! Started logfile: J1957-3845_S_2000_12_04_pus_uvs.log on Wed Oct 17 17:20:44 2007 obs J1957-3845_S_2000_12_04_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2000_12_04_pus_uva.fits ! AN table 1: 10 integrations on 190 of 190 possible baselines. ! AN table 2: 88 integrations on 190 of 190 possible baselines. ! AN table 3: 41 integrations on 190 of 190 possible baselines. ! AN table 4: 48 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.033718 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2169 lines of history. ! ! Reading 4792 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 J1957-3845_S_2000_12_04_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 200 telescope corrections were flagged in sub-array 1. ! A total of 1733 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 200 telescope corrections were flagged in sub-array 1. ! A total of 1733 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 200 telescope corrections were flagged in sub-array 1. ! A total of 1733 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 200 telescope corrections were flagged in sub-array 1. ! A total of 1760 telescope corrections were flagged in sub-array 2. ! A total of 579 telescope corrections were flagged in sub-array 3. ! A total of 776 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.195276Jy sigma=0.009485 ! Fit after self-cal, rms=0.372206Jy sigma=0.002858 ! 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=2.536 mas, bmaj=7.911 mas, bpa=7.288 degrees ! Estimated noise=2214.7 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 = 0.600441 Jy ! Component: 100 - total flux cleaned = 0.743536 Jy ! Total flux subtracted in 100 components = 0.743536 Jy ! Clean residual min=-0.034258 max=0.056419 Jy/beam ! Clean residual mean=0.001733 rms=0.012275 Jy/beam ! Combined flux in latest and established models = 0.743536 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.743536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346342Jy sigma=0.002555 ! Fit after self-cal, rms=0.346364Jy sigma=0.002555 ! 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=3.521 mas, bmaj=14.72 mas, bpa=1.146 degrees ! Estimated noise=1367.82 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 = 0.0952382 Jy ! Component: 100 - total flux cleaned = 0.135588 Jy ! Component: 150 - total flux cleaned = 0.154211 Jy ! Component: 200 - total flux cleaned = 0.163042 Jy ! Total flux subtracted in 200 components = 0.163042 Jy ! Clean residual min=-0.030003 max=0.031476 Jy/beam ! Clean residual mean=-0.001584 rms=0.009123 Jy/beam ! Combined flux in latest and established models = 0.906577 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 39 components and 0.906577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323215Jy sigma=0.002363 ! Fit after self-cal, rms=0.323021Jy sigma=0.002362 ! 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 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.92 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.96 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00* ! NL 1.08 NY 1.00* OV 1.06 PT 1.01 ! SC 1.04 TS 1.00* WF 1.14 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.08 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.93 KP 0.84 ! LA 1.16 MA 1.00* MC 1.00* MK 1.09 ! NL 1.00* NY 1.00* OV 1.16 PT 1.17 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.92 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.95 ! LA 1.00 MA 1.00* MC 1.00* MK 1.00* ! NL 1.07 NY 1.00* OV 1.05 PT 1.01 ! SC 1.01 TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.09 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.93 KP 1.03 ! LA 1.14 MA 1.00* MC 1.00* MK 1.14 ! NL 1.00* NY 1.00* OV 1.13 PT 1.15 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.67 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.82 ! LA 0.88 MA 1.00* MC 1.00* MK 1.00* ! NL 1.19 NY 1.00* OV 0.94 PT 0.76 ! SC 0.97 TS 1.00* WF 0.92 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.06 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.93 KP 1.00 ! LA 1.06 MA 1.00* MC 1.00* MK 1.03 ! NL 1.00* NY 1.00* OV 0.67 PT 0.77 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MA 0.00* MC 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.93 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00* KP 0.98 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00* ! NL 1.07 NY 1.00* OV 1.07 PT 1.06 ! SC 1.04 TS 1.00* WF 1.04 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.06 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.94 KP 1.08 ! LA 1.14 MA 1.00* MC 1.00* MK 1.12 ! NL 1.00* NY 1.00* OV 1.13 PT 1.21 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.323021Jy sigma=0.002362 ! Fit after self-cal, rms=0.229349Jy sigma=0.001862 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.716 mas, bmaj=23.71 mas, bpa=-2.058 degrees ! Estimated noise=1401 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 = -0.00469403 Jy ! Component: 100 - total flux cleaned = -0.00514711 Jy ! Component: 150 - total flux cleaned = -0.00523721 Jy ! Component: 200 - total flux cleaned = -0.00530942 Jy ! Total flux subtracted in 200 components = -0.00530942 Jy ! Clean residual min=-0.010138 max=0.010716 Jy/beam ! Clean residual mean=0.000602 rms=0.003089 Jy/beam ! Combined flux in latest and established models = 0.901268 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 44 components and 0.901268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229183Jy sigma=0.001861 ! Fit after self-cal, rms=0.230053Jy sigma=0.001858 ! 