! Started logfile: J1908-2509_S_2004_05_27_yyk_uvs.log on Wed Dec 7 01:04:51 2005 obs J1908-2509_S_2004_05_27_yyk_uve.fits ! Reading UV FITS file: J1908-2509_S_2004_05_27_yyk_uve.fits ! AN table 1: 15 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.411852 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1908-2509 ! ! 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 1388 lines of history. ! ! Reading 1112 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 J1908-2509_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 2.00x2.00 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.118948 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 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 73 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 87 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.927695Jy sigma=16.738498 ! Fit after self-cal, rms=0.906581Jy sigma=16.397006 ! 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=11.67 mas, bmaj=31.35 mas, bpa=19.83 degrees ! Estimated noise=2.2182 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 = 0.0814782 Jy ! Component: 100 - total flux cleaned = 0.09697 Jy ! Total flux subtracted in 100 components = 0.09697 Jy ! Clean residual min=-0.011369 max=0.008585 Jy/beam ! Clean residual mean=-0.000082 rms=0.002830 Jy/beam ! Combined flux in latest and established models = 0.0969701 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0969701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068711Jy sigma=1.120922 ! Fit after self-cal, rms=0.068728Jy sigma=1.119757 ! 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=13.13 mas, bmaj=35.92 mas, bpa=16.96 degrees ! Estimated noise=1.54569 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 = 0.010405 Jy ! Component: 100 - total flux cleaned = 0.0136647 Jy ! Component: 150 - total flux cleaned = 0.015722 Jy ! Component: 200 - total flux cleaned = 0.0170181 Jy ! Total flux subtracted in 200 components = 0.0170181 Jy ! Clean residual min=-0.008342 max=0.006191 Jy/beam ! Clean residual mean=-0.000035 rms=0.001944 Jy/beam ! Combined flux in latest and established models = 0.113988 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 32 components and 0.113988 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067563Jy sigma=1.092597 ! Fit after self-cal, rms=0.067593Jy sigma=1.092190 ! 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: 1.01043 ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.93 HN 1.00* KP 0.95 ! LA 1.14 MK 1.00* NL 1.00* OV 1.01 ! PT 1.00 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.998652 ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 HN 1.00* KP 1.01 ! LA 0.96 MK 1.00* NL 1.00* OV 1.04 ! PT 0.96 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=0.067593Jy sigma=1.092190 ! Fit after self-cal, rms=0.067191Jy sigma=1.087100 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=0.067191Jy sigma=1.087100 ! Fit after self-cal, rms=0.067200Jy sigma=1.087076 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=13.04 mas, bmaj=35.79 mas, bpa=17.72 degrees ! Estimated noise=1.5366 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 = 0.000807225 Jy ! Component: 100 - total flux cleaned = 0.00139147 Jy ! Component: 150 - total flux cleaned = 0.00200349 Jy ! Component: 200 - total flux cleaned = 0.0022517 Jy ! Total flux subtracted in 200 components = 0.0022517 Jy ! Clean residual min=-0.007653 max=0.005924 Jy/beam ! Clean residual mean=-0.000069 rms=0.001843 Jy/beam ! Combined flux in latest and established models = 0.11624 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 42 components and 0.11624 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067163Jy sigma=1.085789 ! Fit after self-cal, rms=0.067175Jy sigma=1.085773 ! 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=0.067175Jy sigma=1.085773 ! Fit after self-cal, rms=0.060844Jy sigma=0.970519 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 = 0.00351665 Jy ! Component: 100 - total flux cleaned = 0.00392916 Jy ! Component: 150 - total flux cleaned = 0.00404537 Jy ! Component: 200 - total flux cleaned = 0.00425213 Jy ! Total flux subtracted in 200 components = 0.00425213 Jy ! Clean residual min=-0.007065 max=0.006421 Jy/beam ! Clean residual mean=-0.000056 rms=0.001787 Jy/beam ! Combined flux in latest and established models = 0.120492 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 47 components and 0.120492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060480Jy sigma=0.966307 ! Fit after self-cal, rms=0.060189Jy sigma=0.961079 ! 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: 13.04 x 35.79 at 17.72 degrees (North through East) ! Clean map min=-0.0068394 max=0.098776 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=13.62 mas, bmaj=35.82 mas, bpa=17.48 degrees ! Estimated noise=1.54222 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 = 0.000635805 Jy ! Component: 100 - total flux cleaned = 0.000757757 Jy ! Component: 150 - total flux cleaned = 0.00091145 Jy ! Component: 200 - total flux cleaned = 0.00102077 Jy ! Total flux subtracted in 200 components = 0.00102077 Jy ! Clean residual min=-0.007042 max=0.006507 Jy/beam ! Clean residual mean=-0.000056 rms=0.001790 Jy/beam ! Combined flux in latest and established models = 0.121513 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 53 components and 0.121513 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060133Jy sigma=0.960355 ! Fit after self-cal, rms=0.060113Jy sigma=0.959905 ! 