! Started logfile: J2109+8021_X_2006_02_23_yyk_uvs.log on Wed Jul 5 13:51:46 2006 obs J2109+8021_X_2006_02_23_yyk_uva.fits ! Reading UV FITS file: J2109+8021_X_2006_02_23_yyk_uva.fits ! AN table 1: 876 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.308803 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2109+8021 ! ! 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 2397 lines of history. ! ! Reading 48692 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 J2109+8021_X_2006_02_23_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 0.200x0.200 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)= 0.0693683 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=2.168 mas, bmaj=3.266 mas, bpa=-8.414 degrees ! Estimated noise=2.3036 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 = 0.0459995 Jy ! Component: 100 - total flux cleaned = 0.0480685 Jy ! Total flux subtracted in 100 components = 0.0480685 Jy ! Clean residual min=-0.003131 max=0.003159 Jy/beam ! Clean residual mean=0.000010 rms=0.001067 Jy/beam ! Combined flux in latest and established models = 0.0480685 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 0.0480685 Jy ! ! Correcting IF 1. ! A total of 96 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 160 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 160 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.046332Jy sigma=1.003639 ! Fit after self-cal, rms=0.046583Jy sigma=1.007190 ! Inverting map and beam ! Estimated beam: bmin=2.188 mas, bmaj=3.272 mas, bpa=5.996 degrees ! Estimated noise=2.37426 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=2.493 mas, bmaj=3.884 mas, bpa=-5.662 degrees ! Estimated noise=1.8401 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 = 0.000819773 Jy ! Component: 100 - total flux cleaned = 0.00231673 Jy ! Component: 150 - total flux cleaned = 0.00276105 Jy ! Component: 200 - total flux cleaned = 0.00217715 Jy ! Total flux subtracted in 200 components = 0.00217715 Jy ! Clean residual min=-0.000993 max=0.000994 Jy/beam ! Clean residual mean=0.000003 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.0502456 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 51 model components to the UV plane model. ! The established model now contains 67 components and 0.0502456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.045993Jy sigma=0.990985 ! Fit after self-cal, rms=0.045973Jy sigma=0.990673 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.493 x 3.884 at -5.662 degrees (North through East) ! Clean map min=-0.0025782 max=0.0489 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: 1.01003 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* HN 1.00* KP 1.00* ! LA 0.97 MK 1.00* NL 1.00* OV 0.92 ! PT 1.01 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.998384 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 HN 1.00* KP 1.00* ! LA 1.02 MK 1.00* NL 0.97 OV 1.05 ! PT 1.01 SC 1.00* ! ! ! Correcting IF 3. ! 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 4. ! 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* ! ! ! Fit before self-cal, rms=0.045973Jy sigma=0.990673 ! Fit after self-cal, rms=0.045320Jy sigma=0.988794 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=0.045320Jy sigma=0.988794 ! Fit after self-cal, rms=0.045302Jy sigma=0.988646 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.5 mas, bmaj=3.873 mas, bpa=-7.106 degrees ! Estimated noise=1.81949 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 = 9.17868e-05 Jy ! Component: 100 - total flux cleaned = 0.000393 Jy ! Component: 150 - total flux cleaned = 0.000957071 Jy ! Component: 200 - total flux cleaned = 0.00114214 Jy ! Total flux subtracted in 200 components = 0.00114214 Jy ! Clean residual min=-0.000573 max=0.000570 Jy/beam ! Clean residual mean=-0.000003 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.0513878 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 114 components and 0.0513878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.045223Jy sigma=0.986559 ! Fit after self-cal, rms=0.045216Jy sigma=0.986519 ! 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=0.045216Jy sigma=0.986519 ! Fit after self-cal, rms=0.040035Jy sigma=0.871311 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 = 0.00205319 Jy ! Component: 100 - total flux cleaned = 0.00191875 Jy ! Component: 150 - total flux cleaned = 0.00166906 Jy ! Component: 200 - total flux cleaned = 0.00166665 Jy ! Total flux subtracted in 200 components = 0.00166665 Jy ! Clean residual min=-0.000683 max=0.000673 Jy/beam ! Clean residual mean=-0.000005 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.0530544 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 59 model components to the UV plane model. ! The established model now contains 168 components and 0.0530544 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.039694Jy sigma=0.863842 ! Fit after self-cal, rms=0.039142Jy sigma=0.854995 ! 