! Started logfile: J1451-2329_X_2005_07_20_yyk_uvs.log on Fri Jan 20 11:25:30 2006 obs J1451-2329_X_2005_07_20_yyk_uve.fits ! Reading UV FITS file: J1451-2329_X_2005_07_20_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.50303 visibilities/baseline/integration-bin. ! Found source: J1451-2329 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1488 lines of history. ! ! Reading 996 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 J1451-2329_X_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 0.400x0.400 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.134506 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=2.13 mas, bmaj=6.291 mas, bpa=-1.034 degrees ! Estimated noise=3.59056 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 = 0.0583042 Jy ! Component: 100 - total flux cleaned = 0.0805804 Jy ! Total flux subtracted in 100 components = 0.0805804 Jy ! Clean residual min=-0.017885 max=0.017775 Jy/beam ! Clean residual mean=-0.000062 rms=0.005290 Jy/beam ! Combined flux in latest and established models = 0.0805804 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0805804 Jy ! ! Correcting IF 1. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 51 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.108001Jy sigma=1.680697 ! Fit after self-cal, rms=0.097797Jy sigma=1.489559 ! Inverting map and beam ! Estimated beam: bmin=2.131 mas, bmaj=6.294 mas, bpa=-1.029 degrees ! Estimated noise=3.64907 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=2.615 mas, bmaj=7.323 mas, bpa=-1.874 degrees ! Estimated noise=2.19228 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 = 0.041541 Jy ! Component: 100 - total flux cleaned = 0.049981 Jy ! Component: 150 - total flux cleaned = 0.0509821 Jy ! Component: 200 - total flux cleaned = 0.0511196 Jy ! Total flux subtracted in 200 components = 0.0511196 Jy ! Clean residual min=-0.011566 max=0.012043 Jy/beam ! Clean residual mean=0.000164 rms=0.003917 Jy/beam ! Combined flux in latest and established models = 0.1317 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 26 components and 0.1317 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091341Jy sigma=1.266827 ! Fit after self-cal, rms=0.090798Jy sigma=1.258198 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.615 x 7.323 at -1.874 degrees (North through East) ! Clean map min=-0.011827 max=0.088656 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. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.01599 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.15 HN 1.00* KP 0.91 ! LA 1.03 MK 1.00* NL 0.87 OV 0.95 ! PT 0.93 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.090798Jy sigma=1.258198 ! Fit after self-cal, rms=0.089844Jy sigma=1.247107 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=0.089844Jy sigma=1.247107 ! Fit after self-cal, rms=0.089863Jy sigma=1.247052 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.528 mas, bmaj=7.332 mas, bpa=-3.467 degrees ! Estimated noise=2.15168 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 = -0.000570198 Jy ! Component: 100 - total flux cleaned = -7.25815e-05 Jy ! Component: 150 - total flux cleaned = 0.000199376 Jy ! Component: 200 - total flux cleaned = 0.000541666 Jy ! Total flux subtracted in 200 components = 0.000541666 Jy ! Clean residual min=-0.009815 max=0.010030 Jy/beam ! Clean residual mean=0.000155 rms=0.003260 Jy/beam ! Combined flux in latest and established models = 0.132242 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 0.132242 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.089645Jy sigma=1.238587 ! Fit after self-cal, rms=0.089569Jy sigma=1.237049 ! 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=0.089569Jy sigma=1.237049 ! Fit after self-cal, rms=0.074958Jy sigma=1.024168 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 = 0.00807266 Jy ! Component: 100 - total flux cleaned = 0.00744207 Jy ! Component: 150 - total flux cleaned = 0.00662584 Jy ! Component: 200 - total flux cleaned = 0.00608111 Jy ! Total flux subtracted in 200 components = 0.00608111 Jy ! Clean residual min=-0.010570 max=0.010004 Jy/beam ! Clean residual mean=0.000116 rms=0.003178 Jy/beam ! Combined flux in latest and established models = 0.138323 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 52 components and 0.138323 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074405Jy sigma=0.998783 ! Fit after self-cal, rms=0.073027Jy sigma=0.982568 ! 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: 2.528 x 7.332 at -3.467 degrees (North through East) ! Clean map min=-0.0097719 max=0.09766 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=2.872 mas, bmaj=7.73 mas, bpa=-2.908 degrees ! Estimated noise=2.19588 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 = -0.000230285 Jy ! Component: 100 - total flux cleaned = -0.000764628 Jy ! Component: 150 - total flux cleaned = -0.00106037 Jy ! Component: 200 - total flux cleaned = -0.00130245 Jy ! Total flux subtracted in 200 components = -0.00130245 Jy ! Clean residual min=-0.009638 max=0.009260 Jy/beam ! Clean residual mean=0.000131 rms=0.003039 Jy/beam ! Combined flux in latest and established models = 0.13702 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 0.13702 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073018Jy sigma=0.974107 ! Fit after self-cal, rms=0.072422Jy sigma=0.968910 ! 