! Started logfile: J1557-0001_S_2009_04_21_pus_uvs.log on Mon Jan 24 21:45:38 2011 obs J1557-0001_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1557-0001_S_2009_04_21_pus_uva.fits ! AN table 1: 81 integrations on 120 of 120 possible baselines. ! AN table 2: 19 integrations on 120 of 120 possible baselines. ! AN table 3: 200 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.222389 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1557-0001 ! ! 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 2004 lines of history. ! ! Reading 32024 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 J1557-0001_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 905 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! A total of 1537 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 905 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! A total of 1537 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 905 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! A total of 1537 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 905 telescope corrections were flagged in sub-array 1. ! A total of 304 telescope corrections were flagged in sub-array 2. ! A total of 1537 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.827993Jy sigma=0.006019 ! Fit after self-cal, rms=0.682492Jy sigma=0.004970 ! 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=1.926 mas, bmaj=6.494 mas, bpa=-5.369 degrees ! Estimated noise=931.907 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 = 0.249314 Jy ! Component: 100 - total flux cleaned = 0.310014 Jy ! Total flux subtracted in 100 components = 0.310014 Jy ! Clean residual min=-0.009101 max=0.024915 Jy/beam ! Clean residual mean=0.000182 rms=0.002932 Jy/beam ! Combined flux in latest and established models = 0.310014 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.310014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218436Jy sigma=0.001330 ! Fit after self-cal, rms=0.218403Jy sigma=0.001329 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0270457 Jy ! Component: 100 - total flux cleaned = 0.0418008 Jy ! Total flux subtracted in 100 components = 0.0418008 Jy ! Clean residual min=-0.008150 max=0.019395 Jy/beam ! Clean residual mean=0.000068 rms=0.002277 Jy/beam ! Combined flux in latest and established models = 0.351815 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 20 components and 0.351815 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212571Jy sigma=0.001264 ! Fit after self-cal, rms=0.212540Jy sigma=0.001264 ! Inverting map ! Added new window around map position (4, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0164801 Jy ! Component: 100 - total flux cleaned = 0.0255419 Jy ! Total flux subtracted in 100 components = 0.0255419 Jy ! Clean residual min=-0.007744 max=0.010256 Jy/beam ! Clean residual mean=0.000002 rms=0.001990 Jy/beam ! Combined flux in latest and established models = 0.377357 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 36 components and 0.377357 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210483Jy sigma=0.001241 ! Fit after self-cal, rms=0.210404Jy sigma=0.001240 ! 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=2.528 mas, bmaj=7.809 mas, bpa=-8.392 degrees ! Estimated noise=549.441 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 = 0.0158103 Jy ! Component: 100 - total flux cleaned = 0.0239224 Jy ! Component: 150 - total flux cleaned = 0.0273424 Jy ! Component: 200 - total flux cleaned = 0.0283719 Jy ! Total flux subtracted in 200 components = 0.0283719 Jy ! Clean residual min=-0.005080 max=0.005898 Jy/beam ! Clean residual mean=-0.000044 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 0.405729 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 56 components and 0.405729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209065Jy sigma=0.001230 ! Fit after self-cal, rms=0.208996Jy sigma=0.001230 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.03 KB 1.00* ! KK 1.04 KP 0.83 LA 1.00 MK 0.98 ! NL 1.05 NY 1.00* OV 0.93 PT 1.06 ! SC 1.04 TS 1.00 WZ 1.00* ZC 1.46 ! ! 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.99 HN 1.00* KB 1.00* ! KK 1.05 KP 1.00 LA 1.00 MK 0.99 ! NL 0.99 NY 1.01 OV 0.95 PT 1.02 ! SC 1.02 TS 1.00* WZ 1.02 ZC 1.00* ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 1.05 KB 1.00* ! KK 1.01 KP 0.97 LA 0.96 MK 1.01 ! NL 1.06 NY 1.00* OV 0.94 PT 1.03 ! SC 1.07 TS 0.93 WZ 1.00* ZC 1.28 ! ! 