! Started logfile: J1957-3845_S_2001_03_12_pus_uvs.log on Wed Jan 2 18:17:24 2013 obs J1957-3845_S_2001_03_12_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2001_03_12_pus_uva.fits ! AN table 1: 40 integrations on 136 of 136 possible baselines. ! AN table 2: 30 integrations on 136 of 136 possible baselines. ! AN table 3: 29 integrations on 136 of 136 possible baselines. ! AN table 4: 15 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.056308 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 1899 lines of history. ! ! Reading 3492 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_03_12_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 558 telescope corrections were flagged in sub-array 1. ! A total of 489 telescope corrections were flagged in sub-array 2. ! A total of 405 telescope corrections were flagged in sub-array 3. ! A total of 175 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 573 telescope corrections were flagged in sub-array 1. ! A total of 510 telescope corrections were flagged in sub-array 2. ! A total of 395 telescope corrections were flagged in sub-array 3. ! A total of 175 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 573 telescope corrections were flagged in sub-array 1. ! A total of 483 telescope corrections were flagged in sub-array 2. ! A total of 416 telescope corrections were flagged in sub-array 3. ! A total of 161 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 573 telescope corrections were flagged in sub-array 1. ! A total of 510 telescope corrections were flagged in sub-array 2. ! A total of 389 telescope corrections were flagged in sub-array 3. ! A total of 175 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.912685Jy sigma=0.006827 ! Fit after self-cal, rms=0.376848Jy sigma=0.002766 ! 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=2.745 mas, bmaj=8.822 mas, bpa=-3.974 degrees ! Estimated noise=2786.59 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 = 0.587415 Jy ! Component: 100 - total flux cleaned = 0.719171 Jy ! Total flux subtracted in 100 components = 0.719171 Jy ! Clean residual min=-0.039503 max=0.048066 Jy/beam ! Clean residual mean=0.001396 rms=0.012980 Jy/beam ! Combined flux in latest and established models = 0.71917 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.71917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.331700Jy sigma=0.002371 ! Fit after self-cal, rms=0.331571Jy sigma=0.002371 ! 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=3.67 mas, bmaj=14.26 mas, bpa=-4.056 degrees ! Estimated noise=1753.55 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 = 0.0829387 Jy ! Component: 100 - total flux cleaned = 0.121507 Jy ! Component: 150 - total flux cleaned = 0.140817 Jy ! Component: 200 - total flux cleaned = 0.150512 Jy ! Total flux subtracted in 200 components = 0.150512 Jy ! Clean residual min=-0.027641 max=0.028677 Jy/beam ! Clean residual mean=0.001877 rms=0.008095 Jy/beam ! Combined flux in latest and established models = 0.869683 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 34 components and 0.869683 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312913Jy sigma=0.002205 ! Fit after self-cal, rms=0.312753Jy sigma=0.002205 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.08 HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 0.93 MA 1.00* ! MC 1.00* MK 1.00* NL 0.90 ON 1.00* ! OV 1.07 PT 1.00 SC 1.02 TS 1.00* ! WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 39 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.11 HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.04 MA 1.00* ! MC 1.00* MK 1.00* NL 1.38 ON 1.00* ! OV 1.00* PT 1.10 SC 0.94 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.27 HH 1.00* HN 1.00* ! KK 0.92 KP 1.00* LA 1.03 MA 1.00* ! MC 1.00* MK 0.98 NL 1.00* ON 1.00* ! OV 1.11 PT 1.01 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 HH 1.00* HN 1.00* ! KK 1.00* KP 1.01 LA 0.97 MA 1.00* ! MC 1.00* MK 1.00* NL 0.91 ON 1.00* ! OV 0.93 PT 1.03 SC 0.82 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 39 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KK 1.00* KP 1.01 LA 1.06 MA 1.00* ! MC 1.00* MK 1.00* NL 1.49 ON 1.00* ! OV 1.00* PT 1.11 SC 0.78 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.09 HH 1.00* HN 1.00* ! KK 1.00* KP 1.07 LA 1.09 MA 1.00* ! MC 1.00* MK 1.01 NL 1.00* ON 1.00* ! OV 1.01 PT 1.07 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 HH 1.00* HN 1.00* ! KK 1.00* KP 1.03 LA 0.93 MA 1.00* ! MC 1.00* MK 1.00* NL 0.95 ON 1.00* ! OV 1.09 PT 1.00 SC 1.09 TS 1.00* ! WZ 1.00* ! ! 