! Started logfile: J2156-2012_S_2005_07_08_yyk_uvs.log on Fri Jan 20 11:27:13 2006 obs J2156-2012_S_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J2156-2012_S_2005_07_08_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.635556 visibilities/baseline/integration-bin. ! Found source: J2156-2012 ! ! 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 1412 lines of history. ! ! Reading 1144 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 J2156-2012_S_2005_07_08_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)= 0.136625 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=7.953 mas, bmaj=17.61 mas, bpa=12.54 degrees ! Estimated noise=3.0676 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 (-1, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0635337 Jy ! Component: 100 - total flux cleaned = 0.0825385 Jy ! Total flux subtracted in 100 components = 0.0825385 Jy ! Clean residual min=-0.014450 max=0.012444 Jy/beam ! Clean residual mean=-0.000023 rms=0.004255 Jy/beam ! Combined flux in latest and established models = 0.0825385 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 33 components and 0.0825385 Jy ! ! Correcting IF 1. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 55 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.111282Jy sigma=1.275350 ! Fit after self-cal, rms=0.107141Jy sigma=1.225909 ! Inverting map and beam ! Estimated beam: bmin=8.091 mas, bmaj=18.73 mas, bpa=10.76 degrees ! Estimated noise=2.91266 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=10.08 mas, bmaj=22.33 mas, bpa=8.643 degrees ! Estimated noise=2.06152 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 = 0.0201318 Jy ! Component: 100 - total flux cleaned = 0.028069 Jy ! Component: 150 - total flux cleaned = 0.0316709 Jy ! Component: 200 - total flux cleaned = 0.0322016 Jy ! Total flux subtracted in 200 components = 0.0322016 Jy ! Clean residual min=-0.008039 max=0.008308 Jy/beam ! Clean residual mean=-0.000530 rms=0.002604 Jy/beam ! Combined flux in latest and established models = 0.11474 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 66 components and 0.11474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105490Jy sigma=1.179159 ! Fit after self-cal, rms=0.105377Jy sigma=1.178776 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.08 x 22.33 at 8.643 degrees (North through East) ! Clean map min=-0.0080574 max=0.087573 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 ! 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: 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=0.105377Jy sigma=1.178776 ! Fit after self-cal, rms=0.105377Jy sigma=1.178776 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=0.105377Jy sigma=1.178776 ! Fit after self-cal, rms=0.105374Jy sigma=1.178776 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=10.08 mas, bmaj=22.33 mas, bpa=8.643 degrees ! Estimated noise=2.06152 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 = 0.000449645 Jy ! Component: 100 - total flux cleaned = 0.000133235 Jy ! Component: 150 - total flux cleaned = -8.91604e-05 Jy ! Component: 200 - total flux cleaned = -0.000237424 Jy ! Total flux subtracted in 200 components = -0.000237424 Jy ! Clean residual min=-0.008116 max=0.008148 Jy/beam ! Clean residual mean=-0.000524 rms=0.002578 Jy/beam ! Combined flux in latest and established models = 0.114503 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 73 components and 0.114503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105286Jy sigma=1.177843 ! Fit after self-cal, rms=0.105265Jy sigma=1.177761 ! 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=0.105265Jy sigma=1.177761 ! Fit after self-cal, rms=0.098324Jy sigma=1.087162 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 = 0.00518166 Jy ! Component: 100 - total flux cleaned = 0.00529302 Jy ! Component: 150 - total flux cleaned = 0.00509508 Jy ! Component: 200 - total flux cleaned = 0.00498213 Jy ! Total flux subtracted in 200 components = 0.00498213 Jy ! Clean residual min=-0.007373 max=0.007953 Jy/beam ! Clean residual mean=-0.000578 rms=0.002683 Jy/beam ! Combined flux in latest and established models = 0.119485 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 84 components and 0.119485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098138Jy sigma=1.083269 ! Fit after self-cal, rms=0.096441Jy sigma=1.072580 ! 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: 10.08 x 22.33 at 8.643 degrees (North through East) ! Clean map min=-0.0071806 max=0.093911 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=11.37 mas, bmaj=23.88 mas, bpa=10.16 degrees ! Estimated noise=2.09295 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 = 0.000185463 Jy ! Component: 100 - total flux cleaned = 0.000143034 Jy ! Component: 150 - total flux cleaned = 1.22184e-05 Jy ! Component: 200 - total flux cleaned = -0.00014658 Jy ! Total flux subtracted in 200 components = -0.00014658 Jy ! Clean residual min=-0.007595 max=0.007612 Jy/beam ! Clean residual mean=-0.000645 rms=0.002816 Jy/beam ! Combined flux in latest and established models = 0.119338 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 89 components and 0.119338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096383Jy sigma=1.072084 ! Fit after self-cal, rms=0.095932Jy sigma=1.070250 ! 