! Started logfile: J1704-1316_X_2004_05_27_yyk_uvs.log on Wed Dec 7 01:09:47 2005 obs J1704-1316_X_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1704-1316_X_2004_05_27_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.6 visibilities/baseline/integration-bin. ! Found source: J1704-1316 ! ! 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 1383 lines of history. ! ! Reading 972 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 J1704-1316_X_2004_05_27_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)= 0.108282 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.909736Jy sigma=19.111288 ! Fit after self-cal, rms=0.909414Jy sigma=19.154730 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=2.111 mas, bmaj=4.912 mas, bpa=-13.72 degrees ! Estimated noise=1.90913 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 = 0.0782769 Jy ! Component: 100 - total flux cleaned = 0.0928545 Jy ! Total flux subtracted in 100 components = 0.0928545 Jy ! Clean residual min=-0.005004 max=0.004894 Jy/beam ! Clean residual mean=0.000078 rms=0.001654 Jy/beam ! Combined flux in latest and established models = 0.0928546 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0928546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056095Jy sigma=1.032291 ! Fit after self-cal, rms=0.056096Jy sigma=1.031766 ! Inverting map 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=2.403 mas, bmaj=5.204 mas, bpa=-14.7 degrees ! Estimated noise=1.27588 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 = 0.00526442 Jy ! Component: 100 - total flux cleaned = 0.00580895 Jy ! Component: 150 - total flux cleaned = 0.00572163 Jy ! Component: 200 - total flux cleaned = 0.00585945 Jy ! Total flux subtracted in 200 components = 0.00585945 Jy ! Clean residual min=-0.004134 max=0.004880 Jy/beam ! Clean residual mean=0.000079 rms=0.001287 Jy/beam ! Combined flux in latest and established models = 0.098714 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 33 components and 0.098714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055586Jy sigma=1.019607 ! Fit after self-cal, rms=0.055577Jy sigma=1.019459 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 0.999002 ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.93 HN 1.00* KP 1.11 ! LA 1.01 MK 1.00* NL 1.08 OV 0.95 ! PT 1.00 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.02481 ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.91 HN 1.00* KP 0.93 ! LA 0.93 MK 1.00* NL 0.97 OV 0.98 ! PT 1.01 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.989624 ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 1.00* KP 0.97 ! LA 0.99 MK 1.00* NL 0.91 OV 1.08 ! PT 1.10 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.989132 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 1.00* KP 0.90 ! LA 1.00 MK 1.00* NL 0.99 OV 1.08 ! PT 1.11 SC 1.00* ! ! ! Fit before self-cal, rms=0.055577Jy sigma=1.019459 ! Fit after self-cal, rms=0.055090Jy sigma=1.006291 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=0.055090Jy sigma=1.006291 ! Fit after self-cal, rms=0.055100Jy sigma=1.006269 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.395 mas, bmaj=5.181 mas, bpa=-15.02 degrees ! Estimated noise=1.26695 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 = 0.00030561 Jy ! Component: 100 - total flux cleaned = 0.000381807 Jy ! Component: 150 - total flux cleaned = 0.000448432 Jy ! Component: 200 - total flux cleaned = 0.000476761 Jy ! Total flux subtracted in 200 components = 0.000476761 Jy ! Clean residual min=-0.004000 max=0.003533 Jy/beam ! Clean residual mean=0.000031 rms=0.001076 Jy/beam ! Combined flux in latest and established models = 0.0991908 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 44 components and 0.0991908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055035Jy sigma=1.005268 ! Fit after self-cal, rms=0.055035Jy sigma=1.005169 ! 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=0.055035Jy sigma=1.005169 ! Fit after self-cal, rms=0.051057Jy sigma=0.942025 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 = 0.000712429 Jy ! Component: 100 - total flux cleaned = 0.00101674 Jy ! Component: 150 - total flux cleaned = 0.00113277 Jy ! Component: 200 - total flux cleaned = 0.00120711 Jy ! Total flux subtracted in 200 components = 0.00120711 Jy ! Clean residual min=-0.003928 max=0.003269 Jy/beam ! Clean residual mean=0.000032 rms=0.001022 Jy/beam ! Combined flux in latest and established models = 0.100398 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 0.100398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050972Jy sigma=0.940922 ! Fit after self-cal, rms=0.050366Jy sigma=0.935058 ! 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: 2.395 x 5.181 at -15.02 degrees (North through East) ! Clean map min=-0.0037814 max=0.091713 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=2.875 mas, bmaj=5.218 mas, bpa=-13.5 degrees ! Estimated noise=1.30304 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 = 0.000404137 Jy ! Component: 100 - total flux cleaned = 0.000488881 Jy ! Component: 150 - total flux cleaned = 0.000523438 Jy ! Component: 200 - total flux cleaned = 0.000537963 Jy ! Total flux subtracted in 200 components = 0.000537963 Jy ! Clean residual min=-0.003845 max=0.003482 Jy/beam ! Clean residual mean=0.000038 rms=0.001089 Jy/beam ! Combined flux in latest and established models = 0.100936 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 0.100936 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050353Jy sigma=0.934827 ! Fit after self-cal, rms=0.050197Jy sigma=0.933541 ! 