! Started logfile: J1846-0003_S_2002_05_14_yyk_uvs.log on Tue Jun 26 23:05:34 2007 obs J1846-0003_S_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J1846-0003_S_2002_05_14_yyk_uva.fits ! AN table 1: 53 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.120755 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1846-0003 ! ! 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 2.22947e+09 8e+06 1 8e+06 ! 02 2 2.25947e+09 8e+06 1 8e+06 ! 03 3 2.34947e+09 8e+06 1 8e+06 ! 04 4 2.36947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1154 lines of history. ! ! Reading 1152 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 J1846-0003_S_2002_05_14_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 0.500x0.500 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.247264 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=2.651 mas, bmaj=51.04 mas, bpa=-18.91 degrees ! Estimated noise=4280.34 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 = 0.0491899 Jy ! Component: 100 - total flux cleaned = 0.0596157 Jy ! Total flux subtracted in 100 components = 0.0596157 Jy ! Clean residual min=-0.014582 max=0.014569 Jy/beam ! Clean residual mean=0.000447 rms=0.006129 Jy/beam ! Combined flux in latest and established models = 0.0596157 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0596157 Jy ! ! Correcting IF 1. ! A total of 343 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 446 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 340 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 328 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.232730Jy sigma=0.001793 ! Fit after self-cal, rms=0.229880Jy sigma=0.001759 ! Inverting map and beam ! Estimated beam: bmin=2.651 mas, bmaj=51.04 mas, bpa=-18.91 degrees ! Estimated noise=4281.16 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=3.424 mas, bmaj=59.32 mas, bpa=-18.92 degrees ! Estimated noise=2887.71 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 = -0.00705123 Jy ! Component: 100 - total flux cleaned = -0.0425193 Jy ! Component: 150 - total flux cleaned = -0.0750027 Jy ! Component: 200 - total flux cleaned = -0.103435 Jy ! Total flux subtracted in 200 components = -0.103435 Jy ! Clean residual min=-0.013461 max=0.012026 Jy/beam ! Clean residual mean=-0.001346 rms=0.004484 Jy/beam ! Combined flux in latest and established models = -0.0438195 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 70 model components to the UV plane model. ! The established model now contains 99 components and -0.0438195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219043Jy sigma=0.001651 ! Fit after self-cal, rms=0.218837Jy sigma=0.001650 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.424 x 59.32 at -18.92 degrees (North through East) ! Clean map min=-0.022911 max=0.02827 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. ! A total of 75 telescope corrections were flagged in sub-array 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 2. ! A total of 84 telescope corrections were flagged in sub-array 1. ! 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* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* MK 0.00* ! ! ! Correcting IF 3. ! A total of 66 telescope corrections were flagged in sub-array 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Fit before self-cal, rms=0.218837Jy sigma=0.001650 ! Fit after self-cal, rms=0.231557Jy sigma=0.001692 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=0.231557Jy sigma=0.001692 ! Fit after self-cal, rms=0.231206Jy sigma=0.001689 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.127 mas, bmaj=59.32 mas, bpa=-18.46 degrees ! Estimated noise=3477.7 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 = -0.00406397 Jy ! Component: 100 - total flux cleaned = -0.00242067 Jy ! Component: 150 - total flux cleaned = -0.00316648 Jy ! Component: 200 - total flux cleaned = -0.00337087 Jy ! Total flux subtracted in 200 components = -0.00337087 Jy ! Clean residual min=-0.002419 max=0.002406 Jy/beam ! Clean residual mean=-0.000051 rms=0.001064 Jy/beam ! Combined flux in latest and established models = -0.0471904 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 143 components and -0.0471904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230462Jy sigma=0.001682 ! Fit after self-cal, rms=0.230353Jy sigma=0.001682 ! 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=0.230353Jy sigma=0.001682 ! Fit after self-cal, rms=0.228157Jy sigma=0.001661 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 = 0.00760032 Jy ! Component: 100 - total flux cleaned = 0.0068011 Jy ! Component: 150 - total flux cleaned = 0.00536028 Jy ! Component: 200 - total flux cleaned = 0.00312173 Jy ! Total flux subtracted in 200 components = 0.00312173 Jy ! Clean residual min=-0.002933 max=0.002991 Jy/beam ! Clean residual mean=-0.000110 rms=0.001250 Jy/beam ! Combined flux in latest and established models = -0.0440686 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 65 model components to the UV plane model. ! The established model now contains 207 components and -0.0440686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227148Jy sigma=0.001653 ! Fit after self-cal, rms=0.226324Jy sigma=0.001645 ! 