! Started logfile: J1640+3946_S_2009_04_21_pus_uvs.log on Mon Jan 24 23:13:21 2011 obs J1640+3946_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1640+3946_S_2009_04_21_pus_uva.fits ! AN table 1: 161 integrations on 120 of 120 possible baselines. ! AN table 2: 164 integrations on 120 of 120 possible baselines. ! AN table 3: 25 integrations on 120 of 120 possible baselines. ! AN table 4: 28 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0811728 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1640+3946 ! ! 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 1868 lines of history. ! ! Reading 14728 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 J1640+3946_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 2007 telescope corrections were flagged in sub-array 1. ! A total of 2009 telescope corrections were flagged in sub-array 2. ! A total of 346 telescope corrections were flagged in sub-array 3. ! A total of 327 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 2009 telescope corrections were flagged in sub-array 1. ! A total of 2009 telescope corrections were flagged in sub-array 2. ! A total of 346 telescope corrections were flagged in sub-array 3. ! A total of 327 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 2012 telescope corrections were flagged in sub-array 1. ! A total of 2012 telescope corrections were flagged in sub-array 2. ! A total of 350 telescope corrections were flagged in sub-array 3. ! A total of 327 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 2013 telescope corrections were flagged in sub-array 1. ! A total of 2009 telescope corrections were flagged in sub-array 2. ! A total of 358 telescope corrections were flagged in sub-array 3. ! A total of 327 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.695763Jy sigma=0.005914 ! Fit after self-cal, rms=0.309404Jy sigma=0.002348 ! 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=1.737 mas, bmaj=3.477 mas, bpa=-2.918 degrees ! Estimated noise=1182.16 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 = 0.875563 Jy ! Component: 100 - total flux cleaned = 1.07037 Jy ! Total flux subtracted in 100 components = 1.07037 Jy ! Clean residual min=-0.029829 max=0.067930 Jy/beam ! Clean residual mean=0.000306 rms=0.007260 Jy/beam ! Combined flux in latest and established models = 1.07037 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.07037 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.283206Jy sigma=0.002093 ! Fit after self-cal, rms=0.283176Jy sigma=0.002093 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0765681 Jy ! Component: 100 - total flux cleaned = 0.124746 Jy ! Total flux subtracted in 100 components = 0.124746 Jy ! Clean residual min=-0.030848 max=0.030363 Jy/beam ! Clean residual mean=0.000048 rms=0.005868 Jy/beam ! Combined flux in latest and established models = 1.19512 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 22 components and 1.19512 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259332Jy sigma=0.001813 ! Fit after self-cal, rms=0.259201Jy sigma=0.001813 ! 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=1.991 mas, bmaj=3.925 mas, bpa=-4.525 degrees ! Estimated noise=789.421 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 = 0.0396734 Jy ! Component: 100 - total flux cleaned = 0.0617646 Jy ! Component: 150 - total flux cleaned = 0.0742872 Jy ! Component: 200 - total flux cleaned = 0.0815048 Jy ! Total flux subtracted in 200 components = 0.0815048 Jy ! Clean residual min=-0.032709 max=0.017912 Jy/beam ! Clean residual mean=-0.002060 rms=0.004519 Jy/beam ! Combined flux in latest and established models = 1.27662 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 1.27662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254529Jy sigma=0.001745 ! Fit after self-cal, rms=0.254475Jy sigma=0.001745 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 129 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HN 1.02 KB 0.95 ! KK 1.06 KP 1.00 LA 1.05 MK 0.98 ! NL 1.04 NY 1.22 OV 0.96 PT 1.03 ! SC 1.07 TS 1.14 WZ 0.90 ZC 1.22 ! ! A total of 129 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.99 