! Started logfile: J1609-2205_X_2005_07_09_yyk_uvs.log on Fri Jan 20 11:25:36 2006 obs J1609-2205_X_2005_07_09_yyk_uve.fits ! Reading UV FITS file: J1609-2205_X_2005_07_09_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.555556 visibilities/baseline/integration-bin. ! Found source: J1609-2205 ! ! 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 1480 lines of history. ! ! Reading 1100 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 J1609-2205_X_2005_07_09_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)= 0.118521 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=2.129 mas, bmaj=5.734 mas, bpa=7.515 degrees ! Estimated noise=2.14448 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 = 0.0676478 Jy ! Component: 100 - total flux cleaned = 0.0898498 Jy ! Total flux subtracted in 100 components = 0.0898498 Jy ! Clean residual min=-0.009828 max=0.011107 Jy/beam ! Clean residual mean=0.000072 rms=0.003241 Jy/beam ! Combined flux in latest and established models = 0.0898498 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0898498 Jy ! ! Correcting IF 1. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.086999Jy sigma=1.473690 ! Fit after self-cal, rms=0.078764Jy sigma=1.275483 ! Inverting map and beam ! Estimated beam: bmin=2.129 mas, bmaj=5.734 mas, bpa=7.515 degrees ! Estimated noise=2.14448 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=2.59 mas, bmaj=6.718 mas, bpa=4.897 degrees ! Estimated noise=1.51522 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 = 0.0184033 Jy ! Component: 100 - total flux cleaned = 0.0253516 Jy ! Component: 150 - total flux cleaned = 0.0291356 Jy ! Component: 200 - total flux cleaned = 0.0304239 Jy ! Total flux subtracted in 200 components = 0.0304239 Jy ! Clean residual min=-0.006417 max=0.005803 Jy/beam ! Clean residual mean=0.000032 rms=0.002058 Jy/beam ! Combined flux in latest and established models = 0.120274 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 45 components and 0.120274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076651Jy sigma=1.212368 ! Fit after self-cal, rms=0.076583Jy sigma=1.211988 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.59 x 6.718 at 4.897 degrees (North through East) ! Clean map min=-0.006041 max=0.089895 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: 1.00963 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.86 HN 1.00* KP 1.05 ! LA 1.02 MK 1.00* NL 0.87 OV 1.06 ! PT 0.97 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: 0.993617 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 HN 1.00* KP 1.05 ! LA 0.94 MK 1.00* NL 1.02 OV 1.00* ! PT 1.15 SC 1.00* ! ! ! Fit before self-cal, rms=0.076583Jy sigma=1.211988 ! Fit after self-cal, rms=0.076070Jy sigma=1.202419 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=0.076070Jy sigma=1.202419 ! Fit after self-cal, rms=0.076052Jy sigma=1.202149 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.582 mas, bmaj=6.675 mas, bpa=4.262 degrees ! Estimated noise=1.49838 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 = 0.00123994 Jy ! Component: 100 - total flux cleaned = 0.00153217 Jy ! Component: 150 - total flux cleaned = 0.00173291 Jy ! Component: 200 - total flux cleaned = 0.00192144 Jy ! Total flux subtracted in 200 components = 0.00192144 Jy ! Clean residual min=-0.005908 max=0.005729 Jy/beam ! Clean residual mean=0.000034 rms=0.001867 Jy/beam ! Combined flux in latest and established models = 0.122195 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 0.122195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076028Jy sigma=1.200177 ! Fit after self-cal, rms=0.075989Jy sigma=1.199961 ! 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=0.075989Jy sigma=1.199961 ! Fit after self-cal, rms=0.066629Jy sigma=1.048026 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 = 0.00297161 Jy ! Component: 100 - total flux cleaned = 0.00319429 Jy ! Component: 150 - total flux cleaned = 0.00302976 Jy ! Component: 200 - total flux cleaned = 0.00302348 Jy ! Total flux subtracted in 200 components = 0.00302348 Jy ! Clean residual min=-0.005972 max=0.005589 Jy/beam ! Clean residual mean=0.000028 rms=0.001788 Jy/beam ! Combined flux in latest and established models = 0.125219 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 60 components and 0.125219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066402Jy sigma=1.040952 ! Fit after self-cal, rms=0.066044Jy sigma=1.034045 ! 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: 2.582 x 6.675 at 4.262 degrees (North through East) ! Clean map min=-0.0054381 max=0.094505 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=2.927 mas, bmaj=7.051 mas, bpa=4.708 degrees ! Estimated noise=1.52689 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 = 0.000519993 Jy ! Component: 100 - total flux cleaned = 0.000759289 Jy ! Component: 150 - total flux cleaned = 0.000756671 Jy ! Component: 200 - total flux cleaned = 0.000756932 Jy ! Total flux subtracted in 200 components = 0.000756932 Jy ! Clean residual min=-0.005558 max=0.005242 Jy/beam ! Clean residual mean=0.000032 rms=0.001726 Jy/beam ! Combined flux in latest and established models = 0.125976 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 65 components and 0.125975 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065943Jy sigma=1.032419 ! Fit after self-cal, rms=0.065915Jy sigma=1.031648 ! 