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=0.230053Jy sigma=0.001858 ! Fit after self-cal, rms=0.230450Jy sigma=0.001857 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.724 mas, bmaj=23.72 mas, bpa=-2.029 degrees ! Estimated noise=1400.62 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00328232 Jy ! Component: 100 - total flux cleaned = -0.00336401 Jy ! Component: 150 - total flux cleaned = -0.0034269 Jy ! Component: 200 - total flux cleaned = -0.00347817 Jy ! Total flux subtracted in 200 components = -0.00347817 Jy ! Clean residual min=-0.010048 max=0.010582 Jy/beam ! Clean residual mean=0.000561 rms=0.003076 Jy/beam ! Combined flux in latest and established models = 0.89779 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 44 components and 0.89779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230355Jy sigma=0.001857 ! Fit after self-cal, rms=0.230375Jy sigma=0.001857 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 = -0.000184453 Jy ! Component: 100 - total flux cleaned = -0.000224356 Jy ! Component: 150 - total flux cleaned = -0.000262527 Jy ! Component: 200 - total flux cleaned = -0.000333324 Jy ! Total flux subtracted in 200 components = -0.000333324 Jy ! Clean residual min=-0.010124 max=0.010510 Jy/beam ! Clean residual mean=0.000564 rms=0.003078 Jy/beam ! Combined flux in latest and established models = 0.897456 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 52 components and 0.897456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230355Jy sigma=0.001857 ! Fit after self-cal, rms=0.230352Jy sigma=0.001857 ! 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=0.230352Jy sigma=0.001857 ! Fit after self-cal, rms=0.230607Jy sigma=0.001857 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.73 mas, bmaj=23.71 mas, bpa=-1.996 degrees ! Estimated noise=1400.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00203977 Jy ! Component: 100 - total flux cleaned = -0.00217081 Jy ! Component: 150 - total flux cleaned = -0.00222325 Jy ! Component: 200 - total flux cleaned = -0.00226851 Jy ! Total flux subtracted in 200 components = -0.00226851 Jy ! Clean residual min=-0.010007 max=0.010468 Jy/beam ! Clean residual mean=0.000523 rms=0.003040 Jy/beam ! Combined flux in latest and established models = 0.895188 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 52 components and 0.895188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230554Jy sigma=0.001856 ! Fit after self-cal, rms=0.230562Jy sigma=0.001856 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 = -0.000133332 Jy ! Component: 100 - total flux cleaned = -0.000170811 Jy ! Component: 150 - total flux cleaned = -0.00023828 Jy ! Component: 200 - total flux cleaned = -0.000270517 Jy ! Total flux subtracted in 200 components = -0.000270517 Jy ! Clean residual min=-0.010065 max=0.010435 Jy/beam ! Clean residual mean=0.000525 rms=0.003042 Jy/beam ! Combined flux in latest and established models = 0.894917 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 55 components and 0.894917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230547Jy sigma=0.001856 ! Fit after self-cal, rms=0.230545Jy sigma=0.001856 ! 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=0.230545Jy sigma=0.001856 ! Fit after self-cal, rms=0.230717Jy sigma=0.001856 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.338 mas, bmaj=30.44 mas, bpa=-4.85 degrees ! Estimated noise=1628.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00146864 Jy ! Component: 100 - total flux cleaned = -0.00156012 Jy ! Component: 150 - total flux cleaned = -0.00163648 Jy ! Component: 200 - total flux cleaned = -0.00166908 Jy ! Total flux subtracted in 200 components = -0.00166908 Jy ! Clean residual min=-0.009481 max=0.013133 Jy/beam ! Clean residual mean=0.000808 rms=0.004057 Jy/beam ! Combined flux in latest and established models = 0.893248 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 61 components and 0.893248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230698Jy sigma=0.001856 ! Fit after self-cal, rms=0.230700Jy sigma=0.001856 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 = 2.51588e-06 Jy ! Component: 100 - total flux cleaned = -8.41795e-05 Jy ! Component: 150 - total flux cleaned = -8.46326e-05 Jy ! Component: 200 - total flux cleaned = -8.86037e-05 Jy ! Total flux subtracted in 200 components = -8.86037e-05 Jy ! Clean residual min=-0.009495 max=0.013081 Jy/beam ! Clean residual mean=0.000809 rms=0.004053 Jy/beam ! Combined flux in latest and established models = 0.89316 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 63 components and 0.89316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230694Jy sigma=0.001856 ! Fit after self-cal, rms=0.230688Jy sigma=0.001856 ! 