! Started logfile: J1718-1120_S_2004_05_27_yyk_uvs.log on Wed Dec 7 01:04:22 2005 obs J1718-1120_S_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1718-1120_S_2004_05_27_yyk_uve.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.708333 visibilities/baseline/integration-bin. ! Found source: J1718-1120 ! ! 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 1387 lines of history. ! ! Reading 2040 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 J1718-1120_S_2004_05_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 = 256x256 pixels with 1.00x1.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.101075 Jy startmod ,phase_soltime ! Applying default point source starting model. ! Performing phase self-cal over 10 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 52 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 62 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.926260Jy sigma=18.103931 ! Fit after self-cal, rms=0.919926Jy sigma=18.008032 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. 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=5.465 mas, bmaj=14.36 mas, bpa=-1.433 degrees ! Estimated noise=1.43351 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 (0, 0). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0679091 Jy ! Component: 100 - total flux cleaned = 0.0816942 Jy ! Total flux subtracted in 100 components = 0.0816942 Jy ! Clean residual min=-0.005531 max=0.004567 Jy/beam ! Clean residual mean=0.000092 rms=0.001513 Jy/beam ! Combined flux in latest and established models = 0.0816943 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0816943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058495Jy sigma=1.027630 ! Fit after self-cal, rms=0.058477Jy sigma=1.027274 ! Inverting map 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=7.009 mas, bmaj=16.27 mas, bpa=-2.444 degrees ! Estimated noise=1.00406 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 = 0.00720325 Jy ! Component: 100 - total flux cleaned = 0.0102537 Jy ! Component: 150 - total flux cleaned = 0.0117914 Jy ! Component: 200 - total flux cleaned = 0.0126193 Jy ! Total flux subtracted in 200 components = 0.0126193 Jy ! Clean residual min=-0.002947 max=0.002681 Jy/beam ! Clean residual mean=0.000052 rms=0.000974 Jy/beam ! Combined flux in latest and established models = 0.0943135 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 43 model components to the UV plane model. ! The established model now contains 53 components and 0.0943135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057957Jy sigma=1.014293 ! Fit after self-cal, rms=0.057963Jy sigma=1.014152 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! selflims ampcor_selflim ! 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: 1.00414 ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.03 HN 0.98 KP 0.98 ! LA 1.03 MK 1.00* NL 0.97 OV 0.97 ! PT 1.11 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.991473 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 1.15 KP 1.03 ! LA 0.98 MK 1.00* NL 0.95 OV 0.96 ! PT 1.00 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.980838 ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.88 HN 1.00* KP 0.97 ! LA 0.97 MK 1.00* NL 1.12 OV 1.12 ! PT 1.00 SC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1.01172 ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.89 HN 1.06 KP 0.91 ! LA 1.00* MK 1.00* NL 1.06 OV 0.87 ! PT 0.97 SC 1.00* ! ! ! Fit before self-cal, rms=0.057963Jy sigma=1.014152 ! Fit after self-cal, rms=0.058043Jy sigma=1.002852 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=0.058043Jy sigma=1.002852 ! Fit after self-cal, rms=0.058057Jy sigma=1.002821 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=7.191 mas, bmaj=16.35 mas, bpa=-2.101 degrees ! Estimated noise=0.994248 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 = -0.00112542 Jy ! Component: 100 - total flux cleaned = -0.00134813 Jy ! Component: 150 - total flux cleaned = -0.00141196 Jy ! Component: 200 - total flux cleaned = -0.00146988 Jy ! Total flux subtracted in 200 components = -0.00146988 Jy ! Clean residual min=-0.003004 max=0.002495 Jy/beam ! Clean residual mean=0.000077 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.0928436 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 65 components and 0.0928436 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058030Jy sigma=1.002321 ! Fit after self-cal, rms=0.058030Jy sigma=1.002281 ! 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=0.058030Jy sigma=1.002281 ! Fit after self-cal, rms=0.051815Jy sigma=0.898173 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 = 0.00195162 Jy ! Component: 100 - total flux cleaned = 0.00165597 Jy ! Component: 150 - total flux cleaned = 0.00146329 Jy ! Component: 200 - total flux cleaned = 0.00134148 Jy ! Total flux subtracted in 200 components = 0.00134148 Jy ! Clean residual min=-0.003123 max=0.002858 Jy/beam ! Clean residual mean=0.000077 rms=0.000923 Jy/beam ! Combined flux in latest and established models = 0.0941851 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 76 components and 0.0941851 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051532Jy sigma=0.894844 ! Fit after self-cal, rms=0.051127Jy sigma=0.890745 ! 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: 7.191 x 16.35 at -2.101 degrees (North through East) ! Clean map min=-0.0031279 max=0.085773 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=9.5 mas, bmaj=17.65 mas, bpa=2.295 degrees ! Estimated noise=1.03896 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 = -0.000394614 Jy ! Component: 100 - total flux cleaned = -0.000390206 Jy ! Component: 150 - total flux cleaned = -0.000412706 Jy ! Component: 200 - total flux cleaned = -0.000454099 Jy ! Total flux subtracted in 200 components = -0.000454099 Jy ! Clean residual min=-0.002694 max=0.002921 Jy/beam ! Clean residual mean=0.000108 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.093731 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 79 components and 0.093731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051100Jy sigma=0.890305 ! Fit after self-cal, rms=0.051016Jy sigma=0.889769 ! Inverting map uvtaper 0,0 ! 