! Started logfile: J0846-2610_X_1997_08_27_yyk_uvs.log on Mon Jan 8 04:14:19 2007 obs J0846-2610_X_1997_08_27_yyk_uva.fits ! Reading UV FITS file: J0846-2610_X_1997_08_27_yyk_uva.fits ! AN table 1: 106 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.578826 visibilities/baseline/integration-bin. ! Found source: J0846-2610 ! ! 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 8.15447e+09 8e+06 1 8e+06 ! 02 2 8.23447e+09 8e+06 1 8e+06 ! 03 3 8.41447e+09 8e+06 1 8e+06 ! 04 4 8.55447e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 702 lines of history. ! ! Reading 11044 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 J0846-2610_X_1997_08_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 = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.29114 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=0.6618 mas, bmaj=1.576 mas, bpa=-7.813 degrees ! Estimated noise=2104.78 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 = 0.024028 Jy ! Component: 100 - total flux cleaned = 0.0369299 Jy ! Total flux subtracted in 100 components = 0.0369299 Jy ! Clean residual min=-0.011282 max=0.011353 Jy/beam ! Clean residual mean=0.000028 rms=0.003784 Jy/beam ! Combined flux in latest and established models = 0.0369299 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 44 components and 0.0369299 Jy ! ! Correcting IF 1. ! A total of 242 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 348 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 378 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 242 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.287419Jy sigma=0.001649 ! Fit after self-cal, rms=0.287081Jy sigma=0.001647 ! Inverting map and beam ! Estimated beam: bmin=0.6618 mas, bmaj=1.576 mas, bpa=-7.813 degrees ! Estimated noise=2104.78 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=0.8492 mas, bmaj=2.027 mas, bpa=-10.95 degrees ! Estimated noise=1189.82 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 = 0.0345844 Jy ! Component: 100 - total flux cleaned = 0.0406649 Jy ! Component: 150 - total flux cleaned = 0.0408828 Jy ! Component: 200 - total flux cleaned = 0.0408745 Jy ! Total flux subtracted in 200 components = 0.0408745 Jy ! Clean residual min=-0.007504 max=0.007505 Jy/beam ! Clean residual mean=0.000064 rms=0.003287 Jy/beam ! Combined flux in latest and established models = 0.0778044 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 90 model components to the UV plane model. ! The established model now contains 132 components and 0.0778044 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282714Jy sigma=0.001618 ! Fit after self-cal, rms=0.282628Jy sigma=0.001617 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8492 x 2.027 at -10.95 degrees (North through East) ! Clean map min=-0.011695 max=0.023671 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=0.282628Jy sigma=0.001617 ! Fit after self-cal, rms=0.282628Jy sigma=0.001617 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=0.282628Jy sigma=0.001617 ! Fit after self-cal, rms=0.282628Jy sigma=0.001617 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8492 mas, bmaj=2.027 mas, bpa=-10.95 degrees ! Estimated noise=1189.82 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 = 0.00952454 Jy ! Component: 100 - total flux cleaned = 0.0129887 Jy ! Component: 150 - total flux cleaned = 0.016058 Jy ! Component: 200 - total flux cleaned = 0.0175709 Jy ! Total flux subtracted in 200 components = 0.0175709 Jy ! Clean residual min=-0.004597 max=0.004626 Jy/beam ! Clean residual mean=0.000039 rms=0.002021 Jy/beam ! Combined flux in latest and established models = 0.0953753 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 86 model components to the UV plane model. ! The established model now contains 200 components and 0.0953753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281591Jy sigma=0.001611 ! Fit after self-cal, rms=0.281571Jy sigma=0.001611 ! 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=0.281571Jy sigma=0.001611 ! Fit after self-cal, rms=0.280923Jy sigma=0.001606 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 = 0.00186671 Jy ! Component: 100 - total flux cleaned = 0.0035513 Jy ! Component: 150 - total flux cleaned = 0.0046414 Jy ! Component: 200 - total flux cleaned = 0.00752663 Jy ! Total flux subtracted in 200 components = 0.00752663 Jy ! Clean residual min=-0.003834 max=0.003839 Jy/beam ! Clean residual mean=0.000022 rms=0.001487 Jy/beam ! Combined flux in latest and established models = 0.102902 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 78 model components to the UV plane model. ! The established model now contains 264 components and 0.102902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280177Jy sigma=0.001602 ! Fit after self-cal, rms=0.280016Jy sigma=0.001601 ! 