! Started logfile: J0637-3536_S_2002_05_14_yyk_uvs.log on Tue Jun 26 22:22:58 2007 obs J0637-3536_S_2002_05_14_yyk_uva.fits ! Reading UV FITS file: J0637-3536_S_2002_05_14_yyk_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.545503 visibilities/baseline/integration-bin. ! Found source: J0637-3536 ! ! 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 1153 lines of history. ! ! Reading 4124 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 J0637-3536_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)= 0.828735 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=3.097 mas, bmaj=21.55 mas, bpa=23.52 degrees ! Estimated noise=3424.63 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 = 0.0195293 Jy ! Component: 100 - total flux cleaned = 0.0213272 Jy ! Total flux subtracted in 100 components = 0.0213272 Jy ! Clean residual min=-0.010885 max=0.011096 Jy/beam ! Clean residual mean=0.000109 rms=0.004018 Jy/beam ! Combined flux in latest and established models = 0.0213272 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 0.0213272 Jy ! ! Correcting IF 1. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 152 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 113 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 267 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.826986Jy sigma=0.002700 ! Fit after self-cal, rms=0.827253Jy sigma=0.002700 ! Inverting map and beam ! Estimated beam: bmin=3.097 mas, bmaj=21.55 mas, bpa=23.52 degrees ! Estimated noise=3424.95 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=3.731 mas, bmaj=24.63 mas, bpa=23.98 degrees ! Estimated noise=2488.64 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 = 0.0029654 Jy ! Component: 100 - total flux cleaned = -0.00517617 Jy ! Component: 150 - total flux cleaned = -0.00588955 Jy ! Component: 200 - total flux cleaned = -0.00940455 Jy ! Total flux subtracted in 200 components = -0.00940455 Jy ! Clean residual min=-0.006007 max=0.005987 Jy/beam ! Clean residual mean=0.000122 rms=0.002696 Jy/beam ! Combined flux in latest and established models = 0.0119227 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 57 model components to the UV plane model. ! The established model now contains 83 components and 0.0119227 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.825985Jy sigma=0.002692 ! Fit after self-cal, rms=0.825962Jy sigma=0.002692 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.731 x 24.63 at 23.98 degrees (North through East) ! Clean map min=-0.021221 max=0.045669 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 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* NL 1.00* OV 1.00* PT 1.00* ! SC 1.00* MK 1.00* ! ! ! Correcting IF 4. ! A total of 9 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=0.825962Jy sigma=0.002692 ! Fit after self-cal, rms=0.826975Jy sigma=0.002695 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=0.826975Jy sigma=0.002695 ! Fit after self-cal, rms=0.826972Jy sigma=0.002695 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.731 mas, bmaj=24.65 mas, bpa=24 degrees ! Estimated noise=2492.86 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 = -0.00257428 Jy ! Component: 100 - total flux cleaned = -0.000789164 Jy ! Component: 150 - total flux cleaned = 0.00043364 Jy ! Component: 200 - total flux cleaned = 5.49175e-05 Jy ! Total flux subtracted in 200 components = 5.49175e-05 Jy ! Clean residual min=-0.004381 max=0.004405 Jy/beam ! Clean residual mean=0.000024 rms=0.001968 Jy/beam ! Combined flux in latest and established models = 0.0119776 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 60 model components to the UV plane model. ! The established model now contains 133 components and 0.0119776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.826354Jy sigma=0.002692 ! Fit after self-cal, rms=0.826360Jy sigma=0.002692 ! 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=0.826360Jy sigma=0.002692 ! Fit after self-cal, rms=0.823274Jy sigma=0.002680 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 = 0.00303585 Jy ! Component: 100 - total flux cleaned = 0.000439644 Jy ! Component: 150 - total flux cleaned = 0.00399567 Jy ! Component: 200 - total flux cleaned = 0.00856265 Jy ! Total flux subtracted in 200 components = 0.00856265 Jy ! Clean residual min=-0.007936 max=0.007938 Jy/beam ! Clean residual mean=-0.000053 rms=0.003809 Jy/beam ! Combined flux in latest and established models = 0.0205402 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 77 model components to the UV plane model. ! The established model now contains 210 components and 0.0205402 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.820835Jy sigma=0.002671 ! Fit after self-cal, rms=0.820228Jy sigma=0.002668 ! 