! Started logfile: J0340-2119_S_2009_04_21_pus_uvs.log on Mon Jan 24 21:37:58 2011 obs J0340-2119_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J0340-2119_S_2009_04_21_pus_uva.fits ! AN table 1: 103 integrations on 120 of 120 possible baselines. ! AN table 2: 41 integrations on 120 of 120 possible baselines. ! AN table 3: 30 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0648467 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0340-2119 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2004 lines of history. ! ! Reading 5416 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 J0340-2119_S_2009_04_21_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 1284 telescope corrections were flagged in sub-array 1. ! A total of 550 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1284 telescope corrections were flagged in sub-array 1. ! A total of 550 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1284 telescope corrections were flagged in sub-array 1. ! A total of 550 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1284 telescope corrections were flagged in sub-array 1. ! A total of 550 telescope corrections were flagged in sub-array 2. ! A total of 480 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.795088Jy sigma=0.005880 ! Fit after self-cal, rms=0.504342Jy sigma=0.003707 ! 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=2.233 mas, bmaj=6.226 mas, bpa=-0.8352 degrees ! Estimated noise=1902.6 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 = 0.410827 Jy ! Component: 100 - total flux cleaned = 0.541944 Jy ! Total flux subtracted in 100 components = 0.541944 Jy ! Clean residual min=-0.025312 max=0.062863 Jy/beam ! Clean residual mean=0.001969 rms=0.009508 Jy/beam ! Combined flux in latest and established models = 0.541944 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.541944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221665Jy sigma=0.001701 ! Fit after self-cal, rms=0.221439Jy sigma=0.001700 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0731418 Jy ! Component: 100 - total flux cleaned = 0.11545 Jy ! Total flux subtracted in 100 components = 0.11545 Jy ! Clean residual min=-0.015903 max=0.025341 Jy/beam ! Clean residual mean=0.001237 rms=0.004841 Jy/beam ! Combined flux in latest and established models = 0.657395 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.657395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184845Jy sigma=0.001359 ! Fit after self-cal, rms=0.184544Jy sigma=0.001357 ! 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=2.441 mas, bmaj=6.686 mas, bpa=-1.782 degrees ! Estimated noise=1287.07 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 (-3.5, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0478106 Jy ! Component: 100 - total flux cleaned = 0.0746451 Jy ! Component: 150 - total flux cleaned = 0.0911527 Jy ! Component: 200 - total flux cleaned = 0.102029 Jy ! Total flux subtracted in 200 components = 0.102029 Jy ! Clean residual min=-0.003696 max=0.017575 Jy/beam ! Clean residual mean=0.004962 rms=0.002545 Jy/beam ! Combined flux in latest and established models = 0.759423 Jy ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 69 components and 0.759423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172766Jy sigma=0.001237 ! Fit after self-cal, rms=0.172506Jy sigma=0.001235 ! Inverting map ! Added new window around map position (-23, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0174954 Jy ! Component: 100 - total flux cleaned = 0.0278129 Jy ! Component: 150 - total flux cleaned = 0.0351558 Jy ! Component: 200 - total flux cleaned = 0.0406333 Jy ! Total flux subtracted in 200 components = 0.0406333 Jy ! Clean residual min=-0.003390 max=0.009404 Jy/beam ! Clean residual mean=0.002826 rms=0.001841 Jy/beam ! Combined flux in latest and established models = 0.800057 Jy ! Performing phase self-cal ! Adding 75 model components to the UV plane model. ! The established model now contains 143 components and 