! Started logfile: J0045-3900_X_2002_05_14_yyk_uvs.log on Tue Jun 26 21:52:56 2007 obs J0045-3900_X_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J0045-3900_X_2002_05_14_yyk_uva.fits ! AN table 1: 39 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.442735 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0045-3900 ! ! 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 1076 lines of history. ! ! Reading 3108 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 J0045-3900_X_2002_05_14_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)= 0.283663 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=0.8238 mas, bmaj=6.683 mas, bpa=24.09 degrees ! Estimated noise=2612.21 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 = 0.0754661 Jy ! Component: 100 - total flux cleaned = 0.107489 Jy ! Total flux subtracted in 100 components = 0.107489 Jy ! Clean residual min=-0.014809 max=0.014986 Jy/beam ! Clean residual mean=-0.000086 rms=0.005322 Jy/beam ! Combined flux in latest and established models = 0.107489 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 26 components and 0.107489 Jy ! ! Correcting IF 1. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.271032Jy sigma=0.001532 ! Fit after self-cal, rms=0.270245Jy sigma=0.001527 ! Inverting map and beam ! Estimated beam: bmin=0.8238 mas, bmaj=6.683 mas, bpa=24.09 degrees ! Estimated noise=2612.21 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=1.023 mas, bmaj=7.578 mas, bpa=22.72 degrees ! Estimated noise=1913.69 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 = 0.0222408 Jy ! Component: 100 - total flux cleaned = 0.0230272 Jy ! Component: 150 - total flux cleaned = 0.0200953 Jy ! Component: 200 - total flux cleaned = 0.0160518 Jy ! Total flux subtracted in 200 components = 0.0160518 Jy ! Clean residual min=-0.004611 max=0.004590 Jy/beam ! Clean residual mean=-0.000148 rms=0.001887 Jy/beam ! Combined flux in latest and established models = 0.12354 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 77 components and 0.12354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267955Jy sigma=0.001505 ! Fit after self-cal, rms=0.267858Jy sigma=0.001505 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.023 x 7.578 at 22.72 degrees (North through East) ! Clean map min=-0.0087995 max=0.063491 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 2. ! 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.01471 ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.84 HN 1.00* KP 1.00* ! LA 0.89 NL 0.89 OV 1.06 PT 1.09 ! SC 0.98 MK 1.00* ! ! ! Fit before self-cal, rms=0.267858Jy sigma=0.001505 ! Fit after self-cal, rms=0.267758Jy sigma=0.001505 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=0.267758Jy sigma=0.001505 ! Fit after self-cal, rms=0.267757Jy sigma=0.001505 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.028 mas, bmaj=7.516 mas, bpa=22.76 degrees ! Estimated noise=1907.45 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 = -0.00127114 Jy ! Component: 100 - total flux cleaned = -0.0039554 Jy ! Component: 150 - total flux cleaned = -0.00532262 Jy ! Component: 200 - total flux cleaned = -0.0063101 Jy ! Total flux subtracted in 200 components = -0.0063101 Jy ! Clean residual min=-0.002305 max=0.002333 Jy/beam ! Clean residual mean=-0.000045 rms=0.000941 Jy/beam ! Combined flux in latest and established models = 0.11723 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 128 components and 0.11723 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267296Jy sigma=0.001502 ! Fit after self-cal, rms=0.267268Jy sigma=0.001502 ! 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=0.267268Jy sigma=0.001502 ! Fit after self-cal, rms=0.265166Jy sigma=0.001486 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 = 0.00242115 Jy ! Component: 100 - total flux cleaned = 0.00146382 Jy ! Component: 150 - total flux cleaned = 0.00167027 Jy ! Component: 200 - total flux cleaned = 0.00187788 Jy ! Total flux subtracted in 200 components = 0.00187788 Jy ! Clean residual min=-0.003036 max=0.003047 Jy/beam ! Clean residual mean=-0.000006 rms=0.001153 Jy/beam ! Combined flux in latest and established models = 0.119108 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 42 model components to the UV plane model. ! The established model now contains 166 components and 0.119108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264439Jy sigma=0.001482 ! Fit after self-cal, rms=0.263477Jy sigma=0.001477 ! 