! Started logfile: J2303-1002_X_2005_07_09_yyk_uvs.log on Fri Jan 20 11:27:54 2006 obs J2303-1002_X_2005_07_09_yyk_uve.fits ! Reading UV FITS file: J2303-1002_X_2005_07_09_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.488889 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2303-1002 ! ! 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 880 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 J2303-1002_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)= 0.104248 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=2.007 mas, bmaj=3.857 mas, bpa=7.237 degrees ! Estimated noise=3.18992 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, -0.4). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0484233 Jy ! Component: 100 - total flux cleaned = 0.0586402 Jy ! Total flux subtracted in 100 components = 0.0586402 Jy ! Clean residual min=-0.014070 max=0.015421 Jy/beam ! Clean residual mean=0.000018 rms=0.004192 Jy/beam ! Combined flux in latest and established models = 0.0586402 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0586402 Jy ! ! Correcting IF 1. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 46 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 56 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.087723Jy sigma=1.332637 ! Fit after self-cal, rms=0.079356Jy sigma=1.185472 ! Inverting map and beam ! Estimated beam: bmin=2.008 mas, bmaj=3.861 mas, bpa=7.24 degrees ! Estimated noise=3.18522 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=2.506 mas, bmaj=4.694 mas, bpa=5.437 degrees ! Estimated noise=2.14137 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 = 0.0206634 Jy ! Component: 100 - total flux cleaned = 0.0277058 Jy ! Component: 150 - total flux cleaned = 0.0310933 Jy ! Component: 200 - total flux cleaned = 0.0321623 Jy ! Total flux subtracted in 200 components = 0.0321623 Jy ! Clean residual min=-0.005927 max=0.006993 Jy/beam ! Clean residual mean=0.000010 rms=0.001963 Jy/beam ! Combined flux in latest and established models = 0.0908025 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 0.0908026 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077869Jy sigma=1.115124 ! Fit after self-cal, rms=0.077759Jy sigma=1.113522 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.506 x 4.694 at 5.437 degrees (North through East) ! Clean map min=-0.0052252 max=0.072646 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: 1.0331 ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.92 HN 1.00* KP 0.87 ! LA 0.91 MK 1.00* NL 0.96 OV 1.14 ! 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. ! A total of 6 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 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=0.077759Jy sigma=1.113522 ! Fit after self-cal, rms=0.076775Jy sigma=1.101240 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=0.076775Jy sigma=1.101240 ! Fit after self-cal, rms=0.076758Jy sigma=1.100110 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.519 mas, bmaj=4.621 mas, bpa=5.761 degrees ! Estimated noise=2.1148 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 = -0.0011704 Jy ! Component: 100 - total flux cleaned = -0.00125749 Jy ! Component: 150 - total flux cleaned = -0.00114001 Jy ! Component: 200 - total flux cleaned = -0.00104429 Jy ! Total flux subtracted in 200 components = -0.00104429 Jy ! Clean residual min=-0.005701 max=0.007001 Jy/beam ! Clean residual mean=0.000005 rms=0.001851 Jy/beam ! Combined flux in latest and established models = 0.0897583 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 0.0897583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076754Jy sigma=1.097730 ! Fit after self-cal, rms=0.076738Jy sigma=1.097254 ! 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=0.076738Jy sigma=1.097254 ! Fit after self-cal, rms=0.066320Jy sigma=0.947783 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 = 0.00598125 Jy ! Component: 100 - total flux cleaned = 0.00575204 Jy ! Component: 150 - total flux cleaned = 0.00541072 Jy ! Component: 200 - total flux cleaned = 0.00520998 Jy ! Total flux subtracted in 200 components = 0.00520998 Jy ! Clean residual min=-0.005420 max=0.006109 Jy/beam ! Clean residual mean=0.000012 rms=0.001603 Jy/beam ! Combined flux in latest and established models = 0.0949682 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 36 components and 0.0949682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066413Jy sigma=0.940038 ! Fit after self-cal, rms=0.065338Jy sigma=0.925355 ! 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: 2.519 x 4.621 at 5.761 degrees (North through East) ! Clean map min=-0.0054182 max=0.079699 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=2.866 mas, bmaj=4.959 mas, bpa=5.659 degrees ! Estimated noise=2.16341 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 = 1.58561e-05 Jy ! Component: 100 - total flux cleaned = -0.000121822 Jy ! Component: 150 - total flux cleaned = -0.000246097 Jy ! Component: 200 - total flux cleaned = -0.000320169 Jy ! Total flux subtracted in 200 components = -0.000320169 Jy ! Clean residual min=-0.004997 max=0.005798 Jy/beam ! Clean residual mean=0.000016 rms=0.001548 Jy/beam ! Combined flux in latest and established models = 0.0946481 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 44 components and 0.0946481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065360Jy sigma=0.924982 ! Fit after self-cal, rms=0.065296Jy sigma=0.923108 ! 