! Started logfile: J1802-3940_S_2011_06_28_pus_uvs.log on Tue Apr 24 22:44:23 2012 obs J1802-3940_S_2011_06_28_pus_uva.fits ! Reading UV FITS file: J1802-3940_S_2011_06_28_pus_uva.fits ! AN table 1: 62 integrations on 153 of 153 possible baselines. ! AN table 2: 119 integrations on 153 of 153 possible baselines. ! AN table 3: 11 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0375136 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1802-3940 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 4589 lines of history. ! ! Reading 4408 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 J1802-3940_S_2011_06_28_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 903 telescope corrections were flagged in sub-array 1. ! A total of 1955 telescope corrections were flagged in sub-array 2. ! A total of 130 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 903 telescope corrections were flagged in sub-array 1. ! A total of 1955 telescope corrections were flagged in sub-array 2. ! A total of 130 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 903 telescope corrections were flagged in sub-array 1. ! A total of 1868 telescope corrections were flagged in sub-array 2. ! A total of 130 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 903 telescope corrections were flagged in sub-array 1. ! A total of 1868 telescope corrections were flagged in sub-array 2. ! A total of 130 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.592360Jy sigma=0.005737 ! Fit after self-cal, rms=0.452273Jy sigma=0.004429 ! 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=2.1 mas, bmaj=10.27 mas, bpa=0.0892 degrees ! Estimated noise=1871.12 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 = 0.90107 Jy ! Component: 100 - total flux cleaned = 1.11904 Jy ! Total flux subtracted in 100 components = 1.11904 Jy ! Clean residual min=-0.055664 max=0.097400 Jy/beam ! Clean residual mean=-0.000686 rms=0.018893 Jy/beam ! Combined flux in latest and established models = 1.11904 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 1.11904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385552Jy sigma=0.003689 ! Fit after self-cal, rms=0.385564Jy sigma=0.003689 ! 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=2.666 mas, bmaj=12.07 mas, bpa=-2.267 degrees ! Estimated noise=1235.76 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 = 0.246394 Jy ! Component: 100 - total flux cleaned = 0.367189 Jy ! Component: 150 - total flux cleaned = 0.429724 Jy ! Component: 200 - total flux cleaned = 0.466034 Jy ! Total flux subtracted in 200 components = 0.466034 Jy ! Clean residual min=-0.025497 max=0.061016 Jy/beam ! Clean residual mean=-0.001028 rms=0.010970 Jy/beam ! Combined flux in latest and established models = 1.58507 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 52 components and 1.58507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.237057Jy sigma=0.001680 ! Fit after self-cal, rms=0.236910Jy sigma=0.001678 ! Inverting map ! Added new window around map position (4, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0555351 Jy ! Component: 100 - total flux cleaned = 0.0765736 Jy ! Component: 150 - total flux cleaned = 0.0801027 Jy ! Component: 200 - total flux cleaned = 0.0818622 Jy ! Total flux subtracted in 200 components = 0.0818622 Jy ! Clean residual min=-0.028866 max=0.035654 Jy/beam ! Clean residual mean=-0.000589 rms=0.006656 Jy/beam ! Combined flux in latest and established models = 1.66693 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 77 components and 1.66693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220626Jy sigma=0.001543 ! Fit after self-cal, rms=0.218902Jy sigma=0.001518 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 FT 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 0.96 MC 1.00* ! MK 0.99 NL 1.33 NY 1.00* OV 0.96 ! PT 0.98 SC 1.00* SH 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 FT 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 0.99 MC 1.00* ! MK 0.97 NL 1.00* NY 1.00* OV 0.94 ! PT 1.01 SC 1.00* SH 