! Started logfile: J1820-2528_X_2004_04_30_yyk_uvs.log on Wed Dec 7 00:43:52 2005 obs J1820-2528_X_2004_04_30_yyk_uve.fits ! Reading UV FITS file: J1820-2528_X_2004_04_30_yyk_uve.fits ! AN table 1: 14 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.906349 visibilities/baseline/integration-bin. ! Found source: J1820-2528 ! ! 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 1545 lines of history. ! ! Reading 2284 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 J1820-2528_X_2004_04_30_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)= 0.455357 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 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.578333Jy sigma=9.806131 ! Fit after self-cal, rms=0.578261Jy sigma=9.804205 ! 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 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6379 mas, bmaj=1.716 mas, bpa=-1.875 degrees ! Estimated noise=1.32578 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 = 0.348255 Jy ! Component: 100 - total flux cleaned = 0.429985 Jy ! Total flux subtracted in 100 components = 0.429985 Jy ! Clean residual min=-0.015246 max=0.028235 Jy/beam ! Clean residual mean=-0.000195 rms=0.004032 Jy/beam ! Combined flux in latest and established models = 0.429985 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.429985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.113217Jy sigma=1.933152 ! Fit after self-cal, rms=0.113035Jy sigma=1.930379 ! Inverting map ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Added new window around map position (-0.6, -0.8). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0430299 Jy ! Component: 100 - total flux cleaned = 0.0674678 Jy ! Total flux subtracted in 100 components = 0.0674678 Jy ! Clean residual min=-0.011604 max=0.021227 Jy/beam ! Clean residual mean=-0.000090 rms=0.002659 Jy/beam ! Combined flux in latest and established models = 0.497453 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 36 components and 0.497453 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090756Jy sigma=1.420843 ! Fit after self-cal, rms=0.090560Jy sigma=1.415138 ! Inverting map ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Added new window around map position (1, -3.2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0243356 Jy ! Component: 100 - total flux cleaned = 0.0393855 Jy ! Total flux subtracted in 100 components = 0.0393855 Jy ! Clean residual min=-0.009376 max=0.010039 Jy/beam ! Clean residual mean=-0.000043 rms=0.002065 Jy/beam ! Combined flux in latest and established models = 0.536839 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 49 components and 0.536839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082526Jy sigma=1.225550 ! Fit after self-cal, rms=0.082110Jy sigma=1.219478 ! Inverting map ! Your choice of large map pixels excluded 0.353% 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 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8439 mas, bmaj=2.185 mas, bpa=-2.282 degrees ! Estimated noise=0.854241 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 = 0.0218464 Jy ! Component: 100 - total flux cleaned = 0.03336 Jy ! Component: 150 - total flux cleaned = 0.0397098 Jy ! Component: 200 - total flux cleaned = 0.0432808 Jy ! Total flux subtracted in 200 components = 0.0432808 Jy ! Clean residual min=-0.006778 max=0.006285 Jy/beam ! Clean residual mean=0.000040 rms=0.001813 Jy/beam ! Combined flux in latest and established models = 0.58012 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 70 components and 0.58012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078729Jy sigma=1.132187 ! Fit after self-cal, rms=0.078528Jy sigma=1.129374 ! Inverting map ! Your choice of large map pixels excluded 0.353% 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: 1.0028 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.05 KP 1.00 ! LA 0.98 MK 1.01 NL 1.01 OV 1.00 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01027 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.05 KP 0.94 ! LA 0.98 MK 0.99 NL 0.97 OV 0.96 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 0.999308 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.98 KP 0.90 ! LA 0.99 MK 0.99 NL 0.98 OV 1.00 ! PT 1.08 SC 1.00 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.982061 ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.05 HN 1.01 KP 0.93 ! LA 0.97 MK 1.00 NL 0.99 OV 1.03 ! PT 1.14 SC 1.01 ! ! ! Fit before