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* 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.25 HH 1.00* HN 1.00* ! KK 1.00* KP 1.06 LA 0.65 MA 1.00* ! MC 1.00* MK 1.00* NL 0.88 ON 1.00* ! OV 1.00* PT 1.06 SC 1.02 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KK 0.89 KP 1.22 LA 0.68 MA 1.00* ! MC 1.00* MK 1.07 NL 1.00* ON 1.00* ! OV 1.00 PT 0.96 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.86 HH 1.00* HN 1.00* ! KK 1.00* KP 1.03 LA 0.83 MA 1.00* ! MC 1.00* MK 1.00* NL 1.00 ON 1.00* ! OV 0.97 PT 1.04 SC 1.16 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 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* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 45 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.82 HH 1.00* HN 1.00* ! KK 1.00* KP 1.14 LA 0.91 MA 1.00* ! MC 1.00* MK 1.00* NL 1.46 ON 1.00* ! OV 1.00* PT 1.17 SC 1.13 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 0.94 HH 1.00* HN 1.00* ! KK 1.00* KP 1.11 LA 0.92 MA 1.00* ! MC 1.00* MK 1.06 NL 1.00* ON 1.00* ! OV 1.05 PT 0.99 SC 1.00* TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.312753Jy sigma=0.002205 ! Fit after self-cal, rms=0.242902Jy sigma=0.001931 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.7 mas, bmaj=17.96 mas, bpa=-5.497 degrees ! Estimated noise=1771.75 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 = 0.00193571 Jy ! Component: 100 - total flux cleaned = 0.00175494 Jy ! Component: 150 - total flux cleaned = 0.00166572 Jy ! Component: 200 - total flux cleaned = 0.00159557 Jy ! Total flux subtracted in 200 components = 0.00159557 Jy ! Clean residual min=-0.012567 max=0.010355 Jy/beam ! Clean residual mean=-0.000338 rms=0.003420 Jy/beam ! Combined flux in latest and established models = 0.871278 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 42 components and 0.871278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242823Jy sigma=0.001930 ! Fit after self-cal, rms=0.243668Jy sigma=0.001927 ! 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=0.243668Jy sigma=0.001927 ! Fit after self-cal, rms=0.243933Jy sigma=0.001927 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.693 mas, bmaj=17.94 mas, bpa=-5.488 degrees ! Estimated noise=1770.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174126 Jy ! Component: 100 - total flux cleaned = 0.00150886 Jy ! Component: 150 - total flux cleaned = 0.0014394 Jy ! Component: 200 - total flux cleaned = 0.00143789 Jy ! Total flux subtracted in 200 components = 0.00143789 Jy ! Clean residual min=-0.012489 max=0.010449 Jy/beam ! Clean residual mean=-0.000338 rms=0.003377 Jy/beam ! Combined flux in latest and established models = 0.872716 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 46 components and 0.872716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243879Jy sigma=0.001926 ! Fit after self-cal, rms=0.243912Jy sigma=0.001926 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 = -9.45496e-05 Jy ! Component: 100 - total flux cleaned = -0.000151181 Jy ! Component: 150 - total flux cleaned = -0.000151686 Jy ! Component: 200 - total flux cleaned = -0.00020091 Jy ! Total flux subtracted in 200 components = -0.00020091 Jy ! Clean residual min=-0.012527 max=0.010401 Jy/beam ! Clean residual mean=-0.000335 rms=0.003372 Jy/beam ! Combined flux in latest and established models = 0.872515 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 49 components and 0.872515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243884Jy sigma=0.001926 ! Fit after self-cal, rms=0.243882Jy sigma=0.001926 ! 