! Started logfile: J0927+3902_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:38:41 2010 obs J0927+3902_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0927+3902_S_2008_04_02_pus_uva.fits ! AN table 1: 81 integrations on 120 of 120 possible baselines. ! AN table 2: 112 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.190415 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0927+3902 ! ! 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 17640 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 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 690 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=3.557481Jy sigma=0.033787 ! Fit after self-cal, rms=3.448357Jy sigma=0.033008 ! 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=2.716 mas, bmaj=3.389 mas, bpa=-9.143 degrees ! Estimated noise=1075.08 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.21666 Jy ! Component: 100 - total flux cleaned = 3.99593 Jy ! Total flux subtracted in 100 components = 3.99593 Jy ! Clean residual min=-0.089099 max=0.312342 Jy/beam ! Clean residual mean=0.000535 rms=0.029461 Jy/beam ! Combined flux in latest and established models = 3.99593 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 3.99593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.022814Jy sigma=0.009758 ! Fit after self-cal, rms=1.022460Jy sigma=0.009756 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.322433 Jy ! Component: 100 - total flux cleaned = 0.483121 Jy ! Total flux subtracted in 100 components = 0.483121 Jy ! Clean residual min=-0.082069 max=0.113531 Jy/beam ! Clean residual mean=0.000065 rms=0.024484 Jy/beam ! Combined flux in latest and established models = 4.47905 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 22 components and 4.47905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.893119Jy sigma=0.008309 ! Fit after self-cal, rms=0.892746Jy sigma=0.008308 ! 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=3.676 mas, bmaj=4.687 mas, bpa=-13.48 degrees ! Estimated noise=601.864 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 = 0.149416 Jy ! Component: 100 - total flux cleaned = 0.217467 Jy ! Component: 150 - total flux cleaned = 0.251108 Jy ! Component: 200 - total flux cleaned = 0.263197 Jy ! Total flux subtracted in 200 components = 0.263197 Jy ! Clean residual min=-0.103072 max=0.105022 Jy/beam ! Clean residual mean=-0.001197 rms=0.028844 Jy/beam ! Combined flux in latest and established models = 4.74225 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 38 components and 4.74225 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.874947Jy sigma=0.008071 ! Fit after self-cal, rms=0.874834Jy sigma=0.008071 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.06 HH 1.00* HN 1.10 ! KK 1.18 KP 0.98 LA 1.21 MK 0.84 ! NL 0.92 NY 0.90 ON 1.00* OV 0.96 ! PT 1.00 SC 1.07 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.15 HH 1.00* HN 1.21 ! KK 1.11 KP 1.04 LA 1.25 MK 0.76 ! NL 0.94 NY 0.94 ON 1.08 OV 0.98 ! PT 1.06 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.12 HH 1.00* HN 1.15 ! KK 1.09 KP 0.99 LA 1.12 MK 0.88 ! NL 0.94 NY 1.05 ON 1.00* OV 0.99 ! PT 0.98 SC 1.10 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.23 HH 1.00* HN 1.28 ! KK 1.03 KP 1.07 LA 1.16 MK 0.81 ! NL 0.96 NY 1.07 ON 1.06 OV 1.00 ! PT 1.04 SC 1.07 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.11 HH 1.00* HN 1.14 ! KK 1.10 KP 0.96 LA 0.86 MK 0.89 ! NL 0.97 NY 0.94 ON 1.00* OV 0.99 ! PT 1.01 SC 1.00 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.20 HH 1.00* HN 1.24 ! KK 1.04 KP 1.03 LA 0.89 MK 0.80 ! NL 0.99 NY 0.96 ON 1.01 OV 1.01 ! PT 1.07 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.07 HH 1.00* HN 1.04 ! KK 1.07 KP 0.88 LA 0.72 MK 0.94 ! NL 0.87 NY 1.07 ON 1.00* OV 0.80 ! PT 0.87 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.17 HH 1.00* HN 1.14 ! KK 0.98 KP 0.94 LA 0.74 MK 0.86 ! NL 0.89 NY 1.07 ON 1.07 OV 0.83 ! PT 0.93 SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.874834Jy sigma=0.008071 ! Fit after self-cal, rms=0.315462Jy sigma=0.002354 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.652 mas, bmaj=4.678 mas, bpa=-14.79 degrees ! Estimated noise=602.583 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 = 0.00776599 Jy ! Component: 100 - total flux cleaned = 0.00775715 Jy ! Component: 150 - total flux cleaned = 0.00772086 Jy ! Component: 200 - total flux cleaned = 0.00777179 Jy ! Total flux subtracted in 200 components = 0.00777179 Jy ! Clean residual min=-0.037620 max=0.024816 Jy/beam ! Clean residual mean=-0.001494 rms=0.006876 Jy/beam ! Combined flux in latest and established models = 4.75002 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 4.75002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308640Jy sigma=0.002299 ! Fit after self-cal, rms=0.308707Jy sigma=0.002298 ! 