! Started logfile: J2258-2758_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:45:27 2010 obs J2258-2758_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2258-2758_S_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 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 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 = 0.5 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 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=0.533907Jy sigma=0.003904 ! Fit after self-cal, rms=0.450140Jy sigma=0.003275 ! 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=3.259 mas, bmaj=6.002 mas, bpa=-6.532 degrees ! Estimated noise=2071.38 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 = 0.479261 Jy ! Component: 100 - total flux cleaned = 0.638906 Jy ! Total flux subtracted in 100 components = 0.638906 Jy ! Clean residual min=-0.031921 max=0.077404 Jy/beam ! Clean residual mean=0.000542 rms=0.012921 Jy/beam ! Combined flux in latest and established models = 0.638906 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.638907 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.287558Jy sigma=0.002100 ! Fit after self-cal, rms=0.286571Jy sigma=0.002092 ! Inverting map ! Added new window around map position (-3.5, -3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0956804 Jy ! Component: 100 - total flux cleaned = 0.152995 Jy ! Total flux subtracted in 100 components = 0.152995 Jy ! Clean residual min=-0.023574 max=0.036198 Jy/beam ! Clean residual mean=0.000275 rms=0.008049 Jy/beam ! Combined flux in latest and established models = 0.791902 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.791902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242040Jy sigma=0.001685 ! Fit after self-cal, rms=0.240990Jy sigma=0.001677 ! 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=3.959 mas, bmaj=5.96 mas, bpa=-9.986 degrees ! Estimated noise=1407.06 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 = 0.0538552 Jy ! Component: 100 - total flux cleaned = 0.0813737 Jy ! Component: 150 - total flux cleaned = 0.0968978 Jy ! Component: 200 - total flux cleaned = 0.105955 Jy ! Total flux subtracted in 200 components = 0.105955 Jy ! Clean residual min=-0.017119 max=0.019334 Jy/beam ! Clean residual mean=0.000379 rms=0.005698 Jy/beam ! Combined flux in latest and established models = 0.897857 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 45 components and 0.897857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229192Jy sigma=0.001581 ! Fit after self-cal, rms=0.228529Jy sigma=0.001577 ! 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 0.95 FD 1.05 HH 1.00* HN 1.12 ! KK 1.05 KP 0.99 LA 1.20 MK 0.79 ! NL 0.98 NY 1.00* ON 1.00* OV 1.01 ! PT 1.01 SC 1.04 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 1.00 FD 1.14 HH 1.00* HN 1.17 ! KK 1.00 KP 1.01 LA 1.13 MK 0.82 ! NL 1.01 NY 1.00* ON 1.00* OV 1.00 ! PT 1.00 SC 1.09 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 1.03 FD 1.11 HH 1.00* HN 1.14 ! KK 1.03 KP 1.01 LA 0.87 MK 0.81 ! NL 1.06 NY 1.00* ON 1.00* OV 1.04 ! PT 1.05 SC 0.99 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 1.11 HH 1.00* HN 1.12 ! KK 0.97 KP 0.94 LA 0.73 MK 0.84 ! NL 0.92 NY 1.00* ON 1.00* OV 0.85 ! PT 0.91 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.228529Jy sigma=0.001577 ! Fit after self-cal, rms=0.166830Jy sigma=0.001312 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.798 mas, bmaj=14.79 mas, bpa=-5.765 degrees ! Estimated noise=1439.91 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 (-13, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0170614 Jy ! Component: 100 - total flux cleaned = 0.0241592 Jy ! Component: 150 - total flux cleaned = 0.0264706 Jy ! Component: 200 - total flux cleaned = 0.0269579 Jy ! Total flux subtracted in 200 components = 0.0269579 Jy ! Clean residual min=-0.009147 max=0.008729 Jy/beam ! Clean residual mean=0.000074 rms=0.002519 Jy/beam ! Combined flux in latest and established models = 0.924815 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 71 components and 0.924815 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164700Jy sigma=0.001297 ! Fit after self-cal, rms=0.164673Jy sigma=0.001294 ! 