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: 2.5 x 3.873 at -7.106 degrees (North through East) ! Clean map min=-0.0026473 max=0.051362 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=2.821 mas, bmaj=4.138 mas, bpa=-2.185 degrees ! Estimated noise=1.86264 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 = -0.000817459 Jy ! Component: 100 - total flux cleaned = -0.00115756 Jy ! Component: 150 - total flux cleaned = -0.00142836 Jy ! Component: 200 - total flux cleaned = -0.0017481 Jy ! Total flux subtracted in 200 components = -0.0017481 Jy ! Clean residual min=-0.000587 max=0.000580 Jy/beam ! Clean residual mean=-0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0513063 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 52 model components to the UV plane model. ! The established model now contains 212 components and 0.0513063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.039061Jy sigma=0.853033 ! Fit after self-cal, rms=0.038936Jy sigma=0.851913 ! 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=2.197 mas, bmaj=3.269 mas, bpa=5.438 degrees ! Estimated noise=2.35734 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0453909 Jy ! Component: 100 - total flux cleaned = 0.0443957 Jy ! Component: 150 - total flux cleaned = 0.0458421 Jy ! Component: 200 - total flux cleaned = 0.047038 Jy ! Total flux subtracted in 200 components = 0.047038 Jy ! Clean residual min=-0.002314 max=0.002341 Jy/beam ! Clean residual mean=0.000002 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.047038 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 44 model components to the UV plane model. ! The established model now contains 44 components and 0.047038 Jy ! Inverting map and beam ! Estimated beam: bmin=2.5 mas, bmaj=3.873 mas, bpa=-7.106 degrees ! Estimated noise=1.81949 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 = 0.000918268 Jy ! Component: 100 - total flux cleaned = 0.00126333 Jy ! Component: 150 - total flux cleaned = 0.000721718 Jy ! Component: 200 - total flux cleaned = 0.000440554 Jy ! Total flux subtracted in 200 components = 0.000440554 Jy ! Clean residual min=-0.000832 max=0.000826 Jy/beam ! Clean residual mean=-0.000001 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.0474786 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 100 components and 0.0474786 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=2.821 mas, bmaj=4.138 mas, bpa=-2.185 degrees ! Estimated noise=1.86264 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 = 0.000240253 Jy ! Component: 100 - total flux cleaned = 0.000140673 Jy ! Component: 150 - total flux cleaned = -6.61162e-05 Jy ! Component: 200 - total flux cleaned = -0.000225558 Jy ! Total flux subtracted in 200 components = -0.000225558 Jy ! Clean residual min=-0.000674 max=0.000669 Jy/beam ! Clean residual mean=-0.000002 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.047253 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 124 components and 0.047253 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.5 mas, bmaj=3.873 mas, bpa=-7.106 degrees ! Estimated noise=1.81949 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000147097 Jy ! Component: 100 - total flux cleaned = -0.000389984 Jy ! Component: 150 - total flux cleaned = -0.000623482 Jy ! Component: 200 - total flux cleaned = -0.000769174 Jy ! Total flux subtracted in 200 components = -0.000769174 Jy ! Clean residual min=-0.000627 max=0.000619 Jy/beam ! Clean residual mean=-0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0464838 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 42 model components to the UV plane model. ! The established model now contains 160 components and 0.0464838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.038901Jy sigma=0.851666 ! Fit after self-cal, rms=0.038862Jy sigma=0.851245 wmodel J2109+8021_X_2006_02_23_yyk\_map.mod ! Writing 160 model components to file: J2109+8021_X_2006_02_23_yyk_map.mod wobs J2109+8021_X_2006_02_23_yyk\_uvs.fits ! Writing UV FITS file: J2109+8021_X_2006_02_23_yyk_uvs.fits wwins J2109+8021_X_2006_02_23_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2109+8021_X_2006_02_23_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.5 x 3.873 at -7.106 degrees (North through East) ! Clean map min=-0.0043472 max=0.048713 Jy/beam ! Writing clean map to FITS file: J2109+8021_X_2006_02_23_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0487132 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000210724 device "J2109+8021_X_2006_02_23_yyk\_map.eps/VPS" ! Attempting to open device: 'J2109+8021_X_2006_02_23_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.29774 1.29774 2.59549 5.19097 10.3819 20.7639 41.5278 83.0556 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.048 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.5 x 3.873 at -7.106 degrees (North through East) ! Clean map min=-0.0043472 max=0.048713 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2109+8021_X_2006_02_23_yyk\_map.gif/gif" ! Attempting to open device: 'J2109+8021_X_2006_02_23_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2109+8021_X_2006_02_23_yyk_uvs.log closed on Wed Jul 5 13:52:25 2006