! Started logfile: J1957-3845_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:44:12 2010 obs J1957-3845_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2008_04_02_pus_uva.fits ! AN table 1: 70 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.10869 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 2.23697e+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 984 lines of history. ! ! Reading 3652 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 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 774 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 774 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 774 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 774 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.481843Jy sigma=0.011366 ! Fit after self-cal, rms=1.291663Jy sigma=0.009792 ! 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=2.555 mas, bmaj=9.082 mas, bpa=-6.883 degrees ! Estimated noise=2345.59 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 = 1.66327 Jy ! Component: 100 - total flux cleaned = 2.0655 Jy ! Total flux subtracted in 100 components = 2.0655 Jy ! Clean residual min=-0.082822 max=0.146766 Jy/beam ! Clean residual mean=0.001859 rms=0.029503 Jy/beam ! Combined flux in latest and established models = 2.0655 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 2.0655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.500304Jy sigma=0.003660 ! Fit after self-cal, rms=0.500295Jy sigma=0.003659 ! 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=3.139 mas, bmaj=11.15 mas, bpa=-7.546 degrees ! Estimated noise=1609.08 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 = 0.183297 Jy ! Component: 100 - total flux cleaned = 0.253171 Jy ! Component: 150 - total flux cleaned = 0.279005 Jy ! Component: 200 - total flux cleaned = 0.280472 Jy ! Total flux subtracted in 200 components = 0.280472 Jy ! Clean residual min=-0.054483 max=0.075914 Jy/beam ! Clean residual mean=0.001291 rms=0.019374 Jy/beam ! Combined flux in latest and established models = 2.34597 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 28 components and 2.34597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.439208Jy sigma=0.003223 ! Fit after self-cal, rms=0.439201Jy sigma=0.003223 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.05 HH 1.00* HN 1.00* ! KK 1.14 KP 1.00 LA 1.17 MK 0.81 ! NL 1.14 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.14 HH 1.00* HN 1.00* ! KK 1.06 KP 1.02 LA 1.10 MK 0.87 ! NL 1.17 NY 1.00* ON 1.00* OV 1.00 ! PT 0.99 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.14 HH 1.00* HN 1.00* ! KK 1.12 KP 0.99 LA 0.87 MK 0.88 ! NL 1.21 NY 1.00* ON 1.00* OV 1.03 ! PT 1.04 SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.10 HH 1.00* HN 1.00* ! KK 1.08 KP 0.93 LA 0.73 MK 0.95 ! NL 1.11 NY 1.00* ON 1.00* OV 0.85 ! PT 0.90 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.439201Jy sigma=0.003223 ! Fit after self-cal, rms=0.222518Jy sigma=0.001528 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.157 mas, bmaj=11.3 mas, bpa=-6.858 degrees ! Estimated noise=1630.14 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 = 0.0232508 Jy ! Component: 100 - total flux cleaned = 0.0232478 Jy ! Component: 150 - total flux cleaned = 0.0226291 Jy ! Component: 200 - total flux cleaned = 0.022122 Jy ! Total flux subtracted in 200 components = 0.022122 Jy ! Clean residual min=-0.026289 max=0.031333 Jy/beam ! Clean residual mean=0.000095 rms=0.008166 Jy/beam ! Combined flux in latest and established models = 2.36809 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 36 components and 2.36809 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215875Jy sigma=0.001498 ! Fit after self-cal, rms=0.216164Jy sigma=0.001497 ! 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=0.216164Jy sigma=0.001497 ! Fit after self-cal, rms=0.203967Jy sigma=0.001367 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.154 mas, bmaj=11.32 mas, bpa=-6.9 degrees ! Estimated noise=1635.