! Started logfile: J1155+8157_S_2006_02_16_yyk_uvs.log on Wed Jul 5 12:06:33 2006 obs J1155+8157_S_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J1155+8157_S_2006_02_16_yyk_uva.fits ! AN table 1: 876 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.324226 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1155+8157 ! ! 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 2424 lines of history. ! ! Reading 51124 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 J1155+8157_S_2006_02_16_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 = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. uvav time_av, true ! Averaging into 30 second bins. ! 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 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.0949466 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=3.585 mas, bmaj=22.08 mas, bpa=-19.25 degrees ! Estimated noise=1.54283 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 = 0.0383298 Jy ! Component: 100 - total flux cleaned = 0.0577855 Jy ! Total flux subtracted in 100 components = 0.0577855 Jy ! Clean residual min=-0.007391 max=0.007580 Jy/beam ! Clean residual mean=0.000121 rms=0.002696 Jy/beam ! Combined flux in latest and established models = 0.0577855 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 41 components and 0.0577855 Jy ! ! Correcting IF 1. ! A total of 64 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.062808Jy sigma=1.176841 ! Fit after self-cal, rms=0.062722Jy sigma=1.174940 ! Inverting map and beam ! Estimated beam: bmin=3.585 mas, bmaj=22.08 mas, bpa=-19.25 degrees ! Estimated noise=1.54283 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=3.564 mas, bmaj=22.97 mas, bpa=-18.41 degrees ! Estimated noise=0.803336 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 = 0.0100007 Jy ! Component: 100 - total flux cleaned = 0.0126798 Jy ! Component: 150 - total flux cleaned = 0.0124883 Jy ! Component: 200 - total flux cleaned = 0.0118852 Jy ! Total flux subtracted in 200 components = 0.0118852 Jy ! Clean residual min=-0.002300 max=0.002292 Jy/beam ! Clean residual mean=0.000097 rms=0.001010 Jy/beam ! Combined flux in latest and established models = 0.0696707 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 93 model components to the UV plane model. ! The established model now contains 131 components and 0.0696707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056563Jy sigma=1.045412 ! Fit after self-cal, rms=0.056539Jy sigma=1.045024 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.564 x 22.97 at -18.41 degrees (North through East) ! Clean map min=-0.0045829 max=0.034509 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: 1.02433 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.84 HN 0.94 KP 1.02 ! LA 1.04 MK 1.00* NL 1.00* OV 1.00 ! PT 0.92 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00628 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 HN 1.00* KP 1.07 ! LA 0.97 MK 1.00* NL 1.00* OV 1.10 ! PT 0.85 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=0.056539Jy sigma=1.045024 ! Fit after self-cal, rms=0.055982Jy sigma=1.035981 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=0.055982Jy sigma=1.035981 ! Fit after self-cal, rms=0.055966Jy sigma=1.035824 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.557 mas, bmaj=22.91 mas, bpa=-18.98 degrees ! Estimated noise=0.770257 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 = -0.00302465 Jy ! Component: 100 - total flux cleaned = -0.00474479 Jy ! Component: 150 - total flux cleaned = -0.00553511 Jy ! Component: 200 - total flux cleaned = -0.00553194 Jy ! Total flux subtracted in 200 components = -0.00553194 Jy ! Clean residual min=-0.001020 max=0.001017 Jy/beam ! Clean residual mean=0.000032 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.0641388 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 73 model components to the UV plane model. ! The established model now contains 200 components and 0.0641388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055100Jy sigma=1.019491 ! Fit after self-cal, rms=0.055080Jy sigma=1.019292 ! 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=0.055080Jy sigma=1.019292 ! Fit after self-cal, rms=0.050516Jy sigma=0.928345 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 = 0.00227948 Jy ! Component: 100 - total flux cleaned = 0.0038143 Jy ! Component: 150 - total flux cleaned = 0.00514831 Jy ! Component: 200 - total flux cleaned = 0.00608318 Jy ! Total flux subtracted in 200 components = 0.00608318 Jy ! Clean residual min=-0.000780 max=0.000780 Jy/beam ! Clean residual mean=0.000019 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.070222 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 88 model components to the UV plane model. ! The established model now contains 279 components and 0.070222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049683Jy sigma=0.913117 ! Fit after self-cal, rms=0.049341Jy sigma=0.906801 ! 