! Started logfile: J1626-2951_S_2009_04_21_pus_uvs.log on Mon Jan 24 18:33:22 2011 obs J1626-2951_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1626-2951_S_2009_04_21_pus_uva.fits ! AN table 1: 34 integrations on 120 of 120 possible baselines. ! AN table 2: 9 integrations on 120 of 120 possible baselines. ! AN table 3: 59 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.185049 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1626-2951 ! ! 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 1864 lines of history. ! ! Reading 9060 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 J1626-2951_S_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 0.500x0.500 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 364 telescope corrections were flagged in sub-array 1. ! A total of 144 telescope corrections were flagged in sub-array 2. ! A total of 519 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 364 telescope corrections were flagged in sub-array 1. ! A total of 144 telescope corrections were flagged in sub-array 2. ! A total of 519 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 364 telescope corrections were flagged in sub-array 1. ! A total of 144 telescope corrections were flagged in sub-array 2. ! A total of 519 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 364 telescope corrections were flagged in sub-array 1. ! A total of 144 telescope corrections were flagged in sub-array 2. ! A total of 519 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.762581Jy sigma=0.005829 ! Fit after self-cal, rms=0.745421Jy sigma=0.005723 ! 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=2.346 mas, bmaj=6.544 mas, bpa=-2.798 degrees ! Estimated noise=1525.2 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 = 0.614169 Jy ! Component: 100 - total flux cleaned = 0.919224 Jy ! Total flux subtracted in 100 components = 0.919224 Jy ! Clean residual min=-0.062859 max=0.241329 Jy/beam ! Clean residual mean=-0.000448 rms=0.023000 Jy/beam ! Combined flux in latest and established models = 0.919224 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.919224 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.677242Jy sigma=0.005394 ! Fit after self-cal, rms=0.673121Jy sigma=0.005373 ! Inverting map ! Added new window around map position (-3, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.254582 Jy ! Component: 100 - total flux cleaned = 0.404182 Jy ! Total flux subtracted in 100 components = 0.404182 Jy ! Clean residual min=-0.039545 max=0.097357 Jy/beam ! Clean residual mean=-0.000317 rms=0.014485 Jy/beam ! Combined flux in latest and established models = 1.32341 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 38 components and 1.32341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.465427Jy sigma=0.003630 ! Fit after self-cal, rms=0.461801Jy sigma=0.003609 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111739 Jy ! Component: 100 - total flux cleaned = 0.186932 Jy ! Total flux subtracted in 100 components = 0.186932 Jy ! Clean residual min=-0.031670 max=0.097971 Jy/beam ! Clean residual mean=-0.000253 rms=0.011630 Jy/beam ! Combined flux in latest and established models = 1.51034 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 58 components and 1.51034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.393976Jy sigma=0.003019 ! Fit after self-cal, rms=0.393331Jy sigma=0.003014 ! Inverting map ! Added new window around map position (-13, 5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0895678 Jy ! Component: 100 - total flux cleaned = 0.14666 Jy ! Total flux subtracted in 100 components = 0.14666 Jy ! Clean residual min=-0.024711 max=0.056583 Jy/beam ! Clean residual mean=-0.000292 rms=0.009653 Jy/beam ! Combined flux in latest and established models = 1.657 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 78 components and 1.657 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.352023Jy sigma=0.002653 ! Fit after self-cal, rms=0.350436Jy sigma=0.002643 ! 