! Started logfile: J0415+7753_S_2006_02_16_yyk_uvs.log on Wed Jul 5 11:22:54 2006 obs J0415+7753_S_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J0415+7753_S_2006_02_16_yyk_uva.fits ! AN table 1: 878 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.32779 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0415+7753 ! ! 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 2421 lines of history. ! ! Reading 51804 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 J0415+7753_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)= 0.116696 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=8.357 mas, bmaj=23.32 mas, bpa=53.23 degrees ! Estimated noise=2.20458 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 = 0.0839334 Jy ! Component: 100 - total flux cleaned = 0.117764 Jy ! Total flux subtracted in 100 components = 0.117764 Jy ! Clean residual min=-0.011222 max=0.011421 Jy/beam ! Clean residual mean=0.000314 rms=0.004788 Jy/beam ! Combined flux in latest and established models = 0.117764 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 25 components and 0.117764 Jy ! ! Correcting IF 1. ! A total of 75 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.061776Jy sigma=1.165778 ! Fit after self-cal, rms=0.061529Jy sigma=1.158536 ! Inverting map and beam ! Estimated beam: bmin=8.357 mas, bmaj=23.32 mas, bpa=53.23 degrees ! Estimated noise=2.20458 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=8.564 mas, bmaj=22.65 mas, bpa=52.89 degrees ! Estimated noise=1.10679 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 = 0.0160974 Jy ! Component: 100 - total flux cleaned = 0.0221009 Jy ! Component: 150 - total flux cleaned = 0.0224246 Jy ! Component: 200 - total flux cleaned = 0.0203708 Jy ! Total flux subtracted in 200 components = 0.0203708 Jy ! Clean residual min=-0.003223 max=0.003227 Jy/beam ! Clean residual mean=0.000092 rms=0.001857 Jy/beam ! Combined flux in latest and established models = 0.138135 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 129 model components to the UV plane model. ! The established model now contains 154 components and 0.138135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055016Jy sigma=1.029422 ! Fit after self-cal, rms=0.054970Jy sigma=1.028258 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.564 x 22.65 at 52.89 degrees (North through East) ! Clean map min=-0.0065271 max=0.085992 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: 1.01859 ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.95 HN 1.00* KP 1.01 ! LA 1.05 MK 1.00* NL 1.00* OV 0.96 ! PT 0.96 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.995149 ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 1.00* KP 0.96 ! LA 1.09 MK 1.00* NL 1.00* OV 0.96 ! PT 0.89 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.992651 ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 1.00* KP 1.04 ! LA 0.85 MK 1.00* NL 1.00* OV 1.14 ! 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=0.054970Jy sigma=1.028258 ! Fit after self-cal, rms=0.053844Jy sigma=1.011057 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=0.053844Jy sigma=1.011057 ! Fit after self-cal, rms=0.053814Jy sigma=1.010402 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=8.718 mas, bmaj=23.02 mas, bpa=52.36 degrees ! Estimated noise=1.10265 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 = 0.00146718 Jy ! Component: 100 - total flux cleaned = 0.00207768 Jy ! Component: 150 - total flux cleaned = 0.00219044 Jy ! Component: 200 - total flux cleaned = 0.00249257 Jy ! Total flux subtracted in 200 components = 0.00249257 Jy ! Clean residual min=-0.001162 max=0.001152 Jy/beam ! Clean residual mean=0.000019 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.140628 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 96 model components to the UV plane model. ! The established model now contains 250 components and 0.140628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053026Jy sigma=0.998309 ! Fit after self-cal, rms=0.053007Jy sigma=0.997765 ! 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=0.053007Jy sigma=0.997765 ! Fit after self-cal, rms=0.048554Jy sigma=0.904916 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 = 0.000704565 Jy ! Component: 100 - total flux cleaned = -0.000128615 Jy ! Component: 150 - total flux cleaned = -0.000298807 Jy ! Component: 200 - total flux cleaned = -0.000546333 Jy ! Total flux subtracted in 200 components = -0.000546333 Jy ! Clean residual min=-0.000732 max=0.000725 Jy/beam ! Clean residual mean=0.000007 rms=0.000371 Jy/beam ! Combined flux in latest and established models = 0.140081 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 98 model components to the UV plane model. ! The established model now contains 341 components and 0.140082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048079Jy sigma=0.899079 ! Fit after self-cal, rms=0.047805Jy sigma=0.893736 ! 