! Started logfile: J1751+0939_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:43:14 2010 obs J1751+0939_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1751+0939_S_2008_04_02_pus_uva.fits ! AN table 1: 18 integrations on 120 of 120 possible baselines. ! AN table 2: 42 integrations on 120 of 120 possible baselines. ! AN table 3: 170 integrations on 120 of 120 possible baselines. ! AN table 4: 6 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.136088 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1751+0939 ! ! 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 15416 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 198 telescope corrections were flagged in sub-array 1. ! A total of 419 telescope corrections were flagged in sub-array 2. ! A total of 1784 telescope corrections were flagged in sub-array 3. ! A total of 68 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 419 telescope corrections were flagged in sub-array 2. ! A total of 1784 telescope corrections were flagged in sub-array 3. ! A total of 72 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 419 telescope corrections were flagged in sub-array 2. ! A total of 1784 telescope corrections were flagged in sub-array 3. ! A total of 68 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 202 telescope corrections were flagged in sub-array 1. ! A total of 419 telescope corrections were flagged in sub-array 2. ! A total of 1784 telescope corrections were flagged in sub-array 3. ! A total of 68 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.728206Jy sigma=0.006048 ! Fit after self-cal, rms=0.531716Jy sigma=0.004492 ! 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=2.474 mas, bmaj=4.003 mas, bpa=-11.24 degrees ! Estimated noise=1202.58 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 = 0.388426 Jy ! Component: 100 - total flux cleaned = 0.490954 Jy ! Total flux subtracted in 100 components = 0.490954 Jy ! Clean residual min=-0.014496 max=0.041967 Jy/beam ! Clean residual mean=0.000007 rms=0.004686 Jy/beam ! Combined flux in latest and established models = 0.490954 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.490954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269564Jy sigma=0.001770 ! Fit after self-cal, rms=0.269647Jy sigma=0.001769 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0442268 Jy ! Component: 100 - total flux cleaned = 0.0660225 Jy ! Total flux subtracted in 100 components = 0.0660225 Jy ! Clean residual min=-0.014266 max=0.025101 Jy/beam ! Clean residual mean=-0.000048 rms=0.003596 Jy/beam ! Combined flux in latest and established models = 0.556977 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 0.556977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.257862Jy sigma=0.001610 ! Fit after self-cal, rms=0.257795Jy sigma=0.001609 ! Inverting map ! Added new window around map position (3.5, 5.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0224082 Jy ! Component: 100 - total flux cleaned = 0.0357422 Jy ! Total flux subtracted in 100 components = 0.0357422 Jy ! Clean residual min=-0.014174 max=0.019959 Jy/beam ! Clean residual mean=-0.000086 rms=0.003221 Jy/beam ! Combined flux in latest and established models = 0.592719 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 38 components and 0.592719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254835Jy sigma=0.001564 ! Fit after self-cal, rms=0.254583Jy sigma=0.001561 ! 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=3.57 mas, bmaj=6.183 mas, bpa=-10.9 degrees ! Estimated noise=643.938 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 = 0.01989 Jy ! Component: 100 - total flux cleaned = 0.0307694 Jy ! Component: 150 - total flux cleaned = 0.0371468 Jy ! Component: 200 - total flux cleaned = 0.039816 Jy ! Total flux subtracted in 200 components = 0.039816 Jy ! Clean residual min=-0.012005 max=0.022430 Jy/beam ! Clean residual mean=0.000113 rms=0.003861 Jy/beam ! Combined flux in latest and established models = 0.632535 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 59 components and 0.632535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252864Jy sigma=0.001540 ! Fit after self-cal, rms=0.252680Jy sigma=0.001539 ! Inverting map ! Added new window around map position (15.5, -33.