! Started logfile: J2258-2758_S_2008_07_09_pus_uvs.log on Wed Oct 13 14:39:40 2010 obs J2258-2758_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2258-2758_S_2008_07_09_pus_uva.fits ! AN table 1: 244 integrations on 105 of 105 possible baselines. ! AN table 2: 26 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0589418 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 1058 lines of history. ! ! Reading 6684 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 2987 telescope corrections were flagged in sub-array 1. ! A total of 390 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2987 telescope corrections were flagged in sub-array 1. ! A total of 390 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2987 telescope corrections were flagged in sub-array 1. ! A total of 390 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2988 telescope corrections were flagged in sub-array 1. ! A total of 390 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.735800Jy sigma=0.005161 ! Fit after self-cal, rms=0.378157Jy sigma=0.002533 ! 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=2.48 mas, bmaj=7.543 mas, bpa=-12.81 degrees ! Estimated noise=2210.97 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 = 0.509119 Jy ! Component: 100 - total flux cleaned = 0.652712 Jy ! Total flux subtracted in 100 components = 0.652712 Jy ! Clean residual min=-0.040709 max=0.079110 Jy/beam ! Clean residual mean=-0.000144 rms=0.013352 Jy/beam ! Combined flux in latest and established models = 0.652712 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.652712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244029Jy sigma=0.001730 ! Fit after self-cal, rms=0.243650Jy sigma=0.001728 ! Inverting map ! Added new window around map position (-3.5, -3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0892379 Jy ! Component: 100 - total flux cleaned = 0.149071 Jy ! Total flux subtracted in 100 components = 0.149071 Jy ! Clean residual min=-0.022008 max=0.035760 Jy/beam ! Clean residual mean=-0.000088 rms=0.007682 Jy/beam ! Combined flux in latest and established models = 0.801783 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.801783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196845Jy sigma=0.001339 ! Fit after self-cal, rms=0.196048Jy sigma=0.001335 ! 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=2.425 mas, bmaj=7.552 mas, bpa=-14.35 degrees ! Estimated noise=1307.22 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 = 0.0578684 Jy ! Component: 100 - total flux cleaned = 0.0903803 Jy ! Component: 150 - total flux cleaned = 0.110502 Jy ! Component: 200 - total flux cleaned = 0.123745 Jy ! Total flux subtracted in 200 components = 0.123745 Jy ! Clean residual min=-0.011705 max=0.018730 Jy/beam ! Clean residual mean=0.000036 rms=0.003796 Jy/beam ! Combined flux in latest and established models = 0.925528 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 40 components and 0.925528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179866Jy sigma=0.001188 ! Fit after self-cal, rms=0.179557Jy sigma=0.001186 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HH 1.00* HN 1.07 ! KK 1.00* KP 1.00 LA 0.97 MK 1.02 ! NL 1.00 NY 1.00* ON 1.00* PT 0.98 ! SC 0.98 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HH 1.00* HN 1.08 ! KK 1.00* KP 0.98 LA 0.99 MK 1.03 ! NL 0.93 NY 1.00* ON 1.00* PT 1.00 ! SC 0.99 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HH 1.00* HN 1.04 ! KK 1.00* KP 1.00 LA 0.99 MK 0.99 ! NL 1.03 NY 1.00* ON 1.00* PT 1.00 ! SC 0.96 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HH 1.00* HN 1.05 ! KK 1.00* KP 0.97 LA 0.98 MK 0.99 ! NL 0.94 NY 1.00* ON 1.00* PT 0.96 ! SC 1.02 WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! ! Fit before self-cal, rms=0.179557Jy sigma=0.001186 ! Fit after self-cal, rms=0.177974Jy sigma=0.001169 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.494 mas, bmaj=7.543 mas, bpa=-14.16 degrees ! Estimated noise=1313.9 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 (-12, -8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0101581 Jy ! Component: 100 - total flux cleaned = 0.0110829 Jy ! Component: 150 - total flux cleaned = 0.0108483 Jy ! Component: 200 - total flux cleaned = 0.0106475 Jy ! Total flux subtracted in 200 components = 0.0106475 Jy ! Clean residual min=-0.009444 max=0.009975 Jy/beam ! Clean residual mean=0.000052 rms=0.002324 Jy/beam ! Combined flux in latest and established models = 0.936176 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 0.936176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176837Jy sigma=0.001161 ! Fit after self-cal, rms=0.176818Jy sigma=0.001160 ! 