! Started logfile: J0910-0526_X_2004_05_27_yyk_uvs.log on Wed Dec 7 01:08:48 2005 obs J0910-0526_X_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J0910-0526_X_2004_05_27_yyk_uve.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.184722 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0910-0526 ! ! 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 1380 lines of history. ! ! Reading 532 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 J0910-0526_X_2004_05_27_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 = 128x128 pixels with 0.800x0.800 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.10361 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 110 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 102 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 126 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=0.947018Jy sigma=14.682449 ! Fit after self-cal, rms=0.941692Jy sigma=14.643214 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=3.17 mas, bmaj=4.204 mas, bpa=24.85 degrees ! Estimated noise=4.09902 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 = 0.0553531 Jy ! Component: 100 - total flux cleaned = 0.0697558 Jy ! Total flux subtracted in 100 components = 0.0697558 Jy ! Clean residual min=-0.012009 max=0.010524 Jy/beam ! Clean residual mean=-0.000011 rms=0.003397 Jy/beam ! Combined flux in latest and established models = 0.0697558 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 0.0697558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082075Jy sigma=1.050173 ! Fit after self-cal, rms=0.082008Jy sigma=1.049765 ! Inverting map 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=3.72 mas, bmaj=5.499 mas, bpa=48.36 degrees ! Estimated noise=2.38408 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 = 0.00996314 Jy ! Component: 100 - total flux cleaned = 0.0126976 Jy ! Component: 150 - total flux cleaned = 0.0137086 Jy ! Component: 200 - total flux cleaned = 0.0144648 Jy ! Total flux subtracted in 200 components = 0.0144648 Jy ! Clean residual min=-0.006603 max=0.008281 Jy/beam ! Clean residual mean=-0.000056 rms=0.002216 Jy/beam ! Combined flux in latest and established models = 0.0842206 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 18 components and 0.0842206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081430Jy sigma=1.033223 ! Fit after self-cal, rms=0.081408Jy sigma=1.032805 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 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: 0.996365 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.92 HN 1.00* KP 1.05 ! LA 0.97 MK 1.00* NL 1.00* OV 0.97 ! PT 1.04 SC 1.00* ! ! ! Fit before self-cal, rms=0.081408Jy sigma=1.032805 ! Fit after self-cal, rms=0.081459Jy sigma=1.032152 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=0.081459Jy sigma=1.032152 ! Fit after self-cal, rms=0.081446Jy sigma=1.032140 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.73 mas, bmaj=5.516 mas, bpa=46.95 degrees ! Estimated noise=2.37814 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 = -3.23127e-06 Jy ! Component: 100 - total flux cleaned = -7.81788e-05 Jy ! Component: 150 - total flux cleaned = -7.4732e-05 Jy ! Component: 200 - total flux cleaned = -1.24722e-05 Jy ! Total flux subtracted in 200 components = -1.24722e-05 Jy ! Clean residual min=-0.007168 max=0.008238 Jy/beam ! Clean residual mean=-0.000058 rms=0.002140 Jy/beam ! Combined flux in latest and established models = 0.0842081 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 20 components and 0.0842081 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081287Jy sigma=1.030618 ! Fit after self-cal, rms=0.081304Jy sigma=1.030566 ! 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=0.081304Jy sigma=1.030566 ! Fit after self-cal, rms=0.073800Jy sigma=0.900094 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 = 0.00649929 Jy ! Component: 100 - total flux cleaned = 0.00637821 Jy ! Component: 150 - total flux cleaned = 0.00618091 Jy ! Component: 200 - total flux cleaned = 0.00602478 Jy ! Total flux subtracted in 200 components = 0.00602478 Jy ! Clean residual min=-0.006349 max=0.006016 Jy/beam ! Clean residual mean=-0.000022 rms=0.001764 Jy/beam ! Combined flux in latest and established models = 0.0902329 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 25 components and 0.0902329 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073447Jy sigma=0.890037 ! Fit after self-cal, rms=0.071127Jy sigma=0.871103 ! 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: 3.73 x 5.516 at 46.95 degrees (North through East) ! Clean map min=-0.0054346 max=0.076244 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=4.006 mas, bmaj=5.752 mas, bpa=45.07 degrees ! Estimated noise=2.39512 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 = -0.000203746 Jy ! Component: 100 - total flux cleaned = -0.000348507 Jy ! Component: 150 - total flux cleaned = -0.00050378 Jy ! Component: 200 - total flux cleaned = -0.000637961 Jy ! Total flux subtracted in 200 components = -0.000637961 Jy ! Clean residual min=-0.005991 max=0.005581 Jy/beam ! Clean residual mean=-0.000011 rms=0.001607 Jy/beam ! Combined flux in latest and established models = 0.0895949 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 26 components and 0.0895949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071096Jy sigma=0.869246 ! Fit after self-cal, rms=0.070399Jy sigma=0.865550 ! 