! Started logfile: J2258-2758_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:54:39 2010 obs J2258-2758_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2258-2758_X_2008_04_02_pus_uva.fits ! AN table 1: 133 integrations on 120 of 120 possible baselines. ! AN table 2: 66 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.05134 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2258-2758 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2284 lines of history. ! ! Reading 4904 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 0.200x0.200 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 1927 telescope corrections were flagged in sub-array 1. ! A total of 766 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1927 telescope corrections were flagged in sub-array 1. ! A total of 766 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1927 telescope corrections were flagged in sub-array 1. ! A total of 766 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1927 telescope corrections were flagged in sub-array 1. ! A total of 766 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.041383Jy sigma=0.007785 ! Fit after self-cal, rms=0.962367Jy sigma=0.007458 ! 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=0.9129 mas, bmaj=1.865 mas, bpa=-5.41 degrees ! Estimated noise=1806.87 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 = 1.50659 Jy ! Component: 100 - total flux cleaned = 1.83512 Jy ! Total flux subtracted in 100 components = 1.83512 Jy ! Clean residual min=-0.043419 max=0.094745 Jy/beam ! Clean residual mean=0.000374 rms=0.013407 Jy/beam ! Combined flux in latest and established models = 1.83512 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1.83512 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305429Jy sigma=0.002147 ! Fit after self-cal, rms=0.305430Jy sigma=0.002147 ! Inverting map ! Added new window around map position (-1.6, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0907722 Jy ! Component: 100 - total flux cleaned = 0.138866 Jy ! Total flux subtracted in 100 components = 0.138866 Jy ! Clean residual min=-0.035660 max=0.068357 Jy/beam ! Clean residual mean=0.000026 rms=0.010134 Jy/beam ! Combined flux in latest and established models = 1.97399 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 1.97399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274094Jy sigma=0.001822 ! Fit after self-cal, rms=0.272052Jy sigma=0.001806 ! 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=1.068 mas, bmaj=1.516 mas, bpa=-7.761 degrees ! Estimated noise=1423.77 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 = 0.0652558 Jy ! Component: 100 - total flux cleaned = 0.0987884 Jy ! Component: 150 - total flux cleaned = 0.117754 Jy ! Component: 200 - total flux cleaned = 0.123611 Jy ! Total flux subtracted in 200 components = 0.123611 Jy ! Clean residual min=-0.039753 max=0.059689 Jy/beam ! Clean residual mean=-0.000224 rms=0.011208 Jy/beam ! Combined flux in latest and established models = 2.0976 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 25 components and 2.0976 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255627Jy sigma=0.001669 ! Fit after self-cal, rms=0.252391Jy sigma=0.001643 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 201 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.98 HH 1.00* HN 1.02 ! KK 0.96 KP 1.01 LA 1.01 MK 0.97 ! NL 1.04 NY 1.00* ON 1.00* OV 1.00 ! PT 1.01 SC 0.99 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 201 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.97 HH 1.00* HN 1.01 ! KK 0.97 KP 0.96 LA 0.99 MK 0.96 ! NL 1.02 NY 1.00* ON 1.00* OV 0.98 ! PT 1.00 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 201 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 HH 1.00* HN 1.02 ! KK 1.00 KP 0.99 LA 1.02 MK 0.99 ! NL 1.03 NY 1.00* ON 1.00* OV 1.01 ! PT 0.99 SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 201 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 HH 1.00* HN 1.02 ! KK 1.00 KP 0.98 LA 1.00 MK 1.00 ! NL 1.05 NY 1.00* ON 1.00* OV 0.99 ! PT 0.99 SC 1.06 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.252391Jy sigma=0.001643 ! Fit after self-cal, rms=0.178496Jy sigma=0.001348 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.031 mas, bmaj=3.984 mas, bpa=-5.513 degrees ! Estimated noise=1471.11 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 = -0.0069905 Jy ! Component: 100 - total flux cleaned = -0.00877944 Jy ! Component: 150 - total flux cleaned = -0.0093287 Jy ! Component: 200 - total flux cleaned = -0.0103018 Jy ! Total flux subtracted in 200 components = -0.0103018 Jy ! Clean residual min=-0.021520 max=0.028700 Jy/beam ! Clean residual mean=0.000001 rms=0.005809 Jy/beam ! Combined flux in latest and established models = 2.0873 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 39 components and 2.0873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176874Jy sigma=0.001338 ! Fit after self-cal, rms=0.176738Jy sigma=0.001337 ! 