! Started logfile: J2143+1743_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:44:59 2010 obs J2143+1743_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2143+1743_S_2008_04_02_pus_uva.fits ! AN table 1: 65 integrations on 120 of 120 possible baselines. ! AN table 2: 115 integrations on 120 of 120 possible baselines. ! AN table 3: 120 integrations on 120 of 120 possible baselines. ! AN table 4: 184 integrations on 120 of 120 possible baselines. ! AN table 5: 242 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.103134 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2143+1743 ! ! 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 35940 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 572 telescope corrections were flagged in sub-array 1. ! A total of 1317 telescope corrections were flagged in sub-array 2. ! A total of 1713 telescope corrections were flagged in sub-array 3. ! A total of 1781 telescope corrections were flagged in sub-array 4. ! A total of 2908 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 572 telescope corrections were flagged in sub-array 1. ! A total of 1317 telescope corrections were flagged in sub-array 2. ! A total of 1713 telescope corrections were flagged in sub-array 3. ! A total of 1781 telescope corrections were flagged in sub-array 4. ! A total of 2922 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 572 telescope corrections were flagged in sub-array 1. ! A total of 1343 telescope corrections were flagged in sub-array 2. ! A total of 1713 telescope corrections were flagged in sub-array 3. ! A total of 1716 telescope corrections were flagged in sub-array 4. ! A total of 2971 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 572 telescope corrections were flagged in sub-array 1. ! A total of 1317 telescope corrections were flagged in sub-array 2. ! A total of 1713 telescope corrections were flagged in sub-array 3. ! A total of 1667 telescope corrections were flagged in sub-array 4. ! A total of 3003 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.999780Jy sigma=0.006350 ! Fit after self-cal, rms=0.826936Jy sigma=0.005726 ! 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=2.459 mas, bmaj=2.743 mas, bpa=2.751 degrees ! Estimated noise=1094.12 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 = 0.176068 Jy ! Component: 100 - total flux cleaned = 0.216191 Jy ! Total flux subtracted in 100 components = 0.216191 Jy ! Clean residual min=-0.013983 max=0.018602 Jy/beam ! Clean residual mean=-0.000050 rms=0.002666 Jy/beam ! Combined flux in latest and established models = 0.216191 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.216191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349214Jy sigma=0.001206 ! Fit after self-cal, rms=0.348957Jy sigma=0.001206 ! Inverting map ! Added new window around map position (1.5, -3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0169331 Jy ! Component: 100 - total flux cleaned = 0.0243202 Jy ! Total flux subtracted in 100 components = 0.0243202 Jy ! Clean residual min=-0.013309 max=0.011505 Jy/beam ! Clean residual mean=-0.000076 rms=0.002457 Jy/beam ! Combined flux in latest and established models = 0.240511 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 0.240511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.347345Jy sigma=0.001198 ! Fit after self-cal, rms=0.346924Jy sigma=0.001198 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.84 mas, bmaj=3.216 mas, bpa=-3.582 degrees ! Estimated noise=632.052 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 = 0.00688158 Jy ! Component: 100 - total flux cleaned = 0.00800418 Jy ! Component: 150 - total flux cleaned = 0.00872795 Jy ! Component: 200 - total flux cleaned = 0.00930953 Jy ! Total flux subtracted in 200 components = 0.00930953 Jy ! Clean residual min=-0.010943 max=0.009136 Jy/beam ! Clean residual mean=-0.000083 rms=0.002520 Jy/beam ! Combined flux in latest and established models = 0.24982 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 20 components and 0.24982 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346333Jy sigma=0.001198 ! Fit after self-cal, rms=0.346156Jy sigma=0.001198 ! 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 1.05 FD 1.10 HH 1.00* HN 1.00* ! KK 1.13 KP 1.00 LA 1.22 MK 0.85 ! NL 1.00* NY 1.00* ON 1.00* OV 1.02 ! PT 1.00 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.95 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.71 ON 0.73 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.93 ZC 1.20 ! ! A total of 207 telescope corrections were flagged in sub-array 3. ! 