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00 FT 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 MC 1.00* ! MK 1.00* NL 1.17 NY 1.00* OV 0.96 ! PT 1.04 SC 1.03 SH 1.00* TS 1.00* ! WF 1.60 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 FT 1.00* HH 1.00* ! HN 1.00* KK 1.01 KP 1.01 MC 1.00* ! MK 0.98 NL 1.32 NY 1.00* OV 0.99 ! PT 0.96 SC 1.00* SH 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 FT 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 1.02 MC 1.00* ! MK 0.94 NL 1.00* NY 1.00* OV 1.00 ! PT 0.99 SC 1.00* SH 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 FT 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.03 MC 1.00* ! MK 1.00* NL 1.09 NY 1.00* OV 1.00 ! PT 1.02 SC 0.98 SH 1.00* TS 1.00* ! WF 1.65 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 FT 1.00* HH 1.00* ! HN 1.00* KK 1.02 KP 1.01 MC 1.00* ! MK 0.97 NL 1.34 NY 1.00* OV 1.00 ! PT 1.02 SC 1.00* SH 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 FT 1.00* HH 1.00* ! HN 1.00* KK 1.03 KP 1.01 MC 1.00* ! MK 0.94 NL 1.00* NY 1.00* OV 1.01 ! PT 1.05 SC 1.00* SH 1.06 TS 1.11 ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00 FT 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.00 MC 1.00* ! MK 1.00* NL 1.18 NY 1.00* OV 1.01 ! PT 1.03 SC 0.99 SH 1.00* TS 1.00* ! WF 1.83 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 FT 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 0.99 MC 1.00* ! MK 1.00 NL 1.29 NY 1.00* OV 0.98 ! PT 0.97 SC 1.00* SH 1.00* TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 FT 1.00* HH 1.00* ! HN 1.00* KK 1.02 KP 1.00 MC 1.00* ! MK 0.97 NL 1.00* NY 1.00* OV 0.99 ! PT 1.02 SC 1.00* SH 0.94 TS 0.95 ! WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.99 FT 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.01 MC 1.00* ! MK 1.00* NL 1.13 NY 1.00* OV 1.01 ! PT 1.01 SC 0.97 SH 1.00* TS 1.00* ! WF 1.93 WZ 1.00* ! ! ! Fit before self-cal, rms=0.218902Jy sigma=0.001518 ! Fit after self-cal, rms=0.192310Jy sigma=0.001192 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.743 mas, bmaj=12.1 mas, bpa=-3.41 degrees ! Estimated noise=1307.58 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 = -0.00747637 Jy ! Component: 100 - total flux cleaned = -0.0079311 Jy ! Component: 150 - total flux cleaned = -0.00813479 Jy ! Component: 200 - total flux cleaned = -0.00830531 Jy ! Total flux subtracted in 200 components = -0.00830531 Jy ! Clean residual min=-0.008609 max=0.008159 Jy/beam ! Clean residual mean=-0.000471 rms=0.002393 Jy/beam ! Combined flux in latest and established models = 1.65863 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 93 components and 1.65863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191706Jy sigma=0.001185 ! Fit after self-cal, rms=0.192204Jy sigma=0.001185 ! 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=0.192204Jy sigma=0.001185 ! Fit after self-cal, rms=0.192246Jy sigma=0.001182 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.745 mas, bmaj=12.11 mas, bpa=-3.443 degrees ! Estimated noise=1306.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00437195 Jy ! Component: 100 - total flux cleaned = -0.00455087 Jy ! Component: 150 - total flux cleaned = -0.0048623 Jy ! Component: 200 - total flux cleaned = -0.00486404 Jy ! Total flux subtracted in 200 components = -0.00486404 Jy ! Clean residual min=-0.008163 max=0.007242 Jy/beam ! Clean residual mean=-0.000465 rms=0.002187 Jy/beam ! Combined flux in latest and established models = 1.65376 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 99 components and 1.65376 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191889Jy sigma=0.001178 ! Fit after self-cal, rms=0.191855Jy sigma=0.001178 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 = -0.00038371 Jy ! Component: 100 - total flux cleaned = -0.000511948 Jy ! Component: 150 - total flux cleaned = -0.000752646 Jy ! Component: 200 - total flux cleaned = -0.000977391 Jy ! Total flux subtracted in 200 components = -0.000977391 Jy ! Clean residual min=-0.007896 max=0.006968 Jy/beam ! Clean residual mean=-0.000467 rms=0.002136 Jy/beam ! Combined flux in latest and established models = 1.65279 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 111 components and 1.65279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191671Jy sigma=0.001176 ! Fit after self-cal, rms=0.191659Jy sigma=0.001176 ! 