self-cal, rms=0.078528Jy sigma=1.129374 ! Fit after self-cal, rms=0.074723Jy sigma=1.035464 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=0.074723Jy sigma=1.035464 ! Fit after self-cal, rms=0.074724Jy sigma=1.035408 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8454 mas, bmaj=2.188 mas, bpa=-2.304 degrees ! Estimated noise=0.851368 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 (-0.6, -4.6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00485062 Jy ! Component: 100 - total flux cleaned = 0.00476914 Jy ! Component: 150 - total flux cleaned = 0.00450763 Jy ! Component: 200 - total flux cleaned = 0.00436289 Jy ! Total flux subtracted in 200 components = 0.00436289 Jy ! Clean residual min=-0.003787 max=0.003543 Jy/beam ! Clean residual mean=0.000008 rms=0.000952 Jy/beam ! Combined flux in latest and established models = 0.584482 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 92 components and 0.584482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074362Jy sigma=1.027147 ! Fit after self-cal, rms=0.074289Jy sigma=1.026262 ! Inverting map ! Your choice of large map pixels excluded 0.353% 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=0.074289Jy sigma=1.026262 ! Fit after self-cal, rms=0.072109Jy sigma=0.989189 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.353% 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) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113677 Jy ! Component: 100 - total flux cleaned = 0.00108255 Jy ! Component: 150 - total flux cleaned = 0.000861771 Jy ! Component: 200 - total flux cleaned = 0.000712703 Jy ! Total flux subtracted in 200 components = 0.000712703 Jy ! Clean residual min=-0.003587 max=0.003463 Jy/beam ! Clean residual mean=0.000010 rms=0.000929 Jy/beam ! Combined flux in latest and established models = 0.585195 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 106 components and 0.585195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072008Jy sigma=0.987419 ! Fit after self-cal, rms=0.071844Jy sigma=0.984318 ! Inverting map ! Your choice of large map pixels excluded 0.353% 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: 0.8454 x 2.188 at -2.304 degrees (North through East) ! Clean map min=-0.0032276 max=0.40175 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=0.071844Jy sigma=0.984318 ! Fit after self-cal, rms=0.071258Jy sigma=0.959613 ! 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=0.071258Jy sigma=0.959613 ! Fit after self-cal, rms=0.071273Jy sigma=0.959305 ! Inverting map and beam ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.845 mas, bmaj=2.182 mas, bpa=-2.431 degrees ! Estimated noise=0.850445 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158713 Jy ! Component: 100 - total flux cleaned = 0.00153507 Jy ! Component: 150 - total flux cleaned = 0.00148948 Jy ! Component: 200 - total flux cleaned = 0.00140504 Jy ! Total flux subtracted in 200 components = 0.00140504 Jy ! Clean residual min=-0.003422 max=0.003476 Jy/beam ! Clean residual mean=-0.000005 rms=0.000844 Jy/beam ! Combined flux in latest and established models = 0.5866 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 124 components and 0.5866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071182Jy sigma=0.957696 ! Fit after self-cal, rms=0.071174Jy sigma=0.957485 ! Inverting map ! Your choice of large map pixels excluded 0.353% 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=0.071174Jy sigma=0.957485 ! Fit after self-cal, rms=0.070593Jy sigma=0.944954 ! 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=0.070593Jy sigma=0.944954 ! Fit after self-cal, rms=0.070596Jy sigma=0.944942 ! Inverting map and beam ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8448 mas, bmaj=2.18 mas, bpa=-2.418 degrees ! Estimated noise=0.850743 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00106938 Jy ! Component: 100 - total flux cleaned = 0.00111498 Jy ! Component: 150 - total flux cleaned = 0.0010758 Jy ! Component: 200 - total flux cleaned = 0.0010755 Jy ! Total flux subtracted in 200 components = 0.0010755 Jy ! Clean residual min=-0.003406 max=0.003445 Jy/beam ! Clean residual mean=-0.000006 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.587676 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 133 components and 0.587676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070536Jy sigma=0.943980 ! Fit after self-cal, rms=0.070523Jy sigma=0.943856 ! Inverting map ! Your choice of