! Started logfile: J1311-2216_S_2002_01_31_yyk_uvs.log on Tue Jun 26 22:48:53 2007 obs J1311-2216_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J1311-2216_S_2002_01_31_yyk_uva.fits ! AN table 1: 73 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.609741 visibilities/baseline/integration-bin. ! Found source: J1311-2216 ! ! 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 1225 lines of history. ! ! Reading 8012 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 J1311-2216_S_2002_01_31_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)= 0.26265 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=2.634 mas, bmaj=6.328 mas, bpa=1.341 degrees ! Estimated noise=1620.09 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 = 0.0578127 Jy ! Component: 100 - total flux cleaned = 0.0972628 Jy ! Total flux subtracted in 100 components = 0.0972628 Jy ! Clean residual min=-0.019213 max=0.019394 Jy/beam ! Clean residual mean=0.001399 rms=0.007827 Jy/beam ! Combined flux in latest and established models = 0.0972628 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 0.0972628 Jy ! ! Correcting IF 1. ! A total of 182 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 290 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 198 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 182 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.249486Jy sigma=0.001858 ! Fit after self-cal, rms=0.247995Jy sigma=0.001845 ! Inverting map and beam ! Estimated beam: bmin=2.634 mas, bmaj=6.328 mas, bpa=1.341 degrees ! Estimated noise=1620.6 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=3.309 mas, bmaj=8.123 mas, bpa=-3.685 degrees ! Estimated noise=1075.14 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 = 0.0586036 Jy ! Component: 100 - total flux cleaned = 0.103736 Jy ! Component: 150 - total flux cleaned = 0.141605 Jy ! Component: 200 - total flux cleaned = 0.174106 Jy ! Total flux subtracted in 200 components = 0.174106 Jy ! Clean residual min=-0.013699 max=0.015169 Jy/beam ! Clean residual mean=0.004407 rms=0.008225 Jy/beam ! Combined flux in latest and established models = 0.271369 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 160 model components to the UV plane model. ! The established model now contains 201 components and 0.271369 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233771Jy sigma=0.001710 ! Fit after self-cal, rms=0.233657Jy sigma=0.001708 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.309 x 8.123 at -3.685 degrees (North through East) ! Clean map min=-0.012342 max=0.040829 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=0.233657Jy sigma=0.001708 ! Fit after self-cal, rms=0.233657Jy sigma=0.001708 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=0.233657Jy sigma=0.001708 ! Fit after self-cal, rms=0.233641Jy sigma=0.001707 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.309 mas, bmaj=8.123 mas, bpa=-3.685 degrees ! Estimated noise=1075.14 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 = 0.0317847 Jy ! Component: 100 - total flux cleaned = 0.0585633 Jy ! Component: 150 - total flux cleaned = 0.0804892 Jy ! Component: 200 - total flux cleaned = 0.0994837 Jy ! Total flux subtracted in 200 components = 0.0994837 Jy ! Clean residual min=-0.010150 max=0.010326 Jy/beam ! Clean residual mean=0.003434 rms=0.005709 Jy/beam ! Combined flux in latest and established models = 0.370853 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 156 model components to the UV plane model. ! The established model now contains 349 components and 0.370853 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228434Jy sigma=0.001659 ! Fit after self-cal, rms=0.228393Jy sigma=0.001657 ! 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=0.228393Jy sigma=0.001657 ! Fit after self-cal, rms=0.226843Jy sigma=0.001645 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 = 0.0234657 Jy ! Component: 100 - total flux cleaned = 0.039792 Jy ! Component: 150 - total flux cleaned = 0.0545261 Jy ! Component: 200 - total flux cleaned = 0.0686141 Jy ! Total flux subtracted in 200 components = 0.0686141 Jy ! Clean residual min=-0.007604 max=0.007672 Jy/beam ! Clean residual mean=0.002673 rms=0.004260 Jy/beam ! Combined flux in latest and established models = 0.439467 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 129 model components to the UV plane model. ! The established model now contains 467 components and 0.439467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223876Jy sigma=0.001618 ! Fit after self-cal, rms=0.223555Jy sigma=0.001615 ! 