! Started logfile: J0835+8350_S_2006_02_14_yyk_uvs.log on Wed Jul 5 11:46:53 2006 obs J0835+8350_S_2006_02_14_yyk_uva.fits ! Reading UV FITS file: J0835+8350_S_2006_02_14_yyk_uva.fits ! AN table 1: 881 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.220759 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0835+8350 ! ! 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 2686 lines of history. ! ! Reading 35008 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 J0835+8350_S_2006_02_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. uvav time_av, true ! Averaging into 30 second bins. ! 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 phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.07679 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=12.06 mas, bmaj=50.3 mas, bpa=24.24 degrees ! Estimated noise=2.03529 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 = 0.0494727 Jy ! Component: 100 - total flux cleaned = 0.0462804 Jy ! Total flux subtracted in 100 components = 0.0462804 Jy ! Clean residual min=-0.004213 max=0.004214 Jy/beam ! Clean residual mean=0.000009 rms=0.001925 Jy/beam ! Combined flux in latest and established models = 0.0462804 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 28 components and 0.0462804 Jy ! ! Correcting IF 1. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 96 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 112 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 112 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.051006Jy sigma=1.000821 ! Fit after self-cal, rms=0.050400Jy sigma=0.990124 ! Inverting map and beam ! Estimated beam: bmin=12.06 mas, bmaj=50.3 mas, bpa=24.24 degrees ! Estimated noise=2.03529 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=13.71 mas, bmaj=47.74 mas, bpa=23.76 degrees ! Estimated noise=1.79985 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 = -0.0024084 Jy ! Component: 100 - total flux cleaned = -0.00461655 Jy ! Component: 150 - total flux cleaned = -0.00546776 Jy ! Component: 200 - total flux cleaned = -0.00690943 Jy ! Total flux subtracted in 200 components = -0.00690943 Jy ! Clean residual min=-0.001197 max=0.001208 Jy/beam ! Clean residual mean=0.000018 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.039371 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 80 model components to the UV plane model. ! The established model now contains 108 components and 0.039371 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049543Jy sigma=0.969936 ! Fit after self-cal, rms=0.049532Jy sigma=0.969657 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 13.71 x 47.74 at 23.76 degrees (North through East) ! Clean map min=-0.005779 max=0.053103 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: 0.992606 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.11 HN 1.00* KP 0.90 ! LA 1.16 MK 1.00* NL 1.00* OV 0.98 ! PT 0.92 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 0.998373 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 HN 1.00* KP 1.13 ! LA 1.01 MK 1.00* NL 1.00* OV 1.00* ! PT 0.98 SC 1.00* ! ! ! Correcting IF 3. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Correcting IF 4. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.049532Jy sigma=0.969657 ! Fit after self-cal, rms=0.045988Jy sigma=0.947377 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=0.045988Jy sigma=0.947377 ! Fit after self-cal, rms=0.045984Jy sigma=0.947201 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=15.39 mas, bmaj=45.06 mas, bpa=21.71 degrees ! Estimated noise=2.03136 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 = 0.00335803 Jy ! Component: 100 - total flux cleaned = 0.00422344 Jy ! Component: 150 - total flux cleaned = 0.00469462 Jy ! Component: 200 - total flux cleaned = 0.00477589 Jy ! Total flux subtracted in 200 components = 0.00477589 Jy ! Clean residual min=-0.001015 max=0.001006 Jy/beam ! Clean residual mean=0.000067 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.0441469 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 143 components and 0.0441469 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.045775Jy sigma=0.942282 ! Fit after self-cal, rms=0.045778Jy sigma=0.942204 ! 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=0.045778Jy sigma=0.942204 ! Fit after self-cal, rms=0.041683Jy sigma=0.857590 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 = 0.00103121 Jy ! Component: 100 - total flux cleaned = 0.00102468 Jy ! Component: 150 - total flux cleaned = 0.000912845 Jy ! Component: 200 - total flux cleaned = 0.000632078 Jy ! Total flux subtracted in 200 components = 0.000632078 Jy ! Clean residual min=-0.000577 max=0.000578 Jy/beam ! Clean residual mean=-0.000023 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.044779 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 55 model components to the UV plane model. ! The established model now contains 198 components and 0.044779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.041457Jy sigma=0.853509 ! Fit after self-cal, rms=0.041331Jy sigma=0.849498 ! 