! Started logfile: J0854+2006_S_2008_07_09_pus_uvs.log on Wed Oct 13 13:14:24 2010 obs J0854+2006_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J0854+2006_S_2008_07_09_pus_uva.fits ! AN table 1: 60 integrations on 105 of 105 possible baselines. ! AN table 2: 20 integrations on 105 of 105 possible baselines. ! AN table 3: 51 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.099382 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0854+2006 ! ! 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 1054 lines of history. ! ! Reading 5468 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 743 telescope corrections were flagged in sub-array 1. ! A total of 160 telescope corrections were flagged in sub-array 2. ! A total of 569 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 743 telescope corrections were flagged in sub-array 1. ! A total of 160 telescope corrections were flagged in sub-array 2. ! A total of 569 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 743 telescope corrections were flagged in sub-array 1. ! A total of 160 telescope corrections were flagged in sub-array 2. ! A total of 569 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 743 telescope corrections were flagged in sub-array 1. ! A total of 160 telescope corrections were flagged in sub-array 2. ! A total of 569 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.642787Jy sigma=0.002706 ! Fit after self-cal, rms=0.371056Jy sigma=0.001696 ! 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=2.718 mas, bmaj=3.668 mas, bpa=-8.122 degrees ! Estimated noise=2022.49 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 = 0.737848 Jy ! Component: 100 - total flux cleaned = 0.925444 Jy ! Total flux subtracted in 100 components = 0.925444 Jy ! Clean residual min=-0.028833 max=0.078348 Jy/beam ! Clean residual mean=-0.000138 rms=0.009218 Jy/beam ! Combined flux in latest and established models = 0.925444 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.925444 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375443Jy sigma=0.001710 ! Fit after self-cal, rms=0.375284Jy sigma=0.001709 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0825636 Jy ! Component: 100 - total flux cleaned = 0.122331 Jy ! Total flux subtracted in 100 components = 0.122331 Jy ! Clean residual min=-0.024963 max=0.038562 Jy/beam ! Clean residual mean=-0.000078 rms=0.006120 Jy/beam ! Combined flux in latest and established models = 1.04777 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 1.04777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346101Jy sigma=0.001470 ! Fit after self-cal, rms=0.345886Jy sigma=0.001469 ! Inverting map ! Added new window around map position (-4.5, -2.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0349876 Jy ! Component: 100 - total flux cleaned = 0.0519177 Jy ! Total flux subtracted in 100 components = 0.0519177 Jy ! Clean residual min=-0.023621 max=0.025794 Jy/beam ! Clean residual mean=-0.000065 rms=0.005289 Jy/beam ! Combined flux in latest and established models = 1.09969 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 28 components and 1.09969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.339417Jy sigma=0.001419 ! Fit after self-cal, rms=0.338986Jy sigma=0.001416 ! 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=3.266 mas, bmaj=4.272 mas, bpa=-9.128 degrees ! Estimated noise=1523.5 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 = 0.0248812 Jy ! Component: 100 - total flux cleaned = 0.0378273 Jy ! Component: 150 - total flux cleaned = 0.0420164 Jy ! Component: 200 - total flux cleaned = 0.0455915 Jy ! Total flux subtracted in 200 components = 0.0455915 Jy ! Clean residual min=-0.023711 max=0.021781 Jy/beam ! Clean residual mean=-0.000258 rms=0.005754 Jy/beam ! Combined flux in latest and established models = 1.14528 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 42 components and 1.14528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.334970Jy sigma=0.001400 ! Fit after self-cal, rms=0.334819Jy sigma=0.001398 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.08 HH 1.00* HN 1.00* ! KK 0.99 KP 1.03 LA 1.02 