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.99 HN 1.00* KB 1.00* ! KK 1.02 KP 1.02 LA 0.97 MK 0.98 ! NL 0.98 NY 0.98 OV 0.99 PT 0.99 ! SC 1.05 TS 1.00* WZ 0.86 ZC 1.00* ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 1.02 KB 1.00* ! KK 1.07 KP 1.03 LA 1.05 MK 0.98 ! NL 1.01 NY 1.00* OV 0.99 PT 1.12 ! SC 0.92 TS 1.04 WZ 1.00* ZC 1.07 ! ! 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.01 HN 1.00* KB 1.00* ! KK 1.03 KP 1.01 LA 1.02 MK 1.00 ! NL 1.00 NY 0.96 OV 1.02 PT 1.07 ! SC 0.98 TS 1.00* WZ 0.89 ZC 1.00* ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.05 HN 1.04 KB 1.00* ! KK 1.00 KP 1.00 LA 0.99 MK 1.01 ! NL 1.05 NY 1.00* OV 0.85 PT 0.97 ! SC 1.05 TS 1.08 WZ 1.00* ZC 1.13 ! ! 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 1.02 HN 1.00* KB 1.00* ! KK 1.03 KP 1.01 LA 1.00 MK 0.97 ! NL 1.03 NY 1.03 OV 0.87 PT 0.93 ! SC 1.00 TS 1.00* WZ 0.85 ZC 1.00* ! ! ! Fit before self-cal, rms=0.208996Jy sigma=0.001230 ! Fit after self-cal, rms=0.200912Jy sigma=0.001214 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.51 mas, bmaj=7.864 mas, bpa=-8.642 degrees ! Estimated noise=548.07 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 (8, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00409753 Jy ! Component: 100 - total flux cleaned = 0.00443264 Jy ! Component: 150 - total flux cleaned = 0.00443554 Jy ! Component: 200 - total flux cleaned = 0.00443489 Jy ! Total flux subtracted in 200 components = 0.00443489 Jy ! Clean residual min=-0.003286 max=0.003876 Jy/beam ! Clean residual mean=0.000043 rms=0.000967 Jy/beam ! Combined flux in latest and established models = 0.410164 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 75 components and 0.410164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200798Jy sigma=0.001213 ! Fit after self-cal, rms=0.200753Jy sigma=0.001212 ! 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=0.200753Jy sigma=0.001212 ! Fit after self-cal, rms=0.199693Jy sigma=0.001210 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.504 mas, bmaj=7.857 mas, bpa=-8.652 degrees ! Estimated noise=548.129 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00255286 Jy ! Component: 100 - total flux cleaned = 0.00339676 Jy ! Component: 150 - total flux cleaned = 0.00388048 Jy ! Component: 200 - total flux cleaned = 0.00403323 Jy ! Total flux subtracted in 200 components = 0.00403323 Jy ! Clean residual min=-0.002857 max=0.002991 Jy/beam ! Clean residual mean=0.000014 rms=0.000860 Jy/beam ! Combined flux in latest and established models = 0.414197 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 89 components and 0.414197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199625Jy sigma=0.001209 ! Fit after self-cal, rms=0.199603Jy sigma=0.001209 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 = 0.000225761 Jy ! Component: 100 - total flux cleaned = 0.000376783 Jy ! Component: 150 - total flux cleaned = 0.00050972 Jy ! Component: 200 - total flux cleaned = 0.000664238 Jy ! Total flux subtracted in 200 components = 0.000664238 Jy ! Clean residual min=-0.002861 max=0.002930 Jy/beam ! Clean residual mean=0.000014 rms=0.000850 Jy/beam ! Combined flux in latest and established models = 0.414861 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 96 components and 0.414861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199582Jy sigma=0.001209 ! Fit after self-cal, rms=0.199575Jy sigma=0.001209 ! 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=0.199575Jy sigma=0.001209 ! Fit after self-cal, rms=0.198345Jy sigma=0.001206 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.496 mas, bmaj=7.865 mas, bpa=-8.705 degrees ! Estimated noise=548.723 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158522 Jy ! Component: 100 - total flux cleaned = 0.00201126 Jy ! Component: 150 - total flux cleaned = 0.00214402 Jy ! Component: 200 - total flux cleaned = 0.00225713 Jy ! Total flux subtracted in 200 components = 0.00225713 Jy ! Clean residual min=-0.002547 max=0.002754 Jy/beam ! Clean residual mean=0.000034 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.417118 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 104 components and 0.417118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198315Jy sigma=0.001205 ! Fit after self-cal, rms=0.198312Jy sigma=0.001205 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 = 0.000154222 Jy ! Component: 100 - total flux cleaned = 0.000193157 Jy ! Component: 150 - total flux cleaned = 0.000226655 Jy ! Component: 200 - total flux cleaned = 0.000226725 Jy ! Total flux subtracted in 200 components = 0.000226725 Jy ! Clean residual min=-0.002543 max=0.002739 Jy/beam ! Clean residual mean=0.000034 rms=0.000740 Jy/beam ! Combined flux in latest and established models = 0.417345 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 110 components and 0.417345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198301Jy sigma=0.001205 ! Fit after self-cal, rms=0.198298Jy sigma=0.001205 ! 