! Started logfile: J2253+1942_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:56:59 2012 obs J2253+1942_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J2253+1942_X_2011_08_02_pus_uva.fits ! AN table 1: 23 integrations on 78 of 78 possible baselines. ! AN table 2: 478 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.170659 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2253+1942 ! ! 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 3146 lines of history. ! ! Reading 26676 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 J2253+1942_X_2011_08_02_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 239 telescope corrections were flagged in sub-array 1. ! A total of 4070 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 239 telescope corrections were flagged in sub-array 1. ! A total of 4070 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 239 telescope corrections were flagged in sub-array 1. ! A total of 4070 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 239 telescope corrections were flagged in sub-array 1. ! A total of 4199 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.798614Jy sigma=0.006787 ! Fit after self-cal, rms=0.710824Jy sigma=0.005968 ! 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 17.4% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! The y-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.5853 mas, bmaj=1.343 mas, bpa=45.32 degrees ! Estimated noise=1498.14 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 = 0.260376 Jy ! Component: 100 - total flux cleaned = 0.331157 Jy ! Total flux subtracted in 100 components = 0.331157 Jy ! Clean residual min=-0.014948 max=0.026484 Jy/beam ! Clean residual mean=-0.000158 rms=0.004278 Jy/beam ! Combined flux in latest and established models = 0.331157 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.331157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190473Jy sigma=0.001433 ! Fit after self-cal, rms=0.190769Jy sigma=0.001433 ! Inverting map ! Your choice of large map pixels excluded 17.4% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! The y-axis pixel size should ideally be below 0.1968 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267058 Jy ! Component: 100 - total flux cleaned = 0.0392987 Jy ! Total flux subtracted in 100 components = 0.0392987 Jy ! Clean residual min=-0.012816 max=0.012104 Jy/beam ! Clean residual mean=-0.000121 rms=0.003264 Jy/beam ! Combined flux in latest and established models = 0.370456 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 0.370456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186940Jy sigma=0.001388 ! Fit after self-cal, rms=0.186708Jy sigma=0.001388 ! Inverting map ! Your choice of large map pixels excluded 17.4% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! The y-axis pixel size should ideally be below 0.1968 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 17.4% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! The y-axis pixel size should ideally be below 0.1968 milli-arcsec ! Estimated beam: bmin=0.904 mas, bmaj=2.048 mas, bpa=43.43 degrees ! Estimated noise=529.586 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 = 0.0082797 Jy ! Component: 100 - total flux cleaned = 0.0111411 Jy ! Component: 150 - total flux cleaned = 0.0112924 Jy ! Component: 200 - total flux cleaned = 0.0113661 Jy ! Total flux subtracted in 200 components = 0.0113661 Jy ! Clean residual min=-0.015146 max=0.012472 Jy/beam ! Clean residual mean=-0.000507 rms=0.003849 Jy/beam ! Combined flux in latest and established models = 0.381822 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 30 components and 0.381822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186384Jy sigma=0.001384 ! Fit after self-cal, rms=0.186377Jy sigma=0.001384 ! Inverting map ! Your choice of large map pixels excluded 17.4% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! The y-axis pixel size should ideally be below 0.1968 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 FT 1.00* HH 1.00* ! HN 1.00* KP 0.88 LA 1.00 MK 1.03 ! NL 1.00* OV 1.00 PT 0.99 TS 1.00* ! WZ 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.92 FT 1.00* HH 1.05 ! HN 1.05 KP 0.88 LA 0.98 MK 1.00* ! NL 0.93 OV 1.03 PT 1.02 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.85 FT 1.00* HH 1.00* ! HN 1.00* KP 0.85 LA 1.02 MK 1.13 ! NL 1.00* OV 1.03 PT 1.11 TS 1.00* ! WZ 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 0.93 FT 1.00* HH 0.99 ! HN 