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=3.088 mas, bmaj=8.417 mas, bpa=-4.815 degrees ! Estimated noise=997.509 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 = 0.121361 Jy ! Component: 100 - total flux cleaned = 0.201427 Jy ! Component: 150 - total flux cleaned = 0.256855 Jy ! Component: 200 - total flux cleaned = 0.295638 Jy ! Total flux subtracted in 200 components = 0.295638 Jy ! Clean residual min=-0.022643 max=0.042205 Jy/beam ! Clean residual mean=0.000925 rms=0.009212 Jy/beam ! Combined flux in latest and established models = 1.95264 Jy ! Performing phase self-cal ! Adding 74 model components to the UV plane model. ! The established model now contains 132 components and 1.95264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301890Jy sigma=0.002204 ! Fit after self-cal, rms=0.299281Jy sigma=0.002184 ! Inverting map 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 1.02 FD 0.97 HN 1.19 KB 1.00* ! KK 1.03 KP 0.98 LA 0.99 MK 0.99 ! NL 1.03 NY 1.00* OV 0.95 PT 0.98 ! SC 1.04 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.97 HN 1.14 KB 1.00* ! KK 1.04 KP 1.14 LA 1.00 MK 0.94 ! NL 1.07 NY 1.00* OV 0.95 PT 0.98 ! SC 1.01 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.97 HN 1.21 KB 1.00* ! KK 0.99 KP 0.98 LA 0.94 MK 0.99 ! NL 1.02 NY 1.00* OV 0.99 PT 0.99 ! SC 1.07 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.98 HN 1.15 KB 1.00* ! KK 0.93 KP 0.99 LA 0.94 MK 0.95 ! NL 1.08 NY 1.00* OV 0.98 PT 0.98 ! SC 1.09 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 1.20 KB 1.00* ! KK 1.03 KP 0.99 LA 0.98 MK 0.96 ! NL 1.02 NY 1.00* OV 1.04 PT 1.03 ! SC 0.91 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.09 FD 0.99 HN 1.14 KB 1.00* ! KK 0.98 KP 1.00 LA 0.98 MK 0.94 ! NL 1.07 NY 1.00* OV 1.03 PT 1.03 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.00 HN 1.24 KB 1.00* ! KK 0.99 KP 0.99 LA 0.98 MK 0.96 ! NL 1.01 NY 1.00* OV 0.84 PT 0.90 ! SC 0.96 TS 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.75 FD 1.00 HN 1.12 KB 1.00* ! KK 0.97 KP 1.00 LA 0.97 MK 0.92 ! NL 1.09 NY 1.00* OV 0.84 PT 0.90 ! SC 0.99 TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.299281Jy sigma=0.002184 ! Fit after self-cal, rms=0.239037Jy sigma=0.001918 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.087 mas, bmaj=8.476 mas, bpa=-4.506 degrees ! Estimated noise=990.646 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 = 0.0253653 Jy ! Component: 100 - total flux cleaned = 0.0328513 Jy ! Component: 150 - total flux cleaned = 0.0339649 Jy ! Component: 200 - total flux cleaned = 0.0348824 Jy ! Total flux subtracted in 200 components = 0.0348824 Jy ! Clean residual min=-0.019811 max=0.022588 Jy/beam ! Clean residual mean=0.000064 rms=0.005400 Jy/beam ! Combined flux in latest and established models = 1.98752 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 148 components and 1.98752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236646Jy sigma=0.001895 ! Fit after self-cal, rms=0.236488Jy sigma=0.001892 ! 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=0.236488Jy sigma=0.001892 ! Fit after self-cal, rms=0.242486Jy sigma=0.001818 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.084 mas, bmaj=8.494 mas, bpa=-4.562 degrees ! Estimated noise=999.464 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0129356 Jy ! Component: 100 - total flux cleaned = 0.0209467 Jy ! Component: 150 - total flux cleaned = 0.0245778 Jy ! Component: 200 - total flux cleaned = 0.0254979 Jy ! Total flux subtracted in 200 components = 0.0254979 Jy ! Clean residual min=-0.017767 max=0.022395 Jy/beam ! Clean residual mean=-0.000185 rms=0.004885 Jy/beam ! Combined flux in latest and established models = 2.01302 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 155 components and 2.01302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241780Jy sigma=0.001811 ! Fit after self-cal, rms=0.241696Jy sigma=0.001810 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) ! Added new window around map position (-24.5, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0220513 Jy ! Component: 100 - total flux cleaned = 0.0342835 Jy ! Component: 150 - total flux cleaned = 0.0405692 Jy ! Component: 200 - total flux cleaned = 0.0418526 Jy ! Total flux subtracted in 200 components = 0.0418526 Jy ! Clean residual min=-0.018515 max=0.014134 Jy/beam ! Clean residual mean=-0.000486 rms=0.004009 Jy/beam ! Combined flux in latest and established models = 2.05487 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 173 components and 2.05487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239838Jy sigma=0.001792 ! Fit after self-cal, rms=0.239571Jy sigma=0.001790 ! 