! Started logfile: J0721-3528_S_2002_01_31_yyk_uvs.log on Tue Jun 26 22:25:38 2007 obs J0721-3528_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0721-3528_S_2002_01_31_yyk_uva.fits ! AN table 1: 34 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.27451 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0721-3528 ! ! 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 2.22947e+09 8e+06 1 8e+06 ! 02 2 2.25947e+09 8e+06 1 8e+06 ! 03 3 2.34947e+09 8e+06 1 8e+06 ! 04 4 2.36947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1225 lines of history. ! ! Reading 1680 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 J0721-3528_S_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 0.500x0.500 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.346675 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=2.757 mas, bmaj=59.13 mas, bpa=22.8 degrees ! Estimated noise=3647.21 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 = 0.0267105 Jy ! Component: 100 - total flux cleaned = 0.0284784 Jy ! Total flux subtracted in 100 components = 0.0284784 Jy ! Clean residual min=-0.008843 max=0.008910 Jy/beam ! Clean residual mean=-0.000085 rms=0.003748 Jy/beam ! Combined flux in latest and established models = 0.0284784 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 25 components and 0.0284784 Jy ! ! Correcting IF 1. ! A total of 155 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 211 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 178 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 178 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.343551Jy sigma=0.002613 ! Fit after self-cal, rms=0.343080Jy sigma=0.002609 ! Inverting map and beam ! Estimated beam: bmin=2.757 mas, bmaj=59.13 mas, bpa=22.8 degrees ! Estimated noise=3647.79 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=3.396 mas, bmaj=51.54 mas, bpa=22.44 degrees ! Estimated noise=2723.47 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 = -0.00541816 Jy ! Component: 100 - total flux cleaned = 0.00108762 Jy ! Component: 150 - total flux cleaned = 0.00954217 Jy ! Component: 200 - total flux cleaned = 0.0181323 Jy ! Total flux subtracted in 200 components = 0.0181323 Jy ! Clean residual min=-0.007812 max=0.007833 Jy/beam ! Clean residual mean=0.000358 rms=0.004012 Jy/beam ! Combined flux in latest and established models = 0.0466107 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 97 model components to the UV plane model. ! The established model now contains 122 components and 0.0466107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.339802Jy sigma=0.002584 ! Fit after self-cal, rms=0.339564Jy sigma=0.002582 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.396 x 51.54 at 22.44 degrees (North through East) ! Clean map min=-0.01937 max=0.039579 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 9 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. ! 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=0.339564Jy sigma=0.002582 ! Fit after self-cal, rms=0.340605Jy sigma=0.002591 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=0.340605Jy sigma=0.002591 ! Fit after self-cal, rms=0.340602Jy sigma=0.002591 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.402 mas, bmaj=51.58 mas, bpa=22.45 degrees ! Estimated noise=2734.58 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 = -0.00513123 Jy ! Component: 100 - total flux cleaned = -0.00705101 Jy ! Component: 150 - total flux cleaned = -0.00471576 Jy ! Component: 200 - total flux cleaned = -0.00186277 Jy ! Total flux subtracted in 200 components = -0.00186277 Jy ! Clean residual min=-0.004287 max=0.004319 Jy/beam ! Clean residual mean=0.000141 rms=0.001862 Jy/beam ! Combined flux in latest and established models = 0.044748 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 60 model components to the UV plane model. ! The established model now contains 180 components and 0.044748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.339865Jy sigma=0.002585 ! Fit after self-cal, rms=0.339809Jy sigma=0.002584 ! 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=0.339809Jy sigma=0.002584 ! Fit after self-cal, rms=0.334611Jy sigma=0.002544 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 = -0.00962164 Jy ! Component: 100 - total flux cleaned = -0.0108828 Jy ! Component: 150 - total flux cleaned = -0.00888224 Jy ! Component: 200 - total flux cleaned = -0.00400892 Jy ! Total flux subtracted in 200 components = -0.00400892 Jy ! Clean residual min=-0.007219 max=0.007326 Jy/beam ! Clean residual mean=0.000254 rms=0.003583 Jy/beam ! Combined flux in latest and established models = 0.040739 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 76 model components to the UV plane model. ! The established model now contains 246 components and 0.040739 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332154Jy sigma=0.002524 ! Fit after self-cal, rms=0.331203Jy sigma=0.002516 ! 