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=0.191659Jy sigma=0.001176 ! Fit after self-cal, rms=0.190140Jy sigma=0.001151 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.746 mas, bmaj=12.13 mas, bpa=-3.453 degrees ! Estimated noise=1306.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00258657 Jy ! Component: 100 - total flux cleaned = -0.00246328 Jy ! Component: 150 - total flux cleaned = -0.00247186 Jy ! Component: 200 - total flux cleaned = -0.00247318 Jy ! Total flux subtracted in 200 components = -0.00247318 Jy ! Clean residual min=-0.005803 max=0.005343 Jy/beam ! Clean residual mean=-0.000159 rms=0.001636 Jy/beam ! Combined flux in latest and established models = 1.65031 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 128 components and 1.65031 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189913Jy sigma=0.001149 ! Fit after self-cal, rms=0.189909Jy sigma=0.001149 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 = -0.000406479 Jy ! Component: 100 - total flux cleaned = -0.000310837 Jy ! Component: 150 - total flux cleaned = -0.000221586 Jy ! Component: 200 - total flux cleaned = -0.00022073 Jy ! Total flux subtracted in 200 components = -0.00022073 Jy ! Clean residual min=-0.005769 max=0.005098 Jy/beam ! Clean residual mean=-0.000161 rms=0.001609 Jy/beam ! Combined flux in latest and established models = 1.65009 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 141 components and 1.65009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189769Jy sigma=0.001148 ! Fit after self-cal, rms=0.189764Jy sigma=0.001148 ! 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=0.189764Jy sigma=0.001148 ! Fit after self-cal, rms=0.189967Jy sigma=0.001148 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.202 mas, bmaj=25.37 mas, bpa=-0.5071 degrees ! Estimated noise=1782.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000704551 Jy ! Component: 100 - total flux cleaned = -0.000633769 Jy ! Component: 150 - total flux cleaned = -0.000570136 Jy ! Component: 200 - total flux cleaned = -0.000567576 Jy ! Total flux subtracted in 200 components = -0.000567576 Jy ! Clean residual min=-0.006798 max=0.006268 Jy/beam ! Clean residual mean=-0.000280 rms=0.002039 Jy/beam ! Combined flux in latest and established models = 1.64952 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 158 components and 1.64952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189913Jy sigma=0.001148 ! Fit after self-cal, rms=0.189891Jy sigma=0.001148 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 = -0.000166942 Jy ! Component: 100 - total flux cleaned = -0.000109439 Jy ! Component: 150 - total flux cleaned = -8.80389e-06 Jy ! Component: 200 - total flux cleaned = 4.06492e-05 Jy ! Total flux subtracted in 200 components = 4.06492e-05 Jy ! Clean residual min=-0.006965 max=0.006204 Jy/beam ! Clean residual mean=-0.000283 rms=0.002053 Jy/beam ! Combined flux in latest and established models = 1.64957 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 164 components and 1.64957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189860Jy sigma=0.001148 ! Fit after self-cal, rms=0.189843Jy sigma=0.001148 ! 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=2.747 mas, bmaj=12.13 mas, bpa=-3.472 degrees ! Estimated noise=1305.59 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.747 x 12.13 at -3.472 degrees (North through East) ! Clean map min=-0.0056343 max=1.2725 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=0.189843Jy sigma=0.001148 ! Fit after self-cal, rms=0.174303Jy sigma=0.000958 ! Inverting map and beam ! Estimated beam: bmin=2.746 mas, bmaj=12.13 mas, bpa=-3.471 degrees ! Estimated noise=1304.