! Started logfile: J1807-2506_X_2004_05_08_yyk_uvs.log on Wed Dec 7 00:42:46 2005 obs J1807-2506_X_2004_05_08_yyk_uve.fits ! Reading UV FITS file: J1807-2506_X_2004_05_08_yyk_uve.fits ! AN table 1: 10 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.875556 visibilities/baseline/integration-bin. ! Found source: J1807-2506 ! ! 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 1576 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 J1807-2506_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)= 0.20553 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 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 28 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.816467Jy sigma=15.348818 ! Fit after self-cal, rms=0.816409Jy sigma=15.346610 ! 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6371 mas, bmaj=1.837 mas, bpa=-2.7 degrees ! Estimated noise=1.48821 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 = 0.147751 Jy ! Component: 100 - total flux cleaned = 0.193339 Jy ! Total flux subtracted in 100 components = 0.193339 Jy ! Clean residual min=-0.007667 max=0.014593 Jy/beam ! Clean residual mean=-0.000117 rms=0.002289 Jy/beam ! Combined flux in latest and established models = 0.193339 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.193339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071785Jy sigma=1.256570 ! Fit after self-cal, rms=0.071766Jy sigma=1.255810 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 = 0.0207136 Jy ! Component: 100 - total flux cleaned = 0.0310499 Jy ! Total flux subtracted in 100 components = 0.0310499 Jy ! Clean residual min=-0.006496 max=0.008594 Jy/beam ! Clean residual mean=-0.000053 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 0.224389 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 31 components and 0.224389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064991Jy sigma=1.089355 ! Fit after self-cal, rms=0.064994Jy sigma=1.088955 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8511 mas, bmaj=2.259 mas, bpa=-2.439 degrees ! Estimated noise=1.07178 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 (-1, 0). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141193 Jy ! Component: 100 - total flux cleaned = 0.0204155 Jy ! Component: 150 - total flux cleaned = 0.0237273 Jy ! Component: 200 - total flux cleaned = 0.0253499 Jy ! Total flux subtracted in 200 components = 0.0253499 Jy ! Clean residual min=-0.004751 max=0.004425 Jy/beam ! Clean residual mean=-0.000039 rms=0.001213 Jy/beam ! Combined flux in latest and established models = 0.249739 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 81 components and 0.249739 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063178Jy sigma=1.044450 ! Fit after self-cal, rms=0.063070Jy sigma=1.042132 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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: 0.988829 ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 1.05 KP 1.03 ! LA 0.97 MK 1.13 NL 1.03 OV 1.00 ! PT 0.96 SC 1.03 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.01407 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.05 KP 0.96 ! LA 0.94 MK 0.98 NL 1.02 OV 0.99 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.00341 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 1.00 KP 0.95 ! LA 0.95 MK 1.00 NL 1.01 OV 1.00 ! PT 1.03 SC 0.99 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 0.99281 ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.07 HN 1.02 KP 0.92 ! LA 0.98 MK 0.87 NL 1.02 OV 1.02 ! PT 1.11 SC 0.96 ! ! ! Fit before self-cal, rms=0.063070Jy sigma=1.042132 ! Fit after self-cal, rms=0.061557Jy sigma=1.013920 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=0.061557Jy sigma=1.013920 ! Fit after self-cal, rms=0.061556Jy sigma=1.013888 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.852 mas, bmaj=2.245 mas, bpa=-2.184 degrees ! Estimated noise=1.06725 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 = 0.000174386 Jy ! Component: 100 - total flux cleaned = 2.92322e-05 Jy ! Component: 150 - total flux cleaned = -9.77056e-05 Jy ! Component: 200 - total flux cleaned = -0.000136627 Jy ! Total flux subtracted in 200 components = -0.000136627 Jy ! Clean residual min=-0.003921 max=0.004126 Jy/beam ! Clean residual mean=-0.000023 rms=0.000972 Jy/beam ! Combined flux in latest and established models = 0.249602 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 98 components and 0.249602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061499Jy sigma=1.012758 ! Fit after self-cal, rms=0.061495Jy sigma=1.012691 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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=0.061495Jy sigma=1.012691 ! Fit after self-cal, rms=0.060093Jy sigma=0.983034 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 = 0.000591996 Jy ! Component: 100 - total flux cleaned = 0.000664239 Jy ! Component: 150 - total flux cleaned = 0.000632779 Jy ! Component: 200 - total flux cleaned = 0.000603594 Jy ! Total flux subtracted in 200 components = 0.000603594 Jy ! Clean residual min=-0.003652 max=0.004200 Jy/beam ! Clean residual mean=-0.000022 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 0.250206 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 106 components and 0.250206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060067Jy sigma=0.982424 ! Fit after self-cal, rms=0.059935Jy sigma=0.979155 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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: 0.852 x 2.245 at -2.184 degrees (North through East) ! Clean map min=-0.0035977 max=0.18322 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=0.059935Jy sigma=0.979155 ! Fit after self-cal, rms=0.059422Jy sigma=0.966468 ! 