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0187661 Jy ! Component: 100 - total flux cleaned = 0.0277577 Jy ! Component: 150 - total flux cleaned = 0.031339 Jy ! Component: 200 - total flux cleaned = 0.0323304 Jy ! Total flux subtracted in 200 components = 0.0323304 Jy ! Clean residual min=-0.012356 max=0.015431 Jy/beam ! Clean residual mean=-0.000039 rms=0.003157 Jy/beam ! Combined flux in latest and established models = 0.664865 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 80 components and 0.664865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251446Jy sigma=0.001517 ! Fit after self-cal, rms=0.251242Jy sigma=0.001515 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.18 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.80 ON 0.90 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.94 ZC 1.11 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.02 HH 0.98 HN 1.11 ! KK 1.11 KP 1.00 LA 1.24 MK 0.86 ! NL 0.95 NY 0.94 ON 1.27 OV 0.94 ! PT 1.01 SC 1.00* WZ 0.92 ZC 1.11 ! ! A total of 195 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.07 HH 1.00* HN 1.10 ! KK 1.14 KP 1.03 LA 1.24 MK 0.86 ! NL 0.93 NY 0.96 ON 1.06 OV 0.97 ! PT 1.04 SC 1.01 WZ 1.14 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.94 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.80 ON 0.91 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.80 ZC 1.21 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.12 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.10 ON 1.01 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.97 ZC 1.05 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.12 HH 1.29 HN 1.16 ! KK 0.96 KP 1.03 LA 1.11 MK 0.93 ! NL 0.98 NY 0.79 ON 1.04 OV 0.96 ! PT 1.02 SC 1.00* WZ 0.86 ZC 1.31 ! ! A total of 195 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.14 HH 1.00* HN 1.15 ! KK 1.05 KP 1.08 LA 1.15 MK 0.93 ! NL 0.96 NY 1.13 ON 1.05 OV 0.98 ! PT 1.04 SC 1.06 WZ 0.86 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 1.51 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.79 ON 0.93 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.79 ZC 1.14 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.96 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.97 ON 0.87 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.87 ZC 1.03 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.14 HH 0.99 HN 1.13 ! KK 1.05 KP 1.02 LA 0.88 MK 0.88 ! NL 1.00 NY 0.86 ON 1.00 OV 1.00 ! PT 1.04 SC 1.00* WZ 0.98 ZC 0.92 ! ! A total of 195 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 1.15 HH 1.00* HN 1.14 ! KK 1.05 KP 1.03 LA 0.89 MK 0.94 ! NL 1.00 NY 0.93 ON 0.80 OV 0.99 ! PT 1.10 SC 0.95 WZ 0.92 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.99 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.03 ON 1.00 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.85 ZC 1.15 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.94 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.94 ON 0.87 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.73 ZC 1.10 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.07 HH 0.92 HN 1.03 ! KK 1.03 KP 0.93 LA 0.75 MK 0.96 ! NL 0.90 NY 0.99 ON 0.93 OV 0.83 ! PT 0.90 SC 1.00* WZ 0.91 ZC 0.96 ! ! A total of 195 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 FD 1.12 HH 1.00* HN 1.03 ! KK 1.03 KP 0.97 LA 0.76 MK 0.98 ! NL 0.91 NY 1.12 ON 0.89 OV 0.81 ! PT 0.92 SC 0.99 WZ 0.89 ZC 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.86 ON 0.86 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.69 ZC 1.12 ! ! ! Fit before self-cal, rms=0.251242Jy sigma=0.001515 ! Fit after self-cal, rms=0.229425Jy sigma=0.001288 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.631 mas, bmaj=6.162 mas, bpa=-9.93 degrees ! Estimated noise=666.336 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 = -0.00739166 Jy ! Component: 100 - total flux cleaned = -0.00896313 Jy ! Component: 150 - total flux cleaned = -0.0100221 Jy ! Component: 200 - total flux cleaned = -0.010366 Jy ! Total flux subtracted in 200 components = -0.010366 Jy ! Clean residual min=-0.005922 max=0.005275 Jy/beam ! Clean residual mean=-0.000050 rms=0.001503 Jy/beam ! Combined flux in latest and established models = 0.654499 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 98 components and 0.654499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229030Jy sigma=0.001283 ! Fit after self-cal, rms=0.228483Jy sigma=0.001282 ! 