! Started logfile: J0423-0120_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:18:31 2010 obs J0423-0120_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0423-0120_X_2008_07_09_pus_uva.fits ! AN table 1: 103 integrations on 105 of 105 possible baselines. ! AN table 2: 41 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0744709 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0423-0120 ! ! 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 1146 lines of history. ! ! Reading 4504 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 = 256 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 = 256x256 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 1234 telescope corrections were flagged in sub-array 1. ! A total of 513 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1233 telescope corrections were flagged in sub-array 1. ! A total of 513 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1233 telescope corrections were flagged in sub-array 1. ! A total of 513 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1240 telescope corrections were flagged in sub-array 1. ! A total of 513 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=2.645478Jy sigma=0.020082 ! Fit after self-cal, rms=2.613494Jy sigma=0.020092 ! 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=0.7668 mas, bmaj=1.755 mas, bpa=-0.7218 degrees ! Estimated noise=2350.38 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 = 2.7347 Jy ! Component: 100 - total flux cleaned = 3.36641 Jy ! Total flux subtracted in 100 components = 3.36641 Jy ! Clean residual min=-0.102731 max=0.229369 Jy/beam ! Clean residual mean=0.001946 rms=0.037168 Jy/beam ! Combined flux in latest and established models = 3.36641 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 3.36641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.567178Jy sigma=0.004122 ! Fit after self-cal, rms=0.567159Jy sigma=0.004121 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.238276 Jy ! Component: 100 - total flux cleaned = 0.372883 Jy ! Total flux subtracted in 100 components = 0.372883 Jy ! Clean residual min=-0.075814 max=0.089449 Jy/beam ! Clean residual mean=0.000726 rms=0.022079 Jy/beam ! Combined flux in latest and established models = 3.73929 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 22 components and 3.73929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.456260Jy sigma=0.002926 ! Fit after self-cal, rms=0.456017Jy sigma=0.002922 ! 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=0.9369 mas, bmaj=2.037 mas, bpa=-3.08 degrees ! Estimated noise=1621.22 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 = 0.119853 Jy ! Component: 100 - total flux cleaned = 0.196108 Jy ! Component: 150 - total flux cleaned = 0.247808 Jy ! Component: 200 - total flux cleaned = 0.283262 Jy ! Total flux subtracted in 200 components = 0.283262 Jy ! Clean residual min=-0.052944 max=0.061698 Jy/beam ! Clean residual mean=-0.000310 rms=0.016460 Jy/beam ! Combined flux in latest and established models = 4.02255 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 35 components and 4.02255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.425927Jy sigma=0.002540 ! Fit after self-cal, rms=0.425873Jy sigma=0.002537 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.98 HH 1.00* HN 1.06 ! KK 1.19 KP 1.00 LA 0.97 MK 0.97 ! NL 0.98 NY 1.06 ON 0.92 PT 0.98 ! SC 0.93 WZ 1.01 ZC 1.03 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.06 ON 1.00 PT 1.00* ! SC 1.00* WZ 1.03 ZC 1.01 ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HH 1.00* HN 0.97 ! KK 1.18 KP 0.95 LA 0.96 MK 0.97 ! NL 0.98 NY 1.09 ON 0.92 PT 0.98 ! SC 0.95 WZ 0.99 ZC 1.02 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.10 ON 1.01 PT 1.00* ! SC 1.00* WZ 1.02 ZC 1.00 ! ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HH 1.00* HN 0.98 ! KK 1.03 KP 0.99 LA 0.99 MK 1.00 ! NL 1.01 NY 1.07 ON 0.90 PT 0.98 ! SC 0.99 WZ 1.00 ZC 1.02 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.09 ON 1.00 PT 1.00* ! SC 1.00* WZ 1.02 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 0.96 ! KK 1.12 KP 0.98 LA 0.99 MK 1.01 ! NL 1.01 NY 1.12 ON 1.11 PT 1.02 ! SC 0.99 WZ 1.00 ZC 1.04 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.13 ON 1.01 PT 1.00* ! SC 1.00* WZ 1.01 ZC 1.03 ! ! ! Fit before self-cal, rms=0.425873Jy sigma=0.002537 ! Fit after self-cal, rms=0.328065Jy sigma=0.001847 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.932 mas, bmaj=2.031 mas, bpa=-2.927 degrees ! Estimated noise=1627.69 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 = 0.005912 Jy ! Component: 100 - total flux cleaned = 0.00351116 Jy ! Component: 150 - total flux cleaned = 0.00273216 Jy ! Component: 200 - total flux cleaned = 0.0030593 Jy ! Total flux subtracted in 200 components = 0.0030593 Jy ! Clean residual min=-0.025066 max=0.037482 Jy/beam ! Clean residual mean=0.000033 rms=0.008415 Jy/beam ! Combined flux in latest and established models = 4.02561 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 38 components and 4.02561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326504Jy sigma=0.001832 ! Fit after self-cal, rms=0.326678Jy sigma=0.001831 ! 