! Started logfile: J0430-0523_S_2005_07_08_yyk_uvs.log on Fri Jan 20 11:16:21 2006 obs J0430-0523_S_2005_07_08_yyk_uve.fits ! Reading UV FITS file: J0430-0523_S_2005_07_08_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.762963 visibilities/baseline/integration-bin. ! Found source: J0430-0523 ! ! 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 1412 lines of history. ! ! Reading 1236 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 J0430-0523_S_2005_07_08_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)= 0.107442 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=8.456 mas, bmaj=12.89 mas, bpa=8.178 degrees ! Estimated noise=2.01802 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 = 0.0583446 Jy ! Component: 100 - total flux cleaned = 0.0737106 Jy ! Total flux subtracted in 100 components = 0.0737106 Jy ! Clean residual min=-0.012326 max=0.014674 Jy/beam ! Clean residual mean=-0.000046 rms=0.004011 Jy/beam ! Combined flux in latest and established models = 0.0737106 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0737106 Jy ! ! Correcting IF 1. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 38 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.080749Jy sigma=1.377579 ! Fit after self-cal, rms=0.070108Jy sigma=1.185993 ! Inverting map and beam ! Estimated beam: bmin=8.456 mas, bmaj=12.89 mas, bpa=8.178 degrees ! Estimated noise=2.01802 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=9.655 mas, bmaj=14.17 mas, bpa=9.702 degrees ! Estimated noise=1.50931 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 = 0.0163694 Jy ! Component: 100 - total flux cleaned = 0.0151269 Jy ! Component: 150 - total flux cleaned = 0.0146507 Jy ! Component: 200 - total flux cleaned = 0.014425 Jy ! Total flux subtracted in 200 components = 0.014425 Jy ! Clean residual min=-0.005130 max=0.006054 Jy/beam ! Clean residual mean=-0.000025 rms=0.001675 Jy/beam ! Combined flux in latest and established models = 0.0881355 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 33 components and 0.0881356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066805Jy sigma=1.117764 ! Fit after self-cal, rms=0.066758Jy sigma=1.117619 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.655 x 14.17 at 9.702 degrees (North through East) ! Clean map min=-0.0050284 max=0.082542 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: 1.00794 ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.92 HN 1.00* KP 0.91 ! LA 1.07 MK 1.00* NL 1.16 OV 1.03 ! PT 0.97 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=0.066758Jy sigma=1.117619 ! Fit after self-cal, rms=0.067065Jy sigma=1.112115 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=0.067065Jy sigma=1.112115 ! Fit after self-cal, rms=0.067081Jy sigma=1.112092 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.772 mas, bmaj=13.99 mas, bpa=13.64 degrees ! Estimated noise=1.48628 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 = -0.000150283 Jy ! Component: 100 - total flux cleaned = -0.00020437 Jy ! Component: 150 - total flux cleaned = -0.000253354 Jy ! Component: 200 - total flux cleaned = -0.000252886 Jy ! Total flux subtracted in 200 components = -0.000252886 Jy ! Clean residual min=-0.004922 max=0.005089 Jy/beam ! Clean residual mean=-0.000004 rms=0.001558 Jy/beam ! Combined flux in latest and established models = 0.0878827 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 46 components and 0.0878827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067049Jy sigma=1.110587 ! Fit after self-cal, rms=0.067047Jy sigma=1.110545 ! 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=0.067047Jy sigma=1.110545 ! Fit after self-cal, rms=0.060240Jy sigma=1.000513 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 = 0.00311056 Jy ! Component: 100 - total flux cleaned = 0.00311424 Jy ! Component: 150 - total flux cleaned = 0.00304869 Jy ! Component: 200 - total flux cleaned = 0.00292987 Jy ! Total flux subtracted in 200 components = 0.00292987 Jy ! Clean residual min=-0.005174 max=0.004502 Jy/beam ! Clean residual mean=0.000014 rms=0.001489 Jy/beam ! Combined flux in latest and established models = 0.0908125 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 56 components and 0.0908125 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059858Jy sigma=0.995110 ! Fit after self-cal, rms=0.059314Jy sigma=0.989325 ! 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: 9.772 x 13.99 at 13.64 degrees (North through East) ! Clean map min=-0.0050532 max=0.085071 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=11.04 mas, bmaj=15.05 mas, bpa=20.14 degrees ! Estimated noise=1.51583 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 = -1.79856e-05 Jy ! Component: 100 - total flux cleaned = -5.96637e-05 Jy ! Component: 150 - total flux cleaned = -9.80586e-05 Jy ! Component: 200 - total flux cleaned = -9.83266e-05 Jy ! Total flux subtracted in 200 components = -9.83266e-05 Jy ! Clean residual min=-0.004801 max=0.004730 Jy/beam ! Clean residual mean=0.000021 rms=0.001446 Jy/beam ! Combined flux in latest and established models = 0.0907142 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 59 components and 0.0907142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059299Jy sigma=0.988304 ! Fit after self-cal, rms=0.059233Jy sigma=0.987458 ! 