! Started logfile: J0318-0029_X_2005_07_08_yyk_uvs.log on Fri Jan 20 11:14:38 2006 obs J0318-0029_X_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J0318-0029_X_2005_07_08_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.879012 visibilities/baseline/integration-bin. ! Found source: J0318-0029 ! ! 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 1407 lines of history. ! ! Reading 1424 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 J0318-0029_X_2005_07_08_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 0.400x0.400 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.110805 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=2.321 mas, bmaj=3.189 mas, bpa=11.77 degrees ! Estimated noise=1.65472 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 = 0.071997 Jy ! Component: 100 - total flux cleaned = 0.0885808 Jy ! Total flux subtracted in 100 components = 0.0885808 Jy ! Clean residual min=-0.009794 max=0.011720 Jy/beam ! Clean residual mean=-0.000032 rms=0.003237 Jy/beam ! Combined flux in latest and established models = 0.0885808 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0885808 Jy ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.074100Jy sigma=1.396518 ! Fit after self-cal, rms=0.065133Jy sigma=1.211476 ! Inverting map and beam ! Estimated beam: bmin=2.321 mas, bmaj=3.189 mas, bpa=11.77 degrees ! Estimated noise=1.65472 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=2.394 mas, bmaj=3.687 mas, bpa=-2.093 degrees ! Estimated noise=1.26692 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 = 0.0173118 Jy ! Component: 100 - total flux cleaned = 0.0239968 Jy ! Component: 150 - total flux cleaned = 0.0266526 Jy ! Component: 200 - total flux cleaned = 0.0272597 Jy ! Total flux subtracted in 200 components = 0.0272597 Jy ! Clean residual min=-0.004715 max=0.004492 Jy/beam ! Clean residual mean=-0.000006 rms=0.001451 Jy/beam ! Combined flux in latest and established models = 0.115841 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 37 components and 0.115841 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062874Jy sigma=1.139280 ! Fit after self-cal, rms=0.062854Jy sigma=1.138581 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.394 x 3.687 at -2.093 degrees (North through East) ! Clean map min=-0.0044511 max=0.091416 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: 1.04117 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HN 1.00* KP 0.88 ! LA 0.94 MK 1.00* NL 0.86 OV 1.02 ! PT 0.97 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: 0.997608 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* HN 1.00* KP 0.96 ! LA 1.00 MK 1.00* NL 0.89 OV 1.05 ! PT 1.12 SC 1.00* ! ! ! Fit before self-cal, rms=0.062854Jy sigma=1.138581 ! Fit after self-cal, rms=0.062140Jy sigma=1.130964 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=0.062140Jy sigma=1.130964 ! Fit after self-cal, rms=0.062137Jy sigma=1.130939 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.334 mas, bmaj=3.679 mas, bpa=-3.939 degrees ! Estimated noise=1.25457 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 = 0.00164198 Jy ! Component: 100 - total flux cleaned = 0.00201228 Jy ! Component: 150 - total flux cleaned = 0.00208677 Jy ! Component: 200 - total flux cleaned = 0.00215538 Jy ! Total flux subtracted in 200 components = 0.00215538 Jy ! Clean residual min=-0.004910 max=0.004658 Jy/beam ! Clean residual mean=0.000004 rms=0.001355 Jy/beam ! Combined flux in latest and established models = 0.117996 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 47 components and 0.117996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062084Jy sigma=1.129404 ! Fit after self-cal, rms=0.062077Jy sigma=1.129303 ! 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=0.062077Jy sigma=1.129303 ! Fit after self-cal, rms=0.055821Jy sigma=1.025875 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 = 0.002512 Jy ! Component: 100 - total flux cleaned = 0.00314551 Jy ! Component: 150 - total flux cleaned = 0.00318838 Jy ! Component: 200 - total flux cleaned = 0.00311933 Jy ! Total flux subtracted in 200 components = 0.00311933 Jy ! Clean residual min=-0.004462 max=0.004783 Jy/beam ! Clean residual mean=0.000006 rms=0.001263 Jy/beam ! Combined flux in latest and established models = 0.121115 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 53 components and 0.121115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055795Jy sigma=1.023665 ! Fit after self-cal, rms=0.055033Jy sigma=1.016218 ! 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: 2.334 x 3.679 at -3.939 degrees (North through East) ! Clean map min=-0.0042159 max=0.093256 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=2.769 mas, bmaj=3.912 mas, bpa=-1.299 degrees ! Estimated noise=1.29678 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 = 4.3623e-05 Jy ! Component: 100 - total flux cleaned = 4.46568e-05 Jy ! Component: 150 - total flux cleaned = -6.40999e-06 Jy ! Component: 200 - total flux cleaned = -5.15677e-05 Jy ! Total flux subtracted in 200 components = -5.15677e-05 Jy ! Clean residual min=-0.004289 max=0.004255 Jy/beam ! Clean residual mean=0.000009 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 0.121064 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 55 components and 0.121064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055021Jy sigma=1.015807 ! Fit after self-cal, rms=0.054898Jy sigma=1.014986 ! 