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=0.326678Jy sigma=0.001831 ! Fit after self-cal, rms=0.321998Jy sigma=0.001788 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9314 mas, bmaj=2.032 mas, bpa=-2.962 degrees ! Estimated noise=1628.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00117211 Jy ! Component: 100 - total flux cleaned = -0.00118325 Jy ! Component: 150 - total flux cleaned = -0.00153058 Jy ! Component: 200 - total flux cleaned = -0.00186351 Jy ! Total flux subtracted in 200 components = -0.00186351 Jy ! Clean residual min=-0.020602 max=0.040243 Jy/beam ! Clean residual mean=0.000019 rms=0.007639 Jy/beam ! Combined flux in latest and established models = 4.02375 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 40 components and 4.02375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321122Jy sigma=0.001781 ! Fit after self-cal, rms=0.321140Jy sigma=0.001780 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 (-0.6, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0368869 Jy ! Component: 100 - total flux cleaned = 0.0564 Jy ! Component: 150 - total flux cleaned = 0.0650127 Jy ! Component: 200 - total flux cleaned = 0.0650474 Jy ! Total flux subtracted in 200 components = 0.0650474 Jy ! Clean residual min=-0.019125 max=0.019240 Jy/beam ! Clean residual mean=-0.000253 rms=0.005988 Jy/beam ! Combined flux in latest and established models = 4.0888 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 56 components and 4.0888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.317027Jy sigma=0.001728 ! Fit after self-cal, rms=0.316371Jy sigma=0.001725 ! 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=0.316371Jy sigma=0.001725 ! Fit after self-cal, rms=0.277132Jy sigma=0.001560 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9311 mas, bmaj=2.031 mas, bpa=-2.952 degrees ! Estimated noise=1627.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110252 Jy ! Component: 100 - total flux cleaned = 0.0155868 Jy ! Component: 150 - total flux cleaned = 0.0170917 Jy ! Component: 200 - total flux cleaned = 0.0174211 Jy ! Total flux subtracted in 200 components = 0.0174211 Jy ! Clean residual min=-0.012541 max=0.011384 Jy/beam ! Clean residual mean=-0.000261 rms=0.003281 Jy/beam ! Combined flux in latest and established models = 4.10622 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 59 components and 4.10622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275899Jy sigma=0.001546 ! Fit after self-cal, rms=0.275675Jy sigma=0.001545 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 = 0.000911625 Jy ! Component: 100 - total flux cleaned = 0.00230976 Jy ! Component: 150 - total flux cleaned = 0.00279289 Jy ! Component: 200 - total flux cleaned = 0.00343236 Jy ! Total flux subtracted in 200 components = 0.00343236 Jy ! Clean residual min=-0.011048 max=0.011187 Jy/beam ! Clean residual mean=-0.000290 rms=0.002979 Jy/beam ! Combined flux in latest and established models = 4.10965 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 63 components and 4.10965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275150Jy sigma=0.001540 ! Fit after self-cal, rms=0.275074Jy sigma=0.001540 ! 