! Started logfile: J1357-1527_X_2004_05_08_yyk_uvs.log on Wed Dec 7 00:29:16 2005 obs J1357-1527_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J1357-1527_X_2004_05_08_yyk_uve.fits ! AN table 1: 9 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.634568 visibilities/baseline/integration-bin. ! Found source: J1357-1527 ! ! 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 1434 lines of history. ! ! Reading 1028 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 J1357-1527_X_2004_05_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 = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 1.24481 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 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 22 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.542822Jy sigma=9.178072 ! Fit after self-cal, rms=0.262995Jy sigma=4.879736 ! 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 ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6158 mas, bmaj=1.698 mas, bpa=-0.7586 degrees ! Estimated noise=1.66182 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 = 1.05928 Jy ! Component: 100 - total flux cleaned = 1.20431 Jy ! Total flux subtracted in 100 components = 1.20431 Jy ! Clean residual min=-0.016495 max=0.033592 Jy/beam ! Clean residual mean=0.000017 rms=0.005325 Jy/beam ! Combined flux in latest and established models = 1.20431 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.20431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111496Jy sigma=1.962958 ! Fit after self-cal, rms=0.111390Jy sigma=1.961777 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.047277 Jy ! Component: 100 - total flux cleaned = 0.0708303 Jy ! Total flux subtracted in 100 components = 0.0708303 Jy ! Clean residual min=-0.014770 max=0.016396 Jy/beam ! Clean residual mean=-0.000011 rms=0.003564 Jy/beam ! Combined flux in latest and established models = 1.27514 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 19 components and 1.27514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091141Jy sigma=1.547222 ! Fit after self-cal, rms=0.091119Jy sigma=1.545289 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec 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 ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7637 mas, bmaj=1.951 mas, bpa=2.072 degrees ! Estimated noise=1.20108 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 = 0.0170733 Jy ! Component: 100 - total flux cleaned = 0.0239928 Jy ! Component: 150 - total flux cleaned = 0.026941 Jy ! Component: 200 - total flux cleaned = 0.0279095 Jy ! Total flux subtracted in 200 components = 0.0279095 Jy ! Clean residual min=-0.012652 max=0.011430 Jy/beam ! Clean residual mean=-0.000007 rms=0.003274 Jy/beam ! Combined flux in latest and established models = 1.30305 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 37 components and 1.30305 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088970Jy sigma=1.504047 ! Fit after self-cal, rms=0.088969Jy sigma=1.503813 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec 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: 1.00844 ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.01 KP 1.00* ! LA 0.98 MK 0.99 NL 1.00 OV 1.02 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01039 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.01 KP 1.00* ! LA 0.97 MK 1.00 NL 0.99 OV 0.97 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.994272 ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 0.92 KP 1.00* ! LA 0.98 MK 1.02 NL 0.98 OV 1.02 ! PT 1.05 SC 1.02 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.978204 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.97 KP 1.00* ! LA 0.98 MK 1.02 NL 0.99 OV 1.03 ! PT 1.11 SC 1.04 ! ! ! Fit before self-cal, rms=0.088969Jy sigma=1.503813 ! Fit after self-cal, rms=0.074006Jy sigma=1.215842 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=0.074006Jy sigma=1.215842 ! Fit after self-cal, rms=0.073998Jy sigma=1.215615 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7647 mas, bmaj=1.957 mas, bpa=2.01 degrees ! Estimated noise=1.19954 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 = -0.00258043 Jy ! Component: 100 - total flux cleaned = -0.00252154 Jy ! Component: 150 - total flux cleaned = -0.00242926 Jy ! Component: 200 - total flux cleaned = -0.00239071 Jy ! Total flux subtracted in 200 components = -0.00239071 Jy ! Clean residual min=-0.007365 max=0.009430 Jy/beam ! Clean residual mean=-0.000007 rms=0.001946 Jy/beam ! Combined flux in latest and established models = 1.30066 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 41 components and 1.30066 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073904Jy sigma=1.213397 ! Fit after self-cal, rms=0.073897Jy sigma=1.213154 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec 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=0.073897Jy sigma=1.213154 ! Fit after self-cal, rms=0.068961Jy sigma=1.129284 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec 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 (19.4, -20.