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=0.176738Jy sigma=0.001337 ! Fit after self-cal, rms=0.168541Jy sigma=0.001269 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.032 mas, bmaj=3.982 mas, bpa=-5.554 degrees ! Estimated noise=1466.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00337415 Jy ! Component: 100 - total flux cleaned = -0.00365682 Jy ! Component: 150 - total flux cleaned = -0.00365322 Jy ! Component: 200 - total flux cleaned = -0.00366737 Jy ! Total flux subtracted in 200 components = -0.00366737 Jy ! Clean residual min=-0.017167 max=0.020048 Jy/beam ! Clean residual mean=0.000091 rms=0.004004 Jy/beam ! Combined flux in latest and established models = 2.08363 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 47 components and 2.08363 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167650Jy sigma=0.001264 ! Fit after self-cal, rms=0.167609Jy sigma=0.001264 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 (-6, -7.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0182796 Jy ! Component: 100 - total flux cleaned = 0.0222885 Jy ! Component: 150 - total flux cleaned = 0.0235157 Jy ! Component: 200 - total flux cleaned = 0.0245925 Jy ! Total flux subtracted in 200 components = 0.0245925 Jy ! Clean residual min=-0.017715 max=0.011241 Jy/beam ! Clean residual mean=-0.000071 rms=0.003439 Jy/beam ! Combined flux in latest and established models = 2.10823 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 2.10823 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165319Jy sigma=0.001246 ! Fit after self-cal, rms=0.165222Jy sigma=0.001245 ! 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=0.165222Jy sigma=0.001245 ! Fit after self-cal, rms=0.161343Jy sigma=0.001212 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.031 mas, bmaj=3.99 mas, bpa=-5.532 degrees ! Estimated noise=1467.92 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00232759 Jy ! Component: 100 - total flux cleaned = 0.00206374 Jy ! Component: 150 - total flux cleaned = 0.00229273 Jy ! Component: 200 - total flux cleaned = 0.00268172 Jy ! Total flux subtracted in 200 components = 0.00268172 Jy ! Clean residual min=-0.010282 max=0.011419 Jy/beam ! Clean residual mean=0.000108 rms=0.002360 Jy/beam ! Combined flux in latest and established models = 2.11091 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 79 components and 2.11091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160578Jy sigma=0.001206 ! Fit after self-cal, rms=0.160578Jy sigma=0.001206 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 (-3.4, -3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00393494 Jy ! Component: 100 - total flux cleaned = 0.00443988 Jy ! Component: 150 - total flux cleaned = 0.0055253 Jy ! Component: 200 - total flux cleaned = 0.00628555 Jy ! Total flux subtracted in 200 components = 0.00628555 Jy ! Clean residual min=-0.009364 max=0.007469 Jy/beam ! Clean residual mean=0.000084 rms=0.002109 Jy/beam ! Combined flux in latest and established models = 2.11719 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 88 components and 2.11719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159628Jy sigma=0.001200 ! Fit after self-cal, rms=0.159584Jy sigma=0.001200 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.159584Jy sigma=0.001200 ! Fit after self-cal, rms=0.159543Jy sigma=0.001199 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.278 mas, bmaj=4.786 mas, bpa=-3.144 degrees ! Estimated noise=1738.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159502 Jy ! Component: 100 - total flux cleaned = 0.00232148 Jy ! Component: 150 - total flux cleaned = 0.00281123 Jy ! Component: 200 - total flux cleaned = 0.00353019 Jy ! Total flux subtracted in 200 components = 0.00353019 Jy ! Clean residual min=-0.007664 max=0.007192 Jy/beam ! Clean residual mean=0.000151 rms=0.002219 Jy/beam ! Combined flux in latest and established models = 2.12072 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 107 components and 2.12072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159211Jy sigma=0.001197 ! Fit after self-cal, rms=0.159193Jy sigma=0.001197 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 = 0.000454169 Jy ! Component: 100 - total flux cleaned = 0.000935688 Jy ! Component: 150 - total flux cleaned = 0.00125872 Jy ! Component: 200 - total flux cleaned = 0.00135937 Jy ! Total flux subtracted in 200 components = 0.00135937 Jy ! Clean residual min=-0.007721 max=0.007112 Jy/beam ! Clean residual mean=0.000139 rms=0.002167 Jy/beam ! Combined flux in latest and established models = 2.12208 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 117 components and 2.12208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159067Jy sigma=0.001196 ! Fit after self-cal, rms=0.159059Jy sigma=0.001196 ! 