! Started logfile: J0601-2004_S_2005_07_20_yyk_uvs.log on Fri Jan 20 11:16:28 2006 obs J0601-2004_S_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J0601-2004_S_2005_07_20_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.521212 visibilities/baseline/integration-bin. ! Found source: J0601-2004 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1527 lines of history. ! ! Reading 1032 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 J0601-2004_S_2005_07_20_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 = 256x256 pixels with 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.112635 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=4.957 mas, bmaj=21.52 mas, bpa=-7.035 degrees ! Estimated noise=3.20972 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0691267 Jy ! Component: 100 - total flux cleaned = 0.0729833 Jy ! Total flux subtracted in 100 components = 0.0729833 Jy ! Clean residual min=-0.009593 max=0.010447 Jy/beam ! Clean residual mean=-0.000000 rms=0.003063 Jy/beam ! Combined flux in latest and established models = 0.0729833 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0729833 Jy ! ! Correcting IF 1. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 75 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 70 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.083562Jy sigma=1.189241 ! Fit after self-cal, rms=0.078110Jy sigma=1.088560 ! Inverting map and beam ! Estimated beam: bmin=4.964 mas, bmaj=21.31 mas, bpa=-6.951 degrees ! Estimated noise=3.38741 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=6.05 mas, bmaj=22.63 mas, bpa=-6.651 degrees ! Estimated noise=2.01445 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 = 0.00499255 Jy ! Component: 100 - total flux cleaned = 0.00512044 Jy ! Component: 150 - total flux cleaned = 0.00548463 Jy ! Component: 200 - total flux cleaned = 0.00568878 Jy ! Total flux subtracted in 200 components = 0.00568878 Jy ! Clean residual min=-0.006394 max=0.007178 Jy/beam ! Clean residual mean=-0.000015 rms=0.002285 Jy/beam ! Combined flux in latest and established models = 0.0786721 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 0.0786721 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077604Jy sigma=1.080234 ! Fit after self-cal, rms=0.077577Jy sigma=1.079335 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.05 x 22.63 at -6.651 degrees (North through East) ! Clean map min=-0.0062133 max=0.080934 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. ! 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: 0.996101 ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.86 HN 1.19 KP 1.13 ! LA 0.95 MK 1.00* NL 1.00* OV 0.96 ! PT 0.88 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=0.077577Jy sigma=1.079335 ! Fit after self-cal, rms=0.077722Jy sigma=1.077879 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=0.077722Jy sigma=1.077879 ! Fit after self-cal, rms=0.077714Jy sigma=1.077609 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=6.282 mas, bmaj=22.99 mas, bpa=-6.633 degrees ! Estimated noise=1.9921 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 = -0.00282554 Jy ! Component: 100 - total flux cleaned = -0.00302294 Jy ! Component: 150 - total flux cleaned = -0.0030269 Jy ! Component: 200 - total flux cleaned = -0.00302616 Jy ! Total flux subtracted in 200 components = -0.00302616 Jy ! Clean residual min=-0.005934 max=0.007134 Jy/beam ! Clean residual mean=-0.000027 rms=0.002142 Jy/beam ! Combined flux in latest and established models = 0.0756459 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 32 components and 0.0756459 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077557Jy sigma=1.074332 ! Fit after self-cal, rms=0.077541Jy sigma=1.073698 ! 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=0.077541Jy sigma=1.073698 ! Fit after self-cal, rms=0.071574Jy sigma=0.985332 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 = 0.00279051 Jy ! Component: 100 - total flux cleaned = 0.00329746 Jy ! Component: 150 - total flux cleaned = 0.00369859 Jy ! Component: 200 - total flux cleaned = 0.00383967 Jy ! Total flux subtracted in 200 components = 0.00383967 Jy ! Clean residual min=-0.005917 max=0.006356 Jy/beam ! Clean residual mean=-0.000054 rms=0.002009 Jy/beam ! Combined flux in latest and established models = 0.0794856 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 39 components and 0.0794856 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071132Jy sigma=0.979270 ! Fit after self-cal, rms=0.070658Jy sigma=0.972946 ! 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: 6.282 x 22.99 at -6.633 degrees (North through East) ! Clean map min=-0.0060289 max=0.085415 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=9.795 mas, bmaj=22.76 mas, bpa=-4.331 degrees ! Estimated noise=2.12214 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 = 0.000831601 Jy ! Component: 100 - total flux cleaned = 0.00112026 Jy ! Component: 150 - total flux cleaned = 0.00128778 Jy ! Component: 200 - total flux cleaned = 0.0014476 Jy ! Total flux subtracted in 200 components = 0.0014476 Jy ! Clean residual min=-0.005761 max=0.006084 Jy/beam ! Clean residual mean=-0.000070 rms=0.002136 Jy/beam ! Combined flux in latest and established models = 0.0809332 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 0.0809332 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070627Jy sigma=0.972027 ! Fit after self-cal, rms=0.070587Jy sigma=0.971436 ! 