! Started logfile: J1127-1857_X_2003_07_09_pus_uvs.log on Sun Apr 7 13:36:16 2013 obs J1127-1857_X_2003_07_09_pus_uva.fits ! Reading UV FITS file: J1127-1857_X_2003_07_09_pus_uva.fits ! AN table 1: 47 integrations on 171 of 171 possible baselines. ! AN table 2: 24 integrations on 171 of 171 possible baselines. ! AN table 3: 25 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0425804 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1127-1857 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1874 lines of history. ! ! Reading 2796 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1127-1857_X_2003_07_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 0.200x0.200 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 788 telescope corrections were flagged in sub-array 1. ! A total of 341 telescope corrections were flagged in sub-array 2. ! A total of 378 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 788 telescope corrections were flagged in sub-array 1. ! A total of 341 telescope corrections were flagged in sub-array 2. ! A total of 378 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 788 telescope corrections were flagged in sub-array 1. ! A total of 341 telescope corrections were flagged in sub-array 2. ! A total of 378 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 788 telescope corrections were flagged in sub-array 1. ! A total of 341 telescope corrections were flagged in sub-array 2. ! A total of 378 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.106447Jy sigma=0.008209 ! Fit after self-cal, rms=0.507596Jy sigma=0.004196 ! 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=1.054 mas, bmaj=2.447 mas, bpa=-4.381 degrees ! Estimated noise=1975.83 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 = 1.13142 Jy ! Component: 100 - total flux cleaned = 1.38773 Jy ! Total flux subtracted in 100 components = 1.38773 Jy ! Clean residual min=-0.048890 max=0.082982 Jy/beam ! Clean residual mean=0.000599 rms=0.014770 Jy/beam ! Combined flux in latest and established models = 1.38773 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.38773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225666Jy sigma=0.001751 ! Fit after self-cal, rms=0.225561Jy 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=1.25 mas, bmaj=2.578 mas, bpa=-3.279 degrees ! Estimated noise=1673.4 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 = 0.0815124 Jy ! Component: 100 - total flux cleaned = 0.118187 Jy ! Component: 150 - total flux cleaned = 0.138972 Jy ! Component: 200 - total flux cleaned = 0.151984 Jy ! Total flux subtracted in 200 components = 0.151984 Jy ! Clean residual min=-0.033443 max=0.026459 Jy/beam ! Clean residual mean=-0.000741 rms=0.008846 Jy/beam ! Combined flux in latest and established models = 1.53971 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 1.53971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197003Jy sigma=0.001488 ! Fit after self-cal, rms=0.196918Jy sigma=0.001487 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HN 1.02 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.01 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 1.22 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 GC 1.00* GG 1.00* ! HN 0.98 KP 0.95 LA 0.98 MA 1.00* ! MK 1.00* NL 1.08 NY 1.00* ON 1.00* ! OV 1.00 PT 1.01 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.00* GC 1.00* GG 1.00* ! HN 1.01 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 0.96 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00 TC 1.00* ! TS 1.00* WF 0.92 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HN 1.00 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.02 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 1.17 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.99 GC 1.00* GG 1.00* ! HN 0.99 KP 0.90 LA 0.97 MA 1.00* ! MK 1.00* NL 1.06 NY 1.00* ON 1.00* ! OV 0.99 PT 1.05 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.00* GC 1.00* GG 1.00* ! HN 1.00 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 0.98 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.02 TC 1.00* ! TS 1.00* WF 0.98 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HN 1.04 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.06 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 1.19 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.99 GC 1.00* GG 1.00* ! HN 0.99 KP 0.84 LA 0.96 MA 1.00* ! MK 1.00* NL 1.03 NY 1.00* ON 1.00* ! OV 1.03 PT 1.05 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.00* GC 1.00* GG 1.00* ! HN 0.97 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.00 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 0.98 TC 1.00* ! TS 1.00* WF 0.96 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HN 1.03 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 1.01 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* TC 1.00* ! TS 1.00* WF 1.23 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.97 GC 1.00* GG 1.00* ! HN 1.00 KP 0.90 LA 0.97 MA 1.00* ! MK 1.00* NL 