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=1.03 mas, bmaj=3.99 mas, bpa=-5.522 degrees ! Estimated noise=1467.92 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.03 x 3.99 at -5.522 degrees (North through East) ! Clean map min=-0.0090665 max=1.9042 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=0.159059Jy sigma=0.001196 ! Fit after self-cal, rms=0.146228Jy sigma=0.001092 ! Inverting map and beam ! Estimated beam: bmin=1.029 mas, bmaj=3.99 mas, bpa=-5.52 degrees ! Estimated noise=1468.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000908643 Jy ! Component: 100 - total flux cleaned = 0.000566154 Jy ! Component: 150 - total flux cleaned = 0.000848955 Jy ! Component: 200 - total flux cleaned = 0.00111235 Jy ! Total flux subtracted in 200 components = 0.00111235 Jy ! Clean residual min=-0.007843 max=0.006934 Jy/beam ! Clean residual mean=0.000096 rms=0.001865 Jy/beam ! Combined flux in latest and established models = 2.12319 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 133 components and 2.12319 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145860Jy sigma=0.001089 ! Fit after self-cal, rms=0.145849Jy sigma=0.001089 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.17209e-06 Jy ! Component: 100 - total flux cleaned = 0.000116264 Jy ! Component: 150 - total flux cleaned = 0.000115392 Jy ! Component: 200 - total flux cleaned = 1.27915e-05 Jy ! Total flux subtracted in 200 components = 1.27915e-05 Jy ! Clean residual min=-0.007520 max=0.007010 Jy/beam ! Clean residual mean=0.000095 rms=0.001821 Jy/beam ! Combined flux in latest and established models = 2.12321 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 140 components and 2.12321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145663Jy sigma=0.001088 ! Fit after self-cal, rms=0.145658Jy sigma=0.001088 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145658Jy sigma=0.001088 ! Fit after self-cal, rms=0.145615Jy sigma=0.001088 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=0.8909 mas, bmaj=3.619 mas, bpa=-5.455 degrees ! Estimated noise=1888.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.50412 Jy ! Component: 100 - total flux cleaned = 1.83249 Jy ! Component: 150 - total flux cleaned = 1.9192 Jy ! Component: 200 - total flux cleaned = 1.96809 Jy ! Total flux subtracted in 200 components = 1.96809 Jy ! Clean residual min=-0.015047 max=0.026855 Jy/beam ! Clean residual mean=0.000417 rms=0.005062 Jy/beam ! Combined flux in latest and established models = 1.96809 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 22 model components to the UV plane model. ! The established model now contains 22 components and 1.96809 Jy ! Inverting map and beam ! Estimated beam: bmin=1.029 mas, bmaj=3.991 mas, bpa=-5.52 degrees ! Estimated noise=1468.64 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 = 0.0510525 Jy ! Component: 100 - total flux cleaned = 0.0816773 Jy ! Component: 150 - total flux cleaned = 0.101463 Jy ! Component: 200 - total flux cleaned = 0.115302 Jy ! Total flux subtracted in 200 components = 0.115302 Jy ! Clean residual min=-0.006858 max=0.011108 Jy/beam ! Clean residual mean=0.000260 rms=0.002430 Jy/beam ! Combined flux in latest and established models = 2.08339 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 84 components and 2.08339 Jy ! Inverting map ! Added new window around map position (0.2, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114998 Jy ! Component: 100 - total flux cleaned = 0.0199829 Jy ! Component: 150 - total flux cleaned = 0.0266919 Jy ! Component: 200 - total flux cleaned = 0.0312811 Jy ! Total flux subtracted in 200 components = 0.0312811 Jy ! Clean residual min=-0.005831 max=0.007356 Jy/beam ! Clean residual mean=0.000124 rms=0.001873 Jy/beam ! Combined flux in latest and established models = 2.11467 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 111 components and 2.11467 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.278 mas, bmaj=4.788 mas, bpa=-3.114 degrees ! Estimated noise=1740.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00587919 Jy ! Component: 100 - total flux cleaned = 0.00692243 Jy ! Component: 150 - total flux cleaned = 0.0075311 Jy ! Component: 200 - total flux cleaned = 0.00807259 Jy ! Total flux subtracted in 200 components = 0.00807259 Jy ! Clean residual min=-0.006770 max=0.006737 Jy/beam ! Clean residual mean=0.000168 rms=0.001973 Jy/beam ! Combined flux in latest and established models = 2.12274 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 = 0.000594878 Jy ! Component: 100 - total flux cleaned = 0.00102724 Jy ! Component: 150 - total flux cleaned = 0.00142114 Jy ! Component: 200 - total flux cleaned = 0.00168869 Jy ! Total flux subtracted in 200 components = 0.00168869 Jy ! Clean residual min=-0.006483 max=0.006579 Jy/beam ! Clean residual mean=0.000153 rms=0.001909 Jy/beam ! Combined flux in latest and established models = 2.12443 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 136 components and 2.12443 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.029 mas, bmaj=3.991 mas, bpa=-5.52 degrees ! Estimated noise=1468.