! Started logfile: J0847-0520_X_2004_05_08_yyk_uvs.log on Wed Dec 7 00:11:41 2005 obs J0847-0520_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J0847-0520_X_2004_05_08_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.828889 visibilities/baseline/integration-bin. ! Found source: J0847-0520 ! ! 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 1432 lines of history. ! ! Reading 1492 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 J0847-0520_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)= 0.434617 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 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.577687Jy sigma=10.713419 ! Fit after self-cal, rms=0.577634Jy sigma=10.712334 ! 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 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7277 mas, bmaj=1.78 mas, bpa=-3.345 degrees ! Estimated noise=1.32779 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 = 0.364185 Jy ! Component: 100 - total flux cleaned = 0.423034 Jy ! Total flux subtracted in 100 components = 0.423034 Jy ! Clean residual min=-0.010395 max=0.015477 Jy/beam ! Clean residual mean=-0.000055 rms=0.002626 Jy/beam ! Combined flux in latest and established models = 0.423034 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.423034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073577Jy sigma=1.223089 ! Fit after self-cal, rms=0.073527Jy sigma=1.222447 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0219577 Jy ! Component: 100 - total flux cleaned = 0.0334399 Jy ! Total flux subtracted in 100 components = 0.0334399 Jy ! Clean residual min=-0.008366 max=0.006704 Jy/beam ! Clean residual mean=-0.000023 rms=0.001966 Jy/beam ! Combined flux in latest and established models = 0.456474 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 31 components and 0.456474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068273Jy sigma=1.108371 ! Fit after self-cal, rms=0.068280Jy sigma=1.108187 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8929 mas, bmaj=2.15 mas, bpa=-0.9667 degrees ! Estimated noise=0.994233 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 = 0.00544813 Jy ! Component: 100 - total flux cleaned = 0.00586719 Jy ! Component: 150 - total flux cleaned = 0.00598144 Jy ! Component: 200 - total flux cleaned = 0.00607703 Jy ! Total flux subtracted in 200 components = 0.00607703 Jy ! Clean residual min=-0.006592 max=0.005173 Jy/beam ! Clean residual mean=-0.000012 rms=0.001585 Jy/beam ! Combined flux in latest and established models = 0.462551 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 43 components and 0.462551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067755Jy sigma=1.098659 ! Fit after self-cal, rms=0.067715Jy sigma=1.098367 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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: 0.999286 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.00 KP 1.01 ! LA 1.00 MK 1.00 NL 1.02 OV 1.01 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00733 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.01 KP 0.93 ! LA 0.99 MK 1.02 NL 0.99 OV 0.99 ! PT 1.04 SC 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.997832 ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.06 HN 0.92 KP 0.88 ! LA 0.98 MK 1.05 NL 0.97 OV 1.03 ! PT 1.06 SC 1.00 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.979689 ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.06 HN 0.96 KP 0.94 ! LA 0.98 MK 1.06 NL 0.97 OV 1.06 ! PT 1.11 SC 1.03 ! ! ! Fit before self-cal, rms=0.067715Jy sigma=1.098367 ! Fit after self-cal, rms=0.062897Jy sigma=1.012958 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=0.062897Jy sigma=1.012958 ! Fit after self-cal, rms=0.062901Jy sigma=1.012938 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.8997 mas, bmaj=2.167 mas, bpa=-0.7423 degrees ! Estimated noise=0.989108 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 = -0.00299893 Jy ! Component: 100 - total flux cleaned = -0.00313546 Jy ! Component: 150 - total flux cleaned = -0.00303177 Jy ! Component: 200 - total flux cleaned = -0.00294385 Jy ! Total flux subtracted in 200 components = -0.00294385 Jy ! Clean residual min=-0.003975 max=0.003599 Jy/beam ! Clean residual mean=-0.000011 rms=0.001015 Jy/beam ! Combined flux in latest and established models = 0.459607 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 55 components and 0.459607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062757Jy sigma=1.009901 ! Fit after self-cal, rms=0.062725Jy sigma=1.009686 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.062725Jy sigma=1.009686 ! Fit after self-cal, rms=0.060799Jy sigma=0.975815 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 9.72662e-05 Jy ! Component: 100 - total flux cleaned = 0.000219323 Jy ! Component: 150 - total flux cleaned = 0.000254481 Jy ! Component: 200 - total flux cleaned = 0.000286841 Jy ! Total flux subtracted in 200 components = 0.000286841 Jy ! Clean residual min=-0.003921 max=0.003448 Jy/beam ! Clean residual mean=-0.000011 rms=0.001007 Jy/beam ! Combined flux in latest and established models = 0.459894 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 0.459894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060767Jy sigma=0.974981 ! Fit after self-cal, rms=0.060620Jy sigma=0.972718 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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: 0.8997 x 2.167 at -0.7423 degrees (North through East) ! Clean map min=-0.0036399 max=0.42172 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=0.060620Jy sigma=0.972718 ! Fit after self-cal, rms=0.059986Jy sigma=0.952043 ! 