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0137123 Jy ! Component: 100 - total flux cleaned = 0.0141962 Jy ! Component: 150 - total flux cleaned = 0.0141865 Jy ! Component: 200 - total flux cleaned = 0.014188 Jy ! Total flux subtracted in 200 components = 0.014188 Jy ! Clean residual min=-0.012344 max=0.017346 Jy/beam ! Clean residual mean=-0.000006 rms=0.004502 Jy/beam ! Combined flux in latest and established models = 2.38228 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 50 components and 2.38228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201310Jy sigma=0.001356 ! Fit after self-cal, rms=0.201327Jy sigma=0.001356 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 = 0.000263419 Jy ! Component: 100 - total flux cleaned = 0.000455626 Jy ! Component: 150 - total flux cleaned = 0.000629234 Jy ! Component: 200 - total flux cleaned = 0.000790255 Jy ! Total flux subtracted in 200 components = 0.000790255 Jy ! Clean residual min=-0.013067 max=0.016297 Jy/beam ! Clean residual mean=-0.000013 rms=0.004438 Jy/beam ! Combined flux in latest and established models = 2.38307 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 64 components and 2.38307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200770Jy sigma=0.001354 ! Fit after self-cal, rms=0.200775Jy sigma=0.001354 ! 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=0.200775Jy sigma=0.001354 ! Fit after self-cal, rms=0.198479Jy sigma=0.001335 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.144 mas, bmaj=11.32 mas, bpa=-7.041 degrees ! Estimated noise=1636.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118519 Jy ! Component: 100 - total flux cleaned = 0.0124716 Jy ! Component: 150 - total flux cleaned = 0.0124722 Jy ! Component: 200 - total flux cleaned = 0.0124733 Jy ! Total flux subtracted in 200 components = 0.0124733 Jy ! Clean residual min=-0.011083 max=0.012808 Jy/beam ! Clean residual mean=0.000009 rms=0.003784 Jy/beam ! Combined flux in latest and established models = 2.39554 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 68 components and 2.39554 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196894Jy sigma=0.001329 ! Fit after self-cal, rms=0.196908Jy sigma=0.001329 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 = 2.78843e-05 Jy ! Component: 100 - total flux cleaned = 0.000288041 Jy ! Component: 150 - total flux cleaned = 0.000398466 Jy ! Component: 200 - total flux cleaned = 0.000500616 Jy ! Total flux subtracted in 200 components = 0.000500616 Jy ! Clean residual min=-0.010977 max=0.012441 Jy/beam ! Clean residual mean=0.000004 rms=0.003741 Jy/beam ! Combined flux in latest and established models = 2.39605 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 73 components and 2.39604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196653Jy sigma=0.001328 ! Fit after self-cal, rms=0.196659Jy sigma=0.001328 ! 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=0.196659Jy sigma=0.001328 ! Fit after self-cal, rms=0.195760Jy sigma=0.001323 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=10.03 mas, bmaj=31.85 mas, bpa=-4.287 degrees ! Estimated noise=1939.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00739006 Jy ! Component: 100 - total flux cleaned = 0.00849697 Jy ! Component: 150 - total flux cleaned = 0.00857725 Jy ! Component: 200 - total flux cleaned = 0.00870831 Jy ! Total flux subtracted in 200 components = 0.00870831 Jy ! Clean residual min=-0.011234 max=0.015545 Jy/beam ! Clean residual mean=0.000091 rms=0.004982 Jy/beam ! Combined flux in latest and established models = 2.40475 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 80 components and 2.40475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195522Jy sigma=0.001322 ! Fit after self-cal, rms=0.195419Jy sigma=0.001321 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 = -3.13663e-06 Jy ! Component: 100 - total flux cleaned = 9.50965e-05 Jy ! Component: 150 - total flux cleaned = 0.000185 Jy ! Component: 200 - total flux cleaned = 0.000326368 Jy ! Total flux subtracted in 200 components = 0.000326368 Jy ! Clean residual min=-0.011210 max=0.015430 Jy/beam ! Clean residual mean=0.000088 rms=0.004948 Jy/beam ! Combined flux in latest and established models = 2.40508 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 81 components and 2.40508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195432Jy sigma=0.001321 ! Fit after self-cal, rms=0.195345Jy sigma=0.001321 ! 