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=0.243882Jy sigma=0.001926 ! Fit after self-cal, rms=0.243992Jy sigma=0.001926 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.686 mas, bmaj=17.92 mas, bpa=-5.474 degrees ! Estimated noise=1769.17 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010539 Jy ! Component: 100 - total flux cleaned = 0.000971133 Jy ! Component: 150 - total flux cleaned = 0.000911452 Jy ! Component: 200 - total flux cleaned = 0.000857672 Jy ! Total flux subtracted in 200 components = 0.000857672 Jy ! Clean residual min=-0.012419 max=0.010428 Jy/beam ! Clean residual mean=-0.000316 rms=0.003331 Jy/beam ! Combined flux in latest and established models = 0.873373 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 51 components and 0.873373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243952Jy sigma=0.001925 ! Fit after self-cal, rms=0.243955Jy sigma=0.001925 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 = -0.000104739 Jy ! Component: 100 - total flux cleaned = -0.000160184 Jy ! Component: 150 - total flux cleaned = -0.000159206 Jy ! Component: 200 - total flux cleaned = -0.000201513 Jy ! Total flux subtracted in 200 components = -0.000201513 Jy ! Clean residual min=-0.012445 max=0.010358 Jy/beam ! Clean residual mean=-0.000313 rms=0.003327 Jy/beam ! Combined flux in latest and established models = 0.873172 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 0.873172 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243932Jy sigma=0.001925 ! Fit after self-cal, rms=0.243931Jy sigma=0.001925 ! 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=0.243931Jy sigma=0.001925 ! Fit after self-cal, rms=0.244056Jy sigma=0.001925 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.15 mas, bmaj=30.58 mas, bpa=-5.816 degrees ! Estimated noise=2101.09 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000664969 Jy ! Component: 100 - total flux cleaned = 0.00074621 Jy ! Component: 150 - total flux cleaned = 0.000799962 Jy ! Component: 200 - total flux cleaned = 0.000751587 Jy ! Total flux subtracted in 200 components = 0.000751587 Jy ! Clean residual min=-0.011801 max=0.010124 Jy/beam ! Clean residual mean=-0.000500 rms=0.004117 Jy/beam ! Combined flux in latest and established models = 0.873923 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 63 components and 0.873923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244028Jy sigma=0.001925 ! Fit after self-cal, rms=0.244023Jy sigma=0.001925 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 = 6.32895e-06 Jy ! Component: 100 - total flux cleaned = -6.09727e-05 Jy ! Component: 150 - total flux cleaned = -6.29798e-05 Jy ! Component: 200 - total flux cleaned = -7.00013e-05 Jy ! Total flux subtracted in 200 components = -7.00013e-05 Jy ! Clean residual min=-0.011819 max=0.010104 Jy/beam ! Clean residual mean=-0.000498 rms=0.004115 Jy/beam ! Combined flux in latest and established models = 0.873853 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 63 components and 0.873853 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244015Jy sigma=0.001925 ! Fit after self-cal, rms=0.244013Jy sigma=0.001925 ! 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=3.681 mas, bmaj=17.9 mas, bpa=-5.458 degrees ! Estimated noise=1768.02 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.681 x 17.9 at -5.458 degrees (North through East) ! Clean map min=-0.012118 max=0.78347 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=0.244013Jy sigma=0.001925 ! Fit after self-cal, rms=0.253462Jy sigma=0.001618 ! Inverting map and beam ! Estimated beam: bmin=3.682 mas, bmaj=17.9 mas, bpa=-5.47 degrees ! Estimated noise=1770.