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: 3.557 x 22.91 at -18.98 degrees (North through East) ! Clean map min=-0.0039133 max=0.035364 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=5.434 mas, bmaj=20.38 mas, bpa=-18.36 degrees ! Estimated noise=1.01329 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 = 0.00141959 Jy ! Component: 100 - total flux cleaned = 0.00206655 Jy ! Component: 150 - total flux cleaned = 0.00163137 Jy ! Component: 200 - total flux cleaned = 0.00139123 Jy ! Total flux subtracted in 200 components = 0.00139123 Jy ! Clean residual min=-0.000687 max=0.000696 Jy/beam ! Clean residual mean=0.000011 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.0716132 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 88 model components to the UV plane model. ! The established model now contains 353 components and 0.0716132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048862Jy sigma=0.900360 ! Fit after self-cal, rms=0.048788Jy sigma=0.899141 ! 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=3.583 mas, bmaj=22.02 mas, bpa=-19.6 degrees ! Estimated noise=1.4703 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0389257 Jy ! Component: 100 - total flux cleaned = 0.0592877 Jy ! Component: 150 - total flux cleaned = 0.0635159 Jy ! Component: 200 - total flux cleaned = 0.0656706 Jy ! Total flux subtracted in 200 components = 0.0656706 Jy ! Clean residual min=-0.003971 max=0.003995 Jy/beam ! Clean residual mean=0.000069 rms=0.001583 Jy/beam ! Combined flux in latest and established models = 0.0656706 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 79 model components to the UV plane model. ! The established model now contains 79 components and 0.0656706 Jy ! Inverting map and beam ! Estimated beam: bmin=3.557 mas, bmaj=22.91 mas, bpa=-18.98 degrees ! Estimated noise=0.770257 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 = -0.0004087 Jy ! Component: 100 - total flux cleaned = 0.00138308 Jy ! Component: 150 - total flux cleaned = 0.0023306 Jy ! Component: 200 - total flux cleaned = 0.00271384 Jy ! Total flux subtracted in 200 components = 0.00271384 Jy ! Clean residual min=-0.001544 max=0.001528 Jy/beam ! Clean residual mean=0.000038 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 0.0683844 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 150 components and 0.0683844 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=5.434 mas, bmaj=20.38 mas, bpa=-18.36 degrees ! Estimated noise=1.01329 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 = -0.00162004 Jy ! Component: 100 - total flux cleaned = -0.00220308 Jy ! Component: 150 - total flux cleaned = -0.00255233 Jy ! Component: 200 - total flux cleaned = -0.00373649 Jy ! Total flux subtracted in 200 components = -0.00373649 Jy ! Clean residual min=-0.001169 max=0.001169 Jy/beam ! Clean residual mean=0.000049 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 0.0646479 Jy ! Adding 83 model components to the UV plane model. ! The established model now contains 225 components and 0.0646479 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.557 mas, bmaj=22.91 mas, bpa=-18.98 degrees ! Estimated noise=0.770257 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000648475 Jy ! Component: 100 - total flux cleaned = -0.000557483 Jy ! Component: 150 - total flux cleaned = -0.000318182 Jy ! Component: 200 - total flux cleaned = -3.25987e-05 Jy ! Total flux subtracted in 200 components = -3.25987e-05 Jy ! Clean residual min=-0.000416 max=0.000420 Jy/beam ! Clean residual mean=0.000010 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0646153 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 55 model components to the UV plane model. ! The established model now contains 278 components and 0.0646154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048785Jy sigma=0.897795 ! Fit after self-cal, rms=0.048761Jy sigma=0.897193 wmodel J1155+8157_S_2006_02_16_yyk\_map.mod ! Writing 278 model components to file: J1155+8157_S_2006_02_16_yyk_map.mod wobs J1155+8157_S_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J1155+8157_S_2006_02_16_yyk_uvs.fits wwins J1155+8157_S_2006_02_16_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1155+8157_S_2006_02_16_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.557 x 22.91 at -18.98 degrees (North through East) ! Clean map min=-0.0038761 max=0.034646 Jy/beam ! Writing clean map to FITS file: J1155+8157_S_2006_02_16_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0346463 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000254556 device "J1155+8157_S_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J1155+8157_S_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.20418 2.20418 4.40836 8.81673 17.6335 35.2669 70.5338 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.034 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.557 x 22.91 at -18.98 degrees (North through East) ! Clean map min=-0.0038761 max=0.034646 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1155+8157_S_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J1155+8157_S_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1155+8157_S_2006_02_16_yyk_uvs.log closed on Wed Jul 5 12:06:52 2006