! Started logfile: J0948-2901_X_2005_05_12_yyk_uvs.log on Sat Oct 8 22:56:05 2005 obs J0948-2901_X_2005_05_12_yyk_uve.fits ! Reading UV FITS file: J0948-2901_X_2005_05_12_yyk_uve.fits ! AN table 1: 20 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.324444 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0948-2901 ! ! 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 1439 lines of history. ! ! Reading 1168 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 J0948-2901_X_2005_05_12_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 0.600x0.600 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.110082 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=2.321 mas, bmaj=8.818 mas, bpa=12.65 degrees ! Estimated noise=3.88185 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 = 0.0559524 Jy ! Component: 100 - total flux cleaned = 0.0715276 Jy ! Total flux subtracted in 100 components = 0.0715276 Jy ! Clean residual min=-0.011895 max=0.012998 Jy/beam ! Clean residual mean=-0.000160 rms=0.003658 Jy/beam ! Combined flux in latest and established models = 0.0715276 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0715276 Jy ! ! Correcting IF 1. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 200 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 161 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.086092Jy sigma=1.421798 ! Fit after self-cal, rms=0.085700Jy sigma=1.212437 ! Inverting map and beam ! Estimated beam: bmin=2.322 mas, bmaj=8.824 mas, bpa=12.66 degrees ! Estimated noise=3.89472 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=3.082 mas, bmaj=11.02 mas, bpa=12.96 degrees ! Estimated noise=2.34551 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 = 0.0207803 Jy ! Component: 100 - total flux cleaned = 0.0294013 Jy ! Component: 150 - total flux cleaned = 0.0342633 Jy ! Component: 200 - total flux cleaned = 0.0372593 Jy ! Total flux subtracted in 200 components = 0.0372593 Jy ! Clean residual min=-0.010133 max=0.010980 Jy/beam ! Clean residual mean=-0.000040 rms=0.003457 Jy/beam ! Combined flux in latest and established models = 0.108787 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 46 model components to the UV plane model. ! The established model now contains 52 components and 0.108787 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085458Jy sigma=1.147881 ! Fit after self-cal, rms=0.085367Jy sigma=1.145084 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.082 x 11.02 at 12.96 degrees (North through East) ! Clean map min=-0.0095432 max=0.078557 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: 0.997612 ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.88 HN 1.00* KP 1.12 ! LA 0.92 MK 1.00* NL 1.01 OV 1.05 ! PT 1.12 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Correcting IF 3. ! A total of 24 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. ! A total of 15 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=0.085367Jy sigma=1.145084 ! Fit after self-cal, rms=0.086396Jy sigma=1.154620 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=0.086396Jy sigma=1.154620 ! Fit after self-cal, rms=0.086421Jy sigma=1.153346 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.904 mas, bmaj=10.48 mas, bpa=14.25 degrees ! Estimated noise=2.51504 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 = 0.00736434 Jy ! Component: 100 - total flux cleaned = 0.0116481 Jy ! Component: 150 - total flux cleaned = 0.0143767 Jy ! Component: 200 - total flux cleaned = 0.0158736 Jy ! Total flux subtracted in 200 components = 0.0158736 Jy ! Clean residual min=-0.009991 max=0.010804 Jy/beam ! Clean residual mean=0.000070 rms=0.003468 Jy/beam ! Combined flux in latest and established models = 0.12466 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 0.12466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086971Jy sigma=1.143822 ! Fit after self-cal, rms=0.087049Jy sigma=1.143369 ! 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=0.087049Jy sigma=1.143369 ! Fit after self-cal, rms=0.078395Jy sigma=0.983225 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 = 0.00794831 Jy ! Component: 100 - total flux cleaned = 0.0120723 Jy ! Component: 150 - total flux cleaned = 0.0144131 Jy ! Component: 200 - total flux cleaned = 0.0152681 Jy ! Total flux subtracted in 200 components = 0.0152681 Jy ! Clean residual min=-0.010891 max=0.010769 Jy/beam ! Clean residual mean=0.000076 rms=0.003761 Jy/beam ! Combined flux in latest and established models = 0.139929 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 69 components and 0.139929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078910Jy sigma=0.971179 ! Fit after self-cal, rms=0.077933Jy sigma=0.963264 ! 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: 2.904 x 10.48 at 14.25 degrees (North through East) ! Clean map min=-0.010382 max=0.084896 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=3.256 mas, bmaj=11.07 mas, bpa=14.28 degrees ! Estimated noise=2.5491 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 = 0.00137943 Jy ! Component: 100 - total flux cleaned = 0.00156522 Jy ! Component: 150 - total flux cleaned = 0.00181122 Jy ! Component: 200 - total flux cleaned = 0.00199568 Jy ! Total flux subtracted in 200 components = 0.00199568 Jy ! Clean residual min=-0.011259 max=0.011013 Jy/beam ! Clean residual mean=0.000093 rms=0.003995 Jy/beam ! Combined flux in latest and established models = 0.141924 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 71 components and 0.141924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077965Jy sigma=0.962458 ! Fit after self-cal, rms=0.077397Jy sigma=0.960502 ! 