! Started logfile: J1844-1324_S_2004_05_27_yyk_uvs.log on Wed Dec 7 01:04:45 2005 obs J1844-1324_S_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1844-1324_S_2004_05_27_yyk_uve.fits ! AN table 1: 15 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.50963 visibilities/baseline/integration-bin. ! Found source: J1844-1324 ! ! 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 1392 lines of history. ! ! Reading 1376 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 J1844-1324_S_2004_05_27_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 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.101884 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 51 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 51 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 79 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.936622Jy sigma=17.801497 ! Fit after self-cal, rms=0.928269Jy sigma=17.642015 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=7.96 mas, bmaj=15.97 mas, bpa=8.148 degrees ! Estimated noise=1.57137 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 = 0.0634338 Jy ! Component: 100 - total flux cleaned = 0.0778652 Jy ! Total flux subtracted in 100 components = 0.0778652 Jy ! Clean residual min=-0.005139 max=0.004873 Jy/beam ! Clean residual mean=0.000001 rms=0.001678 Jy/beam ! Combined flux in latest and established models = 0.0778652 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0778652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068821Jy sigma=1.108022 ! Fit after self-cal, rms=0.068808Jy sigma=1.107599 ! Inverting map 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=9.386 mas, bmaj=18.4 mas, bpa=14.83 degrees ! Estimated noise=1.20641 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 = 0.00747643 Jy ! Component: 100 - total flux cleaned = 0.0108228 Jy ! Component: 150 - total flux cleaned = 0.0123507 Jy ! Component: 200 - total flux cleaned = 0.0129059 Jy ! Total flux subtracted in 200 components = 0.0129059 Jy ! Clean residual min=-0.004758 max=0.003698 Jy/beam ! Clean residual mean=-0.000048 rms=0.001401 Jy/beam ! Combined flux in latest and established models = 0.0907711 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 44 components and 0.0907711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068443Jy sigma=1.095165 ! Fit after self-cal, rms=0.068442Jy sigma=1.095037 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 1.01075 ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.98 HN 1.00* KP 1.02 ! LA 1.09 MK 1.00* NL 0.90 OV 1.04 ! PT 0.98 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.977311 ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.96 HN 1.00* KP 1.02 ! LA 1.06 MK 1.00* NL 1.02 OV 1.10 ! PT 0.98 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.00565 ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.84 HN 1.00* KP 1.07 ! LA 0.92 MK 1.00* NL 0.95 OV 0.98 ! PT 1.03 SC 1.00* ! ! ! Correcting IF 4. ! 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* ! ! ! Fit before self-cal, rms=0.068442Jy sigma=1.095037 ! Fit after self-cal, rms=0.068413Jy sigma=1.087947 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=0.068413Jy sigma=1.087947 ! Fit after self-cal, rms=0.068398Jy sigma=1.087893 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.329 mas, bmaj=18.11 mas, bpa=13.87 degrees ! Estimated noise=1.20108 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 = 0.000861513 Jy ! Component: 100 - total flux cleaned = 0.00111557 Jy ! Component: 150 - total flux cleaned = 0.00132327 Jy ! Component: 200 - total flux cleaned = 0.00152796 Jy ! Total flux subtracted in 200 components = 0.00152796 Jy ! Clean residual min=-0.004598 max=0.002905 Jy/beam ! Clean residual mean=-0.000038 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.092299 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 0.092299 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068361Jy sigma=1.087073 ! Fit after self-cal, rms=0.068372Jy sigma=1.087008 ! 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=0.068372Jy sigma=1.087008 ! Fit after self-cal, rms=0.060239Jy sigma=0.962512 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 = 0.00392376 Jy ! Component: 100 - total flux cleaned = 0.00499361 Jy ! Component: 150 - total flux cleaned = 0.00512773 Jy ! Component: 200 - total flux cleaned = 0.00517302 Jy ! Total flux subtracted in 200 components = 0.00517302 Jy ! Clean residual min=-0.004599 max=0.003151 Jy/beam ! Clean residual mean=-0.000066 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 0.097472 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 69 components and 0.097472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059997Jy sigma=0.958424 ! Fit after self-cal, rms=0.059463Jy sigma=0.950856 ! 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: 9.329 x 18.11 at 13.87 degrees (North through East) ! Clean map min=-0.0045303 max=0.079625 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=10.62 mas, bmaj=19.67 mas, bpa=14.21 degrees ! Estimated noise=1.22588 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 = 0.000668283 Jy ! Component: 100 - total flux cleaned = 0.000726427 Jy ! Component: 150 - total flux cleaned = 0.000766149 Jy ! Component: 200 - total flux cleaned = 0.000802466 Jy ! Total flux subtracted in 200 components = 0.000802466 Jy ! Clean residual min=-0.004483 max=0.003148 Jy/beam ! Clean residual mean=-0.000085 rms=0.001166 Jy/beam ! Combined flux in latest and established models = 0.0982745 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 78 components and 0.0982745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059457Jy sigma=0.950716 ! Fit after self-cal, rms=0.059411Jy sigma=0.949948 ! 