! Started logfile: J2310+8857_X_2006_02_16_yyk_uvs.log on Wed Jul 5 14:08:40 2006 obs J2310+8857_X_2006_02_16_yyk_uva.fits ! Reading UV FITS file: J2310+8857_X_2006_02_16_yyk_uva.fits ! AN table 1: 876 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.464739 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2310+8857 ! ! 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 2424 lines of history. ! ! Reading 73280 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 J2310+8857_X_2006_02_16_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 0.200x0.200 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)= 0.0845887 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=1.041 mas, bmaj=5.554 mas, bpa=27.26 degrees ! Estimated noise=2.27038 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 = 0.0493934 Jy ! Component: 100 - total flux cleaned = 0.0660343 Jy ! Total flux subtracted in 100 components = 0.0660343 Jy ! Clean residual min=-0.006036 max=0.006082 Jy/beam ! Clean residual mean=0.000003 rms=0.002098 Jy/beam ! Combined flux in latest and established models = 0.0660343 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 31 components and 0.0660343 Jy ! ! Correcting IF 1. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 80 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.055597Jy sigma=1.150067 ! Fit after self-cal, rms=0.055441Jy sigma=1.144865 ! Inverting map and beam ! Estimated beam: bmin=1.041 mas, bmaj=5.554 mas, bpa=27.26 degrees ! Estimated noise=2.27038 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=1.65 mas, bmaj=7.607 mas, bpa=27.7 degrees ! Estimated noise=1.1607 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 = 0.00871268 Jy ! Component: 100 - total flux cleaned = 0.0122603 Jy ! Component: 150 - total flux cleaned = 0.0129336 Jy ! Component: 200 - total flux cleaned = 0.0127869 Jy ! Total flux subtracted in 200 components = 0.0127869 Jy ! Clean residual min=-0.001657 max=0.001649 Jy/beam ! Clean residual mean=-0.000042 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 0.0788212 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 88 components and 0.0788212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053735Jy sigma=1.105813 ! Fit after self-cal, rms=0.053759Jy sigma=1.105457 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.65 x 7.607 at 27.7 degrees (North through East) ! Clean map min=-0.0031861 max=0.052816 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: 0.994979 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.04 HN 1.00* KP 1.11 ! LA 0.95 MK 1.00* NL 1.00* OV 0.92 ! PT 1.03 SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01647 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 1.00* KP 0.94 ! LA 1.03 MK 0.97 NL 1.00* OV 1.04 ! PT 0.91 SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.0271 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 HN 1.00* KP 0.85 ! LA 1.01 MK 1.00* NL 1.00* OV 0.93 ! PT 0.99 SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.987197 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.11 HN 1.00* KP 0.94 ! LA 1.00 MK 1.00* NL 1.00* OV 1.03 ! PT 1.04 SC 1.00* ! ! ! Fit before self-cal, rms=0.053759Jy sigma=1.105457 ! Fit after self-cal, rms=0.052966Jy sigma=1.098678 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=0.052966Jy sigma=1.098678 ! Fit after self-cal, rms=0.052994Jy sigma=1.098876 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.629 mas, bmaj=7.533 mas, bpa=27.78 degrees ! Estimated noise=1.14497 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 = 0.000156124 Jy ! Component: 100 - total flux cleaned = 0.000399619 Jy ! Component: 150 - total flux cleaned = 0.000776549 Jy ! Component: 200 - total flux cleaned = 0.000846584 Jy ! Total flux subtracted in 200 components = 0.000846584 Jy ! Clean residual min=-0.000840 max=0.000845 Jy/beam ! Clean residual mean=-0.000017 rms=0.000318 Jy/beam ! Combined flux in latest and established models = 0.0796678 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 120 components and 0.0796678 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052811Jy sigma=1.095236 ! Fit after self-cal, rms=0.052855Jy sigma=1.095760 ! 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=0.052855Jy sigma=1.095760 ! Fit after self-cal, rms=0.044462Jy sigma=0.915271 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 = 0.00401973 Jy ! Component: 100 - total flux cleaned = 0.00276061 Jy ! Component: 150 - total flux cleaned = 0.00167404 Jy ! Component: 200 - total flux cleaned = 0.0013642 Jy ! Total flux subtracted in 200 components = 0.0013642 Jy ! Clean residual min=-0.000922 max=0.000923 Jy/beam ! Clean residual mean=-0.000017 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.081032 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 161 components and 0.081032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.043854Jy sigma=0.901512 ! Fit after self-cal, rms=0.043520Jy sigma=0.895060 ! 