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=0.239571Jy sigma=0.001790 ! Fit after self-cal, rms=0.201029Jy sigma=0.001513 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.086 mas, bmaj=8.482 mas, bpa=-4.478 degrees ! Estimated noise=997.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00617906 Jy ! Component: 100 - total flux cleaned = 0.00999116 Jy ! Component: 150 - total flux cleaned = 0.0124948 Jy ! Component: 200 - total flux cleaned = 0.0140433 Jy ! Total flux subtracted in 200 components = 0.0140433 Jy ! Clean residual min=-0.008064 max=0.014007 Jy/beam ! Clean residual mean=0.000030 rms=0.002238 Jy/beam ! Combined flux in latest and established models = 2.06891 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 189 components and 2.06891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200470Jy sigma=0.001508 ! Fit after self-cal, rms=0.200442Jy sigma=0.001507 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) ! Added new window around map position (-8, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0137253 Jy ! Component: 100 - total flux cleaned = 0.0134643 Jy ! Component: 150 - total flux cleaned = 0.0132139 Jy ! Component: 200 - total flux cleaned = 0.0134371 Jy ! Total flux subtracted in 200 components = 0.0134371 Jy ! Clean residual min=-0.009057 max=0.007743 Jy/beam ! Clean residual mean=-0.000031 rms=0.002063 Jy/beam ! Combined flux in latest and established models = 2.08235 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 209 components and 2.08235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199178Jy sigma=0.001498 ! Fit after self-cal, rms=0.198978Jy sigma=0.001497 ! 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=0.198978Jy sigma=0.001497 ! Fit after self-cal, rms=0.198341Jy sigma=0.001495 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.572 mas, bmaj=20.84 mas, bpa=-1.021 degrees ! Estimated noise=1225.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109479 Jy ! Component: 100 - total flux cleaned = 0.0148801 Jy ! Component: 150 - total flux cleaned = 0.0159842 Jy ! Component: 200 - total flux cleaned = 0.016274 Jy ! Total flux subtracted in 200 components = 0.016274 Jy ! Clean residual min=-0.007782 max=0.007215 Jy/beam ! Clean residual mean=0.000021 rms=0.002276 Jy/beam ! Combined flux in latest and established models = 2.09862 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 230 components and 2.09862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198013Jy sigma=0.001493 ! Fit after self-cal, rms=0.197899Jy sigma=0.001492 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 = 0.00132042 Jy ! Component: 100 - total flux cleaned = 0.00229379 Jy ! Component: 150 - total flux cleaned = 0.0024338 Jy ! Component: 200 - total flux cleaned = 0.00266315 Jy ! Total flux subtracted in 200 components = 0.00266315 Jy ! Clean residual min=-0.008103 max=0.007269 Jy/beam ! Clean residual mean=-0.000015 rms=0.002268 Jy/beam ! Combined flux in latest and established models = 2.10129 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 239 components and 2.10129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197799Jy sigma=0.001491 ! Fit after self-cal, rms=0.197746Jy sigma=0.001491 ! 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=3.086 mas, bmaj=8.476 mas, bpa=-4.415 degrees ! Estimated noise=996.743 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.086 x 8.476 at -4.415 degrees (North through East) ! Clean map min=-0.0072672 max=0.93099 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=0.197746Jy sigma=0.001491 ! Fit after self-cal, rms=0.193067Jy sigma=0.001169 ! Inverting map and beam ! Estimated beam: bmin=3.088 mas, bmaj=8.485 mas, bpa=-4.441 degrees ! Estimated noise=995.774 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00431498 Jy ! Component: 100 - total flux cleaned = 0.00489386 Jy ! Component: 150 - total flux cleaned = 0.00538036 