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000788803 Jy ! Component: 100 - total flux cleaned = -0.000737901 Jy ! Component: 150 - total flux cleaned = -0.000784245 Jy ! Component: 200 - total flux cleaned = -0.000786241 Jy ! Total flux subtracted in 200 components = -0.000786241 Jy ! Clean residual min=-0.012371 max=0.010675 Jy/beam ! Clean residual mean=-0.000283 rms=0.003162 Jy/beam ! Combined flux in latest and established models = 0.873067 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 67 components and 0.873067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253420Jy sigma=0.001618 ! Fit after self-cal, rms=0.253432Jy sigma=0.001618 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00039161 Jy ! Component: 100 - total flux cleaned = -0.000345105 Jy ! Component: 150 - total flux cleaned = -0.000388317 Jy ! Component: 200 - total flux cleaned = -0.000388535 Jy ! Total flux subtracted in 200 components = -0.000388535 Jy ! Clean residual min=-0.012435 max=0.010627 Jy/beam ! Clean residual mean=-0.000275 rms=0.003159 Jy/beam ! Combined flux in latest and established models = 0.872678 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 71 components and 0.872678 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253399Jy sigma=0.001618 ! Fit after self-cal, rms=0.253407Jy sigma=0.001618 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253407Jy sigma=0.001618 ! Fit after self-cal, rms=0.253759Jy sigma=0.001618 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=2.775 mas, bmaj=15.24 mas, bpa=-7.438 degrees ! Estimated noise=2721.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.604157 Jy ! Component: 100 - total flux cleaned = 0.73745 Jy ! Component: 150 - total flux cleaned = 0.787655 Jy ! Component: 200 - total flux cleaned = 0.81572 Jy ! Total flux subtracted in 200 components = 0.81572 Jy ! Clean residual min=-0.014511 max=0.018758 Jy/beam ! Clean residual mean=0.000170 rms=0.005142 Jy/beam ! Combined flux in latest and established models = 0.81572 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 33 model components to the UV plane model. ! The established model now contains 33 components and 0.81572 Jy ! Inverting map and beam ! Estimated beam: bmin=3.681 mas, bmaj=17.91 mas, bpa=-5.484 degrees ! Estimated noise=1770.24 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 = 0.0282082 Jy ! Component: 100 - total flux cleaned = 0.0411115 Jy ! Component: 150 - total flux cleaned = 0.0474272 Jy ! Component: 200 - total flux cleaned = 0.0505483 Jy ! Total flux subtracted in 200 components = 0.0505483 Jy ! Clean residual min=-0.012577 max=0.010880 Jy/beam ! Clean residual mean=-0.000181 rms=0.003275 Jy/beam ! Combined flux in latest and established models = 0.866268 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 57 components and 0.866268 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=9.168 mas, bmaj=30.61 mas, bpa=-5.769 degrees ! Estimated noise=2101.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00250608 Jy ! Component: 100 - total flux cleaned = 0.0025895 Jy ! Component: 150 - total flux cleaned = 0.00273029 Jy ! Component: 200 - total flux cleaned = 0.00279214 Jy ! Total flux subtracted in 200 components = 0.00279214 Jy ! Clean residual min=-0.011520 max=0.011314 Jy/beam ! Clean residual mean=-0.000386 rms=0.003996 Jy/beam ! Combined flux in latest and established models = 0.86906 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 = 5.86876e-05 Jy ! Component: 100 - total flux cleaned = 0.000165645 Jy ! Component: 150 - total flux cleaned = 0.00021604 Jy ! Component: 200 - total flux cleaned = 0.000311075 Jy ! Total flux subtracted in 200 components = 0.000311075 Jy ! Clean residual min=-0.011502 max=0.011218 Jy/beam ! Clean residual mean=-0.000396 rms=0.003970 Jy/beam ! Combined flux in latest and established models = 0.869371 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 59 components and 0.869371 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.681 mas, bmaj=17.91 mas, bpa=-5.484 degrees ! Estimated noise=1770.24 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000936315 Jy ! Component: 100 - total flux cleaned = -0.000603524 Jy ! Component: 150 - total flux cleaned = -0.000350017 Jy ! Component: 200 - total flux cleaned = -0.000246926 Jy ! Total flux subtracted in 200 components = -0.000246926 Jy ! Clean residual min=-0.012329 max=0.010680 Jy/beam ! Clean