MK 0.94 ! NL 1.15 NY 1.03 ON 0.96 PT 1.03 ! SC 1.00* WZ 0.90 ZC 0.95 ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.00 HH 1.00* HN 1.00 ! KK 1.00 KP 1.00 LA 0.97 MK 0.96 ! NL 1.00 NY 1.07 ON 1.00* PT 0.99 ! SC 1.08 WZ 1.00* ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 0.99 ON 0.89 PT 1.00* ! SC 1.00* WZ 0.92 ZC 1.00 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.10 HH 1.00* HN 1.00* ! KK 0.90 KP 1.07 LA 0.99 MK 0.94 ! NL 1.10 NY 1.02 ON 1.00 PT 1.08 ! SC 1.00* WZ 0.95 ZC 0.95 ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 HH 1.00* HN 1.00 ! KK 0.91 KP 1.02 LA 0.97 MK 0.95 ! NL 0.95 NY 1.04 ON 1.00* PT 1.02 ! SC 1.05 WZ 1.00* ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 0.96 ON 0.81 PT 1.00* ! SC 1.00* WZ 0.99 ZC 1.02 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.06 HH 1.00* HN 1.00* ! KK 1.03 KP 1.04 LA 1.04 MK 0.93 ! NL 1.20 NY 1.00 ON 0.92 PT 1.10 ! SC 1.00* WZ 0.90 ZC 1.10 ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 HH 1.00* HN 1.00 ! KK 1.03 KP 1.03 LA 0.98 MK 0.96 ! NL 1.04 NY 1.04 ON 1.00* PT 1.01 ! SC 1.07 WZ 1.00* ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 0.99 ON 0.92 PT 1.00* ! SC 1.00* WZ 0.94 ZC 1.06 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.27 FD 1.07 HH 1.00* HN 1.00* ! KK 0.98 KP 1.02 LA 1.03 MK 0.95 ! NL 1.10 NY 0.97 ON 1.00 PT 1.03 ! SC 1.00* WZ 0.90 ZC 0.77 ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.98 HH 1.00* HN 1.02 ! KK 1.00 KP 0.99 LA 0.98 MK 0.96 ! NL 0.99 NY 0.96 ON 1.00* PT 0.98 ! SC 1.08 WZ 1.00* ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! 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 0.93 ON 0.97 PT 1.00* ! SC 1.00* WZ 0.94 ZC 0.81 ! ! ! Fit before self-cal, rms=0.334819Jy sigma=0.001398 ! Fit after self-cal, rms=0.292660Jy sigma=0.001249 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.286 mas, bmaj=4.335 mas, bpa=-10.36 degrees ! Estimated noise=1521.69 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) ! Added new window around map position (-7, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171072 Jy ! Component: 100 - total flux cleaned = 0.0262732 Jy ! Component: 150 - total flux cleaned = 0.0295956 Jy ! Component: 200 - total flux cleaned = 0.0312508 Jy ! Total flux subtracted in 200 components = 0.0312508 Jy ! Clean residual min=-0.007830 max=0.009256 Jy/beam ! Clean residual mean=0.000005 rms=0.002365 Jy/beam ! Combined flux in latest and established models = 1.17654 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 60 components and 1.17654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291549Jy sigma=0.001237 ! Fit after self-cal, rms=0.291535Jy sigma=0.001236 ! 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=0.291535Jy sigma=0.001236 ! Fit after self-cal, rms=0.289782Jy sigma=0.001230 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.283 mas, bmaj=4.33 mas, bpa=-10.75 degrees ! Estimated noise=1522.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00791855 Jy ! Component: 100 - total flux cleaned = 0.0104621 Jy ! Component: 150 - total flux cleaned = 0.0121064 Jy ! Component: 200 - total flux cleaned = 0.0130011 Jy ! Total flux subtracted in 200 components = 0.0130011 Jy ! Clean residual min=-0.007012 max=0.006403 Jy/beam ! Clean residual mean=0.000014 rms=0.001854 Jy/beam ! Combined flux in latest and established models = 1.18954 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 75 components and 1.18954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289492Jy sigma=0.001227 ! Fit after self-cal, rms=0.289543Jy sigma=0.001227 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 = 0.00165875 Jy ! Component: 100 - total flux cleaned = 0.00208157 Jy ! Component: 150 - total flux cleaned = 0.00227162 Jy ! Component: 200 - total flux cleaned = 0.00253145 Jy ! Total flux subtracted in 200 components = 0.00253145 Jy ! Clean residual min=-0.006918 max=0.006197 Jy/beam ! Clean residual mean=0.000011 rms=0.001801 Jy/beam ! Combined flux in latest and established models = 1.19207 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 84 components and 1.19207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289475Jy sigma=0.001226 ! Fit after self-cal, rms=0.289477Jy sigma=0.001226 ! 