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: 3.309 x 8.123 at -3.685 degrees (North through East) ! Clean map min=-0.011165 max=0.034322 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=8.846 mas, bmaj=19.07 mas, bpa=7.226 degrees ! Estimated noise=1354.82 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 = 0.0241494 Jy ! Component: 100 - total flux cleaned = 0.0442045 Jy ! Component: 150 - total flux cleaned = 0.0626205 Jy ! Component: 200 - total flux cleaned = 0.0775693 Jy ! Total flux subtracted in 200 components = 0.0775693 Jy ! Clean residual min=-0.008284 max=0.008490 Jy/beam ! Clean residual mean=0.003588 rms=0.004920 Jy/beam ! Combined flux in latest and established models = 0.517036 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 160 model components to the UV plane model. ! The established model now contains 621 components and 0.517036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221513Jy sigma=0.001595 ! Fit after self-cal, rms=0.221251Jy sigma=0.001593 ! 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=2.634 mas, bmaj=6.328 mas, bpa=1.341 degrees ! Estimated noise=1620.6 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0669404 Jy ! Component: 100 - total flux cleaned = 0.112394 Jy ! Component: 150 - total flux cleaned = 0.150617 Jy ! Component: 200 - total flux cleaned = 0.175107 Jy ! Total flux subtracted in 200 components = 0.175107 Jy ! Clean residual min=-0.016730 max=0.016981 Jy/beam ! Clean residual mean=0.001206 rms=0.007058 Jy/beam ! Combined flux in latest and established models = 0.175107 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 67 model components to the UV plane model. ! The established model now contains 67 components and 0.175107 Jy ! Inverting map and beam ! Estimated beam: bmin=3.309 mas, bmaj=8.123 mas, bpa=-3.685 degrees ! Estimated noise=1075.14 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 = 0.0488299 Jy ! Component: 100 - total flux cleaned = 0.0873934 Jy ! Component: 150 - total flux cleaned = 0.118894 Jy ! Component: 200 - total flux cleaned = 0.143001 Jy ! Total flux subtracted in 200 components = 0.143001 Jy ! Clean residual min=-0.013511 max=0.013545 Jy/beam ! Clean residual mean=0.003755 rms=0.007205 Jy/beam ! Combined flux in latest and established models = 0.318107 Jy ! Adding 151 model components to the UV plane model. ! The established model now contains 214 components and 0.318107 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=8.846 mas, bmaj=19.07 mas, bpa=7.226 degrees ! Estimated noise=1354.82 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 = 0.0426521 Jy ! Component: 100 - total flux cleaned = 0.0733546 Jy ! Component: 150 - total flux cleaned = 0.100986 Jy ! Component: 200 - total flux cleaned = 0.12505 Jy ! Total flux subtracted in 200 components = 0.12505 Jy ! Clean residual min=-0.012609 max=0.012750 Jy/beam ! Clean residual mean=0.004738 rms=0.007272 Jy/beam ! Combined flux in latest and established models = 0.443157 Jy ! Adding 176 model components to the UV plane model. ! The established model now contains 388 components and 0.443157 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.309 mas, bmaj=8.123 mas, bpa=-3.685 degrees ! Estimated noise=1075.14 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0148577 Jy ! Component: 100 - total flux cleaned = 0.0257302 Jy ! Component: 150 - total flux cleaned = 0.036549 Jy ! Component: 200 - total flux cleaned = 0.0456095 Jy ! Total flux subtracted in 200 components = 0.0456095 Jy ! Clean residual min=-0.005357 max=0.005449 Jy/beam ! Clean residual mean=0.002009 rms=0.002943 Jy/beam ! Combined flux in latest and established models = 0.488767 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 115 model components to the UV plane model. ! The established model now contains 502 components and 0.488766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221142Jy sigma=0.001594 ! Fit after self-cal, rms=0.221026Jy sigma=0.001593 wmodel J1311-2216_S_2002_01_31_yyk\_map.mod ! Writing 502 model components to file: J1311-2216_S_2002_01_31_yyk_map.mod wobs J1311-2216_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J1311-2216_S_2002_01_31_yyk_uvs.fits wwins J1311-2216_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J1311-2216_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.309 x 8.123 at -3.685 degrees (North through East) ! Clean map min=-0.012238 max=0.029416 Jy/beam ! Writing clean map to FITS file: J1311-2216_S_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0294159 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00299507 device "J1311-2216_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J1311-2216_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -30.5454 30.5454 61.0908 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0089 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.029 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.309 x 8.123 at -3.685 degrees (North through East) ! Clean map min=-0.012238 max=0.029416 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1311-2216_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J1311-2216_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1311-2216_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 22:48:58 2007