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=2.261 mas, bmaj=8.844 mas, bpa=12.67 degrees ! Estimated noise=3.89848 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0645126 Jy ! Component: 100 - total flux cleaned = 0.0850124 Jy ! Component: 150 - total flux cleaned = 0.0975812 Jy ! Component: 200 - total flux cleaned = 0.105631 Jy ! Total flux subtracted in 200 components = 0.105631 Jy ! Clean residual min=-0.009945 max=0.008659 Jy/beam ! Clean residual mean=-0.000079 rms=0.002912 Jy/beam ! Combined flux in latest and established models = 0.105631 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.105631 Jy ! Inverting map and beam ! Estimated beam: bmin=2.904 mas, bmaj=10.48 mas, bpa=14.25 degrees ! Estimated noise=2.51504 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 = 0.0155394 Jy ! Component: 100 - total flux cleaned = 0.0232889 Jy ! Component: 150 - total flux cleaned = 0.0280072 Jy ! Component: 200 - total flux cleaned = 0.0310729 Jy ! Total flux subtracted in 200 components = 0.0310729 Jy ! Clean residual min=-0.010789 max=0.010913 Jy/beam ! Clean residual mean=0.000058 rms=0.003877 Jy/beam ! Combined flux in latest and established models = 0.136704 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 50 components and 0.136704 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=3.256 mas, bmaj=11.07 mas, bpa=14.28 degrees ! Estimated noise=2.5491 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 = 0.00239546 Jy ! Component: 100 - total flux cleaned = 0.00386853 Jy ! Component: 150 - total flux cleaned = 0.00433978 Jy ! Component: 200 - total flux cleaned = 0.004675 Jy ! Total flux subtracted in 200 components = 0.004675 Jy ! Clean residual min=-0.011213 max=0.011090 Jy/beam ! Clean residual mean=0.000089 rms=0.004004 Jy/beam ! Combined flux in latest and established models = 0.141379 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 54 components and 0.141379 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.904 mas, bmaj=10.48 mas, bpa=14.25 degrees ! Estimated noise=2.51504 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000238751 Jy ! Component: 100 - total flux cleaned = -9.76875e-05 Jy ! Component: 150 - total flux cleaned = 3.02658e-05 Jy ! Component: 200 - total flux cleaned = 0.000120892 Jy ! Total flux subtracted in 200 components = 0.000120892 Jy ! Clean residual min=-0.010514 max=0.010592 Jy/beam ! Clean residual mean=0.000079 rms=0.003642 Jy/beam ! Combined flux in latest and established models = 0.1415 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 60 components and 0.1415 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077179Jy sigma=0.960132 ! Fit after self-cal, rms=0.076841Jy sigma=0.959124 wmodel J0948-2901_X_2005_05_12_yyk\_map.mod ! Writing 60 model components to file: J0948-2901_X_2005_05_12_yyk_map.mod wobs J0948-2901_X_2005_05_12_yyk\_uvs.fits ! Writing UV FITS file: J0948-2901_X_2005_05_12_yyk_uvs.fits wwins J0948-2901_X_2005_05_12_yyk\_map.win ! wwins: Wrote 1 windows to J0948-2901_X_2005_05_12_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 = 0.000802642 Jy ! Component: 100 - total flux cleaned = 0.00081309 Jy ! Component: 150 - total flux cleaned = 0.000404009 Jy ! Component: 200 - total flux cleaned = -0.000180764 Jy ! Component: 250 - total flux cleaned = 0.000221293 Jy ! Component: 300 - total flux cleaned = 0.000404375 Jy ! Component: 350 - total flux cleaned = 0.000666879 Jy ! Component: 400 - total flux cleaned = 0.000908942 Jy ! Component: 450 - total flux cleaned = 0.00129496 Jy ! Component: 500 - total flux cleaned = 0.00144295 Jy ! Component: 550 - total flux cleaned = 0.00116532 Jy ! Component: 600 - total flux cleaned = 0.000765834 Jy ! Component: 650 - total flux cleaned = 0.000385198 Jy ! Component: 700 - total flux cleaned = -0.000167974 Jy ! Component: 750 - total flux cleaned = -0.000759811 Jy ! Component: 800 - total flux cleaned = -0.00144952 Jy ! Component: 850 - total flux cleaned = -0.00228226 Jy ! Component: 900 - total flux cleaned = -0.00282029 Jy ! Component: 950 - total flux cleaned = -0.00350088 Jy ! Component: 1000 - total flux cleaned = -0.00405847 Jy ! Total flux subtracted in 1024 components = -0.00440619 Jy ! Clean residual min=-0.002645 max=0.002457 Jy/beam ! Clean residual mean=0.000001 rms=0.001148 Jy/beam ! Combined flux in latest and established models = 0.137094 Jy keep ! Adding 67 model components to the UV plane model. ! The established model now contains 127 components and 0.137094 Jy ![Exited script file: muppet] wmap "J0948-2901_X_2005_05_12_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.904 x 10.48 at 14.25 degrees (North through East) ! Clean map min=-0.006287 max=0.083395 Jy/beam ! Writing clean map to FITS file: J0948-2901_X_2005_05_12_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0833946 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00110764 device "J0948-2901_X_2005_05_12_yyk\_map.eps/VPS" ! Attempting to open device: 'J0948-2901_X_2005_05_12_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.98457 3.98457 7.96914 15.9383 31.8766 63.7531 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0033 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.083 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.904 x 10.48 at 14.25 degrees (North through East) ! Clean map min=-0.006287 max=0.083395 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0948-2901_X_2005_05_12_yyk\_map.gif/gif" ! Attempting to open device: 'J0948-2901_X_2005_05_12_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0948-2901_X_2005_05_12_yyk_uvs.log closed on Sat Oct 8 22:56:06 2005