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=0.289477Jy sigma=0.001226 ! Fit after self-cal, rms=0.289559Jy sigma=0.001226 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.277 mas, bmaj=4.325 mas, bpa=-10.92 degrees ! Estimated noise=1522.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00383753 Jy ! Component: 100 - total flux cleaned = 0.00502317 Jy ! Component: 150 - total flux cleaned = 0.00603981 Jy ! Component: 200 - total flux cleaned = 0.00652819 Jy ! Total flux subtracted in 200 components = 0.00652819 Jy ! Clean residual min=-0.006421 max=0.005842 Jy/beam ! Clean residual mean=0.000018 rms=0.001668 Jy/beam ! Combined flux in latest and established models = 1.1986 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 91 components and 1.1986 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289473Jy sigma=0.001225 ! Fit after self-cal, rms=0.289485Jy sigma=0.001225 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 = 0.000780456 Jy ! Component: 100 - total flux cleaned = 0.00085432 Jy ! Component: 150 - total flux cleaned = 0.000990557 Jy ! Component: 200 - total flux cleaned = 0.00111889 Jy ! Total flux subtracted in 200 components = 0.00111889 Jy ! Clean residual min=-0.006366 max=0.005737 Jy/beam ! Clean residual mean=0.000017 rms=0.001648 Jy/beam ! Combined flux in latest and established models = 1.19971 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 96 components and 1.19971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289452Jy sigma=0.001224 ! Fit after self-cal, rms=0.289454Jy sigma=0.001224 ! 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=0.289454Jy sigma=0.001224 ! Fit after self-cal, rms=0.289517Jy sigma=0.001224 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.674 mas, bmaj=8.422 mas, bpa=18.95 degrees ! Estimated noise=2048.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00257838 Jy ! Component: 100 - total flux cleaned = 0.00378805 Jy ! Component: 150 - total flux cleaned = 0.00410562 Jy ! Component: 200 - total flux cleaned = 0.00415172 Jy ! Total flux subtracted in 200 components = 0.00415172 Jy ! Clean residual min=-0.006566 max=0.006369 Jy/beam ! Clean residual mean=0.000047 rms=0.002126 Jy/beam ! Combined flux in latest and established models = 1.20387 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 109 components and 1.20387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289501Jy sigma=0.001224 ! Fit after self-cal, rms=0.289512Jy sigma=0.001224 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 = 0.000184116 Jy ! Component: 100 - total flux cleaned = 0.000135219 Jy ! Component: 150 - total flux cleaned = 0.00015735 Jy ! Component: 200 - total flux cleaned = 0.000177216 Jy ! Total flux subtracted in 200 components = 0.000177216 Jy ! Clean residual min=-0.006606 max=0.006450 Jy/beam ! Clean residual mean=0.000046 rms=0.002124 Jy/beam ! Combined flux in latest and established models = 1.20404 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 114 components and 1.20404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289501Jy sigma=0.001224 ! Fit after self-cal, rms=0.289510Jy sigma=0.001224 ! 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=3.273 mas, bmaj=4.322 mas, bpa=-11.01 degrees ! Estimated noise=1521.91 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.273 x 4.322 at -11.01 degrees (North through East) ! Clean map min=-0.0057572 max=0.96313 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=0.289510Jy sigma=0.001224 ! Fit after self-cal, rms=0.326508Jy sigma=0.001049 ! Inverting map and beam ! Estimated beam: bmin=3.275 mas, bmaj=4.325 mas, bpa=-10.94 degrees ! Estimated noise=1525.