! Started logfile: J0849-3541_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:53:22 2007 obs J0849-3541_X_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0849-3541_X_2002_01_31_yyk_uva.fits ! AN table 1: 34 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.8 visibilities/baseline/integration-bin. ! Found source: J0849-3541 ! ! 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 8.40947e+09 8e+06 1 8e+06 ! 02 2 8.47947e+09 8e+06 1 8e+06 ! 03 3 8.79447e+09 8e+06 1 8e+06 ! 04 4 8.89947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1544 lines of history. ! ! Reading 4896 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 flag NL ! Flagging baselines of antenna 1:NL in the currently selected channels. ![@muppet J0849-3541_X_2002_01_31_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)= 0.32353 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 ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.6316 mas, bmaj=1.701 mas, bpa=4.927 degrees ! Estimated noise=2596.92 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 = 0.22618 Jy ! Component: 100 - total flux cleaned = 0.277242 Jy ! Total flux subtracted in 100 components = 0.277242 Jy ! Clean residual min=-0.017967 max=0.019671 Jy/beam ! Clean residual mean=-0.000156 rms=0.005231 Jy/beam ! Combined flux in latest and established models = 0.277242 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.277242 Jy ! ! Correcting IF 1. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.163381Jy sigma=0.001293 ! Fit after self-cal, rms=0.162884Jy sigma=0.001291 ! Inverting map and beam ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.6316 mas, bmaj=1.701 mas, bpa=4.927 degrees ! Estimated noise=2596.92 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 ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8365 mas, bmaj=2.161 mas, bpa=2.976 degrees ! Estimated noise=1376.05 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 = 0.0314231 Jy ! Component: 100 - total flux cleaned = 0.0409197 Jy ! Component: 150 - total flux cleaned = 0.0435869 Jy ! Component: 200 - total flux cleaned = 0.0437329 Jy ! Total flux subtracted in 200 components = 0.0437329 Jy ! Clean residual min=-0.013119 max=0.011912 Jy/beam ! Clean residual mean=-0.000013 rms=0.003587 Jy/beam ! Combined flux in latest and established models = 0.320975 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.320975 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159173Jy sigma=0.001257 ! Fit after self-cal, rms=0.159136Jy sigma=0.001257 ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8365 x 2.161 at 2.976 degrees (North through East) ! Clean map min=-0.012729 max=0.27734 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 0.997931 ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.92 HN 1.00* KP 1.03 ! LA 1.14 MK 1.06 NL 1.00* OV 0.93 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01214 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.94 HN 1.00* KP 0.96 ! LA 1.08 MK 0.98 NL 1.00* OV 0.95 ! PT 1.00 SC 1.01 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.998223 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.89 HN 1.00* KP 0.99 ! LA 1.11 MK 0.99 NL 1.00* OV 0.95 ! PT 1.03 SC 1.07 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.976465 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.84 HN 1.00* KP 1.08 ! LA 1.15 MK 1.00 NL 1.00* OV 1.01 ! PT 1.08 SC 0.99 ! ! ! Fit before self-cal, rms=0.159136Jy sigma=0.001257 ! Fit after self-cal, rms=0.157122Jy sigma=0.001238 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=0.157122Jy sigma=0.001238 ! Fit after self-cal, rms=0.157126Jy sigma=0.001238 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8455 mas, bmaj=2.181 mas, bpa=2.931 degrees ! Estimated noise=1367.03 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 = -0.00118486 Jy ! Component: 100 - total flux cleaned = -0.0014036 Jy ! Component: 150 - total flux cleaned = -0.00140195 Jy ! Component: 200 - total flux cleaned = -0.00140787 Jy ! Total flux subtracted in 200 components = -0.00140787 Jy ! Clean residual min=-0.005981 max=0.007958 Jy/beam ! Clean residual mean=-0.000146 rms=0.001765 Jy/beam ! Combined flux in latest and established models = 0.319567 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 26 components and 0.319567 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157047Jy sigma=0.001238 ! Fit after self-cal, rms=0.157036Jy sigma=0.001238 ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 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=0.157036Jy sigma=0.001238 ! Fit after self-cal, rms=0.154413Jy sigma=0.001217 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 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 = 0.000768859 Jy ! Component: 100 - total flux cleaned = 0.000758115 Jy ! Component: 150 - total flux cleaned = 0.00076526 Jy ! Component: 200 - total flux cleaned = 0.000766662 Jy ! Total flux subtracted in 200 components = 0.000766662 Jy ! Clean residual min=-0.006054 max=0.008169 Jy/beam ! Clean residual mean=-0.000148 rms=0.001769 Jy/beam ! Combined flux in latest and established models = 0.320334 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 31 components and 0.320334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154356Jy sigma=0.001217 ! Fit after self-cal, rms=0.154046Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Added new window around map position (-4.6, -5.