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=3.133 mas, bmaj=11.32 mas, bpa=-7.156 degrees ! Estimated noise=1636.65 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.133 x 11.32 at -7.156 degrees (North through East) ! Clean map min=-0.01019 max=2.175 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=0.195345Jy sigma=0.001321 ! Fit after self-cal, rms=0.169803Jy sigma=0.001119 ! Inverting map and beam ! Estimated beam: bmin=3.134 mas, bmaj=11.32 mas, bpa=-7.196 degrees ! Estimated noise=1639.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00687972 Jy ! Component: 100 - total flux cleaned = 0.00731359 Jy ! Component: 150 - total flux cleaned = 0.00748232 Jy ! Component: 200 - total flux cleaned = 0.00736602 Jy ! Total flux subtracted in 200 components = 0.00736602 Jy ! Clean residual min=-0.009646 max=0.011921 Jy/beam ! Clean residual mean=0.000080 rms=0.003257 Jy/beam ! Combined flux in latest and established models = 2.41245 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 86 components and 2.41245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169021Jy sigma=0.001116 ! Fit after self-cal, rms=0.169029Jy sigma=0.001116 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000112038 Jy ! Component: 100 - total flux cleaned = -0.000204123 Jy ! Component: 150 - total flux cleaned = -0.000293293 Jy ! Component: 200 - total flux cleaned = -0.000376025 Jy ! Total flux subtracted in 200 components = -0.000376025 Jy ! Clean residual min=-0.009597 max=0.011749 Jy/beam ! Clean residual mean=0.000083 rms=0.003256 Jy/beam ! Combined flux in latest and established models = 2.41207 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 94 components and 2.41207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168881Jy sigma=0.001115 ! Fit after self-cal, rms=0.168891Jy sigma=0.001115 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168891Jy sigma=0.001115 ! Fit after self-cal, rms=0.168450Jy sigma=0.001113 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=2.542 mas, bmaj=9.157 mas, bpa=-7.47 degrees ! Estimated noise=2387.14 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.65921 Jy ! Component: 100 - total flux cleaned = 2.05565 Jy ! Component: 150 - total flux cleaned = 2.22885 Jy ! Component: 200 - total flux cleaned = 2.31926 Jy ! Total flux subtracted in 200 components = 2.31926 Jy ! Clean residual min=-0.016467 max=0.042998 Jy/beam ! Clean residual mean=0.000810 rms=0.006574 Jy/beam ! Combined flux in latest and established models = 2.31926 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 25 model components to the UV plane model. ! The established model now contains 25 components and 2.31926 Jy ! Inverting map and beam ! Estimated beam: bmin=3.127 mas, bmaj=11.31 mas, bpa=-7.27 degrees ! Estimated noise=1639 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 = 0.0604286 Jy ! Component: 100 - total flux cleaned = 0.0849755 Jy ! Component: 150 - total flux cleaned = 0.0953322 Jy ! Component: 200 - total flux cleaned = 0.098306 Jy ! Total flux subtracted in 200 components = 0.098306 Jy ! Clean residual min=-0.010204 max=0.011457 Jy/beam ! Clean residual mean=0.000095 rms=0.003289 Jy/beam ! Combined flux in latest and established models = 2.41757 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 58 components and 2.41757 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=10.01 mas, bmaj=31.81 mas, bpa=-4.342 degrees ! Estimated noise=1947.6 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00035464 Jy ! Component: 100 - total flux cleaned = -0.000236393 Jy ! Component: 150 - total flux cleaned = -0.000136428 Jy ! Component: 200 - total flux cleaned = -4.82279e-05 Jy ! Total flux subtracted in 200 components = -4.82279e-05 Jy ! Clean residual min=-0.010352 max=0.015382 Jy/beam ! Clean residual mean=0.000174 rms=0.004516 Jy/beam ! Combined flux in latest and established models = 2.41752 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 = 7.96586e-05 Jy ! Component: 100 - total flux cleaned = 0.000202996 Jy ! Component: 150 - total flux cleaned = 0.000254764 Jy ! Component: 200 - total flux cleaned = 0.000301082 Jy ! Total flux subtracted in 200 components = 0.000301082 Jy ! Clean residual min=-0.010181 max=0.015386 Jy/beam ! Clean residual mean=0.000171 rms=0.004434 Jy/beam ! Combined flux in latest and established models = 2.41782 Jy ! Adding 3 model components to the UV plane model. ! The established model now contains 61 components