! Started logfile: J1147-3812_S_1999_03_08_pus_uvs.log on Tue Jan 8 18:21:54 2008 obs J1147-3812_S_1999_03_08_pus_uva.fits ! Reading UV FITS file: J1147-3812_S_1999_03_08_pus_uva.fits ! AN table 1: 17 integrations on 190 of 190 possible baselines. ! AN table 2: 17 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0656347 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1147-3812 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2332 lines of history. ! ! Reading 1696 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J1147-3812_S_1999_03_08_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 0.500x0.500 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 221 telescope corrections were flagged in sub-array 1. ! A total of 340 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 221 telescope corrections were flagged in sub-array 1. ! A total of 340 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 221 telescope corrections were flagged in sub-array 1. ! A total of 340 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 221 telescope corrections were flagged in sub-array 1. ! A total of 340 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.719066Jy sigma=0.002728 ! Fit after self-cal, rms=0.460732Jy sigma=0.002370 ! 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 ! Estimated beam: bmin=2.265 mas, bmaj=7.515 mas, bpa=-1.028 degrees ! Estimated noise=3708.49 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 = 0.570201 Jy ! Component: 100 - total flux cleaned = 0.710361 Jy ! Total flux subtracted in 100 components = 0.710361 Jy ! Clean residual min=-0.036705 max=0.061526 Jy/beam ! Clean residual mean=-0.001267 rms=0.013359 Jy/beam ! Combined flux in latest and established models = 0.710361 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.710361 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374438Jy sigma=0.001642 ! Fit after self-cal, rms=0.374569Jy sigma=0.001641 ! Inverting map 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 ! Estimated beam: bmin=2.346 mas, bmaj=7.963 mas, bpa=-1.447 degrees ! Estimated noise=2506.22 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 = 0.079317 Jy ! Component: 100 - total flux cleaned = 0.122418 Jy ! Component: 150 - total flux cleaned = 0.147854 Jy ! Component: 200 - total flux cleaned = 0.163144 Jy ! Total flux subtracted in 200 components = 0.163144 Jy ! Clean residual min=-0.022536 max=0.028960 Jy/beam ! Clean residual mean=-0.000954 rms=0.007753 Jy/beam ! Combined flux in latest and established models = 0.873505 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 44 components and 0.873505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359620Jy sigma=0.001407 ! Fit after self-cal, rms=0.360136Jy sigma=0.001407 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 GC 1.00* GG 1.00* ! HN 1.00* KP 0.94 LA 1.00* NL 1.15 ! OV 0.94 PT 0.99 SC 0.98 WF 1.00* ! GN 1.12 HH 1.00* KK 0.98 MC 1.00* ! MK 0.94 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HN 1.00* KP 0.91 LA 1.00* NL 1.12 ! OV 0.92 PT 1.00 SC 1.03 WF 1.00* ! GN 1.09 HH 1.00* KK 0.96 MC 1.00* ! MK 0.98 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HN 1.00* KP 1.08 LA 1.00* NL 1.19 ! OV 0.96 PT 0.96 SC 1.00 WF 1.00* ! GN 1.04 HH 1.00* KK 1.00 MC 1.00* ! MK 0.98 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HN 1.00* KP 0.95 LA 1.00* NL 1.18 ! OV 0.94 PT 1.22 SC 0.96 WF 1.00* ! GN 1.05 HH 1.00* KK 1.03 MC 1.00* ! MK 1.01 NY 1.00* ON 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.360136Jy sigma=0.001407 ! Fit after self-cal, rms=0.400260Jy sigma=0.001306 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.4 mas, bmaj=7.939 mas, bpa=-1.488 degrees ! Estimated noise=2533.26 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 = 0.0119907 Jy ! Component: 100 - total flux cleaned = 0.0150727 Jy ! Component: 150 - total flux cleaned = 0.0154508 Jy ! Component: 200 - total flux cleaned = 0.015453 Jy ! Total flux subtracted in 200 components = 0.015453 Jy ! Clean residual min=-0.012641 max=0.013080 Jy/beam ! Clean residual mean=-0.000584 rms=0.004216 Jy/beam ! Combined flux in latest and established models = 0.888958 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 64 components and 0.888958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.399487Jy sigma=0.001303 ! Fit after self-cal, rms=0.399796Jy sigma=0.001302 ! Inverting map 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=0.399796Jy sigma=0.001302 ! Fit after self-cal, rms=0.400073Jy sigma=0.001299 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.385 mas, bmaj=7.921 mas, bpa=-1.58 degrees ! Estimated noise=2536.