! Started logfile: J2330-4539_X_2002_01_31_yyk_uvs.log on Wed Jun 27 11:06:02 2007 obs J2330-4539_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J2330-4539_X_2002_01_31_yyk_uva.fits ! AN table 1: 34 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.324183 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2330-4539 ! ! 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 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1545 lines of history. ! ! Reading 1984 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 flag NL ! Flagging baselines of antenna 1:NL in the currently selected channels. ![@muppet J2330-4539_X_2002_01_31_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 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.220863 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=0.6769 mas, bmaj=11.33 mas, bpa=20.22 degrees ! Estimated noise=2820.17 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 = 0.0631371 Jy ! Component: 100 - total flux cleaned = 0.0967181 Jy ! Total flux subtracted in 100 components = 0.0967181 Jy ! Clean residual min=-0.014080 max=0.014068 Jy/beam ! Clean residual mean=0.000269 rms=0.005603 Jy/beam ! Combined flux in latest and established models = 0.0967181 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 28 components and 0.0967181 Jy ! ! Correcting IF 1. ! A total of 142 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 142 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 142 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 142 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.206492Jy sigma=0.001485 ! Fit after self-cal, rms=0.203311Jy sigma=0.001457 ! Inverting map and beam ! Estimated beam: bmin=0.6769 mas, bmaj=11.33 mas, bpa=20.22 degrees ! Estimated noise=2831.36 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=0.9159 mas, bmaj=10.95 mas, bpa=20.11 degrees ! Estimated noise=2090.07 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 = 0.0302212 Jy ! Component: 100 - total flux cleaned = 0.0333211 Jy ! Component: 150 - total flux cleaned = 0.0325451 Jy ! Component: 200 - total flux cleaned = 0.0340752 Jy ! Total flux subtracted in 200 components = 0.0340752 Jy ! Clean residual min=-0.009880 max=0.010181 Jy/beam ! Clean residual mean=0.000413 rms=0.003738 Jy/beam ! Combined flux in latest and established models = 0.130793 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 69 components and 0.130793 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198053Jy sigma=0.001405 ! Fit after self-cal, rms=0.197812Jy sigma=0.001403 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9159 x 10.95 at 20.11 degrees (North through East) ! Clean map min=-0.010167 max=0.03966 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 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. ! 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: 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=0.197812Jy sigma=0.001403 ! Fit after self-cal, rms=0.197812Jy sigma=0.001403 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=0.197812Jy sigma=0.001403 ! Fit after self-cal, rms=0.197812Jy sigma=0.001403 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9159 mas, bmaj=10.95 mas, bpa=20.11 degrees ! Estimated noise=2090.07 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 = 0.00968071 Jy ! Component: 100 - total flux cleaned = 0.0120978 Jy ! Component: 150 - total flux cleaned = 0.0153464 Jy ! Component: 200 - total flux cleaned = 0.0180125 Jy ! Total flux subtracted in 200 components = 0.0180125 Jy ! Clean residual min=-0.004048 max=0.004036 Jy/beam ! Clean residual mean=0.000219 rms=0.001668 Jy/beam ! Combined flux in latest and established models = 0.148806 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 117 components and 0.148806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196754Jy sigma=0.001395 ! Fit after self-cal, rms=0.196681Jy sigma=0.001394 ! 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=0.196681Jy sigma=0.001394 ! Fit after self-cal, rms=0.187381Jy sigma=0.001307 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 = 0.0103544 Jy ! Component: 100 - total flux cleaned = 0.0128638 Jy ! Component: 150 - total flux cleaned = 0.0128591 Jy ! Component: 200 - total flux cleaned = 0.0124861 Jy ! Total flux subtracted in 200 components = 0.0124861 Jy ! Clean residual min=-0.004035 max=0.004093 Jy/beam ! Clean residual mean=0.000137 rms=0.001776 Jy/beam ! Combined flux in latest and established models = 0.161292 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 175 components and 0.161292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185155Jy sigma=0.001289 ! Fit after self-cal, rms=0.184191Jy sigma=0.001282 ! 