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=0.059422Jy sigma=0.966468 ! Fit after self-cal, rms=0.059427Jy sigma=0.965558 ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8495 mas, bmaj=2.238 mas, bpa=-2.062 degrees ! Estimated noise=1.06332 mJy/beam. ! Added new window around map position (23.6, 24.4). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00268424 Jy ! Component: 100 - total flux cleaned = 0.00317712 Jy ! Component: 150 - total flux cleaned = 0.00338754 Jy ! Component: 200 - total flux cleaned = 0.00361398 Jy ! Total flux subtracted in 200 components = 0.00361398 Jy ! Clean residual min=-0.003772 max=0.003409 Jy/beam ! Clean residual mean=-0.000014 rms=0.000859 Jy/beam ! Combined flux in latest and established models = 0.25382 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 125 components and 0.25382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059232Jy sigma=0.960967 ! Fit after self-cal, rms=0.059255Jy sigma=0.960423 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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=0.059255Jy sigma=0.960423 ! Fit after self-cal, rms=0.059082Jy sigma=0.943892 ! 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=0.059082Jy sigma=0.943892 ! Fit after self-cal, rms=0.059107Jy sigma=0.943682 ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8522 mas, bmaj=2.245 mas, bpa=-1.964 degrees ! Estimated noise=1.06254 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000165432 Jy ! Component: 100 - total flux cleaned = 0.000204652 Jy ! Component: 150 - total flux cleaned = 0.000276893 Jy ! Component: 200 - total flux cleaned = 0.000343335 Jy ! Total flux subtracted in 200 components = 0.000343335 Jy ! Clean residual min=-0.003657 max=0.003484 Jy/beam ! Clean residual mean=-0.000005 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.254163 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 132 components and 0.254163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059076Jy sigma=0.942974 ! Fit after self-cal, rms=0.059098Jy sigma=0.942839 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.325 mas, bmaj=5.962 mas, bpa=3.646 degrees ! Estimated noise=1.3597 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 = 0.000279216 Jy ! Component: 100 - total flux cleaned = 0.000501428 Jy ! Component: 150 - total flux cleaned = 0.000653881 Jy ! Component: 200 - total flux cleaned = 0.000819427 Jy ! Total flux subtracted in 200 components = 0.000819427 Jy ! Clean residual min=-0.003210 max=0.004036 Jy/beam ! Clean residual mean=-0.000006 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.254983 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 142 components and 0.254983 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059114Jy sigma=0.942761 ! Fit after self-cal, rms=0.059122Jy sigma=0.942531 ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.6372 mas, bmaj=1.825 mas, bpa=-2.675 degrees ! Estimated noise=1.47507 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.146936 Jy ! Component: 100 - total flux cleaned = 0.192721 Jy ! Component: 150 - total flux cleaned = 0.214214 Jy ! Component: 200 - total flux cleaned = 0.226192 Jy ! Total flux subtracted in 200 components = 0.226192 Jy ! Clean residual min=-0.005599 max=0.004977 Jy/beam ! Clean residual mean=-0.000042 rms=0.001424 Jy/beam ! Combined flux in latest and established models = 0.226192 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 34 model components to the UV plane model. ! The established model now contains 34 components and 0.226192 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8522 mas, bmaj=2.245 mas, bpa=-1.964 degrees ! Estimated noise=1.06254 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 = 0.0126243 Jy ! Component: 100 - total flux cleaned = 0.0186345 Jy ! Component: 150 - total flux cleaned = 0.0222221 Jy ! Component: 200 - total flux cleaned = 0.0241171 Jy ! Total flux subtracted in 200 components = 0.0241171 Jy ! Clean residual min=-0.003819 max=0.003400 Jy/beam ! Clean residual mean=-0.000021 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 0.250309 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 85 components and 0.250309 Jy ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=2.325 mas, bmaj=5.962 mas, bpa=3.646 degrees ! Estimated noise=1.3597 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 = 0.00310469 Jy ! Component: 100 - total flux cleaned = 0.00361207 Jy ! Component: 150 - total flux cleaned = 0.00394781 Jy ! Component: 200 - total flux cleaned = 0.00424549 Jy ! Total flux subtracted in 200 components = 0.00424549 Jy ! Clean residual min=-0.003120 max=0.003932 Jy/beam ! Clean residual mean=-0.000010 rms=0.001036 