! Started logfile: J0342-1354_X_2005_07_09_yyk_uvs.log on Fri Jan 20 11:14:52 2006 obs J0342-1354_X_2005_07_09_yyk_uve.fits ! Reading UV FITS file: J0342-1354_X_2005_07_09_yyk_uve.fits ! AN table 1: 11 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.456566 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0342-1354 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1480 lines of history. ! ! Reading 904 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 J0342-1354_X_2005_07_09_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 0.400x0.400 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.102188 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=2.214 mas, bmaj=4.672 mas, bpa=4.727 degrees ! Estimated noise=2.65249 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 = 0.0596442 Jy ! Component: 100 - total flux cleaned = 0.0694102 Jy ! Total flux subtracted in 100 components = 0.0694102 Jy ! Clean residual min=-0.010017 max=0.012156 Jy/beam ! Clean residual mean=0.000031 rms=0.003399 Jy/beam ! Combined flux in latest and established models = 0.0694101 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0694101 Jy ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.076379Jy sigma=1.202859 ! Fit after self-cal, rms=0.072209Jy sigma=1.129262 ! Inverting map and beam ! Estimated beam: bmin=2.214 mas, bmaj=4.672 mas, bpa=4.727 degrees ! Estimated noise=2.65249 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=2.488 mas, bmaj=4.912 mas, bpa=-0.5573 degrees ! Estimated noise=1.8671 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 = 0.0105716 Jy ! Component: 100 - total flux cleaned = 0.0149843 Jy ! Component: 150 - total flux cleaned = 0.0175275 Jy ! Component: 200 - total flux cleaned = 0.0182328 Jy ! Total flux subtracted in 200 components = 0.0182328 Jy ! Clean residual min=-0.005916 max=0.006660 Jy/beam ! Clean residual mean=0.000033 rms=0.001942 Jy/beam ! Combined flux in latest and established models = 0.087643 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 27 components and 0.0876429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071544Jy sigma=1.105285 ! Fit after self-cal, rms=0.071533Jy sigma=1.104419 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.488 x 4.912 at -0.5573 degrees (North through East) ! Clean map min=-0.005725 max=0.0735 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: 1.03271 ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 1.15 HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 0.84 OV 1.00* ! PT 0.86 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=0.071533Jy sigma=1.104419 ! Fit after self-cal, rms=0.070983Jy sigma=1.101138 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=0.070983Jy sigma=1.101138 ! Fit after self-cal, rms=0.070998Jy sigma=1.101110 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.459 mas, bmaj=4.884 mas, bpa=-0.3813 degrees ! Estimated noise=1.8486 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 = 0.00193524 Jy ! Component: 100 - total flux cleaned = 0.00210868 Jy ! Component: 150 - total flux cleaned = 0.00210839 Jy ! Component: 200 - total flux cleaned = 0.00223745 Jy ! Total flux subtracted in 200 components = 0.00223745 Jy ! Clean residual min=-0.005179 max=0.006791 Jy/beam ! Clean residual mean=0.000038 rms=0.001864 Jy/beam ! Combined flux in latest and established models = 0.0898804 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 37 components and 0.0898804 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070974Jy sigma=1.099349 ! Fit after self-cal, rms=0.070941Jy sigma=1.099015 ! 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=0.070941Jy sigma=1.099015 ! Fit after self-cal, rms=0.063724Jy sigma=0.978488 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 = 0.00384589 Jy ! Component: 100 - total flux cleaned = 0.00421308 Jy ! Component: 150 - total flux cleaned = 0.00427636 Jy ! Component: 200 - total flux cleaned = 0.00432882 Jy ! Total flux subtracted in 200 components = 0.00432882 Jy ! Clean residual min=-0.005458 max=0.005972 Jy/beam ! Clean residual mean=0.000044 rms=0.001768 Jy/beam ! Combined flux in latest and established models = 0.0942092 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 46 components and 0.0942092 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063551Jy sigma=0.973879 ! Fit after self-cal, rms=0.063196Jy sigma=0.967321 ! 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: 2.459 x 4.884 at -0.3813 degrees (North through East) ! Clean map min=-0.0051553 max=0.077111 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 = 70 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.847 mas, bmaj=5.155 mas, bpa=2.833 degrees ! Estimated noise=1.89429 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 = -0.000161588 Jy ! Component: 100 - total flux cleaned = -0.000212339 Jy ! Component: 150 - total flux cleaned = -0.000300271 Jy ! Component: 200 - total flux cleaned = -0.000377617 Jy ! Total flux subtracted in 200 components = -0.000377617 Jy ! Clean residual min=-0.005265 max=0.005891 Jy/beam ! Clean residual mean=0.000049 rms=0.001722 Jy/beam ! Combined flux in latest and established models = 0.0938316 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 54 components and 0.0938316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063163Jy sigma=0.966510 ! Fit after self-cal, rms=0.063151Jy sigma=0.965867 ! 