HN 0.95 KB 0.93 ! KK 1.10 KP 0.91 LA 1.05 MK 0.97 ! NL 0.95 NY 1.02 OV 0.93 PT 0.99 ! SC 1.03 TS 0.93 WZ 1.00 ZC 1.00* ! ! A total of 54 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 1.00* HN 1.01 KB 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 0.99 NY 1.00 OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WZ 0.93 ZC 1.29 ! ! ! Correcting IF 2. ! A total of 123 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 1.00 KB 1.03 ! KK 0.94 KP 1.04 LA 1.00 MK 0.98 ! NL 1.05 NY 1.18 OV 1.01 PT 1.02 ! SC 1.13 TS 1.13 WZ 0.87 ZC 1.09 ! ! A total of 129 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.00 HN 0.95 KB 1.01 ! KK 1.02 KP 0.97 LA 0.98 MK 0.98 ! NL 0.97 NY 0.99 OV 0.94 PT 0.98 ! SC 1.09 TS 0.92 WZ 0.91 ZC 1.00* ! ! A total of 54 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.03 FD 1.00* HN 1.00 KB 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.03 NY 1.01 OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WZ 0.86 ZC 1.11 ! ! ! Correcting IF 3. ! A total of 123 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 1.01 KB 1.07 ! KK 0.97 KP 1.04 LA 1.03 MK 1.00 ! NL 1.05 NY 1.14 OV 1.03 PT 1.07 ! SC 1.05 TS 1.21 WZ 0.81 ZC 0.90 ! ! A total of 126 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HN 0.95 KB 1.03 ! KK 1.08 KP 1.00 LA 1.01 MK 0.99 ! NL 0.96 NY 0.96 OV 1.00 PT 1.01 ! SC 1.01 TS 0.97 WZ 0.85 ZC 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HN 1.00* KB 0.97 ! KK 1.00* KP 1.00* LA 1.00* MK 1.03 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.00 WZ 1.00* ZC 0.98 ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.12 FD 1.00* HN 0.99 KB 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.04 NY 0.98 OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WZ 0.81 ZC 0.97 ! ! ! Correcting IF 4. ! A total of 123 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.99 KB 1.07 ! KK 1.01 KP 1.04 LA 1.04 MK 0.98 ! NL 1.04 NY 1.14 OV 0.86 PT 0.96 ! SC 1.09 TS 1.16 WZ 0.79 ZC 0.91 ! ! A total of 129 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.99 HN 0.97 KB 1.09 ! KK 1.05 KP 0.99 LA 1.00 MK 0.98 ! NL 0.96 NY 0.95 OV 0.81 PT 0.90 ! SC 1.05 TS 0.97 WZ 0.82 ZC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 FD 1.00* HN 1.05 KB 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.02 NY 0.96 OV 1.00* PT 1.00* ! SC 1.00* TS 1.00* WZ 0.78 ZC 0.96 ! ! ! Fit before self-cal, rms=0.254475Jy sigma=0.001745 ! Fit after self-cal, rms=0.216208Jy sigma=0.001434 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.005 mas, bmaj=3.977 mas, bpa=-4.945 degrees ! Estimated noise=815.847 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 = -0.00329142 Jy ! Component: 100 - total flux cleaned = -0.00423261 Jy ! Component: 150 - total flux cleaned = -0.00503002 Jy ! Component: 200 - total flux cleaned = -0.00571033 Jy ! Total flux subtracted in 200 components = -0.00571033 Jy ! Clean residual min=-0.008494 max=0.009200 Jy/beam ! Clean residual mean=0.000397 rms=0.002166 Jy/beam ! Combined flux in latest and established models = 1.27091 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 1.27091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215380Jy sigma=0.001429 ! Fit after self-cal, rms=0.215353Jy sigma=0.001428 ! 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=0.215353Jy sigma=0.001428 ! Fit after self-cal, rms=0.206273Jy sigma=0.001346 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.018 mas, bmaj=3.975 mas, bpa=-4.759 degrees ! Estimated noise=818.901 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00267471 Jy ! Component: 100 - total flux cleaned = -0.00305777 Jy ! Component: 150 - total flux cleaned = -0.00350908 Jy ! Component: 200 - total flux cleaned = -0.00387974 Jy ! Total flux subtracted in 200 components = -0.00387974 Jy ! Clean residual min=-0.004795 max=0.007051 Jy/beam ! Clean residual mean=0.001504 rms=0.001352 Jy/beam ! Combined flux in latest and established models = 1.26703 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 1.26703 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205913Jy sigma=0.001343 ! Fit after self-cal, rms=0.205897Jy