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=0.198298Jy sigma=0.001205 ! Fit after self-cal, rms=0.197808Jy sigma=0.001205 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=10.05 mas, bmaj=11.95 mas, bpa=-10.29 degrees ! Estimated noise=661.674 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142979 Jy ! Component: 100 - total flux cleaned = 0.00198538 Jy ! Component: 150 - total flux cleaned = 0.00205559 Jy ! Component: 200 - total flux cleaned = 0.00210319 Jy ! Total flux subtracted in 200 components = 0.00210319 Jy ! Clean residual min=-0.002621 max=0.003136 Jy/beam ! Clean residual mean=0.000069 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.419448 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 127 components and 0.419448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197805Jy sigma=0.001205 ! Fit after self-cal, rms=0.197793Jy sigma=0.001205 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 = 0.000199581 Jy ! Component: 100 - total flux cleaned = 0.000257583 Jy ! Component: 150 - total flux cleaned = 0.000290693 Jy ! Component: 200 - total flux cleaned = 0.000275298 Jy ! Total flux subtracted in 200 components = 0.000275298 Jy ! Clean residual min=-0.002578 max=0.003143 Jy/beam ! Clean residual mean=0.000070 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.419724 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 131 components and 0.419724 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197791Jy sigma=0.001205 ! Fit after self-cal, rms=0.197791Jy sigma=0.001205 ! 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=2.49 mas, bmaj=7.869 mas, bpa=-8.736 degrees ! Estimated noise=549.21 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.49 x 7.869 at -8.736 degrees (North through East) ! Clean map min=-0.0023492 max=0.33161 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.953 mas, bmaj=6.481 mas, bpa=-5.929 degrees ! Estimated noise=947.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.251167 Jy ! Component: 100 - total flux cleaned = 0.313639 Jy ! Component: 150 - total flux cleaned = 0.344007 Jy ! Component: 200 - total flux cleaned = 0.362386 Jy ! Total flux subtracted in 200 components = 0.362386 Jy ! Clean residual min=-0.005502 max=0.009497 Jy/beam ! Clean residual mean=0.000032 rms=0.001537 Jy/beam ! Combined flux in latest and established models = 0.362386 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.362386 Jy ! Inverting map and beam ! Estimated beam: bmin=2.49 mas, bmaj=7.869 mas, bpa=-8.736 degrees ! Estimated noise=549.21 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 = 0.0222848 Jy ! Component: 100 - total flux cleaned = 0.033186 Jy ! Component: 150 - total flux cleaned = 0.0400056 Jy ! Component: 200 - total flux cleaned = 0.044739 Jy ! Total flux subtracted in 200 components = 0.044739 Jy ! Clean residual min=-0.002904 max=0.003664 Jy/beam ! Clean residual mean=0.000030 rms=0.000977 Jy/beam ! Combined flux in latest and established models = 0.407125 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 89 components and 0.407125 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=10.05 mas, bmaj=11.95 mas, bpa=-10.29 degrees ! Estimated noise=661.674 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00528715 Jy ! Component: 100 - total flux cleaned = 0.00825967 Jy ! Component: 150 - total flux cleaned = 0.0100459 Jy ! Component: 200 - total flux cleaned = 0.0111379 Jy ! Total flux subtracted in 200 components = 0.0111379 Jy ! Clean residual min=-0.002579 max=0.003155 Jy/beam ! Clean residual mean=0.000069 rms=0.000933 Jy/beam ! Combined flux in latest and established models = 0.418263 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 = 0.000627697 Jy ! Component: 100 - total flux cleaned = 0.000728286 Jy ! Component: 150 - total flux cleaned = 0.000816186 Jy ! Component: 200 - total flux cleaned = 0.000892965 Jy ! Total flux subtracted in 200 components = 0.000892965 Jy ! Clean residual min=-0.002558 max=0.003068 Jy/beam ! Clean residual mean=0.000070 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 0.419156 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 136 components and 0.419156 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.49 mas, bmaj=7.869 mas, bpa=-8.736 degrees ! Estimated noise=549.