! Started logfile: J1011-0422_S_2006_12_18_yyk_uvs.log on Mon Jun 16 20:14:52 2008 obs J1011-0422_S_2006_12_18_yyk_uve.fits ! Reading UV FITS file: J1011-0422_S_2006_12_18_yyk_uve.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.308497 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1011-0422 ! ! 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 2469 lines of history. ! ! Reading 944 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 J1011-0422_S_2006_12_18_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 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.111575 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=7.741 mas, bmaj=13.01 mas, bpa=4.72 degrees ! Estimated noise=1.71082 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 = 0.0718317 Jy ! Component: 100 - total flux cleaned = 0.0921167 Jy ! Total flux subtracted in 100 components = 0.0921167 Jy ! Clean residual min=-0.008449 max=0.009080 Jy/beam ! Clean residual mean=0.000020 rms=0.002554 Jy/beam ! Combined flux in latest and established models = 0.0921167 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0921167 Jy ! ! Correcting IF 1. ! A total of 75 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 81 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.079978Jy sigma=1.144850 ! Fit after self-cal, rms=0.078167Jy sigma=1.126154 ! Inverting map and beam ! Estimated beam: bmin=7.755 mas, bmaj=13.02 mas, bpa=4.658 degrees ! Estimated noise=1.70642 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=8.649 mas, bmaj=14.64 mas, bpa=4.506 degrees ! Estimated noise=1.36251 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 = 0.0114783 Jy ! Component: 100 - total flux cleaned = 0.015349 Jy ! Component: 150 - total flux cleaned = 0.0167666 Jy ! Component: 200 - total flux cleaned = 0.0174458 Jy ! Total flux subtracted in 200 components = 0.0174458 Jy ! Clean residual min=-0.005349 max=0.005581 Jy/beam ! Clean residual mean=0.000056 rms=0.001568 Jy/beam ! Combined flux in latest and established models = 0.109563 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 49 components and 0.109563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077908Jy sigma=1.098543 ! Fit after self-cal, rms=0.077933Jy sigma=1.097947 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.649 x 14.64 at 4.506 degrees (North through East) ! Clean map min=-0.0051851 max=0.081818 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. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 0.995134 ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* HN 1.00* KP 0.96 ! LA 0.96 MK 1.00* NL 1.16 OV 0.88 ! PT 1.11 SC 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.02558 ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00* HN 1.00* KP 0.96 ! LA 0.98 MK 1.00* NL 0.88 OV 0.89 ! PT 1.00 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.00678 ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00* HN 1.00* KP 0.91 ! LA 1.04 MK 1.00* NL 0.96 OV 0.99 ! PT 0.97 SC 1.00* ! ! ! Correcting IF 4. ! A total of 3 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* ! ! ! Fit before self-cal, rms=0.077933Jy sigma=1.097947 ! Fit after self-cal, rms=0.075976Jy sigma=1.093251 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=0.075976Jy sigma=1.093251 ! Fit after self-cal, rms=0.075909Jy sigma=1.092857 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=8.698 mas, bmaj=14.86 mas, bpa=2.973 degrees ! Estimated noise=1.33925 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 = -0.00136914 Jy ! Component: 100 - total flux cleaned = -0.00169333 Jy ! Component: 150 - total flux cleaned = -0.00181624 Jy ! Component: 200 - total flux cleaned = -0.00187244 Jy ! Total flux subtracted in 200 components = -0.00187244 Jy ! Clean residual min=-0.003684 max=0.004727 Jy/beam ! Clean residual mean=0.000115 rms=0.001375 Jy/beam ! Combined flux in latest and established models = 0.10769 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 57 components and 0.10769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075843Jy sigma=1.092255 ! Fit after self-cal, rms=0.075796Jy sigma=1.091885 ! 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=0.075796Jy sigma=1.091885 ! Fit after self-cal, rms=0.065183Jy sigma=0.960181 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 = 0.00434346 Jy ! Component: 100 - total flux cleaned = 0.00483675 Jy ! Component: 150 - total flux cleaned = 0.00496693 Jy ! Component: 200 - total flux cleaned = 0.00510812 Jy ! Total flux subtracted in 200 components = 0.00510812 Jy ! Clean residual min=-0.003956 max=0.004368 Jy/beam ! Clean residual mean=0.000080 rms=0.001170 Jy/beam ! Combined flux in latest and established models = 0.112798 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 72 components and 0.112798 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065016Jy sigma=0.952236 ! Fit after self-cal, rms=0.062794Jy sigma=0.938719 ! 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: 8.698 x 14.86 at 2.973 degrees (North through East) ! Clean map min=-0.0039953 max=0.086907 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=10.02 mas, bmaj=15.59 mas, bpa=6.457 degrees ! Estimated noise=1.37205 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 = 0.000679012 Jy ! Component: 100 - total flux cleaned = 0.000854826 Jy ! Component: 150 - total flux cleaned = 0.000932703 Jy ! Component: 200 - total flux cleaned = 0.000978914 Jy ! Total flux subtracted in 200 components = 0.000978914 Jy ! Clean residual min=-0.003691 max=0.003727 Jy/beam ! Clean residual mean=0.000096 rms=0.001135 Jy/beam ! Combined flux in latest and established models = 0.113777 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 79 components and 0.113777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062753Jy sigma=0.937974 ! Fit after self-cal, rms=0.061809Jy sigma=0.934425 ! 