! Started logfile: J0721-3528_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:50:53 2007 obs J0721-3528_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0721-3528_X_2002_01_31_yyk_uva.fits ! AN table 1: 34 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.696078 visibilities/baseline/integration-bin. ! 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 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 4260 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 J0721-3528_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)= 0.214389 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=0.7245 mas, bmaj=1.9 mas, bpa=1.746 degrees ! Estimated noise=2424.1 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 = 0.0658624 Jy ! Component: 100 - total flux cleaned = 0.0714066 Jy ! Total flux subtracted in 100 components = 0.0714066 Jy ! Clean residual min=-0.014119 max=0.014047 Jy/beam ! Clean residual mean=-0.000117 rms=0.004496 Jy/beam ! Combined flux in latest and established models = 0.0714066 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 32 components and 0.0714066 Jy ! ! Correcting IF 1. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.202704Jy sigma=0.001515 ! Fit after self-cal, rms=0.202479Jy sigma=0.001512 ! Inverting map and beam ! Estimated beam: bmin=0.7245 mas, bmaj=1.9 mas, bpa=1.746 degrees ! Estimated noise=2424.1 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=0.9076 mas, bmaj=2.436 mas, bpa=-3.479 degrees ! Estimated noise=1572.72 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 = 0.0136368 Jy ! Component: 100 - total flux cleaned = 0.0137024 Jy ! Component: 150 - total flux cleaned = 0.0158299 Jy ! Component: 200 - total flux cleaned = 0.015148 Jy ! Total flux subtracted in 200 components = 0.015148 Jy ! Clean residual min=-0.004198 max=0.004228 Jy/beam ! Clean residual mean=0.000072 rms=0.001557 Jy/beam ! Combined flux in latest and established models = 0.0865547 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 61 model components to the UV plane model. ! The established model now contains 93 components and 0.0865547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200568Jy sigma=0.001494 ! Fit after self-cal, rms=0.200526Jy sigma=0.001494 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9076 x 2.436 at -3.479 degrees (North through East) ! Clean map min=-0.0064393 max=0.03163 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=0.200526Jy sigma=0.001494 ! Fit after self-cal, rms=0.200526Jy sigma=0.001494 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=0.200526Jy sigma=0.001494 ! Fit after self-cal, rms=0.200526Jy sigma=0.001494 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9076 mas, bmaj=2.436 mas, bpa=-3.479 degrees ! Estimated noise=1572.72 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 = 0.00222967 Jy ! Component: 100 - total flux cleaned = 0.00383012 Jy ! Component: 150 - total flux cleaned = 0.00602004 Jy ! Component: 200 - total flux cleaned = 0.00733795 Jy ! Total flux subtracted in 200 components = 0.00733795 Jy ! Clean residual min=-0.002656 max=0.002668 Jy/beam ! Clean residual mean=0.000049 rms=0.001004 Jy/beam ! Combined flux in latest and established models = 0.0938926 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 136 components and 0.0938926 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199935Jy sigma=0.001490 ! Fit after self-cal, rms=0.199921Jy sigma=0.001490 ! 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=0.199921Jy sigma=0.001490 ! Fit after self-cal, rms=0.199024Jy sigma=0.001482 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 = 0.00713354 Jy ! Component: 100 - total flux cleaned = 0.0108424 Jy ! Component: 150 - total flux cleaned = 0.0138905 Jy ! Component: 200 - total flux cleaned = 0.0156554 Jy ! Total flux subtracted in 200 components = 0.0156554 Jy ! Clean residual min=-0.002994 max=0.002980 Jy/beam ! Clean residual mean=0.000025 rms=0.001122 Jy/beam ! Combined flux in latest and established models = 0.109548 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 178 components and 0.109548 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198198Jy sigma=0.001476 ! Fit after self-cal, rms=0.197774Jy sigma=0.001473 ! 