! Started logfile: J0301-1608_S_2005_06_30_yyk_uvs.log on Sat Oct 8 22:55:22 2005 obs J0301-1608_S_2005_06_30_yyk_uve.fits ! Reading UV FITS file: J0301-1608_S_2005_06_30_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.555556 visibilities/baseline/integration-bin. ! Found source: J0301-1608 ! ! 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 1477 lines of history. ! ! Reading 1900 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 J0301-1608_S_2005_06_30_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 2.00x2.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.116011 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=8.232 mas, bmaj=17.56 mas, bpa=18.04 degrees ! Estimated noise=2.30178 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 = 0.0566234 Jy ! Component: 100 - total flux cleaned = 0.0671072 Jy ! Total flux subtracted in 100 components = 0.0671072 Jy ! Clean residual min=-0.010949 max=0.017361 Jy/beam ! Clean residual mean=0.000002 rms=0.003936 Jy/beam ! Combined flux in latest and established models = 0.0671072 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0671072 Jy ! ! Correcting IF 1. ! A total of 127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 91 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 114 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 91 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.092617Jy sigma=1.387241 ! Fit after self-cal, rms=0.087457Jy sigma=1.275456 ! Inverting map and beam ! Estimated beam: bmin=8.232 mas, bmaj=17.56 mas, bpa=18.04 degrees ! Estimated noise=2.30178 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=9.804 mas, bmaj=20.55 mas, bpa=22.83 degrees ! Estimated noise=1.52342 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 = 0.0158967 Jy ! Component: 100 - total flux cleaned = 0.019214 Jy ! Component: 150 - total flux cleaned = 0.0200869 Jy ! Component: 200 - total flux cleaned = 0.0204288 Jy ! Total flux subtracted in 200 components = 0.0204288 Jy ! Clean residual min=-0.008940 max=0.019422 Jy/beam ! Clean residual mean=-0.000011 rms=0.003771 Jy/beam ! Combined flux in latest and established models = 0.087536 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 20 components and 0.087536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084813Jy sigma=1.233257 ! Fit after self-cal, rms=0.082392Jy sigma=1.187380 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.804 x 20.55 at 22.83 degrees (North through East) ! Clean map min=-0.010131 max=0.074574 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. ! A total of 3 telescope corrections were flagged in sub-array 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. ! A total of 6 telescope corrections were flagged in sub-array 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 3. ! A total of 3 telescope corrections were flagged in sub-array 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 4. ! A total of 6 telescope corrections were flagged in sub-array 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* ! ! ! Fit before self-cal, rms=0.082392Jy sigma=1.187380 ! Fit after self-cal, rms=0.082636Jy sigma=1.189265 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=0.082636Jy sigma=1.189265 ! Fit after self-cal, rms=0.082578Jy sigma=1.188087 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.748 mas, bmaj=20.34 mas, bpa=22.87 degrees ! Estimated noise=1.54095 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 = 0.00172459 Jy ! Component: 100 - total flux cleaned = 0.00216209 Jy ! Component: 150 - total flux cleaned = 0.00191799 Jy ! Component: 200 - total flux cleaned = 0.00181222 Jy ! Total flux subtracted in 200 components = 0.00181222 Jy ! Clean residual min=-0.010127 max=0.017381 Jy/beam ! Clean residual mean=-0.000015 rms=0.003670 Jy/beam ! Combined flux in latest and established models = 0.0893483 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 29 components and 0.0893483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082088Jy sigma=1.181132 ! Fit after self-cal, rms=0.082059Jy sigma=1.180492 ! 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=0.082059Jy sigma=1.180492 ! Fit after self-cal, rms=0.075150Jy sigma=1.072634 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) ! Added new window around map position (-26, -14). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0200111 Jy ! Component: 100 - total flux cleaned = 0.0295391 Jy ! Component: 150 - total flux cleaned = 0.0330782 Jy ! Component: 200 - total flux cleaned = 0.0346318 Jy ! Total flux subtracted in 200 components = 0.0346318 Jy ! Clean residual min=-0.005880 max=0.007121 Jy/beam ! Clean residual mean=0.000005 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 0.12398 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 53 components and 0.12398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070415Jy sigma=0.992732 ! Fit after self-cal, rms=0.069375Jy sigma=0.976334 ! 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: 9.748 x 20.34 at 22.87 degrees (North through East) ! Clean map min=-0.0058247 max=0.081756 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=10.88 mas, bmaj=22.1 mas, bpa=23.88 degrees ! Estimated noise=1.56642 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 = 0.00561708 Jy ! Component: 100 - total flux cleaned = 0.00824179 Jy ! Component: 150 - total flux cleaned = 0.0103843 Jy ! Component: 200 - total flux cleaned = 0.0112478 Jy ! Total flux subtracted in 200 components = 0.0112478 Jy ! Clean residual min=-0.004548 max=0.005510 Jy/beam ! Clean residual mean=0.000011 rms=0.001522 Jy/beam ! Combined flux in latest and established models = 0.135228 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 67 components and 0.135228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068710Jy sigma=0.966079 ! Fit after self-cal, rms=0.068599Jy sigma=0.963828 ! Inverting map uvtaper 0,0 ! 