! Started logfile: J1704-1316_S_2004_05_27_yyk_uvs.log on Wed Dec 7 01:04:21 2005 obs J1704-1316_S_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1704-1316_S_2004_05_27_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.590123 visibilities/baseline/integration-bin. ! Found source: J1704-1316 ! ! 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 1387 lines of history. ! ! Reading 956 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 J1704-1316_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)= 0.123668 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 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 46 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.894551Jy sigma=18.206965 ! Fit after self-cal, rms=0.894304Jy sigma=18.201675 ! 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=8.86 mas, bmaj=17.17 mas, bpa=-11.01 degrees ! Estimated noise=2.04855 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 = 0.0872843 Jy ! Component: 100 - total flux cleaned = 0.108334 Jy ! Total flux subtracted in 100 components = 0.108334 Jy ! Clean residual min=-0.006542 max=0.006667 Jy/beam ! Clean residual mean=-0.000030 rms=0.002842 Jy/beam ! Combined flux in latest and established models = 0.108334 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 0.108334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058459Jy sigma=1.018948 ! Fit after self-cal, rms=0.058377Jy sigma=1.016769 ! 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=11.3 mas, bmaj=17.09 mas, bpa=-7.413 degrees ! Estimated noise=1.47485 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 = 0.00808131 Jy ! Component: 100 - total flux cleaned = 0.0101698 Jy ! Component: 150 - total flux cleaned = 0.0109642 Jy ! Component: 200 - total flux cleaned = 0.0108061 Jy ! Total flux subtracted in 200 components = 0.0108061 Jy ! Clean residual min=-0.001888 max=0.001891 Jy/beam ! Clean residual mean=-0.000079 rms=0.000899 Jy/beam ! Combined flux in latest and established models = 0.11914 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 79 components and 0.11914 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056126Jy sigma=0.972038 ! Fit after self-cal, rms=0.056161Jy sigma=0.971801 ! 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: 0.997776 ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 1.00* KP 1.00 ! LA 1.02 MK 1.00* NL 1.00* OV 0.96 ! PT 1.07 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00054 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.94 HN 1.00* KP 0.99 ! LA 0.94 MK 1.00* NL 1.12 OV 1.08 ! PT 0.92 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.99521 ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 0.92 HN 1.00* KP 1.01 ! LA 0.95 MK 1.00* NL 0.93 OV 1.01 ! PT 1.05 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1.04873 ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.97 HN 1.00* KP 0.84 ! LA 1.00* MK 1.00* NL 1.00* OV 0.95 ! PT 0.90 SC 1.00* ! ! ! Fit before self-cal, rms=0.056161Jy sigma=0.971801 ! Fit after self-cal, rms=0.053986Jy sigma=0.943669 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=0.053986Jy sigma=0.943669 ! Fit after self-cal, rms=0.053986Jy sigma=0.943654 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=11.46 mas, bmaj=17.24 mas, bpa=-8.435 degrees ! Estimated noise=1.45751 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 = 0.00142284 Jy ! Component: 100 - total flux cleaned = 0.000807503 Jy ! Component: 150 - total flux cleaned = -0.000210311 Jy ! Component: 200 - total flux cleaned = -0.0012861 Jy ! Total flux subtracted in 200 components = -0.0012861 Jy ! Clean residual min=-0.000702 max=0.000704 Jy/beam ! Clean residual mean=-0.000037 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.117854 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 120 components and 0.117854 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053812Jy sigma=0.939304 ! Fit after self-cal, rms=0.053833Jy sigma=0.939221 ! 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=0.053833Jy sigma=0.939221 ! Fit after self-cal, rms=0.049516Jy sigma=0.863239 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 = 0.000696826 Jy ! Component: 100 - total flux cleaned = 0.000654727 Jy ! Component: 150 - total flux cleaned = 0.000499696 Jy ! Component: 200 - total flux cleaned = 0.000356643 Jy ! Total flux subtracted in 200 components = 0.000356643 Jy ! Clean residual min=-0.000567 max=0.000573 Jy/beam ! Clean residual mean=-0.000024 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.11821 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 53 model components to the UV plane model. ! The established model now contains 168 components and 0.118211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049332Jy sigma=0.860538 ! Fit after self-cal, rms=0.048714Jy sigma=0.856140 ! 