0.800057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170894Jy sigma=0.001216 ! Fit after self-cal, rms=0.170766Jy sigma=0.001215 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 1.03 KB 0.91 ! KK 1.07 KP 1.06 LA 1.03 MK 0.96 ! NL 0.98 NY 1.00* OV 0.97 PT 1.04 ! SC 1.02 TS 0.90 WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 0.89 ! KK 1.03 KP 1.00* LA 1.00* MK 0.96 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.92 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.98 KB 1.03 ! KK 0.98 KP 1.00 LA 0.99 MK 1.00 ! NL 0.97 NY 1.00* OV 1.04 PT 1.00 ! SC 1.00 TS 0.85 WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 0.95 ! KK 0.99 KP 1.00* LA 1.00* MK 0.99 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.98 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 1.03 KB 1.09 ! KK 1.03 KP 1.01 LA 1.00 MK 1.01 ! NL 0.99 NY 1.00* OV 1.02 PT 1.07 ! SC 0.98 TS 0.95 WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 1.06 ! KK 1.01 KP 1.00* LA 1.00* MK 1.02 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.96 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 1.03 KB 1.11 ! KK 1.00 KP 1.01 LA 1.02 MK 1.01 ! NL 0.99 NY 1.00* OV 0.90 PT 0.94 ! SC 1.00 TS 0.89 WZ 1.00* ZC 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HN 1.00* KB 1.03 ! KK 1.14 KP 1.00* LA 1.00* MK 0.95 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 0.97 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KB 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.170766Jy sigma=0.001215 ! Fit after self-cal, rms=0.169998Jy sigma=0.001178 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.51 mas, bmaj=6.609 mas, bpa=-3.646 degrees ! Estimated noise=1363.28 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 = 0.00154987 Jy ! Component: 100 - total flux cleaned = 0.00155534 Jy ! Component: 150 - total flux cleaned = 0.00137911 Jy ! Component: 200 - total flux cleaned = 0.00122246 Jy ! Total flux subtracted in 200 components = 0.00122246 Jy ! Clean residual min=-0.005723 max=0.006398 Jy/beam ! Clean residual mean=-0.000009 rms=0.001692 Jy/beam ! Combined flux in latest and established models = 0.801279 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 163 components and 0.801279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169864Jy sigma=0.001177 ! Fit after self-cal, rms=0.169921Jy sigma=0.001176 ! 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=0.169921Jy sigma=0.001176 ! Fit after self-cal, rms=0.169646Jy sigma=0.001176 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.508 mas, bmaj=6.606 mas, bpa=-3.598 degrees ! Estimated noise=1362.53 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000610337 Jy ! Component: 100 - total flux cleaned = 0.000384173 Jy ! Component: 150 - total flux cleaned = 0.000249364 Jy ! Component: 200 - total flux cleaned = 0.000126708 Jy ! Total flux subtracted in 200 components = 0.000126708 Jy ! Clean residual min=-0.005819 max=0.006284 Jy/beam ! Clean residual mean=-0.000071 rms=0.001659 Jy/beam ! Combined flux in latest and established models = 0.801406 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 175 components and 0.801406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169581Jy sigma=0.001175 ! Fit after self-cal, rms=0.169583Jy sigma=0.001175 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 = 3.83767e-05 Jy ! Component: 100 - total flux cleaned = -7.74661e-05 Jy ! Component: 150 - total flux cleaned = -0.000133133 Jy ! Component: 200 - total flux cleaned = -0.000286651 Jy ! Total flux subtracted in 200 components = -0.000286651 Jy ! Clean residual min=-0.005828 max=0.006287 Jy/beam ! Clean residual mean=-0.000063 rms=0.001643 Jy/beam ! Combined flux in latest and established models = 0.801119 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 189 components and 0.801119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169546Jy sigma=0.001175 ! Fit after self-cal, rms=0.169549Jy sigma=0.001175 ! 