! Started logfile: J1532-1941_S_2005_06_30_yyk_uvs.log on Sat Oct 8 22:58:59 2005 obs J1532-1941_S_2005_06_30_yyk_uve.fits ! Reading UV FITS file: J1532-1941_S_2005_06_30_yyk_uve.fits ! AN table 1: 20 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.256667 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1532-1941 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1469 lines of history. ! ! Reading 924 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 J1532-1941_S_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 1.50x1.50 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.122565 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=8.431 mas, bmaj=17.77 mas, bpa=0.2439 degrees ! Estimated noise=2.92364 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 = 0.0419905 Jy ! Component: 100 - total flux cleaned = 0.0576805 Jy ! Total flux subtracted in 100 components = 0.0576805 Jy ! Clean residual min=-0.014281 max=0.011715 Jy/beam ! Clean residual mean=-0.000116 rms=0.003626 Jy/beam ! Combined flux in latest and established models = 0.0576804 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 0.0576804 Jy ! ! Correcting IF 1. ! A total of 127 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 126 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 117 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.105870Jy sigma=1.301704 ! Fit after self-cal, rms=0.103638Jy sigma=1.254747 ! Inverting map and beam ! Estimated beam: bmin=8.431 mas, bmaj=17.77 mas, bpa=0.2439 degrees ! Estimated noise=2.92364 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=11.38 mas, bmaj=22.76 mas, bpa=8.914 degrees ! Estimated noise=1.85915 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 = 0.0258504 Jy ! Component: 100 - total flux cleaned = 0.0375175 Jy ! Component: 150 - total flux cleaned = 0.0445398 Jy ! Component: 200 - total flux cleaned = 0.048941 Jy ! Total flux subtracted in 200 components = 0.048941 Jy ! Clean residual min=-0.008764 max=0.009728 Jy/beam ! Clean residual mean=-0.000122 rms=0.003061 Jy/beam ! Combined flux in latest and established models = 0.106621 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 66 components and 0.106621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099872Jy sigma=1.171161 ! Fit after self-cal, rms=0.099625Jy sigma=1.168582 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.38 x 22.76 at 8.914 degrees (North through East) ! Clean map min=-0.0085821 max=0.065327 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. ! Amplitude normalization factor in sub-array 1: 0.996837 ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 1.00* KP 0.98 ! LA 0.93 MK 1.00* NL 1.07 OV 1.00 ! PT 0.95 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=0.099625Jy sigma=1.168582 ! Fit after self-cal, rms=0.099498Jy sigma=1.167666 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=0.099498Jy sigma=1.167666 ! Fit after self-cal, rms=0.099320Jy sigma=1.165273 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=11.58 mas, bmaj=23.22 mas, bpa=8.852 degrees ! Estimated noise=1.84298 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 = 0.00102535 Jy ! Component: 100 - total flux cleaned = 0.00155144 Jy ! Component: 150 - total flux cleaned = 0.00188412 Jy ! Component: 200 - total flux cleaned = 0.00217849 Jy ! Total flux subtracted in 200 components = 0.0021785 Jy ! Clean residual min=-0.007832 max=0.009133 Jy/beam ! Clean residual mean=-0.000085 rms=0.002890 Jy/beam ! Combined flux in latest and established models = 0.1088 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 78 components and 0.1088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099216Jy sigma=1.163967 ! Fit after self-cal, rms=0.099035Jy sigma=1.161694 ! 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=0.099035Jy sigma=1.161694 ! Fit after self-cal, rms=0.089697Jy sigma=1.012123 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 = 0.00844944 Jy ! Component: 100 - total flux cleaned = 0.00829614 Jy ! Component: 150 - total flux cleaned = 0.00816444 Jy ! Component: 200 - total flux cleaned = 0.00815372 Jy ! Total flux subtracted in 200 components = 0.00815372 Jy ! Clean residual min=-0.007241 max=0.010010 Jy/beam ! Clean residual mean=-0.000069 rms=0.002689 Jy/beam ! Combined flux in latest and established models = 0.116954 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 83 components and 0.116954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088303Jy sigma=0.995747 ! Fit after self-cal, rms=0.087045Jy sigma=0.982859 ! 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: 11.58 x 23.22 at 8.852 degrees (North through East) ! Clean map min=-0.0070391 max=0.077124 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 = 20 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=12.74 mas, bmaj=24.91 mas, bpa=11.21 degrees ! Estimated noise=1.86164 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 = 0.000162214 Jy ! Component: 100 - total flux cleaned = 0.0002452 Jy ! Component: 150 - total flux cleaned = 0.000249624 Jy ! Component: 200 - total flux cleaned = 0.000311912 Jy ! Total flux subtracted in 200 components = 0.000311912 Jy ! Clean residual min=-0.006979 max=0.010363 Jy/beam ! Clean residual mean=-0.000082 rms=0.002779 Jy/beam ! Combined flux in latest and established models = 0.117266 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 84 components and 0.117266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086751Jy sigma=0.980710 ! Fit after self-cal, rms=0.086407Jy sigma=0.978059 ! 