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=7.812 mas, bmaj=13.12 mas, bpa=3.878 degrees ! Estimated noise=1.6729 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0775239 Jy ! Component: 100 - total flux cleaned = 0.0979356 Jy ! Component: 150 - total flux cleaned = 0.104907 Jy ! Component: 200 - total flux cleaned = 0.10699 Jy ! Total flux subtracted in 200 components = 0.10699 Jy ! Clean residual min=-0.005418 max=0.006780 Jy/beam ! Clean residual mean=0.000009 rms=0.001710 Jy/beam ! Combined flux in latest and established models = 0.10699 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 28 model components to the UV plane model. ! The established model now contains 28 components and 0.10699 Jy ! Inverting map and beam ! Estimated beam: bmin=8.698 mas, bmaj=14.86 mas, bpa=2.973 degrees ! Estimated noise=1.33925 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 = 0.00417418 Jy ! Component: 100 - total flux cleaned = 0.00595384 Jy ! Component: 150 - total flux cleaned = 0.00661051 Jy ! Component: 200 - total flux cleaned = 0.00703869 Jy ! Total flux subtracted in 200 components = 0.00703869 Jy ! Clean residual min=-0.003833 max=0.004618 Jy/beam ! Clean residual mean=0.000072 rms=0.001151 Jy/beam ! Combined flux in latest and established models = 0.114029 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 50 components and 0.114029 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=10.02 mas, bmaj=15.59 mas, bpa=6.457 degrees ! Estimated noise=1.37205 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 = 0.000361666 Jy ! Component: 100 - total flux cleaned = 0.000531701 Jy ! Component: 150 - total flux cleaned = 0.000630307 Jy ! Component: 200 - total flux cleaned = 0.000665252 Jy ! Total flux subtracted in 200 components = 0.000665252 Jy ! Clean residual min=-0.003653 max=0.003942 Jy/beam ! Clean residual mean=0.000086 rms=0.001117 Jy/beam ! Combined flux in latest and established models = 0.114694 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 58 components and 0.114694 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=8.698 mas, bmaj=14.86 mas, bpa=2.973 degrees ! Estimated noise=1.33925 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000103705 Jy ! Component: 100 - total flux cleaned = -0.000140698 Jy ! Component: 150 - total flux cleaned = -0.000176373 Jy ! Component: 200 - total flux cleaned = -0.000210173 Jy ! Total flux subtracted in 200 components = -0.000210173 Jy ! Clean residual min=-0.003822 max=0.004469 Jy/beam ! Clean residual mean=0.000069 rms=0.001136 Jy/beam ! Combined flux in latest and established models = 0.114484 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 66 components and 0.114484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061760Jy sigma=0.933690 ! Fit after self-cal, rms=0.061277Jy sigma=0.932356 wmodel J1011-0422_S_2006_12_18_yyk\_map.mod ! Writing 66 model components to file: J1011-0422_S_2006_12_18_yyk_map.mod wobs J1011-0422_S_2006_12_18_yyk\_uvs.fits ! Writing UV FITS file: J1011-0422_S_2006_12_18_yyk_uvs.fits wwins J1011-0422_S_2006_12_18_yyk\_map.win ! wwins: Wrote 1 windows to J1011-0422_S_2006_12_18_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 = 0.000686119 Jy ! Component: 100 - total flux cleaned = 0.000619624 Jy ! Component: 150 - total flux cleaned = 0.00045833 Jy ! Component: 200 - total flux cleaned = 0.000359274 Jy ! Component: 250 - total flux cleaned = 0.000125951 Jy ! Component: 300 - total flux cleaned = -0.000182118 Jy ! Component: 350 - total flux cleaned = -0.000224128 Jy ! Component: 400 - total flux cleaned = -0.000343992 Jy ! Component: 450 - total flux cleaned = -0.000458045 Jy ! Component: 500 - total flux cleaned = -0.000494481 Jy ! Component: 550 - total flux cleaned = -0.000493817 Jy ! Component: 600 - total flux cleaned = -0.000458836 Jy ! Component: 650 - total flux cleaned = -0.000458827 Jy ! Component: 700 - total flux cleaned = -0.000491259 Jy ! Component: 750 - total flux cleaned = -0.000649704 Jy ! Component: 800 - total flux cleaned = -0.000774067 Jy ! Component: 850 - total flux cleaned = -0.000986015 Jy ! Component: 900 - total flux cleaned = -0.00116312 Jy ! Component: 950 - total flux cleaned = -0.00136523 Jy ! Component: 1000 - total flux cleaned = -0.00161845 Jy ! Total flux subtracted in 1024 components = -0.00170153 Jy ! Clean residual min=-0.001739 max=0.001634 Jy/beam ! Clean residual mean=0.000014 rms=0.000593 Jy/beam ! Combined flux in latest and established models = 0.112782 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 132 components and 0.112782 Jy ![Exited script file: muppet] wmap "J1011-0422_S_2006_12_18_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.698 x 14.86 at 2.973 degrees (North through East) ! Clean map min=-0.0026148 max=0.08682 Jy/beam ! Writing clean map to FITS file: J1011-0422_S_2006_12_18_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0868202 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000578478 device "J1011-0422_S_2006_12_18_yyk\_map.eps/VPS" ! Attempting to open device: 'J1011-0422_S_2006_12_18_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.99888 1.99888 3.99777 7.99553 15.9911 31.9821 63.9642 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.086 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.698 x 14.86 at 2.973 degrees (North through East) ! Clean map min=-0.0026148 max=0.08682 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1011-0422_S_2006_12_18_yyk\_map.gif/gif" ! Attempting to open device: 'J1011-0422_S_2006_12_18_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1011-0422_S_2006_12_18_yyk_uvs.log closed on Mon Jun 16 20:14:53 2008