! Started logfile: J0457-2324_S_2001_04_09_pus_uvs.log on Fri Oct 5 15:54:10 2007 obs J0457-2324_S_2001_04_09_pus_uva.fits ! Reading UV FITS file: J0457-2324_S_2001_04_09_pus_uva.fits ! AN table 1: 133 integrations on 190 of 190 possible baselines. ! AN table 2: 101 integrations on 190 of 190 possible baselines. ! AN table 3: 89 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0460974 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 11316 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 J0457-2324_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 2304 telescope corrections were flagged in sub-array 1. ! A total of 1680 telescope corrections were flagged in sub-array 2. ! A total of 1514 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2304 telescope corrections were flagged in sub-array 1. ! A total of 1680 telescope corrections were flagged in sub-array 2. ! A total of 1514 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2304 telescope corrections were flagged in sub-array 1. ! A total of 1680 telescope corrections were flagged in sub-array 2. ! A total of 1514 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2304 telescope corrections were flagged in sub-array 1. ! A total of 1680 telescope corrections were flagged in sub-array 2. ! A total of 1514 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.318068Jy sigma=0.009275 ! Fit after self-cal, rms=0.344014Jy sigma=0.002166 ! 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=2.27 mas, bmaj=5.479 mas, bpa=0.02538 degrees ! Estimated noise=1457.36 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 = 0.866372 Jy ! Component: 100 - total flux cleaned = 1.06292 Jy ! Total flux subtracted in 100 components = 1.06292 Jy ! Clean residual min=-0.030601 max=0.067539 Jy/beam ! Clean residual mean=0.000492 rms=0.009199 Jy/beam ! Combined flux in latest and established models = 1.06292 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 1.06292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324427Jy sigma=0.001956 ! Fit after self-cal, rms=0.324404Jy sigma=0.001956 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0736339 Jy ! Component: 100 - total flux cleaned = 0.115762 Jy ! Total flux subtracted in 100 components = 0.115762 Jy ! Clean residual min=-0.024164 max=0.034777 Jy/beam ! Clean residual mean=0.000059 rms=0.006637 Jy/beam ! Combined flux in latest and established models = 1.17868 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 1.17868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307488Jy sigma=0.001728 ! Fit after self-cal, rms=0.307436Jy sigma=0.001728 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.807 mas, bmaj=7.507 mas, bpa=-2.287 degrees ! Estimated noise=991.451 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 = 0.0305817 Jy ! Component: 100 - total flux cleaned = 0.0443335 Jy ! Component: 150 - total flux cleaned = 0.0462354 Jy ! Component: 200 - total flux cleaned = 0.0474713 Jy ! Total flux subtracted in 200 components = 0.0474713 Jy ! Clean residual min=-0.023397 max=0.035556 Jy/beam ! Clean residual mean=-0.000043 rms=0.007917 Jy/beam ! Combined flux in latest and established models = 1.22615 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 34 components and 1.22615 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.306621Jy sigma=0.001687 ! Fit after self-cal, rms=0.306602Jy sigma=0.001687 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 162 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.95 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.80 MC 0.88 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.08 TS 1.00* WF 1.13 WZ 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.21 KK 0.94 KP 0.84 ! LA 0.95 MA 1.00* MC 1.00* MK 0.96 ! NL 0.98 NY 1.00* OV 1.04 PT 0.92 ! SC 1.01 TS 1.00* WF 0.92 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00 KK 1.00* KP 1.03 ! LA 0.96 MA 1.00* MC 1.00* MK 1.00* ! NL 0.99 NY 1.00* OV 1.03 PT 0.96 ! SC 0.96 TS 1.00* WF 1.01 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 162 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.90 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 