sigma=0.001343 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 (-10, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0062866 Jy ! Component: 100 - total flux cleaned = 0.00794225 Jy ! Component: 150 - total flux cleaned = 0.00874915 Jy ! Component: 200 - total flux cleaned = 0.00944423 Jy ! Total flux subtracted in 200 components = 0.00944423 Jy ! Clean residual min=-0.004945 max=0.006027 Jy/beam ! Clean residual mean=0.001221 rms=0.001295 Jy/beam ! Combined flux in latest and established models = 1.27648 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 58 components and 1.27648 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205633Jy sigma=0.001341 ! Fit after self-cal, rms=0.205604Jy sigma=0.001341 ! Inverting map ! Added new window around map position (-13, 62). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00554644 Jy ! Component: 100 - total flux cleaned = 0.00645843 Jy ! Component: 150 - total flux cleaned = 0.00689341 Jy ! Component: 200 - total flux cleaned = 0.00749073 Jy ! Total flux subtracted in 200 components = 0.00749073 Jy ! Clean residual min=-0.004667 max=0.005618 Jy/beam ! Clean residual mean=0.001013 rms=0.001267 Jy/beam ! Combined flux in latest and established models = 1.28397 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 66 components and 1.28397 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205359Jy sigma=0.001339 ! Fit after self-cal, rms=0.205347Jy sigma=0.001339 ! Inverting map ! Added new window around map position (-8.5, -13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00567034 Jy ! Component: 100 - total flux cleaned = 0.0066446 Jy ! Component: 150 - total flux cleaned = 0.00676354 Jy ! Component: 200 - total flux cleaned = 0.00666104 Jy ! Total flux subtracted in 200 components = 0.00666104 Jy ! Clean residual min=-0.004373 max=0.005451 Jy/beam ! Clean residual mean=0.000835 rms=0.001237 Jy/beam ! Combined flux in latest and established models = 1.29063 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 79 components and 1.29063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205112Jy sigma=0.001337 ! Fit after self-cal, rms=0.205098Jy sigma=0.001337 ! Inverting map ! Added new window around map position (40.5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373182 Jy ! Component: 100 - total flux cleaned = 0.00448468 Jy ! Component: 150 - total flux cleaned = 0.00487124 Jy ! Component: 200 - total flux cleaned = 0.00513842 Jy ! Total flux subtracted in 200 components = 0.00513842 Jy ! Clean residual min=-0.004302 max=0.005292 Jy/beam ! Clean residual mean=0.000692 rms=0.001210 Jy/beam ! Combined flux in latest and established models = 1.29577 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 94 components and 1.29577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204916Jy sigma=0.001337 ! Fit after self-cal, rms=0.204909Jy sigma=0.001336 ! Inverting map ! Added new window around map position (8, 56.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00366113 Jy ! Component: 100 - total flux cleaned = 0.00478228 Jy ! Component: 150 - total flux cleaned = 0.00547807 Jy ! Component: 200 - total flux cleaned = 0.005747 Jy ! Total flux subtracted in 200 components = 0.005747 Jy ! Clean residual min=-0.004470 max=0.004653 Jy/beam ! Clean residual mean=0.000539 rms=0.001174 Jy/beam ! Combined flux in latest and established models = 1.30151 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 112 components and 1.30151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204728Jy sigma=0.001335 ! Fit after self-cal, rms=0.204725Jy sigma=0.001335 ! 