! Started logfile: J1753-1843_S_2007_01_11_yyk_uvs.log on Mon Jun 16 20:15:34 2008 obs J1753-1843_S_2007_01_11_yyk_uve.fits ! Reading UV FITS file: J1753-1843_S_2007_01_11_yyk_uve.fits ! AN table 1: 15 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.57963 visibilities/baseline/integration-bin. ! Found source: J1753-1843 ! ! 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 2250 lines of history. ! ! Reading 1252 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 J1753-1843_S_2007_01_11_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)= 0.116863 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=4.225 mas, bmaj=16.39 mas, bpa=18.89 degrees ! Estimated noise=2.85889 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 (-2, -3). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0711295 Jy ! Component: 100 - total flux cleaned = 0.0923336 Jy ! Total flux subtracted in 100 components = 0.0923336 Jy ! Clean residual min=-0.012146 max=0.009292 Jy/beam ! Clean residual mean=-0.000013 rms=0.003084 Jy/beam ! Combined flux in latest and established models = 0.0923336 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 25 components and 0.0923336 Jy ! ! Correcting IF 1. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 44 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.081156Jy sigma=1.243568 ! Fit after self-cal, rms=0.072014Jy sigma=1.040531 ! Inverting map and beam ! Estimated beam: bmin=4.225 mas, bmaj=16.39 mas, bpa=18.89 degrees ! Estimated noise=2.85889 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=7.46 mas, bmaj=25.86 mas, bpa=19.42 degrees ! Estimated noise=1.66421 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 = 0.015806 Jy ! Component: 100 - total flux cleaned = 0.0203661 Jy ! Component: 150 - total flux cleaned = 0.022448 Jy ! Component: 200 - total flux cleaned = 0.0228982 Jy ! Total flux subtracted in 200 components = 0.0228982 Jy ! Clean residual min=-0.004905 max=0.005403 Jy/beam ! Clean residual mean=0.000023 rms=0.001596 Jy/beam ! Combined flux in latest and established models = 0.115232 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 54 components and 0.115232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070211Jy sigma=0.998464 ! Fit after self-cal, rms=0.070218Jy sigma=0.998090 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.46 x 25.86 at 19.42 degrees (North through East) ! Clean map min=-0.0048717 max=0.091714 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* 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* OV 1.00* PT 1.00* ! SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.00437 ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 1.00* KP 0.88 ! LA 1.04 MK 1.00* OV 1.04 PT 1.04 ! 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* OV 1.00* PT 1.00* ! SC 1.00* ! ! ! Fit before self-cal, rms=0.070218Jy sigma=0.998090 ! Fit after self-cal, rms=0.070286Jy sigma=0.996131 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=0.070286Jy sigma=0.996131 ! Fit after self-cal, rms=0.070287Jy sigma=0.996130 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=7.448 mas, bmaj=25.65 mas, bpa=19.6 degrees ! Estimated noise=1.66886 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 = 0.00128369 Jy ! Component: 100 - total flux cleaned = 0.00137925 Jy ! Component: 150 - total flux cleaned = 0.00151416 Jy ! Component: 200 - total flux cleaned = 0.00159985 Jy ! Total flux subtracted in 200 components = 0.00159985 Jy ! Clean residual min=-0.005123 max=0.005076 Jy/beam ! Clean residual mean=0.000051 rms=0.001473 Jy/beam ! Combined flux in latest and established models = 0.116832 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 59 components and 0.116832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070201Jy sigma=0.995165 ! Fit after self-cal, rms=0.070206Jy sigma=0.995125 ! 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=0.070206Jy sigma=0.995125 ! Fit after self-cal, rms=0.064441Jy sigma=0.902437 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 = 0.00334059 Jy ! Component: 100 - total flux cleaned = 0.00356495 Jy ! Component: 150 - total flux cleaned = 0.0036934 Jy ! Component: 200 - total flux cleaned = 0.00375582 Jy ! Total flux subtracted in 200 components = 0.00375582 Jy ! Clean residual min=-0.004241 max=0.004116 Jy/beam ! Clean residual mean=0.000034 rms=0.001365 Jy/beam ! Combined flux in latest and established models = 0.120587 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 69 components and 0.120587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064098Jy sigma=0.898886 ! Fit after self-cal, rms=0.063782Jy sigma=0.894854 ! 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: 7.448 x 25.65 at 19.6 degrees (North through East) ! Clean map min=-0.004054 max=0.095671 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=10.54 mas, bmaj=31.52 mas, bpa=22.02 degrees ! Estimated noise=1.72527 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 = 0.000692082 Jy ! Component: 100 - total flux cleaned = 0.000772753 Jy ! Component: 150 - total flux cleaned = 0.000821381 Jy ! Component: 200 - total flux cleaned = 0.000866972 Jy ! Total flux subtracted in 200 components = 0.000866972 Jy ! Clean residual min=-0.004140 max=0.003690 Jy/beam ! Clean residual mean=0.000023 rms=0.001383 Jy/beam ! Combined flux in latest and established models = 0.121454 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 76 components and 0.121454 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063795Jy sigma=0.894745 ! Fit after self-cal, rms=0.063774Jy sigma=0.894440 ! 