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000930842 Jy ! Component: 100 - total flux cleaned = -0.00147078 Jy ! Component: 150 - total flux cleaned = -0.00136022 Jy ! Component: 200 - total flux cleaned = -0.00136172 Jy ! Total flux subtracted in 200 components = -0.00136172 Jy ! Clean residual min=-0.005122 max=0.007090 Jy/beam ! Clean residual mean=0.000085 rms=0.001662 Jy/beam ! Combined flux in latest and established models = 2.12307 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 157 components and 2.12307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145137Jy sigma=0.001085 ! Fit after self-cal, rms=0.144950Jy sigma=0.001084 wmodel J2258-2758_X_2008_04_02_pus_map.mod ! Writing 157 model components to file: J2258-2758_X_2008_04_02_pus_map.mod wobs J2258-2758_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2258-2758_X_2008_04_02_pus_uvs.fits wwins J2258-2758_X_2008_04_02_pus_map.win ! wwins: Wrote 5 windows to J2258-2758_X_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 = 0.00291086 Jy ! Component: 100 - total flux cleaned = 0.00458015 Jy ! Component: 150 - total flux cleaned = 0.00595711 Jy ! Component: 200 - total flux cleaned = 0.00734849 Jy ! Component: 250 - total flux cleaned = 0.00801688 Jy ! Component: 300 - total flux cleaned = 0.00882514 Jy ! Component: 350 - total flux cleaned = 0.00929407 Jy ! Component: 400 - total flux cleaned = 0.00959812 Jy ! Component: 450 - total flux cleaned = 0.00982031 Jy ! Component: 500 - total flux cleaned = 0.00996579 Jy ! Component: 550 - total flux cleaned = 0.0104612 Jy ! Component: 600 - total flux cleaned = 0.0105288 Jy ! Component: 650 - total flux cleaned = 0.0105301 Jy ! Component: 700 - total flux cleaned = 0.0108682 Jy ! Component: 750 - total flux cleaned = 0.011198 Jy ! Component: 800 - total flux cleaned = 0.0113275 Jy ! Component: 850 - total flux cleaned = 0.0115831 Jy ! Component: 900 - total flux cleaned = 0.0118964 Jy ! Component: 950 - total flux cleaned = 0.0123276 Jy ! Component: 1000 - total flux cleaned = 0.0124481 Jy ! Component: 1050 - total flux cleaned = 0.012807 Jy ! Component: 1100 - total flux cleaned = 0.0131018 Jy ! Component: 1150 - total flux cleaned = 0.0132751 Jy ! Component: 1200 - total flux cleaned = 0.0136189 Jy ! Component: 1250 - total flux cleaned = 0.0137316 Jy ! Component: 1300 - total flux cleaned = 0.0138992 Jy ! Component: 1350 - total flux cleaned = 0.0139551 Jy ! Component: 1400 - total flux cleaned = 0.0141728 Jy ! Component: 1450 - total flux cleaned = 0.0143884 Jy ! Component: 1500 - total flux cleaned = 0.014548 Jy ! Component: 1550 - total flux cleaned = 0.0148107 Jy ! Component: 1600 - total flux cleaned = 0.0148631 Jy ! Component: 1650 - total flux cleaned = 0.0148641 Jy ! Component: 1700 - total flux cleaned = 0.0151701 Jy ! Component: 1750 - total flux cleaned = 0.0152199 Jy ! Component: 1800 - total flux cleaned = 0.0153695 Jy ! Component: 1850 - total flux cleaned = 0.0156155 Jy ! Component: 1900 - total flux cleaned = 0.0155173 Jy ! Component: 1950 - total flux cleaned = 0.0157101 Jy ! Component: 2000 - total flux cleaned = 0.0158056 Jy ! Total flux subtracted in 2048 components = 0.0157583 Jy ! Clean residual min=-0.002782 max=0.002774 Jy/beam ! Clean residual mean=0.000046 rms=0.000987 Jy/beam ! Combined flux in latest and established models = 2.13883 Jy keep ! Adding 158 model components to the UV plane model. ! The established model now contains 315 components and 2.13883 Jy wmap "J2258-2758_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.029 x 3.991 at -5.52 degrees (North through East) ! Clean map min=-0.0054292 max=1.9143 Jy/beam ! Writing clean map to FITS file: J2258-2758_X_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 1.91432 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000976012 device "J2258-2758_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2258-2758_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.152954 0.152954 0.305909 0.611817 1.22363 2.44727 4.89454 9.78908 19.5782 39.1563 78.3126 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0029 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.914 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.029 x 3.991 at -5.52 degrees (North through East) ! Clean map min=-0.0054292 max=1.9143 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2258-2758_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2258-2758_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2258-2758_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:54:43 2010