large map pixels excluded 0.353% 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 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.318 mas, bmaj=5.833 mas, bpa=1.918 degrees ! Estimated noise=1.10062 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 = 0.000740882 Jy ! Component: 100 - total flux cleaned = 0.000939983 Jy ! Component: 150 - total flux cleaned = 0.00105901 Jy ! Component: 200 - total flux cleaned = 0.00103598 Jy ! Total flux subtracted in 200 components = 0.00103598 Jy ! Clean residual min=-0.004406 max=0.003226 Jy/beam ! Clean residual mean=-0.000008 rms=0.001126 Jy/beam ! Combined flux in latest and established models = 0.588711 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 142 components and 0.588711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070552Jy sigma=0.944048 ! Fit after self-cal, rms=0.070546Jy sigma=0.943876 ! Inverting map ! Your choice of large map pixels excluded 0.353% 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 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6379 mas, bmaj=1.715 mas, bpa=-1.919 degrees ! Estimated noise=1.32388 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.349747 Jy ! Component: 100 - total flux cleaned = 0.432127 Jy ! Component: 150 - total flux cleaned = 0.475161 Jy ! Component: 200 - total flux cleaned = 0.503164 Jy ! Total flux subtracted in 200 components = 0.503164 Jy ! Clean residual min=-0.007582 max=0.013028 Jy/beam ! Clean residual mean=-0.000100 rms=0.002134 Jy/beam ! Combined flux in latest and established models = 0.503163 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 45 model components to the UV plane model. ! The established model now contains 45 components and 0.503163 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8448 mas, bmaj=2.18 mas, bpa=-2.418 degrees ! Estimated noise=0.850743 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 = 0.0375697 Jy ! Component: 100 - total flux cleaned = 0.0561655 Jy ! Component: 150 - total flux cleaned = 0.0667785 Jy ! Component: 200 - total flux cleaned = 0.0730859 Jy ! Total flux subtracted in 200 components = 0.0730859 Jy ! Clean residual min=-0.004054 max=0.004791 Jy/beam ! Clean residual mean=-0.000047 rms=0.001039 Jy/beam ! Combined flux in latest and established models = 0.576249 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 96 components and 0.576249 Jy ! Inverting map ! Your choice of large map pixels excluded 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Added new window around map position (9.4, -17.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00531181 Jy ! Component: 100 - total flux cleaned = 0.0084252 Jy ! Component: 150 - total flux cleaned = 0.00956091 Jy ! Component: 200 - total flux cleaned = 0.0100481 Jy ! Total flux subtracted in 200 components = 0.0100481 Jy ! Clean residual min=-0.003615 max=0.003367 Jy/beam ! Clean residual mean=-0.000014 rms=0.000830 Jy/beam ! Combined flux in latest and established models = 0.586297 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 120 components and 0.586297 Jy ! Inverting map ! Your choice of large map pixels excluded 0.353% 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 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.318 mas, bmaj=5.833 mas, bpa=1.918 degrees ! Estimated noise=1.10062 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 = 0.00206696 Jy ! Component: 100 - total flux cleaned = 0.00232229 Jy ! Component: 150 - total flux cleaned = 0.00254028 Jy ! Component: 200 - total flux cleaned = 0.00277686 Jy ! Total flux subtracted in 200 components = 0.00277686 Jy ! Clean residual min=-0.004636 max=0.003265 Jy/beam ! Clean residual mean=-0.000007 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 0.589074 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 129 components and 0.589074 Jy ! Inverting map ! Your choice of large map pixels excluded 0.353% 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 0.353% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8448 mas, bmaj=2.18 mas, bpa=-2.418 degrees ! Estimated noise=0.850743 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000603372 Jy ! Component: 100 - total flux cleaned = -0.000607473 Jy ! Component: 150 - total flux cleaned = -0.000610958 Jy ! Component: 200 - total flux cleaned = -0.000556372 Jy ! Total flux subtracted in 200 components = -0.000556372 Jy ! Clean residual min=-0.003452 max=0.003222 Jy/beam ! Clean residual mean=-0.000005 