! Started logfile: J1957-3845_S_2001_04_09_pus_uvs.log on Fri Oct 5 16:17:43 2007 obs J1957-3845_S_2001_04_09_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2001_04_09_pus_uva.fits ! AN table 1: 10 integrations on 190 of 190 possible baselines. ! AN table 2: 26 integrations on 190 of 190 possible baselines. ! AN table 3: 80 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0664247 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1949 lines of history. ! ! Reading 5856 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_2001_04_09_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 173 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 1135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 173 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 1135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 173 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 1135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 173 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 1135 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.888357Jy sigma=0.006301 ! Fit after self-cal, rms=0.338052Jy sigma=0.002217 ! 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=2.35 mas, bmaj=5.891 mas, bpa=-9.998 degrees ! Estimated noise=2404.19 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 = 0.543335 Jy ! Component: 100 - total flux cleaned = 0.67917 Jy ! Total flux subtracted in 100 components = 0.67917 Jy ! Clean residual min=-0.039407 max=0.059664 Jy/beam ! Clean residual mean=0.000175 rms=0.011519 Jy/beam ! Combined flux in latest and established models = 0.67917 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.67917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256406Jy sigma=0.001752 ! Fit after self-cal, rms=0.256397Jy sigma=0.001751 ! 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=3.419 mas, bmaj=10.48 mas, bpa=-15.58 degrees ! Estimated noise=1286.84 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 = 0.100912 Jy ! Component: 100 - total flux cleaned = 0.139649 Jy ! Component: 150 - total flux cleaned = 0.155348 Jy ! Component: 200 - total flux cleaned = 0.161905 Jy ! Total flux subtracted in 200 components = 0.161905 Jy ! Clean residual min=-0.011544 max=0.019531 Jy/beam ! Clean residual mean=0.000793 rms=0.004062 Jy/beam ! Combined flux in latest and established models = 0.841075 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 28 components and 0.841075 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224859Jy sigma=0.001433 ! Fit after self-cal, rms=0.224854Jy sigma=0.001433 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.97 KP 0.99 ! LA 0.97 MA 1.00* MC 1.00* MK 1.02 ! NL 1.02 NY 1.00* OV 1.03 PT 0.95 ! SC 0.94 TS 1.00* WF 1.39 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.94 KP 0.97 ! LA 0.97 MA 1.00* MC 1.00* MK 1.02 ! NL 1.07 NY 1.00* OV 0.99 PT 1.00 ! SC 0.99 TS 1.00* WF 1.39 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00 KP 1.05 ! LA 0.94 MA 1.00* MC 1.00* MK 0.99 ! NL 1.04 NY 1.00* OV 0.98 PT 1.00 ! SC 0.89 TS 1.00* WF 1.30 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 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 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.96 KP 1.02 ! LA 0.98 MA 1.00* MC 1.00* MK 0.97 ! NL 1.03 NY 1.00* OV 0.99 PT 1.03 ! SC 1.00 TS 1.00* WF 1.40 WZ 1.00* ! ! ! Fit before self-cal, rms=0.224854Jy sigma=0.001433 ! Fit after self-cal, rms=0.202975Jy sigma=0.001327 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.405 mas, bmaj=12.18 mas, bpa=-15.51 degrees ! Estimated noise=1293.17 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 = -0.00301765 Jy ! Component: 100 - total flux cleaned = -0.00302029 Jy ! Component: 150 - total flux cleaned = -0.00308852 Jy ! Component: 200 - total flux cleaned = -0.00308998 Jy ! Total flux subtracted in 200 components = -0.00308998 Jy ! Clean residual min=-0.009169 max=0.011092 Jy/beam ! Clean residual mean=0.000387 rms=0.002751 Jy/beam ! Combined flux in latest and established models = 0.837985 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 33 components and 0.837985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202876Jy sigma=0.001327 ! Fit after self-cal, rms=0.203092Jy sigma=0.001326 ! 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=0.203092Jy sigma=0.001326 ! Fit after self-cal, rms=0.202905Jy sigma=0.001315 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.413 mas, bmaj=12.19 mas, bpa=-15.48 degrees ! Estimated noise=1293.