1.03 NY 1.00* ON 1.00* ! OV 1.00 PT 1.07 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.00* GC 1.00* GG 1.00* ! HN 1.01 KP 1.00* LA 1.00* MA 1.00* ! MK 1.00* NL 0.97 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.08 TC 1.00* ! TS 1.00* WF 0.94 WZ 1.00* ! ! ! Fit before self-cal, rms=0.196918Jy sigma=0.001487 ! Fit after self-cal, rms=0.166515Jy sigma=0.001248 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.279 mas, bmaj=2.941 mas, bpa=2.699 degrees ! Estimated noise=1771.21 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 = -0.0016851 Jy ! Component: 100 - total flux cleaned = -0.00179592 Jy ! Component: 150 - total flux cleaned = -0.00179046 Jy ! Component: 200 - total flux cleaned = -0.00178923 Jy ! Total flux subtracted in 200 components = -0.00178923 Jy ! Clean residual min=-0.010808 max=0.008089 Jy/beam ! Clean residual mean=-0.000302 rms=0.002218 Jy/beam ! Combined flux in latest and established models = 1.53792 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 35 components and 1.53792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166383Jy sigma=0.001247 ! Fit after self-cal, rms=0.166418Jy sigma=0.001247 ! 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=0.166418Jy sigma=0.001247 ! Fit after self-cal, rms=0.166483Jy sigma=0.001247 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.28 mas, bmaj=2.941 mas, bpa=2.716 degrees ! Estimated noise=1772.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0012087 Jy ! Component: 100 - total flux cleaned = -0.00129292 Jy ! Component: 150 - total flux cleaned = -0.00129507 Jy ! Component: 200 - total flux cleaned = -0.00129136 Jy ! Total flux subtracted in 200 components = -0.00129136 Jy ! Clean residual min=-0.010407 max=0.007778 Jy/beam ! Clean residual mean=-0.000291 rms=0.002168 Jy/beam ! Combined flux in latest and established models = 1.53663 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 36 components and 1.53663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166391Jy sigma=0.001246 ! Fit after self-cal, rms=0.166382Jy sigma=0.001246 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 = -8.44716e-05 Jy ! Component: 100 - total flux cleaned = -8.45836e-05 Jy ! Component: 150 - total flux cleaned = -8.24621e-05 Jy ! Component: 200 - total flux cleaned = -0.000178733 Jy ! Total flux subtracted in 200 components = -0.000178733 Jy ! Clean residual min=-0.010136 max=0.007723 Jy/beam ! Clean residual mean=-0.000287 rms=0.002150 Jy/beam ! Combined flux in latest and established models = 1.53645 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 37 components and 1.53645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166341Jy sigma=0.001246 ! Fit after self-cal, rms=0.166337Jy sigma=0.001246 ! 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=0.166337Jy sigma=0.001246 ! Fit after self-cal, rms=0.166461Jy sigma=0.001246 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.282 mas, bmaj=2.942 mas, bpa=2.724 degrees ! Estimated noise=1773.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00081762 Jy ! Component: 100 - total flux cleaned = -0.000891839 Jy ! Component: 150 - total flux cleaned = -0.000950328 Jy ! Component: 200 - total flux cleaned = -0.000944174 Jy ! Total flux subtracted in 200 components = -0.000944174 Jy ! Clean residual min=-0.009886 max=0.007723 Jy/beam ! Clean residual mean=-0.000285 rms=0.002117 Jy/beam ! Combined flux in latest and established models = 1.53551 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 37 components and 1.53551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166403Jy sigma=0.001245 ! Fit after self-cal, rms=0.166398Jy sigma=0.001245 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 = -5.8434e-05 Jy ! Component: 100 - total flux cleaned = -5.20552e-05 Jy ! Component: 150 - total flux cleaned = -9.57603e-05 Jy ! Component: 200 - total flux cleaned = -0.000135164 Jy ! Total flux subtracted in 200 components = -0.000135164 Jy ! Clean residual min=-0.009649 max=0.007699 Jy/beam ! Clean residual mean=-0.000283 rms=0.002106 Jy/beam ! Combined flux in latest and established models = 1.53537 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 39 components and 1.53537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166372Jy sigma=0.001245 ! Fit after self-cal, rms=0.166370Jy sigma=0.001245 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.166370Jy sigma=0.001245 ! Fit after self-cal, rms=0.166497Jy sigma=0.001245 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.213 mas, bmaj=4.582 mas, bpa=-5.316 degrees ! Estimated noise=2020.