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 0.588518 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 145 components and 0.588518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070389Jy sigma=0.940653 ! Fit after self-cal, rms=0.070327Jy sigma=0.939860 wmodel J1820-2528_X_2004_04_30_yyk\_map.mod ! Writing 145 model components to file: J1820-2528_X_2004_04_30_yyk_map.mod wobs J1820-2528_X_2004_04_30_yyk\_uvs.fits ! Writing UV FITS file: J1820-2528_X_2004_04_30_yyk_uvs.fits wwins J1820-2528_X_2004_04_30_yyk\_map.win ! wwins: Wrote 5 windows to J1820-2528_X_2004_04_30_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 0.353% 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 = -0.000329 Jy ! Component: 100 - total flux cleaned = -0.000228148 Jy ! Component: 150 - total flux cleaned = 0.000112837 Jy ! Component: 200 - total flux cleaned = 0.000249436 Jy ! Component: 250 - total flux cleaned = 0.000207654 Jy ! Component: 300 - total flux cleaned = 0.000127273 Jy ! Component: 350 - total flux cleaned = -6.82518e-05 Jy ! Component: 400 - total flux cleaned = -0.000143917 Jy ! Component: 450 - total flux cleaned = -0.000329496 Jy ! Component: 500 - total flux cleaned = -0.000545941 Jy ! Component: 550 - total flux cleaned = -0.00072237 Jy ! Component: 600 - total flux cleaned = -0.000929832 Jy ! Component: 650 - total flux cleaned = -0.0010651 Jy ! Component: 700 - total flux cleaned = -0.00119759 Jy ! Component: 750 - total flux cleaned = -0.00126274 Jy ! Component: 800 - total flux cleaned = -0.00129485 Jy ! Component: 850 - total flux cleaned = -0.00135796 Jy ! Component: 900 - total flux cleaned = -0.00135811 Jy ! Component: 950 - total flux cleaned = -0.00138896 Jy ! Component: 1000 - total flux cleaned = -0.0013896 Jy ! Component: 1050 - total flux cleaned = -0.00144896 Jy ! Component: 1100 - total flux cleaned = -0.00150772 Jy ! Component: 1150 - total flux cleaned = -0.00153631 Jy ! Component: 1200 - total flux cleaned = -0.0015079 Jy ! Component: 1250 - total flux cleaned = -0.00145206 Jy ! Component: 1300 - total flux cleaned = -0.00139714 Jy ! Component: 1350 - total flux cleaned = -0.00134354 Jy ! Component: 1400 - total flux cleaned = -0.00134358 Jy ! Component: 1450 - total flux cleaned = -0.00134348 Jy ! Component: 1500 - total flux cleaned = -0.00123784 Jy ! Component: 1550 - total flux cleaned = -0.00113423 Jy ! Component: 1600 - total flux cleaned = -0.00108286 Jy ! Component: 1650 - total flux cleaned = -0.000981558 Jy ! Component: 1700 - total flux cleaned = -0.0010318 Jy ! Component: 1750 - total flux cleaned = -0.000882286 Jy ! Component: 1800 - total flux cleaned = -0.000882497 Jy ! Component: 1850 - total flux cleaned = -0.000833744 Jy ! Component: 1900 - total flux cleaned = -0.000737101 Jy ! Component: 1950 - total flux cleaned = -0.000689439 Jy ! Component: 2000 - total flux cleaned = -0.000642197 Jy ! Total flux subtracted in 2048 components = -0.000618934 Jy ! Clean residual min=-0.001330 max=0.001490 Jy/beam ! Clean residual mean=-0.000002 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.587899 Jy keep ! Adding 133 model components to the UV plane model. ! The established model now contains 278 components and 0.587899 Jy ![Exited script file: muppet] wmap "J1820-2528_X_2004_04_30_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.353% 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: 0.8448 x 2.18 at -2.418 degrees (North through East) ! Clean map min=-0.0021772 max=0.40116 Jy/beam ! Writing clean map to FITS file: J1820-2528_X_2004_04_30_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.401156 invert ! Inverting map ! Your choice of large map pixels excluded 0.353% 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 0.000436045 device "J1820-2528_X_2004_04_30_yyk\_map.eps/VPS" ! Attempting to open device: 'J1820-2528_X_2004_04_30_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.326092 0.326092 0.652183 1.30437 2.60873 5.21746 10.4349 20.8699 41.7397 83.4794 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.401 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8448 x 2.18 at -2.418 degrees (North through East) ! Clean map min=-0.0021772 max=0.40116 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1820-2528_X_2004_04_30_yyk\_map.gif/gif" ! Attempting to open device: 'J1820-2528_X_2004_04_30_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1820-2528_X_2004_04_30_yyk_uvs.log closed on Wed Dec 7 00:43:56 2005