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=0.176818Jy sigma=0.001160 ! Fit after self-cal, rms=0.176551Jy sigma=0.001156 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.496 mas, bmaj=7.535 mas, bpa=-14.14 degrees ! Estimated noise=1312.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00303451 Jy ! Component: 100 - total flux cleaned = 0.00325723 Jy ! Component: 150 - total flux cleaned = 0.00342353 Jy ! Component: 200 - total flux cleaned = 0.00341844 Jy ! Total flux subtracted in 200 components = 0.00341844 Jy ! Clean residual min=-0.008393 max=0.008059 Jy/beam ! Clean residual mean=0.000034 rms=0.002021 Jy/beam ! Combined flux in latest and established models = 0.939594 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 71 components and 0.939594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176108Jy sigma=0.001154 ! Fit after self-cal, rms=0.176064Jy sigma=0.001153 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 = 0.0011824 Jy ! Component: 100 - total flux cleaned = 0.00186527 Jy ! Component: 150 - total flux cleaned = 0.00186317 Jy ! Component: 200 - total flux cleaned = 0.00197359 Jy ! Total flux subtracted in 200 components = 0.00197359 Jy ! Clean residual min=-0.007733 max=0.007325 Jy/beam ! Clean residual mean=0.000028 rms=0.001943 Jy/beam ! Combined flux in latest and established models = 0.941568 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 83 components and 0.941568 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175882Jy sigma=0.001152 ! Fit after self-cal, rms=0.175847Jy sigma=0.001152 ! 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=0.175847Jy sigma=0.001152 ! Fit after self-cal, rms=0.175553Jy sigma=0.001149 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.496 mas, bmaj=7.525 mas, bpa=-14.11 degrees ! Estimated noise=1309.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000114407 Jy ! Component: 100 - total flux cleaned = 0.000283559 Jy ! Component: 150 - total flux cleaned = 0.000393925 Jy ! Component: 200 - total flux cleaned = 0.000683875 Jy ! Total flux subtracted in 200 components = 0.000683875 Jy ! Clean residual min=-0.007462 max=0.006283 Jy/beam ! Clean residual mean=0.000026 rms=0.001813 Jy/beam ! Combined flux in latest and established models = 0.942252 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 96 components and 0.942252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175368Jy sigma=0.001147 ! Fit after self-cal, rms=0.175366Jy sigma=0.001147 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 = 0.000243718 Jy ! Component: 100 - total flux cleaned = 0.000820484 Jy ! Component: 150 - total flux cleaned = 0.00116855 Jy ! Component: 200 - total flux cleaned = 0.00133277 Jy ! Total flux subtracted in 200 components = 0.00133277 Jy ! Clean residual min=-0.007066 max=0.005961 Jy/beam ! Clean residual mean=0.000022 rms=0.001759 Jy/beam ! Combined flux in latest and established models = 0.943584 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 109 components and 0.943584 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175276Jy sigma=0.001147 ! Fit after self-cal, rms=0.175261Jy sigma=0.001146 ! 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=0.175261Jy sigma=0.001146 ! Fit after self-cal, rms=0.175277Jy sigma=0.001146 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.063 mas, bmaj=13.98 mas, bpa=3.51 degrees ! Estimated noise=1722.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00210807 Jy ! Component: 100 - total flux cleaned = -0.00112777 Jy ! Component: 150 - total flux cleaned = -0.000256296 Jy ! Component: 200 - total flux cleaned = 0.000357612 Jy ! Total flux subtracted in 200 components = 0.000357612 Jy ! Clean residual min=-0.006649 max=0.008696 Jy/beam ! Clean residual mean=0.000039 rms=0.002271 Jy/beam ! Combined flux in latest and established models = 0.943942 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 122 components and 0.943942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175272Jy sigma=0.001146 ! Fit after self-cal, rms=0.175183Jy sigma=0.001145 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 = -0.000108341 Jy ! Component: 100 - total flux cleaned = 0.000708953 Jy ! Component: 150 - total flux cleaned = 0.00133173 Jy ! Component: 200 - total flux cleaned = 0.00184169 Jy ! Total flux subtracted in 200 components = 0.00184169 Jy ! Clean residual min=-0.006263 max=0.007449 Jy/beam ! Clean residual mean=0.000023 rms=0.002155 Jy/beam ! Combined flux in latest and established models = 0.945784 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 133 components and 0.945783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175265Jy sigma=0.001146 ! Fit after self-cal, rms=0.175209Jy sigma=0.001146 ! 