2.00 MC 0.96 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.07 TS 1.00* WF 1.16 WZ 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.95 GC 1.00* GG 1.00* ! HH 1.00* HN 1.23 KK 0.96 KP 0.95 ! LA 0.97 MA 1.00* MC 1.00* MK 0.98 ! NL 0.98 NY 1.00* OV 1.01 PT 0.96 ! SC 1.01 TS 1.00* WF 1.07 WZ 1.00* ! ! A total of 75 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 0.98 KK 1.00* KP 1.04 ! LA 1.02 MA 1.00* MC 1.00* MK 1.00* ! NL 1.01 NY 1.00* OV 1.03 PT 1.01 ! SC 0.95 TS 1.00* WF 1.04 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 162 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.98 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 1.02 MC 0.98 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00 TS 1.00* WF 1.11 WZ 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.26 KK 0.99 KP 0.97 ! LA 0.93 MA 1.00* MC 1.00* MK 0.97 ! NL 0.99 NY 1.00* OV 1.01 PT 0.97 ! SC 1.00 TS 1.00* WF 1.11 WZ 1.00* ! ! A total of 75 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* ! HH 1.00* HN 1.01 KK 1.00* KP 1.04 ! LA 0.96 MA 1.00* MC 1.00* MK 1.00* ! NL 0.99 NY 1.00* OV 1.04 PT 1.02 ! SC 0.94 TS 1.00* WF 1.02 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 162 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.24 HN 1.00* KK 1.00* KP 1.00* ! LA 1.00* MA 0.93 MC 0.79 MK 1.00* ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.28 TS 1.00* WF 0.84 WZ 1.36 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 1.23 KK 0.96 KP 0.94 ! LA 0.97 MA 1.00* MC 1.00* MK 0.94 ! NL 0.99 NY 1.00* OV 1.00 PT 1.03 ! SC 1.04 TS 1.00* WF 1.09 WZ 1.00* ! ! A total of 75 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 1.02 KK 1.00* KP 1.02 ! LA 0.99 MA 1.00* MC 1.00* MK 1.00* ! NL 1.00 NY 1.00* OV 1.03 PT 1.04 ! SC 0.96 TS 1.00* WF 1.00 WZ 1.00* ! ! ! Fit before self-cal, rms=0.306602Jy sigma=0.001687 ! Fit after self-cal, rms=0.266076Jy sigma=0.001399 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.777 mas, bmaj=7.588 mas, bpa=-3.174 degrees ! Estimated noise=1015.43 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 (-3, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115015 Jy ! Component: 100 - total flux cleaned = 0.0146654 Jy ! Component: 150 - total flux cleaned = 0.0155582 Jy ! Component: 200 - total flux cleaned = 0.0160102 Jy ! Total flux subtracted in 200 components = 0.0160102 Jy ! Clean residual min=-0.006566 max=0.007180 Jy/beam ! Clean residual mean=0.000188 rms=0.001799 Jy/beam ! Combined flux in latest and established models = 1.24216 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 55 components and 1.24216 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265508Jy sigma=0.001394 ! Fit after self-cal, rms=0.269408Jy sigma=0.001389 ! 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=0.269408Jy sigma=0.001389 ! Fit after self-cal, rms=0.275518Jy sigma=0.001386 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.774 mas, bmaj=7.603 mas, bpa=-3.158 degrees ! Estimated noise=1017.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00671873 Jy ! Component: 100 - total flux cleaned = 0.0081128 Jy ! Component: 150 - total flux cleaned = 0.00858563 Jy ! Component: 200 - total flux cleaned = 0.00888727 Jy ! Total flux subtracted in 200 components = 0.00888726 Jy ! Clean residual min=-0.005575 max=0.006346 Jy/beam ! Clean residual mean=0.000119 rms=0.001554 Jy/beam ! Combined flux in latest and established models = 1.25105 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 1.25105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275281Jy sigma=0.001384 ! Fit after self-cal, rms=0.277101Jy sigma=0.001384 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 = 0.00123546 Jy ! Component: 100 - total flux cleaned = 0.00124162 Jy ! Component: 150 - total flux cleaned = 0.00148025 Jy ! Component: 200 - total flux cleaned = 0.00154599 Jy ! Total flux subtracted in 200 components = 0.00154599 Jy ! Clean residual min=-0.005578 max=0.006552 Jy/beam ! Clean residual mean=0.000100 rms=0.001530 Jy/beam ! Combined flux in latest and established models = 1.2526 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 71 components and 1.2526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277034Jy sigma=0.001383 ! Fit after self-cal, rms=0.277037Jy sigma=0.001383 ! 