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=3.732 mas, bmaj=23.7 mas, bpa=-1.972 degrees ! Estimated noise=1399.85 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.732 x 23.7 at -1.972 degrees (North through East) ! Clean map min=-0.009825 max=0.8314 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=0.230688Jy sigma=0.001856 ! Fit after self-cal, rms=0.221586Jy sigma=0.001542 ! Inverting map and beam ! Estimated beam: bmin=3.735 mas, bmaj=23.74 mas, bpa=-1.973 degrees ! Estimated noise=1399.43 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00153207 Jy ! Component: 100 - total flux cleaned = -0.00172114 Jy ! Component: 150 - total flux cleaned = -0.001763 Jy ! Component: 200 - total flux cleaned = -0.00180197 Jy ! Total flux subtracted in 200 components = -0.00180197 Jy ! Clean residual min=-0.008526 max=0.010456 Jy/beam ! Clean residual mean=0.000402 rms=0.002864 Jy/beam ! Combined flux in latest and established models = 0.891358 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 64 components and 0.891358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221546Jy sigma=0.001542 ! Fit after self-cal, rms=0.221544Jy sigma=0.001542 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.90418e-05 Jy ! Component: 100 - total flux cleaned = -0.000127153 Jy ! Component: 150 - total flux cleaned = -0.000163725 Jy ! Component: 200 - total flux cleaned = -0.000198091 Jy ! Total flux subtracted in 200 components = -0.000198091 Jy ! Clean residual min=-0.008496 max=0.010414 Jy/beam ! Clean residual mean=0.000403 rms=0.002864 Jy/beam ! Combined flux in latest and established models = 0.89116 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 66 components and 0.89116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221525Jy sigma=0.001542 ! Fit after self-cal, rms=0.221524Jy sigma=0.001542 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221524Jy sigma=0.001542 ! Fit after self-cal, rms=0.221746Jy sigma=0.001542 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=2.827 mas, bmaj=19.06 mas, bpa=-0.7168 degrees ! Estimated noise=2187.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.627961 Jy ! Component: 100 - total flux cleaned = 0.766906 Jy ! Component: 150 - total flux cleaned = 0.819616 Jy ! Component: 200 - total flux cleaned = 0.848036 Jy ! Total flux subtracted in 200 components = 0.848036 Jy ! Clean residual min=-0.013444 max=0.013679 Jy/beam ! Clean residual mean=0.000659 rms=0.003951 Jy/beam ! Combined flux in latest and established models = 0.848036 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.848036 Jy ! Inverting map and beam ! Estimated beam: bmin=3.738 mas, bmaj=23.74 mas, bpa=-1.961 degrees ! Estimated noise=1399.05 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 = 0.0226788 Jy ! Component: 100 - total flux cleaned = 0.0318904 Jy ! Component: 150 - total flux cleaned = 0.0359978 Jy ! Component: 200 - total flux cleaned = 0.0378462 Jy ! Total flux subtracted in 200 components = 0.0378462 Jy ! Clean residual min=-0.008527 max=0.009474 Jy/beam ! Clean residual mean=0.000403 rms=0.002953 Jy/beam ! Combined flux in latest and established models = 0.885882 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 45 components and 0.885882 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=9.352 mas, bmaj=30.52 mas, bpa=-4.86 degrees ! Estimated noise=1625.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00173883 Jy ! Component: 100 - total flux cleaned = 0.00184711 Jy ! Component: 150 - total flux cleaned = 0.00189487 Jy ! Component: 200 - total flux cleaned = 0.0019404 Jy ! Total flux subtracted in 200 components = 0.0019404 Jy ! Clean residual min=-0.008228 max=0.012748 Jy/beam ! Clean residual mean=0.000636 rms=0.004001 Jy/beam ! Combined flux in latest and established models = 0.887822 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 = 8.1339e-05 Jy ! Component: 100 - total flux cleaned = 0.000118766 Jy ! Component: 150 - total flux cleaned = 0.000188481 Jy ! Component: 200 - total flux cleaned = 0.000220929 Jy ! Total flux subtracted in 200 components = 0.000220929 Jy ! Clean residual min=-0.008263 max=0.012668 Jy/beam ! Clean residual mean=0.000633 rms=0.003967 Jy/beam ! Combined flux in latest and established models = 0.888043 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 50 components and 0.888043 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.738 mas, bmaj=23.74 mas, bpa=-1.961 degrees ! Estimated noise=1399.