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=2.496 mas, bmaj=7.518 mas, bpa=-14.1 degrees ! Estimated noise=1308.42 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.496 x 7.518 at -14.1 degrees (North through East) ! Clean map min=-0.0074715 max=0.6273 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=0.175209Jy sigma=0.001146 ! Fit after self-cal, rms=0.158865Jy sigma=0.000988 ! Inverting map and beam ! Estimated beam: bmin=2.489 mas, bmaj=7.497 mas, bpa=-14.03 degrees ! Estimated noise=1306.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00189673 Jy ! Component: 100 - total flux cleaned = -0.00167186 Jy ! Component: 150 - total flux cleaned = -0.00117811 Jy ! Component: 200 - total flux cleaned = -0.00109397 Jy ! Total flux subtracted in 200 components = -0.00109397 Jy ! Clean residual min=-0.005841 max=0.005149 Jy/beam ! Clean residual mean=0.000004 rms=0.001487 Jy/beam ! Combined flux in latest and established models = 0.944689 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 154 components and 0.944689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158686Jy sigma=0.000986 ! Fit after self-cal, rms=0.158672Jy sigma=0.000986 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000744125 Jy ! Component: 100 - total flux cleaned = -0.000508137 Jy ! Component: 150 - total flux cleaned = -0.00030031 Jy ! Component: 200 - total flux cleaned = -0.000173709 Jy ! Total flux subtracted in 200 components = -0.000173709 Jy ! Clean residual min=-0.005574 max=0.004953 Jy/beam ! Clean residual mean=0.000003 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 0.944516 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 165 components and 0.944516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158596Jy sigma=0.000986 ! Fit after self-cal, rms=0.158591Jy sigma=0.000986 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158591Jy sigma=0.000986 ! Fit after self-cal, rms=0.158539Jy sigma=0.000985 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=2.485 mas, bmaj=7.492 mas, bpa=-12.33 degrees ! Estimated noise=2236.23 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.50577 Jy ! Component: 100 - total flux cleaned = 0.651878 Jy ! Component: 150 - total flux cleaned = 0.734128 Jy ! Component: 200 - total flux cleaned = 0.789482 Jy ! Total flux subtracted in 200 components = 0.789482 Jy ! Clean residual min=-0.019287 max=0.030135 Jy/beam ! Clean residual mean=-0.000019 rms=0.006343 Jy/beam ! Combined flux in latest and established models = 0.789482 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.789482 Jy ! Inverting map and beam ! Estimated beam: bmin=2.487 mas, bmaj=7.495 mas, bpa=-14.03 degrees ! Estimated noise=1305.88 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 = 0.0523276 Jy ! Component: 100 - total flux cleaned = 0.0834406 Jy ! Component: 150 - total flux cleaned = 0.103771 Jy ! Component: 200 - total flux cleaned = 0.117872 Jy ! Total flux subtracted in 200 components = 0.117872 Jy ! Clean residual min=-0.007729 max=0.008683 Jy/beam ! Clean residual mean=-0.000019 rms=0.002286 Jy/beam ! Combined flux in latest and established models = 0.907354 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 59 components and 0.907354 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=7.092 mas, bmaj=13.96 mas, bpa=3.843 degrees ! Estimated noise=1718.89 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180564 Jy ! Component: 100 - total flux cleaned = 0.0270695 Jy ! Component: 150 - total flux cleaned = 0.0320279 Jy ! Component: 200 - total flux cleaned = 0.0348747 Jy ! Total flux subtracted in 200 components = 0.0348747 Jy ! Clean residual min=-0.005922 max=0.005520 Jy/beam ! Clean residual mean=0.000001 rms=0.001982 Jy/beam ! Combined flux in latest and established models = 0.942229 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 = 0.00102843 Jy ! Component: 100 - total flux cleaned = 0.00132715 Jy ! Component: 150 - total flux cleaned = 0.00159872 Jy ! Component: 200 - total flux cleaned = 0.00174771 Jy ! Total flux subtracted in 200 components = 0.00174771 Jy ! Clean residual min=-0.005678 max=0.005567 Jy/beam ! Clean residual mean=0.000003 rms=0.001959 Jy/beam ! Combined flux in latest and established models = 0.943976 Jy ! Adding 74 model components to the UV plane model. ! The established model now contains 124 components and 0.943976 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.487 mas, bmaj=7.495 mas, bpa=-14.03 degrees ! Estimated noise=1305.