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=0.277037Jy sigma=0.001383 ! Fit after self-cal, rms=0.281655Jy sigma=0.001382 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.773 mas, bmaj=7.615 mas, bpa=-3.16 degrees ! Estimated noise=1018.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373206 Jy ! Component: 100 - total flux cleaned = 0.00399811 Jy ! Component: 150 - total flux cleaned = 0.004221 Jy ! Component: 200 - total flux cleaned = 0.00428938 Jy ! Total flux subtracted in 200 components = 0.00428938 Jy ! Clean residual min=-0.005269 max=0.005925 Jy/beam ! Clean residual mean=0.000069 rms=0.001438 Jy/beam ! Combined flux in latest and established models = 1.25689 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 81 components and 1.25689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281553Jy sigma=0.001382 ! Fit after self-cal, rms=0.282333Jy sigma=0.001382 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 = 0.000644778 Jy ! Component: 100 - total flux cleaned = 0.000703337 Jy ! Component: 150 - total flux cleaned = 0.000592831 Jy ! Component: 200 - total flux cleaned = 0.000540273 Jy ! Total flux subtracted in 200 components = 0.000540273 Jy ! Clean residual min=-0.005228 max=0.005976 Jy/beam ! Clean residual mean=0.000063 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 1.25743 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 87 components and 1.25743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282293Jy sigma=0.001382 ! Fit after self-cal, rms=0.282292Jy sigma=0.001382 ! 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=0.282292Jy sigma=0.001382 ! Fit after self-cal, rms=0.284835Jy sigma=0.001381 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.802 mas, bmaj=16.89 mas, bpa=5.366 degrees ! Estimated noise=1324.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0025529 Jy ! Component: 100 - total flux cleaned = 0.0031259 Jy ! Component: 150 - total flux cleaned = 0.00320821 Jy ! Component: 200 - total flux cleaned = 0.00324408 Jy ! Total flux subtracted in 200 components = 0.00324407 Jy ! Clean residual min=-0.004976 max=0.005481 Jy/beam ! Clean residual mean=0.000034 rms=0.001684 Jy/beam ! Combined flux in latest and established models = 1.26067 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 98 components and 1.26067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284823Jy sigma=0.001381 ! Fit after self-cal, rms=0.285170Jy sigma=0.001381 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 = 0.000279337 Jy ! Component: 100 - total flux cleaned = 0.000244406 Jy ! Component: 150 - total flux cleaned = 0.000278785 Jy ! Component: 200 - total flux cleaned = 0.000311996 Jy ! Total flux subtracted in 200 components = 0.000311996 Jy ! Clean residual min=-0.005021 max=0.005390 Jy/beam ! Clean residual mean=0.000026 rms=0.001675 Jy/beam ! Combined flux in latest and established models = 1.26098 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 101 components and 1.26098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285164Jy sigma=0.001381 ! Fit after self-cal, rms=0.285167Jy sigma=0.001381 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=2.773 mas, bmaj=7.625 mas, bpa=-3.166 degrees ! Estimated noise=1019.31 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.773 x 7.625 at -3.166 degrees (North through East) ! Clean map min=-0.0047879 max=1.1333 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=0.285167Jy sigma=0.001381 ! Fit after self-cal, rms=1.145117Jy sigma=0.001181 ! Inverting map and beam ! Estimated beam: bmin=2.774 mas, bmaj=7.626 mas, bpa=-3.15 degrees ! Estimated noise=1019.