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00553058 Jy ! Component: 100 - total flux cleaned = 0.00606429 Jy ! Component: 150 - total flux cleaned = 0.00616891 Jy ! Component: 200 - total flux cleaned = 0.00609144 Jy ! Total flux subtracted in 200 components = 0.00609144 Jy ! Clean residual min=-0.004891 max=0.005837 Jy/beam ! Clean residual mean=-0.000127 rms=0.001531 Jy/beam ! Combined flux in latest and established models = 0.326425 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.326425 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153711Jy sigma=0.001212 ! Fit after self-cal, rms=0.153692Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 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: 0.8455 x 2.181 at 2.931 degrees (North through East) ! Clean map min=-0.0046287 max=0.27766 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=0.153692Jy sigma=0.001211 ! Fit after self-cal, rms=0.154373Jy sigma=0.001210 ! 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=0.154373Jy sigma=0.001210 ! Fit after self-cal, rms=0.154395Jy sigma=0.001210 ! Inverting map and beam ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8448 mas, bmaj=2.182 mas, bpa=3.061 degrees ! Estimated noise=1366.37 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -5.48774e-05 Jy ! Component: 100 - total flux cleaned = 9.41616e-05 Jy ! Component: 150 - total flux cleaned = 9.14838e-05 Jy ! Component: 200 - total flux cleaned = 3.5305e-05 Jy ! Total flux subtracted in 200 components = 3.5305e-05 Jy ! Clean residual min=-0.004426 max=0.005385 Jy/beam ! Clean residual mean=-0.000113 rms=0.001413 Jy/beam ! Combined flux in latest and established models = 0.32646 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 0.32646 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154336Jy sigma=0.001210 ! Fit after self-cal, rms=0.154353Jy sigma=0.001210 ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 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=0.154353Jy sigma=0.001210 ! Fit after self-cal, rms=0.155124Jy sigma=0.001205 ! 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=0.155124Jy sigma=0.001205 ! Fit after self-cal, rms=0.155147Jy sigma=0.001205 ! Inverting map and beam ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8464 mas, bmaj=2.185 mas, bpa=3.189 degrees ! Estimated noise=1369.41 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000346575 Jy ! Component: 100 - total flux cleaned = 0.000523034 Jy ! Component: 150 - total flux cleaned = 0.000515683 Jy ! Component: 200 - total flux cleaned = 0.000518054 Jy ! Total flux subtracted in 200 components = 0.000518054 Jy ! Clean residual min=-0.004459 max=0.005385 Jy/beam ! Clean residual mean=-0.000107 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.326979 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 51 components and 0.326978 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155110Jy sigma=0.001205 ! Fit after self-cal, rms=0.155121Jy sigma=0.001205 ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 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 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=2.848 mas, bmaj=9.674 mas, bpa=10.7 degrees ! Estimated noise=1753.43 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 = 0.000526673 Jy ! Component: 100 - total flux cleaned = 0.000561722 Jy ! Component: 150 - total flux cleaned = 0.000562093 Jy ! Component: 200 - total flux cleaned = 0.000562475 Jy ! Total flux subtracted in 200 components = 0.000562475 Jy ! Clean residual min=-0.005027 max=0.005752 Jy/beam ! Clean residual mean=-0.000192 rms=0.001741 Jy/beam ! Combined flux in latest and established models = 0.327541 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 59 components and 0.327541 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155114Jy sigma=0.001205 ! Fit after self-cal, rms=0.155119Jy sigma=0.001205 ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec 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 ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.637 mas, bmaj=1.706 mas, bpa=4.837 degrees ! Estimated noise=2588.21 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.227498 Jy ! Component: 100 - total flux cleaned = 0.27566 Jy ! Component: 150 - total flux cleaned = 0.294976 Jy ! Component: 200 - total flux cleaned = 0.305608 Jy ! Total flux subtracted in 200 components = 0.305608 Jy ! Clean residual min=-0.010399 max=0.010968 Jy/beam ! Clean residual mean=-0.000109 rms=0.003404 Jy/beam ! Combined flux in latest and established models = 0.305608 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.305608 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8464 mas, bmaj=2.185 mas, bpa=3.189 degrees ! Estimated noise=1369.41 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 = 0.0150633 Jy ! Component: 100 - total flux cleaned = 0.0192523 Jy ! Component: 150 - total flux cleaned = 0.0206252 Jy ! Component: 200 - total flux cleaned = 0.0209984 Jy ! Total flux subtracted in 200 components = 0.0209984 Jy ! Clean residual min=-0.005505 max=0.005740 Jy/beam ! Clean residual mean=-0.000109 rms=0.001452 Jy/beam ! Combined flux in latest and established models = 0.326606 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 44 components and 0.326606 Jy ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 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 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=2.848 mas, bmaj=9.674 mas, bpa=10.7 degrees ! Estimated