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=0.169549Jy sigma=0.001175 ! Fit after self-cal, rms=0.169478Jy sigma=0.001175 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.508 mas, bmaj=6.603 mas, bpa=-3.556 degrees ! Estimated noise=1361.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.51543e-05 Jy ! Component: 100 - total flux cleaned = -0.000123506 Jy ! Component: 150 - total flux cleaned = -0.000171685 Jy ! Component: 200 - total flux cleaned = -0.000170412 Jy ! Total flux subtracted in 200 components = -0.000170412 Jy ! Clean residual min=-0.005831 max=0.006274 Jy/beam ! Clean residual mean=-0.000106 rms=0.001627 Jy/beam ! Combined flux in latest and established models = 0.800949 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 196 components and 0.800949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169444Jy sigma=0.001175 ! Fit after self-cal, rms=0.169445Jy sigma=0.001175 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.01747e-05 Jy ! Component: 100 - total flux cleaned = -3.98883e-05 Jy ! Component: 150 - total flux cleaned = -8.44216e-05 Jy ! Component: 200 - total flux cleaned = -0.000128608 Jy ! Total flux subtracted in 200 components = -0.000128608 Jy ! Clean residual min=-0.005805 max=0.006275 Jy/beam ! Clean residual mean=-0.000103 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 0.80082 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 205 components and 0.80082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169421Jy sigma=0.001174 ! Fit after self-cal, rms=0.169424Jy sigma=0.001174 ! 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=0.169424Jy sigma=0.001174 ! Fit after self-cal, rms=0.169376Jy sigma=0.001174 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.275 mas, bmaj=17.15 mas, bpa=0.9472 degrees ! Estimated noise=1890.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000305504 Jy ! Component: 100 - total flux cleaned = -0.000172344 Jy ! Component: 150 - total flux cleaned = -0.000116173 Jy ! Component: 200 - total flux cleaned = -0.000116308 Jy ! Total flux subtracted in 200 components = -0.000116308 Jy ! Clean residual min=-0.008475 max=0.007839 Jy/beam ! Clean residual mean=-0.000302 rms=0.002535 Jy/beam ! Combined flux in latest and established models = 0.800704 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 215 components and 0.800704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169380Jy sigma=0.001174 ! Fit after self-cal, rms=0.169371Jy sigma=0.001174 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 = -3.18925e-05 Jy ! Component: 100 - total flux cleaned = -2.9475e-05 Jy ! Component: 150 - total flux cleaned = 1.34185e-05 Jy ! Component: 200 - total flux cleaned = 1.09394e-05 Jy ! Total flux subtracted in 200 components = 1.09394e-05 Jy ! Clean residual min=-0.008373 max=0.007794 Jy/beam ! Clean residual mean=-0.000304 rms=0.002519 Jy/beam ! Combined flux in latest and established models = 0.800715 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 220 components and 0.800715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169378Jy sigma=0.001174 ! Fit after self-cal, rms=0.169374Jy sigma=0.001174 ! 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=2.508 mas, bmaj=6.603 mas, bpa=-3.532 degrees ! Estimated noise=1361.4 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.508 x 6.603 at -3.532 degrees (North through East) ! Clean map min=-0.0055311 max=0.55475 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=0.169374Jy sigma=0.001174 ! Fit after self-cal, rms=0.158537Jy sigma=0.001071 ! Inverting map and beam ! Estimated beam: bmin=2.504 mas, bmaj=6.595 mas, bpa=-3.571 degrees ! Estimated noise=1357.