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=3.158 mas, bmaj=4.223 mas, bpa=24.17 degrees ! Estimated noise=4.10016 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0628732 Jy ! Component: 100 - total flux cleaned = 0.078913 Jy ! Component: 150 - total flux cleaned = 0.0852757 Jy ! Component: 200 - total flux cleaned = 0.0875307 Jy ! Total flux subtracted in 200 components = 0.0875307 Jy ! Clean residual min=-0.008791 max=0.008855 Jy/beam ! Clean residual mean=0.000005 rms=0.003054 Jy/beam ! Combined flux in latest and established models = 0.0875307 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0875307 Jy ! Inverting map and beam ! Estimated beam: bmin=3.73 mas, bmaj=5.516 mas, bpa=46.95 degrees ! Estimated noise=2.37814 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 = 0.00312936 Jy ! Component: 100 - total flux cleaned = 0.00325246 Jy ! Component: 150 - total flux cleaned = 0.00297723 Jy ! Component: 200 - total flux cleaned = 0.0027425 Jy ! Total flux subtracted in 200 components = 0.0027425 Jy ! Clean residual min=-0.006069 max=0.005602 Jy/beam ! Clean residual mean=-0.000011 rms=0.001696 Jy/beam ! Combined flux in latest and established models = 0.0902732 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 15 components and 0.0902732 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=4.006 mas, bmaj=5.752 mas, bpa=45.07 degrees ! Estimated noise=2.39512 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 = -0.000212963 Jy ! Component: 100 - total flux cleaned = -0.000379505 Jy ! Component: 150 - total flux cleaned = -0.000475793 Jy ! Component: 200 - total flux cleaned = -0.000564032 Jy ! Total flux subtracted in 200 components = -0.000564032 Jy ! Clean residual min=-0.005982 max=0.005474 Jy/beam ! Clean residual mean=-0.000009 rms=0.001582 Jy/beam ! Combined flux in latest and established models = 0.0897092 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 17 components and 0.0897092 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.73 mas, bmaj=5.516 mas, bpa=46.95 degrees ! Estimated noise=2.37814 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 5.13969e-05 Jy ! Component: 100 - total flux cleaned = 5.19805e-05 Jy ! Component: 150 - total flux cleaned = 1.36972e-05 Jy ! Component: 200 - total flux cleaned = -2.09492e-05 Jy ! Total flux subtracted in 200 components = -2.09492e-05 Jy ! Clean residual min=-0.005999 max=0.005579 Jy/beam ! Clean residual mean=-0.000010 rms=0.001625 Jy/beam ! Combined flux in latest and established models = 0.0896882 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 0.0896882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070435Jy sigma=0.865071 ! Fit after self-cal, rms=0.070155Jy sigma=0.863679 wmodel J0910-0526_X_2004_05_27_yyk\_map.mod ! Writing 21 model components to file: J0910-0526_X_2004_05_27_yyk_map.mod wobs J0910-0526_X_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J0910-0526_X_2004_05_27_yyk_uvs.fits wwins J0910-0526_X_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J0910-0526_X_2004_05_27_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=512 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000658828 Jy ! Component: 100 - total flux cleaned = -0.000895171 Jy ! Component: 150 - total flux cleaned = -0.000822553 Jy ! Component: 200 - total flux cleaned = -0.000101035 Jy ! Component: 250 - total flux cleaned = 0.000398237 Jy ! Component: 300 - total flux cleaned = 0.000812134 Jy ! Component: 350 - total flux cleaned = 0.000815197 Jy ! Component: 400 - total flux cleaned = 0.00097622 Jy ! Component: 450 - total flux cleaned = 0.00107791 Jy ! Component: 500 - total flux cleaned = 0.000977398 Jy ! Total flux subtracted in 512 components = 0.000928472 Jy ! Clean residual min=-0.003399 max=0.003411 Jy/beam ! Clean residual mean=-0.000004 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 0.0906167 Jy keep ! Adding 28 model components to the UV plane model. ! The established model now contains 49 components and 0.0906167 Jy ![Exited script file: muppet] wmap "J0910-0526_X_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.73 x 5.516 at 46.95 degrees (North through East) ! Clean map min=-0.0045079 max=0.076621 Jy/beam ! Writing clean map to FITS file: J0910-0526_X_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0766208 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00105756 device "J0910-0526_X_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J0910-0526_X_2004_05_27_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -4.14076 4.14076 8.28152 16.563 33.1261 66.2521 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.076 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.73 x 5.516 at 46.95 degrees (North through East) ! Clean map min=-0.0045079 max=0.076621 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0910-0526_X_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J0910-0526_X_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0910-0526_X_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:08:48 2005