! Started logfile: J0532-3941_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:49:03 2007 obs J0532-3941_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0532-3941_X_2002_01_31_yyk_uva.fits ! AN table 1: 37 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.594595 visibilities/baseline/integration-bin. ! Found source: J0532-3941 ! ! 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 1544 lines of history. ! ! Reading 3960 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 J0532-3941_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)= 0.182902 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=0.6416 mas, bmaj=1.758 mas, bpa=-1.662 degrees ! Estimated noise=3010.41 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 = 0.0478093 Jy ! Component: 100 - total flux cleaned = 0.0577453 Jy ! Total flux subtracted in 100 components = 0.0577453 Jy ! Clean residual min=-0.010922 max=0.011017 Jy/beam ! Clean residual mean=0.000019 rms=0.003624 Jy/beam ! Combined flux in latest and established models = 0.0577453 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 30 components and 0.0577453 Jy ! ! Correcting IF 1. ! A total of 118 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 118 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 118 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 151 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.170697Jy sigma=0.001346 ! Fit after self-cal, rms=0.170380Jy sigma=0.001343 ! Inverting map and beam ! Estimated beam: bmin=0.6416 mas, bmaj=1.758 mas, bpa=-1.662 degrees ! Estimated noise=3010.41 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=0.8223 mas, bmaj=2.258 mas, bpa=-4.261 degrees ! Estimated noise=1623.39 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 = 0.0205739 Jy ! Component: 100 - total flux cleaned = 0.0251366 Jy ! Component: 150 - total flux cleaned = 0.0279131 Jy ! Component: 200 - total flux cleaned = 0.0308383 Jy ! Total flux subtracted in 200 components = 0.0308383 Jy ! Clean residual min=-0.003402 max=0.003400 Jy/beam ! Clean residual mean=0.000054 rms=0.001366 Jy/beam ! Combined flux in latest and established models = 0.0885837 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 63 model components to the UV plane model. ! The established model now contains 88 components and 0.0885837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168385Jy sigma=0.001325 ! Fit after self-cal, rms=0.168366Jy sigma=0.001325 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8223 x 2.258 at -4.261 degrees (North through East) ! Clean map min=-0.0067419 max=0.025776 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 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 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* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* 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=0.168366Jy sigma=0.001325 ! Fit after self-cal, rms=0.168519Jy sigma=0.001326 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=0.168519Jy sigma=0.001326 ! Fit after self-cal, rms=0.168519Jy sigma=0.001326 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8225 mas, bmaj=2.259 mas, bpa=-4.126 degrees ! Estimated noise=1627.54 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 = -0.00108059 Jy ! Component: 100 - total flux cleaned = -0.00150605 Jy ! Component: 150 - total flux cleaned = -0.00131507 Jy ! Component: 200 - total flux cleaned = -0.00151859 Jy ! Total flux subtracted in 200 components = -0.00151859 Jy ! Clean residual min=-0.002197 max=0.002174 Jy/beam ! Clean residual mean=0.000028 rms=0.000889 Jy/beam ! Combined flux in latest and established models = 0.0870651 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 125 components and 0.0870651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168121Jy sigma=0.001323 ! Fit after self-cal, rms=0.168106Jy sigma=0.001323 ! 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=0.168106Jy sigma=0.001323 ! Fit after self-cal, rms=0.166854Jy sigma=0.001313 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 = 1.28114e-05 Jy ! Component: 100 - total flux cleaned = 0.000416888 Jy ! Component: 150 - total flux cleaned = -0.000569834 Jy ! Component: 200 - total flux cleaned = -0.000749209 Jy ! Total flux subtracted in 200 components = -0.000749209 Jy ! Clean residual min=-0.002089 max=0.002093 Jy/beam ! Clean residual mean=0.000039 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.0863158 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 168 components and 0.0863159 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166441Jy sigma=0.001310 ! Fit after self-cal, rms=0.166107Jy sigma=0.001308 ! 