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=0.308707Jy sigma=0.002298 ! Fit after self-cal, rms=0.241652Jy sigma=0.001755 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.654 mas, bmaj=4.677 mas, bpa=-14.32 degrees ! Estimated noise=603.702 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00613515 Jy ! Component: 100 - total flux cleaned = 0.0055859 Jy ! Component: 150 - total flux cleaned = 0.00558485 Jy ! Component: 200 - total flux cleaned = 0.00599836 Jy ! Total flux subtracted in 200 components = 0.00599836 Jy ! Clean residual min=-0.018284 max=0.018358 Jy/beam ! Clean residual mean=-0.000669 rms=0.004295 Jy/beam ! Combined flux in latest and established models = 4.75602 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 4.75602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.238877Jy sigma=0.001736 ! Fit after self-cal, rms=0.238800Jy sigma=0.001735 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 = 0.000333402 Jy ! Component: 100 - total flux cleaned = 5.46071e-06 Jy ! Component: 150 - total flux cleaned = -0.000289959 Jy ! Component: 200 - total flux cleaned = -0.000570518 Jy ! Total flux subtracted in 200 components = -0.000570518 Jy ! Clean residual min=-0.017991 max=0.017368 Jy/beam ! Clean residual mean=-0.000659 rms=0.004255 Jy/beam ! Combined flux in latest and established models = 4.75545 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 50 components and 4.75545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.237718Jy sigma=0.001729 ! Fit after self-cal, rms=0.237671Jy sigma=0.001729 ! 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=0.237671Jy sigma=0.001729 ! Fit after self-cal, rms=0.215643Jy sigma=0.001581 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.642 mas, bmaj=4.68 mas, bpa=-14.29 degrees ! Estimated noise=604.014 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00805106 Jy ! Component: 100 - total flux cleaned = 0.00806617 Jy ! Component: 150 - total flux cleaned = 0.00807949 Jy ! Component: 200 - total flux cleaned = 0.00839981 Jy ! Total flux subtracted in 200 components = 0.00839981 Jy ! Clean residual min=-0.009049 max=0.014670 Jy/beam ! Clean residual mean=-0.000264 rms=0.002306 Jy/beam ! Combined flux in latest and established models = 4.76385 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 50 components and 4.76385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213706Jy sigma=0.001569 ! Fit after self-cal, rms=0.213635Jy sigma=0.001569 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) ! Added new window around map position (5, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00656009 Jy ! Component: 100 - total flux cleaned = 0.00696284 Jy ! Component: 150 - total flux cleaned = 0.00730026 Jy ! Component: 200 - total flux cleaned = 0.00728839 Jy ! Total flux subtracted in 200 components = 0.00728839 Jy ! Clean residual min=-0.008246 max=0.008315 Jy/beam ! Clean residual mean=-0.000411 rms=0.002114 Jy/beam ! Combined flux in latest and established models = 4.77113 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 63 components and 4.77113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211824Jy sigma=0.001553 ! Fit after self-cal, rms=0.211646Jy sigma=0.001552 ! 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=0.211646Jy sigma=0.001552 ! Fit after self-cal, rms=0.210812Jy sigma=0.001547 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.29 mas, bmaj=9.94 mas, bpa=-44.31 degrees ! Estimated noise=736.436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0101119 Jy ! Component: 100 - total flux cleaned = 0.0111866 Jy ! Component: 150 - total flux cleaned = 0.0110774 Jy ! Component: 200 - total flux cleaned = 0.0110751 Jy ! Total flux subtracted in 200 components = 0.0110751 Jy ! Clean residual min=-0.007319 max=0.006458 Jy/beam ! Clean residual mean=-0.000709 rms=0.002306 Jy/beam ! Combined flux in latest and established models = 4.78221 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 79 components and 4.78221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210505Jy sigma=0.001541 ! Fit after self-cal, rms=0.210371Jy sigma=0.001540 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 = 0.00172272 Jy ! Component: 100 - total flux cleaned = 0.00150955 Jy ! Component: 150 - total flux cleaned = 0.0013293 Jy ! Component: 200 - total flux cleaned = 0.00109626 Jy ! Total flux subtracted in 200 components = 0.00109626 Jy ! Clean residual min=-0.006980 max=0.006489 Jy/beam ! Clean residual mean=-0.000756 rms=0.002281 Jy/beam ! Combined flux in latest and established models = 4.78331 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 87 components and 4.7833 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210244Jy sigma=0.001539 ! Fit after self-cal, rms=0.210209Jy sigma=0.001539 ! 