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=2.124 mas, bmaj=5.723 mas, bpa=7.314 degrees ! Estimated noise=2.1399 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0774664 Jy ! Component: 100 - total flux cleaned = 0.101983 Jy ! Component: 150 - total flux cleaned = 0.114111 Jy ! Component: 200 - total flux cleaned = 0.121687 Jy ! Total flux subtracted in 200 components = 0.121687 Jy ! Clean residual min=-0.007554 max=0.007059 Jy/beam ! Clean residual mean=0.000033 rms=0.002161 Jy/beam ! Combined flux in latest and established models = 0.121687 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.121687 Jy ! Inverting map and beam ! Estimated beam: bmin=2.582 mas, bmaj=6.675 mas, bpa=4.262 degrees ! Estimated noise=1.49838 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 = 0.00276203 Jy ! Component: 100 - total flux cleaned = 0.00294987 Jy ! Component: 150 - total flux cleaned = 0.00311231 Jy ! Component: 200 - total flux cleaned = 0.00325783 Jy ! Total flux subtracted in 200 components = 0.00325783 Jy ! Clean residual min=-0.005665 max=0.005650 Jy/beam ! Clean residual mean=0.000026 rms=0.001815 Jy/beam ! Combined flux in latest and established models = 0.124945 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 38 components and 0.124945 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=2.927 mas, bmaj=7.051 mas, bpa=4.708 degrees ! Estimated noise=1.52689 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 = 0.000421165 Jy ! Component: 100 - total flux cleaned = 0.000480987 Jy ! Component: 150 - total flux cleaned = 0.000584598 Jy ! Component: 200 - total flux cleaned = 0.000633564 Jy ! Total flux subtracted in 200 components = 0.000633564 Jy ! Clean residual min=-0.005517 max=0.005288 Jy/beam ! Clean residual mean=0.000030 rms=0.001737 Jy/beam ! Combined flux in latest and established models = 0.125579 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 40 components and 0.125579 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.582 mas, bmaj=6.675 mas, bpa=4.262 degrees ! Estimated noise=1.49838 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 6.40229e-05 Jy ! Component: 100 - total flux cleaned = 6.35254e-05 Jy ! Component: 150 - total flux cleaned = 1.44051e-05 Jy ! Component: 200 - total flux cleaned = 6.39728e-05 Jy ! Total flux subtracted in 200 components = 6.39729e-05 Jy ! Clean residual min=-0.005684 max=0.005437 Jy/beam ! Clean residual mean=0.000029 rms=0.001773 Jy/beam ! Combined flux in latest and established models = 0.125643 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 0.125643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065845Jy sigma=1.031160 ! Fit after self-cal, rms=0.065811Jy sigma=1.030842 wmodel J1609-2205_X_2005_07_09_yyk\_map.mod ! Writing 45 model components to file: J1609-2205_X_2005_07_09_yyk_map.mod wobs J1609-2205_X_2005_07_09_yyk\_uvs.fits ! Writing UV FITS file: J1609-2205_X_2005_07_09_yyk_uvs.fits wwins J1609-2205_X_2005_07_09_yyk\_map.win ! wwins: Wrote 1 windows to J1609-2205_X_2005_07_09_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 = -0.000509787 Jy ! Component: 100 - total flux cleaned = -0.000779109 Jy ! Component: 150 - total flux cleaned = -0.000775875 Jy ! Component: 200 - total flux cleaned = -0.000694093 Jy ! Component: 250 - total flux cleaned = -0.000617789 Jy ! Component: 300 - total flux cleaned = -0.000687697 Jy ! Component: 350 - total flux cleaned = -0.000489096 Jy ! Component: 400 - total flux cleaned = -0.000299972 Jy ! Component: 450 - total flux cleaned = -5.71887e-05 Jy ! Component: 500 - total flux cleaned = 0.000297834 Jy ! Component: 550 - total flux cleaned = 0.000699177 Jy ! Component: 600 - total flux cleaned = 0.000756596 Jy ! Component: 650 - total flux cleaned = 0.000594608 Jy ! Component: 700 - total flux cleaned = 0.000595371 Jy ! Component: 750 - total flux cleaned = 0.000336594 Jy ! Component: 800 - total flux cleaned = 0.000235505 Jy ! Component: 850 - total flux cleaned = -6.23742e-05 Jy ! Component: 900 - total flux cleaned = -0.000257134 Jy ! Component: 950 - total flux cleaned = -0.000541636 Jy ! Component: 1000 - total flux cleaned = -0.000634466 Jy ! Total flux subtracted in 1024 components = -0.000588823 Jy ! Clean residual min=-0.002528 max=0.002531 Jy/beam ! Clean residual mean=0.000015 rms=0.001074 Jy/beam ! Combined flux in latest and established models = 0.125054 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 105 components and 0.125054 Jy ![Exited script file: muppet] wmap "J1609-2205_X_2005_07_09_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.582 x 6.675 at 4.262 degrees (North through East) ! Clean map min=-0.0056941 max=0.094551 Jy/beam ! Writing clean map to FITS file: J1609-2205_X_2005_07_09_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0945512 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00106677 device "J1609-2205_X_2005_07_09_yyk\_map.eps/VPS" ! Attempting to open device: 'J1609-2205_X_2005_07_09_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.38475 3.38475 6.7695 13.539 27.078 54.156 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.094 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.582 x 6.675 at 4.262 degrees (North through East) ! Clean map min=-0.0056941 max=0.094551 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1609-2205_X_2005_07_09_yyk\_map.gif/gif" ! Attempting to open device: 'J1609-2205_X_2005_07_09_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1609-2205_X_2005_07_09_yyk_uvs.log closed on Fri Jan 20 11:25:37 2006