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=0.059986Jy sigma=0.952043 ! Fit after self-cal, rms=0.059977Jy sigma=0.951876 ! Inverting map and beam ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.9009 mas, bmaj=2.173 mas, bpa=-0.8284 degrees ! Estimated noise=0.989671 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000303697 Jy ! Component: 100 - total flux cleaned = -0.000266117 Jy ! Component: 150 - total flux cleaned = -0.00020105 Jy ! Component: 200 - total flux cleaned = -0.00014537 Jy ! Total flux subtracted in 200 components = -0.000145371 Jy ! Clean residual min=-0.003841 max=0.003388 Jy/beam ! Clean residual mean=-0.000010 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 0.459748 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 60 components and 0.459748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059943Jy sigma=0.951123 ! Fit after self-cal, rms=0.059931Jy sigma=0.951032 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.059931Jy sigma=0.951032 ! Fit after self-cal, rms=0.058974Jy sigma=0.932059 ! 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=0.058974Jy sigma=0.932059 ! Fit after self-cal, rms=0.058973Jy sigma=0.932054 ! Inverting map and beam ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.9026 mas, bmaj=2.177 mas, bpa=-0.8346 degrees ! Estimated noise=0.990088 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000344834 Jy ! Component: 100 - total flux cleaned = -0.000373893 Jy ! Component: 150 - total flux cleaned = -0.000326016 Jy ! Component: 200 - total flux cleaned = -0.0002854 Jy ! Total flux subtracted in 200 components = -0.0002854 Jy ! Clean residual min=-0.003876 max=0.003299 Jy/beam ! Clean residual mean=-0.000009 rms=0.000892 Jy/beam ! Combined flux in latest and established models = 0.459463 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 64 components and 0.459463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058951Jy sigma=0.931643 ! Fit after self-cal, rms=0.058944Jy sigma=0.931591 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.097 mas, bmaj=3.651 mas, bpa=-3.858 degrees ! Estimated noise=1.26519 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 = 2.79711e-05 Jy ! Component: 100 - total flux cleaned = -0.00017834 Jy ! Component: 150 - total flux cleaned = -0.000339194 Jy ! Component: 200 - total flux cleaned = -0.000444646 Jy ! Total flux subtracted in 200 components = -0.000444646 Jy ! Clean residual min=-0.004128 max=0.004227 Jy/beam ! Clean residual mean=-0.000018 rms=0.001111 Jy/beam ! Combined flux in latest and established models = 0.459018 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 64 components and 0.459018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058940Jy sigma=0.931867 ! Fit after self-cal, rms=0.058916Jy sigma=0.931494 ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7325 mas, bmaj=1.792 mas, bpa=-3.244 degrees ! Estimated noise=1.32776 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.364422 Jy ! Component: 100 - total flux cleaned = 0.422305 Jy ! Component: 150 - total flux cleaned = 0.441135 Jy ! Component: 200 - total flux cleaned = 0.44992 Jy ! Total flux subtracted in 200 components = 0.44992 Jy ! Clean residual min=-0.004635 max=0.004975 Jy/beam ! Clean residual mean=-0.000016 rms=0.001192 Jy/beam ! Combined flux in latest and established models = 0.44992 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.44992 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.9026 mas, bmaj=2.177 mas, bpa=-0.8346 degrees ! Estimated noise=0.990088 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 = 0.00584606 Jy ! Component: 100 - total flux cleaned = 0.00827683 Jy ! Component: 150 - total flux cleaned = 0.0088349 Jy ! Component: 200 - total flux cleaned = 0.0089281 Jy ! Total flux subtracted in 200 components = 0.0089281 Jy ! Clean residual min=-0.003808 max=0.003442 Jy/beam ! Clean residual mean=-0.000010 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.458848 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 37 components and 0.458848 Jy ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.097 mas, bmaj=3.651 mas, bpa=-3.858 degrees ! Estimated noise=1.26519 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 = 0.000364612 Jy ! Component: 100 - total flux cleaned = 0.000177442 Jy ! Component: 150 - total flux cleaned = 3.08379e-06 Jy ! Component: 200 - total flux cleaned = -0.000123509 Jy ! Total flux subtracted in 200 