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=8.091 mas, bmaj=18.73 mas, bpa=10.76 degrees ! Estimated noise=2.91266 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0752886 Jy ! Component: 100 - total flux cleaned = 0.0953223 Jy ! Component: 150 - total flux cleaned = 0.106341 Jy ! Component: 200 - total flux cleaned = 0.113369 Jy ! Total flux subtracted in 200 components = 0.113369 Jy ! Clean residual min=-0.008130 max=0.008507 Jy/beam ! Clean residual mean=-0.000213 rms=0.002771 Jy/beam ! Combined flux in latest and established models = 0.113369 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 33 model components to the UV plane model. ! The established model now contains 33 components and 0.113369 Jy ! Inverting map and beam ! Estimated beam: bmin=10.08 mas, bmaj=22.33 mas, bpa=8.643 degrees ! Estimated noise=2.06152 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 = 0.00581145 Jy ! Component: 100 - total flux cleaned = 0.00718956 Jy ! Component: 150 - total flux cleaned = 0.00756985 Jy ! Component: 200 - total flux cleaned = 0.00762925 Jy ! Total flux subtracted in 200 components = 0.00762925 Jy ! Clean residual min=-0.007061 max=0.008212 Jy/beam ! Clean residual mean=-0.000557 rms=0.002612 Jy/beam ! Combined flux in latest and established models = 0.120998 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 53 components and 0.120998 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=11.37 mas, bmaj=23.88 mas, bpa=10.16 degrees ! Estimated noise=2.09295 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 = -0.00089326 Jy ! Component: 100 - total flux cleaned = -0.00109736 Jy ! Component: 150 - total flux cleaned = -0.00123332 Jy ! Component: 200 - total flux cleaned = -0.00135428 Jy ! Total flux subtracted in 200 components = -0.00135428 Jy ! Clean residual min=-0.007474 max=0.007734 Jy/beam ! Clean residual mean=-0.000641 rms=0.002788 Jy/beam ! Combined flux in latest and established models = 0.119644 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 61 components and 0.119644 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=10.08 mas, bmaj=22.33 mas, bpa=8.643 degrees ! Estimated noise=2.06152 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000615587 Jy ! Component: 100 - total flux cleaned = 0.000651961 Jy ! Component: 150 - total flux cleaned = 0.000683293 Jy ! Component: 200 - total flux cleaned = 0.000683645 Jy ! Total flux subtracted in 200 components = 0.000683645 Jy ! Clean residual min=-0.007083 max=0.007848 Jy/beam ! Clean residual mean=-0.000550 rms=0.002577 Jy/beam ! Combined flux in latest and established models = 0.120328 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 69 components and 0.120328 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095846Jy sigma=1.068497 ! Fit after self-cal, rms=0.095667Jy sigma=1.067788 wmodel J2156-2012_S_2005_07_08_yyk\_map.mod ! Writing 69 model components to file: J2156-2012_S_2005_07_08_yyk_map.mod wobs J2156-2012_S_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J2156-2012_S_2005_07_08_yyk_uvs.fits wwins J2156-2012_S_2005_07_08_yyk\_map.win ! wwins: Wrote 1 windows to J2156-2012_S_2005_07_08_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 = 0.00086729 Jy ! Component: 100 - total flux cleaned = 0.00170943 Jy ! Component: 150 - total flux cleaned = 0.00204594 Jy ! Component: 200 - total flux cleaned = 0.00184135 Jy ! Component: 250 - total flux cleaned = 0.00184112 Jy ! Component: 300 - total flux cleaned = 0.00175275 Jy ! Component: 350 - total flux cleaned = 0.00200808 Jy ! Component: 400 - total flux cleaned = 0.00200686 Jy ! Component: 450 - total flux cleaned = 0.00200455 Jy ! Component: 500 - total flux cleaned = 0.00200081 Jy ! Component: 550 - total flux cleaned = 0.00192921 Jy ! Component: 600 - total flux cleaned = 0.00179849 Jy ! Component: 650 - total flux cleaned = 0.00148695 Jy ! Component: 700 - total flux cleaned = 0.00106982 Jy ! Component: 750 - total flux cleaned = 0.000723808 Jy ! Component: 800 - total flux cleaned = 0.000390669 Jy ! Component: 850 - total flux cleaned = 6.91436e-05 Jy ! Component: 900 - total flux cleaned = -0.000188947 Jy ! Component: 950 - total flux cleaned = -0.000389616 Jy ! Component: 1000 - total flux cleaned = -0.000681791 Jy ! Total flux subtracted in 1024 components = -0.000729118 Jy ! Clean residual min=-0.002690 max=0.003049 Jy/beam ! Clean residual mean=-0.000256 rms=0.001083 Jy/beam ! Combined flux in latest and established models = 0.119599 Jy keep ! Adding 59 model components to the UV plane model. ! The established model now contains 128 components and 0.119599 Jy ![Exited script file: muppet] wmap "J2156-2012_S_2005_07_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.08 x 22.33 at 8.643 degrees (North through East) ! Clean map min=-0.0060877 max=0.093534 Jy/beam ! Writing clean map to FITS file: J2156-2012_S_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.093534 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00106587 device "J2156-2012_S_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J2156-2012_S_2005_07_08_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.41866 3.41866 6.83732 13.6746 27.3493 54.6986 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.093 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.08 x 22.33 at 8.643 degrees (North through East) ! Clean map min=-0.0060877 max=0.093534 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2156-2012_S_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J2156-2012_S_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2156-2012_S_2005_07_08_yyk_uvs.log closed on Fri Jan 20 11:27:13 2006