Jy ! Component: 200 - total flux cleaned = 0.00552249 Jy ! Total flux subtracted in 200 components = 0.00552249 Jy ! Clean residual min=-0.006092 max=0.006111 Jy/beam ! Clean residual mean=0.000060 rms=0.001548 Jy/beam ! Combined flux in latest and established models = 2.10681 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 256 components and 2.10681 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192647Jy sigma=0.001165 ! Fit after self-cal, rms=0.192569Jy sigma=0.001165 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000686347 Jy ! Component: 100 - total flux cleaned = 0.000944352 Jy ! Component: 150 - total flux cleaned = 0.00106148 Jy ! Component: 200 - total flux cleaned = 0.00116446 Jy ! Total flux subtracted in 200 components = 0.00116446 Jy ! Clean residual min=-0.006231 max=0.006086 Jy/beam ! Clean residual mean=0.000052 rms=0.001521 Jy/beam ! Combined flux in latest and established models = 2.10797 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 270 components and 2.10797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192377Jy sigma=0.001164 ! Fit after self-cal, rms=0.192345Jy sigma=0.001164 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192345Jy sigma=0.001164 ! Fit after self-cal, rms=0.190616Jy sigma=0.001163 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=2.344 mas, bmaj=6.582 mas, bpa=-2.28 degrees ! Estimated noise=1534.01 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.631734 Jy ! Component: 100 - total flux cleaned = 0.963953 Jy ! Component: 150 - total flux cleaned = 1.17907 Jy ! Component: 200 - total flux cleaned = 1.32677 Jy ! Total flux subtracted in 200 components = 1.32677 Jy ! Clean residual min=-0.026197 max=0.083970 Jy/beam ! Clean residual mean=-0.000035 rms=0.011738 Jy/beam ! Combined flux in latest and established models = 1.32677 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 33 model components to the UV plane model. ! The established model now contains 33 components and 1.32677 Jy ! Inverting map and beam ! Estimated beam: bmin=3.088 mas, bmaj=8.479 mas, bpa=-4.39 degrees ! Estimated noise=994.731 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 = 0.233138 Jy ! Component: 100 - total flux cleaned = 0.380279 Jy ! Component: 150 - total flux cleaned = 0.47941 Jy ! Component: 200 - total flux cleaned = 0.547981 Jy ! Total flux subtracted in 200 components = 0.547981 Jy ! Clean residual min=-0.013624 max=0.040076 Jy/beam ! Clean residual mean=0.001278 rms=0.010447 Jy/beam ! Combined flux in latest and established models = 1.87475 Jy ! Adding 102 model components to the UV plane model. ! The established model now contains 121 components and 1.87475 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=8.555 mas, bmaj=20.81 mas, bpa=-0.9476 degrees ! Estimated noise=1223.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0830494 Jy ! Component: 100 - total flux cleaned = 0.131959 Jy ! Component: 150 - total flux cleaned = 0.162952 Jy ! Component: 200 - total flux cleaned = 0.183336 Jy ! Total flux subtracted in 200 components = 0.183336 Jy ! Clean residual min=-0.006130 max=0.012764 Jy/beam ! Clean residual mean=0.000710 rms=0.003774 Jy/beam ! Combined flux in latest and established models = 2.05809 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 = 0.0139418 Jy ! Component: 100 - total flux cleaned = 0.0235846 Jy ! Component: 150 - total flux cleaned = 0.030286 Jy ! Component: 200 - total flux cleaned = 0.0349867 Jy ! Total flux subtracted in 200 components = 0.0349867 Jy ! Clean residual min=-0.004454 max=0.006118 Jy/beam ! Clean residual mean=0.000350 rms=0.001671 Jy/beam ! Combined flux in latest and established models = 2.09307 Jy ! Adding 132 model components to the UV plane model. ! The established model now contains 232 components and 2.09307 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.088 mas, bmaj=8.479 mas, bpa=-4.39 degrees ! Estimated noise=994.731 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00349211 Jy ! Component: 100 - total flux cleaned = -0.0028799 Jy ! Component: 150 - total flux cleaned = -0.00208842 Jy ! Component: 200 - total flux cleaned = -0.00185484 Jy ! Total flux subtracted in 200 