! Started logfile: J1539+7814_S_2006_02_23_yyk_uvs.log on Wed Jul 5 12:41:02 2006 obs J1539+7814_S_2006_02_23_yyk_uva.fits ! Reading UV FITS file: J1539+7814_S_2006_02_23_yyk_uva.fits ! AN table 1: 862 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.222196 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1539+7814 ! ! 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 2426 lines of history. ! ! Reading 34476 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 J1539+7814_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)= 0.0671246 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=10.3 mas, bmaj=51.52 mas, bpa=27.17 degrees ! Estimated noise=0.823834 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 = 0.0149721 Jy ! Component: 100 - total flux cleaned = 0.0256979 Jy ! Total flux subtracted in 100 components = 0.0256979 Jy ! Clean residual min=-0.003616 max=0.004719 Jy/beam ! Clean residual mean=0.000262 rms=0.002029 Jy/beam ! Combined flux in latest and established models = 0.0256979 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 49 components and 0.0256979 Jy ! ! Correcting IF 1. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 160 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 160 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 112 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.054667Jy sigma=1.143607 ! Fit after self-cal, rms=0.053481Jy sigma=1.130015 ! Inverting map and beam ! Estimated beam: bmin=10.3 mas, bmaj=51.2 mas, bpa=27.15 degrees ! Estimated noise=0.827094 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=9.311 mas, bmaj=58.06 mas, bpa=25.27 degrees ! Estimated noise=0.575976 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 = 0.00262403 Jy ! Component: 100 - total flux cleaned = 0.0045355 Jy ! Component: 150 - total flux cleaned = 0.00544515 Jy ! Component: 200 - total flux cleaned = 0.00641699 Jy ! Total flux subtracted in 200 components = 0.00641699 Jy ! Clean residual min=-0.001138 max=0.001129 Jy/beam ! Clean residual mean=0.000007 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.0321149 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 101 model components to the UV plane model. ! The established model now contains 149 components and 0.0321149 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050984Jy sigma=1.065925 ! Fit after self-cal, rms=0.050917Jy sigma=1.064510 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.311 x 58.06 at 25.27 degrees (North through East) ! Clean map min=-0.0014295 max=0.012882 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 ! 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. ! A total of 48 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* ! ! ! Fit before self-cal, rms=0.050917Jy sigma=1.064510 ! Fit after self-cal, rms=0.044363Jy sigma=1.056345 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=0.044363Jy sigma=1.056345 ! Fit after self-cal, rms=0.044375Jy sigma=1.056183 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.272 mas, bmaj=58.25 mas, bpa=25.3 degrees ! Estimated noise=0.579276 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 = 0.00116373 Jy ! Component: 100 - total flux cleaned = 0.00249078 Jy ! Component: 150 - total flux cleaned = 0.00380447 Jy ! Component: 200 - total flux cleaned = 0.00518225 Jy ! Total flux subtracted in 200 components = 0.00518225 Jy ! Clean residual min=-0.000601 max=0.000725 Jy/beam ! Clean residual mean=0.000013 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.0372971 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 64 model components to the UV plane model. ! The established model now contains 205 components and 0.0372971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.043169Jy sigma=1.026931 ! Fit after self-cal, rms=0.043171Jy sigma=1.026737 ! 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=0.043171Jy sigma=1.026737 ! Fit after self-cal, rms=0.040901Jy sigma=0.959610 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 = 0.000415126 Jy ! Component: 100 - total flux cleaned = 0.00143598 Jy ! Component: 150 - total flux cleaned = 0.00241254 Jy ! Component: 200 - total flux cleaned = 0.00344789 Jy ! Total flux subtracted in 200 components = 0.00344789 Jy ! Clean residual min=-0.000602 max=0.000626 Jy/beam ! Clean residual mean=0.000009 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.040745 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 111 model components to the UV plane model. ! The established model now contains 309 components and 0.040745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.039694Jy sigma=0.927313 ! Fit after self-cal, rms=0.039878Jy sigma=0.918737 ! 