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00192128 Jy ! Component: 100 - total flux cleaned = -0.00238512 Jy ! Component: 150 - total flux cleaned = -0.00262613 Jy ! Component: 200 - total flux cleaned = -0.00277022 Jy ! Total flux subtracted in 200 components = -0.00277022 Jy ! Clean residual min=-0.005242 max=0.005002 Jy/beam ! Clean residual mean=-0.000029 rms=0.001257 Jy/beam ! Combined flux in latest and established models = 1.25821 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 111 components and 1.25821 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.145007Jy sigma=0.001181 ! Fit after self-cal, rms=1.145058Jy sigma=0.001181 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000211435 Jy ! Component: 100 - total flux cleaned = -0.000338181 Jy ! Component: 150 - total flux cleaned = -0.000395499 Jy ! Component: 200 - total flux cleaned = -0.000395826 Jy ! Total flux subtracted in 200 components = -0.000395826 Jy ! Clean residual min=-0.005261 max=0.004922 Jy/beam ! Clean residual mean=-0.000025 rms=0.001249 Jy/beam ! Combined flux in latest and established models = 1.25782 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 116 components and 1.25782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.144990Jy sigma=0.001181 ! Fit after self-cal, rms=1.145003Jy sigma=0.001181 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.145003Jy sigma=0.001181 ! Fit after self-cal, rms=2.036051Jy sigma=0.001180 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=2.345 mas, bmaj=5.661 mas, bpa=-2.372 degrees ! Estimated noise=1495.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.87206 Jy ! Component: 100 - total flux cleaned = 1.0674 Jy ! Component: 150 - total flux cleaned = 1.13765 Jy ! Component: 200 - total flux cleaned = 1.17662 Jy ! Total flux subtracted in 200 components = 1.17662 Jy ! Clean residual min=-0.010787 max=0.019575 Jy/beam ! Clean residual mean=0.000259 rms=0.003189 Jy/beam ! Combined flux in latest and established models = 1.17662 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 23 model components to the UV plane model. ! The established model now contains 23 components and 1.17662 Jy ! Inverting map and beam ! Estimated beam: bmin=2.775 mas, bmaj=7.629 mas, bpa=-3.127 degrees ! Estimated noise=1019.99 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 = 0.0339473 Jy ! Component: 100 - total flux cleaned = 0.0514119 Jy ! Component: 150 - total flux cleaned = 0.0616397 Jy ! Component: 200 - total flux cleaned = 0.0679958 Jy ! Total flux subtracted in 200 components = 0.0679958 Jy ! Clean residual min=-0.005580 max=0.005129 Jy/beam ! Clean residual mean=0.000151 rms=0.001366 Jy/beam ! Combined flux in latest and established models = 1.24462 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 71 components and 1.24462 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=7.807 mas, bmaj=16.94 mas, bpa=5.333 degrees ! Estimated noise=1323.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00635343 Jy ! Component: 100 - total flux cleaned = 0.00901644 Jy ! Component: 150 - total flux cleaned = 0.0101319 Jy ! Component: 200 - total flux cleaned = 0.0102596 Jy ! Total flux subtracted in 200 components = 0.0102596 Jy ! Clean residual min=-0.004682 max=0.004242 Jy/beam ! Clean residual mean=0.000039 rms=0.001441 Jy/beam ! Combined flux in latest and established models = 1.25488 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 = 0.000105622 Jy ! Component: 100 - total flux cleaned = 0.000171398 Jy ! Component: 150 - total flux cleaned = 0.000227964 Jy ! Component: 200 - total flux cleaned = 0.000228429 Jy ! Total flux subtracted in 200 components = 0.000228429 Jy ! Clean residual min=-0.004685 max=0.004277 Jy/beam ! Clean residual mean=0.000031 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 1.25511 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 123 components and 1.25511 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.775 mas, bmaj=7.629 mas, bpa=-3.127 degrees ! Estimated noise=1019.