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: 3.402 x 51.58 at 22.45 degrees (North through East) ! Clean map min=-0.020397 max=0.045704 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=10.31 mas, bmaj=63.72 mas, bpa=14.41 degrees ! Estimated noise=3298.25 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 = 0.0144076 Jy ! Component: 100 - total flux cleaned = 0.0221318 Jy ! Component: 150 - total flux cleaned = 0.030741 Jy ! Component: 200 - total flux cleaned = 0.0392532 Jy ! Total flux subtracted in 200 components = 0.0392532 Jy ! Clean residual min=-0.007321 max=0.007349 Jy/beam ! Clean residual mean=0.000219 rms=0.002803 Jy/beam ! Combined flux in latest and established models = 0.0799922 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 78 model components to the UV plane model. ! The established model now contains 315 components and 0.0799922 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330883Jy sigma=0.002512 ! Fit after self-cal, rms=0.330570Jy sigma=0.002510 ! 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=2.757 mas, bmaj=59.13 mas, bpa=22.8 degrees ! Estimated noise=3678.38 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151833 Jy ! Component: 100 - total flux cleaned = 0.00129386 Jy ! Component: 150 - total flux cleaned = 0.000977296 Jy ! Component: 200 - total flux cleaned = 0.00371033 Jy ! Total flux subtracted in 200 components = 0.00371033 Jy ! Clean residual min=-0.009804 max=0.009798 Jy/beam ! Clean residual mean=0.000102 rms=0.004751 Jy/beam ! Combined flux in latest and established models = 0.00371033 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 63 model components to the UV plane model. ! The established model now contains 63 components and 0.00371033 Jy ! Inverting map and beam ! Estimated beam: bmin=3.402 mas, bmaj=51.58 mas, bpa=22.45 degrees ! Estimated noise=2734.58 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 = 0.00958363 Jy ! Component: 100 - total flux cleaned = 0.0232421 Jy ! Component: 150 - total flux cleaned = 0.0347925 Jy ! Component: 200 - total flux cleaned = 0.0433868 Jy ! Total flux subtracted in 200 components = 0.0433868 Jy ! Clean residual min=-0.009281 max=0.009286 Jy/beam ! Clean residual mean=0.000532 rms=0.004855 Jy/beam ! Combined flux in latest and established models = 0.0470971 Jy ! Adding 100 model components to the UV plane model. ! The established model now contains 162 components and 0.0470971 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=10.31 mas, bmaj=63.72 mas, bpa=14.41 degrees ! Estimated noise=3298.25 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 = 0.00300584 Jy ! Component: 100 - total flux cleaned = 0.0104995 Jy ! Component: 150 - total flux cleaned = 0.0160602 Jy ! Component: 200 - total flux cleaned = 0.0224465 Jy ! Total flux subtracted in 200 components = 0.0224465 Jy ! Clean residual min=-0.007248 max=0.007417 Jy/beam ! Clean residual mean=0.000432 rms=0.002986 Jy/beam ! Combined flux in latest and established models = 0.0695436 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 239 components and 0.0695436 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.402 mas, bmaj=51.58 mas, bpa=22.45 degrees ! Estimated noise=2734.58 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120846 Jy ! Component: 100 - total flux cleaned = 0.0185583 Jy ! Component: 150 - total flux cleaned = 0.0242413 Jy ! Component: 200 - total flux cleaned = 0.0303607 Jy ! Total flux subtracted in 200 components = 0.0303607 Jy ! Clean residual min=-0.003369 max=0.003432 Jy/beam ! Clean residual mean=0.000089 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 0.0999043 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 287 components and 0.0999043 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329936Jy sigma=0.002507 ! Fit after self-cal, rms=0.329522Jy sigma=0.002504 wmodel J0721-3528_S_2002_01_31_yyk\_map.mod ! Writing 287 model components to file: J0721-3528_S_2002_01_31_yyk_map.mod wobs J0721-3528_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J0721-3528_S_2002_01_31_yyk_uvs.fits wwins J0721-3528_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0721-3528_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.402 x 51.58 at 22.45 degrees (North through East) ! Clean map min=-0.02092 max=0.043401 Jy/beam ! Writing clean map to FITS file: J0721-3528_S_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 0.0434015 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00173432 device "J0721-3528_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0721-3528_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -11.988 11.988 23.9759 47.9518 95.9036 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0052 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.043 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.402 x 51.58 at 22.45 degrees (North through East) ! Clean map min=-0.02092 max=0.043401 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0721-3528_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0721-3528_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0721-3528_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 22:25:45 2007