1.06 KP 0.86 LA 1.00 MK 1.00* ! NL 1.07 OV 1.07 PT 1.09 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 FT 1.00* HH 1.00* ! HN 1.00* KP 0.79 LA 1.00 MK 1.10 ! NL 1.00* OV 0.99 PT 1.01 TS 1.00* ! WZ 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.90 FT 1.00* HH 1.03 ! HN 1.04 KP 0.77 LA 0.98 MK 1.00* ! NL 1.00 OV 1.06 PT 1.03 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 FT 1.00* HH 1.00* ! HN 1.00* KP 0.83 LA 1.04 MK 1.23 ! NL 1.00* OV 1.05 PT 1.08 TS 1.00* ! WZ 1.00* ! ! A total of 231 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.13 FD 0.99 FT 1.00* HH 1.13 ! HN 1.01 KP 0.84 LA 1.05 MK 1.00* ! NL 1.03 OV 1.09 PT 1.09 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.186377Jy sigma=0.001384 ! Fit after self-cal, rms=0.185336Jy sigma=0.001350 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=1.001 mas, bmaj=2.469 mas, bpa=38.09 degrees ! Estimated noise=537.352 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 = -0.00139574 Jy ! Component: 100 - total flux cleaned = -0.0015553 Jy ! Component: 150 - total flux cleaned = -0.00164943 Jy ! Component: 200 - total flux cleaned = -0.00177561 Jy ! Total flux subtracted in 200 components = -0.00177561 Jy ! Clean residual min=-0.004006 max=0.004102 Jy/beam ! Clean residual mean=-0.000237 rms=0.001117 Jy/beam ! Combined flux in latest and established models = 0.380046 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 34 components and 0.380046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185296Jy sigma=0.001350 ! Fit after self-cal, rms=0.185347Jy sigma=0.001350 ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=0.185347Jy sigma=0.001350 ! Fit after self-cal, rms=0.185979Jy sigma=0.001348 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=1.002 mas, bmaj=2.467 mas, bpa=38.1 degrees ! Estimated noise=535.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00128315 Jy ! Component: 100 - total flux cleaned = -0.00128204 Jy ! Component: 150 - total flux cleaned = -0.00131898 Jy ! Component: 200 - total flux cleaned = -0.00131594 Jy ! Total flux subtracted in 200 components = -0.00131594 Jy ! Clean residual min=-0.003347 max=0.003351 Jy/beam ! Clean residual mean=-0.000129 rms=0.000911 Jy/beam ! Combined flux in latest and established models = 0.37873 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 36 components and 0.37873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185953Jy sigma=0.001348 ! Fit after self-cal, rms=0.185958Jy sigma=0.001348 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 9.73162e-05 Jy ! Component: 100 - total flux cleaned = 9.89822e-05 Jy ! Component: 150 - total flux cleaned = 7.19519e-05 Jy ! Component: 200 - total flux cleaned = 7.19259e-05 Jy ! Total flux subtracted in 200 components = 7.19259e-05 Jy ! Clean residual min=-0.003362 max=0.003240 Jy/beam ! Clean residual mean=-0.000131 rms=0.000909 Jy/beam ! Combined flux in latest and established models = 0.378802 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 36 components and 0.378802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185948Jy sigma=0.001348 ! Fit after self-cal, rms=0.185939Jy sigma=0.001348 ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=0.185939Jy sigma=0.001348 ! Fit after self-cal, rms=0.186588Jy sigma=0.001347 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=1.005 mas, bmaj=2.462 mas, bpa=38.08 degrees ! Estimated noise=535.481 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000262683 Jy ! Component: 100 - total flux cleaned = 0.000227804 Jy ! Component: 150 - total flux cleaned = 0.000230529 Jy ! Component: 200 - total flux cleaned = 0.000232468 Jy ! Total flux subtracted in 200 components = 0.000232468 Jy ! Clean residual min=-0.002821 max=0.002900 Jy/beam ! Clean residual mean=-0.000002 rms=0.000780 Jy/beam ! Combined flux in latest and established models = 0.379035 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 37 components and 0.379035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186578Jy sigma=0.001347 ! Fit after self-cal, rms=0.186582Jy sigma=0.001347 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 0.000232255 Jy ! Component: 100 - total flux cleaned = 0.000206508 Jy ! Component: 150 - total flux cleaned = 0.000182071 Jy ! Component: 200 - total flux cleaned = 0.000137889 Jy ! Total flux subtracted in 200 components = 0.000137889 Jy ! Clean residual min=-0.002844 max=0.002856 Jy/beam ! Clean residual mean=-0.000004 rms=0.000774 Jy/beam ! Combined