! Started logfile: J0811+0146_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:26:30 2011 obs J0811+0146_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J0811+0146_X_2009_04_21_pus_uva.fits ! AN table 1: 53 integrations on 120 of 120 possible baselines. ! AN table 2: 56 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.324235 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0811+0146 ! ! 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 2445 lines of history. ! ! Reading 16964 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 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0811+0146_X_2009_04_21_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 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. startmod ! Applying default point source starting model. ! Performing phase self-cal ! 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 387 telescope corrections were flagged in sub-array 1. ! A total of 459 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 387 telescope corrections were flagged in sub-array 1. ! A total of 459 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 387 telescope corrections were flagged in sub-array 1. ! A total of 459 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 387 telescope corrections were flagged in sub-array 1. ! A total of 459 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.758667Jy sigma=0.006688 ! Fit after self-cal, rms=0.243348Jy sigma=0.001784 ! 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 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.6009 mas, bmaj=1.927 mas, bpa=-2.149 degrees ! Estimated noise=965.9 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.679793 Jy ! Component: 100 - total flux cleaned = 0.830576 Jy ! Total flux subtracted in 100 components = 0.830576 Jy ! Clean residual min=-0.016333 max=0.051067 Jy/beam ! Clean residual mean=-0.000154 rms=0.005928 Jy/beam ! Combined flux in latest and established models = 0.830576 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.830576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215590Jy sigma=0.001667 ! Fit after self-cal, rms=0.215523Jy sigma=0.001667 ! Inverting map ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0551883 Jy ! Component: 100 - total flux cleaned = 0.0832342 Jy ! Total flux subtracted in 100 components = 0.0832342 Jy ! Clean residual min=-0.015004 max=0.020086 Jy/beam ! Clean residual mean=-0.000056 rms=0.004147 Jy/beam ! Combined flux in latest and established models = 0.913811 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 19 components and 0.913811 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201657Jy sigma=0.001460 ! Fit after self-cal, rms=0.201660Jy sigma=0.001460 ! Inverting map ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! 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 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7195 mas, bmaj=2.035 mas, bpa=-2.153 degrees ! Estimated noise=645.854 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0229504 Jy ! Component: 100 - total flux cleaned = 0.0353716 Jy ! Component: 150 - total flux cleaned = 0.0428066 Jy ! Component: 200 - total flux cleaned = 0.0473479 Jy ! Total flux subtracted in 200 components = 0.0473479 Jy ! Clean residual min=-0.012107 max=0.014528 Jy/beam ! Clean residual mean=0.000039 rms=0.003283 Jy/beam ! Combined flux in latest and established models = 0.961159 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 37 components and 0.961158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200371Jy sigma=0.001422 ! Fit after self-cal, rms=0.200375Jy sigma=0.001422 ! Inverting map ! Your choice of large map pixels excluded 1.42% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.09 KB 1.00* ! KK 1.03 KP 0.98 LA 0.97 MK 1.00 ! NL 0.98 NY 1.00* OV 1.00 PT 1.00 ! SC 0.93 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 HN 1.02 KB 1.00* ! KK 0.95 KP 0.99 LA 0.99 MK 0.93 ! NL 1.00 NY 1.00* OV 1.00 PT 1.00 ! SC 1.03 TS 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.13 KB 1.00* ! KK 1.03 KP 0.98 LA 0.97 MK 0.99 ! NL 0.97 NY 1.00* OV 0.98 PT 0.99 ! SC 0.93 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 HN 1.04 KB 1.00* ! KK 0.92 KP 0.99 LA 0.98 MK 0.93 ! NL 0.99 NY 1.00* OV 0.99 PT 0.98 ! SC 1.06 TS 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 1.16 KB 1.00* ! KK 1.02 KP 0.98 LA 0.97 MK 1.01 ! NL 1.00 NY 1.00* OV 1.02 PT 0.98 ! SC 0.96 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 HN 1.02 KB 1.00* ! KK 1.40 KP 0.99 LA 0.98 MK 0.94 ! NL 1.01 NY 1.00* OV 1.00 PT 0.98 ! SC 1.09 TS 1.05 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 2.33 KB 1.00* ! KK 1.02 KP 0.98 LA 0.96 MK 1.02 ! NL 1.01 NY 1.00* OV 1.01 PT 0.98 ! SC 0.97 TS 1.00* WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 HN 1.01 KB 1.00* ! KK 0.91 KP 0.98 LA 0.97 MK 0.97 ! NL 1.01 NY 1.00* OV 1.01 PT 0.98 ! SC 1.10 TS 1.05 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.200375Jy sigma=0.001422 ! Fit after self-cal, rms=0.214372Jy