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00207944 Jy ! Component: 100 - total flux cleaned = -0.00227108 Jy ! Component: 150 - total flux cleaned = -0.00226905 Jy ! Component: 200 - total flux cleaned = -0.00226929 Jy ! Total flux subtracted in 200 components = -0.00226929 Jy ! Clean residual min=-0.005475 max=0.004822 Jy/beam ! Clean residual mean=-0.000090 rms=0.001516 Jy/beam ! Combined flux in latest and established models = 1.6473 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 174 components and 1.6473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174143Jy sigma=0.000957 ! Fit after self-cal, rms=0.174135Jy sigma=0.000956 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000537372 Jy ! Component: 100 - total flux cleaned = -0.000538817 Jy ! Component: 150 - total flux cleaned = -0.000539393 Jy ! Component: 200 - total flux cleaned = -0.000537968 Jy ! Total flux subtracted in 200 components = -0.000537968 Jy ! Clean residual min=-0.005446 max=0.004750 Jy/beam ! Clean residual mean=-0.000093 rms=0.001512 Jy/beam ! Combined flux in latest and established models = 1.64676 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 182 components and 1.64676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174046Jy sigma=0.000956 ! Fit after self-cal, rms=0.174045Jy sigma=0.000956 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174045Jy sigma=0.000956 ! Fit after self-cal, rms=0.174360Jy sigma=0.000956 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=2.204 mas, bmaj=10.18 mas, bpa=-0.9651 degrees ! Estimated noise=1994.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.936599 Jy ! Component: 100 - total flux cleaned = 1.16597 Jy ! Component: 150 - total flux cleaned = 1.29289 Jy ! Component: 200 - total flux cleaned = 1.37823 Jy ! Total flux subtracted in 200 components = 1.37823 Jy ! Clean residual min=-0.023366 max=0.045986 Jy/beam ! Clean residual mean=-0.000440 rms=0.008951 Jy/beam ! Combined flux in latest and established models = 1.37823 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 29 model components to the UV plane model. ! The established model now contains 29 components and 1.37823 Jy ! Inverting map and beam ! Estimated beam: bmin=2.746 mas, bmaj=12.13 mas, bpa=-3.487 degrees ! Estimated noise=1303.64 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 = 0.11579 Jy ! Component: 100 - total flux cleaned = 0.176793 Jy ! Component: 150 - total flux cleaned = 0.210649 Jy ! Component: 200 - total flux cleaned = 0.230381 Jy ! Total flux subtracted in 200 components = 0.230381 Jy ! Clean residual min=-0.009069 max=0.012452 Jy/beam ! Clean residual mean=-0.000277 rms=0.003602 Jy/beam ! Combined flux in latest and established models = 1.60861 Jy ! Adding 88 model components to the UV plane model. ! The established model now contains 111 components and 1.60861 Jy ! Inverting map 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 ! Estimated beam: bmin=2.681 mas, bmaj=11.81 mas, bpa=-3.832 degrees ! Estimated noise=1892.23 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011343 Jy ! Component: 100 - total flux cleaned = 0.0186668 Jy ! Component: 150 - total flux cleaned = 0.0238552 Jy ! Component: 200 - total flux cleaned = 0.0276107 Jy ! Total flux subtracted in 200 components = 0.0276107 Jy ! Clean residual min=-0.007663 max=0.008851 Jy/beam ! Clean residual mean=-0.000089 rms=0.002312 Jy/beam ! Combined flux in latest and established models = 1.63622 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00152608 Jy ! Component: 100 - total flux cleaned = 0.00255256 Jy ! Component: 150 - total flux cleaned = 0.00337984 Jy ! Component: 200 - total flux cleaned = 0.00396887 Jy ! Total flux subtracted in 200 components = 0.00396887 Jy ! Clean residual min=-0.007328 max=0.008053 Jy/beam ! Clean residual mean=-0.000070 rms=0.002200 Jy/beam ! Combined flux in latest and established models = 1.64019 Jy selfcal ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 152 components and 1.64019 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174160Jy