! Started logfile: J1955+5131_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:44:06 2010 obs J1955+5131_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1955+5131_S_2008_04_02_pus_uva.fits ! AN table 1: 90 integrations on 120 of 120 possible baselines. ! AN table 2: 22 integrations on 120 of 120 possible baselines. ! AN table 3: 2 integrations on 120 of 120 possible baselines. ! AN table 4: 279 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0907337 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1955+5131 ! ! 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 17116 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 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 999 telescope corrections were flagged in sub-array 1. ! A total of 352 telescope corrections were flagged in sub-array 2. ! A total of 32 telescope corrections were flagged in sub-array 3. ! A total of 3441 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.786294Jy sigma=0.007710 ! Fit after self-cal, rms=0.668306Jy sigma=0.006667 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.214 mas, bmaj=4.678 mas, bpa=-29.86 degrees ! Estimated noise=1108.18 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 = 0.253348 Jy ! Component: 100 - total flux cleaned = 0.329013 Jy ! Total flux subtracted in 100 components = 0.329013 Jy ! Clean residual min=-0.017000 max=0.042656 Jy/beam ! Clean residual mean=0.000447 rms=0.005785 Jy/beam ! Combined flux in latest and established models = 0.329013 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.329013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194657Jy sigma=0.001818 ! Fit after self-cal, rms=0.194490Jy sigma=0.001816 ! Inverting map ! Added new window around map position (-13.5, 5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0436019 Jy ! Component: 100 - total flux cleaned = 0.0716199 Jy ! Total flux subtracted in 100 components = 0.0716199 Jy ! Clean residual min=-0.013281 max=0.033550 Jy/beam ! Clean residual mean=0.000413 rms=0.004539 Jy/beam ! Combined flux in latest and established models = 0.400633 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 29 components and 0.400633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176780Jy sigma=0.001641 ! Fit after self-cal, rms=0.176018Jy sigma=0.001634 ! Inverting map ! Added new window around map position (-7.5, 4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0305149 Jy ! Component: 100 - total flux cleaned = 0.0493646 Jy ! Total flux subtracted in 100 components = 0.0493646 Jy ! Clean residual min=-0.010684 max=0.018234 Jy/beam ! Clean residual mean=0.000400 rms=0.003730 Jy/beam ! Combined flux in latest and established models = 0.449997 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 48 components and 0.449997 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166331Jy sigma=0.001538 ! Fit after self-cal, rms=0.165869Jy sigma=0.001534 ! 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=4.111 mas, bmaj=5.774 mas, bpa=-35.04 degrees ! Estimated noise=565.089 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 = 0.0299172 Jy ! Component: 100 - total flux cleaned = 0.0496611 Jy ! Component: 150 - total flux cleaned = 0.0636927 Jy ! Component: 200 - total flux cleaned = 0.0738045 Jy ! Total flux subtracted in 200 components = 0.0738045 Jy ! Clean residual min=-0.010091 max=0.014057 Jy/beam ! Clean residual mean=0.001643 rms=0.003633 Jy/beam ! Combined flux in latest and established models = 0.523802 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 85 components and 0.523802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158668Jy sigma=0.001471 ! Fit after self-cal, rms=0.158305Jy sigma=0.001467 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.08 HH 1.00* HN 1.07 ! KK 1.10 KP 0.97 LA 1.32 MK 0.83 ! NL 0.92 NY 1.00* ON 1.00* OV 0.94 ! PT 0.97 SC 1.00* 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* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 1.09 HH 1.00* HN 1.06 ! KK 1.00* KP 0.97 LA 1.17 MK 0.83 ! NL 0.93 NY 1.00* ON 1.00* OV 0.90 ! PT 0.96 SC 1.11 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.13 HH 1.00* HN 1.17 ! KK 1.02 KP 0.99 LA 1.37 MK 0.85 ! NL 0.97 NY 1.00* ON 1.00* OV 0.96 ! PT 0.97 SC 1.00* 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* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.23 FD 1.17 HH 1.00* HN 1.12 ! KK 1.00* KP 1.00 LA 1.08 MK 0.93 ! NL 0.98 NY 1.00* ON 1.00* OV 0.98 ! PT 0.96 SC 1.13 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.15 HH 1.00* HN 1.14 ! KK 1.04 KP 0.98 LA 0.91 MK 0.85 ! NL 0.97 NY 1.00* ON 1.00* OV 0.97 ! PT 1.02 SC 1.00* 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* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.08 FD 1.19 HH 1.00* HN 1.14 ! KK 1.00* KP 1.02 LA 0.85 MK 0.91 ! NL 1.00 NY 1.00* ON 1.00* OV 0.96 ! PT 1.01 SC 1.13 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.11 HH 1.00* HN 1.06 ! KK 1.03 KP 0.90 LA 0.77 MK 0.88 ! NL 0.88 NY 1.00* ON 1.00* OV 0.83 ! PT 0.87 SC 1.00* 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* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 168 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 1.15 HH 1.00* HN 1.05 ! KK 1.00* KP 0.94 LA 0.70 MK 0.97 ! NL 0.90 NY 1.00* ON 1.00* OV 0.79 ! PT 0.88 SC 1.13 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.158305Jy sigma=0.001467 ! Fit after self-cal, rms=0.139235Jy sigma=0.001295 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.188 mas, bmaj=5.689 mas, bpa=-35.29 degrees ! Estimated noise=569.144 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 (-42, 18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102885 Jy ! Component: 100 - total flux cleaned = 0.0169072 Jy ! Component: 150 - total flux cleaned = 0.0218509 Jy ! Component: 200 - total flux cleaned = 0.0244417 Jy ! Total flux subtracted in 200 components = 0.0244417 Jy ! Clean residual min=-0.004414 max=0.006325 Jy/beam ! Clean residual mean=0.000604 rms=0.001449 Jy/beam ! Combined flux in latest and established models = 0.548243 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 122 components and 0.548243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138303Jy sigma=0.001284 ! Fit after self-cal, rms=0.138473Jy sigma=0.001283 ! 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=0.138473Jy sigma=0.001283 ! Fit after self-cal, rms=0.137255Jy sigma=0.001274 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.18 mas, bmaj=5.684 mas, bpa=-35.54 degrees ! Estimated noise=567.973 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00412312 Jy ! Component: 100 - total flux cleaned = 0.00537289 Jy ! Component: 150 - total flux cleaned = 0.00613534 Jy ! Component: 200 - total flux cleaned = 0.00662772 Jy ! Total flux subtracted in 200 components = 0.00662772 Jy ! Clean residual min=-0.004043 max=0.004667 Jy/beam ! Clean residual mean=0.000176 rms=0.001288 Jy/beam ! Combined flux in latest and established models = 0.554871 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 138 components and 0.554871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137040Jy sigma=0.001272 ! Fit after self-cal, rms=0.137057Jy sigma=0.001272 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000732634 Jy ! Component: 100 - total flux cleaned = 0.00136258 Jy ! Component: 150 - total flux cleaned = 0.00176701 Jy ! Component: 200 - total flux cleaned = 0.00221019 Jy ! Total flux subtracted in 200 components = 0.00221019 Jy ! Clean residual min=-0.003868 max=0.004591 Jy/beam ! Clean residual mean=0.000143 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 0.557081 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 147 components and 0.557081 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136957Jy sigma=0.001271 ! Fit after self-cal, rms=0.136948Jy sigma=0.001271 ! 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=0.136948Jy sigma=0.001271 ! Fit after self-cal, rms=0.137254Jy sigma=0.001269 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.176 mas, bmaj=5.674 mas, bpa=-35.33 degrees ! Estimated noise=568.115 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00225166 Jy ! Component: 100 - total flux cleaned = 0.00277264 Jy ! Component: 150 - total flux cleaned = 0.00292511 Jy ! Component: 200 - total flux cleaned = 0.0031324 Jy ! Total flux subtracted in 200 components = 0.0031324 Jy ! Clean residual min=-0.003701 max=0.004200 Jy/beam ! Clean residual mean=0.000096 rms=0.001211 Jy/beam ! Combined flux in latest and established models = 0.560214 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 155 components and 0.560214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137157Jy sigma=0.001268 ! Fit after self-cal, rms=0.137159Jy sigma=0.001268 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 = 0.000291814 Jy ! Component: 100 - total flux cleaned = 0.000551272 Jy ! Component: 150 - total flux cleaned = 0.00066982 Jy ! Component: 200 - total flux cleaned = 0.000782084 Jy ! Total flux subtracted in 200 components = 0.000782084 Jy ! Clean residual min=-0.003606 max=0.004220 Jy/beam ! Clean residual mean=0.000084 rms=0.001197 Jy/beam ! Combined flux in latest and established models = 0.560996 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 159 components and 0.560996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137107Jy sigma=0.001268 ! Fit after self-cal, rms=0.137104Jy sigma=0.001268 ! 