sigma=0.001283 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7293 mas, bmaj=2.037 mas, bpa=-1.999 degrees ! Estimated noise=645.714 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00721252 Jy ! Component: 100 - total flux cleaned = -0.00757089 Jy ! Component: 150 - total flux cleaned = -0.007569 Jy ! Component: 200 - total flux cleaned = -0.00769597 Jy ! Total flux subtracted in 200 components = -0.00769597 Jy ! Clean residual min=-0.007134 max=0.003924 Jy/beam ! Clean residual mean=0.000059 rms=0.001210 Jy/beam ! Combined flux in latest and established models = 0.953462 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 45 components and 0.953462 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214008Jy sigma=0.001279 ! Fit after self-cal, rms=0.214259Jy sigma=0.001279 ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214259Jy sigma=0.001279 ! Fit after self-cal, rms=0.214871Jy sigma=0.001278 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7318 mas, bmaj=2.038 mas, bpa=-1.946 degrees ! Estimated noise=644.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00555339 Jy ! Component: 100 - total flux cleaned = -0.00597921 Jy ! Component: 150 - total flux cleaned = -0.00610452 Jy ! Component: 200 - total flux cleaned = -0.00621678 Jy ! Total flux subtracted in 200 components = -0.00621678 Jy ! Clean residual min=-0.006101 max=0.003823 Jy/beam ! Clean residual mean=0.000050 rms=0.001098 Jy/beam ! Combined flux in latest and established models = 0.947246 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 47 components and 0.947246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214664Jy sigma=0.001276 ! Fit after self-cal, rms=0.214662Jy sigma=0.001276 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.94734e-05 Jy ! Component: 100 - total flux cleaned = -0.000166988 Jy ! Component: 150 - total flux cleaned = -0.000165684 Jy ! Component: 200 - total flux cleaned = -0.000102322 Jy ! Total flux subtracted in 200 components = -0.000102322 Jy ! Clean residual min=-0.005487 max=0.003799 Jy/beam ! Clean residual mean=0.000050 rms=0.001085 Jy/beam ! Combined flux in latest and established models = 0.947143 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 53 components and 0.947143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214614Jy sigma=0.001275 ! Fit after self-cal, rms=0.214613Jy sigma=0.001275 ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214613Jy sigma=0.001275 ! Fit after self-cal, rms=0.215182Jy sigma=0.001274 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7344 mas, bmaj=2.039 mas, bpa=-1.922 degrees ! Estimated noise=644.308 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00395146 Jy ! Component: 100 - total flux cleaned = -0.00454339 Jy ! Component: 150 - total flux cleaned = -0.00494423 Jy ! Component: 200 - total flux cleaned = -0.00514702 Jy ! Total flux subtracted in 200 components = -0.00514702 Jy ! Clean residual min=-0.004818 max=0.003801 Jy/beam ! Clean residual mean=0.000042 rms=0.001008 Jy/beam ! Combined flux in latest and established models = 0.941996 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 53 components and 0.941996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215079Jy sigma=0.001273 ! Fit after self-cal, rms=0.215081Jy sigma=0.001273 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.03781e-06 Jy ! Component: 100 - total flux cleaned = -5.11444e-05 Jy ! Component: 150 - total flux cleaned = -4.84598e-05 Jy ! Component: 200 - total flux cleaned = -3.85116e-06 Jy ! Total flux subtracted in 200 components = -3.85116e-06 Jy ! Clean residual min=-0.004431 max=0.003793 Jy/beam ! Clean residual mean=0.000042 rms=0.001002 Jy/beam ! Combined flux in latest and established models = 0.941993 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 55 components and 0.941992 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215060Jy sigma=0.001273 ! Fit after self-cal, rms=0.215059Jy sigma=0.001273 ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215059Jy sigma=0.001273 ! Fit after self-cal, rms=0.215459Jy sigma=0.001272 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=2.157 mas, bmaj=3.263 mas, bpa=-2.859 degrees ! Estimated noise=817.897 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00270839 Jy ! Component: 100 - total flux cleaned = -0.00368306 Jy ! Component: 150 - total flux cleaned = -0.00372596 Jy ! Component: 200 - total flux cleaned = -0.00374506 Jy ! Total flux subtracted in 200 components = -0.00374506 Jy ! Clean residual min=-0.004399 max=0.004621 Jy/beam ! Clean residual mean=0.000093 rms=0.001301 Jy/beam ! Combined flux in latest and established models = 0.938247 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 0.938247 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215442Jy sigma=0.001272 ! Fit after self-cal, rms=0.215450Jy sigma=0.001272 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.3062e-06 Jy ! Component: 100 - total flux cleaned = 1.29079e-05 Jy ! Component: 150 - total flux cleaned = 4.12927e-05 