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=5.049 mas, bmaj=22.84 mas, bpa=-7.781 degrees ! Estimated noise=2.85889 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0776933 Jy ! Component: 100 - total flux cleaned = 0.0787483 Jy ! Component: 150 - total flux cleaned = 0.079003 Jy ! Component: 200 - total flux cleaned = 0.0791576 Jy ! Total flux subtracted in 200 components = 0.0791576 Jy ! Clean residual min=-0.009152 max=0.006683 Jy/beam ! Clean residual mean=-0.000045 rms=0.002339 Jy/beam ! Combined flux in latest and established models = 0.0791576 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0791576 Jy ! Inverting map and beam ! Estimated beam: bmin=6.282 mas, bmaj=22.99 mas, bpa=-6.633 degrees ! Estimated noise=1.9921 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 = -0.000535834 Jy ! Component: 100 - total flux cleaned = -9.13219e-05 Jy ! Component: 150 - total flux cleaned = 0.000368623 Jy ! Component: 200 - total flux cleaned = 0.000750566 Jy ! Total flux subtracted in 200 components = 0.000750566 Jy ! Clean residual min=-0.006116 max=0.006363 Jy/beam ! Clean residual mean=-0.000062 rms=0.002051 Jy/beam ! Combined flux in latest and established models = 0.0799082 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 24 components and 0.0799082 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=9.795 mas, bmaj=22.76 mas, bpa=-4.331 degrees ! Estimated noise=2.12214 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 = 0.00114733 Jy ! Component: 100 - total flux cleaned = 0.00127146 Jy ! Component: 150 - total flux cleaned = 0.00144523 Jy ! Component: 200 - total flux cleaned = 0.0015544 Jy ! Total flux subtracted in 200 components = 0.0015544 Jy ! Clean residual min=-0.005716 max=0.006059 Jy/beam ! Clean residual mean=-0.000073 rms=0.002157 Jy/beam ! Combined flux in latest and established models = 0.0814626 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.0814625 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=6.282 mas, bmaj=22.99 mas, bpa=-6.633 degrees ! Estimated noise=1.9921 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000272866 Jy ! Component: 100 - total flux cleaned = -0.000335727 Jy ! Component: 150 - total flux cleaned = -0.000389482 Jy ! Component: 200 - total flux cleaned = -0.000337395 Jy ! Total flux subtracted in 200 components = -0.000337395 Jy ! Clean residual min=-0.005800 max=0.005888 Jy/beam ! Clean residual mean=-0.000066 rms=0.001967 Jy/beam ! Combined flux in latest and established models = 0.0811252 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.0811251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070353Jy sigma=0.969315 ! Fit after self-cal, rms=0.070319Jy sigma=0.969037 wmodel J0601-2004_S_2005_07_20_yyk\_map.mod ! Writing 40 model components to file: J0601-2004_S_2005_07_20_yyk_map.mod wobs J0601-2004_S_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J0601-2004_S_2005_07_20_yyk_uvs.fits wwins J0601-2004_S_2005_07_20_yyk\_map.win ! wwins: Wrote 1 windows to J0601-2004_S_2005_07_20_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -9.51594e-05 Jy ! Component: 100 - total flux cleaned = -0.000200584 Jy ! Component: 150 - total flux cleaned = 0.000149738 Jy ! Component: 200 - total flux cleaned = 0.000643878 Jy ! Component: 250 - total flux cleaned = 0.000800042 Jy ! Component: 300 - total flux cleaned = 0.000947143 Jy ! Component: 350 - total flux cleaned = 0.001018 Jy ! Component: 400 - total flux cleaned = 0.000891246 Jy ! Component: 450 - total flux cleaned = 0.000707858 Jy ! Component: 500 - total flux cleaned = 0.000765405 Jy ! Component: 550 - total flux cleaned = 0.000822321 Jy ! Component: 600 - total flux cleaned = 0.000982427 Jy ! Component: 650 - total flux cleaned = 0.00098368 Jy ! Component: 700 - total flux cleaned = 0.00108299 Jy ! Component: 750 - total flux cleaned = 0.00127318 Jy ! Component: 800 - total flux cleaned = 0.00141213 Jy ! Component: 850 - total flux cleaned = 0.00145839 Jy ! Component: 900 - total flux cleaned = 0.0014143 Jy ! Component: 950 - total flux cleaned = 0.00128598 Jy ! Component: 1000 - total flux cleaned = 0.00120268 Jy ! Total flux subtracted in 1024 components = 0.00108011 Jy ! Clean residual min=-0.002262 max=0.003259 Jy/beam ! Clean residual mean=-0.000019 rms=0.000909 Jy/beam ! Combined flux in latest and established models = 0.0822053 Jy keep ! Adding 50 model components to the UV plane model. ! The established model now contains 90 components and 0.0822053 Jy ![Exited script file: muppet] wmap "J0601-2004_S_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.282 x 22.99 at -6.633 degrees (North through East) ! Clean map min=-0.0057861 max=0.085452 Jy/beam ! Writing clean map to FITS file: J0601-2004_S_2005_07_20_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0854518 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000896894 device "J0601-2004_S_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J0601-2004_S_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.14877 3.14877 6.29754 12.5951 25.1902 50.3804 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.085 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.282 x 22.99 at -6.633 degrees (North through East) ! Clean map min=-0.0057861 max=0.085452 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0601-2004_S_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J0601-2004_S_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0601-2004_S_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:16:28 2006