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=0.275074Jy sigma=0.001540 ! Fit after self-cal, rms=0.274809Jy sigma=0.001539 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.915 mas, bmaj=2.963 mas, bpa=6.824 degrees ! Estimated noise=2092.22 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00302618 Jy ! Component: 100 - total flux cleaned = -0.00357056 Jy ! Component: 150 - total flux cleaned = -0.00393836 Jy ! Component: 200 - total flux cleaned = -0.00406659 Jy ! Total flux subtracted in 200 components = -0.00406659 Jy ! Clean residual min=-0.014467 max=0.009678 Jy/beam ! Clean residual mean=-0.000639 rms=0.003648 Jy/beam ! Combined flux in latest and established models = 4.10558 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 72 components and 4.10558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274426Jy sigma=0.001537 ! Fit after self-cal, rms=0.274356Jy sigma=0.001536 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 = 0.000793982 Jy ! Component: 100 - total flux cleaned = 0.00109795 Jy ! Component: 150 - total flux cleaned = 0.000841572 Jy ! Component: 200 - total flux cleaned = 0.000731647 Jy ! Total flux subtracted in 200 components = 0.000731647 Jy ! Clean residual min=-0.013785 max=0.009004 Jy/beam ! Clean residual mean=-0.000655 rms=0.003525 Jy/beam ! Combined flux in latest and established models = 4.10631 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 77 components and 4.10632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274197Jy sigma=0.001536 ! Fit after self-cal, rms=0.274182Jy sigma=0.001535 ! 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=0.9316 mas, bmaj=2.032 mas, bpa=-2.938 degrees ! Estimated noise=1625.71 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9316 x 2.032 at -2.938 degrees (North through East) ! Clean map min=-0.0093172 max=3.5324 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=0.274182Jy sigma=0.001535 ! Fit after self-cal, rms=0.189106Jy sigma=0.001042 ! Inverting map and beam ! Estimated beam: bmin=0.9321 mas, bmaj=2.033 mas, bpa=-2.939 degrees ! Estimated noise=1624.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00394198 Jy ! Component: 100 - total flux cleaned = -0.00458067 Jy ! Component: 150 - total flux cleaned = -0.00517331 Jy ! Component: 200 - total flux cleaned = -0.00569739 Jy ! Total flux subtracted in 200 components = -0.00569739 Jy ! Clean residual min=-0.009482 max=0.008727 Jy/beam ! Clean residual mean=-0.000261 rms=0.002412 Jy/beam ! Combined flux in latest and established models = 4.10062 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 83 components and 4.10062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188628Jy sigma=0.001038 ! Fit after self-cal, rms=0.188608Jy sigma=0.001038 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000544882 Jy ! Component: 100 - total flux cleaned = -0.000979754 Jy ! Component: 150 - total flux cleaned = -0.00152043 Jy ! Component: 200 - total flux cleaned = -0.00189974 Jy ! Total flux subtracted in 200 components = -0.00189974 Jy ! Clean residual min=-0.009262 max=0.008658 Jy/beam ! Clean residual mean=-0.000254 rms=0.002334 Jy/beam ! Combined flux in latest and established models = 4.09872 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 85 components and 4.09872 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188388Jy sigma=0.001036 ! Fit after self-cal, rms=0.188379Jy sigma=0.001036 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188379Jy sigma=0.001036 ! Fit after self-cal, rms=0.188406Jy sigma=0.001035 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=0.7684 mas, bmaj=1.752 mas, bpa=-0.4278 degrees ! Estimated noise=2336.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.7157 Jy ! Component: 100 - total flux cleaned = 3.34033 Jy ! Component: 150 - total flux cleaned = 3.57919 Jy ! Component: 200 - total flux cleaned = 3.71499 Jy ! Total flux subtracted in 200 components = 3.71499 Jy ! Clean residual min=-0.040849 max=0.071524 Jy/beam ! Clean residual mean=0.001065 rms=0.014364 Jy/beam ! Combined flux in latest and established models = 3.71499 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 26 model components to the UV plane model. ! The established model now contains 26 components and 3.71499 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9325 mas, bmaj=2.034 mas, bpa=-2.93 degrees ! Estimated noise=1623.94 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 = 0.110243 Jy ! Component: 100 - total flux cleaned = 0.177965 Jy ! Component: 150 - total flux cleaned = 0.223344 Jy ! Component: 200 - total flux cleaned = 0.25494 Jy ! Total flux subtracted in 200 components = 0.25494 Jy ! Clean residual min=-0.013751 max=0.021716 Jy/beam ! Clean residual mean=0.000260 rms=0.005167 Jy/beam ! Combined flux in latest and established models = 3.96993 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 59 components and 3.96993 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=1.916 mas, bmaj=2.965 mas, bpa=6.791 degrees ! Estimated noise=2086.