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=0.204725Jy sigma=0.001335 ! Fit after self-cal, rms=0.198968Jy sigma=0.001298 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.023 mas, bmaj=3.978 mas, bpa=-4.727 degrees ! Estimated noise=818.633 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00363084 Jy ! Component: 100 - total flux cleaned = -0.00452144 Jy ! Component: 150 - total flux cleaned = -0.00451925 Jy ! Component: 200 - total flux cleaned = -0.00474853 Jy ! Total flux subtracted in 200 components = -0.00474853 Jy ! Clean residual min=-0.004265 max=0.004333 Jy/beam ! Clean residual mean=0.000074 rms=0.000988 Jy/beam ! Combined flux in latest and established models = 1.29676 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 128 components and 1.29677 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198850Jy sigma=0.001297 ! Fit after self-cal, rms=0.198882Jy sigma=0.001297 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 (-4, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00426081 Jy ! Component: 100 - total flux cleaned = 0.00406576 Jy ! Component: 150 - total flux cleaned = 0.00361167 Jy ! Component: 200 - total flux cleaned = 0.00312792 Jy ! Total flux subtracted in 200 components = 0.00312792 Jy ! Clean residual min=-0.004170 max=0.003660 Jy/beam ! Clean residual mean=-0.000020 rms=0.000946 Jy/beam ! Combined flux in latest and established models = 1.29989 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 143 components and 1.29989 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198758Jy sigma=0.001296 ! Fit after self-cal, rms=0.198747Jy sigma=0.001296 ! 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=0.198747Jy sigma=0.001296 ! Fit after self-cal, rms=0.198767Jy sigma=0.001296 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.253 mas, bmaj=9.801 mas, bpa=20.44 degrees ! Estimated noise=1183.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123946 Jy ! Component: 100 - total flux cleaned = -0.00116907 Jy ! Component: 150 - total flux cleaned = -0.00133786 Jy ! Component: 200 - total flux cleaned = -0.00138954 Jy ! Total flux subtracted in 200 components = -0.00138954 Jy ! Clean residual min=-0.004406 max=0.004120 Jy/beam ! Clean residual mean=0.000090 rms=0.001243 Jy/beam ! Combined flux in latest and established models = 1.2985 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 152 components and 1.2985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198757Jy sigma=0.001295 ! Fit after self-cal, rms=0.198747Jy 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 = -3.27931e-05 Jy ! Component: 100 - total flux cleaned = -3.61939e-05 Jy ! Component: 150 - total flux cleaned = -0.000156452 Jy ! Component: 200 - total flux cleaned = -0.000156347 Jy ! Total flux subtracted in 200 components = -0.000156347 Jy ! Clean residual min=-0.004335 max=0.004139 Jy/beam ! Clean residual mean=0.000098 rms=0.001226 Jy/beam ! Combined flux in latest and established models = 1.29835 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 165 components and 1.29835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198746Jy sigma=0.001295 ! Fit after self-cal, rms=0.198743Jy sigma=0.001295 ! 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=2.025 mas, bmaj=3.979 mas, bpa=-4.728 degrees ! Estimated noise=818.253 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.025 x 3.979 at -4.728 degrees (North through East) ! Clean map min=-0.0035291 max=1.1373 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=0.198743Jy sigma=0.001295 ! Fit after self-cal, rms=0.188110Jy sigma=0.001113 ! Inverting map and beam ! Estimated beam: bmin=2.024 mas, bmaj=3.978 mas, bpa=-4.731 degrees ! Estimated noise=817.401 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00203659 Jy ! Component: 100 - total flux cleaned = -0.0027384 Jy ! Component: 150 - total flux cleaned = -0.0033736 Jy ! Component: 200 - total flux cleaned = -0.00381182 Jy ! Total flux subtracted in 200 components = -0.00381182 Jy ! Clean residual min=-0.003765 max=0.003206 Jy/beam ! Clean residual mean=-0.000033 rms=0.000871 Jy/beam ! Combined flux in latest and established models = 1.29454 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 179 components and 1.29454 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188030Jy sigma=0.001113 ! Fit after self-cal, rms=0.188037Jy sigma=0.001113 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000348188 Jy ! Component: 100 - total flux cleaned = -0.00054526 Jy ! Component: 150 - total flux cleaned = -0.000731634 Jy ! Component: 200 - total flux cleaned = -0.000789753 Jy ! Total flux subtracted in 200 