components = -0.000123509 Jy ! Clean residual min=-0.004147 max=0.004200 Jy/beam ! Clean residual mean=-0.000019 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 0.458725 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 40 components and 0.458725 Jy ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.9026 mas, bmaj=2.177 mas, bpa=-0.8346 degrees ! Estimated noise=0.990088 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000152366 Jy ! Component: 100 - total flux cleaned = 0.000263724 Jy ! Component: 150 - total flux cleaned = 0.000358972 Jy ! Component: 200 - total flux cleaned = 0.000442381 Jy ! Total flux subtracted in 200 components = 0.000442381 Jy ! Clean residual min=-0.003893 max=0.003416 Jy/beam ! Clean residual mean=-0.000009 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.459167 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 44 components and 0.459167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058946Jy sigma=0.932618 ! Fit after self-cal, rms=0.058923Jy sigma=0.932404 wmodel J0847-0520_X_2004_05_08_yyk\_map.mod ! Writing 44 model components to file: J0847-0520_X_2004_05_08_yyk_map.mod wobs J0847-0520_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J0847-0520_X_2004_05_08_yyk_uvs.fits wwins J0847-0520_X_2004_05_08_yyk\_map.win ! wwins: Wrote 1 windows to J0847-0520_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 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00098548 Jy ! Component: 100 - total flux cleaned = -0.000865414 Jy ! Component: 150 - total flux cleaned = -0.000645519 Jy ! Component: 200 - total flux cleaned = -0.000382927 Jy ! Component: 250 - total flux cleaned = -0.000130755 Jy ! Component: 300 - total flux cleaned = 0.000304032 Jy ! Component: 350 - total flux cleaned = 0.000584611 Jy ! Component: 400 - total flux cleaned = 0.000766571 Jy ! Component: 450 - total flux cleaned = 0.00107742 Jy ! Component: 500 - total flux cleaned = 0.0014224 Jy ! Component: 550 - total flux cleaned = 0.00176105 Jy ! Component: 600 - total flux cleaned = 0.00213376 Jy ! Component: 650 - total flux cleaned = 0.00237818 Jy ! Component: 700 - total flux cleaned = 0.00269675 Jy ! Component: 750 - total flux cleaned = 0.00304731 Jy ! Component: 800 - total flux cleaned = 0.00320022 Jy ! Component: 850 - total flux cleaned = 0.00346318 Jy ! Component: 900 - total flux cleaned = 0.00361009 Jy ! Component: 950 - total flux cleaned = 0.00364635 Jy ! Component: 1000 - total flux cleaned = 0.00368266 Jy ! Component: 1050 - total flux cleaned = 0.00389243 Jy ! Component: 1100 - total flux cleaned = 0.00385794 Jy ! Component: 1150 - total flux cleaned = 0.00402664 Jy ! Component: 1200 - total flux cleaned = 0.00395927 Jy ! Component: 1250 - total flux cleaned = 0.00395959 Jy ! Component: 1300 - total flux cleaned = 0.0039918 Jy ! Component: 1350 - total flux cleaned = 0.00402339 Jy ! Component: 1400 - total flux cleaned = 0.00396011 Jy ! Component: 1450 - total flux cleaned = 0.00405323 Jy ! Component: 1500 - total flux cleaned = 0.00402277 Jy ! Component: 1550 - total flux cleaned = 0.00414305 Jy ! Component: 1600 - total flux cleaned = 0.00408391 Jy ! Component: 1650 - total flux cleaned = 0.00411343 Jy ! Component: 1700 - total flux cleaned = 0.00422955 Jy ! Component: 1750 - total flux cleaned = 0.00414328 Jy ! Component: 1800 - total flux cleaned = 0.00411521 Jy ! Component: 1850 - total flux cleaned = 0.00419914 Jy ! Component: 1900 - total flux cleaned = 0.00411611 Jy ! Component: 1950 - total flux cleaned = 0.00428086 Jy ! Component: 2000 - total flux cleaned = 0.00419911 Jy ! Total flux subtracted in 2048 components = 0.0041992 Jy ! Clean residual min=-0.001796 max=0.001639 Jy/beam ! Clean residual mean=-0.000007 rms=0.000499 Jy/beam ! Combined flux in latest and established models = 0.463366 Jy keep ! Adding 152 model components to the UV plane model. ! The established model now contains 196 components and 0.463366 Jy ![Exited script file: muppet] wmap "J0847-0520_X_2004_05_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9026 x 2.177 at -0.8346 degrees (North through East) ! Clean map min=-0.0021462 max=0.42323 Jy/beam ! Writing clean map to FITS file: J0847-0520_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 0.423227 invert ! Inverting map ! Your choice of large map pixels excluded 0.275% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000491344 device "J0847-0520_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J0847-0520_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.348284 0.348284 0.696567 1.39313 2.78627 5.57254 11.1451 22.2901 44.5803 89.1606 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.423 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9026 x 2.177 at -0.8346 degrees (North through East) ! Clean map min=-0.0021462 max=0.42323 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0847-0520_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J0847-0520_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0847-0520_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:11:45 2005