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0396946 Jy ! Component: 100 - total flux cleaned = 0.0639734 Jy ! Component: 150 - total flux cleaned = 0.0799785 Jy ! Component: 200 - total flux cleaned = 0.0910475 Jy ! Total flux subtracted in 200 components = 0.0910475 Jy ! Clean residual min=-0.011160 max=0.012721 Jy/beam ! Clean residual mean=-0.000186 rms=0.003854 Jy/beam ! Combined flux in latest and established models = 4.06098 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 = 0.00782768 Jy ! Component: 100 - total flux cleaned = 0.0134076 Jy ! Component: 150 - total flux cleaned = 0.0174249 Jy ! Component: 200 - total flux cleaned = 0.0203424 Jy ! Total flux subtracted in 200 components = 0.0203424 Jy ! Clean residual min=-0.010769 max=0.008671 Jy/beam ! Clean residual mean=-0.000388 rms=0.003212 Jy/beam ! Combined flux in latest and established models = 4.08132 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 100 components and 4.08132 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9325 mas, bmaj=2.034 mas, bpa=-2.93 degrees ! Estimated noise=1623.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105672 Jy ! Component: 100 - total flux cleaned = -8.22657e-05 Jy ! Component: 150 - total flux cleaned = 0.000209573 Jy ! Component: 200 - total flux cleaned = 0.00105909 Jy ! Total flux subtracted in 200 components = 0.00105909 Jy ! Clean residual min=-0.010310 max=0.010019 Jy/beam ! Clean residual mean=-0.000178 rms=0.002547 Jy/beam ! Combined flux in latest and established models = 4.08238 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 108 components and 4.08238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189077Jy sigma=0.001043 ! Fit after self-cal, rms=0.188893Jy sigma=0.001043 wmodel J0423-0120_X_2008_07_09_pus_map.mod ! Writing 108 model components to file: J0423-0120_X_2008_07_09_pus_map.mod wobs J0423-0120_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0423-0120_X_2008_07_09_pus_uvs.fits wwins J0423-0120_X_2008_07_09_pus_map.win ! wwins: Wrote 2 windows to J0423-0120_X_2008_07_09_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=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000773198 Jy ! Component: 100 - total flux cleaned = -0.000107048 Jy ! Component: 150 - total flux cleaned = -0.000853603 Jy ! Component: 200 - total flux cleaned = -0.00226323 Jy ! Component: 250 - total flux cleaned = -0.00345825 Jy ! Component: 300 - total flux cleaned = -0.00434407 Jy ! Component: 350 - total flux cleaned = -0.00543394 Jy ! Component: 400 - total flux cleaned = -0.00635752 Jy ! Component: 450 - total flux cleaned = -0.00724535 Jy ! Component: 500 - total flux cleaned = -0.00831295 Jy ! Component: 550 - total flux cleaned = -0.00934469 Jy ! Component: 600 - total flux cleaned = -0.0101436 Jy ! Component: 650 - total flux cleaned = -0.0107283 Jy ! Component: 700 - total flux cleaned = -0.0114849 Jy ! Component: 750 - total flux cleaned = -0.0118511 Jy ! Component: 800 - total flux cleaned = -0.0122975 Jy ! Component: 850 - total flux cleaned = -0.012995 Jy ! Component: 900 - total flux cleaned = -0.0135063 Jy ! Component: 950 - total flux cleaned = -0.0142558 Jy ! Component: 1000 - total flux cleaned = -0.0146659 Jy ! Total flux subtracted in 1024 components = -0.015068 Jy ! Clean residual min=-0.004438 max=0.004295 Jy/beam ! Clean residual mean=-0.000105 rms=0.001601 Jy/beam ! Combined flux in latest and established models = 4.06731 Jy keep ! Adding 52 model components to the UV plane model. ! The established model now contains 159 components and 4.06731 Jy wmap "J0423-0120_X_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9325 x 2.034 at -2.93 degrees (North through East) ! Clean map min=-0.0091211 max=3.5309 Jy/beam ! Writing clean map to FITS file: J0423-0120_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 3.53086 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00159757 device "J0423-0120_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0423-0120_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.135738 0.135738 0.271476 0.542951 1.0859 2.17181 4.34361 8.68722 17.3744 34.7489 69.4978 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0047 print "peak=",int(1000*peak_flux)/1000 ! peak= 3.53 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9325 x 2.034 at -2.93 degrees (North through East) ! Clean map min=-0.0091211 max=3.5309 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0423-0120_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0423-0120_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0423-0120_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:18:33 2010