components = -0.000789753 Jy ! Clean residual min=-0.003693 max=0.003210 Jy/beam ! Clean residual mean=-0.000014 rms=0.000860 Jy/beam ! Combined flux in latest and established models = 1.29375 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 190 components and 1.29375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187993Jy sigma=0.001113 ! Fit after self-cal, rms=0.187995Jy sigma=0.001112 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187995Jy sigma=0.001112 ! Fit after self-cal, rms=0.188049Jy sigma=0.001112 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=1.756 mas, bmaj=3.491 mas, bpa=-3.682 degrees ! Estimated noise=1226.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.873832 Jy ! Component: 100 - total flux cleaned = 1.06525 Jy ! Component: 150 - total flux cleaned = 1.13051 Jy ! Component: 200 - total flux cleaned = 1.16913 Jy ! Total flux subtracted in 200 components = 1.16913 Jy ! Clean residual min=-0.008705 max=0.020657 Jy/beam ! Clean residual mean=0.000235 rms=0.002288 Jy/beam ! Combined flux in latest and established models = 1.16913 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 22 model components to the UV plane model. ! The established model now contains 22 components and 1.16913 Jy ! Inverting map and beam ! Estimated beam: bmin=2.025 mas, bmaj=3.978 mas, bpa=-4.735 degrees ! Estimated noise=817.098 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 = 0.0394976 Jy ! Component: 100 - total flux cleaned = 0.0615684 Jy ! Component: 150 - total flux cleaned = 0.0755933 Jy ! Component: 200 - total flux cleaned = 0.0853937 Jy ! Total flux subtracted in 200 components = 0.0853937 Jy ! Clean residual min=-0.003787 max=0.005858 Jy/beam ! Clean residual mean=0.001061 rms=0.001168 Jy/beam ! Combined flux in latest and established models = 1.25452 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 53 components and 1.25452 Jy ! Inverting map ! Added new window around map position (2, 9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.007483 Jy ! Component: 100 - total flux cleaned = 0.0133937 Jy ! Component: 150 - total flux cleaned = 0.0182239 Jy ! Component: 200 - total flux cleaned = 0.0221019 Jy ! Total flux subtracted in 200 components = 0.0221019 Jy ! Clean residual min=-0.003938 max=0.003847 Jy/beam ! Clean residual mean=0.000407 rms=0.000947 Jy/beam ! Combined flux in latest and established models = 1.27663 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 78 components and 1.27663 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=8.254 mas, bmaj=9.802 mas, bpa=20.49 degrees ! Estimated noise=1181.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00642269 Jy ! Component: 100 - total flux cleaned = 0.00938468 Jy ! Component: 150 - total flux cleaned = 0.0108784 Jy ! Component: 200 - total flux cleaned = 0.0119644 Jy ! Total flux subtracted in 200 components = 0.0119644 Jy ! Clean residual min=-0.004164 max=0.003290 Jy/beam ! Clean residual mean=0.000184 rms=0.001178 Jy/beam ! Combined flux in latest and established models = 1.28859 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 = 0.000727138 Jy ! Component: 100 - total flux cleaned = 0.000970943 Jy ! Component: 150 - total flux cleaned = 0.0011306 Jy ! Component: 200 - total flux cleaned = 0.00122807 Jy ! Total flux subtracted in 200 components = 0.00122807 Jy ! Clean residual min=-0.004264 max=0.002967 Jy/beam ! Clean residual mean=0.000055 rms=0.001122 Jy/beam ! Combined flux in latest and established models = 1.28982 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 129 components and 1.28982 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.025 mas, bmaj=3.978 mas, bpa=-4.735 degrees ! Estimated noise=817.098 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00110896 Jy ! Component: 100 - total flux cleaned = -0.000907883 Jy ! Component: 150 - total flux cleaned = -0.000544367 Jy ! Component: 200 - total flux cleaned = -0.000377032 Jy ! Total flux subtracted in 200 components = -0.000377032 Jy ! Clean residual min=-0.003637 max=0.003344 Jy/beam ! Clean residual mean=0.000032 rms=0.000854 Jy/beam ! Combined flux in latest