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=2.205 mas, bmaj=4.67 mas, bpa=4.692 degrees ! Estimated noise=2.63196 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0667824 Jy ! Component: 100 - total flux cleaned = 0.0821 Jy ! Component: 150 - total flux cleaned = 0.0891915 Jy ! Component: 200 - total flux cleaned = 0.0911461 Jy ! Total flux subtracted in 200 components = 0.0911461 Jy ! Clean residual min=-0.010225 max=0.008558 Jy/beam ! Clean residual mean=0.000050 rms=0.002813 Jy/beam ! Combined flux in latest and established models = 0.0911462 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0911462 Jy ! Inverting map and beam ! Estimated beam: bmin=2.459 mas, bmaj=4.884 mas, bpa=-0.3813 degrees ! Estimated noise=1.8486 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 = 0.00250827 Jy ! Component: 100 - total flux cleaned = 0.00211508 Jy ! Component: 150 - total flux cleaned = 0.002202 Jy ! Component: 200 - total flux cleaned = 0.00227635 Jy ! Total flux subtracted in 200 components = 0.00227635 Jy ! Clean residual min=-0.005553 max=0.005716 Jy/beam ! Clean residual mean=0.000042 rms=0.001771 Jy/beam ! Combined flux in latest and established models = 0.0934225 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 34 components and 0.0934225 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.847 mas, bmaj=5.155 mas, bpa=2.833 degrees ! Estimated noise=1.89429 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 = 0.000257361 Jy ! Component: 100 - total flux cleaned = 0.000204086 Jy ! Component: 150 - total flux cleaned = 0.000116258 Jy ! Component: 200 - total flux cleaned = 3.99204e-05 Jy ! Total flux subtracted in 200 components = 3.99204e-05 Jy ! Clean residual min=-0.005303 max=0.005607 Jy/beam ! Clean residual mean=0.000048 rms=0.001706 Jy/beam ! Combined flux in latest and established models = 0.0934624 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 0.0934624 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.459 mas, bmaj=4.884 mas, bpa=-0.3813 degrees ! Estimated noise=1.8486 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000332378 Jy ! Component: 100 - total flux cleaned = 0.000296331 Jy ! Component: 150 - total flux cleaned = 0.00026643 Jy ! Component: 200 - total flux cleaned = 0.000266859 Jy ! Total flux subtracted in 200 components = 0.000266859 Jy ! Clean residual min=-0.005273 max=0.005696 Jy/beam ! Clean residual mean=0.000042 rms=0.001701 Jy/beam ! Combined flux in latest and established models = 0.0937293 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 46 components and 0.0937293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063089Jy sigma=0.964613 ! Fit after self-cal, rms=0.063119Jy sigma=0.964368 wmodel J0342-1354_X_2005_07_09_yyk\_map.mod ! Writing 46 model components to file: J0342-1354_X_2005_07_09_yyk_map.mod wobs J0342-1354_X_2005_07_09_yyk\_uvs.fits ! Writing UV FITS file: J0342-1354_X_2005_07_09_yyk_uvs.fits wwins J0342-1354_X_2005_07_09_yyk\_map.win ! wwins: Wrote 1 windows to J0342-1354_X_2005_07_09_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 = 0.00135808 Jy ! Component: 100 - total flux cleaned = 0.00190137 Jy ! Component: 150 - total flux cleaned = 0.00165682 Jy ! Component: 200 - total flux cleaned = 0.00149998 Jy ! Component: 250 - total flux cleaned = 0.00157442 Jy ! Component: 300 - total flux cleaned = 0.0016465 Jy ! Component: 350 - total flux cleaned = 0.00197897 Jy ! Component: 400 - total flux cleaned = 0.00204422 Jy ! Component: 450 - total flux cleaned = 0.00204373 Jy ! Component: 500 - total flux cleaned = 0.00204371 Jy ! Component: 550 - total flux cleaned = 0.00198819 Jy ! Component: 600 - total flux cleaned = 0.00198801 Jy ! Component: 650 - total flux cleaned = 0.00193501 Jy ! Component: 700 - total flux cleaned = 0.00188413 Jy ! Component: 750 - total flux cleaned = 0.00174014 Jy ! Component: 800 - total flux cleaned = 0.00183451 Jy ! Component: 850 - total flux cleaned = 0.00192545 Jy ! Component: 900 - total flux cleaned = 0.00170558 Jy ! Component: 950 - total flux cleaned = 0.00166259 Jy ! Component: 1000 - total flux cleaned = 0.00158047 Jy ! Total flux subtracted in 1024 components = 0.00145867 Jy ! Clean residual min=-0.002372 max=0.002445 Jy/beam ! Clean residual mean=0.000019 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 0.0951879 Jy keep ! Adding 53 model components to the UV plane model. ! The established model now contains 99 components and 0.0951879 Jy ![Exited script file: muppet] wmap "J0342-1354_X_2005_07_09_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.459 x 4.884 at -0.3813 degrees (North through East) ! Clean map min=-0.0049811 max=0.07649 Jy/beam ! Writing clean map to FITS file: J0342-1354_X_2005_07_09_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0764902 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00084103 device "J0342-1354_X_2005_07_09_yyk\_map.eps/VPS" ! Attempting to open device: 'J0342-1354_X_2005_07_09_yyk_map.eps/VPS' loglevs 1*100*3*image_rms/peak_flux ! The new contour levels are: ! -3.29858 3.29858 6.59716 13.1943 26.3887 52.7773 print "clev=",int(1*3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.076 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.459 x 4.884 at -0.3813 degrees (North through East) ! Clean map min=-0.0049811 max=0.07649 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0342-1354_X_2005_07_09_yyk\_map.gif/gif" ! Attempting to open device: 'J0342-1354_X_2005_07_09_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0342-1354_X_2005_07_09_yyk_uvs.log closed on Fri Jan 20 11:14:53 2006