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=8.497 mas, bmaj=17.87 mas, bpa=0.4729 degrees ! Estimated noise=2.93786 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0633642 Jy ! Component: 100 - total flux cleaned = 0.0829444 Jy ! Component: 150 - total flux cleaned = 0.0944366 Jy ! Component: 200 - total flux cleaned = 0.101277 Jy ! Total flux subtracted in 200 components = 0.101277 Jy ! Clean residual min=-0.007992 max=0.008066 Jy/beam ! Clean residual mean=-0.000054 rms=0.002628 Jy/beam ! Combined flux in latest and established models = 0.101277 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.101277 Jy ! Inverting map and beam ! Estimated beam: bmin=11.58 mas, bmaj=23.22 mas, bpa=8.852 degrees ! Estimated noise=1.84298 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 = 0.00743281 Jy ! Component: 100 - total flux cleaned = 0.010586 Jy ! Component: 150 - total flux cleaned = 0.0111969 Jy ! Component: 200 - total flux cleaned = 0.011641 Jy ! Total flux subtracted in 200 components = 0.011641 Jy ! Clean residual min=-0.006607 max=0.010916 Jy/beam ! Clean residual mean=-0.000090 rms=0.002720 Jy/beam ! Combined flux in latest and established models = 0.112918 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 0.112918 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=12.74 mas, bmaj=24.91 mas, bpa=11.21 degrees ! Estimated noise=1.86164 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 = 0.00119377 Jy ! Component: 100 - total flux cleaned = 0.00141445 Jy ! Component: 150 - total flux cleaned = 0.00161237 Jy ! Component: 200 - total flux cleaned = 0.00179373 Jy ! Total flux subtracted in 200 components = 0.00179373 Jy ! Clean residual min=-0.006568 max=0.010991 Jy/beam ! Clean residual mean=-0.000093 rms=0.002828 Jy/beam ! Combined flux in latest and established models = 0.114711 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 43 components and 0.114711 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=11.58 mas, bmaj=23.22 mas, bpa=8.852 degrees ! Estimated noise=1.84298 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000225257 Jy ! Component: 100 - total flux cleaned = -0.000223785 Jy ! Component: 150 - total flux cleaned = -0.000271065 Jy ! Component: 200 - total flux cleaned = -0.00018911 Jy ! Total flux subtracted in 200 components = -0.00018911 Jy ! Clean residual min=-0.006432 max=0.010644 Jy/beam ! Clean residual mean=-0.000083 rms=0.002653 Jy/beam ! Combined flux in latest and established models = 0.114522 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 45 components and 0.114522 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086155Jy sigma=0.977287 ! Fit after self-cal, rms=0.086052Jy sigma=0.976132 wmodel J1532-1941_S_2005_06_30_yyk\_map.mod ! Writing 45 model components to file: J1532-1941_S_2005_06_30_yyk_map.mod wobs J1532-1941_S_2005_06_30_yyk\_uvs.fits ! Writing UV FITS file: J1532-1941_S_2005_06_30_yyk_uvs.fits wwins J1532-1941_S_2005_06_30_yyk\_map.win ! wwins: Wrote 1 windows to J1532-1941_S_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 = 0.00417957 Jy ! Component: 100 - total flux cleaned = 0.0066053 Jy ! Component: 150 - total flux cleaned = 0.00772085 Jy ! Component: 200 - total flux cleaned = 0.00845087 Jy ! Component: 250 - total flux cleaned = 0.00928503 Jy ! Component: 300 - total flux cleaned = 0.00983283 Jy ! Component: 350 - total flux cleaned = 0.0102051 Jy ! Component: 400 - total flux cleaned = 0.0105604 Jy ! Component: 450 - total flux cleaned = 0.010628 Jy ! Component: 500 - total flux cleaned = 0.0108228 Jy ! Component: 550 - total flux cleaned = 0.0110696 Jy ! Component: 600 - total flux cleaned = 0.0112483 Jy ! Component: 650 - total flux cleaned = 0.0115352 Jy ! Component: 700 - total flux cleaned = 0.0117018 Jy ! Component: 750 - total flux cleaned = 0.0120741 Jy ! Component: 800 - total flux cleaned = 0.0122793 Jy ! Component: 850 - total flux cleaned = 0.012229 Jy ! Component: 900 - total flux cleaned = 0.0123758 Jy ! Component: 950 - total flux cleaned = 0.0124701 Jy ! Component: 1000 - total flux cleaned = 0.0125164 Jy ! Total flux subtracted in 1024 components = 0.0125165 Jy ! Clean residual min=-0.002329 max=0.002658 Jy/beam ! Clean residual mean=-0.000030 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.127039 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 111 components and 0.127039 Jy ![Exited script file: muppet] wmap "J1532-1941_S_2005_06_30_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.58 x 23.22 at 8.852 degrees (North through East) ! Clean map min=-0.0046032 max=0.079898 Jy/beam ! Writing clean map to FITS file: J1532-1941_S_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 0.0798984 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00100182 device "J1532-1941_S_2005_06_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J1532-1941_S_2005_06_30_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.7616 3.7616 7.52321 15.0464 30.0928 60.1856 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.003 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.079 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 11.58 x 23.22 at 8.852 degrees (North through East) ! Clean map min=-0.0046032 max=0.079898 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1532-1941_S_2005_06_30_yyk\_map.gif/gif" ! Attempting to open device: 'J1532-1941_S_2005_06_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1532-1941_S_2005_06_30_yyk_uvs.log closed on Sat Oct 8 22:59:00 2005