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: 3.731 x 24.65 at 24 degrees (North through East) ! Clean map min=-0.029605 max=0.056992 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=8.63 mas, bmaj=33.07 mas, bpa=14.42 degrees ! Estimated noise=2965.63 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 = -0.00615655 Jy ! Component: 100 - total flux cleaned = -0.00340555 Jy ! Component: 150 - total flux cleaned = -0.0024812 Jy ! Component: 200 - total flux cleaned = -0.00184453 Jy ! Total flux subtracted in 200 components = -0.00184453 Jy ! Clean residual min=-0.008379 max=0.008136 Jy/beam ! Clean residual mean=-0.000138 rms=0.002779 Jy/beam ! Combined flux in latest and established models = 0.0186957 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 43 model components to the UV plane model. ! The established model now contains 253 components and 0.0186957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.819206Jy sigma=0.002666 ! Fit after self-cal, rms=0.819074Jy sigma=0.002665 ! 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=3.097 mas, bmaj=21.55 mas, bpa=23.52 degrees ! Estimated noise=3428.53 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.025587 Jy ! Component: 100 - total flux cleaned = 0.0197335 Jy ! Component: 150 - total flux cleaned = 0.0198302 Jy ! Component: 200 - total flux cleaned = 0.0174423 Jy ! Total flux subtracted in 200 components = 0.0174423 Jy ! Clean residual min=-0.014709 max=0.014671 Jy/beam ! Clean residual mean=-0.000196 rms=0.006157 Jy/beam ! Combined flux in latest and established models = 0.0174423 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 57 model components to the UV plane model. ! The established model now contains 57 components and 0.0174423 Jy ! Inverting map and beam ! Estimated beam: bmin=3.731 mas, bmaj=24.65 mas, bpa=24 degrees ! Estimated noise=2492.86 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 = -0.00160392 Jy ! Component: 100 - total flux cleaned = -0.00228088 Jy ! Component: 150 - total flux cleaned = -0.00620915 Jy ! Component: 200 - total flux cleaned = -0.00474394 Jy ! Total flux subtracted in 200 components = -0.00474394 Jy ! Clean residual min=-0.008835 max=0.008751 Jy/beam ! Clean residual mean=-0.000131 rms=0.004082 Jy/beam ! Combined flux in latest and established models = 0.0126984 Jy ! Adding 91 model components to the UV plane model. ! The established model now contains 142 components and 0.0126984 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=8.63 mas, bmaj=33.07 mas, bpa=14.42 degrees ! Estimated noise=2965.63 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 = -0.0042831 Jy ! Component: 100 - total flux cleaned = -0.0087512 Jy ! Component: 150 - total flux cleaned = -0.0105124 Jy ! Component: 200 - total flux cleaned = -0.0103767 Jy ! Total flux subtracted in 200 components = -0.0103767 Jy ! Clean residual min=-0.006013 max=0.006458 Jy/beam ! Clean residual mean=-0.000130 rms=0.002608 Jy/beam ! Combined flux in latest and established models = 0.00232166 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 191 components and 0.00232166 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.731 mas, bmaj=24.65 mas, bpa=24 degrees ! Estimated noise=2492.86 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00841599 Jy ! Component: 100 - total flux cleaned = 0.0107268 Jy ! Component: 150 - total flux cleaned = 0.0133838 Jy ! Component: 200 - total flux cleaned = 0.0148865 Jy ! Total flux subtracted in 200 components = 0.0148865 Jy ! Clean residual min=-0.006048 max=0.006040 Jy/beam ! Clean residual mean=-0.000170 rms=0.002896 Jy/beam ! Combined flux in latest and established models = 0.0172081 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 63 model components to the UV plane model. ! The established model now contains 249 components and 0.0172082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.816234Jy sigma=0.002656 ! Fit after self-cal, rms=0.815581Jy sigma=0.002653 wmodel J0637-3536_S_2002_05_14_yyk\_map.mod ! Writing 249 model components to file: J0637-3536_S_2002_05_14_yyk_map.mod wobs J0637-3536_S_2002_05_14_yyk\_uvs.fits ! Writing UV FITS file: J0637-3536_S_2002_05_14_yyk_uvs.fits wwins J0637-3536_S_2002_05_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0637-3536_S_2002_05_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.731 x 24.65 at 24 degrees (North through East) ! Clean map min=-0.03237 max=0.058629 Jy/beam ! Writing clean map to FITS file: J0637-3536_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 0.0586287 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0033654 device "J0637-3536_S_2002_05_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0637-3536_S_2002_05_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -17.2206 17.2206 34.4411 68.8822 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.01 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.058 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.731 x 24.65 at 24 degrees (North through East) ! Clean map min=-0.03237 max=0.058629 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0637-3536_S_2002_05_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0637-3536_S_2002_05_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0637-3536_S_2002_05_14_yyk_uvs.log closed on Tue Jun 26 22:23:03 2007