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=2.02 mas, bmaj=3.837 mas, bpa=7.728 degrees ! Estimated noise=3.14812 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0680224 Jy ! Component: 100 - total flux cleaned = 0.0830378 Jy ! Component: 150 - total flux cleaned = 0.0908553 Jy ! Component: 200 - total flux cleaned = 0.093944 Jy ! Total flux subtracted in 200 components = 0.093944 Jy ! Clean residual min=-0.009823 max=0.008661 Jy/beam ! Clean residual mean=-0.000003 rms=0.002736 Jy/beam ! Combined flux in latest and established models = 0.093944 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.093944 Jy ! Inverting map and beam ! Estimated beam: bmin=2.519 mas, bmaj=4.621 mas, bpa=5.761 degrees ! Estimated noise=2.1148 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 = 0.0014988 Jy ! Component: 100 - total flux cleaned = 0.00123817 Jy ! Component: 150 - total flux cleaned = 0.000978424 Jy ! Component: 200 - total flux cleaned = 0.000780233 Jy ! Total flux subtracted in 200 components = 0.000780233 Jy ! Clean residual min=-0.005387 max=0.006057 Jy/beam ! Clean residual mean=0.000014 rms=0.001612 Jy/beam ! Combined flux in latest and established models = 0.0947242 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 32 components and 0.0947242 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=2.866 mas, bmaj=4.959 mas, bpa=5.659 degrees ! Estimated noise=2.16341 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 = -0.000378665 Jy ! Component: 100 - total flux cleaned = -0.00040847 Jy ! Component: 150 - total flux cleaned = -0.000464106 Jy ! Component: 200 - total flux cleaned = -0.000515474 Jy ! Total flux subtracted in 200 components = -0.000515474 Jy ! Clean residual min=-0.005063 max=0.005878 Jy/beam ! Clean residual mean=0.000016 rms=0.001574 Jy/beam ! Combined flux in latest and established models = 0.0942087 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0942087 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.519 mas, bmaj=4.621 mas, bpa=5.761 degrees ! Estimated noise=2.1148 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 7.05167e-06 Jy ! Component: 100 - total flux cleaned = -2.21365e-05 Jy ! Component: 150 - total flux cleaned = -2.23824e-05 Jy ! Component: 200 - total flux cleaned = -4.3152e-05 Jy ! Total flux subtracted in 200 components = -4.3152e-05 Jy ! Clean residual min=-0.005231 max=0.006012 Jy/beam ! Clean residual mean=0.000013 rms=0.001583 Jy/beam ! Combined flux in latest and established models = 0.0941656 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 47 components and 0.0941656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065281Jy sigma=0.922923 ! Fit after self-cal, rms=0.065271Jy sigma=0.922377 wmodel J2303-1002_X_2005_07_09_yyk\_map.mod ! Writing 47 model components to file: J2303-1002_X_2005_07_09_yyk_map.mod wobs J2303-1002_X_2005_07_09_yyk\_uvs.fits ! Writing UV FITS file: J2303-1002_X_2005_07_09_yyk_uvs.fits wwins J2303-1002_X_2005_07_09_yyk\_map.win ! wwins: Wrote 1 windows to J2303-1002_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 = 0.00105856 Jy ! Component: 100 - total flux cleaned = 0.00105854 Jy ! Component: 150 - total flux cleaned = 0.000745673 Jy ! Component: 200 - total flux cleaned = 0.00066923 Jy ! Component: 250 - total flux cleaned = 0.000943653 Jy ! Component: 300 - total flux cleaned = 0.00139934 Jy ! Component: 350 - total flux cleaned = 0.0013997 Jy ! Component: 400 - total flux cleaned = 0.00157659 Jy ! Component: 450 - total flux cleaned = 0.00151938 Jy ! Component: 500 - total flux cleaned = 0.00174093 Jy ! Component: 550 - total flux cleaned = 0.00179476 Jy ! Component: 600 - total flux cleaned = 0.00179413 Jy ! Component: 650 - total flux cleaned = 0.00174465 Jy ! Component: 700 - total flux cleaned = 0.00169595 Jy ! Component: 750 - total flux cleaned = 0.001791 Jy ! Component: 800 - total flux cleaned = 0.00174362 Jy ! Component: 850 - total flux cleaned = 0.00179056 Jy ! Component: 900 - total flux cleaned = 0.0018804 Jy ! Component: 950 - total flux cleaned = 0.00188035 Jy ! Component: 1000 - total flux cleaned = 0.00196665 Jy ! Total flux subtracted in 1024 components = 0.00196638 Jy ! Clean residual min=-0.002384 max=0.003369 Jy/beam ! Clean residual mean=0.000011 rms=0.000909 Jy/beam ! Combined flux in latest and established models = 0.096132 Jy keep ! Adding 61 model components to the UV plane model. ! The established model now contains 108 components and 0.096132 Jy ![Exited script file: muppet] wmap "J2303-1002_X_2005_07_09_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.519 x 4.621 at 5.761 degrees (North through East) ! Clean map min=-0.0043137 max=0.080113 Jy/beam ! Writing clean map to FITS file: J2303-1002_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 0.0801128 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00090184 device "J2303-1002_X_2005_07_09_yyk\_map.eps/VPS" ! Attempting to open device: 'J2303-1002_X_2005_07_09_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.37714 3.37714 6.75427 13.5085 27.0171 54.0342 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.08 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.519 x 4.621 at 5.761 degrees (North through East) ! Clean map min=-0.0043137 max=0.080113 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2303-1002_X_2005_07_09_yyk\_map.gif/gif" ! Attempting to open device: 'J2303-1002_X_2005_07_09_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2303-1002_X_2005_07_09_yyk_uvs.log closed on Fri Jan 20 11:27:55 2006