and established models = 1.28944 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 148 components and 1.28944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188107Jy sigma=0.001113 ! Fit after self-cal, rms=0.188082Jy sigma=0.001113 wmodel J1640+3946_S_2009_04_21_pus_map.mod ! Writing 148 model components to file: J1640+3946_S_2009_04_21_pus_map.mod wobs J1640+3946_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1640+3946_S_2009_04_21_pus_uvs.fits wwins J1640+3946_S_2009_04_21_pus_map.win ! wwins: Wrote 8 windows to J1640+3946_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 = 6.80212e-05 Jy ! Component: 100 - total flux cleaned = -4.96094e-05 Jy ! Component: 150 - total flux cleaned = -0.000106846 Jy ! Component: 200 - total flux cleaned = -0.000218132 Jy ! Component: 250 - total flux cleaned = -0.000325967 Jy ! Component: 300 - total flux cleaned = -0.000378584 Jy ! Component: 350 - total flux cleaned = -0.000430564 Jy ! Component: 400 - total flux cleaned = -0.000430725 Jy ! Component: 450 - total flux cleaned = -0.000431093 Jy ! Component: 500 - total flux cleaned = -0.000480995 Jy ! Component: 550 - total flux cleaned = -0.000481266 Jy ! Component: 600 - total flux cleaned = -0.00052964 Jy ! Component: 650 - total flux cleaned = -0.0005774 Jy ! Component: 700 - total flux cleaned = -0.000623871 Jy ! Component: 750 - total flux cleaned = -0.000577108 Jy ! Component: 800 - total flux cleaned = -0.000576869 Jy ! Component: 850 - total flux cleaned = -0.000531636 Jy ! Component: 900 - total flux cleaned = -0.000487081 Jy ! Component: 950 - total flux cleaned = -0.000487217 Jy ! Component: 1000 - total flux cleaned = -0.000487161 Jy ! Component: 1050 - total flux cleaned = -0.000487201 Jy ! Component: 1100 - total flux cleaned = -0.000487166 Jy ! Component: 1150 - total flux cleaned = -0.000444344 Jy ! Component: 1200 - total flux cleaned = -0.000486571 Jy ! Component: 1250 - total flux cleaned = -0.000444288 Jy ! Component: 1300 - total flux cleaned = -0.000402408 Jy ! Component: 1350 - total flux cleaned = -0.000360905 Jy ! Component: 1400 - total flux cleaned = -0.000401965 Jy ! Component: 1450 - total flux cleaned = -0.00032057 Jy ! Component: 1500 - total flux cleaned = -0.000361084 Jy ! Component: 1550 - total flux cleaned = -0.000360868 Jy ! Component: 1600 - total flux cleaned = -0.000281134 Jy ! Component: 1650 - total flux cleaned = -0.000281171 Jy ! Component: 1700 - total flux cleaned = -0.00028142 Jy ! Component: 1750 - total flux cleaned = -0.000320323 Jy ! Component: 1800 - total flux cleaned = -0.000281648 Jy ! Component: 1850 - total flux cleaned = -0.000281634 Jy ! Component: 1900 - total flux cleaned = -0.000243382 Jy ! Component: 1950 - total flux cleaned = -0.00028152 Jy ! Component: 2000 - total flux cleaned = -0.000243701 Jy ! Total flux subtracted in 2048 components = -0.000243852 Jy ! Clean residual min=-0.002962 max=0.002389 Jy/beam ! Clean residual mean=0.000032 rms=0.000693 Jy/beam ! Combined flux in latest and established models = 1.2892 Jy keep ! Adding 156 model components to the UV plane model. ! The established model now contains 304 components and 1.2892 Jy ![Exited script file: muppet] wmap "J1640+3946_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.025 x 3.978 at -4.735 degrees (North through East) ! Clean map min=-0.0031357 max=1.1378 Jy/beam ! Writing clean map to FITS file: J1640+3946_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 1.13776 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00069183 device "J1640+3946_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1640+3946_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.182419 0.182419 0.364838 0.729676 1.45935 2.9187 5.83741 11.6748 23.3496 46.6993 93.3986 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.137 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.025 x 3.978 at -4.735 degrees (North through East) ! Clean map min=-0.0031357 max=1.1378 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1640+3946_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1640+3946_S_2009_04_21_pus_map.gif/vgif' mapplot cln