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.64233e-05 Jy ! Component: 100 - total flux cleaned = -2.16114e-05 Jy ! Component: 150 - total flux cleaned = -5.23377e-05 Jy ! Component: 200 - total flux cleaned = -8.0804e-05 Jy ! Total flux subtracted in 200 components = -8.0804e-05 Jy ! Clean residual min=-0.002598 max=0.002746 Jy/beam ! Clean residual mean=0.000034 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.419075 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 154 components and 0.419075 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197784Jy sigma=0.001205 ! Fit after self-cal, rms=0.197764Jy sigma=0.001205 wmodel J1557-0001_S_2009_04_21_pus_map.mod ! Writing 154 model components to file: J1557-0001_S_2009_04_21_pus_map.mod wobs J1557-0001_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1557-0001_S_2009_04_21_pus_uvs.fits wwins J1557-0001_S_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J1557-0001_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 = 0.000955424 Jy ! Component: 100 - total flux cleaned = 0.00155006 Jy ! Component: 150 - total flux cleaned = 0.00163433 Jy ! Component: 200 - total flux cleaned = 0.00175723 Jy ! Component: 250 - total flux cleaned = 0.0018362 Jy ! Component: 300 - total flux cleaned = 0.00195094 Jy ! Component: 350 - total flux cleaned = 0.00198767 Jy ! Component: 400 - total flux cleaned = 0.00205974 Jy ! Component: 450 - total flux cleaned = 0.00206005 Jy ! Component: 500 - total flux cleaned = 0.00223192 Jy ! Component: 550 - total flux cleaned = 0.00229884 Jy ! Component: 600 - total flux cleaned = 0.00239659 Jy ! Component: 650 - total flux cleaned = 0.00246099 Jy ! Component: 700 - total flux cleaned = 0.00261783 Jy ! Component: 750 - total flux cleaned = 0.00267943 Jy ! Component: 800 - total flux cleaned = 0.0026498 Jy ! Component: 850 - total flux cleaned = 0.00276789 Jy ! Component: 900 - total flux cleaned = 0.00270902 Jy ! Component: 950 - total flux cleaned = 0.00276626 Jy ! Component: 1000 - total flux cleaned = 0.00279417 Jy ! Component: 1050 - total flux cleaned = 0.00279427 Jy ! Component: 1100 - total flux cleaned = 0.00282239 Jy ! Component: 1150 - total flux cleaned = 0.00284977 Jy ! Component: 1200 - total flux cleaned = 0.00285023 Jy ! Component: 1250 - total flux cleaned = 0.00292991 Jy ! Component: 1300 - total flux cleaned = 0.00300864 Jy ! Component: 1350 - total flux cleaned = 0.0029049 Jy ! Component: 1400 - total flux cleaned = 0.00295668 Jy ! Component: 1450 - total flux cleaned = 0.00303288 Jy ! Component: 1500 - total flux cleaned = 0.00325916 Jy ! Component: 1550 - total flux cleaned = 0.00330844 Jy ! Component: 1600 - total flux cleaned = 0.00340706 Jy ! Component: 1650 - total flux cleaned = 0.00350467 Jy ! Component: 1700 - total flux cleaned = 0.00355292 Jy ! Component: 1750 - total flux cleaned = 0.00360106 Jy ! Component: 1800 - total flux cleaned = 0.00367263 Jy ! Component: 1850 - total flux cleaned = 0.00379045 Jy ! Component: 1900 - total flux cleaned = 0.0038605 Jy ! Component: 1950 - total flux cleaned = 0.00390695 Jy ! Component: 2000 - total flux cleaned = 0.00402167 Jy ! Total flux subtracted in 2048 components = 0.00409009 Jy ! Clean residual min=-0.001470 max=0.001735 Jy/beam ! Clean residual mean=0.000023 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.423165 Jy keep ! Adding 147 model components to the UV plane model. ! The established model now contains 301 components and 0.423165 Jy ![Exited script file: muppet] wmap "J1557-0001_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.49 x 7.869 at -8.736 degrees (North through East) ! Clean map min=-0.0021776 max=0.3314 Jy/beam ! Writing clean map to FITS file: J1557-0001_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 0.331402 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000455395 device "J1557-0001_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1557-0001_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.412244 0.412244 0.824488 1.64898 3.29795 6.59591 13.1918 26.3836 52.7673 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.331 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.49 x 7.869 at -8.736 degrees (North through East) ! Clean map min=-0.0021776 max=0.3314 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1557-0001_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1557-0001_S_2009_04_21_pus_map.gif/vgif' mapplot cln