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=8.228 mas, bmaj=17.57 mas, bpa=18.04 degrees ! Estimated noise=2.3152 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0707444 Jy ! Component: 100 - total flux cleaned = 0.0972276 Jy ! Component: 150 - total flux cleaned = 0.113408 Jy ! Component: 200 - total flux cleaned = 0.124223 Jy ! Total flux subtracted in 200 components = 0.124223 Jy ! Clean residual min=-0.008616 max=0.008322 Jy/beam ! Clean residual mean=0.000014 rms=0.002453 Jy/beam ! Combined flux in latest and established models = 0.124223 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.124223 Jy ! Inverting map and beam ! Estimated beam: bmin=9.748 mas, bmaj=20.34 mas, bpa=22.87 degrees ! Estimated noise=1.54095 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 = 0.0067851 Jy ! Component: 100 - total flux cleaned = 0.00957342 Jy ! Component: 150 - total flux cleaned = 0.0122502 Jy ! Component: 200 - total flux cleaned = 0.0134329 Jy ! Total flux subtracted in 200 components = 0.0134329 Jy ! Clean residual min=-0.005235 max=0.006226 Jy/beam ! Clean residual mean=0.000016 rms=0.001701 Jy/beam ! Combined flux in latest and established models = 0.137656 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 49 components and 0.137656 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=10.88 mas, bmaj=22.1 mas, bpa=23.88 degrees ! Estimated noise=1.56642 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 = 0.00169392 Jy ! Component: 100 - total flux cleaned = 0.0024885 Jy ! Component: 150 - total flux cleaned = 0.00328602 Jy ! Component: 200 - total flux cleaned = 0.00398056 Jy ! Total flux subtracted in 200 components = 0.00398056 Jy ! Clean residual min=-0.004826 max=0.005423 Jy/beam ! Clean residual mean=0.000019 rms=0.001577 Jy/beam ! Combined flux in latest and established models = 0.141636 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 0.141636 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.748 mas, bmaj=20.34 mas, bpa=22.87 degrees ! Estimated noise=1.54095 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000807495 Jy ! Component: 100 - total flux cleaned = 0.00116504 Jy ! Component: 150 - total flux cleaned = 0.00142729 Jy ! Component: 200 - total flux cleaned = 0.00167668 Jy ! Total flux subtracted in 200 components = 0.00167668 Jy ! Clean residual min=-0.005106 max=0.005274 Jy/beam ! Clean residual mean=0.000019 rms=0.001540 Jy/beam ! Combined flux in latest and established models = 0.143313 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 78 components and 0.143313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068266Jy sigma=0.959821 ! Fit after self-cal, rms=0.068204Jy sigma=0.958465 wmodel J0301-1608_S_2005_06_30_yyk\_map.mod ! Writing 78 model components to file: J0301-1608_S_2005_06_30_yyk_map.mod wobs J0301-1608_S_2005_06_30_yyk\_uvs.fits ! Writing UV FITS file: J0301-1608_S_2005_06_30_yyk_uvs.fits wwins J0301-1608_S_2005_06_30_yyk\_map.win ! wwins: Wrote 2 windows to J0301-1608_S_2005_06_30_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 = -7.65959e-05 Jy ! Component: 100 - total flux cleaned = -0.000391007 Jy ! Component: 150 - total flux cleaned = -0.000609636 Jy ! Component: 200 - total flux cleaned = -0.000540459 Jy ! Component: 250 - total flux cleaned = -0.000862598 Jy ! Component: 300 - total flux cleaned = -0.00141369 Jy ! Component: 350 - total flux cleaned = -0.00164842 Jy ! Component: 400 - total flux cleaned = -0.00215824 Jy ! Component: 450 - total flux cleaned = -0.00253962 Jy ! Component: 500 - total flux cleaned = -0.00280233 Jy ! Component: 550 - total flux cleaned = -0.00315524 Jy ! Component: 600 - total flux cleaned = -0.00344791 Jy ! Component: 650 - total flux cleaned = -0.00386987 Jy ! Component: 700 - total flux cleaned = -0.00418457 Jy ! Component: 750 - total flux cleaned = -0.0045773 Jy ! Component: 800 - total flux cleaned = -0.00474631 Jy ! Component: 850 - total flux cleaned = -0.00474714 Jy ! Component: 900 - total flux cleaned = -0.00490772 Jy ! Component: 950 - total flux cleaned = -0.00502558 Jy ! Component: 1000 - total flux cleaned = -0.00510316 Jy ! Total flux subtracted in 1024 components = -0.00525394 Jy ! Clean residual min=-0.002354 max=0.002168 Jy/beam ! Clean residual mean=0.000011 rms=0.000784 Jy/beam ! Combined flux in latest and established models = 0.138059 Jy keep ! Adding 70 model components to the UV plane model. ! The established model now contains 148 components and 0.138059 Jy ![Exited script file: muppet] wmap "J0301-1608_S_2005_06_30_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.748 x 20.34 at 22.87 degrees (North through East) ! Clean map min=-0.003531 max=0.081394 Jy/beam ! Writing clean map to FITS file: J0301-1608_S_2005_06_30_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.081394 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000776837 device "J0301-1608_S_2005_06_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J0301-1608_S_2005_06_30_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.86325 2.86325 5.72649 11.453 22.906 45.812 91.6239 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.081 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.748 x 20.34 at 22.87 degrees (North through East) ! Clean map min=-0.003531 max=0.081394 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0301-1608_S_2005_06_30_yyk\_map.gif/gif" ! Attempting to open device: 'J0301-1608_S_2005_06_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0301-1608_S_2005_06_30_yyk_uvs.log closed on Sat Oct 8 22:55:23 2005