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: 0.9159 x 10.95 at 20.11 degrees (North through East) ! Clean map min=-0.013176 max=0.043573 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=3.14 mas, bmaj=17.39 mas, bpa=6.196 degrees ! Estimated noise=2542.84 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 = 0.00291955 Jy ! Component: 100 - total flux cleaned = 0.00225072 Jy ! Component: 150 - total flux cleaned = 0.00297025 Jy ! Component: 200 - total flux cleaned = 0.00344962 Jy ! Total flux subtracted in 200 components = 0.00344962 Jy ! Clean residual min=-0.001940 max=0.001967 Jy/beam ! Clean residual mean=0.000095 rms=0.001084 Jy/beam ! Combined flux in latest and established models = 0.164742 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 62 model components to the UV plane model. ! The established model now contains 233 components and 0.164742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183730Jy sigma=0.001279 ! Fit after self-cal, rms=0.183589Jy sigma=0.001278 ! 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=0.6769 mas, bmaj=11.33 mas, bpa=20.22 degrees ! Estimated noise=2831.36 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0941659 Jy ! Component: 100 - total flux cleaned = 0.136334 Jy ! Component: 150 - total flux cleaned = 0.144355 Jy ! Component: 200 - total flux cleaned = 0.147931 Jy ! Total flux subtracted in 200 components = 0.147931 Jy ! Clean residual min=-0.015063 max=0.015196 Jy/beam ! Clean residual mean=0.000328 rms=0.005102 Jy/beam ! Combined flux in latest and established models = 0.147931 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 44 model components to the UV plane model. ! The established model now contains 44 components and 0.147931 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9159 mas, bmaj=10.95 mas, bpa=20.11 degrees ! Estimated noise=2090.07 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 = 0.0107949 Jy ! Component: 100 - total flux cleaned = 0.0217211 Jy ! Component: 150 - total flux cleaned = 0.0252602 Jy ! Component: 200 - total flux cleaned = 0.0311315 Jy ! Total flux subtracted in 200 components = 0.0311315 Jy ! Clean residual min=-0.005354 max=0.005294 Jy/beam ! Clean residual mean=0.000432 rms=0.002648 Jy/beam ! Combined flux in latest and established models = 0.179063 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 108 components and 0.179063 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=3.14 mas, bmaj=17.39 mas, bpa=6.196 degrees ! Estimated noise=2542.84 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 = 0.000855016 Jy ! Component: 100 - total flux cleaned = 0.00673346 Jy ! Component: 150 - total flux cleaned = 0.0121482 Jy ! Component: 200 - total flux cleaned = 0.0172532 Jy ! Total flux subtracted in 200 components = 0.0172532 Jy ! Clean residual min=-0.002391 max=0.002447 Jy/beam ! Clean residual mean=0.000257 rms=0.001343 Jy/beam ! Combined flux in latest and established models = 0.196316 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 188 components and 0.196316 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9159 mas, bmaj=10.95 mas, bpa=20.11 degrees ! Estimated noise=2090.07 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000607653 Jy ! Component: 100 - total flux cleaned = 0.00139358 Jy ! Component: 150 - total flux cleaned = 0.00157147 Jy ! Component: 200 - total flux cleaned = 0.00218018 Jy ! Total flux subtracted in 200 components = 0.00218018 Jy ! Clean residual min=-0.002555 max=0.002624 Jy/beam ! Clean residual mean=0.000009 rms=0.001036 Jy/beam ! Combined flux in latest and established models = 0.198496 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 226 components and 0.198496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183388Jy sigma=0.001277 ! Fit after self-cal, rms=0.183236Jy sigma=0.001277 wmodel J2330-4539_X_2002_01_31_yyk\_map.mod ! Writing 226 model components to file: J2330-4539_X_2002_01_31_yyk_map.mod wobs J2330-4539_X_2002_01_31_yyk\_uvs.fits ! Applying 34 buffered edits. ! Writing UV FITS file: J2330-4539_X_2002_01_31_yyk_uvs.fits wwins J2330-4539_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2330-4539_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9159 x 10.95 at 20.11 degrees (North through East) ! Clean map min=-0.013601 max=0.052531 Jy/beam ! Writing clean map to FITS file: J2330-4539_X_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0525311 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000986398 device "J2330-4539_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J2330-4539_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -5.63322 5.63322 11.2664 22.5329 45.0658 90.1316 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.052 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9159 x 10.95 at 20.11 degrees (North through East) ! Clean map min=-0.013601 max=0.052531 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2330-4539_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J2330-4539_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2330-4539_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 11:06:07 2007