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00100789 Jy ! Component: 100 - total flux cleaned = -0.000935866 Jy ! Component: 150 - total flux cleaned = -0.000884558 Jy ! Component: 200 - total flux cleaned = -0.000882126 Jy ! Total flux subtracted in 200 components = -0.000882126 Jy ! Clean residual min=-0.008468 max=0.009681 Jy/beam ! Clean residual mean=0.000396 rms=0.002901 Jy/beam ! Combined flux in latest and established models = 0.887161 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 63 components and 0.887161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221614Jy sigma=0.001542 ! Fit after self-cal, rms=0.221580Jy sigma=0.001542 wmodel J1957-3845_S_2000_12_04_pus_map.mod ! Writing 63 model components to file: J1957-3845_S_2000_12_04_pus_map.mod wobs J1957-3845_S_2000_12_04_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2000_12_04_pus_uvs.fits wwins J1957-3845_S_2000_12_04_pus_map.win ! wwins: Wrote 1 windows to J1957-3845_S_2000_12_04_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 = 0.00197084 Jy ! Component: 100 - total flux cleaned = 0.00254978 Jy ! Component: 150 - total flux cleaned = 0.00267184 Jy ! Component: 200 - total flux cleaned = 0.00301112 Jy ! Component: 250 - total flux cleaned = 0.00332539 Jy ! Component: 300 - total flux cleaned = 0.003512 Jy ! Component: 350 - total flux cleaned = 0.00351152 Jy ! Component: 400 - total flux cleaned = 0.00350996 Jy ! Component: 450 - total flux cleaned = 0.00373925 Jy ! Component: 500 - total flux cleaned = 0.00396037 Jy ! Component: 550 - total flux cleaned = 0.00395898 Jy ! Component: 600 - total flux cleaned = 0.00436653 Jy ! Component: 650 - total flux cleaned = 0.00456317 Jy ! Component: 700 - total flux cleaned = 0.00482043 Jy ! Component: 750 - total flux cleaned = 0.00500824 Jy ! Component: 800 - total flux cleaned = 0.00500933 Jy ! Component: 850 - total flux cleaned = 0.00506958 Jy ! Component: 900 - total flux cleaned = 0.00518695 Jy ! Component: 950 - total flux cleaned = 0.0052441 Jy ! Component: 1000 - total flux cleaned = 0.00518884 Jy ! Component: 1050 - total flux cleaned = 0.00529808 Jy ! Component: 1100 - total flux cleaned = 0.00540583 Jy ! Component: 1150 - total flux cleaned = 0.00551195 Jy ! Component: 1200 - total flux cleaned = 0.00566799 Jy ! Component: 1250 - total flux cleaned = 0.00582065 Jy ! Component: 1300 - total flux cleaned = 0.00592019 Jy ! Component: 1350 - total flux cleaned = 0.00606764 Jy ! Component: 1400 - total flux cleaned = 0.00606774 Jy ! Component: 1450 - total flux cleaned = 0.00616422 Jy ! Component: 1500 - total flux cleaned = 0.00616475 Jy ! Component: 1550 - total flux cleaned = 0.00621191 Jy ! Component: 1600 - total flux cleaned = 0.00616551 Jy ! Component: 1650 - total flux cleaned = 0.00625682 Jy ! Component: 1700 - total flux cleaned = 0.0062566 Jy ! Component: 1750 - total flux cleaned = 0.00630088 Jy ! Component: 1800 - total flux cleaned = 0.00630087 Jy ! Component: 1850 - total flux cleaned = 0.00634433 Jy ! Component: 1900 - total flux cleaned = 0.00634447 Jy ! Component: 1950 - total flux cleaned = 0.00625944 Jy ! Component: 2000 - total flux cleaned = 0.00630221 Jy ! Total flux subtracted in 2048 components = 0.00630236 Jy ! Clean residual min=-0.002324 max=0.002163 Jy/beam ! Clean residual mean=0.000155 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.893463 Jy keep ! Adding 170 model components to the UV plane model. ! The established model now contains 233 components and 0.893464 Jy ![Exited script file: muppet] wmap "J1957-3845_S_2000_12_04_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.738 x 23.74 at -1.961 degrees (North through East) ! Clean map min=-0.007232 max=0.83029 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2000_12_04_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.830293 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000875587 device "J1957-3845_S_2000_12_04_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2000_12_04_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.316365 0.316365 0.632731 1.26546 2.53092 5.06185 10.1237 20.2474 40.4948 80.9896 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.83 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.738 x 23.74 at -1.961 degrees (North through East) ! Clean map min=-0.007232 max=0.83029 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_2000_12_04_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_2000_12_04_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_S_2000_12_04_pus_uvs.log closed on Wed Oct 17 17:20:52 2007