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00816458 Jy ! Component: 100 - total flux cleaned = 0.0094321 Jy ! Component: 150 - total flux cleaned = 0.0101961 Jy ! Component: 200 - total flux cleaned = 0.0102056 Jy ! Total flux subtracted in 200 components = 0.0102056 Jy ! Clean residual min=-0.011765 max=0.011994 Jy/beam ! Clean residual mean=-0.000447 rms=0.003779 Jy/beam ! Combined flux in latest and established models = 0.899163 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 70 components and 0.899163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.399596Jy sigma=0.001298 ! Fit after self-cal, rms=0.399631Jy sigma=0.001298 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000207163 Jy ! Component: 100 - total flux cleaned = 9.19901e-06 Jy ! Component: 150 - total flux cleaned = 1.04241e-05 Jy ! Component: 200 - total flux cleaned = -4.36185e-05 Jy ! Total flux subtracted in 200 components = -4.36184e-05 Jy ! Clean residual min=-0.011902 max=0.011676 Jy/beam ! Clean residual mean=-0.000448 rms=0.003776 Jy/beam ! Combined flux in latest and established models = 0.89912 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 75 components and 0.899119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.399545Jy sigma=0.001297 ! Fit after self-cal, rms=0.399567Jy sigma=0.001297 ! Inverting map 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=0.399567Jy sigma=0.001297 ! Fit after self-cal, rms=0.399990Jy sigma=0.001296 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.375 mas, bmaj=7.907 mas, bpa=-1.64 degrees ! Estimated noise=2538.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00524837 Jy ! Component: 100 - total flux cleaned = 0.00605051 Jy ! Component: 150 - total flux cleaned = 0.00641298 Jy ! Component: 200 - total flux cleaned = 0.0064185 Jy ! Total flux subtracted in 200 components = 0.0064185 Jy ! Clean residual min=-0.011510 max=0.010984 Jy/beam ! Clean residual mean=-0.000345 rms=0.003500 Jy/beam ! Combined flux in latest and established models = 0.905538 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 79 components and 0.905538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.399698Jy sigma=0.001295 ! Fit after self-cal, rms=0.399741Jy sigma=0.001295 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -5.18236e-05 Jy ! Component: 100 - total flux cleaned = -4.50588e-05 Jy ! Component: 150 - total flux cleaned = -0.000157671 Jy ! Component: 200 - total flux cleaned = -0.000154565 Jy ! Total flux subtracted in 200 components = -0.000154565 Jy ! Clean residual min=-0.011510 max=0.010956 Jy/beam ! Clean residual mean=-0.000347 rms=0.003503 Jy/beam ! Combined flux in latest and established models = 0.905384 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 81 components and 0.905384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.399677Jy sigma=0.001295 ! Fit after self-cal, rms=0.399705Jy sigma=0.001295 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.399705Jy sigma=0.001295 ! Fit after self-cal, rms=0.400277Jy sigma=0.001294 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.861 mas, bmaj=22.18 mas, bpa=8.861 degrees ! Estimated noise=3634.86 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00560853 Jy ! Component: 100 - total flux cleaned = 0.00772689 Jy ! Component: 150 - total flux cleaned = 0.00829581 Jy ! Component: 200 - total flux cleaned = 0.00835055 Jy ! Total flux subtracted in 200 components = 0.00835055 Jy ! Clean residual min=-0.014789 max=0.015361 Jy/beam ! Clean residual mean=-0.000648 rms=0.005365 Jy/beam ! Combined flux in latest and established models = 0.913734 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 84 components and 0.913734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.400361Jy sigma=0.001296 ! Fit after self-cal, rms=0.400375Jy sigma=0.001296 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 5.61377e-05 Jy ! Component: 100 - total flux cleaned = 0.000102572 Jy ! Component: 150 - total flux cleaned = 0.000147754 Jy ! Component: 200 - total flux cleaned = 0.00019098 Jy ! Total flux subtracted in 200 components = 0.00019098 Jy ! Clean residual min=-0.014786 max=0.015410 Jy/beam ! Clean residual mean=-0.000642 rms=0.005352 Jy/beam ! Combined flux in latest and established models = 0.913925 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 85 components and 0.913925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.400390Jy sigma=0.001296 ! Fit after self-cal, rms=0.400397Jy sigma=0.001296 ! Inverting map 