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=2.119 mas, bmaj=4.889 mas, bpa=-13.84 degrees ! Estimated noise=1.88879 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0792115 Jy ! Component: 100 - total flux cleaned = 0.0935652 Jy ! Component: 150 - total flux cleaned = 0.0984928 Jy ! Component: 200 - total flux cleaned = 0.0992773 Jy ! Total flux subtracted in 200 components = 0.0992773 Jy ! Clean residual min=-0.003577 max=0.003555 Jy/beam ! Clean residual mean=0.000037 rms=0.001115 Jy/beam ! Combined flux in latest and established models = 0.0992773 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0992773 Jy ! Inverting map and beam ! Estimated beam: bmin=2.395 mas, bmaj=5.181 mas, bpa=-15.02 degrees ! Estimated noise=1.26695 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 = 0.00205057 Jy ! Component: 100 - total flux cleaned = 0.00177438 Jy ! Component: 150 - total flux cleaned = 0.00171932 Jy ! Component: 200 - total flux cleaned = 0.00176501 Jy ! Total flux subtracted in 200 components = 0.00176501 Jy ! Clean residual min=-0.004014 max=0.003466 Jy/beam ! Clean residual mean=0.000032 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 0.101042 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 40 components and 0.101042 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=2.875 mas, bmaj=5.218 mas, bpa=-13.5 degrees ! Estimated noise=1.30304 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 = 5.77001e-05 Jy ! Component: 100 - total flux cleaned = 8.6879e-05 Jy ! Component: 150 - total flux cleaned = 0.000111279 Jy ! Component: 200 - total flux cleaned = 0.000133935 Jy ! Total flux subtracted in 200 components = 0.000133935 Jy ! Clean residual min=-0.003885 max=0.003566 Jy/beam ! Clean residual mean=0.000037 rms=0.001098 Jy/beam ! Combined flux in latest and established models = 0.101176 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 49 components and 0.101176 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.395 mas, bmaj=5.181 mas, bpa=-15.02 degrees ! Estimated noise=1.26695 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 5.98227e-06 Jy ! Component: 100 - total flux cleaned = -5.42569e-05 Jy ! Component: 150 - total flux cleaned = -0.00010925 Jy ! Component: 200 - total flux cleaned = -0.000135071 Jy ! Total flux subtracted in 200 components = -0.000135071 Jy ! Clean residual min=-0.003983 max=0.003266 Jy/beam ! Clean residual mean=0.000032 rms=0.001009 Jy/beam ! Combined flux in latest and established models = 0.101041 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 55 components and 0.101041 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050223Jy sigma=0.933941 ! Fit after self-cal, rms=0.050177Jy sigma=0.933425 wmodel J1704-1316_X_2004_05_27_yyk\_map.mod ! Writing 55 model components to file: J1704-1316_X_2004_05_27_yyk_map.mod wobs J1704-1316_X_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1704-1316_X_2004_05_27_yyk_uvs.fits wwins J1704-1316_X_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J1704-1316_X_2004_05_27_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 = -0.000855729 Jy ! Component: 100 - total flux cleaned = -0.000546546 Jy ! Component: 150 - total flux cleaned = -0.000321445 Jy ! Component: 200 - total flux cleaned = -0.000242013 Jy ! Component: 250 - total flux cleaned = -0.000203426 Jy ! Component: 300 - total flux cleaned = -0.000168795 Jy ! Component: 350 - total flux cleaned = -0.000169993 Jy ! Component: 400 - total flux cleaned = -0.000110909 Jy ! Component: 450 - total flux cleaned = -8.23406e-05 Jy ! Component: 500 - total flux cleaned = -0.000135151 Jy ! Component: 550 - total flux cleaned = -0.000185432 Jy ! Component: 600 - total flux cleaned = -0.000256535 Jy ! Component: 650 - total flux cleaned = -0.000279288 Jy ! Component: 700 - total flux cleaned = -0.000235453 Jy ! Component: 750 - total flux cleaned = -0.000214891 Jy ! Component: 800 - total flux cleaned = -0.000154045 Jy ! Component: 850 - total flux cleaned = -0.000154082 Jy ! Component: 900 - total flux cleaned = -6.07375e-05 Jy ! Component: 950 - total flux cleaned = -0.000169339 Jy ! Component: 1000 - total flux cleaned = -0.000257457 Jy ! Total flux subtracted in 1024 components = -0.00030944 Jy ! Clean residual min=-0.000958 max=0.001015 Jy/beam ! Clean residual mean=-0.000000 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.100732 Jy keep ! Adding 63 model components to the UV plane model. ! The established model now contains 118 components and 0.100732 Jy ![Exited script file: muppet] wmap "J1704-1316_X_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.395 x 5.181 at -15.02 degrees (North through East) ! Clean map min=-0.0027337 max=0.091418 Jy/beam ! Writing clean map to FITS file: J1704-1316_X_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0914179 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000358062 device "J1704-1316_X_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1704-1316_X_2004_05_27_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.17503 1.17503 2.35006 4.70011 9.40022 18.8004 37.6009 75.2018 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.091 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.395 x 5.181 at -15.02 degrees (North through East) ! Clean map min=-0.0027337 max=0.091418 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1704-1316_X_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1704-1316_X_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1704-1316_X_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:09:47 2005