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: 9.272 x 58.25 at 25.3 degrees (North through East) ! Clean map min=-0.0016263 max=0.016156 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=9.476 mas, bmaj=56.98 mas, bpa=25.32 degrees ! Estimated noise=0.581402 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 = 0.000612696 Jy ! Component: 100 - total flux cleaned = 0.00158316 Jy ! Component: 150 - total flux cleaned = 0.00261293 Jy ! Component: 200 - total flux cleaned = 0.00368827 Jy ! Total flux subtracted in 200 components = 0.00368827 Jy ! Clean residual min=-0.000546 max=0.000572 Jy/beam ! Clean residual mean=0.000009 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.0444333 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 77 model components to the UV plane model. ! The established model now contains 367 components and 0.0444333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.039046Jy sigma=0.897376 ! Fit after self-cal, rms=0.039155Jy sigma=0.896156 ! 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=10.3 mas, bmaj=50.78 mas, bpa=27.48 degrees ! Estimated noise=0.825738 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0159368 Jy ! Component: 100 - total flux cleaned = 0.0278731 Jy ! Component: 150 - total flux cleaned = 0.0354171 Jy ! Component: 200 - total flux cleaned = 0.0375787 Jy ! Total flux subtracted in 200 components = 0.0375787 Jy ! Clean residual min=-0.005816 max=0.005698 Jy/beam ! Clean residual mean=0.000148 rms=0.001967 Jy/beam ! Combined flux in latest and established models = 0.0375787 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 87 model components to the UV plane model. ! The established model now contains 87 components and 0.0375787 Jy ! Inverting map and beam ! Estimated beam: bmin=9.272 mas, bmaj=58.25 mas, bpa=25.3 degrees ! Estimated noise=0.579276 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 = 0.000989499 Jy ! Component: 100 - total flux cleaned = -0.000825849 Jy ! Component: 150 - total flux cleaned = -0.00153105 Jy ! Component: 200 - total flux cleaned = -0.00163839 Jy ! Total flux subtracted in 200 components = -0.00163839 Jy ! Clean residual min=-0.001291 max=0.001254 Jy/beam ! Clean residual mean=0.000004 rms=0.000592 Jy/beam ! Combined flux in latest and established models = 0.0359403 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 137 components and 0.0359403 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=9.476 mas, bmaj=56.98 mas, bpa=25.32 degrees ! Estimated noise=0.581402 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 = 0.00059902 Jy ! Component: 100 - total flux cleaned = 0.000730952 Jy ! Component: 150 - total flux cleaned = 0.000662629 Jy ! Component: 200 - total flux cleaned = 0.000816359 Jy ! Total flux subtracted in 200 components = 0.000816359 Jy ! Clean residual min=-0.001054 max=0.001054 Jy/beam ! Clean residual mean=0.000024 rms=0.000469 Jy/beam ! Combined flux in latest and established models = 0.0367566 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 162 components and 0.0367566 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.272 mas, bmaj=58.25 mas, bpa=25.3 degrees ! Estimated noise=0.579276 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -7.22696e-05 Jy ! Component: 100 - total flux cleaned = 0.000199717 Jy ! Component: 150 - total flux cleaned = 0.000530746 Jy ! Component: 200 - total flux cleaned = 0.000529141 Jy ! Total flux subtracted in 200 components = 0.000529141 Jy ! Clean residual min=-0.000424 max=0.000422 Jy/beam ! Clean residual mean=0.000010 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.0372858 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 205 components and 0.0372858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.038794Jy sigma=0.899447 ! Fit after self-cal, rms=0.038900Jy sigma=0.896972 wmodel J1539+7814_S_2006_02_23_yyk\_map.mod ! Writing 205 model components to file: J1539+7814_S_2006_02_23_yyk_map.mod wobs J1539+7814_S_2006_02_23_yyk\_uvs.fits ! Writing UV FITS file: J1539+7814_S_2006_02_23_yyk_uvs.fits wwins J1539+7814_S_2006_02_23_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1539+7814_S_2006_02_23_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.272 x 58.25 at 25.3 degrees (North through East) ! Clean map min=-0.0027046 max=0.01496 Jy/beam ! Writing clean map to FITS file: J1539+7814_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 0.0149597 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000225056 device "J1539+7814_S_2006_02_23_yyk\_map.eps/VPS" ! Attempting to open device: 'J1539+7814_S_2006_02_23_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -4.51324 4.51324 9.02649 18.053 36.106 72.2119 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.014 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.272 x 58.25 at 25.3 degrees (North through East) ! Clean map min=-0.0027046 max=0.01496 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1539+7814_S_2006_02_23_yyk\_map.gif/gif" ! Attempting to open device: 'J1539+7814_S_2006_02_23_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1539+7814_S_2006_02_23_yyk_uvs.log closed on Wed Jul 5 12:41:45 2006