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=0.164673Jy sigma=0.001294 ! Fit after self-cal, rms=0.163567Jy sigma=0.001283 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.785 mas, bmaj=14.79 mas, bpa=-5.713 degrees ! Estimated noise=1440.37 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0081372 Jy ! Component: 100 - total flux cleaned = 0.008822 Jy ! Component: 150 - total flux cleaned = 0.00864758 Jy ! Component: 200 - total flux cleaned = 0.00833295 Jy ! Total flux subtracted in 200 components = 0.00833295 Jy ! Clean residual min=-0.006636 max=0.006487 Jy/beam ! Clean residual mean=-0.000083 rms=0.002052 Jy/beam ! Combined flux in latest and established models = 0.933148 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 89 components and 0.933148 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162930Jy sigma=0.001280 ! Fit after self-cal, rms=0.162875Jy sigma=0.001279 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 = 0.00215647 Jy ! Component: 100 - total flux cleaned = 0.00201041 Jy ! Component: 150 - total flux cleaned = 0.0017473 Jy ! Component: 200 - total flux cleaned = 0.00162599 Jy ! Total flux subtracted in 200 components = 0.00162599 Jy ! Clean residual min=-0.006592 max=0.006265 Jy/beam ! Clean residual mean=-0.000107 rms=0.001978 Jy/beam ! Combined flux in latest and established models = 0.934774 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 105 components and 0.934774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162607Jy sigma=0.001278 ! Fit after self-cal, rms=0.162593Jy sigma=0.001277 ! 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=0.162593Jy sigma=0.001277 ! Fit after self-cal, rms=0.162705Jy sigma=0.001275 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.778 mas, bmaj=14.79 mas, bpa=-5.662 degrees ! Estimated noise=1440.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149464 Jy ! Component: 100 - total flux cleaned = 0.00137151 Jy ! Component: 150 - total flux cleaned = 0.00113635 Jy ! Component: 200 - total flux cleaned = 0.000806057 Jy ! Total flux subtracted in 200 components = 0.000806057 Jy ! Clean residual min=-0.006554 max=0.005776 Jy/beam ! Clean residual mean=-0.000078 rms=0.001848 Jy/beam ! Combined flux in latest and established models = 0.93558 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 117 components and 0.93558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162485Jy sigma=0.001274 ! Fit after self-cal, rms=0.162491Jy sigma=0.001274 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 = 0.000393108 Jy ! Component: 100 - total flux cleaned = -3.12313e-05 Jy ! Component: 150 - total flux cleaned = -0.000225982 Jy ! Component: 200 - total flux cleaned = -0.000317003 Jy ! Total flux subtracted in 200 components = -0.000317003 Jy ! Clean residual min=-0.006393 max=0.005625 Jy/beam ! Clean residual mean=-0.000074 rms=0.001811 Jy/beam ! Combined flux in latest and established models = 0.935263 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 123 components and 0.935263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162350Jy sigma=0.001273 ! Fit after self-cal, rms=0.162348Jy sigma=0.001273 ! 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=0.162348Jy sigma=0.001273 ! Fit after self-cal, rms=0.162472Jy sigma=0.001273 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.844 mas, bmaj=17.27 mas, bpa=-4.386 degrees ! Estimated noise=1715.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000860186 Jy ! Component: 100 - total flux cleaned = 0.000757188 Jy ! Component: 150 - total flux cleaned = 0.000665181 Jy ! Component: 200 - total flux cleaned = 0.000501387 Jy ! Total flux subtracted in 200 components = 0.000501387 Jy ! Clean residual min=-0.007660 max=0.006886 Jy/beam ! Clean residual mean=-0.000097 rms=0.002232 Jy/beam ! Combined flux in latest and established models = 0.935764 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 134 components and 0.935764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162392Jy sigma=0.001272 ! Fit after self-cal, rms=0.162389Jy sigma=0.001272 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 = 0.000378433 Jy ! Component: 100 - total flux cleaned = 0.000223182 Jy ! Component: 150 - total flux cleaned = 7.89675e-05 Jy ! Component: 200 - total flux cleaned = -5.50486e-05 Jy ! Total flux subtracted in 200 components = -5.50486e-05 Jy ! Clean residual min=-0.007594 max=0.006723 Jy/beam ! Clean residual mean=-0.000095 rms=0.002202 Jy/beam ! Combined flux in latest and established models = 0.935709 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 144 components and 0.935709 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162341Jy sigma=0.001272 ! Fit after self-cal, rms=0.162342Jy sigma=0.001272 ! 