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00201364 Jy ! Component: 100 - total flux cleaned = -0.00195195 Jy ! Component: 150 - total flux cleaned = -0.00194895 Jy ! Component: 200 - total flux cleaned = -0.00195223 Jy ! Total flux subtracted in 200 components = -0.00195223 Jy ! Clean residual min=-0.007489 max=0.010136 Jy/beam ! Clean residual mean=0.000321 rms=0.002437 Jy/beam ! Combined flux in latest and established models = 0.836033 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 35 components and 0.836033 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202849Jy sigma=0.001315 ! Fit after self-cal, rms=0.202875Jy sigma=0.001314 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 = -1.87581e-05 Jy ! Component: 100 - total flux cleaned = 2.93104e-05 Jy ! Component: 150 - total flux cleaned = 2.74155e-05 Jy ! Component: 200 - total flux cleaned = -8.52836e-06 Jy ! Total flux subtracted in 200 components = -8.52836e-06 Jy ! Clean residual min=-0.007367 max=0.010109 Jy/beam ! Clean residual mean=0.000322 rms=0.002430 Jy/beam ! Combined flux in latest and established models = 0.836024 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 39 components and 0.836024 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202854Jy sigma=0.001314 ! Fit after self-cal, rms=0.202851Jy sigma=0.001314 ! 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=0.202851Jy sigma=0.001314 ! Fit after self-cal, rms=0.203132Jy sigma=0.001314 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.419 mas, bmaj=12.2 mas, bpa=-15.46 degrees ! Estimated noise=1294.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00117996 Jy ! Component: 100 - total flux cleaned = -0.00117704 Jy ! Component: 150 - total flux cleaned = -0.00121381 Jy ! Component: 200 - total flux cleaned = -0.00121217 Jy ! Total flux subtracted in 200 components = -0.00121217 Jy ! Clean residual min=-0.007306 max=0.009966 Jy/beam ! Clean residual mean=0.000311 rms=0.002432 Jy/beam ! Combined flux in latest and established models = 0.834812 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 40 components and 0.834812 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203098Jy sigma=0.001314 ! Fit after self-cal, rms=0.203099Jy sigma=0.001314 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 = -4.22175e-05 Jy ! Component: 100 - total flux cleaned = -3.84065e-05 Jy ! Component: 150 - total flux cleaned = -3.8627e-05 Jy ! Component: 200 - total flux cleaned = -3.94401e-05 Jy ! Total flux subtracted in 200 components = -3.94401e-05 Jy ! Clean residual min=-0.007242 max=0.009966 Jy/beam ! Clean residual mean=0.000311 rms=0.002427 Jy/beam ! Combined flux in latest and established models = 0.834773 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 0.834773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203083Jy sigma=0.001314 ! Fit after self-cal, rms=0.203080Jy sigma=0.001314 ! 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=0.203080Jy sigma=0.001314 ! Fit after self-cal, rms=0.203220Jy sigma=0.001314 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.343 mas, bmaj=33.75 mas, bpa=-6.57 degrees ! Estimated noise=1517.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00109147 Jy ! Component: 100 - total flux cleaned = -0.00108392 Jy ! Component: 150 - total flux cleaned = -0.00107141 Jy ! Component: 200 - total flux cleaned = -0.0010584 Jy ! Total flux subtracted in 200 components = -0.0010584 Jy ! Clean residual min=-0.007753 max=0.011534 Jy/beam ! Clean residual mean=0.000509 rms=0.003314 Jy/beam ! Combined flux in latest and established models = 0.833714 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 51 components and 0.833714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203221Jy sigma=0.001314 ! Fit after self-cal, rms=0.203200Jy sigma=0.001314 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 = 7.38123e-06 Jy ! Component: 100 - total flux cleaned = 1.73986e-05 Jy ! Component: 150 - total flux cleaned = 2.80676e-05 Jy ! Component: 200 - total flux cleaned = 3.77945e-05 Jy ! Total flux subtracted in 200 components = 3.77945e-05 Jy ! Clean residual min=-0.007691 max=0.011523 Jy/beam ! Clean residual mean=0.000509 rms=0.003309 Jy/beam ! Combined flux in latest and established models = 0.833752 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 55 components and 0.833752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203201Jy sigma=0.001314 ! Fit after self-cal, rms=0.203181Jy sigma=0.001314 ! 