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=0.137104Jy sigma=0.001268 ! Fit after self-cal, rms=0.137262Jy sigma=0.001268 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.753 mas, bmaj=10.65 mas, bpa=-56.55 degrees ! Estimated noise=677.787 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187306 Jy ! Component: 100 - total flux cleaned = 0.00247107 Jy ! Component: 150 - total flux cleaned = 0.00264954 Jy ! Component: 200 - total flux cleaned = 0.00279557 Jy ! Total flux subtracted in 200 components = 0.00279557 Jy ! Clean residual min=-0.005213 max=0.005913 Jy/beam ! Clean residual mean=0.000137 rms=0.001756 Jy/beam ! Combined flux in latest and established models = 0.563791 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 172 components and 0.563792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137241Jy sigma=0.001267 ! Fit after self-cal, rms=0.137235Jy sigma=0.001267 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 = 0.000127271 Jy ! Component: 100 - total flux cleaned = 0.00035394 Jy ! Component: 150 - total flux cleaned = 0.000385652 Jy ! Component: 200 - total flux cleaned = 0.000411716 Jy ! Total flux subtracted in 200 components = 0.000411716 Jy ! Clean residual min=-0.005183 max=0.005976 Jy/beam ! Clean residual mean=0.000127 rms=0.001761 Jy/beam ! Combined flux in latest and established models = 0.564203 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 181 components and 0.564203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137232Jy sigma=0.001267 ! Fit after self-cal, rms=0.137229Jy sigma=0.001267 ! 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=4.172 mas, bmaj=5.668 mas, bpa=-35.08 degrees ! Estimated noise=568.274 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.172 x 5.668 at -35.08 degrees (North through East) ! Clean map min=-0.0035367 max=0.3313 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 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.277 mas, bmaj=4.546 mas, bpa=-28.82 degrees ! Estimated noise=1145.32 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.248749 Jy ! Component: 100 - total flux cleaned = 0.330646 Jy ! Component: 150 - total flux cleaned = 0.379261 Jy ! Component: 200 - total flux cleaned = 0.41289 Jy ! Total flux subtracted in 200 components = 0.41289 Jy ! Clean residual min=-0.011552 max=0.019289 Jy/beam ! Clean residual mean=0.000186 rms=0.003323 Jy/beam ! Combined flux in latest and established models = 0.41289 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 39 model components to the UV plane model. ! The established model now contains 39 components and 0.41289 Jy ! Inverting map and beam ! Estimated beam: bmin=4.172 mas, bmaj=5.668 mas, bpa=-35.08 degrees ! Estimated noise=568.274 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 = 0.0413154 Jy ! Component: 100 - total flux cleaned = 0.0675933 Jy ! Component: 150 - total flux cleaned = 0.0850671 Jy ! Component: 200 - total flux cleaned = 0.0975875 Jy ! Total flux subtracted in 200 components = 0.0975875 Jy ! Clean residual min=-0.004438 max=0.008656 Jy/beam ! Clean residual mean=0.000808 rms=0.002063 Jy/beam ! Combined flux in latest and established models = 0.510478 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 108 components and 0.510478 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=8.753 mas, bmaj=10.65 mas, bpa=-56.55 degrees ! Estimated noise=677.787 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0153444 Jy ! Component: 100 - total flux cleaned = 0.0253106 Jy ! Component: 150 - total flux cleaned = 0.0323047 Jy ! Component: 200 - total flux cleaned = 0.0374119 Jy ! Total flux subtracted in 200 components = 0.0374119 Jy ! Clean residual min=-0.005126 max=0.006609 Jy/beam ! Clean residual mean=0.000565 rms=0.001892 Jy/beam ! Combined flux in latest and established models = 0.54789 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 = 0.00380647 Jy ! Component: 100 - total flux cleaned = 0.00667537 Jy ! Component: 150 - total flux cleaned = 0.00886115 Jy ! Component: 200 - total flux cleaned = 0.010544 Jy ! Total flux subtracted in 200 components = 0.010544 Jy ! Clean residual min=-0.004881 max=0.005551 Jy/beam ! Clean residual mean=0.000275 rms=0.001716 Jy/beam ! Combined flux in latest and established models = 0.558434 Jy ! Adding 124 model components to the UV plane model. ! The established model now contains 215 components and 0.558434 