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=11.63 mas, bmaj=31.3 mas, bpa=20.3 degrees ! Estimated noise=2.19433 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0853674 Jy ! Component: 100 - total flux cleaned = 0.101257 Jy ! Component: 150 - total flux cleaned = 0.103515 Jy ! Component: 200 - total flux cleaned = 0.107472 Jy ! Total flux subtracted in 200 components = 0.107472 Jy ! Clean residual min=-0.010432 max=0.007768 Jy/beam ! Clean residual mean=-0.000093 rms=0.002400 Jy/beam ! Combined flux in latest and established models = 0.107472 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.107472 Jy ! Inverting map and beam ! Estimated beam: bmin=13.04 mas, bmaj=35.79 mas, bpa=17.72 degrees ! Estimated noise=1.5366 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 = 0.00612508 Jy ! Component: 100 - total flux cleaned = 0.00938261 Jy ! Component: 150 - total flux cleaned = 0.0113435 Jy ! Component: 200 - total flux cleaned = 0.0119581 Jy ! Total flux subtracted in 200 components = 0.0119581 Jy ! Clean residual min=-0.007100 max=0.007180 Jy/beam ! Clean residual mean=-0.000057 rms=0.001849 Jy/beam ! Combined flux in latest and established models = 0.11943 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 0.11943 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=13.62 mas, bmaj=35.82 mas, bpa=17.48 degrees ! Estimated noise=1.54222 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 = 0.000613091 Jy ! Component: 100 - total flux cleaned = 0.00091249 Jy ! Component: 150 - total flux cleaned = 0.00104595 Jy ! Component: 200 - total flux cleaned = 0.00117083 Jy ! Total flux subtracted in 200 components = 0.00117083 Jy ! Clean residual min=-0.007187 max=0.006995 Jy/beam ! Clean residual mean=-0.000057 rms=0.001832 Jy/beam ! Combined flux in latest and established models = 0.120601 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 39 components and 0.120601 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=13.04 mas, bmaj=35.79 mas, bpa=17.72 degrees ! Estimated noise=1.5366 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000266667 Jy ! Component: 100 - total flux cleaned = -0.000152772 Jy ! Component: 150 - total flux cleaned = -1.09781e-05 Jy ! Component: 200 - total flux cleaned = 8.80437e-05 Jy ! Total flux subtracted in 200 components = 8.80437e-05 Jy ! Clean residual min=-0.007094 max=0.006709 Jy/beam ! Clean residual mean=-0.000054 rms=0.001789 Jy/beam ! Combined flux in latest and established models = 0.120689 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 48 components and 0.120689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060077Jy sigma=0.960506 ! Fit after self-cal, rms=0.060060Jy sigma=0.960409 wmodel J1908-2509_S_2004_05_27_yyk\_map.mod ! Writing 48 model components to file: J1908-2509_S_2004_05_27_yyk_map.mod wobs J1908-2509_S_2004_05_27_yyk\_uvs.fits ! Writing UV FITS file: J1908-2509_S_2004_05_27_yyk_uvs.fits wwins J1908-2509_S_2004_05_27_yyk\_map.win ! wwins: Wrote 1 windows to J1908-2509_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 = -0.000639275 Jy ! Component: 100 - total flux cleaned = -0.00118119 Jy ! Component: 150 - total flux cleaned = -0.00173805 Jy ! Component: 200 - total flux cleaned = -0.00202662 Jy ! Component: 250 - total flux cleaned = -0.00242628 Jy ! Component: 300 - total flux cleaned = -0.0028589 Jy ! Component: 350 - total flux cleaned = -0.0032095 Jy ! Component: 400 - total flux cleaned = -0.00370311 Jy ! Component: 450 - total flux cleaned = -0.00411566 Jy ! Component: 500 - total flux cleaned = -0.00470085 Jy ! Component: 550 - total flux cleaned = -0.00516723 Jy ! Component: 600 - total flux cleaned = -0.00565872 Jy ! Component: 650 - total flux cleaned = -0.0060889 Jy ! Component: 700 - total flux cleaned = -0.00638045 Jy ! Component: 750 - total flux cleaned = -0.00649978 Jy ! Component: 800 - total flux cleaned = -0.00649803 Jy ! Component: 850 - total flux cleaned = -0.0064972 Jy ! Component: 900 - total flux cleaned = -0.00646127 Jy ! Component: 950 - total flux cleaned = -0.00653408 Jy ! Component: 1000 - total flux cleaned = -0.00653511 Jy ! Total flux subtracted in 1024 components = -0.00653533 Jy ! Clean residual min=-0.002227 max=0.002627 Jy/beam ! Clean residual mean=-0.000024 rms=0.000773 Jy/beam ! Combined flux in latest and established models = 0.114154 Jy keep ! Adding 55 model components to the UV plane model. ! The established model now contains 103 components and 0.114154 Jy ![Exited script file: muppet] wmap "J1908-2509_S_2004_05_27_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 13.04 x 35.79 at 17.72 degrees (North through East) ! Clean map min=-0.0053503 max=0.098666 Jy/beam ! Writing clean map to FITS file: J1908-2509_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 0.0986657 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000780579 device "J1908-2509_S_2004_05_27_yyk\_map.eps/VPS" ! Attempting to open device: 'J1908-2509_S_2004_05_27_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.3734 2.3734 4.74681 9.49362 18.9872 37.9745 75.949 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.098 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 13.04 x 35.79 at 17.72 degrees (North through East) ! Clean map min=-0.0053503 max=0.098666 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1908-2509_S_2004_05_27_yyk\_map.gif/gif" ! Attempting to open device: 'J1908-2509_S_2004_05_27_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1908-2509_S_2004_05_27_yyk_uvs.log closed on Wed Dec 7 01:04:52 2005