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: 0.9076 x 2.436 at -3.479 degrees (North through East) ! Clean map min=-0.0054901 max=0.033016 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=3.177 mas, bmaj=10.64 mas, bpa=5.641 degrees ! Estimated noise=1928.69 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 = 0.00129125 Jy ! Component: 100 - total flux cleaned = 0.00188138 Jy ! Component: 150 - total flux cleaned = 0.00213812 Jy ! Component: 200 - total flux cleaned = 0.00251464 Jy ! Total flux subtracted in 200 components = 0.00251464 Jy ! Clean residual min=-0.001593 max=0.001569 Jy/beam ! Clean residual mean=0.000031 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.112063 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 228 components and 0.112063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197661Jy sigma=0.001472 ! Fit after self-cal, rms=0.197603Jy sigma=0.001471 ! 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=0.7245 mas, bmaj=1.9 mas, bpa=1.746 degrees ! Estimated noise=2424.1 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0686846 Jy ! Component: 100 - total flux cleaned = 0.0830455 Jy ! Component: 150 - total flux cleaned = 0.0819903 Jy ! Component: 200 - total flux cleaned = 0.0830267 Jy ! Total flux subtracted in 200 components = 0.0830267 Jy ! Clean residual min=-0.012125 max=0.012103 Jy/beam ! Clean residual mean=-0.000076 rms=0.004273 Jy/beam ! Combined flux in latest and established models = 0.0830267 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 41 model components to the UV plane model. ! The established model now contains 41 components and 0.0830267 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9076 mas, bmaj=2.436 mas, bpa=-3.479 degrees ! Estimated noise=1572.72 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 = 0.00900699 Jy ! Component: 100 - total flux cleaned = 0.0140508 Jy ! Component: 150 - total flux cleaned = 0.0182743 Jy ! Component: 200 - total flux cleaned = 0.0237677 Jy ! Total flux subtracted in 200 components = 0.0237677 Jy ! Clean residual min=-0.003792 max=0.003788 Jy/beam ! Clean residual mean=0.000047 rms=0.001480 Jy/beam ! Combined flux in latest and established models = 0.106794 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 93 components and 0.106794 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=3.177 mas, bmaj=10.64 mas, bpa=5.641 degrees ! Estimated noise=1928.69 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 = -0.000905897 Jy ! Component: 100 - total flux cleaned = -0.0016579 Jy ! Component: 150 - total flux cleaned = -0.00208138 Jy ! Component: 200 - total flux cleaned = -0.00304186 Jy ! Total flux subtracted in 200 components = -0.00304186 Jy ! Clean residual min=-0.001671 max=0.001658 Jy/beam ! Clean residual mean=0.000027 rms=0.000777 Jy/beam ! Combined flux in latest and established models = 0.103753 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 163 components and 0.103753 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9076 mas, bmaj=2.436 mas, bpa=-3.479 degrees ! Estimated noise=1572.72 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00186868 Jy ! Component: 100 - total flux cleaned = 0.00319368 Jy ! Component: 150 - total flux cleaned = 0.00381078 Jy ! Component: 200 - total flux cleaned = 0.00451121 Jy ! Total flux subtracted in 200 components = 0.00451121 Jy ! Clean residual min=-0.002136 max=0.002140 Jy/beam ! Clean residual mean=0.000019 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 0.108264 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 46 model components to the UV plane model. ! The established model now contains 201 components and 0.108264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196999Jy sigma=0.001468 ! Fit after self-cal, rms=0.196854Jy sigma=0.001467 wmodel J0721-3528_X_2002_01_31_yyk\_map.mod ! Writing 201 model components to file: J0721-3528_X_2002_01_31_yyk_map.mod wobs J0721-3528_X_2002_01_31_yyk\_uvs.fits ! Applying 34 buffered edits. ! Writing UV FITS file: J0721-3528_X_2002_01_31_yyk_uvs.fits wwins J0721-3528_X_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0721-3528_X_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9076 x 2.436 at -3.479 degrees (North through East) ! Clean map min=-0.0078354 max=0.04264 Jy/beam ! Writing clean map to FITS file: J0721-3528_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 0.0426404 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00083697 device "J0721-3528_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0721-3528_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -5.88858 5.88858 11.7772 23.5543 47.1086 94.2173 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.042 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9076 x 2.436 at -3.479 degrees (North through East) ! Clean map min=-0.0078354 max=0.04264 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0721-3528_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0721-3528_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0721-3528_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:50:57 2007