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108128 Jy ! Component: 100 - total flux cleaned = 0.00147855 Jy ! Component: 150 - total flux cleaned = 0.00159548 Jy ! Component: 200 - total flux cleaned = 0.00170559 Jy ! Total flux subtracted in 200 components = 0.00170559 Jy ! Clean residual min=-0.006537 max=0.005291 Jy/beam ! Clean residual mean=0.000025 rms=0.001577 Jy/beam ! Combined flux in latest and established models = 1.20575 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 124 components and 1.20575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326488Jy sigma=0.001048 ! Fit after self-cal, rms=0.326495Jy sigma=0.001048 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000120063 Jy ! Component: 100 - total flux cleaned = 0.000118597 Jy ! Component: 150 - total flux cleaned = 0.000117644 Jy ! Component: 200 - total flux cleaned = 0.000116779 Jy ! Total flux subtracted in 200 components = 0.000116779 Jy ! Clean residual min=-0.006531 max=0.005261 Jy/beam ! Clean residual mean=0.000025 rms=0.001572 Jy/beam ! Combined flux in latest and established models = 1.20587 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 126 components and 1.20587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326484Jy sigma=0.001048 ! Fit after self-cal, rms=0.326493Jy sigma=0.001048 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326493Jy sigma=0.001048 ! Fit after self-cal, rms=0.326833Jy sigma=0.001048 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=2.714 mas, bmaj=3.669 mas, bpa=-9.939 degrees ! Estimated noise=2027.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.733939 Jy ! Component: 100 - total flux cleaned = 0.926039 Jy ! Component: 150 - total flux cleaned = 1.01524 Jy ! Component: 200 - total flux cleaned = 1.06702 Jy ! Total flux subtracted in 200 components = 1.06702 Jy ! Clean residual min=-0.013564 max=0.026571 Jy/beam ! Clean residual mean=-0.000029 rms=0.003999 Jy/beam ! Combined flux in latest and established models = 1.06702 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 15 model components to the UV plane model. ! The established model now contains 15 components and 1.06702 Jy ! Inverting map and beam ! Estimated beam: bmin=3.274 mas, bmaj=4.325 mas, bpa=-10.98 degrees ! Estimated noise=1526.11 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 = 0.0475553 Jy ! Component: 100 - total flux cleaned = 0.0762381 Jy ! Component: 150 - total flux cleaned = 0.0947768 Jy ! Component: 200 - total flux cleaned = 0.107021 Jy ! Total flux subtracted in 200 components = 0.107021 Jy ! Clean residual min=-0.007303 max=0.007989 Jy/beam ! Clean residual mean=0.000066 rms=0.002114 Jy/beam ! Combined flux in latest and established models = 1.17404 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 55 components and 1.17404 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=7.671 mas, bmaj=8.425 mas, bpa=19.08 degrees ! Estimated noise=2053.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0155556 Jy ! Component: 100 - total flux cleaned = 0.0235076 Jy ! Component: 150 - total flux cleaned = 0.0280105 Jy ! Component: 200 - total flux cleaned = 0.0306198 Jy ! Total flux subtracted in 200 components = 0.0306198 Jy ! Clean residual min=-0.006282 max=0.006785 Jy/beam ! Clean residual mean=0.000076 rms=0.002139 Jy/beam ! Combined flux in latest and established models = 1.20466 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 = 0.00128725 Jy ! Component: 100 - total flux cleaned = 0.00157461 Jy ! Component: 150 - total flux cleaned = 0.0018612 Jy ! Component: 200 - total flux cleaned = 0.00207106 Jy ! Total flux subtracted in 200 components = 0.00207106 Jy ! Clean residual min=-0.006247 max=0.006751 Jy/beam ! Clean residual mean=0.000069 rms=0.002086 Jy/beam ! Combined flux in latest and established models = 1.20673 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 113 components and 1.20673 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.274 mas, bmaj=4.325 mas, bpa=-10.98 degrees ! Estimated noise=1526.