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: 15.39 x 45.06 at 21.71 degrees (North through East) ! Clean map min=-0.0042338 max=0.054937 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=16.09 mas, bmaj=44.66 mas, bpa=21.33 degrees ! Estimated noise=2.03659 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 = -0.000235916 Jy ! Component: 100 - total flux cleaned = -0.000351537 Jy ! Component: 150 - total flux cleaned = -0.000564635 Jy ! Component: 200 - total flux cleaned = -0.000694628 Jy ! Total flux subtracted in 200 components = -0.000694628 Jy ! Clean residual min=-0.000271 max=0.000269 Jy/beam ! Clean residual mean=-0.000027 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.0440844 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 84 model components to the UV plane model. ! The established model now contains 279 components and 0.0440844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.041289Jy sigma=0.848888 ! Fit after self-cal, rms=0.041300Jy sigma=0.848478 ! 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=12.62 mas, bmaj=50.87 mas, bpa=24.56 degrees ! Estimated noise=2.26539 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0491803 Jy ! Component: 100 - total flux cleaned = 0.0511226 Jy ! Component: 150 - total flux cleaned = 0.0551685 Jy ! Component: 200 - total flux cleaned = 0.0572038 Jy ! Total flux subtracted in 200 components = 0.0572038 Jy ! Clean residual min=-0.002912 max=0.002937 Jy/beam ! Clean residual mean=0.000091 rms=0.001239 Jy/beam ! Combined flux in latest and established models = 0.0572038 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 63 model components to the UV plane model. ! The established model now contains 63 components and 0.0572038 Jy ! Inverting map and beam ! Estimated beam: bmin=15.39 mas, bmaj=45.06 mas, bpa=21.71 degrees ! Estimated noise=2.03136 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 = 0.000797889 Jy ! Component: 100 - total flux cleaned = 0.00156725 Jy ! Component: 150 - total flux cleaned = 0.00219086 Jy ! Component: 200 - total flux cleaned = 0.00311242 Jy ! Total flux subtracted in 200 components = 0.00311242 Jy ! Clean residual min=-0.000599 max=0.000610 Jy/beam ! Clean residual mean=-0.000007 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.0603162 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 142 components and 0.0603162 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=16.09 mas, bmaj=44.66 mas, bpa=21.33 degrees ! Estimated noise=2.03659 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 = 0.000603882 Jy ! Component: 100 - total flux cleaned = 0.000977613 Jy ! Component: 150 - total flux cleaned = 0.00100451 Jy ! Component: 200 - total flux cleaned = 0.000909619 Jy ! Total flux subtracted in 200 components = 0.000909619 Jy ! Clean residual min=-0.000294 max=0.000297 Jy/beam ! Clean residual mean=-0.000016 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0612258 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 203 components and 0.0612258 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=15.39 mas, bmaj=45.06 mas, bpa=21.71 degrees ! Estimated noise=2.03136 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000344786 Jy ! Component: 100 - total flux cleaned = -0.000546605 Jy ! Component: 150 - total flux cleaned = -0.000759665 Jy ! Component: 200 - total flux cleaned = -0.000905127 Jy ! Total flux subtracted in 200 components = -0.000905127 Jy ! Clean residual min=-0.000255 max=0.000254 Jy/beam ! Clean residual mean=-0.000020 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.0603207 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 252 components and 0.0603207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.041294Jy sigma=0.848422 ! Fit after self-cal, rms=0.041296Jy sigma=0.848291 wmodel J0835+8350_S_2006_02_14_yyk\_map.mod ! Writing 252 model components to file: J0835+8350_S_2006_02_14_yyk_map.mod wobs J0835+8350_S_2006_02_14_yyk\_uvs.fits ! Writing UV FITS file: J0835+8350_S_2006_02_14_yyk_uvs.fits wwins J0835+8350_S_2006_02_14_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0835+8350_S_2006_02_14_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 15.39 x 45.06 at 21.71 degrees (North through East) ! Clean map min=-0.0034739 max=0.056011 Jy/beam ! Writing clean map to FITS file: J0835+8350_S_2006_02_14_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0560107 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000119258 device "J0835+8350_S_2006_02_14_yyk\_map.eps/VPS" ! Attempting to open device: 'J0835+8350_S_2006_02_14_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.638762 0.638762 1.27752 2.55505 5.1101 10.2202 20.4404 40.8808 81.7616 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.056 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 15.39 x 45.06 at 21.71 degrees (North through East) ! Clean map min=-0.0034739 max=0.056011 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0835+8350_S_2006_02_14_yyk\_map.gif/gif" ! Attempting to open device: 'J0835+8350_S_2006_02_14_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0835+8350_S_2006_02_14_yyk_uvs.log closed on Wed Jul 5 11:47:17 2006