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=0.228483Jy sigma=0.001282 ! Fit after self-cal, rms=0.227342Jy sigma=0.001275 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.631 mas, bmaj=6.155 mas, bpa=-9.92 degrees ! Estimated noise=666.391 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00345466 Jy ! Component: 100 - total flux cleaned = -0.00447903 Jy ! Component: 150 - total flux cleaned = -0.00487925 Jy ! Component: 200 - total flux cleaned = -0.00539169 Jy ! Total flux subtracted in 200 components = -0.00539169 Jy ! Clean residual min=-0.004374 max=0.005117 Jy/beam ! Clean residual mean=-0.000021 rms=0.001280 Jy/beam ! Combined flux in latest and established models = 0.649108 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 109 components and 0.649108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227169Jy sigma=0.001273 ! Fit after self-cal, rms=0.227027Jy sigma=0.001273 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 = -0.000343404 Jy ! Component: 100 - total flux cleaned = -0.000723064 Jy ! Component: 150 - total flux cleaned = -0.000793044 Jy ! Component: 200 - total flux cleaned = -0.000917185 Jy ! Total flux subtracted in 200 components = -0.000917185 Jy ! Clean residual min=-0.004366 max=0.004949 Jy/beam ! Clean residual mean=-0.000015 rms=0.001268 Jy/beam ! Combined flux in latest and established models = 0.64819 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 112 components and 0.64819 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226976Jy sigma=0.001272 ! Fit after self-cal, rms=0.226958Jy sigma=0.001272 ! 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=0.226958Jy sigma=0.001272 ! Fit after self-cal, rms=0.226436Jy sigma=0.001267 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.626 mas, bmaj=6.143 mas, bpa=-10.01 degrees ! Estimated noise=666.373 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0013703 Jy ! Component: 100 - total flux cleaned = -0.00212967 Jy ! Component: 150 - total flux cleaned = -0.0022675 Jy ! Component: 200 - total flux cleaned = -0.00221125 Jy ! Total flux subtracted in 200 components = -0.00221125 Jy ! Clean residual min=-0.004043 max=0.004624 Jy/beam ! Clean residual mean=0.000005 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 0.645979 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 119 components and 0.645979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226356Jy sigma=0.001267 ! Fit after self-cal, rms=0.226303Jy sigma=0.001266 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 = -4.34727e-05 Jy ! Component: 100 - total flux cleaned = -4.62931e-05 Jy ! Component: 150 - total flux cleaned = 4.36215e-06 Jy ! Component: 200 - total flux cleaned = 2.40924e-06 Jy ! Total flux subtracted in 200 components = 2.40924e-06 Jy ! Clean residual min=-0.003983 max=0.004557 Jy/beam ! Clean residual mean=0.000006 rms=0.001104 Jy/beam ! Combined flux in latest and established models = 0.645982 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 124 components and 0.645982 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226276Jy sigma=0.001266 ! Fit after self-cal, rms=0.226266Jy sigma=0.001266 ! 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=0.226266Jy sigma=0.001266 ! Fit after self-cal, rms=0.225975Jy sigma=0.001266 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.161 mas, bmaj=10.93 mas, bpa=-8.693 degrees ! Estimated noise=773.363 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000453841 Jy ! Component: 100 - total flux cleaned = 4.50115e-05 Jy ! Component: 150 - total flux cleaned = -4.3832e-05 Jy ! Component: 200 - total flux cleaned = -0.000118098 Jy ! Total flux subtracted in 200 components = -0.000118098 Jy ! Clean residual min=-0.003698 max=0.006166 Jy/beam ! Clean residual mean=0.000012 rms=0.001552 Jy/beam ! Combined flux in latest and established models = 0.645864 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 137 components and 0.645864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225966Jy sigma=0.001266 ! Fit after self-cal, rms=0.225945Jy sigma=0.001266 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 = -8.24879e-05 Jy ! Component: 100 - total flux cleaned = -1.13839e-05 Jy ! Component: 150 - total flux cleaned = -4.4959e-05 Jy ! Component: 200 - total flux cleaned = -1.52186e-05 Jy ! Total flux subtracted in 200 components = -1.52186e-05 Jy ! Clean residual min=-0.003731 max=0.006169 Jy/beam ! Clean residual mean=0.000015 rms=0.001557 Jy/beam ! Combined flux in latest and established models = 0.645848 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 147 components and 0.645849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225937Jy sigma=0.001265 ! Fit after self-cal, rms=0.225936Jy sigma=0.001265 ! 