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=3.775 mas, bmaj=14.79 mas, bpa=-5.633 degrees ! Estimated noise=1440.94 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.775 x 14.79 at -5.633 degrees (North through East) ! Clean map min=-0.00623 max=0.66201 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=0.162342Jy sigma=0.001272 ! Fit after self-cal, rms=0.153107Jy sigma=0.001163 ! Inverting map and beam ! Estimated beam: bmin=3.779 mas, bmaj=14.78 mas, bpa=-5.627 degrees ! Estimated noise=1442.21 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.78206e-06 Jy ! Component: 100 - total flux cleaned = -0.000163478 Jy ! Component: 150 - total flux cleaned = -0.000319403 Jy ! Component: 200 - total flux cleaned = -0.000392017 Jy ! Total flux subtracted in 200 components = -0.000392017 Jy ! Clean residual min=-0.005999 max=0.005184 Jy/beam ! Clean residual mean=-0.000027 rms=0.001721 Jy/beam ! Combined flux in latest and established models = 0.935317 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 164 components and 0.935317 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153009Jy sigma=0.001162 ! Fit after self-cal, rms=0.153016Jy sigma=0.001162 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000161193 Jy ! Component: 100 - total flux cleaned = 1.96751e-05 Jy ! Component: 150 - total flux cleaned = -0.000111034 Jy ! Component: 200 - total flux cleaned = -0.000110766 Jy ! Total flux subtracted in 200 components = -0.000110766 Jy ! Clean residual min=-0.005840 max=0.005042 Jy/beam ! Clean residual mean=-0.000026 rms=0.001706 Jy/beam ! Combined flux in latest and established models = 0.935207 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 171 components and 0.935207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152949Jy sigma=0.001162 ! Fit after self-cal, rms=0.152955Jy sigma=0.001162 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152955Jy sigma=0.001162 ! Fit after self-cal, rms=0.153035Jy sigma=0.001162 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=3.102 mas, bmaj=13.53 mas, bpa=-5.003 degrees ! Estimated noise=2130.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.475224 Jy ! Component: 100 - total flux cleaned = 0.654164 Jy ! Component: 150 - total flux cleaned = 0.74996 Jy ! Component: 200 - total flux cleaned = 0.80134 Jy ! Total flux subtracted in 200 components = 0.80134 Jy ! Clean residual min=-0.012590 max=0.024664 Jy/beam ! Clean residual mean=0.000243 rms=0.004709 Jy/beam ! Combined flux in latest and established models = 0.80134 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.80134 Jy ! Inverting map and beam ! Estimated beam: bmin=3.777 mas, bmaj=14.78 mas, bpa=-5.622 degrees ! Estimated noise=1442.46 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 = 0.0487321 Jy ! Component: 100 - total flux cleaned = 0.0767872 Jy ! Component: 150 - total flux cleaned = 0.094456 Jy ! Component: 200 - total flux cleaned = 0.106229 Jy ! Total flux subtracted in 200 components = 0.106229 Jy ! Clean residual min=-0.006260 max=0.008254 Jy/beam ! Clean residual mean=0.000370 rms=0.002300 Jy/beam ! Combined flux in latest and established models = 0.907569 Jy ! Adding 81 model components to the UV plane model. ! The established model now contains 91 components and 0.907568 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=7.846 mas, bmaj=17.26 mas, bpa=-4.334 degrees ! Estimated noise=1716.86 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119229 Jy ! Component: 100 - total flux cleaned = 0.0166773 Jy ! Component: 150 - total flux cleaned = 0.01794 Jy ! Component: 200 - total flux cleaned = 0.019113 Jy ! Total flux subtracted in 200 components = 0.019113 Jy ! Clean residual min=-0.007418 max=0.006780 Jy/beam ! Clean residual mean=0.000206 rms=0.002340 Jy/beam ! Combined flux in latest and established models = 0.926681 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 = 0.00113747 Jy ! Component: 100 - total flux cleaned = 0.0020338 Jy ! Component: 150 - total flux cleaned = 0.00254747 Jy ! Component: 200 - total flux cleaned = 0.00311221 Jy ! Total flux subtracted in 200 components = 0.00311221 Jy ! Clean residual min=-0.007335 max=0.006320 Jy/beam ! Clean residual mean=0.000125 rms=0.002223 Jy/beam ! Combined flux in latest and established models = 0.929794 Jy ! Adding 90 model components to the UV plane model. ! The established model now contains 168 components and 0.929793 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.777 mas, bmaj=14.78 mas, bpa=-5.622 degrees ! Estimated noise=1442.