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=2.103 mas, bmaj=6.323 mas, bpa=-1.624 degrees ! Estimated noise=3.5746 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0834646 Jy ! Component: 100 - total flux cleaned = 0.108599 Jy ! Component: 150 - total flux cleaned = 0.122488 Jy ! Component: 200 - total flux cleaned = 0.131033 Jy ! Total flux subtracted in 200 components = 0.131033 Jy ! Clean residual min=-0.011646 max=0.013123 Jy/beam ! Clean residual mean=0.000028 rms=0.003614 Jy/beam ! Combined flux in latest and established models = 0.131033 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 31 model components to the UV plane model. ! The established model now contains 31 components and 0.131033 Jy ! Inverting map and beam ! Estimated beam: bmin=2.528 mas, bmaj=7.332 mas, bpa=-3.467 degrees ! Estimated noise=2.15168 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 = 0.00377487 Jy ! Component: 100 - total flux cleaned = 0.00452505 Jy ! Component: 150 - total flux cleaned = 0.00451631 Jy ! Component: 200 - total flux cleaned = 0.00466424 Jy ! Total flux subtracted in 200 components = 0.00466424 Jy ! Clean residual min=-0.010760 max=0.009841 Jy/beam ! Clean residual mean=0.000107 rms=0.003188 Jy/beam ! Combined flux in latest and established models = 0.135697 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 46 components and 0.135697 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=2.872 mas, bmaj=7.73 mas, bpa=-2.908 degrees ! Estimated noise=2.19588 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 = 8.69377e-05 Jy ! Component: 100 - total flux cleaned = 0.000186767 Jy ! Component: 150 - total flux cleaned = 0.000369395 Jy ! Component: 200 - total flux cleaned = 0.000284241 Jy ! Total flux subtracted in 200 components = 0.000284241 Jy ! Clean residual min=-0.009709 max=0.009392 Jy/beam ! Clean residual mean=0.000127 rms=0.003032 Jy/beam ! Combined flux in latest and established models = 0.135982 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 56 components and 0.135981 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.528 mas, bmaj=7.332 mas, bpa=-3.467 degrees ! Estimated noise=2.15168 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000134099 Jy ! Component: 100 - total flux cleaned = 0.000135508 Jy ! Component: 150 - total flux cleaned = 6.47122e-05 Jy ! Component: 200 - total flux cleaned = 6.86237e-05 Jy ! Total flux subtracted in 200 components = 6.86237e-05 Jy ! Clean residual min=-0.010045 max=0.009123 Jy/beam ! Clean residual mean=0.000109 rms=0.002996 Jy/beam ! Combined flux in latest and established models = 0.13605 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 67 components and 0.13605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072499Jy sigma=0.966778 ! Fit after self-cal, rms=0.072044Jy sigma=0.962994 wmodel J1451-2329_X_2005_07_20_yyk\_map.mod ! Writing 67 model components to file: J1451-2329_X_2005_07_20_yyk_map.mod wobs J1451-2329_X_2005_07_20_yyk\_uvs.fits ! Writing UV FITS file: J1451-2329_X_2005_07_20_yyk_uvs.fits wwins J1451-2329_X_2005_07_20_yyk\_map.win ! wwins: Wrote 1 windows to J1451-2329_X_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 = -0.00156837 Jy ! Component: 100 - total flux cleaned = -0.00213824 Jy ! Component: 150 - total flux cleaned = -0.00151394 Jy ! Component: 200 - total flux cleaned = -0.000857766 Jy ! Component: 250 - total flux cleaned = 0.000354139 Jy ! Component: 300 - total flux cleaned = 0.00119521 Jy ! Component: 350 - total flux cleaned = 0.00154722 Jy ! Component: 400 - total flux cleaned = 0.00163074 Jy ! Component: 450 - total flux cleaned = 0.00178468 Jy ! Component: 500 - total flux cleaned = 0.00222155 Jy ! Component: 550 - total flux cleaned = 0.00242677 Jy ! Component: 600 - total flux cleaned = 0.00256086 Jy ! Component: 650 - total flux cleaned = 0.0029507 Jy ! Component: 700 - total flux cleaned = 0.00332514 Jy ! Component: 750 - total flux cleaned = 0.00386675 Jy ! Component: 800 - total flux cleaned = 0.00410054 Jy ! Component: 850 - total flux cleaned = 0.00444059 Jy ! Component: 900 - total flux cleaned = 0.00477083 Jy ! Component: 950 - total flux cleaned = 0.00487942 Jy ! Component: 1000 - total flux cleaned = 0.00503652 Jy ! Total flux subtracted in 1024 components = 0.00503566 Jy ! Clean residual min=-0.002627 max=0.002962 Jy/beam ! Clean residual mean=0.000035 rms=0.001128 Jy/beam ! Combined flux in latest and established models = 0.141086 Jy keep ! Adding 61 model components to the UV plane model. ! The established model now contains 128 components and 0.141086 Jy ![Exited script file: muppet] wmap "J1451-2329_X_2005_07_20_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.528 x 7.332 at -3.467 degrees (North through East) ! Clean map min=-0.0073008 max=0.10051 Jy/beam ! Writing clean map to FITS file: J1451-2329_X_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 0.100513 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00115529 device "J1451-2329_X_2005_07_20_yyk\_map.eps/VPS" ! Attempting to open device: 'J1451-2329_X_2005_07_20_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.44819 3.44819 6.89638 13.7928 27.5855 55.171 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0034 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.1 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.528 x 7.332 at -3.467 degrees (North through East) ! Clean map min=-0.0073008 max=0.10051 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1451-2329_X_2005_07_20_yyk\_map.gif/gif" ! Attempting to open device: 'J1451-2329_X_2005_07_20_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1451-2329_X_2005_07_20_yyk_uvs.log closed on Fri Jan 20 11:25:31 2006