flux in latest and established models = 0.379173 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 37 components and 0.379173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186578Jy sigma=0.001347 ! Fit after self-cal, rms=0.186568Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 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=0.186568Jy sigma=0.001347 ! Fit after self-cal, rms=0.186309Jy sigma=0.001347 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=2.813 mas, bmaj=4.038 mas, bpa=-20.93 degrees ! Estimated noise=552.624 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00031787 Jy ! Component: 100 - total flux cleaned = 0.000317704 Jy ! Component: 150 - total flux cleaned = 0.000303845 Jy ! Component: 200 - total flux cleaned = 0.000303898 Jy ! Total flux subtracted in 200 components = 0.000303898 Jy ! Clean residual min=-0.002325 max=0.002686 Jy/beam ! Clean residual mean=0.000001 rms=0.000728 Jy/beam ! Combined flux in latest and established models = 0.379477 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 40 components and 0.379477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186306Jy sigma=0.001347 ! Fit after self-cal, rms=0.186305Jy sigma=0.001347 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 = 3.0797e-05 Jy ! Component: 100 - total flux cleaned = 2.98937e-05 Jy ! Component: 150 - total flux cleaned = 1.875e-05 Jy ! Component: 200 - total flux cleaned = 8.11329e-06 Jy ! Total flux subtracted in 200 components = 8.11329e-06 Jy ! Clean residual min=-0.002333 max=0.002653 Jy/beam ! Clean residual mean=0.000001 rms=0.000725 Jy/beam ! Combined flux in latest and established models = 0.379485 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 40 components and 0.379485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186304Jy sigma=0.001347 ! Fit after self-cal, rms=0.186302Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 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 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=1.009 mas, bmaj=2.46 mas, bpa=38.05 degrees ! Estimated noise=535.52 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.009 x 2.46 at 38.05 degrees (North through East) ! Clean map min=-0.0025564 max=0.3184 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 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 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.649 mas, bmaj=1.519 mas, bpa=40.23 degrees ! Estimated noise=1522.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.271392 Jy ! Component: 100 - total flux cleaned = 0.339263 Jy ! Component: 150 - total flux cleaned = 0.358691 Jy ! Component: 200 - total flux cleaned = 0.367253 Jy ! Total flux subtracted in 200 components = 0.367253 Jy ! Clean residual min=-0.009297 max=0.008756 Jy/beam ! Clean residual mean=-0.000015 rms=0.002479 Jy/beam ! Combined flux in latest and established models = 0.367254 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.367254 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=1.009 mas, bmaj=2.46 mas, bpa=38.05 degrees ! Estimated noise=535.52 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) ! Added new window around map position (-0.2, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0076668 Jy ! Component: 100 - total flux cleaned = 0.0111143 Jy ! Component: 150 - total flux cleaned = 0.0121466 Jy ! Component: 200 - total flux cleaned = 0.0122803 Jy ! Total flux subtracted in 200 components = 0.0122803 Jy ! Clean residual min=-0.002581 max=0.003004 Jy/beam ! Clean residual mean=-0.000000 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.379534 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 31 components and 0.379534 Jy ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! Estimated beam: bmin=0.7532 mas, bmaj=2.502 mas, bpa=39.35 degrees ! Estimated noise=614.587 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000436395 Jy ! Component: 100 - total flux cleaned = -0.00037169 Jy ! Component: 150 - total flux cleaned = -0.000311445 Jy ! Component: 200 - total flux cleaned = -0.000255558 Jy ! Total flux subtracted in 200 components = -0.000255558 Jy ! Clean residual min=-0.002959 max=0.003263 Jy/beam ! Clean residual mean=0.000007 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 0.379278 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.28668e-06 Jy ! Component: 100 - total flux cleaned = 5.40579e-05 Jy ! Component: 150 - total flux cleaned = 0.000102574 Jy ! Component: 200 - total