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=4.226 mas, bmaj=16.38 mas, bpa=18.93 degrees ! Estimated noise=2.85474 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0804604 Jy ! Component: 100 - total flux cleaned = 0.101432 Jy ! Component: 150 - total flux cleaned = 0.110255 Jy ! Component: 200 - total flux cleaned = 0.114568 Jy ! Total flux subtracted in 200 components = 0.114568 Jy ! Clean residual min=-0.007257 max=0.007941 Jy/beam ! Clean residual mean=0.000012 rms=0.002271 Jy/beam ! Combined flux in latest and established models = 0.114568 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 34 model components to the UV plane model. ! The established model now contains 34 components and 0.114568 Jy ! Inverting map and beam ! Estimated beam: bmin=7.448 mas, bmaj=25.65 mas, bpa=19.6 degrees ! Estimated noise=1.66886 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 = 0.00331661 Jy ! Component: 100 - total flux cleaned = 0.00485978 Jy ! Component: 150 - total flux cleaned = 0.00506957 Jy ! Component: 200 - total flux cleaned = 0.00529647 Jy ! Total flux subtracted in 200 components = 0.00529647 Jy ! Clean residual min=-0.004160 max=0.003980 Jy/beam ! Clean residual mean=0.000034 rms=0.001312 Jy/beam ! Combined flux in latest and established models = 0.119864 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 43 components and 0.119864 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=10.54 mas, bmaj=31.52 mas, bpa=22.02 degrees ! Estimated noise=1.72527 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 = 0.000648753 Jy ! Component: 100 - total flux cleaned = 0.000702341 Jy ! Component: 150 - total flux cleaned = 0.000724357 Jy ! Component: 200 - total flux cleaned = 0.000767399 Jy ! Total flux subtracted in 200 components = 0.000767399 Jy ! Clean residual min=-0.004436 max=0.003735 Jy/beam ! Clean residual mean=0.000033 rms=0.001362 Jy/beam ! Combined flux in latest and established models = 0.120632 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 52 components and 0.120632 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=7.448 mas, bmaj=25.65 mas, bpa=19.6 degrees ! Estimated noise=1.66886 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000270243 Jy ! Component: 100 - total flux cleaned = -0.000265833 Jy ! Component: 150 - total flux cleaned = -0.000316977 Jy ! Component: 200 - total flux cleaned = -0.000316286 Jy ! Total flux subtracted in 200 components = -0.000316286 Jy ! Clean residual min=-0.004161 max=0.003852 Jy/beam ! Clean residual mean=0.000027 rms=0.001287 Jy/beam ! Combined flux in latest and established models = 0.120315 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 0.120315 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062907Jy sigma=0.889611 ! Fit after self-cal, rms=0.062559Jy sigma=0.887710 wmodel J1753-1843_S_2007_01_11_yyk\_map.mod ! Writing 56 model components to file: J1753-1843_S_2007_01_11_yyk_map.mod wobs J1753-1843_S_2007_01_11_yyk\_uvs.fits ! Writing UV FITS file: J1753-1843_S_2007_01_11_yyk_uvs.fits wwins J1753-1843_S_2007_01_11_yyk\_map.win ! wwins: Wrote 1 windows to J1753-1843_S_2007_01_11_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 = -0.000183992 Jy ! Component: 100 - total flux cleaned = -3.90994e-07 Jy ! Component: 150 - total flux cleaned = 0.000108616 Jy ! Component: 200 - total flux cleaned = 6.0057e-05 Jy ! Component: 250 - total flux cleaned = 1.63376e-05 Jy ! Component: 300 - total flux cleaned = -0.000160266 Jy ! Component: 350 - total flux cleaned = -0.000329872 Jy ! Component: 400 - total flux cleaned = -0.000531713 Jy ! Component: 450 - total flux cleaned = -0.000647886 Jy ! Component: 500 - total flux cleaned = -0.000722501 Jy ! Component: 550 - total flux cleaned = -0.000902454 Jy ! Component: 600 - total flux cleaned = -0.00110998 Jy ! Component: 650 - total flux cleaned = -0.00124359 Jy ! Component: 700 - total flux cleaned = -0.00134117 Jy ! Component: 750 - total flux cleaned = -0.00124679 Jy ! Component: 800 - total flux cleaned = -0.00109449 Jy ! Component: 850 - total flux cleaned = -0.000945592 Jy ! Component: 900 - total flux cleaned = -0.000800795 Jy ! Component: 950 - total flux cleaned = -0.0006306 Jy ! Component: 1000 - total flux cleaned = -0.000547143 Jy ! Total flux subtracted in 1024 components = -0.000492129 Jy ! Clean residual min=-0.001999 max=0.001561 Jy/beam ! Clean residual mean=-0.000046 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.119823 Jy keep ! Adding 56 model components to the UV plane model. ! The established model now contains 112 components and 0.119823 Jy ![Exited script file: muppet] wmap "J1753-1843_S_2007_01_11_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.448 x 25.65 at 19.6 degrees (North through East) ! Clean map min=-0.0041969 max=0.097207 Jy/beam ! Writing clean map to FITS file: J1753-1843_S_2007_01_11_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0972069 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000628467 device "J1753-1843_S_2007_01_11_yyk\_map.eps/VPS" ! Attempting to open device: 'J1753-1843_S_2007_01_11_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.93958 1.93958 3.87915 7.7583 15.5166 31.0332 62.0664 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.097 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.448 x 25.65 at 19.6 degrees (North through East) ! Clean map min=-0.0041969 max=0.097207 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1753-1843_S_2007_01_11_yyk\_map.gif/gif" ! Attempting to open device: 'J1753-1843_S_2007_01_11_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1753-1843_S_2007_01_11_yyk_uvs.log closed on Mon Jun 16 20:15:34 2008