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 51 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.08 FD 1.12 HH 1.27 HN 1.11 ! KK 1.00* KP 1.05 LA 1.24 MK 0.95 ! NL 1.03 NY 0.85 ON 0.88 OV 0.97 ! PT 1.02 SC 1.15 WZ 0.93 ZC 1.18 ! ! A total of 63 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* HH 0.98 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.73 ON 0.67 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.94 ZC 1.21 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.16 HH 1.00* HN 1.00* ! KK 1.03 KP 1.05 LA 1.14 MK 0.91 ! NL 1.00* NY 1.00* ON 1.00* OV 1.02 ! PT 0.98 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.03 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.86 ON 0.72 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.87 ZC 1.16 ! ! A total of 207 telescope corrections were flagged in sub-array 3. ! 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 51 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.10 FD 1.26 HH 1.15 HN 1.20 ! KK 1.00* KP 1.15 LA 1.20 MK 0.94 ! NL 1.06 NY 1.03 ON 0.83 OV 1.07 ! PT 1.06 SC 1.19 WZ 0.89 ZC 1.10 ! ! A total of 66 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! 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 0.74 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.90 ZC 1.03 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.18 HH 1.00* HN 1.00* ! KK 1.11 KP 1.01 LA 0.90 MK 0.94 ! NL 1.00* NY 1.00* ON 1.00* OV 1.04 ! PT 1.09 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.04 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.86 ON 0.75 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.84 ZC 0.90 ! ! A total of 207 telescope corrections were flagged in sub-array 3. ! 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 51 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.18 FD 1.22 HH 1.02 HN 1.20 ! KK 1.00* KP 1.09 LA 0.95 MK 1.02 ! NL 1.16 NY 0.90 ON 0.78 OV 1.03 ! PT 1.01 SC 1.13 WZ 0.78 ZC 1.06 ! ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* HH 1.08 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.80 ON 0.71 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.79 ZC 1.04 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.13 HH 1.00* HN 1.00* ! KK 1.05 KP 0.94 LA 0.74 MK 0.98 ! NL 1.00* NY 1.00* ON 1.00* OV 0.87 ! PT 0.90 SC 1.00* WZ 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.03 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.86 ON 0.78 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.79 ZC 0.92 ! ! A total of 207 telescope corrections were flagged in sub-array 3. ! 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 51 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.06 FD 1.15 HH 1.20 HN 1.07 ! KK 1.00* KP 0.97 LA 0.73 MK 1.04 ! NL 1.02 NY 1.05 ON 0.79 OV 0.85 ! PT 0.95 SC 1.14 WZ 0.80 ZC 1.00 ! ! A total of 3 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.00* FD 1.00* HH 1.04 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.93 ON 0.69 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.75 ZC 0.97 ! ! ! Fit before self-cal, rms=0.346156Jy sigma=0.001198 ! Fit after self-cal, rms=0.277646Jy sigma=0.001162 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.905 mas, bmaj=3.225 mas, bpa=-20.51 degrees ! Estimated noise=642.974 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 = -0.000674567 Jy ! Component: 100 - total flux cleaned = -0.000461839 Jy ! Component: 150 - total flux cleaned = -0.000335518 Jy ! Component: 200 - total flux cleaned = -0.000110114 Jy ! Total flux subtracted in 200 components = -0.000110114 Jy ! Clean residual min=-0.003261 max=0.004573 Jy/beam ! Clean residual mean=0.000029 rms=0.000949 Jy/beam ! Combined flux in latest and established models = 0.24971 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 27 components and 0.24971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277596Jy sigma=0.001162 ! Fit after self-cal, rms=0.275208Jy sigma=0.001159 ! Inverting map ! Added new window around map position (2, 26). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00442317 Jy ! Component: 100 - total flux cleaned = 0.00696334 Jy ! Component: 150 - total flux cleaned = 0.00890478 Jy ! Component: 200 - total flux cleaned = 0.0102322 Jy ! Total flux subtracted in 200 components = 0.0102322 Jy ! Clean residual min=-0.003585 max=0.003763 Jy/beam ! Clean residual mean=0.000014 rms=0.000891 Jy/beam ! Combined flux in latest and established models = 0.259942 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 45 components and 0.259942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275116Jy sigma=0.001159 ! Fit after self-cal, rms=0.275048Jy sigma=0.001158 ! 