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=3.622 mas, bmaj=6.138 mas, bpa=-10.09 degrees ! Estimated noise=666.431 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.622 x 6.138 at -10.09 degrees (North through East) ! Clean map min=-0.0038539 max=0.53168 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=0.225936Jy sigma=0.001265 ! Fit after self-cal, rms=0.280134Jy sigma=0.001151 ! Inverting map and beam ! Estimated beam: bmin=3.62 mas, bmaj=6.16 mas, bpa=-10.13 degrees ! Estimated noise=666.392 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000251612 Jy ! Component: 100 - total flux cleaned = 6.28698e-05 Jy ! Component: 150 - total flux cleaned = -0.000157425 Jy ! Component: 200 - total flux cleaned = -0.000398136 Jy ! Total flux subtracted in 200 components = -0.000398136 Jy ! Clean residual min=-0.003806 max=0.004244 Jy/beam ! Clean residual mean=-0.000002 rms=0.001021 Jy/beam ! Combined flux in latest and established models = 0.64545 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 155 components and 0.64545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280094Jy sigma=0.001151 ! Fit after self-cal, rms=0.280096Jy sigma=0.001151 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000109436 Jy ! Component: 100 - total flux cleaned = 1.94691e-05 Jy ! Component: 150 - total flux cleaned = -2.43445e-05 Jy ! Component: 200 - total flux cleaned = -6.48335e-05 Jy ! Total flux subtracted in 200 components = -6.48335e-05 Jy ! Clean residual min=-0.003731 max=0.004213 Jy/beam ! Clean residual mean=-0.000001 rms=0.001014 Jy/beam ! Combined flux in latest and established models = 0.645386 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 163 components and 0.645386 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280076Jy sigma=0.001151 ! Fit after self-cal, rms=0.280076Jy sigma=0.001151 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280076Jy sigma=0.001151 ! Fit after self-cal, rms=0.325190Jy sigma=0.001151 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=2.548 mas, bmaj=4.046 mas, bpa=-14.02 degrees ! Estimated noise=1213.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.393098 Jy ! Component: 100 - total flux cleaned = 0.500846 Jy ! Component: 150 - total flux cleaned = 0.548434 Jy ! Component: 200 - total flux cleaned = 0.575627 Jy ! Total flux subtracted in 200 components = 0.575627 Jy ! Clean residual min=-0.007599 max=0.013811 Jy/beam ! Clean residual mean=0.000044 rms=0.002108 Jy/beam ! Combined flux in latest and established models = 0.575627 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.575627 Jy ! Inverting map and beam ! Estimated beam: bmin=3.616 mas, bmaj=6.163 mas, bpa=-10.17 degrees ! Estimated noise=666.666 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 = 0.028202 Jy ! Component: 100 - total flux cleaned = 0.0437104 Jy ! Component: 150 - total flux cleaned = 0.0530536 Jy ! Component: 200 - total flux cleaned = 0.0590113 Jy ! Total flux subtracted in 200 components = 0.0590113 Jy ! Clean residual min=-0.003736 max=0.004750 Jy/beam ! Clean residual mean=0.000044 rms=0.001259 Jy/beam ! Combined flux in latest and established models = 0.634638 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 77 components and 0.634638 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=8.154 mas, bmaj=10.94 mas, bpa=-8.653 degrees ! Estimated noise=774.027 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00614642 Jy ! Component: 100 - total flux cleaned = 0.00789547 Jy ! Component: 150 - total flux cleaned = 0.00870687 Jy ! Component: 200 - total flux cleaned = 0.00934581 Jy ! Total flux subtracted in 200 components = 0.00934581 Jy ! Clean residual min=-0.003888 max=0.005733 Jy/beam ! Clean residual mean=0.000008 rms=0.001521 Jy/beam ! Combined flux in latest and established models = 0.643984 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 = 0.000179745 Jy ! Component: 100 - total flux cleaned = 0.000327693 Jy ! Component: 150 - total flux cleaned = 0.000415837 Jy ! Component: 200 - total flux cleaned = 0.000533645 Jy ! Total flux subtracted in 200 components = 0.000533645 Jy ! Clean residual min=-0.003775 max=0.005772 Jy/beam ! Clean residual mean=0.000004 rms=0.001484 Jy/beam ! Combined flux in latest and established models = 0.644518 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 118 components and 0.644518 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.616 mas, bmaj=6.163 mas, bpa=-10.17 degrees ! Estimated noise=666.666 