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000239743 Jy ! Component: 100 - total flux cleaned = 0.000345177 Jy ! Component: 150 - total flux cleaned = 0.000391294 Jy ! Component: 200 - total flux cleaned = 0.000347617 Jy ! Total flux subtracted in 200 components = 0.000347617 Jy ! Clean residual min=-0.005616 max=0.005808 Jy/beam ! Clean residual mean=-0.000054 rms=0.001543 Jy/beam ! Combined flux in latest and established models = 0.801062 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 240 components and 0.801063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158504Jy sigma=0.001070 ! Fit after self-cal, rms=0.158510Jy sigma=0.001070 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.0161e-05 Jy ! Component: 100 - total flux cleaned = -6.1278e-05 Jy ! Component: 150 - total flux cleaned = -0.000100365 Jy ! Component: 200 - total flux cleaned = -0.00017693 Jy ! Total flux subtracted in 200 components = -0.00017693 Jy ! Clean residual min=-0.005563 max=0.005745 Jy/beam ! Clean residual mean=-0.000049 rms=0.001537 Jy/beam ! Combined flux in latest and established models = 0.800886 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 249 components and 0.800886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158486Jy sigma=0.001070 ! Fit after self-cal, rms=0.158488Jy sigma=0.001070 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158488Jy sigma=0.001070 ! Fit after self-cal, rms=0.158471Jy sigma=0.001070 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=2.282 mas, bmaj=6.103 mas, bpa=-2.23 degrees ! Estimated noise=1977.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.413196 Jy ! Component: 100 - total flux cleaned = 0.551283 Jy ! Component: 150 - total flux cleaned = 0.626482 Jy ! Component: 200 - total flux cleaned = 0.670323 Jy ! Total flux subtracted in 200 components = 0.670323 Jy ! Clean residual min=-0.013427 max=0.023127 Jy/beam ! Clean residual mean=0.000929 rms=0.004527 Jy/beam ! Combined flux in latest and established models = 0.670323 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 0.670323 Jy ! Inverting map and beam ! Estimated beam: bmin=2.504 mas, bmaj=6.594 mas, bpa=-3.555 degrees ! Estimated noise=1357.31 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 = 0.0404629 Jy ! Component: 100 - total flux cleaned = 0.0630128 Jy ! Component: 150 - total flux cleaned = 0.0788542 Jy ! Component: 200 - total flux cleaned = 0.0906724 Jy ! Total flux subtracted in 200 components = 0.0906724 Jy ! Clean residual min=-0.006641 max=0.008540 Jy/beam ! Clean residual mean=0.001098 rms=0.002329 Jy/beam ! Combined flux in latest and established models = 0.760995 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 71 components and 0.760996 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=8.268 mas, bmaj=17.15 mas, bpa=0.9281 degrees ! Estimated noise=1889.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171053 Jy ! Component: 100 - total flux cleaned = 0.0267703 Jy ! Component: 150 - total flux cleaned = 0.0326772 Jy ! Component: 200 - total flux cleaned = 0.0363675 Jy ! Total flux subtracted in 200 components = 0.0363675 Jy ! Clean residual min=-0.007627 max=0.007634 Jy/beam ! Clean residual mean=0.000129 rms=0.002411 Jy/beam ! Combined flux in latest and established models = 0.797363 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 = 0.0021767 Jy ! Component: 100 - total flux cleaned = 0.00272475 Jy ! Component: 150 - total flux cleaned = 0.00311533 Jy ! Component: 200 - total flux cleaned = 0.00347761 Jy ! Total flux subtracted in 200 components = 0.00347761 Jy ! Clean residual min=-0.007396 max=0.007128 Jy/beam ! Clean residual mean=-0.000130 rms=0.002301 Jy/beam ! Combined flux in latest and established models = 0.800841 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 146 components and 0.800841 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.504 mas, bmaj=6.594 mas, bpa=-3.555 degrees ! Estimated noise=1357.