Jy ! Component: 200 - total flux cleaned = 4.18893e-05 Jy ! Total flux subtracted in 200 components = 4.18893e-05 Jy ! Clean residual min=-0.004377 max=0.004562 Jy/beam ! Clean residual mean=0.000093 rms=0.001297 Jy/beam ! Combined flux in latest and established models = 0.938289 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 57 components and 0.938289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215457Jy sigma=0.001272 ! Fit after self-cal, rms=0.215459Jy sigma=0.001272 ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7363 mas, bmaj=2.04 mas, bpa=-1.918 degrees ! Estimated noise=644.01 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7363 x 2.04 at -1.918 degrees (North through East) ! Clean map min=-0.003865 max=0.88627 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal 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 new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215459Jy sigma=0.001272 ! Fit after self-cal, rms=0.427183Jy sigma=0.001135 ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7377 mas, bmaj=2.041 mas, bpa=-1.971 degrees ! Estimated noise=643.098 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00320003 Jy ! Component: 100 - total flux cleaned = -0.0036232 Jy ! Component: 150 - total flux cleaned = -0.00397408 Jy ! Component: 200 - total flux cleaned = -0.00409726 Jy ! Total flux subtracted in 200 components = -0.00409726 Jy ! Clean residual min=-0.003633 max=0.003505 Jy/beam ! Clean residual mean=0.000032 rms=0.000915 Jy/beam ! Combined flux in latest and established models = 0.934192 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 57 components and 0.934192 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.427165Jy sigma=0.001134 ! Fit after self-cal, rms=0.427160Jy sigma=0.001134 ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.58989e-05 Jy ! Component: 100 - total flux cleaned = 3.36374e-05 Jy ! Component: 150 - total flux cleaned = 7.85853e-05 Jy ! Component: 200 - total flux cleaned = 0.000118625 Jy ! Total flux subtracted in 200 components = 0.000118625 Jy ! Clean residual min=-0.003584 max=0.003440 Jy/beam ! Clean residual mean=0.000032 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.934311 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 57 components and 0.93431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.427165Jy sigma=0.001134 ! Fit after self-cal, rms=0.427164Jy sigma=0.001134 ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.427164Jy sigma=0.001134 ! Fit after self-cal, rms=0.436908Jy sigma=0.001134 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative 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 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.613 mas, bmaj=1.923 mas, bpa=-2.07 degrees ! Estimated noise=977.973 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.686394 Jy ! Component: 100 - total flux cleaned = 0.836315 Jy ! Component: 150 - total flux cleaned = 0.878735 Jy ! Component: 200 - total flux cleaned = 0.898616 Jy ! Total flux subtracted in 200 components = 0.898616 Jy ! Clean residual min=-0.005840 max=0.009457 Jy/beam ! Clean residual mean=-0.000024 rms=0.001604 Jy/beam ! Combined flux in latest and established models = 0.898616 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.898616 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7394 mas, bmaj=2.042 mas, bpa=-1.97 degrees ! Estimated noise=642.955 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=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0142129 Jy ! Component: 100 - total flux cleaned = 0.0219142 Jy ! Component: 150 - total flux cleaned = 0.0264313 Jy ! Component: 200 - total flux cleaned = 0.0291582 Jy ! Total flux subtracted in 200 components = 0.0291582 Jy ! Clean residual min=-0.003378 max=0.003353 Jy/beam ! Clean residual mean=0.000023 rms=0.000900 Jy/beam ! Combined flux in latest and established models = 0.927775 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 44 components and 0.927775 Jy ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=2.159 mas, bmaj=3.266 mas, bpa=-2.912 degrees ! Estimated noise=812.996 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00291992 Jy ! Component: 100 - total flux cleaned = 0.00401284 Jy ! Component: 150 - total flux cleaned = 0.00410966 Jy ! Component: 200 - total flux cleaned = 0.00417086 Jy ! Total flux subtracted in 200 components = 0.00417086 Jy ! Clean residual min=-0.003900 max=0.004606 Jy/beam ! Clean residual mean=0.000070 rms=0.001176 Jy/beam ! Combined flux in latest and established models = 0.931946 Jy flux_cutoff = imstat(rms) * dynam 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=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.29349e-05 Jy ! Component: 100 - total flux cleaned = 6.81336e-05 Jy ! Component: 150 - total flux cleaned = 6.84858e-05 Jy ! Component: 200 - total flux cleaned = 5.53801e-05 Jy ! Total flux subtracted in 200 components = 5.53801e-05 Jy ! Clean residual min=-0.003907 max=0.004581 Jy/beam ! Clean residual