and 2.41782 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.127 mas, bmaj=11.31 mas, bpa=-7.27 degrees ! Estimated noise=1639 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00173128 Jy ! Component: 100 - total flux cleaned = 0.00193269 Jy ! Component: 150 - total flux cleaned = 0.00193531 Jy ! Component: 200 - total flux cleaned = 0.0017918 Jy ! Total flux subtracted in 200 components = 0.0017918 Jy ! Clean residual min=-0.010019 max=0.011607 Jy/beam ! Clean residual mean=0.000080 rms=0.003144 Jy/beam ! Combined flux in latest and established models = 2.41961 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 62 components and 2.41961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168945Jy sigma=0.001115 ! Fit after self-cal, rms=0.168931Jy sigma=0.001115 wmodel J1957-3845_S_2008_04_02_pus_map.mod ! Writing 62 model components to file: J1957-3845_S_2008_04_02_pus_map.mod wobs J1957-3845_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2008_04_02_pus_uvs.fits wwins J1957-3845_S_2008_04_02_pus_map.win ! wwins: Wrote 1 windows to J1957-3845_S_2008_04_02_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 = 0.00390592 Jy ! Component: 100 - total flux cleaned = 0.00477014 Jy ! Component: 150 - total flux cleaned = 0.00586087 Jy ! Component: 200 - total flux cleaned = 0.00656788 Jy ! Component: 250 - total flux cleaned = 0.0068329 Jy ! Component: 300 - total flux cleaned = 0.00732785 Jy ! Component: 350 - total flux cleaned = 0.00767389 Jy ! Component: 400 - total flux cleaned = 0.00778387 Jy ! Component: 450 - total flux cleaned = 0.00810582 Jy ! Component: 500 - total flux cleaned = 0.00861772 Jy ! Component: 550 - total flux cleaned = 0.00910998 Jy ! Component: 600 - total flux cleaned = 0.00958497 Jy ! Component: 650 - total flux cleaned = 0.00986244 Jy ! Component: 700 - total flux cleaned = 0.010132 Jy ! Component: 750 - total flux cleaned = 0.0103941 Jy ! Component: 800 - total flux cleaned = 0.0103944 Jy ! Component: 850 - total flux cleaned = 0.0103933 Jy ! Component: 900 - total flux cleaned = 0.0103927 Jy ! Component: 950 - total flux cleaned = 0.0103133 Jy ! Component: 1000 - total flux cleaned = 0.0103138 Jy ! Component: 1050 - total flux cleaned = 0.010163 Jy ! Component: 1100 - total flux cleaned = 0.0100893 Jy ! Component: 1150 - total flux cleaned = 0.0100892 Jy ! Component: 1200 - total flux cleaned = 0.010018 Jy ! Component: 1250 - total flux cleaned = 0.0100166 Jy ! Component: 1300 - total flux cleaned = 0.00994636 Jy ! Component: 1350 - total flux cleaned = 0.00980998 Jy ! Component: 1400 - total flux cleaned = 0.00974359 Jy ! Component: 1450 - total flux cleaned = 0.00961247 Jy ! Component: 1500 - total flux cleaned = 0.00961271 Jy ! Component: 1550 - total flux cleaned = 0.00954954 Jy ! Component: 1600 - total flux cleaned = 0.00942398 Jy ! Component: 1650 - total flux cleaned = 0.00942459 Jy ! Component: 1700 - total flux cleaned = 0.00936381 Jy ! Component: 1750 - total flux cleaned = 0.00936451 Jy ! Component: 1800 - total flux cleaned = 0.00942491 Jy ! Component: 1850 - total flux cleaned = 0.00936606 Jy ! Component: 1900 - total flux cleaned = 0.00936573 Jy ! Component: 1950 - total flux cleaned = 0.00925051 Jy ! Component: 2000 - total flux cleaned = 0.0091366 Jy ! Total flux subtracted in 2048 components = 0.00919288 Jy ! Clean residual min=-0.003382 max=0.002829 Jy/beam ! Clean residual mean=-0.000002 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 2.42881 Jy keep ! Adding 154 model components to the UV plane model. ! The established model now contains 216 components and 2.42881 Jy wmap "J1957-3845_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.127 x 11.31 at -7.27 degrees (North through East) ! Clean map min=-0.0067672 max=2.1752 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.17524 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00118828 device "J1957-3845_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.163883 0.163883 0.327766 0.655532 1.31106 2.62213 5.24426 10.4885 20.977 41.9541 83.9082 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.175 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.127 x 11.31 at -7.27 degrees (North through East) ! Clean map min=-0.0067672 max=2.1752 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:44:15 2010