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=7.953 mas, bmaj=15.9 mas, bpa=7.695 degrees ! Estimated noise=1.5536 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0678437 Jy ! Component: 100 - total flux cleaned = 0.0829226 Jy ! Component: 150 - total flux cleaned = 0.0894639 Jy ! Component: 200 - total flux cleaned = 0.0928709 Jy ! Total flux subtracted in 200 components = 0.0928709 Jy ! Clean residual min=-0.004086 max=0.003490 Jy/beam ! Clean residual mean=-0.000045 rms=0.001199 Jy/beam ! Combined flux in latest and established models = 0.0928709 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 28 model components to the UV plane model. ! The established model now contains 28 components and 0.0928709 Jy ! Inverting map and beam ! Estimated beam: bmin=9.329 mas, bmaj=18.11 mas, bpa=13.87 degrees ! Estimated noise=1.20108 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 = 0.00286781 Jy ! Component: 100 - total flux cleaned = 0.00419106 Jy ! Component: 150 - total flux cleaned = 0.00460719 Jy ! Component: 200 - total flux cleaned = 0.00481071 Jy ! Total flux subtracted in 200 components = 0.00481071 Jy ! Clean residual min=-0.004653 max=0.003120 Jy/beam ! Clean residual mean=-0.000062 rms=0.001178 Jy/beam ! Combined flux in latest and established models = 0.0976816 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 54 components and 0.0976816 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=10.62 mas, bmaj=19.67 mas, bpa=14.21 degrees ! Estimated noise=1.22588 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 = 0.000258669 Jy ! Component: 100 - total flux cleaned = 0.000322575 Jy ! Component: 150 - total flux cleaned = 0.000380508 Jy ! Component: 200 - total flux cleaned = 0.000451444 Jy ! Total flux subtracted in 200 components = 0.000451444 Jy ! Clean residual min=-0.004510 max=0.003151 Jy/beam ! Clean residual mean=-0.000082 rms=0.001174 Jy/beam ! Combined flux in latest and established models = 0.0981331 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 62 components and 0.0981331 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.329 mas, bmaj=18.11 mas, bpa=13.87 degrees ! Estimated noise=1.20108 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -4.62458e-06 Jy ! Component: 100 - total flux cleaned = 4.67621e-05 Jy ! Component: 150 - total flux cleaned = 9.24057e-05 Jy ! Component: 200 - total flux cleaned = 0.000120819 Jy ! Total flux subtracted in 200 components = 0.000120819 Jy ! Clean residual min=-0.004609 max=0.003125 Jy/beam ! Clean residual mean=-0.000068 rms=0.001156 Jy/beam ! Combined flux in latest and established models = 0.0982539 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 73 components and 0.0982539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059374Jy sigma=0.949592 ! Fit after self-cal, rms=0.059370Jy sigma=0.949434 wmodel J1844-1324_S_2004_05_27_yyk\_map.mod ! Writing 73 model components to file: J1844-1324_S_2004_05_27_yyk_map.mod wobs J1844-1324_S_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1844-1324_S_2004_05_27_yyk_uvs.fits wwins J1844-1324_S_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J1844-1324_S_2004_05_27_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 = -0.00195247 Jy ! Component: 100 - total flux cleaned = -0.0031934 Jy ! Component: 150 - total flux cleaned = -0.00391807 Jy ! Component: 200 - total flux cleaned = -0.00453024 Jy ! Component: 250 - total flux cleaned = -0.00485174 Jy ! Component: 300 - total flux cleaned = -0.0052321 Jy ! Component: 350 - total flux cleaned = -0.00556011 Jy ! Component: 400 - total flux cleaned = -0.00601734 Jy ! Component: 450 - total flux cleaned = -0.00649292 Jy ! Component: 500 - total flux cleaned = -0.00691944 Jy ! Component: 550 - total flux cleaned = -0.00730023 Jy ! Component: 600 - total flux cleaned = -0.0076688 Jy ! Component: 650 - total flux cleaned = -0.00808492 Jy ! Component: 700 - total flux cleaned = -0.00840198 Jy ! Component: 750 - total flux cleaned = -0.00873662 Jy ! Component: 800 - total flux cleaned = -0.0089259 Jy ! Component: 850 - total flux cleaned = -0.00903144 Jy ! Component: 900 - total flux cleaned = -0.00923686 Jy ! Component: 950 - total flux cleaned = -0.00941224 Jy ! Component: 1000 - total flux cleaned = -0.00955885 Jy ! Total flux subtracted in 1024 components = -0.00960719 Jy ! Clean residual min=-0.001702 max=0.001398 Jy/beam ! Clean residual mean=-0.000074 rms=0.000551 Jy/beam ! Combined flux in latest and established models = 0.0886467 Jy keep ! Adding 63 model components to the UV plane model. ! The established model now contains 136 components and 0.0886467 Jy ![Exited script file: muppet] wmap "J1844-1324_S_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.329 x 18.11 at 13.87 degrees (North through East) ! Clean map min=-0.0033156 max=0.079536 Jy/beam ! Writing clean map to FITS file: J1844-1324_S_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0795357 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000543083 device "J1844-1324_S_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1844-1324_S_2004_05_27_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.04845 2.04845 4.0969 8.1938 16.3876 32.7752 65.5504 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.079 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.329 x 18.11 at 13.87 degrees (North through East) ! Clean map min=-0.0033156 max=0.079536 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1844-1324_S_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1844-1324_S_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1844-1324_S_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:04:46 2005