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=3.635 mas, bmaj=4.683 mas, bpa=-14.25 degrees ! Estimated noise=604.506 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.635 x 4.683 at -14.25 degrees (North through East) ! Clean map min=-0.0067164 max=4.3081 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=0.210209Jy sigma=0.001539 ! Fit after self-cal, rms=0.190209Jy sigma=0.001249 ! Inverting map and beam ! Estimated beam: bmin=3.635 mas, bmaj=4.684 mas, bpa=-14.27 degrees ! Estimated noise=604.824 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00475564 Jy ! Component: 100 - total flux cleaned = 0.00507629 Jy ! Component: 150 - total flux cleaned = 0.00538248 Jy ! Component: 200 - total flux cleaned = 0.00564931 Jy ! Total flux subtracted in 200 components = 0.00564931 Jy ! Clean residual min=-0.006532 max=0.005984 Jy/beam ! Clean residual mean=-0.000219 rms=0.001609 Jy/beam ! Combined flux in latest and established models = 4.78895 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 90 components and 4.78895 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188797Jy sigma=0.001239 ! Fit after self-cal, rms=0.188745Jy sigma=0.001238 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000548865 Jy ! Component: 100 - total flux cleaned = 0.000553029 Jy ! Component: 150 - total flux cleaned = 0.000562719 Jy ! Component: 200 - total flux cleaned = 0.000567725 Jy ! Total flux subtracted in 200 components = 0.000567725 Jy ! Clean residual min=-0.006768 max=0.005699 Jy/beam ! Clean residual mean=-0.000230 rms=0.001572 Jy/beam ! Combined flux in latest and established models = 4.78952 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 97 components and 4.78952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187947Jy sigma=0.001234 ! Fit after self-cal, rms=0.187926Jy sigma=0.001234 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187926Jy sigma=0.001234 ! Fit after self-cal, rms=0.187326Jy sigma=0.001230 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=2.715 mas, bmaj=3.382 mas, bpa=-9.867 degrees ! Estimated noise=1079.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.21896 Jy ! Component: 100 - total flux cleaned = 4.00168 Jy ! Component: 150 - total flux cleaned = 4.33069 Jy ! Component: 200 - total flux cleaned = 4.49987 Jy ! Total flux subtracted in 200 components = 4.49987 Jy ! Clean residual min=-0.025148 max=0.085109 Jy/beam ! Clean residual mean=0.000255 rms=0.006980 Jy/beam ! Combined flux in latest and established models = 4.49987 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 20 model components to the UV plane model. ! The established model now contains 20 components and 4.49987 Jy ! Inverting map and beam ! Estimated beam: bmin=3.63 mas, bmaj=4.687 mas, bpa=-14.27 degrees ! Estimated noise=605.034 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 = 0.146888 Jy ! Component: 100 - total flux cleaned = 0.215029 Jy ! Component: 150 - total flux cleaned = 0.25108 Jy ! Component: 200 - total flux cleaned = 0.272127 Jy ! Total flux subtracted in 200 components = 0.272127 Jy ! Clean residual min=-0.008303 max=0.011020 Jy/beam ! Clean residual mean=0.000232 rms=0.001986 Jy/beam ! Combined flux in latest and established models = 4.772 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 57 components and 4.772 Jy ! Inverting map ! Added new window around map position (-10.5, -5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00703476 Jy ! Component: 100 - total flux cleaned = 0.010498 Jy ! Component: 150 - total flux cleaned = 0.0135466 Jy ! Component: 200 - total flux cleaned = 0.0158853 Jy ! Total flux subtracted in 200 components = 0.0158853 Jy ! Clean residual min=-0.006039 max=0.006648 Jy/beam ! Clean residual mean=-0.000079 rms=0.001635 Jy/beam ! Combined flux in latest and established models = 4.78788 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 61 components and 4.78788 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=9.281 mas, bmaj=9.942 mas, bpa=-43.38 degrees ! Estimated noise=737.647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00527454 Jy ! Component: 100 - total flux cleaned = 0.00711013 Jy ! Component: 150 - total flux cleaned = 0.00745941 Jy ! Component: 200 - total flux cleaned = 0.00769046 Jy ! Total flux subtracted in 200 components = 0.00769046 Jy ! Clean residual min=-0.004983 max=0.004046 Jy/beam ! Clean residual mean=-0.000490 rms=0.001501 Jy/beam ! Combined flux in latest and established models = 4.79557 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 = 0.000100841 Jy ! Component: 100 - total flux cleaned = 0.000237363 Jy ! Component: 150 - total flux cleaned = 0.000280384 Jy ! Component: 200 - total flux cleaned = 0.000317663 Jy ! Total flux subtracted in 200 components = 0.000317663 Jy ! Clean residual min=-0.004946 max=0.004102 Jy/beam ! Clean residual mean=-0.000503 rms=0.001498 Jy/beam ! Combined flux in latest and established models = 4.79589 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 98 components and 4.79589 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.63 mas, bmaj=4.687 mas, bpa=-14.27 degrees ! Estimated noise=605.034 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00206408 Jy ! Component: 100 - total flux cleaned = -0.0011298 Jy ! Component: 150 - total flux cleaned = -0.000547253 Jy ! Component: 200 - total flux cleaned = -1.09479e-05 Jy ! Total flux subtracted in 200 components = -1.09479e-05 Jy ! Clean residual min=-0.006349 max=0.005767 Jy/beam ! Clean residual mean=-0.000236 rms=0.001508 Jy/beam ! Combined flux in latest and established models = 4.79588 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 102 components and 4.79588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185741Jy sigma=0.001227 ! Fit after self-cal, rms=0.185548Jy sigma=0.001226 wmodel J0927+3902_S_2008_04_02_pus_map.mod ! Writing 102 model components to file: J0927+3902_S_2008_04_02_pus_map.mod wobs J0927+3902_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0927+3902_S_2008_04_02_pus_uvs.fits wwins J0927+3902_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J0927+3902_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 = -0.000812748 Jy ! Component: 100 - total flux cleaned = -0.000696901 Jy ! Component: 150 - total flux cleaned = -0.000698494 Jy ! Component: 200 - total flux cleaned = -0.000599949 Jy ! Component: 250 - total flux cleaned = -0.000600478 Jy ! Component: 300 - total flux cleaned = -0.000317237 Jy ! Component: 350 - total flux cleaned = -0.000409002 Jy ! Component: 400 - total flux cleaned = -0.000408517 Jy ! Component: 450 - total flux cleaned = -0.000496274 Jy ! Component: 500 - total flux cleaned = -0.00058344 Jy ! Component: 550 - total flux cleaned = -0.00075404 Jy ! Component: 600 - total flux cleaned = -0.00083834 Jy ! Component: 650 - total flux cleaned = -0.00100459 Jy ! Component: 700 - total flux cleaned = -0.00116848 Jy ! Component: 750 - total flux cleaned = -0.0013306 Jy ! Component: 800 - total flux cleaned = -0.00157109 Jy ! Component: 850 - total flux cleaned = -0.00172996 Jy ! Component: 900 - total flux cleaned = -0.00188584 Jy ! Component: 950 - total flux cleaned = -0.00204077 Jy ! Component: 1000 - total flux cleaned = -0.00211764 Jy ! Component: 1050 - total flux cleaned = -0.00227055 Jy ! Component: 1100 - total flux cleaned = -0.00249651 Jy ! Component: 1150 - total flux cleaned = -0.00257082 Jy ! Component: 1200 - total flux cleaned = -0.00271923 Jy ! Component: 1250 - total flux cleaned = -0.00286589 Jy ! Component: 1300 - total flux cleaned = -0.00301171 Jy ! Component: 1350 - total flux cleaned = -0.00308461 Jy ! Component: 1400 - total flux cleaned = -0.00329983 Jy ! Component: 1450 - total flux cleaned = -0.00344191 Jy ! Component: 1500 - total flux cleaned = -0.00344161 Jy ! Component: 1550 - total flux cleaned = -0.00358212 Jy ! Component: 1600 - total flux cleaned = -0.00365181 Jy ! Component: 1650 - total flux cleaned = -0.00372047 Jy ! Component: 1700 - total flux cleaned = -0.00385717 Jy ! Component: 1750 - total flux cleaned = -0.00385674 Jy ! Component: 1800 - total flux cleaned = -0.00392417 Jy ! Component: 1850 - total flux cleaned = -0.00405888 Jy ! Component: 1900 - total flux cleaned = -0.00419251 Jy ! Component: 1950 - total flux cleaned = -0.00419315 Jy ! Component: 2000 - total flux cleaned = -0.00432518 Jy ! Total flux subtracted in 2048 components = -0.00439054 Jy ! Clean residual min=-0.003276 max=0.003720 Jy/beam ! Clean residual mean=-0.000169 rms=0.001201 Jy/beam ! Combined flux in latest and established models = 4.79149 Jy keep ! Adding 120 model components to the UV plane model. ! The established model now contains 211 components and 4.79149 Jy wmap "J0927+3902_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.63 x 4.687 at -14.27 degrees (North through East) ! Clean map min=-0.0049133 max=4.3113 Jy/beam ! Writing clean map to FITS file: J0927+3902_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 4.3113 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00120205 device "J0927+3902_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0927+3902_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0836443 0.0836443 0.167289 0.334577 0.669155 1.33831 2.67662 5.35324 10.7065 21.4129 42.8259 85.6518 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 4.311 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.63 x 4.687 at -14.27 degrees (North through East) ! Clean map min=-0.0049133 max=4.3113 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0927+3902_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0927+3902_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0927+3902_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:38:46 2010