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000677772 Jy ! Component: 100 - total flux cleaned = -0.000970344 Jy ! Component: 150 - total flux cleaned = -0.0010332 Jy ! Component: 200 - total flux cleaned = -0.00103497 Jy ! Total flux subtracted in 200 components = -0.00103497 Jy ! Clean residual min=-0.003354 max=0.004203 Jy/beam ! Clean residual mean=0.000010 rms=0.001013 Jy/beam ! Combined flux in latest and established models = 0.643483 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 131 components and 0.643483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325491Jy sigma=0.001151 ! Fit after self-cal, rms=0.325571Jy sigma=0.001151 wmodel J1751+0939_S_2008_04_02_pus_map.mod ! Writing 131 model components to file: J1751+0939_S_2008_04_02_pus_map.mod wobs J1751+0939_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1751+0939_S_2008_04_02_pus_uvs.fits wwins J1751+0939_S_2008_04_02_pus_map.win ! wwins: Wrote 3 windows to J1751+0939_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 = 0.00186871 Jy ! Component: 100 - total flux cleaned = 0.00311922 Jy ! Component: 150 - total flux cleaned = 0.00382717 Jy ! Component: 200 - total flux cleaned = 0.00426935 Jy ! Component: 250 - total flux cleaned = 0.00447873 Jy ! Component: 300 - total flux cleaned = 0.00443057 Jy ! Component: 350 - total flux cleaned = 0.00447859 Jy ! Component: 400 - total flux cleaned = 0.00461671 Jy ! Component: 450 - total flux cleaned = 0.00470648 Jy ! Component: 500 - total flux cleaned = 0.00457529 Jy ! Component: 550 - total flux cleaned = 0.00453251 Jy ! Component: 600 - total flux cleaned = 0.00436455 Jy ! Component: 650 - total flux cleaned = 0.00407774 Jy ! Component: 700 - total flux cleaned = 0.00395803 Jy ! Component: 750 - total flux cleaned = 0.00380028 Jy ! Component: 800 - total flux cleaned = 0.00356847 Jy ! Component: 850 - total flux cleaned = 0.00345472 Jy ! Component: 900 - total flux cleaned = 0.00334291 Jy ! Component: 950 - total flux cleaned = 0.00323221 Jy ! Component: 1000 - total flux cleaned = 0.00330526 Jy ! Component: 1050 - total flux cleaned = 0.00326889 Jy ! Component: 1100 - total flux cleaned = 0.00330452 Jy ! Component: 1150 - total flux cleaned = 0.00316326 Jy ! Component: 1200 - total flux cleaned = 0.00312838 Jy ! Component: 1250 - total flux cleaned = 0.00312812 Jy ! Component: 1300 - total flux cleaned = 0.0029578 Jy ! Component: 1350 - total flux cleaned = 0.00285679 Jy ! Component: 1400 - total flux cleaned = 0.00275618 Jy ! Component: 1450 - total flux cleaned = 0.00259044 Jy ! Component: 1500 - total flux cleaned = 0.0024919 Jy ! Component: 1550 - total flux cleaned = 0.00229627 Jy ! Component: 1600 - total flux cleaned = 0.00207089 Jy ! Component: 1650 - total flux cleaned = 0.00194323 Jy ! Component: 1700 - total flux cleaned = 0.00175279 Jy ! Component: 1750 - total flux cleaned = 0.00159558 Jy ! Component: 1800 - total flux cleaned = 0.0014082 Jy ! Component: 1850 - total flux cleaned = 0.00119157 Jy ! Component: 1900 - total flux cleaned = 0.00109939 Jy ! Component: 1950 - total flux cleaned = 0.00082491 Jy ! Component: 2000 - total flux cleaned = 0.0007342 Jy ! Total flux subtracted in 2048 components = 0.000493586 Jy ! Clean residual min=-0.001767 max=0.001751 Jy/beam ! Clean residual mean=-0.000039 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.643977 Jy keep ! Adding 125 model components to the UV plane model. ! The established model now contains 256 components and 0.643977 Jy wmap "J1751+0939_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.616 x 6.163 at -10.17 degrees (North through East) ! Clean map min=-0.0034954 max=0.53482 Jy/beam ! Writing clean map to FITS file: J1751+0939_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 0.53482 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000594726 device "J1751+0939_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1751+0939_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.333604 0.333604 0.667207 1.33441 2.66883 5.33766 10.6753 21.3506 42.7012 85.4025 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.534 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.616 x 6.163 at -10.17 degrees (North through East) ! Clean map min=-0.0034954 max=0.53482 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1751+0939_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1751+0939_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1751+0939_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:43:19 2010