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.172 mas, bmaj=5.668 mas, bpa=-35.08 degrees ! Estimated noise=568.274 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00116775 Jy ! Component: 100 - total flux cleaned = 0.0020297 Jy ! Component: 150 - total flux cleaned = 0.00252386 Jy ! Component: 200 - total flux cleaned = 0.0027438 Jy ! Total flux subtracted in 200 components = 0.0027438 Jy ! Clean residual min=-0.003610 max=0.004306 Jy/beam ! Clean residual mean=0.000106 rms=0.001175 Jy/beam ! Combined flux in latest and established models = 0.561178 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 235 components and 0.561178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137353Jy sigma=0.001268 ! Fit after self-cal, rms=0.137293Jy sigma=0.001267 wmodel J1955+5131_S_2008_04_02_pus_map.mod ! Writing 235 model components to file: J1955+5131_S_2008_04_02_pus_map.mod wobs J1955+5131_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1955+5131_S_2008_04_02_pus_uvs.fits wwins J1955+5131_S_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J1955+5131_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 = 0.00195588 Jy ! Component: 100 - total flux cleaned = 0.00369172 Jy ! Component: 150 - total flux cleaned = 0.00503692 Jy ! Component: 200 - total flux cleaned = 0.00581743 Jy ! Component: 250 - total flux cleaned = 0.00650162 Jy ! Component: 300 - total flux cleaned = 0.00683107 Jy ! Component: 350 - total flux cleaned = 0.00709575 Jy ! Component: 400 - total flux cleaned = 0.00729866 Jy ! Component: 450 - total flux cleaned = 0.00739614 Jy ! Component: 500 - total flux cleaned = 0.00734725 Jy ! Component: 550 - total flux cleaned = 0.00739395 Jy ! Component: 600 - total flux cleaned = 0.00739402 Jy ! Component: 650 - total flux cleaned = 0.00743925 Jy ! Component: 700 - total flux cleaned = 0.00739544 Jy ! Component: 750 - total flux cleaned = 0.0073106 Jy ! Component: 800 - total flux cleaned = 0.00731085 Jy ! Component: 850 - total flux cleaned = 0.0072285 Jy ! Component: 900 - total flux cleaned = 0.00726836 Jy ! Component: 950 - total flux cleaned = 0.00722852 Jy ! Component: 1000 - total flux cleaned = 0.00718997 Jy ! Component: 1050 - total flux cleaned = 0.00722852 Jy ! Component: 1100 - total flux cleaned = 0.00719083 Jy ! Component: 1150 - total flux cleaned = 0.00719115 Jy ! Component: 1200 - total flux cleaned = 0.00722757 Jy ! Component: 1250 - total flux cleaned = 0.00722753 Jy ! Component: 1300 - total flux cleaned = 0.00719267 Jy ! Component: 1350 - total flux cleaned = 0.00722805 Jy ! Component: 1400 - total flux cleaned = 0.00729744 Jy ! Component: 1450 - total flux cleaned = 0.00739877 Jy ! Component: 1500 - total flux cleaned = 0.00739875 Jy ! Component: 1550 - total flux cleaned = 0.00756347 Jy ! Component: 1600 - total flux cleaned = 0.00762777 Jy ! Component: 1650 - total flux cleaned = 0.00762768 Jy ! Component: 1700 - total flux cleaned = 0.00765992 Jy ! Component: 1750 - total flux cleaned = 0.00778524 Jy ! Component: 1800 - total flux cleaned = 0.00778582 Jy ! Component: 1850 - total flux cleaned = 0.00790829 Jy ! Component: 1900 - total flux cleaned = 0.00799858 Jy ! Component: 1950 - total flux cleaned = 0.008058 Jy ! Component: 2000 - total flux cleaned = 0.00814615 Jy ! Total flux subtracted in 2048 components = 0.00817519 Jy ! Clean residual min=-0.001969 max=0.001954 Jy/beam ! Clean residual mean=0.000049 rms=0.000636 Jy/beam ! Combined flux in latest and established models = 0.569353 Jy keep ! Adding 148 model components to the UV plane model. ! The established model now contains 383 components and 0.569353 Jy wmap "J1955+5131_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.172 x 5.668 at -35.08 degrees (North through East) ! Clean map min=-0.0029464 max=0.33217 Jy/beam ! Writing clean map to FITS file: J1955+5131_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 0.332169 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000624425 device "J1955+5131_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1955+5131_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.563952 0.563952 1.1279 2.25581 4.51162 9.02323 18.0465 36.0929 72.1858 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.332 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.172 x 5.668 at -35.08 degrees (North through East) ! Clean map min=-0.0029464 max=0.33217 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1955+5131_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1955+5131_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1955+5131_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:44:12 2010