! Started logfile: J1805-1408_X_2005_06_30_yyk_uvs.log on Sat Oct 8 22:59:58 2005 obs J1805-1408_X_2005_06_30_yyk_uve.fits ! Reading UV FITS file: J1805-1408_X_2005_06_30_yyk_uve.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.231579 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1805-1408 ! ! 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 1460 lines of history. ! ! Reading 792 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 J1805-1408_X_2005_06_30_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 0.800x0.800 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.092684 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=3.044 mas, bmaj=12.17 mas, bpa=15.83 degrees ! Estimated noise=2.83166 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 = 0.0321274 Jy ! Component: 100 - total flux cleaned = 0.0374474 Jy ! Total flux subtracted in 100 components = 0.0374474 Jy ! Clean residual min=-0.007787 max=0.007692 Jy/beam ! Clean residual mean=-0.000029 rms=0.002932 Jy/beam ! Combined flux in latest and established models = 0.0374474 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0374474 Jy ! ! Correcting IF 1. ! A total of 127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 122 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 122 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 158 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.078887Jy sigma=1.236151 ! Fit after self-cal, rms=0.076516Jy sigma=1.179312 ! Inverting map and beam ! Estimated beam: bmin=3.044 mas, bmaj=12.17 mas, bpa=15.83 degrees ! Estimated noise=2.83166 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=3.359 mas, bmaj=12.31 mas, bpa=16.94 degrees ! Estimated noise=1.78319 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 = 0.0115027 Jy ! Component: 100 - total flux cleaned = 0.0120298 Jy ! Component: 150 - total flux cleaned = 0.0103229 Jy ! Component: 200 - total flux cleaned = 0.00844499 Jy ! Total flux subtracted in 200 components = 0.00844499 Jy ! Clean residual min=-0.002425 max=0.002468 Jy/beam ! Clean residual mean=-0.000013 rms=0.000901 Jy/beam ! Combined flux in latest and established models = 0.0458924 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 66 components and 0.0458924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073581Jy sigma=1.118516 ! Fit after self-cal, rms=0.073279Jy sigma=1.114945 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.359 x 12.31 at 16.94 degrees (North through East) ! Clean map min=-0.0064859 max=0.033562 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: 1.00425 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 HN 1.00* KP 0.96 ! LA 1.00 MK 1.00* NL 1.00* OV 1.17 ! PT 0.90 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01496 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 HN 1.00* KP 0.90 ! LA 0.94 MK 1.00* NL 1.00* OV 1.10 ! PT 0.89 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=0.073279Jy sigma=1.114945 ! Fit after self-cal, rms=0.072631Jy sigma=1.109969 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=0.072631Jy sigma=1.109969 ! Fit after self-cal, rms=0.072535Jy sigma=1.108618 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.548 mas, bmaj=12.09 mas, bpa=16.69 degrees ! Estimated noise=1.73912 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 = 0.00106455 Jy ! Component: 100 - total flux cleaned = 0.00180289 Jy ! Component: 150 - total flux cleaned = 0.00208197 Jy ! Component: 200 - total flux cleaned = 0.00195611 Jy ! Total flux subtracted in 200 components = 0.00195611 Jy ! Clean residual min=-0.001534 max=0.001568 Jy/beam ! Clean residual mean=-0.000014 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.0478485 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 100 components and 0.0478485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071971Jy sigma=1.099326 ! Fit after self-cal, rms=0.071797Jy sigma=1.097494 ! 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=0.071797Jy sigma=1.097494 ! Fit after self-cal, rms=0.065448Jy sigma=0.972322 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) ! Added new window around map position (0, 0). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00530365 Jy ! Component: 100 - total flux cleaned = 0.0038672 Jy ! Component: 150 - total flux cleaned = 0.00331408 Jy ! Component: 200 - total flux cleaned = 0.00302882 Jy ! Total flux subtracted in 200 components = 0.00302882 Jy ! Clean residual min=-0.003541 max=0.003441 Jy/beam ! Clean residual mean=-0.000001 rms=0.001069 Jy/beam ! Combined flux in latest and established models = 0.0508773 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 120 components and 0.0508773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064360Jy sigma=0.954010 ! Fit after self-cal, rms=0.063900Jy sigma=0.945950 ! 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: 3.548 x 12.09 at 16.69 degrees (North through East) ! Clean map min=-0.0060051 max=0.042361 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=3.783 mas, bmaj=11.89 mas, bpa=16.37 degrees ! Estimated noise=1.74859 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 = -0.000409472 Jy ! Component: 100 - total flux cleaned = -0.000758079 Jy ! Component: 150 - total flux cleaned = -0.00114136 Jy ! Component: 200 - total flux cleaned = -0.00170626 Jy ! Total flux subtracted in 200 components = -0.00170626 Jy ! Clean residual min=-0.003510 max=0.003640 Jy/beam ! Clean residual mean=-0.000001 rms=0.001099 Jy/beam ! Combined flux in latest and established models = 0.0491711 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 136 components and 0.0491711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063659Jy sigma=0.942136 ! Fit after self-cal, rms=0.063650Jy sigma=0.941214 ! Inverting map uvtaper 0,0 ! 