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: 0.8225 x 2.259 at -4.126 degrees (North through East) ! Clean map min=-0.0055672 max=0.024803 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=3.197 mas, bmaj=11.52 mas, bpa=1.61 degrees ! Estimated noise=2106.78 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 = 0.000903395 Jy ! Component: 100 - total flux cleaned = 0.00155399 Jy ! Component: 150 - total flux cleaned = 0.00220247 Jy ! Component: 200 - total flux cleaned = 0.00297839 Jy ! Total flux subtracted in 200 components = 0.00297839 Jy ! Clean residual min=-0.001368 max=0.001425 Jy/beam ! Clean residual mean=0.000067 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.0892943 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 211 components and 0.0892943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166045Jy sigma=0.001307 ! Fit after self-cal, rms=0.165919Jy sigma=0.001306 ! 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=0.6416 mas, bmaj=1.758 mas, bpa=-1.661 degrees ! Estimated noise=3017.43 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0549038 Jy ! Component: 100 - total flux cleaned = 0.062935 Jy ! Component: 150 - total flux cleaned = 0.0637628 Jy ! Component: 200 - total flux cleaned = 0.0681156 Jy ! Total flux subtracted in 200 components = 0.0681156 Jy ! Clean residual min=-0.010018 max=0.009983 Jy/beam ! Clean residual mean=0.000021 rms=0.003268 Jy/beam ! Combined flux in latest and established models = 0.0681156 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 38 model components to the UV plane model. ! The established model now contains 38 components and 0.0681156 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8225 mas, bmaj=2.259 mas, bpa=-4.126 degrees ! Estimated noise=1627.54 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 = 0.0069563 Jy ! Component: 100 - total flux cleaned = 0.00898242 Jy ! Component: 150 - total flux cleaned = 0.0109606 Jy ! Component: 200 - total flux cleaned = 0.0134067 Jy ! Total flux subtracted in 200 components = 0.0134067 Jy ! Clean residual min=-0.004234 max=0.004162 Jy/beam ! Clean residual mean=0.000100 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 0.0815223 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 95 components and 0.0815223 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=3.197 mas, bmaj=11.52 mas, bpa=1.61 degrees ! Estimated noise=2106.78 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 = 0.00446885 Jy ! Component: 100 - total flux cleaned = 0.00559173 Jy ! Component: 150 - total flux cleaned = 0.00725267 Jy ! Component: 200 - total flux cleaned = 0.00879594 Jy ! Total flux subtracted in 200 components = 0.00879594 Jy ! Clean residual min=-0.001901 max=0.001878 Jy/beam ! Clean residual mean=0.000135 rms=0.000950 Jy/beam ! Combined flux in latest and established models = 0.0903182 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 152 components and 0.0903182 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8225 mas, bmaj=2.259 mas, bpa=-4.126 degrees ! Estimated noise=1627.54 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373094 Jy ! Component: 100 - total flux cleaned = 0.00471113 Jy ! Component: 150 - total flux cleaned = 0.00453242 Jy ! Component: 200 - total flux cleaned = 0.00436507 Jy ! Total flux subtracted in 200 components = 0.00436507 Jy ! Clean residual min=-0.001962 max=0.001974 Jy/beam ! Clean residual mean=0.000046 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.0946833 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 198 components and 0.0946833 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165856Jy sigma=0.001306 ! Fit after self-cal, rms=0.165654Jy sigma=0.001304 wmodel J0532-3941_X_2002_01_31_yyk\_map.mod ! Writing 198 model components to file: J0532-3941_X_2002_01_31_yyk_map.mod wobs J0532-3941_X_2002_01_31_yyk\_uvs.fits ! Applying 37 buffered edits. ! Writing UV FITS file: J0532-3941_X_2002_01_31_yyk_uvs.fits wwins J0532-3941_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0532-3941_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8225 x 2.259 at -4.126 degrees (North through East) ! Clean map min=-0.015095 max=0.023707 Jy/beam ! Writing clean map to FITS file: J0532-3941_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 0.0237073 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000790616 device "J0532-3941_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0532-3941_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -10.0047 10.0047 20.0094 40.0188 80.0376 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.023 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8225 x 2.259 at -4.126 degrees (North through East) ! Clean map min=-0.015095 max=0.023707 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0532-3941_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0532-3941_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0532-3941_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:49:07 2007