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00115856 Jy ! Component: 100 - total flux cleaned = -0.00076906 Jy ! Component: 150 - total flux cleaned = -0.000651996 Jy ! Component: 200 - total flux cleaned = -0.000649758 Jy ! Total flux subtracted in 200 components = -0.000649758 Jy ! Clean residual min=-0.005783 max=0.006085 Jy/beam ! Clean residual mean=-0.000036 rms=0.001604 Jy/beam ! Combined flux in latest and established models = 0.800191 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 164 components and 0.800191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158694Jy sigma=0.001072 ! Fit after self-cal, rms=0.158685Jy sigma=0.001072 wmodel J0340-2119_S_2009_04_21_pus_map.mod ! Writing 164 model components to file: J0340-2119_S_2009_04_21_pus_map.mod wobs J0340-2119_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J0340-2119_S_2009_04_21_pus_uvs.fits wwins J0340-2119_S_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J0340-2119_S_2009_04_21_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 = -7.81423e-05 Jy ! Component: 100 - total flux cleaned = -0.000183483 Jy ! Component: 150 - total flux cleaned = -5.0895e-06 Jy ! Component: 200 - total flux cleaned = -8.89403e-05 Jy ! Component: 250 - total flux cleaned = -9.13408e-05 Jy ! Component: 300 - total flux cleaned = -0.000327659 Jy ! Component: 350 - total flux cleaned = -0.000478337 Jy ! Component: 400 - total flux cleaned = -0.00054998 Jy ! Component: 450 - total flux cleaned = -0.000550397 Jy ! Component: 500 - total flux cleaned = -0.000619178 Jy ! Component: 550 - total flux cleaned = -0.000483663 Jy ! Component: 600 - total flux cleaned = -0.00035252 Jy ! Component: 650 - total flux cleaned = -0.000161332 Jy ! Component: 700 - total flux cleaned = 2.38836e-05 Jy ! Component: 750 - total flux cleaned = 0.000143945 Jy ! Component: 800 - total flux cleaned = 0.000321688 Jy ! Component: 850 - total flux cleaned = 0.000438077 Jy ! Component: 900 - total flux cleaned = 0.000608118 Jy ! Component: 950 - total flux cleaned = 0.000718877 Jy ! Component: 1000 - total flux cleaned = 0.000773815 Jy ! Component: 1050 - total flux cleaned = 0.000827018 Jy ! Component: 1100 - total flux cleaned = 0.000826903 Jy ! Component: 1150 - total flux cleaned = 0.000878771 Jy ! Component: 1200 - total flux cleaned = 0.000879247 Jy ! Component: 1250 - total flux cleaned = 0.00088005 Jy ! Component: 1300 - total flux cleaned = 0.000928694 Jy ! Component: 1350 - total flux cleaned = 0.000880505 Jy ! Component: 1400 - total flux cleaned = 0.000786217 Jy ! Component: 1450 - total flux cleaned = 0.000786144 Jy ! Component: 1500 - total flux cleaned = 0.000740063 Jy ! Component: 1550 - total flux cleaned = 0.00069508 Jy ! Component: 1600 - total flux cleaned = 0.000694617 Jy ! Component: 1650 - total flux cleaned = 0.000606628 Jy ! Component: 1700 - total flux cleaned = 0.000520344 Jy ! Component: 1750 - total flux cleaned = 0.000436012 Jy ! Component: 1800 - total flux cleaned = 0.000520429 Jy ! Component: 1850 - total flux cleaned = 0.000478458 Jy ! Component: 1900 - total flux cleaned = 0.000437624 Jy ! Component: 1950 - total flux cleaned = 0.000437864 Jy ! Component: 2000 - total flux cleaned = 0.000398089 Jy ! Total flux subtracted in 2048 components = 0.000437228 Jy ! Clean residual min=-0.002225 max=0.002122 Jy/beam ! Clean residual mean=-0.000003 rms=0.000805 Jy/beam ! Combined flux in latest and established models = 0.800628 Jy keep ! Adding 160 model components to the UV plane model. ! The established model now contains 324 components and 0.800628 Jy ![Exited script file: muppet] wmap "J0340-2119_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.504 x 6.594 at -3.555 degrees (North through East) ! Clean map min=-0.0044551 max=0.55187 Jy/beam ! Writing clean map to FITS file: J0340-2119_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.551869 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000809185 device "J0340-2119_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J0340-2119_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.439879 0.439879 0.879758 1.75952 3.51903 7.03806 14.0761 28.1522 56.3045 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.551 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.504 x 6.594 at -3.555 degrees (North through East) ! Clean map min=-0.0044551 max=0.55187 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0340-2119_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J0340-2119_S_2009_04_21_pus_map.gif/vgif' mapplot cln