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.1621e-05 Jy ! Component: 100 - total flux cleaned = -6.66432e-05 Jy ! Component: 150 - total flux cleaned = -0.00013625 Jy ! Component: 200 - total flux cleaned = -0.000216347 Jy ! Total flux subtracted in 200 components = -0.000216347 Jy ! Clean residual min=-0.009200 max=0.007677 Jy/beam ! Clean residual mean=-0.000492 rms=0.002561 Jy/beam ! Combined flux in latest and established models = 1.53516 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 40 components and 1.53516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166492Jy sigma=0.001245 ! Fit after self-cal, rms=0.166482Jy sigma=0.001245 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 = -0.000167644 Jy ! Component: 100 - total flux cleaned = -0.000233083 Jy ! Component: 150 - total flux cleaned = -0.000282864 Jy ! Component: 200 - total flux cleaned = -0.00030621 Jy ! Total flux subtracted in 200 components = -0.00030621 Jy ! Clean residual min=-0.009173 max=0.007731 Jy/beam ! Clean residual mean=-0.000483 rms=0.002556 Jy/beam ! Combined flux in latest and established models = 1.53485 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 41 components and 1.53485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166487Jy sigma=0.001245 ! Fit after self-cal, rms=0.166478Jy sigma=0.001245 ! 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=1.282 mas, bmaj=2.943 mas, bpa=2.725 degrees ! Estimated noise=1774.89 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.282 x 2.943 at 2.725 degrees (North through East) ! Clean map min=-0.0091319 max=1.4341 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=0.166478Jy sigma=0.001245 ! Fit after self-cal, rms=0.140532Jy sigma=0.001039 ! Inverting map and beam ! Estimated beam: bmin=1.282 mas, bmaj=2.943 mas, bpa=2.75 degrees ! Estimated noise=1773.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00196576 Jy ! Component: 100 - total flux cleaned = -0.00224758 Jy ! Component: 150 - total flux cleaned = -0.00239066 Jy ! Component: 200 - total flux cleaned = -0.00251586 Jy ! Total flux subtracted in 200 components = -0.00251586 Jy ! Clean residual min=-0.008824 max=0.007405 Jy/beam ! Clean residual mean=-0.000248 rms=0.002023 Jy/beam ! Combined flux in latest and established models = 1.53233 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 50 components and 1.53233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140472Jy sigma=0.001039 ! Fit after self-cal, rms=0.140470Jy sigma=0.001039 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000336799 Jy ! Component: 100 - total flux cleaned = -0.000452874 Jy ! Component: 150 - total flux cleaned = -0.000522938 Jy ! Component: 200 - total flux cleaned = -0.00058578 Jy ! Total flux subtracted in 200 components = -0.00058578 Jy ! Clean residual min=-0.008602 max=0.007407 Jy/beam ! Clean residual mean=-0.000236 rms=0.002018 Jy/beam ! Combined flux in latest and established models = 1.53175 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 52 components and 1.53175 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140444Jy sigma=0.001039 ! Fit after self-cal, rms=0.140444Jy sigma=0.001039 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140444Jy sigma=0.001039 ! Fit after self-cal, rms=0.140465Jy sigma=0.001038 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=1.084 mas, bmaj=2.796 mas, bpa=0.7053 degrees ! Estimated noise=2091.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.1349 Jy ! Component: 100 - total flux cleaned = 1.38922 Jy ! Component: 150 - total flux cleaned = 1.46004 Jy ! Component: 200 - total flux cleaned = 1.48793 Jy ! Total flux subtracted in 200 components = 1.48793 Jy ! Clean residual min=-0.011409 max=0.015147 Jy/beam ! Clean residual mean=0.000095 rms=0.003437 Jy/beam ! Combined flux in latest and established models = 1.48793 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 19 model components to the UV plane model. ! The established model now contains 19 components and 1.48793 Jy ! Inverting map and beam ! Estimated beam: bmin=1.283 mas, bmaj=2.944 mas, bpa=2.738 degrees ! Estimated noise=1773.41 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) ! Added new window around map position (1, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0185199 Jy ! Component: 100 - total flux cleaned = 0.0277578 Jy ! Component: 150 - total flux cleaned = 0.0335215 Jy ! Component: 200 - total flux cleaned = 0.0373304 Jy ! Total flux subtracted in 200 components = 0.0373304 Jy ! Clean residual min=-0.006976 max=0.007481 Jy/beam ! Clean residual mean=-0.000115 rms=0.001953 Jy/beam ! Combined flux in latest and established models = 1.52526 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 38 components and 1.52526 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.215 mas, bmaj=4.588 mas, bpa=-5.343 degrees ! Estimated noise=2017.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00322226 Jy ! Component: 100 - total flux cleaned = 0.00432152 Jy ! Component: 150 - total flux cleaned = 0.00477309 Jy ! Component: 200 - total flux cleaned = 0.00500362 Jy ! Total flux subtracted in 200 components = 0.00500362 Jy ! Clean residual min=-0.007485 max=0.007169 Jy/beam ! Clean residual mean=-0.000360 rms=0.002332 Jy/beam ! Combined flux in latest and established models = 1.53026 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 = 0.000163083 Jy ! Component: 100 - total flux cleaned = 0.000316507 Jy ! Component: 150 - total flux cleaned = 0.000512564 Jy ! Component: 200 - total flux cleaned = 0.00060224 Jy ! Total flux subtracted in 200 components = 0.00060224 Jy ! Clean residual min=-0.007367 max=0.007036 Jy/beam ! Clean residual mean=-0.000378 rms=0.002300 Jy/beam ! Combined flux in latest and established models = 1.53087 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 60 components and 1.53087 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.283 mas, bmaj=2.944 mas, bpa=2.738 degrees ! Estimated noise=1773.