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 ! Estimated beam: bmin=2.369 mas, bmaj=7.897 mas, bpa=-1.673 degrees ! Estimated noise=2540.59 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.369 x 7.897 at -1.673 degrees (North through East) ! Clean map min=-0.011132 max=0.72736 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=0.400397Jy sigma=0.001296 ! Fit after self-cal, rms=0.441020Jy sigma=0.001154 ! Inverting map and beam ! Estimated beam: bmin=2.371 mas, bmaj=7.903 mas, bpa=-1.626 degrees ! Estimated noise=2552.01 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000375485 Jy ! Component: 100 - total flux cleaned = -0.000668367 Jy ! Component: 150 - total flux cleaned = -0.000665005 Jy ! Component: 200 - total flux cleaned = -0.000588967 Jy ! Total flux subtracted in 200 components = -0.000588967 Jy ! Clean residual min=-0.011812 max=0.011112 Jy/beam ! Clean residual mean=-0.000310 rms=0.003409 Jy/beam ! Combined flux in latest and established models = 0.913336 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 89 components and 0.913336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.440920Jy sigma=0.001154 ! Fit after self-cal, rms=0.440934Jy sigma=0.001154 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000123267 Jy ! Component: 100 - total flux cleaned = -0.000252159 Jy ! Component: 150 - total flux cleaned = -0.000368944 Jy ! Component: 200 - total flux cleaned = -0.000420403 Jy ! Total flux subtracted in 200 components = -0.000420403 Jy ! Clean residual min=-0.011795 max=0.011000 Jy/beam ! Clean residual mean=-0.000315 rms=0.003407 Jy/beam ! Combined flux in latest and established models = 0.912916 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 90 components and 0.912916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.440907Jy sigma=0.001154 ! Fit after self-cal, rms=0.440921Jy sigma=0.001154 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.440921Jy sigma=0.001154 ! Fit after self-cal, rms=0.439626Jy sigma=0.001153 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 ! Estimated beam: bmin=2.241 mas, bmaj=7.445 mas, bpa=-0.962 degrees ! Estimated noise=3804.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.579407 Jy ! Component: 100 - total flux cleaned = 0.727167 Jy ! Component: 150 - total flux cleaned = 0.797267 Jy ! Component: 200 - total flux cleaned = 0.837146 Jy ! Total flux subtracted in 200 components = 0.837146 Jy ! Clean residual min=-0.020447 max=0.023259 Jy/beam ! Clean residual mean=-0.000591 rms=0.006040 Jy/beam ! Combined flux in latest and established models = 0.837146 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.837146 Jy ! Inverting map and beam ! Estimated beam: bmin=2.369 mas, bmaj=7.899 mas, bpa=-1.657 degrees ! Estimated noise=2550.37 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 = 0.0304409 Jy ! Component: 100 - total flux cleaned = 0.0474129 Jy ! Component: 150 - total flux cleaned = 0.0576316 Jy ! Component: 200 - total flux cleaned = 0.0638347 Jy ! Total flux subtracted in 200 components = 0.0638347 Jy ! Clean residual min=-0.013076 max=0.011436 Jy/beam ! Clean residual mean=-0.000414 rms=0.003493 Jy/beam ! Combined flux in latest and established models = 0.900981 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 41 components and 0.900981 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.863 mas, bmaj=22.2 mas, bpa=8.841 degrees ! Estimated noise=3646.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00934166 Jy ! Component: 100 - total flux cleaned = 0.0127681 Jy ! Component: 150 - total flux cleaned = 0.0130147 Jy ! Component: 200 - total flux cleaned = 0.0132332 Jy ! Total flux subtracted in 200 components = 0.0132332 Jy ! Clean residual min=-0.014992 max=0.015593 Jy/beam ! Clean residual mean=-0.000704 rms=0.005269 Jy/beam ! Combined flux in latest and established models = 0.914214 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 = 0.000200031 Jy ! Component: 100 - total flux cleaned = 0.000319202 Jy ! Component: 150 - total flux cleaned = 0.000433789 Jy ! Component: 200 - total flux cleaned = 0.000591505 Jy ! Total flux subtracted in 200 components = 0.000591505 Jy ! Clean residual min=-0.014875 max=0.015676 Jy/beam ! Clean residual mean=-0.000685 rms=0.005224 Jy/beam ! Combined flux in latest and established models = 0.914805 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 47 components and 0.914805 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.369 mas, bmaj=7.899 mas, bpa=-1.657 degrees ! Estimated noise=2550.