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=8.502 mas, bmaj=12.82 mas, bpa=9.649 degrees ! Estimated noise=1.99437 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0766292 Jy ! Component: 100 - total flux cleaned = 0.0880543 Jy ! Component: 150 - total flux cleaned = 0.0917481 Jy ! Component: 200 - total flux cleaned = 0.0930511 Jy ! Total flux subtracted in 200 components = 0.0930511 Jy ! Clean residual min=-0.006367 max=0.005455 Jy/beam ! Clean residual mean=0.000026 rms=0.001676 Jy/beam ! Combined flux in latest and established models = 0.0930511 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0930511 Jy ! Inverting map and beam ! Estimated beam: bmin=9.772 mas, bmaj=13.99 mas, bpa=13.64 degrees ! Estimated noise=1.48628 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 = -0.000931508 Jy ! Component: 100 - total flux cleaned = -0.00124348 Jy ! Component: 150 - total flux cleaned = -0.00139574 Jy ! Component: 200 - total flux cleaned = -0.0015303 Jy ! Total flux subtracted in 200 components = -0.0015303 Jy ! Clean residual min=-0.005130 max=0.004449 Jy/beam ! Clean residual mean=0.000012 rms=0.001429 Jy/beam ! Combined flux in latest and established models = 0.0915208 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 33 components and 0.0915208 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=11.04 mas, bmaj=15.05 mas, bpa=20.14 degrees ! Estimated noise=1.51583 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 = -0.000165201 Jy ! Component: 100 - total flux cleaned = -0.00023158 Jy ! Component: 150 - total flux cleaned = -0.000291628 Jy ! Component: 200 - total flux cleaned = -0.000318682 Jy ! Total flux subtracted in 200 components = -0.000318682 Jy ! Clean residual min=-0.004687 max=0.004543 Jy/beam ! Clean residual mean=0.000019 rms=0.001406 Jy/beam ! Combined flux in latest and established models = 0.0912021 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 37 components and 0.0912021 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=9.772 mas, bmaj=13.99 mas, bpa=13.64 degrees ! Estimated noise=1.48628 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -5.00167e-05 Jy ! Component: 100 - total flux cleaned = -5.05907e-05 Jy ! Component: 150 - total flux cleaned = 5.56915e-06 Jy ! Component: 200 - total flux cleaned = 5.30239e-06 Jy ! Total flux subtracted in 200 components = 5.30239e-06 Jy ! Clean residual min=-0.005090 max=0.004357 Jy/beam ! Clean residual mean=0.000012 rms=0.001403 Jy/beam ! Combined flux in latest and established models = 0.0912074 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 48 components and 0.0912074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059162Jy sigma=0.985285 ! Fit after self-cal, rms=0.059159Jy sigma=0.985022 wmodel J0430-0523_S_2005_07_08_yyk\_map.mod ! Writing 48 model components to file: J0430-0523_S_2005_07_08_yyk_map.mod wobs J0430-0523_S_2005_07_08_yyk\_uvs.fits ! Writing UV FITS file: J0430-0523_S_2005_07_08_yyk_uvs.fits wwins J0430-0523_S_2005_07_08_yyk\_map.win ! wwins: Wrote 1 windows to J0430-0523_S_2005_07_08_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 = -0.00106508 Jy ! Component: 100 - total flux cleaned = -0.0013789 Jy ! Component: 150 - total flux cleaned = -0.000845834 Jy ! Component: 200 - total flux cleaned = -0.000288542 Jy ! Component: 250 - total flux cleaned = 6.20742e-05 Jy ! Component: 300 - total flux cleaned = 0.000450254 Jy ! Component: 350 - total flux cleaned = 0.000714007 Jy ! Component: 400 - total flux cleaned = 0.000866095 Jy ! Component: 450 - total flux cleaned = 0.0009646 Jy ! Component: 500 - total flux cleaned = 0.00124227 Jy ! Component: 550 - total flux cleaned = 0.00164567 Jy ! Component: 600 - total flux cleaned = 0.00190726 Jy ! Component: 650 - total flux cleaned = 0.00203588 Jy ! Component: 700 - total flux cleaned = 0.00232591 Jy ! Component: 750 - total flux cleaned = 0.0024481 Jy ! Component: 800 - total flux cleaned = 0.00280562 Jy ! Component: 850 - total flux cleaned = 0.00299942 Jy ! Component: 900 - total flux cleaned = 0.00318922 Jy ! Component: 950 - total flux cleaned = 0.00345042 Jy ! Component: 1000 - total flux cleaned = 0.00359673 Jy ! Total flux subtracted in 1024 components = 0.0037051 Jy ! Clean residual min=-0.001959 max=0.002423 Jy/beam ! Clean residual mean=-0.000006 rms=0.000805 Jy/beam ! Combined flux in latest and established models = 0.0949125 Jy keep ! Adding 61 model components to the UV plane model. ! The established model now contains 109 components and 0.0949125 Jy ![Exited script file: muppet] wmap "J0430-0523_S_2005_07_08_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.772 x 13.99 at 13.64 degrees (North through East) ! Clean map min=-0.0045114 max=0.085354 Jy/beam ! Writing clean map to FITS file: J0430-0523_S_2005_07_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0853538 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000790303 device "J0430-0523_S_2005_07_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0430-0523_S_2005_07_08_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -2.77774 2.77774 5.55549 11.111 22.2219 44.4439 88.8878 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.085 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 9.772 x 13.99 at 13.64 degrees (North through East) ! Clean map min=-0.0045114 max=0.085354 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0430-0523_S_2005_07_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0430-0523_S_2005_07_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0430-0523_S_2005_07_08_yyk_uvs.log closed on Fri Jan 20 11:16:22 2006