Jy/beam ! Combined flux in latest and established models = 0.254554 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 96 components and 0.254554 Jy ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 0.247% of the data. ! The x-axis pixel size should ideally be below 0.1986 milli-arcsec ! Estimated beam: bmin=0.8522 mas, bmaj=2.245 mas, bpa=-1.964 degrees ! Estimated noise=1.06254 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = -0.000274615 Jy ! Component: 100 - total flux cleaned = -0.000337862 Jy ! Component: 150 - total flux cleaned = -0.000443282 Jy ! Component: 200 - total flux cleaned = -0.000441931 Jy ! Total flux subtracted in 200 components = -0.000441931 Jy ! Clean residual min=-0.003703 max=0.003283 Jy/beam ! Clean residual mean=-0.000006 rms=0.000851 Jy/beam ! Combined flux in latest and established models = 0.254113 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 108 components and 0.254113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059179Jy sigma=0.943569 ! Fit after self-cal, rms=0.059191Jy sigma=0.943404 wmodel J1807-2506_X_2004_05_08_yyk\_map.mod ! Writing 108 model components to file: J1807-2506_X_2004_05_08_yyk_map.mod wobs J1807-2506_X_2004_05_08_yyk\_uvs.fits ! Writing UV FITS file: J1807-2506_X_2004_05_08_yyk_uvs.fits wwins J1807-2506_X_2004_05_08_yyk\_map.win ! wwins: Wrote 3 windows to J1807-2506_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 0.247% 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 = -0.000889247 Jy ! Component: 100 - total flux cleaned = -0.00105177 Jy ! Component: 150 - total flux cleaned = -0.00130361 Jy ! Component: 200 - total flux cleaned = -0.00183226 Jy ! Component: 250 - total flux cleaned = -0.00224903 Jy ! Component: 300 - total flux cleaned = -0.00265093 Jy ! Component: 350 - total flux cleaned = -0.00304008 Jy ! Component: 400 - total flux cleaned = -0.00350393 Jy ! Component: 450 - total flux cleaned = -0.00379239 Jy ! Component: 500 - total flux cleaned = -0.00399473 Jy ! Component: 550 - total flux cleaned = -0.00435078 Jy ! Component: 600 - total flux cleaned = -0.00462211 Jy ! Component: 650 - total flux cleaned = -0.00485088 Jy ! Component: 700 - total flux cleaned = -0.00500143 Jy ! Component: 750 - total flux cleaned = -0.00514857 Jy ! Component: 800 - total flux cleaned = -0.00529369 Jy ! Component: 850 - total flux cleaned = -0.00554314 Jy ! Component: 900 - total flux cleaned = -0.00564815 Jy ! Component: 950 - total flux cleaned = -0.00596001 Jy ! Component: 1000 - total flux cleaned = -0.00619867 Jy ! Component: 1050 - total flux cleaned = -0.0064001 Jy ! Component: 1100 - total flux cleaned = -0.00673235 Jy ! Component: 1150 - total flux cleaned = -0.00692864 Jy ! Component: 1200 - total flux cleaned = -0.00718791 Jy ! Component: 1250 - total flux cleaned = -0.00747622 Jy ! Component: 1300 - total flux cleaned = -0.00769759 Jy ! Component: 1350 - total flux cleaned = -0.00801042 Jy ! Component: 1400 - total flux cleaned = -0.00838108 Jy ! Component: 1450 - total flux cleaned = -0.00856396 Jy ! Component: 1500 - total flux cleaned = -0.00883552 Jy ! Component: 1550 - total flux cleaned = -0.00916418 Jy ! Component: 1600 - total flux cleaned = -0.00937109 Jy ! Component: 1650 - total flux cleaned = -0.00957573 Jy ! Component: 1700 - total flux cleaned = -0.00977832 Jy ! Component: 1750 - total flux cleaned = -0.00997893 Jy ! Component: 1800 - total flux cleaned = -0.0100639 Jy ! Component: 1850 - total flux cleaned = -0.0101761 Jy ! Component: 1900 - total flux cleaned = -0.0102315 Jy ! Component: 1950 - total flux cleaned = -0.0103142 Jy ! Component: 2000 - total flux cleaned = -0.0104239 Jy ! Total flux subtracted in 2048 components = -0.0104509 Jy ! Clean residual min=-0.002005 max=0.001604 Jy/beam ! Clean residual mean=-0.000001 rms=0.000520 Jy/beam ! Combined flux in latest and established models = 0.243662 Jy keep ! Adding 135 model components to the UV plane model. ! The established model now contains 243 components and 0.243662 Jy ![Exited script file: muppet] wmap "J1807-2506_X_2004_05_08_yyk\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.247% 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: 0.8522 x 2.245 at -1.964 degrees (North through East) ! Clean map min=-0.0028734 max=0.18329 Jy/beam ! Writing clean map to FITS file: J1807-2506_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 0.183288 invert ! Inverting map ! Your choice of large map pixels excluded 0.247% 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 0.000515995 device "J1807-2506_X_2004_05_08_yyk\_map.eps/VPS" ! Attempting to open device: 'J1807-2506_X_2004_05_08_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.844567 0.844567 1.68913 3.37827 6.75653 13.5131 27.0261 54.0523 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.183 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8522 x 2.245 at -1.964 degrees (North through East) ! Clean map min=-0.0028734 max=0.18329 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1807-2506_X_2004_05_08_yyk\_map.gif/gif" ! Attempting to open device: 'J1807-2506_X_2004_05_08_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J1807-2506_X_2004_05_08_yyk_uvs.log closed on Wed Dec 7 00:42:50 2005