mean=0.000070 rms=0.001172 Jy/beam ! Combined flux in latest and established models = 0.932001 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 47 components and 0.932001 Jy ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! Estimated beam: bmin=0.7394 mas, bmaj=2.042 mas, bpa=-1.97 degrees ! Estimated noise=642.955 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000100891 Jy ! Component: 100 - total flux cleaned = -0.000107694 Jy ! Component: 150 - total flux cleaned = -0.000259821 Jy ! Component: 200 - total flux cleaned = -0.000319036 Jy ! Total flux subtracted in 200 components = -0.000319036 Jy ! Clean residual min=-0.003235 max=0.003349 Jy/beam ! Clean residual mean=0.000028 rms=0.000873 Jy/beam ! Combined flux in latest and established models = 0.931682 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 50 components and 0.931682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.436878Jy sigma=0.001133 ! Fit after self-cal, rms=0.436875Jy sigma=0.001133 wmodel J0811+0146_X_2009_04_21_pus_map.mod ! Writing 50 model components to file: J0811+0146_X_2009_04_21_pus_map.mod wobs J0811+0146_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J0811+0146_X_2009_04_21_pus_uvs.fits wwins J0811+0146_X_2009_04_21_pus_map.win ! wwins: Wrote 1 windows to J0811+0146_X_2009_04_21_pus_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 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000108161 Jy ! Component: 100 - total flux cleaned = -0.000336255 Jy ! Component: 150 - total flux cleaned = -0.000499887 Jy ! Component: 200 - total flux cleaned = -0.000605329 Jy ! Component: 250 - total flux cleaned = -0.000709085 Jy ! Component: 300 - total flux cleaned = -0.00100783 Jy ! Component: 350 - total flux cleaned = -0.00105679 Jy ! Component: 400 - total flux cleaned = -0.00129214 Jy ! Component: 450 - total flux cleaned = -0.0013387 Jy ! Component: 500 - total flux cleaned = -0.00147466 Jy ! Component: 550 - total flux cleaned = -0.00182887 Jy ! Component: 600 - total flux cleaned = -0.00191516 Jy ! Component: 650 - total flux cleaned = -0.00217305 Jy ! Component: 700 - total flux cleaned = -0.00242703 Jy ! Component: 750 - total flux cleaned = -0.00271915 Jy ! Component: 800 - total flux cleaned = -0.00304753 Jy ! Component: 850 - total flux cleaned = -0.00341132 Jy ! Component: 900 - total flux cleaned = -0.00361052 Jy ! Component: 950 - total flux cleaned = -0.00380659 Jy ! Component: 1000 - total flux cleaned = -0.00392297 Jy ! Component: 1050 - total flux cleaned = -0.00407581 Jy ! Component: 1100 - total flux cleaned = -0.00407531 Jy ! Component: 1150 - total flux cleaned = -0.00422517 Jy ! Component: 1200 - total flux cleaned = -0.00437263 Jy ! Component: 1250 - total flux cleaned = -0.00433563 Jy ! Component: 1300 - total flux cleaned = -0.0044084 Jy ! Component: 1350 - total flux cleaned = -0.00444395 Jy ! Component: 1400 - total flux cleaned = -0.00447935 Jy ! Component: 1450 - total flux cleaned = -0.00440895 Jy ! Component: 1500 - total flux cleaned = -0.00433992 Jy ! Component: 1550 - total flux cleaned = -0.00440932 Jy ! Component: 1600 - total flux cleaned = -0.00447729 Jy ! Component: 1650 - total flux cleaned = -0.00437606 Jy ! Component: 1700 - total flux cleaned = -0.00440966 Jy ! Component: 1750 - total flux cleaned = -0.00450928 Jy ! Component: 1800 - total flux cleaned = -0.00454205 Jy ! Component: 1850 - total flux cleaned = -0.00457398 Jy ! Component: 1900 - total flux cleaned = -0.00447715 Jy ! Component: 1950 - total flux cleaned = -0.00463718 Jy ! Component: 2000 - total flux cleaned = -0.00463689 Jy ! Total flux subtracted in 2048 components = -0.00469906 Jy ! Clean residual min=-0.001784 max=0.001817 Jy/beam ! Clean residual mean=0.000017 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.926983 Jy keep ! Adding 160 model components to the UV plane model. ! The established model now contains 210 components and 0.926983 Jy ![Exited script file: muppet] wmap "J0811+0146_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7394 x 2.042 at -1.97 degrees (North through East) ! Clean map min=-0.0029228 max=0.88589 Jy/beam ! Writing clean map to FITS file: J0811+0146_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.885885 invert ! Inverting map ! Your choice of large map pixels excluded 1.43% of the data. ! The x-axis pixel size should ideally be below 0.1566 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000594099 device "J0811+0146_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J0811+0146_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.201188 0.201188 0.402377 0.804753 1.60951 3.21901 6.43803 12.8761 25.7521 51.5042 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.885 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7394 x 2.042 at -1.97 degrees (North through East) ! Clean map min=-0.0029228 max=0.88589 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0811+0146_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J0811+0146_X_2009_04_21_pus_map.gif/vgif' mapplot cln