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00809775 Jy ! Component: 100 - total flux cleaned = 0.0107194 Jy ! Component: 150 - total flux cleaned = 0.0108823 Jy ! Component: 200 - total flux cleaned = 0.0107688 Jy ! Total flux subtracted in 200 components = 0.0107688 Jy ! Clean residual min=-0.006605 max=0.006749 Jy/beam ! Clean residual mean=0.000004 rms=0.001689 Jy/beam ! Combined flux in latest and established models = 1.31142 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 62 components and 1.31142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067848Jy sigma=1.102453 ! Fit after self-cal, rms=0.067441Jy sigma=1.094284 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec 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: 0.7647 x 1.957 at 2.01 degrees (North through East) ! Clean map min=-0.0055025 max=1.2347 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 ! Performing amp+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=0.067441Jy sigma=1.094284 ! Fit after self-cal, rms=0.060558Jy sigma=0.937707 ! 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=0.060558Jy sigma=0.937707 ! Fit after self-cal, rms=0.060538Jy sigma=0.937253 ! Inverting map and beam ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7651 mas, bmaj=1.959 mas, bpa=1.972 degrees ! Estimated noise=1.20013 mJy/beam. ! Added new window around map position (-9, 16.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00582606 Jy ! Component: 100 - total flux cleaned = 0.00597738 Jy ! Component: 150 - total flux cleaned = 0.00587558 Jy ! Component: 200 - total flux cleaned = 0.00587981 Jy ! Total flux subtracted in 200 components = 0.00587981 Jy ! Clean residual min=-0.003325 max=0.003516 Jy/beam ! Clean residual mean=0.000001 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 1.3173 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 82 components and 1.3173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059793Jy sigma=0.924675 ! Fit after self-cal, rms=0.059787Jy sigma=0.924289 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Performing amp+phase self-cal over 1 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059787Jy sigma=0.924289 ! Fit after self-cal, rms=0.058903Jy sigma=0.903571 ! 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=0.058903Jy sigma=0.903571 ! Fit after self-cal, rms=0.058905Jy sigma=0.903565 ! Inverting map and beam ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7649 mas, bmaj=1.959 mas, bpa=1.956 degrees ! Estimated noise=1.19972 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000265246 Jy ! Component: 100 - total flux cleaned = 0.000183311 Jy ! Component: 150 - total flux cleaned = 0.000112663 Jy ! Component: 200 - total flux cleaned = -1.87694e-05 Jy ! Total flux subtracted in 200 components = -1.87694e-05 Jy ! Clean residual min=-0.003166 max=0.003276 Jy/beam ! Clean residual mean=-0.000002 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 1.31729 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 95 components and 1.31729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058727Jy sigma=0.900287 ! Fit after self-cal, rms=0.058712Jy sigma=0.900151 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! ************** FINISHED AMPLITUDE SELF-CAL ************** 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 ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=1.938 mas, bmaj=4.332 mas, bpa=9.222 degrees ! Estimated noise=1.63041 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 = -0.00146637 Jy ! Component: 100 - total flux cleaned = -0.00152385 Jy ! Component: 150 - total flux cleaned = -0.00147715 Jy ! Component: 200 - total flux cleaned = -0.00143265 Jy ! Total flux subtracted in 200 components = -0.00143265 Jy ! Clean residual min=-0.004078 max=0.003417 Jy/beam ! Clean residual mean=-0.000003 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 1.31585 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 103 components and 1.31585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058744Jy sigma=0.900631 ! Fit after self-cal, rms=0.058705Jy sigma=0.900307 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec 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 ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6161 mas, bmaj=1.702 mas, bpa=-0.8702 degrees ! Estimated noise=1.66742 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 1.0631 Jy ! Component: 100 - total flux cleaned = 1.20789 Jy ! Component: 150 - total flux cleaned = 1.25329 Jy ! Component: 200 - total flux cleaned = 1.27549 Jy ! Total flux subtracted in 200 components = 1.27549 Jy ! Clean residual min=-0.007455 max=0.008448 Jy/beam ! Clean residual mean=-0.000006 rms=0.001797 Jy/beam ! Combined flux in latest and established models = 1.27549 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.27549 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7649 mas, bmaj=1.959 mas, bpa=1.956 degrees ! Estimated noise=1.19972 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 = 0.0161483 Jy ! Component: 100 - total flux cleaned = 0.0256356 Jy ! Component: 150 - total flux cleaned = 0.0322206 Jy ! Component: 200 - total flux cleaned = 0.0368937 Jy ! Total flux subtracted in 200 components = 0.0368937 Jy ! Clean residual min=-0.004108 max=0.003944 Jy/beam ! Clean residual mean=-0.000000 rms=0.001069 Jy/beam ! Combined flux in latest and established models = 1.31238 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 46 components and 1.31238 Jy ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec 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 ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=1.938 