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000228572 Jy ! Component: 100 - total flux cleaned = -0.00023277 Jy ! Component: 150 - total flux cleaned = -0.000235314 Jy ! Component: 200 - total flux cleaned = -0.000158117 Jy ! Total flux subtracted in 200 components = -0.000158117 Jy ! Clean residual min=-0.006224 max=0.005362 Jy/beam ! Clean residual mean=0.000026 rms=0.001576 Jy/beam ! Combined flux in latest and established models = 1.20657 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 125 components and 1.20657 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.326836Jy sigma=0.001049 ! Fit after self-cal, rms=0.326818Jy sigma=0.001048 wmodel J0854+2006_S_2008_07_09_pus_map.mod ! Writing 125 model components to file: J0854+2006_S_2008_07_09_pus_map.mod wobs J0854+2006_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J0854+2006_S_2008_07_09_pus_uvs.fits wwins J0854+2006_S_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J0854+2006_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 = -0.00163929 Jy ! Component: 100 - total flux cleaned = -0.00212135 Jy ! Component: 150 - total flux cleaned = -0.00303266 Jy ! Component: 200 - total flux cleaned = -0.00355647 Jy ! Component: 250 - total flux cleaned = -0.00389633 Jy ! Component: 300 - total flux cleaned = -0.00472247 Jy ! Component: 350 - total flux cleaned = -0.00536643 Jy ! Component: 400 - total flux cleaned = -0.0059989 Jy ! Component: 450 - total flux cleaned = -0.00630954 Jy ! Component: 500 - total flux cleaned = -0.00653881 Jy ! Component: 550 - total flux cleaned = -0.00646477 Jy ! Component: 600 - total flux cleaned = -0.0064655 Jy ! Component: 650 - total flux cleaned = -0.00653854 Jy ! Component: 700 - total flux cleaned = -0.00661139 Jy ! Component: 750 - total flux cleaned = -0.00682496 Jy ! Component: 800 - total flux cleaned = -0.00689535 Jy ! Component: 850 - total flux cleaned = -0.00703429 Jy ! Component: 900 - total flux cleaned = -0.00703335 Jy ! Component: 950 - total flux cleaned = -0.00703344 Jy ! Component: 1000 - total flux cleaned = -0.00723466 Jy ! Component: 1050 - total flux cleaned = -0.00723351 Jy ! Component: 1100 - total flux cleaned = -0.00710115 Jy ! Component: 1150 - total flux cleaned = -0.00697013 Jy ! Component: 1200 - total flux cleaned = -0.00690545 Jy ! Component: 1250 - total flux cleaned = -0.00690572 Jy ! Component: 1300 - total flux cleaned = -0.00677956 Jy ! Component: 1350 - total flux cleaned = -0.00671813 Jy ! Component: 1400 - total flux cleaned = -0.00677952 Jy ! Component: 1450 - total flux cleaned = -0.00665724 Jy ! Component: 1500 - total flux cleaned = -0.00671804 Jy ! Component: 1550 - total flux cleaned = -0.00659762 Jy ! Component: 1600 - total flux cleaned = -0.00659787 Jy ! Component: 1650 - total flux cleaned = -0.00659798 Jy ! Component: 1700 - total flux cleaned = -0.00665622 Jy ! Component: 1750 - total flux cleaned = -0.0064838 Jy ! Component: 1800 - total flux cleaned = -0.00654112 Jy ! Component: 1850 - total flux cleaned = -0.00654052 Jy ! Component: 1900 - total flux cleaned = -0.00659731 Jy ! Component: 1950 - total flux cleaned = -0.00654105 Jy ! Component: 2000 - total flux cleaned = -0.00648578 Jy ! Total flux subtracted in 2048 components = -0.00659547 Jy ! Clean residual min=-0.002908 max=0.002905 Jy/beam ! Clean residual mean=0.000013 rms=0.001062 Jy/beam ! Combined flux in latest and established models = 1.19998 Jy keep ! Adding 144 model components to the UV plane model. ! The established model now contains 269 components and 1.19998 Jy wmap "J0854+2006_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.274 x 4.325 at -10.98 degrees (North through East) ! Clean map min=-0.0047114 max=0.96641 Jy/beam ! Writing clean map to FITS file: J0854+2006_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 0.96641 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00106064 device "J0854+2006_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J0854+2006_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.32925 0.32925 0.658501 1.317 2.634 5.26801 10.536 21.072 42.144 84.2881 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0031 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.966 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.274 x 4.325 at -10.98 degrees (North through East) ! Clean map min=-0.0047114 max=0.96641 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0854+2006_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J0854+2006_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0854+2006_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 13:14:28 2010