components = -0.00185484 Jy ! Clean residual min=-0.005874 max=0.010641 Jy/beam ! Clean residual mean=0.000174 rms=0.001683 Jy/beam ! Combined flux in latest and established models = 2.09122 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 246 components and 2.09122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191930Jy sigma=0.001173 ! Fit after self-cal, rms=0.191625Jy sigma=0.001170 wmodel J1626-2951_S_2009_04_21_pus_map.mod ! Writing 246 model components to file: J1626-2951_S_2009_04_21_pus_map.mod wobs J1626-2951_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1626-2951_S_2009_04_21_pus_uvs.fits wwins J1626-2951_S_2009_04_21_pus_map.win ! wwins: Wrote 5 windows to J1626-2951_S_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 ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00416468 Jy ! Component: 100 - total flux cleaned = 0.0072006 Jy ! Component: 150 - total flux cleaned = 0.00783369 Jy ! Component: 200 - total flux cleaned = 0.00783562 Jy ! Component: 250 - total flux cleaned = 0.00811778 Jy ! Component: 300 - total flux cleaned = 0.00856808 Jy ! Component: 350 - total flux cleaned = 0.0090066 Jy ! Component: 400 - total flux cleaned = 0.00943571 Jy ! Component: 450 - total flux cleaned = 0.00985476 Jy ! Component: 500 - total flux cleaned = 0.0103446 Jy ! Component: 550 - total flux cleaned = 0.0107435 Jy ! Component: 600 - total flux cleaned = 0.0112918 Jy ! Component: 650 - total flux cleaned = 0.0118297 Jy ! Component: 700 - total flux cleaned = 0.0122831 Jy ! Component: 750 - total flux cleaned = 0.0125794 Jy ! Component: 800 - total flux cleaned = 0.0128716 Jy ! Component: 850 - total flux cleaned = 0.0132332 Jy ! Component: 900 - total flux cleaned = 0.0135903 Jy ! Component: 950 - total flux cleaned = 0.0141526 Jy ! Component: 1000 - total flux cleaned = 0.0144992 Jy ! Component: 1050 - total flux cleaned = 0.0148412 Jy ! Component: 1100 - total flux cleaned = 0.0152466 Jy ! Component: 1150 - total flux cleaned = 0.01558 Jy ! Component: 1200 - total flux cleaned = 0.0159089 Jy ! Component: 1250 - total flux cleaned = 0.0162347 Jy ! Component: 1300 - total flux cleaned = 0.0164281 Jy ! Component: 1350 - total flux cleaned = 0.0167464 Jy ! Component: 1400 - total flux cleaned = 0.0170601 Jy ! Component: 1450 - total flux cleaned = 0.0171845 Jy ! Component: 1500 - total flux cleaned = 0.0173079 Jy ! Component: 1550 - total flux cleaned = 0.01743 Jy ! Component: 1600 - total flux cleaned = 0.0176705 Jy ! Component: 1650 - total flux cleaned = 0.0177905 Jy ! Component: 1700 - total flux cleaned = 0.0180855 Jy ! Component: 1750 - total flux cleaned = 0.0181438 Jy ! Component: 1800 - total flux cleaned = 0.0183757 Jy ! Component: 1850 - total flux cleaned = 0.0187195 Jy ! Component: 1900 - total flux cleaned = 0.0188327 Jy ! Component: 1950 - total flux cleaned = 0.0189454 Jy ! Component: 2000 - total flux cleaned = 0.0192248 Jy ! Total flux subtracted in 2048 components = 0.0193912 Jy ! Clean residual min=-0.002757 max=0.003677 Jy/beam ! Clean residual mean=0.000079 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 2.11061 Jy keep ! Adding 114 model components to the UV plane model. ! The established model now contains 355 components and 2.11061 Jy ![Exited script file: muppet] wmap "J1626-2951_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.088 x 8.479 at -4.39 degrees (North through East) ! Clean map min=-0.004473 max=0.96373 Jy/beam ! Writing clean map to FITS file: J1626-2951_S_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 0.963733 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00107726 device "J1626-2951_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1626-2951_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.335341 0.335341 0.670682 1.34136 2.68273 5.36546 10.7309 21.4618 42.9237 85.8473 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.963 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.088 x 8.479 at -4.39 degrees (North through East) ! Clean map min=-0.004473 max=0.96373 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1626-2951_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1626-2951_S_2009_04_21_pus_map.gif/vgif' mapplot cln