residual mean=-0.000237 rms=0.003170 Jy/beam ! Combined flux in latest and established models = 0.869124 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 63 components and 0.869124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253669Jy sigma=0.001618 ! Fit after self-cal, rms=0.253669Jy sigma=0.001618 wmodel J1957-3845_S_2001_03_12_pus_map.mod ! Writing 63 model components to file: J1957-3845_S_2001_03_12_pus_map.mod wobs J1957-3845_S_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2001_03_12_pus_uvs.fits wwins J1957-3845_S_2001_03_12_pus_map.win ! wwins: Wrote 1 windows to J1957-3845_S_2001_03_12_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 = -0.00137725 Jy ! Component: 100 - total flux cleaned = -0.00173951 Jy ! Component: 150 - total flux cleaned = -0.00189274 Jy ! Component: 200 - total flux cleaned = -0.00231955 Jy ! Component: 250 - total flux cleaned = -0.00313138 Jy ! Component: 300 - total flux cleaned = -0.00351318 Jy ! Component: 350 - total flux cleaned = -0.00363352 Jy ! Component: 400 - total flux cleaned = -0.00363598 Jy ! Component: 450 - total flux cleaned = -0.00386008 Jy ! Component: 500 - total flux cleaned = -0.00407178 Jy ! Component: 550 - total flux cleaned = -0.00427635 Jy ! Component: 600 - total flux cleaned = -0.00427821 Jy ! Component: 650 - total flux cleaned = -0.00418302 Jy ! Component: 700 - total flux cleaned = -0.00408921 Jy ! Component: 750 - total flux cleaned = -0.00390618 Jy ! Component: 800 - total flux cleaned = -0.00373059 Jy ! Component: 850 - total flux cleaned = -0.00355924 Jy ! Component: 900 - total flux cleaned = -0.00330924 Jy ! Component: 950 - total flux cleaned = -0.0033087 Jy ! Component: 1000 - total flux cleaned = -0.00314866 Jy ! Component: 1050 - total flux cleaned = -0.00307026 Jy ! Component: 1100 - total flux cleaned = -0.00299418 Jy ! Component: 1150 - total flux cleaned = -0.00314446 Jy ! Component: 1200 - total flux cleaned = -0.00307036 Jy ! Component: 1250 - total flux cleaned = -0.0030717 Jy ! Component: 1300 - total flux cleaned = -0.00307223 Jy ! Component: 1350 - total flux cleaned = -0.00293352 Jy ! Component: 1400 - total flux cleaned = -0.00314176 Jy ! Component: 1450 - total flux cleaned = -0.00321043 Jy ! Component: 1500 - total flux cleaned = -0.00334374 Jy ! Component: 1550 - total flux cleaned = -0.00341093 Jy ! Component: 1600 - total flux cleaned = -0.00360491 Jy ! Component: 1650 - total flux cleaned = -0.00347725 Jy ! Component: 1700 - total flux cleaned = -0.00347743 Jy ! Component: 1750 - total flux cleaned = -0.00335376 Jy ! Component: 1800 - total flux cleaned = -0.00329252 Jy ! Component: 1850 - total flux cleaned = -0.00311158 Jy ! Component: 1900 - total flux cleaned = -0.00305256 Jy ! Component: 1950 - total flux cleaned = -0.00281789 Jy ! Component: 2000 - total flux cleaned = -0.00275976 Jy ! Total flux subtracted in 2048 components = -0.00264557 Jy ! Clean residual min=-0.003028 max=0.003831 Jy/beam ! Clean residual mean=0.000044 rms=0.001273 Jy/beam ! Combined flux in latest and established models = 0.866479 Jy keep ! Adding 157 model components to the UV plane model. ! The established model now contains 220 components and 0.866479 Jy ![Exited script file: muppet] wmap "J1957-3845_S_2001_03_12_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.681 x 17.91 at -5.484 degrees (North through East) ! Clean map min=-0.0098306 max=0.78994 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.789939 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00127628 device "J1957-3845_S_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.484702 0.484702 0.969404 1.93881 3.87761 7.75523 15.5105 31.0209 62.0418 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0038 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.789 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.681 x 17.91 at -5.484 degrees (North through East) ! Clean map min=-0.0098306 max=0.78994 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1957-3845_S_2001_03_12_pus_uvs.log closed on Wed Jan 2 18:17:29 2013