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=3.423 mas, bmaj=12.21 mas, bpa=-15.44 degrees ! Estimated noise=1294.84 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.423 x 12.21 at -15.44 degrees (North through East) ! Clean map min=-0.0068213 max=0.76717 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=0.203181Jy sigma=0.001314 ! Fit after self-cal, rms=0.190737Jy sigma=0.001178 ! Inverting map and beam ! Estimated beam: bmin=3.421 mas, bmaj=12.22 mas, bpa=-15.46 degrees ! Estimated noise=1293.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000685903 Jy ! Component: 100 - total flux cleaned = -0.000725969 Jy ! Component: 150 - total flux cleaned = -0.000763688 Jy ! Component: 200 - total flux cleaned = -0.000796679 Jy ! Total flux subtracted in 200 components = -0.000796679 Jy ! Clean residual min=-0.006519 max=0.010332 Jy/beam ! Clean residual mean=0.000341 rms=0.002405 Jy/beam ! Combined flux in latest and established models = 0.832955 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 58 components and 0.832955 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190718Jy sigma=0.001178 ! Fit after self-cal, rms=0.190719Jy sigma=0.001178 ! Inverting map ! Added new window around map position (-19.5, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00940378 Jy ! Component: 100 - total flux cleaned = 0.0140616 Jy ! Component: 150 - total flux cleaned = 0.0152389 Jy ! Component: 200 - total flux cleaned = 0.0152385 Jy ! Total flux subtracted in 200 components = 0.0152385 Jy ! Clean residual min=-0.005612 max=0.005621 Jy/beam ! Clean residual mean=0.000130 rms=0.001589 Jy/beam ! Combined flux in latest and established models = 0.848194 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 79 components and 0.848194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190265Jy sigma=0.001174 ! Fit after self-cal, rms=0.190233Jy sigma=0.001174 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190233Jy sigma=0.001174 ! Fit after self-cal, rms=0.189945Jy sigma=0.001173 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=2.298 mas, bmaj=8.202 mas, bpa=-10.14 degrees ! Estimated noise=2360.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.55707 Jy ! Component: 100 - total flux cleaned = 0.694534 Jy ! Component: 150 - total flux cleaned = 0.759372 Jy ! Component: 200 - total flux cleaned = 0.793836 Jy ! Total flux subtracted in 200 components = 0.793836 Jy ! Clean residual min=-0.014502 max=0.016658 Jy/beam ! Clean residual mean=0.000107 rms=0.004251 Jy/beam ! Combined flux in latest and established models = 0.793836 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.793836 Jy ! Inverting map and beam ! Estimated beam: bmin=3.422 mas, bmaj=12.22 mas, bpa=-15.44 degrees ! Estimated noise=1291.74 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 = 0.0243935 Jy ! Component: 100 - total flux cleaned = 0.03657 Jy ! Component: 150 - total flux cleaned = 0.0443317 Jy ! Component: 200 - total flux cleaned = 0.0496699 Jy ! Total flux subtracted in 200 components = 0.0496699 Jy ! Clean residual min=-0.005260 max=0.006587 Jy/beam ! Clean residual mean=0.000215 rms=0.001629 Jy/beam ! Combined flux in latest and established models = 0.843506 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 46 components and 0.843506 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=9.347 mas, bmaj=33.76 mas, bpa=-6.57 degrees ! Estimated noise=1514.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00504289 Jy ! Component: 100 - total flux cleaned = 0.00780369 Jy ! Component: 150 - total flux cleaned = 0.00914909 Jy ! Component: 200 - total flux cleaned = 0.00954822 Jy ! Total flux subtracted in 200 components = 0.00954822 Jy ! Clean residual min=-0.004028 max=0.005027 Jy/beam ! Clean residual mean=0.000224 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 0.853055 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 = 0.000260644 Jy ! Component: 100 - total flux cleaned = 0.000457003 Jy ! Component: 150 - total flux cleaned = 0.000550299 Jy ! Component: 200 - total flux cleaned = 0.000596922 Jy ! Total flux subtracted in 200 components = 0.000596922 Jy ! Clean residual min=-0.003909 max=0.005018 Jy/beam ! Clean residual mean=0.000215 rms=0.001589 Jy/beam ! Combined flux in latest and established models = 0.853652 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 63 components and 0.853652 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.422 mas, bmaj=12.22 mas, bpa=-15.44 degrees ! Estimated noise=1291.