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=2.296 mas, bmaj=3.172 mas, bpa=10.18 degrees ! Estimated noise=1.64098 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0816304 Jy ! Component: 100 - total flux cleaned = 0.102085 Jy ! Component: 150 - total flux cleaned = 0.110932 Jy ! Component: 200 - total flux cleaned = 0.115698 Jy ! Total flux subtracted in 200 components = 0.115698 Jy ! Clean residual min=-0.006254 max=0.005629 Jy/beam ! Clean residual mean=-0.000001 rms=0.001856 Jy/beam ! Combined flux in latest and established models = 0.115698 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.115698 Jy ! Inverting map and beam ! Estimated beam: bmin=2.334 mas, bmaj=3.679 mas, bpa=-3.939 degrees ! Estimated noise=1.25457 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 = 0.0032105 Jy ! Component: 100 - total flux cleaned = 0.00417108 Jy ! Component: 150 - total flux cleaned = 0.00482507 Jy ! Component: 200 - total flux cleaned = 0.00528479 Jy ! Total flux subtracted in 200 components = 0.00528479 Jy ! Clean residual min=-0.004527 max=0.004615 Jy/beam ! Clean residual mean=0.000005 rms=0.001272 Jy/beam ! Combined flux in latest and established models = 0.120983 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 33 components and 0.120983 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=2.769 mas, bmaj=3.912 mas, bpa=-1.299 degrees ! Estimated noise=1.29678 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 = -4.29268e-05 Jy ! Component: 100 - total flux cleaned = 3.15989e-05 Jy ! Component: 150 - total flux cleaned = 9.35536e-05 Jy ! Component: 200 - total flux cleaned = 0.000119423 Jy ! Total flux subtracted in 200 components = 0.000119423 Jy ! Clean residual min=-0.004310 max=0.004169 Jy/beam ! Clean residual mean=0.000008 rms=0.001210 Jy/beam ! Combined flux in latest and established models = 0.121103 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 35 components and 0.121103 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.334 mas, bmaj=3.679 mas, bpa=-3.939 degrees ! Estimated noise=1.25457 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000342197 Jy ! Component: 100 - total flux cleaned = 0.000343544 Jy ! Component: 150 - total flux cleaned = 0.000343853 Jy ! Component: 200 - total flux cleaned = 0.000344047 Jy ! Total flux subtracted in 200 components = 0.000344047 Jy ! Clean residual min=-0.004560 max=0.004733 Jy/beam ! Clean residual mean=0.000007 rms=0.001245 Jy/beam ! Combined flux in latest and established models = 0.121447 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 41 components and 0.121447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.054898Jy sigma=1.015401 ! Fit after self-cal, rms=0.054870Jy sigma=1.015253 wmodel J0318-0029_X_2005_07_08_yyk\_map.mod ! Writing 41 model components to file: J0318-0029_X_2005_07_08_yyk_map.mod wobs J0318-0029_X_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J0318-0029_X_2005_07_08_yyk_uvs.fits wwins J0318-0029_X_2005_07_08_yyk\_map.win ! wwins: Wrote 1 windows to J0318-0029_X_2005_07_08_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 = -0.000216797 Jy ! Component: 100 - total flux cleaned = -0.00127727 Jy ! Component: 150 - total flux cleaned = -0.00243277 Jy ! Component: 200 - total flux cleaned = -0.00356217 Jy ! Component: 250 - total flux cleaned = -0.00412498 Jy ! Component: 300 - total flux cleaned = -0.00439589 Jy ! Component: 350 - total flux cleaned = -0.00439682 Jy ! Component: 400 - total flux cleaned = -0.00449471 Jy ! Component: 450 - total flux cleaned = -0.00458832 Jy ! Component: 500 - total flux cleaned = -0.00449496 Jy ! Component: 550 - total flux cleaned = -0.00458475 Jy ! Component: 600 - total flux cleaned = -0.00454054 Jy ! Component: 650 - total flux cleaned = -0.00441241 Jy ! Component: 700 - total flux cleaned = -0.00437148 Jy ! Component: 750 - total flux cleaned = -0.00433109 Jy ! Component: 800 - total flux cleaned = -0.0041339 Jy ! Component: 850 - total flux cleaned = -0.00401843 Jy ! Component: 900 - total flux cleaned = -0.00390472 Jy ! Component: 950 - total flux cleaned = -0.00375571 Jy ! Component: 1000 - total flux cleaned = -0.00357361 Jy ! Total flux subtracted in 1024 components = -0.00350183 Jy ! Clean residual min=-0.001904 max=0.002140 Jy/beam ! Clean residual mean=0.000001 rms=0.000740 Jy/beam ! Combined flux in latest and established models = 0.117945 Jy keep ! Adding 57 model components to the UV plane model. ! The established model now contains 98 components and 0.117945 Jy ![Exited script file: muppet] wmap "J0318-0029_X_2005_07_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.334 x 3.679 at -3.939 degrees (North through East) ! Clean map min=-0.0036292 max=0.093573 Jy/beam ! Writing clean map to FITS file: J0318-0029_X_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0935734 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000737549 device "J0318-0029_X_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0318-0029_X_2005_07_08_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.36461 2.36461 4.72922 9.45844 18.9169 37.8338 75.6675 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.093 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.334 x 3.679 at -3.939 degrees (North through East) ! Clean map min=-0.0036292 max=0.093573 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0318-0029_X_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0318-0029_X_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0318-0029_X_2005_07_08_yyk_uvs.log closed on Fri Jan 20 11:14:39 2006