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: 1.028 x 7.516 at 22.76 degrees (North through East) ! Clean map min=-0.0079679 max=0.062789 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=2.548 mas, bmaj=13.14 mas, bpa=8.949 degrees ! Estimated noise=2218.48 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 = -0.00203283 Jy ! Component: 100 - total flux cleaned = -0.00247537 Jy ! Component: 150 - total flux cleaned = -0.00267054 Jy ! Component: 200 - total flux cleaned = -0.00205588 Jy ! Total flux subtracted in 200 components = -0.00205588 Jy ! Clean residual min=-0.001884 max=0.001877 Jy/beam ! Clean residual mean=0.000012 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.117052 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 211 components and 0.117052 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263180Jy sigma=0.001475 ! Fit after self-cal, rms=0.262853Jy sigma=0.001474 ! 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=0.8263 mas, bmaj=6.645 mas, bpa=24.13 degrees ! Estimated noise=2611.33 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0873536 Jy ! Component: 100 - total flux cleaned = 0.11931 Jy ! Component: 150 - total flux cleaned = 0.134137 Jy ! Component: 200 - total flux cleaned = 0.139657 Jy ! Total flux subtracted in 200 components = 0.139657 Jy ! Clean residual min=-0.008963 max=0.008879 Jy/beam ! Clean residual mean=0.000012 rms=0.003433 Jy/beam ! Combined flux in latest and established models = 0.139658 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 61 model components to the UV plane model. ! The established model now contains 61 components and 0.139658 Jy ! Inverting map and beam ! Estimated beam: bmin=1.028 mas, bmaj=7.516 mas, bpa=22.76 degrees ! Estimated noise=1907.45 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 = 0.0045773 Jy ! Component: 100 - total flux cleaned = 0.00492565 Jy ! Component: 150 - total flux cleaned = 0.0065142 Jy ! Component: 200 - total flux cleaned = 0.00887185 Jy ! Total flux subtracted in 200 components = 0.00887185 Jy ! Clean residual min=-0.003843 max=0.003851 Jy/beam ! Clean residual mean=-0.000038 rms=0.001729 Jy/beam ! Combined flux in latest and established models = 0.148529 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 133 components and 0.148529 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=2.548 mas, bmaj=13.14 mas, bpa=8.949 degrees ! Estimated noise=2218.48 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 = -0.00125144 Jy ! Component: 100 - total flux cleaned = -0.00123386 Jy ! Component: 150 - total flux cleaned = -0.000837293 Jy ! Component: 200 - total flux cleaned = 2.52385e-05 Jy ! Total flux subtracted in 200 components = 2.52385e-05 Jy ! Clean residual min=-0.002059 max=0.002078 Jy/beam ! Clean residual mean=0.000014 rms=0.000953 Jy/beam ! Combined flux in latest and established models = 0.148555 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 191 components and 0.148555 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.028 mas, bmaj=7.516 mas, bpa=22.76 degrees ! Estimated noise=1907.45 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00372217 Jy ! Component: 100 - total flux cleaned = 0.00413407 Jy ! Component: 150 - total flux cleaned = 0.00561914 Jy ! Component: 200 - total flux cleaned = 0.00665492 Jy ! Total flux subtracted in 200 components = 0.00665493 Jy ! Clean residual min=-0.002100 max=0.002098 Jy/beam ! Clean residual mean=0.000012 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.15521 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 43 model components to the UV plane model. ! The established model now contains 230 components and 0.15521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.262624Jy sigma=0.001473 ! Fit after self-cal, rms=0.262431Jy sigma=0.001472 wmodel J0045-3900_X_2002_05_14_yyk\_map.mod ! Writing 230 model components to file: J0045-3900_X_2002_05_14_yyk_map.mod wobs J0045-3900_X_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J0045-3900_X_2002_05_14_yyk_uvs.fits wwins J0045-3900_X_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0045-3900_X_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.028 x 7.516 at 22.76 degrees (North through East) ! Clean map min=-0.0099374 max=0.029533 Jy/beam ! Writing clean map to FITS file: J0045-3900_X_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0295335 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000945188 device "J0045-3900_X_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0045-3900_X_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -9.60119 9.60119 19.2024 38.4047 76.8095 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0028 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.029 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.028 x 7.516 at 22.76 degrees (North through East) ! Clean map min=-0.0099374 max=0.029533 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0045-3900_X_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0045-3900_X_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0045-3900_X_2002_05_14_yyk_uvs.log closed on Tue Jun 26 21:53:00 2007