mas, bmaj=4.332 mas, bpa=9.222 degrees ! Estimated noise=1.63041 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 = 0.00321143 Jy ! Component: 100 - total flux cleaned = 0.00378372 Jy ! Component: 150 - total flux cleaned = 0.00404253 Jy ! Component: 200 - total flux cleaned = 0.00390335 Jy ! Total flux subtracted in 200 components = 0.00390335 Jy ! Clean residual min=-0.003948 max=0.003433 Jy/beam ! Clean residual mean=-0.000002 rms=0.001095 Jy/beam ! Combined flux in latest and established models = 1.31629 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 1.31629 Jy ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.7649 mas, bmaj=1.959 mas, bpa=1.956 degrees ! Estimated noise=1.19972 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00027596 Jy ! Component: 100 - total flux cleaned = 0.000482783 Jy ! Component: 150 - total flux cleaned = 0.000480805 Jy ! Component: 200 - total flux cleaned = 0.000405014 Jy ! Total flux subtracted in 200 components = 0.000405014 Jy ! Clean residual min=-0.003338 max=0.003389 Jy/beam ! Clean residual mean=-0.000003 rms=0.000946 Jy/beam ! Combined flux in latest and established models = 1.31669 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 1.31669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058789Jy sigma=0.902092 ! Fit after self-cal, rms=0.058779Jy sigma=0.901510 wmodel J1357-1527_X_2004_05_08_yyk\_map.mod ! Writing 75 model components to file: J1357-1527_X_2004_05_08_yyk_map.mod wobs J1357-1527_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J1357-1527_X_2004_05_08_yyk_uvs.fits wwins J1357-1527_X_2004_05_08_yyk\_map.win ! wwins: Wrote 3 windows to J1357-1527_X_2004_05_08_yyk_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000753699 Jy ! Component: 100 - total flux cleaned = -0.00122527 Jy ! Component: 150 - total flux cleaned = -0.00161962 Jy ! Component: 200 - total flux cleaned = -0.00200027 Jy ! Component: 250 - total flux cleaned = -0.00236771 Jy ! Component: 300 - total flux cleaned = -0.00267137 Jy ! Component: 350 - total flux cleaned = -0.00296759 Jy ! Component: 400 - total flux cleaned = -0.00316074 Jy ! Component: 450 - total flux cleaned = -0.00334984 Jy ! Component: 500 - total flux cleaned = -0.00344083 Jy ! Component: 550 - total flux cleaned = -0.00348557 Jy ! Component: 600 - total flux cleaned = -0.00361737 Jy ! Component: 650 - total flux cleaned = -0.00370338 Jy ! Component: 700 - total flux cleaned = -0.00366057 Jy ! Component: 750 - total flux cleaned = -0.0037018 Jy ! Component: 800 - total flux cleaned = -0.00366099 Jy ! Component: 850 - total flux cleaned = -0.00378085 Jy ! Component: 900 - total flux cleaned = -0.00378089 Jy ! Component: 950 - total flux cleaned = -0.00381986 Jy ! Component: 1000 - total flux cleaned = -0.0039349 Jy ! Component: 1050 - total flux cleaned = -0.00408426 Jy ! Component: 1100 - total flux cleaned = -0.00412096 Jy ! Component: 1150 - total flux cleaned = -0.00415707 Jy ! Component: 1200 - total flux cleaned = -0.00426355 Jy ! Component: 1250 - total flux cleaned = -0.00415797 Jy ! Component: 1300 - total flux cleaned = -0.00415912 Jy ! Component: 1350 - total flux cleaned = -0.00419431 Jy ! Component: 1400 - total flux cleaned = -0.00419439 Jy ! Component: 1450 - total flux cleaned = -0.00406109 Jy ! Component: 1500 - total flux cleaned = -0.0039954 Jy ! Component: 1550 - total flux cleaned = -0.00393086 Jy ! Component: 1600 - total flux cleaned = -0.00393109 Jy ! Component: 1650 - total flux cleaned = -0.00386702 Jy ! Component: 1700 - total flux cleaned = -0.00374203 Jy ! Component: 1750 - total flux cleaned = -0.00377295 Jy ! Component: 1800 - total flux cleaned = -0.00377284 Jy ! Component: 1850 - total flux cleaned = -0.00368169 Jy ! Component: 1900 - total flux cleaned = -0.00359183 Jy ! Component: 1950 - total flux cleaned = -0.00362123 Jy ! Component: 2000 - total flux cleaned = -0.0034739 Jy ! Total flux subtracted in 2048 components = -0.00335794 Jy ! Clean residual min=-0.001517 max=0.001754 Jy/beam ! Clean residual mean=0.000001 rms=0.000529 Jy/beam ! Combined flux in latest and established models = 1.31333 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 215 components and 1.31333 Jy ![Exited script file: muppet] wmap "J1357-1527_X_2004_05_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7649 x 1.959 at 1.956 degrees (North through East) ! Clean map min=-0.0029581 max=1.2361 Jy/beam ! Writing clean map to FITS file: J1357-1527_X_2004_05_08_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.23611 invert ! Inverting map ! Your choice of large map pixels excluded 0.395% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000526051 device "J1357-1527_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J1357-1527_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.127671 0.127671 0.255341 0.510682 1.02136 2.04273 4.08546 8.17092 16.3418 32.6837 65.3673 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 1.236 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7649 x 1.959 at 1.956 degrees (North through East) ! Clean map min=-0.0029581 max=1.2361 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1357-1527_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J1357-1527_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1357-1527_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:29:20 2005