noise=1753.43 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 = 0.00107885 Jy ! Component: 100 - total flux cleaned = 0.00136265 Jy ! Component: 150 - total flux cleaned = 0.00150246 Jy ! Component: 200 - total flux cleaned = 0.00147773 Jy ! Total flux subtracted in 200 components = 0.00147773 Jy ! Clean residual min=-0.005424 max=0.005533 Jy/beam ! Clean residual mean=-0.000187 rms=0.001753 Jy/beam ! Combined flux in latest and established models = 0.328084 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 55 components and 0.328084 Jy ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! Estimated beam: bmin=0.8464 mas, bmaj=2.185 mas, bpa=3.189 degrees ! Estimated noise=1369.41 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.00111456 Jy ! Component: 100 - total flux cleaned = -0.00128649 Jy ! Component: 150 - total flux cleaned = -0.0012929 Jy ! Component: 200 - total flux cleaned = -0.00116795 Jy ! Total flux subtracted in 200 components = -0.00116795 Jy ! Clean residual min=-0.005126 max=0.005521 Jy/beam ! Clean residual mean=-0.000107 rms=0.001383 Jy/beam ! Combined flux in latest and established models = 0.326916 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 62 components and 0.326916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155310Jy sigma=0.001206 ! Fit after self-cal, rms=0.155284Jy sigma=0.001206 wmodel J0849-3541_X_2002_01_31_yyk\_map.mod ! Writing 62 model components to file: J0849-3541_X_2002_01_31_yyk_map.mod wobs J0849-3541_X_2002_01_31_yyk\_uvs.fits ! Applying 34 buffered edits. ! Writing UV FITS file: J0849-3541_X_2002_01_31_yyk_uvs.fits wwins J0849-3541_X_2002_01_31_yyk\_map.win ! wwins: Wrote 2 windows to J0849-3541_X_2002_01_31_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 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156943 Jy ! Component: 100 - total flux cleaned = 0.00233987 Jy ! Component: 150 - total flux cleaned = 0.00272272 Jy ! Component: 200 - total flux cleaned = 0.00308027 Jy ! Component: 250 - total flux cleaned = 0.00361759 Jy ! Component: 300 - total flux cleaned = 0.00412078 Jy ! Component: 350 - total flux cleaned = 0.004299 Jy ! Component: 400 - total flux cleaned = 0.00452751 Jy ! Component: 450 - total flux cleaned = 0.00458082 Jy ! Component: 500 - total flux cleaned = 0.00463327 Jy ! Component: 550 - total flux cleaned = 0.00458358 Jy ! Component: 600 - total flux cleaned = 0.00463111 Jy ! Component: 650 - total flux cleaned = 0.0046312 Jy ! Component: 700 - total flux cleaned = 0.00467674 Jy ! Component: 750 - total flux cleaned = 0.00472088 Jy ! Component: 800 - total flux cleaned = 0.00459407 Jy ! Component: 850 - total flux cleaned = 0.00451226 Jy ! Component: 900 - total flux cleaned = 0.00439261 Jy ! Component: 950 - total flux cleaned = 0.00435354 Jy ! Component: 1000 - total flux cleaned = 0.00412455 Jy ! Component: 1050 - total flux cleaned = 0.00393897 Jy ! Component: 1100 - total flux cleaned = 0.00386667 Jy ! Component: 1150 - total flux cleaned = 0.00372419 Jy ! Component: 1200 - total flux cleaned = 0.0036539 Jy ! Component: 1250 - total flux cleaned = 0.00365399 Jy ! Component: 1300 - total flux cleaned = 0.00362033 Jy ! Component: 1350 - total flux cleaned = 0.00358695 Jy ! Component: 1400 - total flux cleaned = 0.00348877 Jy ! Component: 1450 - total flux cleaned = 0.00345655 Jy ! Component: 1500 - total flux cleaned = 0.00348828 Jy ! Component: 1550 - total flux cleaned = 0.00342505 Jy ! Component: 1600 - total flux cleaned = 0.00342547 Jy ! Component: 1650 - total flux cleaned = 0.00345701 Jy ! Component: 1700 - total flux cleaned = 0.00351834 Jy ! Component: 1750 - total flux cleaned = 0.00357863 Jy ! Component: 1800 - total flux cleaned = 0.0035485 Jy ! Component: 1850 - total flux cleaned = 0.0036967 Jy ! Component: 1900 - total flux cleaned = 0.0037846 Jy ! Component: 1950 - total flux cleaned = 0.00392979 Jy ! Component: 2000 - total flux cleaned = 0.00404489 Jy ! Total flux subtracted in 2048 components = 0.0041593 Jy ! Clean residual min=-0.001494 max=0.001667 Jy/beam ! Clean residual mean=-0.000016 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.331075 Jy keep ! Adding 102 model components to the UV plane model. ! The established model now contains 164 components and 0.331075 Jy ![Exited script file: muppet] wmap "J0849-3541_X_2002_01_31_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8464 x 2.185 at 3.189 degrees (North through East) ! Clean map min=-0.0036261 max=0.27236 Jy/beam ! Writing clean map to FITS file: J0849-3541_X_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.272362 invert ! Inverting map ! Your choice of large map pixels excluded 0.893% of the data. ! The x-axis pixel size should ideally be below 0.1992 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000531179 device "J0849-3541_X_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0849-3541_X_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.585081 0.585081 1.17016 2.34033 4.68065 9.3613 18.7226 37.4452 74.8904 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.272 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8464 x 2.185 at 3.189 degrees (North through East) ! Clean map min=-0.0036261 max=0.27236 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0849-3541_X_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0849-3541_X_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0849-3541_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:53:35 2007