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000810404 Jy ! Component: 100 - total flux cleaned = -0.000672021 Jy ! Component: 150 - total flux cleaned = -0.000445235 Jy ! Component: 200 - total flux cleaned = -0.000146312 Jy ! Total flux subtracted in 200 components = -0.000146312 Jy ! Clean residual min=-0.005828 max=0.006543 Jy/beam ! Clean residual mean=0.000003 rms=0.001551 Jy/beam ! Combined flux in latest and established models = 0.94383 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 143 components and 0.94383 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158833Jy sigma=0.000987 ! Fit after self-cal, rms=0.158800Jy sigma=0.000986 wmodel J2258-2758_S_2008_07_09_pus_map.mod ! Writing 143 model components to file: J2258-2758_S_2008_07_09_pus_map.mod wobs J2258-2758_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2258-2758_S_2008_07_09_pus_uvs.fits wwins J2258-2758_S_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J2258-2758_S_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=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000166812 Jy ! Component: 100 - total flux cleaned = -7.53246e-05 Jy ! Component: 150 - total flux cleaned = -0.000166268 Jy ! Component: 200 - total flux cleaned = -0.000251301 Jy ! Component: 250 - total flux cleaned = -0.000408564 Jy ! Component: 300 - total flux cleaned = -0.000334403 Jy ! Component: 350 - total flux cleaned = -0.000335346 Jy ! Component: 400 - total flux cleaned = -0.000126687 Jy ! Component: 450 - total flux cleaned = 7.28071e-06 Jy ! Component: 500 - total flux cleaned = 7.6758e-06 Jy ! Component: 550 - total flux cleaned = 6.97002e-05 Jy ! Component: 600 - total flux cleaned = -0.000116262 Jy ! Component: 650 - total flux cleaned = -0.000115752 Jy ! Component: 700 - total flux cleaned = -0.000292458 Jy ! Component: 750 - total flux cleaned = -0.000522236 Jy ! Component: 800 - total flux cleaned = -0.000579422 Jy ! Component: 850 - total flux cleaned = -0.000746508 Jy ! Component: 900 - total flux cleaned = -0.000963451 Jy ! Component: 950 - total flux cleaned = -0.00112377 Jy ! Component: 1000 - total flux cleaned = -0.00128127 Jy ! Component: 1050 - total flux cleaned = -0.00138487 Jy ! Component: 1100 - total flux cleaned = -0.00178933 Jy ! Component: 1150 - total flux cleaned = -0.00188911 Jy ! Component: 1200 - total flux cleaned = -0.00223292 Jy ! Component: 1250 - total flux cleaned = -0.00261908 Jy ! Component: 1300 - total flux cleaned = -0.00280882 Jy ! Component: 1350 - total flux cleaned = -0.0030895 Jy ! Component: 1400 - total flux cleaned = -0.00336733 Jy ! Component: 1450 - total flux cleaned = -0.00364047 Jy ! Component: 1500 - total flux cleaned = -0.00386485 Jy ! Component: 1550 - total flux cleaned = -0.00413006 Jy ! Component: 1600 - total flux cleaned = -0.00421742 Jy ! Component: 1650 - total flux cleaned = -0.00443351 Jy ! Component: 1700 - total flux cleaned = -0.00464628 Jy ! Component: 1750 - total flux cleaned = -0.00489714 Jy ! Component: 1800 - total flux cleaned = -0.00506218 Jy ! Component: 1850 - total flux cleaned = -0.00522498 Jy ! Component: 1900 - total flux cleaned = -0.00538553 Jy ! Component: 1950 - total flux cleaned = -0.00558413 Jy ! Component: 2000 - total flux cleaned = -0.00570187 Jy ! Total flux subtracted in 2048 components = -0.00581846 Jy ! Clean residual min=-0.002574 max=0.002418 Jy/beam ! Clean residual mean=-0.000012 rms=0.000774 Jy/beam ! Combined flux in latest and established models = 0.938011 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 284 components and 0.938012 Jy wmap "J2258-2758_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.487 x 7.495 at -14.03 degrees (North through East) ! Clean map min=-0.0046326 max=0.63282 Jy/beam ! Writing clean map to FITS file: J2258-2758_S_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 0.63282 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000760594 device "J2258-2758_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2258-2758_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.360573 0.360573 0.721147 1.44229 2.88459 5.76917 11.5383 23.0767 46.1534 92.3068 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.632 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.487 x 7.495 at -14.03 degrees (North through East) ! Clean map min=-0.0046326 max=0.63282 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2258-2758_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2258-2758_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2258-2758_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 14:39:44 2010