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: 1.629 x 7.533 at 27.78 degrees (North through East) ! Clean map min=-0.0026516 max=0.055999 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=3.247 mas, bmaj=8.584 mas, bpa=34.01 degrees ! Estimated noise=1.21255 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 = -0.000469409 Jy ! Component: 100 - total flux cleaned = -0.0014973 Jy ! Component: 150 - total flux cleaned = -0.00228796 Jy ! Component: 200 - total flux cleaned = -0.00279953 Jy ! Total flux subtracted in 200 components = -0.00279953 Jy ! Clean residual min=-0.000572 max=0.000558 Jy/beam ! Clean residual mean=-0.000011 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0782325 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 210 components and 0.0782325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.043434Jy sigma=0.893365 ! Fit after self-cal, rms=0.043388Jy sigma=0.892718 ! 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=1.033 mas, bmaj=5.549 mas, bpa=27.3 degrees ! Estimated noise=2.2335 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0534814 Jy ! Component: 100 - total flux cleaned = 0.0710009 Jy ! Component: 150 - total flux cleaned = 0.0764169 Jy ! Component: 200 - total flux cleaned = 0.078661 Jy ! Total flux subtracted in 200 components = 0.078661 Jy ! Clean residual min=-0.004177 max=0.004233 Jy/beam ! Clean residual mean=0.000011 rms=0.001502 Jy/beam ! Combined flux in latest and established models = 0.078661 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 49 model components to the UV plane model. ! The established model now contains 49 components and 0.078661 Jy ! Inverting map and beam ! Estimated beam: bmin=1.629 mas, bmaj=7.533 mas, bpa=27.78 degrees ! Estimated noise=1.14497 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 = 0.00204033 Jy ! Component: 100 - total flux cleaned = 0.00277582 Jy ! Component: 150 - total flux cleaned = 0.0027869 Jy ! Component: 200 - total flux cleaned = 0.00255537 Jy ! Total flux subtracted in 200 components = 0.00255537 Jy ! Clean residual min=-0.001325 max=0.001350 Jy/beam ! Clean residual mean=-0.000031 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.0812164 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 115 components and 0.0812164 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=3.247 mas, bmaj=8.584 mas, bpa=34.01 degrees ! Estimated noise=1.21255 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 = -0.000148513 Jy ! Component: 100 - total flux cleaned = -0.000272498 Jy ! Component: 150 - total flux cleaned = -0.000774319 Jy ! Component: 200 - total flux cleaned = -0.00119453 Jy ! Total flux subtracted in 200 components = -0.00119453 Jy ! Clean residual min=-0.000661 max=0.000636 Jy/beam ! Clean residual mean=-0.000018 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.0800219 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 164 components and 0.0800219 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.629 mas, bmaj=7.533 mas, bpa=27.78 degrees ! Estimated noise=1.14497 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000792694 Jy ! Component: 100 - total flux cleaned = -0.00197547 Jy ! Component: 150 - total flux cleaned = -0.00292937 Jy ! Component: 200 - total flux cleaned = -0.00354593 Jy ! Total flux subtracted in 200 components = -0.00354593 Jy ! Clean residual min=-0.000645 max=0.000638 Jy/beam ! Clean residual mean=-0.000019 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.076476 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 202 components and 0.0764759 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.043260Jy sigma=0.890695 ! Fit after self-cal, rms=0.043223Jy sigma=0.890092 wmodel J2310+8857_X_2006_02_16_yyk\_map.mod ! Writing 202 model components to file: J2310+8857_X_2006_02_16_yyk_map.mod wobs J2310+8857_X_2006_02_16_yyk\_uvs.fits ! Writing UV FITS file: J2310+8857_X_2006_02_16_yyk_uvs.fits wwins J2310+8857_X_2006_02_16_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J2310+8857_X_2006_02_16_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.629 x 7.533 at 27.78 degrees (North through East) ! Clean map min=-0.0029943 max=0.05337 Jy/beam ! Writing clean map to FITS file: J2310+8857_X_2006_02_16_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0533704 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000213854 device "J2310+8857_X_2006_02_16_yyk\_map.eps/VPS" ! Attempting to open device: 'J2310+8857_X_2006_02_16_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.20209 1.20209 2.40419 4.80838 9.61676 19.2335 38.467 76.934 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.053 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.629 x 7.533 at 27.78 degrees (North through East) ! Clean map min=-0.0029943 max=0.05337 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2310+8857_X_2006_02_16_yyk\_map.gif/gif" ! Attempting to open device: 'J2310+8857_X_2006_02_16_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J2310+8857_X_2006_02_16_yyk_uvs.log closed on Wed Jul 5 14:09:02 2006