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=5.546 mas, bmaj=14.38 mas, bpa=-1.565 degrees ! Estimated noise=1.4316 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0720885 Jy ! Component: 100 - total flux cleaned = 0.0835045 Jy ! Component: 150 - total flux cleaned = 0.0880429 Jy ! Component: 200 - total flux cleaned = 0.0900861 Jy ! Total flux subtracted in 200 components = 0.0900861 Jy ! Clean residual min=-0.004338 max=0.003797 Jy/beam ! Clean residual mean=0.000065 rms=0.001283 Jy/beam ! Combined flux in latest and established models = 0.0900861 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0900861 Jy ! Inverting map and beam ! Estimated beam: bmin=7.191 mas, bmaj=16.35 mas, bpa=-2.101 degrees ! Estimated noise=0.994248 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 = 0.00257089 Jy ! Component: 100 - total flux cleaned = 0.00317968 Jy ! Component: 150 - total flux cleaned = 0.00358585 Jy ! Component: 200 - total flux cleaned = 0.00374765 Jy ! Total flux subtracted in 200 components = 0.00374765 Jy ! Clean residual min=-0.003199 max=0.002793 Jy/beam ! Clean residual mean=0.000078 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.0938337 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 46 components and 0.0938337 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=9.5 mas, bmaj=17.65 mas, bpa=2.295 degrees ! Estimated noise=1.03896 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 = -0.000179039 Jy ! Component: 100 - total flux cleaned = -0.00013221 Jy ! Component: 150 - total flux cleaned = -0.000150825 Jy ! Component: 200 - total flux cleaned = -0.000183792 Jy ! Total flux subtracted in 200 components = -0.000183792 Jy ! Clean residual min=-0.002666 max=0.002869 Jy/beam ! Clean residual mean=0.000108 rms=0.000909 Jy/beam ! Combined flux in latest and established models = 0.0936499 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 55 components and 0.0936499 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=7.191 mas, bmaj=16.35 mas, bpa=-2.101 degrees ! Estimated noise=0.994248 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000105298 Jy ! Component: 100 - total flux cleaned = 0.000173239 Jy ! Component: 150 - total flux cleaned = 0.000188488 Jy ! Component: 200 - total flux cleaned = 0.000202921 Jy ! Total flux subtracted in 200 components = 0.000202921 Jy ! Clean residual min=-0.003033 max=0.002867 Jy/beam ! Clean residual mean=0.000079 rms=0.000911 Jy/beam ! Combined flux in latest and established models = 0.0938528 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 64 components and 0.0938528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050868Jy sigma=0.889601 ! Fit after self-cal, rms=0.050820Jy sigma=0.889449 wmodel J1718-1120_S_2004_05_27_yyk\_map.mod ! Writing 64 model components to file: J1718-1120_S_2004_05_27_yyk_map.mod wobs J1718-1120_S_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1718-1120_S_2004_05_27_yyk_uvs.fits wwins J1718-1120_S_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J1718-1120_S_2004_05_27_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 = -0.000285574 Jy ! Component: 100 - total flux cleaned = -0.000336457 Jy ! Component: 150 - total flux cleaned = -0.000460613 Jy ! Component: 200 - total flux cleaned = -0.0005784 Jy ! Component: 250 - total flux cleaned = -0.000578139 Jy ! Component: 300 - total flux cleaned = -0.0004707 Jy ! Component: 350 - total flux cleaned = -0.000436088 Jy ! Component: 400 - total flux cleaned = -0.000369196 Jy ! Component: 450 - total flux cleaned = -0.000238624 Jy ! Component: 500 - total flux cleaned = -1.62745e-05 Jy ! Component: 550 - total flux cleaned = 0.00016971 Jy ! Component: 600 - total flux cleaned = 0.000382068 Jy ! Component: 650 - total flux cleaned = 0.000618861 Jy ! Component: 700 - total flux cleaned = 0.00084903 Jy ! Component: 750 - total flux cleaned = 0.0011293 Jy ! Component: 800 - total flux cleaned = 0.00137552 Jy ! Component: 850 - total flux cleaned = 0.00161613 Jy ! Component: 900 - total flux cleaned = 0.00182614 Jy ! Component: 950 - total flux cleaned = 0.00210763 Jy ! Component: 1000 - total flux cleaned = 0.00223271 Jy ! Total flux subtracted in 1024 components = 0.00235632 Jy ! Clean residual min=-0.001469 max=0.001257 Jy/beam ! Clean residual mean=0.000068 rms=0.000550 Jy/beam ! Combined flux in latest and established models = 0.0962092 Jy keep ! Adding 55 model components to the UV plane model. ! The established model now contains 119 components and 0.0962091 Jy ![Exited script file: muppet] wmap "J1718-1120_S_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.191 x 16.35 at -2.101 degrees (North through East) ! Clean map min=-0.0021206 max=0.086428 Jy/beam ! Writing clean map to FITS file: J1718-1120_S_2004_05_27_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0864276 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000551152 device "J1718-1120_S_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1718-1120_S_2004_05_27_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -1.91311 1.91311 3.82622 7.65245 15.3049 30.6098 61.2196 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.086 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 7.191 x 16.35 at -2.101 degrees (North through East) ! Clean map min=-0.0021206 max=0.086428 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1718-1120_S_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1718-1120_S_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1718-1120_S_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:04:23 2005