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: 8.718 x 23.02 at 52.36 degrees (North through East) ! Clean map min=-0.0054828 max=0.086561 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=9.773 mas, bmaj=22.98 mas, bpa=50.76 degrees ! Estimated noise=1.12366 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 = -0.000216222 Jy ! Component: 100 - total flux cleaned = -0.000271397 Jy ! Component: 150 - total flux cleaned = -0.000312347 Jy ! Component: 200 - total flux cleaned = -0.000433764 Jy ! Total flux subtracted in 200 components = -0.000433764 Jy ! Clean residual min=-0.000486 max=0.000484 Jy/beam ! Clean residual mean=0.000005 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.139648 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 84 model components to the UV plane model. ! The established model now contains 416 components and 0.139648 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.047670Jy sigma=0.892217 ! Fit after self-cal, rms=0.047638Jy sigma=0.891674 ! 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=8.399 mas, bmaj=23.44 mas, bpa=53.1 degrees ! Estimated noise=2.19428 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0857861 Jy ! Component: 100 - total flux cleaned = 0.11917 Jy ! Component: 150 - total flux cleaned = 0.122222 Jy ! Component: 200 - total flux cleaned = 0.127968 Jy ! Total flux subtracted in 200 components = 0.127968 Jy ! Clean residual min=-0.005068 max=0.005103 Jy/beam ! Clean residual mean=0.000152 rms=0.002450 Jy/beam ! Combined flux in latest and established models = 0.127968 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 87 model components to the UV plane model. ! The established model now contains 87 components and 0.127968 Jy ! Inverting map and beam ! Estimated beam: bmin=8.718 mas, bmaj=23.02 mas, bpa=52.36 degrees ! Estimated noise=1.10265 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 = 0.0030915 Jy ! Component: 100 - total flux cleaned = 6.84276e-06 Jy ! Component: 150 - total flux cleaned = -0.00277165 Jy ! Component: 200 - total flux cleaned = -0.00473918 Jy ! Total flux subtracted in 200 components = -0.00473918 Jy ! Clean residual min=-0.001936 max=0.001925 Jy/beam ! Clean residual mean=0.000026 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.123229 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 180 components and 0.123229 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=9.773 mas, bmaj=22.98 mas, bpa=50.76 degrees ! Estimated noise=1.12366 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 = 0.000861213 Jy ! Component: 100 - total flux cleaned = 0.000865 Jy ! Component: 150 - total flux cleaned = 0.000956368 Jy ! Component: 200 - total flux cleaned = 0.00165068 Jy ! Total flux subtracted in 200 components = 0.00165068 Jy ! Clean residual min=-0.000890 max=0.000881 Jy/beam ! Clean residual mean=0.000015 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.12488 Jy ! Adding 118 model components to the UV plane model. ! The established model now contains 295 components and 0.12488 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=8.718 mas, bmaj=23.02 mas, bpa=52.36 degrees ! Estimated noise=1.10265 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000471221 Jy ! Component: 100 - total flux cleaned = -0.000518008 Jy ! Component: 150 - total flux cleaned = -0.000613573 Jy ! Component: 200 - total flux cleaned = -0.000616458 Jy ! Total flux subtracted in 200 components = -0.000616458 Jy ! Clean residual min=-0.000512 max=0.000516 Jy/beam ! Clean residual mean=0.000003 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.124263 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 86 model components to the UV plane model. ! The established model now contains 377 components and 0.124263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.047630Jy sigma=0.891475 ! Fit after self-cal, rms=0.047618Jy sigma=0.891310 wmodel J0415+7753_S_2006_02_16_yyk\_map.mod ! Writing 377 model components to file: J0415+7753_S_2006_02_16_yyk_map.mod wobs J0415+7753_S_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J0415+7753_S_2006_02_16_yyk_uvs.fits wwins J0415+7753_S_2006_02_16_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0415+7753_S_2006_02_16_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.718 x 23.02 at 52.36 degrees (North through East) ! Clean map min=-0.0059386 max=0.087212 Jy/beam ! Writing clean map to FITS file: J0415+7753_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 0.0872122 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000265995 device "J0415+7753_S_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J0415+7753_S_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.914991 0.914991 1.82998 3.65996 7.31993 14.6399 29.2797 58.5594 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.087 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.718 x 23.02 at 52.36 degrees (North through East) ! Clean map min=-0.0059386 max=0.087212 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0415+7753_S_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J0415+7753_S_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0415+7753_S_2006_02_16_yyk_uvs.log closed on Wed Jul 5 11:23:11 2006