sigma=0.000958 ! Fit after self-cal, rms=0.174059Jy sigma=0.000957 wmodel J1802-3940_S_2011_06_28_pus_map.mod ! Writing 152 model components to file: J1802-3940_S_2011_06_28_pus_map.mod wobs J1802-3940_S_2011_06_28_pus_uvs.fits ! Writing UV FITS file: J1802-3940_S_2011_06_28_pus_uvs.fits wwins J1802-3940_S_2011_06_28_pus_map.win ! wwins: Wrote 2 windows to J1802-3940_S_2011_06_28_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 = 0.00121597 Jy ! Component: 100 - total flux cleaned = 0.000354514 Jy ! Component: 150 - total flux cleaned = 0.000125065 Jy ! Component: 200 - total flux cleaned = 1.42489e-05 Jy ! Component: 250 - total flux cleaned = 0.000430731 Jy ! Component: 300 - total flux cleaned = 0.000733804 Jy ! Component: 350 - total flux cleaned = 0.000929658 Jy ! Component: 400 - total flux cleaned = 0.00121757 Jy ! Component: 450 - total flux cleaned = 0.0011245 Jy ! Component: 500 - total flux cleaned = 0.00121916 Jy ! Component: 550 - total flux cleaned = 0.00149123 Jy ! Component: 600 - total flux cleaned = 0.00149054 Jy ! Component: 650 - total flux cleaned = 0.00131422 Jy ! Component: 700 - total flux cleaned = 0.00105516 Jy ! Component: 750 - total flux cleaned = 0.000970073 Jy ! Component: 800 - total flux cleaned = 0.00105338 Jy ! Component: 850 - total flux cleaned = 0.000724845 Jy ! Component: 900 - total flux cleaned = 0.000644607 Jy ! Component: 950 - total flux cleaned = 0.000483545 Jy ! Component: 1000 - total flux cleaned = 0.000246982 Jy ! Component: 1050 - total flux cleaned = 9.20496e-05 Jy ! Component: 1100 - total flux cleaned = -0.00021452 Jy ! Component: 1150 - total flux cleaned = -0.000289721 Jy ! Component: 1200 - total flux cleaned = -0.000290153 Jy ! Component: 1250 - total flux cleaned = -0.000586586 Jy ! Component: 1300 - total flux cleaned = -0.000513527 Jy ! Component: 1350 - total flux cleaned = -0.000731058 Jy ! Component: 1400 - total flux cleaned = -0.000874315 Jy ! Component: 1450 - total flux cleaned = -0.000873411 Jy ! Component: 1500 - total flux cleaned = -0.000874317 Jy ! Component: 1550 - total flux cleaned = -0.0010137 Jy ! Component: 1600 - total flux cleaned = -0.00108177 Jy ! Component: 1650 - total flux cleaned = -0.000945884 Jy ! Component: 1700 - total flux cleaned = -0.00108058 Jy ! Component: 1750 - total flux cleaned = -0.00114752 Jy ! Component: 1800 - total flux cleaned = -0.00127967 Jy ! Component: 1850 - total flux cleaned = -0.00134456 Jy ! Component: 1900 - total flux cleaned = -0.00134463 Jy ! Component: 1950 - total flux cleaned = -0.00140859 Jy ! Component: 2000 - total flux cleaned = -0.00140859 Jy ! Total flux subtracted in 2048 components = -0.00147194 Jy ! Clean residual min=-0.003774 max=0.004553 Jy/beam ! Clean residual mean=-0.000011 rms=0.001369 Jy/beam ! Combined flux in latest and established models = 1.63872 Jy keep ! Adding 139 model components to the UV plane model. ! The established model now contains 291 components and 1.63872 Jy ![Exited script file: muppet] wmap "J1802-3940_S_2011_06_28_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.681 x 11.81 at -3.832 degrees (North through East) ! Clean map min=-0.0071134 max=1.2728 Jy/beam ! Writing clean map to FITS file: J1802-3940_S_2011_06_28_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.27277 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00134595 device "J1802-3940_S_2011_06_28_pus\_map.eps/VPS" ! Attempting to open device: 'J1802-3940_S_2011_06_28_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.317249 0.317249 0.634499 1.269 2.53799 5.07599 10.152 20.304 40.6079 81.2158 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.004 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.272 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.681 x 11.81 at -3.832 degrees (North through East) ! Clean map min=-0.0071134 max=1.2728 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1802-3940_S_2011_06_28_pus\_map.gif/vgif" ! Attempting to open device: 'J1802-3940_S_2011_06_28_pus_map.gif/vgif' mapplot cln