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00279145 Jy ! Component: 100 - total flux cleaned = -0.00326177 Jy ! Component: 150 - total flux cleaned = -0.00359322 Jy ! Component: 200 - total flux cleaned = -0.00382824 Jy ! Total flux subtracted in 200 components = -0.00382824 Jy ! Clean residual min=-0.012246 max=0.011004 Jy/beam ! Clean residual mean=-0.000292 rms=0.003299 Jy/beam ! Combined flux in latest and established models = 0.910977 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 0.910977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.439509Jy sigma=0.001153 ! Fit after self-cal, rms=0.439483Jy sigma=0.001153 wmodel J1147-3812_S_1999_03_08_pus_map.mod ! Writing 56 model components to file: J1147-3812_S_1999_03_08_pus_map.mod wobs J1147-3812_S_1999_03_08_pus_uvs.fits ! Writing UV FITS file: J1147-3812_S_1999_03_08_pus_uvs.fits wwins J1147-3812_S_1999_03_08_pus_map.win ! wwins: Wrote 1 windows to J1147-3812_S_1999_03_08_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00243268 Jy ! Component: 100 - total flux cleaned = -0.00209456 Jy ! Component: 150 - total flux cleaned = -0.000937946 Jy ! Component: 200 - total flux cleaned = -0.000935143 Jy ! Component: 250 - total flux cleaned = -0.000210377 Jy ! Component: 300 - total flux cleaned = 6.76672e-05 Jy ! Component: 350 - total flux cleaned = -6.62542e-05 Jy ! Component: 400 - total flux cleaned = -0.000444331 Jy ! Component: 450 - total flux cleaned = -0.000682066 Jy ! Component: 500 - total flux cleaned = -0.000796817 Jy ! Component: 550 - total flux cleaned = -0.00102006 Jy ! Component: 600 - total flux cleaned = -0.00123261 Jy ! Component: 650 - total flux cleaned = -0.00144244 Jy ! Component: 700 - total flux cleaned = -0.001644 Jy ! Component: 750 - total flux cleaned = -0.0021313 Jy ! Component: 800 - total flux cleaned = -0.00232015 Jy ! Component: 850 - total flux cleaned = -0.00269168 Jy ! Component: 900 - total flux cleaned = -0.00304614 Jy ! Component: 950 - total flux cleaned = -0.00295731 Jy ! Component: 1000 - total flux cleaned = -0.00304417 Jy ! Component: 1050 - total flux cleaned = -0.0030468 Jy ! Component: 1100 - total flux cleaned = -0.00320682 Jy ! Component: 1150 - total flux cleaned = -0.0032083 Jy ! Component: 1200 - total flux cleaned = -0.00336166 Jy ! Component: 1250 - total flux cleaned = -0.00365922 Jy ! Component: 1300 - total flux cleaned = -0.00358494 Jy ! Component: 1350 - total flux cleaned = -0.00394374 Jy ! Component: 1400 - total flux cleaned = -0.00415518 Jy ! Component: 1450 - total flux cleaned = -0.00443157 Jy ! Component: 1500 - total flux cleaned = -0.00443147 Jy ! Component: 1550 - total flux cleaned = -0.00489886 Jy ! Component: 1600 - total flux cleaned = -0.00535826 Jy ! Component: 1650 - total flux cleaned = -0.005746 Jy ! Component: 1700 - total flux cleaned = -0.00625497 Jy ! Component: 1750 - total flux cleaned = -0.00669479 Jy ! Component: 1800 - total flux cleaned = -0.00725212 Jy ! Component: 1850 - total flux cleaned = -0.00767894 Jy ! Component: 1900 - total flux cleaned = -0.0081601 Jy ! Component: 1950 - total flux cleaned = -0.00839875 Jy ! Component: 2000 - total flux cleaned = -0.00892754 Jy ! Total flux subtracted in 2048 components = -0.00950655 Jy ! Clean residual min=-0.003280 max=0.003897 Jy/beam ! Clean residual mean=-0.000091 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.90147 Jy keep ! Adding 142 model components to the UV plane model. ! The established model now contains 198 components and 0.901471 Jy ![Exited script file: muppet] wmap "J1147-3812_S_1999_03_08_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.369 x 7.899 at -1.657 degrees (North through East) ! Clean map min=-0.0088196 max=0.73278 Jy/beam ! Writing clean map to FITS file: J1147-3812_S_1999_03_08_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.732776 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00121283 device "J1147-3812_S_1999_03_08_pus\_map.eps/VPS" ! Attempting to open device: 'J1147-3812_S_1999_03_08_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.496536 0.496536 0.993072 1.98614 3.97229 7.94457 15.8891 31.7783 63.5566 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.732 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.369 x 7.899 at -1.657 degrees (North through East) ! Clean map min=-0.0088196 max=0.73278 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1147-3812_S_1999_03_08_pus\_map.gif/vgif" ! Attempting to open device: 'J1147-3812_S_1999_03_08_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1147-3812_S_1999_03_08_pus_uvs.log closed on Tue Jan 8 18:22:38 2008