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000314856 Jy ! Component: 100 - total flux cleaned = 0.000204014 Jy ! Component: 150 - total flux cleaned = 0.000208473 Jy ! Component: 200 - total flux cleaned = 0.000483474 Jy ! Total flux subtracted in 200 components = 0.000483474 Jy ! Clean residual min=-0.005550 max=0.005421 Jy/beam ! Clean residual mean=0.000054 rms=0.001708 Jy/beam ! Combined flux in latest and established models = 0.930277 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 182 components and 0.930277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153081Jy sigma=0.001162 ! Fit after self-cal, rms=0.153035Jy sigma=0.001161 wmodel J2258-2758_S_2008_04_02_pus_map.mod ! Writing 182 model components to file: J2258-2758_S_2008_04_02_pus_map.mod wobs J2258-2758_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2258-2758_S_2008_04_02_pus_uvs.fits wwins J2258-2758_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J2258-2758_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 = -0.00062572 Jy ! Component: 100 - total flux cleaned = -0.00044747 Jy ! Component: 150 - total flux cleaned = -0.000194872 Jy ! Component: 200 - total flux cleaned = -0.000114847 Jy ! Component: 250 - total flux cleaned = -0.000191706 Jy ! Component: 300 - total flux cleaned = -0.000267036 Jy ! Component: 350 - total flux cleaned = -0.000199457 Jy ! Component: 400 - total flux cleaned = -0.000130693 Jy ! Component: 450 - total flux cleaned = 0.000134868 Jy ! Component: 500 - total flux cleaned = 0.000328694 Jy ! Component: 550 - total flux cleaned = 0.000455279 Jy ! Component: 600 - total flux cleaned = 0.000579121 Jy ! Component: 650 - total flux cleaned = 0.000760889 Jy ! Component: 700 - total flux cleaned = 0.000996481 Jy ! Component: 750 - total flux cleaned = 0.000995947 Jy ! Component: 800 - total flux cleaned = 0.00116576 Jy ! Component: 850 - total flux cleaned = 0.00122215 Jy ! Component: 900 - total flux cleaned = 0.00144104 Jy ! Component: 950 - total flux cleaned = 0.00154788 Jy ! Component: 1000 - total flux cleaned = 0.00175818 Jy ! Component: 1050 - total flux cleaned = 0.00186105 Jy ! Component: 1100 - total flux cleaned = 0.00191179 Jy ! Component: 1150 - total flux cleaned = 0.00206119 Jy ! Component: 1200 - total flux cleaned = 0.00201251 Jy ! Component: 1250 - total flux cleaned = 0.00210955 Jy ! Component: 1300 - total flux cleaned = 0.00201421 Jy ! Component: 1350 - total flux cleaned = 0.00206068 Jy ! Component: 1400 - total flux cleaned = 0.0020604 Jy ! Component: 1450 - total flux cleaned = 0.00210609 Jy ! Component: 1500 - total flux cleaned = 0.0021957 Jy ! Component: 1550 - total flux cleaned = 0.00215134 Jy ! Component: 1600 - total flux cleaned = 0.00223862 Jy ! Component: 1650 - total flux cleaned = 0.00236693 Jy ! Component: 1700 - total flux cleaned = 0.00240856 Jy ! Component: 1750 - total flux cleaned = 0.00245045 Jy ! Component: 1800 - total flux cleaned = 0.00249154 Jy ! Component: 1850 - total flux cleaned = 0.00253248 Jy ! Component: 1900 - total flux cleaned = 0.00269377 Jy ! Component: 1950 - total flux cleaned = 0.00281276 Jy ! Component: 2000 - total flux cleaned = 0.00296952 Jy ! Total flux subtracted in 2048 components = 0.0030076 Jy ! Clean residual min=-0.002607 max=0.002222 Jy/beam ! Clean residual mean=0.000044 rms=0.000887 Jy/beam ! Combined flux in latest and established models = 0.933284 Jy keep ! Adding 142 model components to the UV plane model. ! The established model now contains 324 components and 0.933285 Jy wmap "J2258-2758_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.777 x 14.78 at -5.622 degrees (North through East) ! Clean map min=-0.0066021 max=0.66175 Jy/beam ! Writing clean map to FITS file: J2258-2758_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 0.661748 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00089184 device "J2258-2758_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2258-2758_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.404311 0.404311 0.808622 1.61724 3.23449 6.46897 12.9379 25.8759 51.7518 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.661 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.777 x 14.78 at -5.622 degrees (North through East) ! Clean map min=-0.0066021 max=0.66175 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2258-2758_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2258-2758_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2258-2758_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:45:31 2010