flux cleaned = 0.00010149 Jy ! Total flux subtracted in 200 components = 0.00010149 Jy ! Clean residual min=-0.002812 max=0.003033 Jy/beam ! Clean residual mean=0.000007 rms=0.000790 Jy/beam ! Combined flux in latest and established models = 0.37938 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 46 components and 0.37938 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186681Jy sigma=0.001349 ! Fit after self-cal, rms=0.186619Jy sigma=0.001348 wmodel J2253+1942_X_2011_08_02_pus_map.mod ! Writing 46 model components to file: J2253+1942_X_2011_08_02_pus_map.mod wobs J2253+1942_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J2253+1942_X_2011_08_02_pus_uvs.fits wwins J2253+1942_X_2011_08_02_pus_map.win ! wwins: Wrote 2 windows to J2253+1942_X_2011_08_02_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 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 4.37064e-05 Jy ! Component: 100 - total flux cleaned = 0.000502914 Jy ! Component: 150 - total flux cleaned = 0.00112125 Jy ! Component: 200 - total flux cleaned = 0.00152738 Jy ! Component: 250 - total flux cleaned = 0.00161557 Jy ! Component: 300 - total flux cleaned = 0.00157437 Jy ! Component: 350 - total flux cleaned = 0.00141491 Jy ! Component: 400 - total flux cleaned = 0.00129986 Jy ! Component: 450 - total flux cleaned = 0.00118773 Jy ! Component: 500 - total flux cleaned = 0.00118794 Jy ! Component: 550 - total flux cleaned = 0.00108108 Jy ! Component: 600 - total flux cleaned = 0.000942732 Jy ! Component: 650 - total flux cleaned = 0.000942561 Jy ! Component: 700 - total flux cleaned = 0.000843315 Jy ! Component: 750 - total flux cleaned = 0.000810519 Jy ! Component: 800 - total flux cleaned = 0.000778533 Jy ! Component: 850 - total flux cleaned = 0.000716695 Jy ! Component: 900 - total flux cleaned = 0.000625279 Jy ! Component: 950 - total flux cleaned = 0.000536281 Jy ! Component: 1000 - total flux cleaned = 0.000478442 Jy ! Component: 1050 - total flux cleaned = 0.000507277 Jy ! Component: 1100 - total flux cleaned = 0.000479084 Jy ! Component: 1150 - total flux cleaned = 0.000451226 Jy ! Component: 1200 - total flux cleaned = 0.000505529 Jy ! Component: 1250 - total flux cleaned = 0.000424775 Jy ! Component: 1300 - total flux cleaned = 0.000504165 Jy ! Component: 1350 - total flux cleaned = 0.000477992 Jy ! Component: 1400 - total flux cleaned = 0.000477887 Jy ! Component: 1450 - total flux cleaned = 0.000478086 Jy ! Component: 1500 - total flux cleaned = 0.000452999 Jy ! Component: 1550 - total flux cleaned = 0.000428718 Jy ! Component: 1600 - total flux cleaned = 0.000355677 Jy ! Component: 1650 - total flux cleaned = 0.000380068 Jy ! Component: 1700 - total flux cleaned = 0.000308746 Jy ! Component: 1750 - total flux cleaned = 0.000285246 Jy ! Component: 1800 - total flux cleaned = 0.000238727 Jy ! Component: 1850 - total flux cleaned = 0.000215891 Jy ! Component: 1900 - total flux cleaned = 0.000215925 Jy ! Component: 1950 - total flux cleaned = 0.000193359 Jy ! Component: 2000 - total flux cleaned = 0.000149392 Jy ! Total flux subtracted in 2048 components = 0.000149505 Jy ! Clean residual min=-0.001176 max=0.001220 Jy/beam ! Clean residual mean=0.000004 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.379529 Jy keep ! Adding 110 model components to the UV plane model. ! The established model now contains 156 components and 0.379529 Jy ![Exited script file: muppet] wmap "J2253+1942_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7532 x 2.502 at 39.35 degrees (North through East) ! Clean map min=-0.0022531 max=0.32973 Jy/beam ! Writing clean map to FITS file: J2253+1942_X_2011_08_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.329726 invert ! Inverting map ! Your choice of large map pixels excluded 17.8% of the data. ! The x-axis pixel size should ideally be below 0.1639 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000395012 device "J2253+1942_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2253+1942_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.3594 0.3594 0.7188 1.4376 2.8752 5.7504 11.5008 23.0016 46.0032 92.0064 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.329 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7532 x 2.502 at 39.35 degrees (North through East) ! Clean map min=-0.0022531 max=0.32973 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2253+1942_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2253+1942_X_2011_08_02_pus_map.gif/vgif' mapplot cln