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: 3.127 x 59.32 at -18.46 degrees (North through East) ! Clean map min=-0.024631 max=0.02602 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=11.31 mas, bmaj=85.72 mas, bpa=-23.62 degrees ! Estimated noise=4531.14 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 = -0.00765881 Jy ! Component: 100 - total flux cleaned = -0.010323 Jy ! Component: 150 - total flux cleaned = -0.0123142 Jy ! Component: 200 - total flux cleaned = -0.0138907 Jy ! Total flux subtracted in 200 components = -0.0138907 Jy ! Clean residual min=-0.002157 max=0.002136 Jy/beam ! Clean residual mean=-0.000155 rms=0.000831 Jy/beam ! Combined flux in latest and established models = -0.0579593 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 241 components and -0.0579593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225760Jy sigma=0.001641 ! Fit after self-cal, rms=0.225584Jy sigma=0.001640 ! 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=2.65 mas, bmaj=51.02 mas, bpa=-18.89 degrees ! Estimated noise=4830.12 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0609868 Jy ! Component: 100 - total flux cleaned = 0.0770044 Jy ! Component: 150 - total flux cleaned = 0.0866162 Jy ! Component: 200 - total flux cleaned = 0.0922326 Jy ! Total flux subtracted in 200 components = 0.0922326 Jy ! Clean residual min=-0.017156 max=0.017352 Jy/beam ! Clean residual mean=0.000316 rms=0.007341 Jy/beam ! Combined flux in latest and established models = 0.0922326 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 40 model components to the UV plane model. ! The established model now contains 40 components and 0.0922326 Jy ! Inverting map and beam ! Estimated beam: bmin=3.127 mas, bmaj=59.32 mas, bpa=-18.46 degrees ! Estimated noise=3477.7 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 = 0.0190588 Jy ! Component: 100 - total flux cleaned = 0.0276149 Jy ! Component: 150 - total flux cleaned = 0.0300539 Jy ! Component: 200 - total flux cleaned = 0.0279691 Jy ! Total flux subtracted in 200 components = 0.0279691 Jy ! Clean residual min=-0.008193 max=0.008160 Jy/beam ! Clean residual mean=-0.000280 rms=0.003065 Jy/beam ! Combined flux in latest and established models = 0.120202 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 107 components and 0.120202 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=11.31 mas, bmaj=85.72 mas, bpa=-23.62 degrees ! Estimated noise=4531.14 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 = 0.0107485 Jy ! Component: 100 - total flux cleaned = 0.0123678 Jy ! Component: 150 - total flux cleaned = 0.0132059 Jy ! Component: 200 - total flux cleaned = 0.0161301 Jy ! Total flux subtracted in 200 components = 0.0161301 Jy ! Clean residual min=-0.006710 max=0.006747 Jy/beam ! Clean residual mean=0.000187 rms=0.002968 Jy/beam ! Combined flux in latest and established models = 0.136332 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 128 components and 0.136332 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.127 mas, bmaj=59.32 mas, bpa=-18.46 degrees ! Estimated noise=3477.7 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00346743 Jy ! Component: 100 - total flux cleaned = -0.00439972 Jy ! Component: 150 - total flux cleaned = -0.00471529 Jy ! Component: 200 - total flux cleaned = -0.00473057 Jy ! Total flux subtracted in 200 components = -0.00473057 Jy ! Clean residual min=-0.003727 max=0.003781 Jy/beam ! Clean residual mean=0.000018 rms=0.001413 Jy/beam ! Combined flux in latest and established models = 0.131601 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 162 components and 0.131601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224909Jy sigma=0.001638 ! Fit after self-cal, rms=0.224789Jy sigma=0.001636 wmodel J1846-0003_S_2002_05_14_yyk\_map.mod ! Writing 162 model components to file: J1846-0003_S_2002_05_14_yyk_map.mod wobs J1846-0003_S_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J1846-0003_S_2002_05_14_yyk_uvs.fits wwins J1846-0003_S_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1846-0003_S_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.127 x 59.32 at -18.46 degrees (North through East) ! Clean map min=-0.020457 max=0.054944 Jy/beam ! Writing clean map to FITS file: J1846-0003_S_2002_05_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0549439 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00191397 device "J1846-0003_S_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J1846-0003_S_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -10.4505 10.4505 20.901 41.802 83.604 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0057 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.054 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.127 x 59.32 at -18.46 degrees (North through East) ! Clean map min=-0.020457 max=0.054944 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1846-0003_S_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J1846-0003_S_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1846-0003_S_2002_05_14_yyk_uvs.log closed on Tue Jun 26 23:05:40 2007