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000615881 Jy ! Component: 100 - total flux cleaned = -0.00044371 Jy ! Component: 150 - total flux cleaned = -0.00029205 Jy ! Component: 200 - total flux cleaned = -0.000223952 Jy ! Total flux subtracted in 200 components = -0.000223952 Jy ! Clean residual min=-0.004863 max=0.005040 Jy/beam ! Clean residual mean=0.000135 rms=0.001416 Jy/beam ! Combined flux in latest and established models = 0.853428 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 81 components and 0.853428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189812Jy sigma=0.001173 ! Fit after self-cal, rms=0.189788Jy sigma=0.001172 wmodel J1957-3845_S_2001_04_09_pus_map.mod ! Writing 81 model components to file: J1957-3845_S_2001_04_09_pus_map.mod wobs J1957-3845_S_2001_04_09_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2001_04_09_pus_uvs.fits wwins J1957-3845_S_2001_04_09_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_S_2001_04_09_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 = 3.79259e-05 Jy ! Component: 100 - total flux cleaned = 0.000118902 Jy ! Component: 150 - total flux cleaned = 0.000196771 Jy ! Component: 200 - total flux cleaned = 0.000341486 Jy ! Component: 250 - total flux cleaned = 0.000409766 Jy ! Component: 300 - total flux cleaned = 0.000667476 Jy ! Component: 350 - total flux cleaned = 0.000729236 Jy ! Component: 400 - total flux cleaned = 0.000788064 Jy ! Component: 450 - total flux cleaned = 0.000903815 Jy ! Component: 500 - total flux cleaned = 0.00084931 Jy ! Component: 550 - total flux cleaned = 0.00111827 Jy ! Component: 600 - total flux cleaned = 0.00117019 Jy ! Component: 650 - total flux cleaned = 0.0013759 Jy ! Component: 700 - total flux cleaned = 0.0015262 Jy ! Component: 750 - total flux cleaned = 0.00157464 Jy ! Component: 800 - total flux cleaned = 0.00162313 Jy ! Component: 850 - total flux cleaned = 0.00167086 Jy ! Component: 900 - total flux cleaned = 0.00167111 Jy ! Component: 950 - total flux cleaned = 0.00176374 Jy ! Component: 1000 - total flux cleaned = 0.00176365 Jy ! Component: 1050 - total flux cleaned = 0.00167536 Jy ! Component: 1100 - total flux cleaned = 0.00171905 Jy ! Component: 1150 - total flux cleaned = 0.00184749 Jy ! Component: 1200 - total flux cleaned = 0.0018052 Jy ! Component: 1250 - total flux cleaned = 0.00184708 Jy ! Component: 1300 - total flux cleaned = 0.00184756 Jy ! Component: 1350 - total flux cleaned = 0.00188796 Jy ! Component: 1400 - total flux cleaned = 0.00196797 Jy ! Component: 1450 - total flux cleaned = 0.0018502 Jy ! Component: 1500 - total flux cleaned = 0.00196705 Jy ! Component: 1550 - total flux cleaned = 0.00192942 Jy ! Component: 1600 - total flux cleaned = 0.00204311 Jy ! Component: 1650 - total flux cleaned = 0.00211687 Jy ! Component: 1700 - total flux cleaned = 0.00215292 Jy ! Component: 1750 - total flux cleaned = 0.0020806 Jy ! Component: 1800 - total flux cleaned = 0.00201015 Jy ! Component: 1850 - total flux cleaned = 0.00211618 Jy ! Component: 1900 - total flux cleaned = 0.00208128 Jy ! Component: 1950 - total flux cleaned = 0.00208104 Jy ! Component: 2000 - total flux cleaned = 0.00214845 Jy ! Total flux subtracted in 2048 components = 0.00208095 Jy ! Clean residual min=-0.001877 max=0.001875 Jy/beam ! Clean residual mean=0.000103 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.855509 Jy keep ! Adding 113 model components to the UV plane model. ! The established model now contains 194 components and 0.855509 Jy ![Exited script file: muppet] wmap "J1957-3845_S_2001_04_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.422 x 12.22 at -15.44 degrees (North through East) ! Clean map min=-0.0038384 max=0.76953 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2001_04_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.769533 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000634831 device "J1957-3845_S_2001_04_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2001_04_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.247487 0.247487 0.494974 0.989948 1.9799 3.95979 7.91959 15.8392 31.6783 63.3567 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.769 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.422 x 12.22 at -15.44 degrees (North through East) ! Clean map min=-0.0038384 max=0.76953 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_2001_04_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_2001_04_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_S_2001_04_09_pus_uvs.log closed on Fri Oct 5 16:17:49 2007