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=3.111 mas, bmaj=12.03 mas, bpa=15.67 degrees ! Estimated noise=2.80153 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0538321 Jy ! Component: 100 - total flux cleaned = 0.0581329 Jy ! Component: 150 - total flux cleaned = 0.0558413 Jy ! Component: 200 - total flux cleaned = 0.053485 Jy ! Total flux subtracted in 200 components = 0.053485 Jy ! Clean residual min=-0.011590 max=0.008550 Jy/beam ! Clean residual mean=0.000006 rms=0.003023 Jy/beam ! Combined flux in latest and established models = 0.053485 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.053485 Jy ! Inverting map and beam ! Estimated beam: bmin=3.548 mas, bmaj=12.09 mas, bpa=16.69 degrees ! Estimated noise=1.73912 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 = 0.00206422 Jy ! Component: 100 - total flux cleaned = 0.00281112 Jy ! Component: 150 - total flux cleaned = 0.00411667 Jy ! Component: 200 - total flux cleaned = 0.00513875 Jy ! Total flux subtracted in 200 components = 0.00513875 Jy ! Clean residual min=-0.006684 max=0.005090 Jy/beam ! Clean residual mean=-0.000000 rms=0.001653 Jy/beam ! Combined flux in latest and established models = 0.0586237 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 39 components and 0.0586237 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=3.783 mas, bmaj=11.89 mas, bpa=16.37 degrees ! Estimated noise=1.74859 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 = 0.00147696 Jy ! Component: 100 - total flux cleaned = 0.00261581 Jy ! Component: 150 - total flux cleaned = 0.00357742 Jy ! Component: 200 - total flux cleaned = 0.00451821 Jy ! Total flux subtracted in 200 components = 0.00451821 Jy ! Clean residual min=-0.006301 max=0.004696 Jy/beam ! Clean residual mean=-0.000001 rms=0.001548 Jy/beam ! Combined flux in latest and established models = 0.0631419 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 52 components and 0.0631419 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.548 mas, bmaj=12.09 mas, bpa=16.69 degrees ! Estimated noise=1.73912 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000419269 Jy ! Component: 100 - total flux cleaned = 0.00110746 Jy ! Component: 150 - total flux cleaned = 0.00170753 Jy ! Component: 200 - total flux cleaned = 0.00236153 Jy ! Total flux subtracted in 200 components = 0.00236153 Jy ! Clean residual min=-0.006267 max=0.004923 Jy/beam ! Clean residual mean=0.000000 rms=0.001456 Jy/beam ! Combined flux in latest and established models = 0.0655035 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 68 components and 0.0655035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064633Jy sigma=0.960388 ! Fit after self-cal, rms=0.063584Jy sigma=0.947977 wmodel J1805-1408_X_2005_06_30_yyk\_map.mod ! Writing 68 model components to file: J1805-1408_X_2005_06_30_yyk_map.mod wobs J1805-1408_X_2005_06_30_yyk\_uvs.fits ! Writing UV FITS file: J1805-1408_X_2005_06_30_yyk_uvs.fits wwins J1805-1408_X_2005_06_30_yyk\_map.win ! wwins: Wrote 1 windows to J1805-1408_X_2005_06_30_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 = -0.00222132 Jy ! Component: 100 - total flux cleaned = -0.0040525 Jy ! Component: 150 - total flux cleaned = -0.00518548 Jy ! Component: 200 - total flux cleaned = -0.00579338 Jy ! Component: 250 - total flux cleaned = -0.00569068 Jy ! Component: 300 - total flux cleaned = -0.00539684 Jy ! Component: 350 - total flux cleaned = -0.00516394 Jy ! Component: 400 - total flux cleaned = -0.00484959 Jy ! Component: 450 - total flux cleaned = -0.00450491 Jy ! Component: 500 - total flux cleaned = -0.00417369 Jy ! Component: 550 - total flux cleaned = -0.00393189 Jy ! Component: 600 - total flux cleaned = -0.00357945 Jy ! Component: 650 - total flux cleaned = -0.00338936 Jy ! Component: 700 - total flux cleaned = -0.00309146 Jy ! Component: 750 - total flux cleaned = -0.00287345 Jy ! Component: 800 - total flux cleaned = -0.00266016 Jy ! Component: 850 - total flux cleaned = -0.0025216 Jy ! Component: 900 - total flux cleaned = -0.00252204 Jy ! Component: 950 - total flux cleaned = -0.00248873 Jy ! Component: 1000 - total flux cleaned = -0.00242295 Jy ! Total flux subtracted in 1024 components = -0.00239037 Jy ! Clean residual min=-0.001980 max=0.001797 Jy/beam ! Clean residual mean=0.000003 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.0631131 Jy keep ! Adding 50 model components to the UV plane model. ! The established model now contains 118 components and 0.0631131 Jy ![Exited script file: muppet] wmap "J1805-1408_X_2005_06_30_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.548 x 12.09 at 16.69 degrees (North through East) ! Clean map min=-0.0054117 max=0.059164 Jy/beam ! Writing clean map to FITS file: J1805-1408_X_2005_06_30_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0591644 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000642586 device "J1805-1408_X_2005_06_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J1805-1408_X_2005_06_30_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.2583 3.2583 6.51661 13.0332 26.0664 52.1329 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.059 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.548 x 12.09 at 16.69 degrees (North through East) ! Clean map min=-0.0054117 max=0.059164 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1805-1408_X_2005_06_30_yyk\_map.gif/gif" ! Attempting to open device: 'J1805-1408_X_2005_06_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1805-1408_X_2005_06_30_yyk_uvs.log closed on Sat Oct 8 22:59:59 2005