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0002925 Jy ! Component: 100 - total flux cleaned = -9.70284e-06 Jy ! Component: 150 - total flux cleaned = -0.000128405 Jy ! Component: 200 - total flux cleaned = -0.000130317 Jy ! Total flux subtracted in 200 components = -0.000130317 Jy ! Clean residual min=-0.005226 max=0.004583 Jy/beam ! Clean residual mean=0.000016 rms=0.001228 Jy/beam ! Combined flux in latest and established models = 1.25498 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 135 components and 1.25498 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.035712Jy sigma=0.001180 ! Fit after self-cal, rms=2.035849Jy sigma=0.001180 wmodel J0457-2324_S_2001_04_09_pus_map.mod ! Writing 135 model components to file: J0457-2324_S_2001_04_09_pus_map.mod wobs J0457-2324_S_2001_04_09_pus_uvs.fits ! Writing UV FITS file: J0457-2324_S_2001_04_09_pus_uvs.fits wwins J0457-2324_S_2001_04_09_pus_map.win ! wwins: Wrote 2 windows to J0457-2324_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 = -5.32646e-05 Jy ! Component: 100 - total flux cleaned = 0.000836183 Jy ! Component: 150 - total flux cleaned = 0.00159609 Jy ! Component: 200 - total flux cleaned = 0.00224758 Jy ! Component: 250 - total flux cleaned = 0.00266595 Jy ! Component: 300 - total flux cleaned = 0.00293638 Jy ! Component: 350 - total flux cleaned = 0.00333294 Jy ! Component: 400 - total flux cleaned = 0.00352719 Jy ! Component: 450 - total flux cleaned = 0.00378215 Jy ! Component: 500 - total flux cleaned = 0.00396821 Jy ! Component: 550 - total flux cleaned = 0.00402945 Jy ! Component: 600 - total flux cleaned = 0.00408981 Jy ! Component: 650 - total flux cleaned = 0.00420797 Jy ! Component: 700 - total flux cleaned = 0.00432415 Jy ! Component: 750 - total flux cleaned = 0.00443917 Jy ! Component: 800 - total flux cleaned = 0.00455241 Jy ! Component: 850 - total flux cleaned = 0.00449746 Jy ! Component: 900 - total flux cleaned = 0.00466342 Jy ! Component: 950 - total flux cleaned = 0.00477213 Jy ! Component: 1000 - total flux cleaned = 0.00482532 Jy ! Component: 1050 - total flux cleaned = 0.0048783 Jy ! Component: 1100 - total flux cleaned = 0.00503593 Jy ! Component: 1150 - total flux cleaned = 0.00519136 Jy ! Component: 1200 - total flux cleaned = 0.00524245 Jy ! Component: 1250 - total flux cleaned = 0.00529334 Jy ! Component: 1300 - total flux cleaned = 0.00529359 Jy ! Component: 1350 - total flux cleaned = 0.00549293 Jy ! Component: 1400 - total flux cleaned = 0.00559149 Jy ! Component: 1450 - total flux cleaned = 0.00564039 Jy ! Component: 1500 - total flux cleaned = 0.00578515 Jy ! Component: 1550 - total flux cleaned = 0.00592861 Jy ! Component: 1600 - total flux cleaned = 0.00588134 Jy ! Component: 1650 - total flux cleaned = 0.0060226 Jy ! Component: 1700 - total flux cleaned = 0.00606936 Jy ! Component: 1750 - total flux cleaned = 0.00611577 Jy ! Component: 1800 - total flux cleaned = 0.00607037 Jy ! Component: 1850 - total flux cleaned = 0.00616151 Jy ! Component: 1900 - total flux cleaned = 0.00620635 Jy ! Component: 1950 - total flux cleaned = 0.00616151 Jy ! Component: 2000 - total flux cleaned = 0.00633853 Jy ! Total flux subtracted in 2048 components = 0.00624988 Jy ! Clean residual min=-0.002834 max=0.003067 Jy/beam ! Clean residual mean=-0.000033 rms=0.000835 Jy/beam ! Combined flux in latest and established models = 1.26123 Jy keep ! Adding 121 model components to the UV plane model. ! The established model now contains 256 components and 1.26123 Jy ![Exited script file: muppet] wmap "J0457-2324_S_2001_04_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.775 x 7.629 at -3.127 degrees (North through East) ! Clean map min=-0.0046719 max=1.1343 Jy/beam ! Writing clean map to FITS file: J0457-2324_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 1.13428 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000827131 device "J0457-2324_S_2001_04_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_S_2001_04_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.218764 0.218764 0.437527 0.875054 1.75011 3.50022 7.00043 14.0009 28.0017 56.0035 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.134 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.775 x 7.629 at -3.127 degrees (North through East) ! Clean map min=-0.0046719 max=1.1343 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_S_2001_04_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_S_2001_04_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_S_2001_04_09_pus_uvs.log closed on Fri Oct 5 15:54:21 2007