818 Jy/beam ! Clean residual mean=0.000018 rms=0.001201 Jy/beam ! Combined flux in latest and established models = 0.0832595 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 78 components and 0.0832595 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=2.177 mas, bmaj=2.968 mas, bpa=12.98 degrees ! Estimated noise=3.19736 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 = -0.00105022 Jy ! Component: 100 - total flux cleaned = -0.00293252 Jy ! Component: 150 - total flux cleaned = -0.00337433 Jy ! Component: 200 - total flux cleaned = -0.00314804 Jy ! Total flux subtracted in 200 components = -0.00314804 Jy ! Clean residual min=-0.001484 max=0.001547 Jy/beam ! Clean residual mean=-0.000006 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.0801114 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 118 components and 0.0801114 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.892 mas, bmaj=2.97 mas, bpa=16.86 degrees ! Estimated noise=3.06965 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000220015 Jy ! Component: 100 - total flux cleaned = 0.000220766 Jy ! Component: 150 - total flux cleaned = 0.000518793 Jy ! Component: 200 - total flux cleaned = 0.000849477 Jy ! Total flux subtracted in 200 components = 0.000849477 Jy ! Clean residual min=-0.001571 max=0.001542 Jy/beam ! Clean residual mean=0.000005 rms=0.000488 Jy/beam ! Combined flux in latest and established models = 0.0809609 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 144 components and 0.0809609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067259Jy sigma=0.886507 ! Fit after self-cal, rms=0.065878Jy sigma=0.881161 wmodel J1832+8049_X_2006_02_14_yyk\_map.mod ! Writing 144 model components to file: J1832+8049_X_2006_02_14_yyk_map.mod wobs J1832+8049_X_2006_02_14_yyk\_uvs.fits ! Writing UV FITS file: J1832+8049_X_2006_02_14_yyk_uvs.fits wwins J1832+8049_X_2006_02_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1832+8049_X_2006_02_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.892 x 2.97 at 16.86 degrees (North through East) ! Clean map min=-0.0096258 max=0.032843 Jy/beam ! Writing clean map to FITS file: J1832+8049_X_2006_02_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0328428 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000515835 device "J1832+8049_X_2006_02_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J1832+8049_X_2006_02_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -4.71185 4.71185 9.42371 18.8474 37.6948 75.3897 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.032 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.892 x 2.97 at 16.86 degrees (North through East) ! Clean map min=-0.0096258 max=0.032843 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1832+8049_X_2006_02_14_yyk\_map.gif/gif" ! Attempting to open device: 'J1832+8049_X_2006_02_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1832+8049_X_2006_02_14_yyk_uvs.log closed on Wed Jul 5 13:32:00 2006