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: 0.8492 x 2.027 at -10.95 degrees (North through East) ! Clean map min=-0.0084284 max=0.02212 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=2.321 mas, bmaj=4.875 mas, bpa=-4.67 degrees ! Estimated noise=1570.46 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 = 0.00333268 Jy ! Component: 100 - total flux cleaned = 0.0043388 Jy ! Component: 150 - total flux cleaned = 0.00546776 Jy ! Component: 200 - total flux cleaned = 0.00690124 Jy ! Total flux subtracted in 200 components = 0.00690124 Jy ! Clean residual min=-0.002879 max=0.002876 Jy/beam ! Clean residual mean=0.000041 rms=0.001365 Jy/beam ! Combined flux in latest and established models = 0.109803 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 88 model components to the UV plane model. ! The established model now contains 344 components and 0.109803 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279726Jy sigma=0.001599 ! Fit after self-cal, rms=0.279668Jy sigma=0.001599 ! 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=0.6618 mas, bmaj=1.576 mas, bpa=-7.813 degrees ! Estimated noise=2104.78 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.027629 Jy ! Component: 100 - total flux cleaned = 0.0423976 Jy ! Component: 150 - total flux cleaned = 0.0485826 Jy ! Component: 200 - total flux cleaned = 0.0476987 Jy ! Total flux subtracted in 200 components = 0.0476987 Jy ! Clean residual min=-0.010538 max=0.010539 Jy/beam ! Clean residual mean=0.000001 rms=0.003391 Jy/beam ! Combined flux in latest and established models = 0.0476987 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 62 model components to the UV plane model. ! The established model now contains 62 components and 0.0476987 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8492 mas, bmaj=2.027 mas, bpa=-10.95 degrees ! Estimated noise=1189.82 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 = 0.0182295 Jy ! Component: 100 - total flux cleaned = 0.0202086 Jy ! Component: 150 - total flux cleaned = 0.018226 Jy ! Component: 200 - total flux cleaned = 0.0164769 Jy ! Total flux subtracted in 200 components = 0.0164769 Jy ! Clean residual min=-0.006594 max=0.006585 Jy/beam ! Clean residual mean=0.000066 rms=0.002650 Jy/beam ! Combined flux in latest and established models = 0.0641756 Jy ! Adding 82 model components to the UV plane model. ! The established model now contains 142 components and 0.0641755 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=2.321 mas, bmaj=4.875 mas, bpa=-4.67 degrees ! Estimated noise=1570.46 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 = 0.00709365 Jy ! Component: 100 - total flux cleaned = 0.00830622 Jy ! Component: 150 - total flux cleaned = 0.00880748 Jy ! Component: 200 - total flux cleaned = 0.00842481 Jy ! Total flux subtracted in 200 components = 0.00842481 Jy ! Clean residual min=-0.004695 max=0.004680 Jy/beam ! Clean residual mean=0.000085 rms=0.002227 Jy/beam ! Combined flux in latest and established models = 0.0726004 Jy ! Adding 111 model components to the UV plane model. ! The established model now contains 246 components and 0.0726004 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8492 mas, bmaj=2.027 mas, bpa=-10.95 degrees ! Estimated noise=1189.82 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00520736 Jy ! Component: 100 - total flux cleaned = 0.00642306 Jy ! Component: 150 - total flux cleaned = 0.00830741 Jy ! Component: 200 - total flux cleaned = 0.00928259 Jy ! Total flux subtracted in 200 components = 0.00928259 Jy ! Clean residual min=-0.002977 max=0.002986 Jy/beam ! Clean residual mean=0.000026 rms=0.001053 Jy/beam ! Combined flux in latest and established models = 0.0818829 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 60 model components to the UV plane model. ! The established model now contains 300 components and 0.0818829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279467Jy sigma=0.001598 ! Fit after self-cal, rms=0.279373Jy sigma=0.001597 wmodel J0846-2610_X_1997_08_27_yyk\_map.mod ! Writing 300 model components to file: J0846-2610_X_1997_08_27_yyk_map.mod wobs J0846-2610_X_1997_08_27_yyk\_uvs.fits ! Writing UV FITS file: J0846-2610_X_1997_08_27_yyk_uvs.fits wwins J0846-2610_X_1997_08_27_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0846-2610_X_1997_08_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8492 x 2.027 at -10.95 degrees (North through East) ! Clean map min=-0.0089791 max=0.023123 Jy/beam ! Writing clean map to FITS file: J0846-2610_X_1997_08_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0231231 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00110348 device "J0846-2610_X_1997_08_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J0846-2610_X_1997_08_27_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -14.3166 14.3166 28.6332 57.2664 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0033 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.023 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8492 x 2.027 at -10.95 degrees (North through East) ! Clean map min=-0.0089791 max=0.023123 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0846-2610_X_1997_08_27_yyk\_map.gif/gif" ! Attempting to open device: 'J0846-2610_X_1997_08_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0846-2610_X_1997_08_27_yyk_uvs.log closed on Mon Jan 8 04:14:26 2007