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000666753 Jy ! Component: 100 - total flux cleaned = -0.000477113 Jy ! Component: 150 - total flux cleaned = -0.000420278 Jy ! Component: 200 - total flux cleaned = -0.000314128 Jy ! Total flux subtracted in 200 components = -0.000314128 Jy ! Clean residual min=-0.006318 max=0.007036 Jy/beam ! Clean residual mean=-0.000219 rms=0.001836 Jy/beam ! Combined flux in latest and established models = 1.53055 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 69 components and 1.53055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140250Jy sigma=0.001036 ! Fit after self-cal, rms=0.140208Jy sigma=0.001036 wmodel J1127-1857_X_2003_07_09_pus_map.mod ! Writing 69 model components to file: J1127-1857_X_2003_07_09_pus_map.mod wobs J1127-1857_X_2003_07_09_pus_uvs.fits ! Writing UV FITS file: J1127-1857_X_2003_07_09_pus_uvs.fits wwins J1127-1857_X_2003_07_09_pus_map.win ! wwins: Wrote 2 windows to J1127-1857_X_2003_07_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 = -0.000839298 Jy ! Component: 100 - total flux cleaned = -0.00199282 Jy ! Component: 150 - total flux cleaned = -0.0032555 Jy ! Component: 200 - total flux cleaned = -0.00460419 Jy ! Component: 250 - total flux cleaned = -0.00578303 Jy ! Component: 300 - total flux cleaned = -0.00634056 Jy ! Component: 350 - total flux cleaned = -0.00679471 Jy ! Component: 400 - total flux cleaned = -0.00694029 Jy ! Component: 450 - total flux cleaned = -0.00715035 Jy ! Component: 500 - total flux cleaned = -0.00728475 Jy ! Component: 550 - total flux cleaned = -0.00722101 Jy ! Component: 600 - total flux cleaned = -0.00728527 Jy ! Component: 650 - total flux cleaned = -0.00734659 Jy ! Component: 700 - total flux cleaned = -0.007466 Jy ! Component: 750 - total flux cleaned = -0.00752494 Jy ! Component: 800 - total flux cleaned = -0.00769443 Jy ! Component: 850 - total flux cleaned = -0.00769454 Jy ! Component: 900 - total flux cleaned = -0.00769441 Jy ! Component: 950 - total flux cleaned = -0.00758887 Jy ! Component: 1000 - total flux cleaned = -0.00769119 Jy ! Component: 1050 - total flux cleaned = -0.00769021 Jy ! Component: 1100 - total flux cleaned = -0.00768976 Jy ! Component: 1150 - total flux cleaned = -0.00778514 Jy ! Component: 1200 - total flux cleaned = -0.00783134 Jy ! Component: 1250 - total flux cleaned = -0.00787686 Jy ! Component: 1300 - total flux cleaned = -0.00783113 Jy ! Component: 1350 - total flux cleaned = -0.00796435 Jy ! Component: 1400 - total flux cleaned = -0.00787691 Jy ! Component: 1450 - total flux cleaned = -0.00792029 Jy ! Component: 1500 - total flux cleaned = -0.0079628 Jy ! Component: 1550 - total flux cleaned = -0.00796267 Jy ! Component: 1600 - total flux cleaned = -0.00808577 Jy ! Component: 1650 - total flux cleaned = -0.00808598 Jy ! Component: 1700 - total flux cleaned = -0.00816618 Jy ! Component: 1750 - total flux cleaned = -0.00832269 Jy ! Component: 1800 - total flux cleaned = -0.00816717 Jy ! Component: 1850 - total flux cleaned = -0.00820587 Jy ! Component: 1900 - total flux cleaned = -0.0083192 Jy ! Component: 1950 - total flux cleaned = -0.0082821 Jy ! Component: 2000 - total flux cleaned = -0.00839263 Jy ! Total flux subtracted in 2048 components = -0.00832018 Jy ! Clean residual min=-0.002044 max=0.002012 Jy/beam ! Clean residual mean=-0.000025 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 1.52223 Jy keep ! Adding 152 model components to the UV plane model. ! The established model now contains 221 components and 1.52223 Jy ![Exited script file: muppet] wmap "J1127-1857_X_2003_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.283 x 2.944 at 2.738 degrees (North through East) ! Clean map min=-0.0045691 max=1.4386 Jy/beam ! Writing clean map to FITS file: J1127-1857_X_2003_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.43862 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000743263 device "J1127-1857_X_2003_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1127-1857_X_2003_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.154995 0.154995 0.30999 0.61998 1.23996 2.47992 4.95984 9.91967 19.8393 39.6787 79.3574 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.438 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.283 x 2.944 at 2.738 degrees (North through East) ! Clean map min=-0.0045691 max=1.4386 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1127-1857_X_2003_07_09_pus_uvs.log closed on Sun Apr 7 13:36:20 2013