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: 11.46 x 17.24 at -8.435 degrees (North through East) ! Clean map min=-0.00288 max=0.098438 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=13.29 mas, bmaj=17.74 mas, bpa=-3.3 degrees ! Estimated noise=1.47753 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 = -0.000102171 Jy ! Component: 100 - total flux cleaned = -0.000370514 Jy ! Component: 150 - total flux cleaned = -0.000480537 Jy ! Component: 200 - total flux cleaned = -0.000623342 Jy ! Total flux subtracted in 200 components = -0.000623342 Jy ! Clean residual min=-0.000444 max=0.000446 Jy/beam ! Clean residual mean=-0.000021 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.117587 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 63 model components to the UV plane model. ! The established model now contains 215 components and 0.117587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048656Jy sigma=0.855172 ! Fit after self-cal, rms=0.048441Jy sigma=0.854590 ! 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=8.931 mas, bmaj=17.25 mas, bpa=-11.48 degrees ! Estimated noise=2.03468 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0884968 Jy ! Component: 100 - total flux cleaned = 0.109104 Jy ! Component: 150 - total flux cleaned = 0.11504 Jy ! Component: 200 - total flux cleaned = 0.11528 Jy ! Total flux subtracted in 200 components = 0.11528 Jy ! Clean residual min=-0.003059 max=0.003088 Jy/beam ! Clean residual mean=-0.000047 rms=0.001415 Jy/beam ! Combined flux in latest and established models = 0.11528 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 43 model components to the UV plane model. ! The established model now contains 43 components and 0.11528 Jy ! Inverting map and beam ! Estimated beam: bmin=11.46 mas, bmaj=17.24 mas, bpa=-8.435 degrees ! Estimated noise=1.45751 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 = 0.00277563 Jy ! Component: 100 - total flux cleaned = 0.00105386 Jy ! Component: 150 - total flux cleaned = 0.000455399 Jy ! Component: 200 - total flux cleaned = -0.00013288 Jy ! Total flux subtracted in 200 components = -0.00013288 Jy ! Clean residual min=-0.001138 max=0.001161 Jy/beam ! Clean residual mean=-0.000056 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.115147 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 89 components and 0.115147 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=13.29 mas, bmaj=17.74 mas, bpa=-3.3 degrees ! Estimated noise=1.47753 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 = -0.000565726 Jy ! Component: 100 - total flux cleaned = -0.00131745 Jy ! Component: 150 - total flux cleaned = -0.00196328 Jy ! Component: 200 - total flux cleaned = -0.0022991 Jy ! Total flux subtracted in 200 components = -0.0022991 Jy ! Clean residual min=-0.000576 max=0.000571 Jy/beam ! Clean residual mean=-0.000032 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.112848 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 139 components and 0.112848 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=11.46 mas, bmaj=17.24 mas, bpa=-8.435 degrees ! Estimated noise=1.45751 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000502216 Jy ! Component: 100 - total flux cleaned = -0.000983376 Jy ! Component: 150 - total flux cleaned = -0.0012662 Jy ! Component: 200 - total flux cleaned = -0.00150002 Jy ! Total flux subtracted in 200 components = -0.00150002 Jy ! Clean residual min=-0.000479 max=0.000480 Jy/beam ! Clean residual mean=-0.000022 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.111348 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 180 components and 0.111348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048382Jy sigma=0.854275 ! Fit after self-cal, rms=0.048269Jy sigma=0.854064 wmodel J1704-1316_S_2004_05_27_yyk\_map.mod ! Writing 180 model components to file: J1704-1316_S_2004_05_27_yyk_map.mod wobs J1704-1316_S_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1704-1316_S_2004_05_27_yyk_uvs.fits wwins J1704-1316_S_2004_05_27_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1704-1316_S_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.46 x 17.24 at -8.435 degrees (North through East) ! Clean map min=-0.0036058 max=0.098429 Jy/beam ! Writing clean map to FITS file: J1704-1316_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 0.0984292 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000219805 device "J1704-1316_S_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1704-1316_S_2004_05_27_yyk_map.eps/VPS' loglevs 4*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.67975 2.67975 5.3595 10.719 21.438 42.876 85.752 print "clev=",int(4*3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.098 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.46 x 17.24 at -8.435 degrees (North through East) ! Clean map min=-0.0036058 max=0.098429 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1704-1316_S_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1704-1316_S_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1704-1316_S_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:04:22 2005