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=0.275048Jy sigma=0.001158 ! Fit after self-cal, rms=0.267323Jy sigma=0.001158 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.906 mas, bmaj=3.215 mas, bpa=-21.86 degrees ! Estimated noise=641.936 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00223977 Jy ! Component: 100 - total flux cleaned = 0.00303354 Jy ! Component: 150 - total flux cleaned = 0.00337672 Jy ! Component: 200 - total flux cleaned = 0.00358639 Jy ! Total flux subtracted in 200 components = 0.00358639 Jy ! Clean residual min=-0.003181 max=0.003362 Jy/beam ! Clean residual mean=0.000017 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 0.263529 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 50 components and 0.263529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.267277Jy sigma=0.001157 ! Fit after self-cal, rms=0.266674Jy sigma=0.001157 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 = 0.00125372 Jy ! Component: 100 - total flux cleaned = 0.00152174 Jy ! Component: 150 - total flux cleaned = 0.00166601 Jy ! Component: 200 - total flux cleaned = 0.00175969 Jy ! Total flux subtracted in 200 components = 0.00175969 Jy ! Clean residual min=-0.003304 max=0.003227 Jy/beam ! Clean residual mean=0.000015 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 0.265288 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 52 components and 0.265288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266640Jy sigma=0.001157 ! Fit after self-cal, rms=0.266623Jy sigma=0.001157 ! 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=0.266623Jy sigma=0.001157 ! Fit after self-cal, rms=0.264881Jy sigma=0.001157 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.906 mas, bmaj=3.208 mas, bpa=-22.43 degrees ! Estimated noise=641.934 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000787722 Jy ! Component: 100 - total flux cleaned = 0.00104306 Jy ! Component: 150 - total flux cleaned = 0.00132568 Jy ! Component: 200 - total flux cleaned = 0.00150008 Jy ! Total flux subtracted in 200 components = 0.00150008 Jy ! Clean residual min=-0.003081 max=0.003171 Jy/beam ! Clean residual mean=0.000016 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.266788 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 56 components and 0.266788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264852Jy sigma=0.001156 ! Fit after self-cal, rms=0.264697Jy sigma=0.001156 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 = 0.00038384 Jy ! Component: 100 - total flux cleaned = 0.000516856 Jy ! Component: 150 - total flux cleaned = 0.000600961 Jy ! Component: 200 - total flux cleaned = 0.000758182 Jy ! Total flux subtracted in 200 components = 0.000758182 Jy ! Clean residual min=-0.003095 max=0.003070 Jy/beam ! Clean residual mean=0.000015 rms=0.000791 Jy/beam ! Combined flux in latest and established models = 0.267547 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 58 components and 0.267547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264674Jy sigma=0.001156 ! Fit after self-cal, rms=0.264667Jy sigma=0.001156 ! 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=0.264667Jy sigma=0.001156 ! Fit after self-cal, rms=0.263744Jy sigma=0.001156 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.667 mas, bmaj=10.4 mas, bpa=27.08 degrees ! Estimated noise=763.898 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.53782e-05 Jy ! Component: 100 - total flux cleaned = 0.000301436 Jy ! Component: 150 - total flux cleaned = 0.000505643 Jy ! Component: 200 - total flux cleaned = 0.000667211 Jy ! Total flux subtracted in 200 components = 0.000667211 Jy ! Clean residual min=-0.003424 max=0.003852 Jy/beam ! Clean residual mean=0.000037 rms=0.001089 Jy/beam ! Combined flux in latest and established models = 0.268214 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 63 components and 0.268214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263746Jy sigma=0.001156 ! Fit after self-cal, rms=0.263690Jy sigma=0.001156 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 = -1.4831e-05 Jy ! Component: 100 - total flux cleaned = 0.000216173 Jy ! Component: 150 - total flux cleaned = 0.000259116 Jy ! Component: 200 - total flux cleaned = 0.000271429 Jy ! Total flux subtracted in 200 components = 0.000271429 Jy ! Clean residual min=-0.003400 max=0.003870 Jy/beam ! Clean residual mean=0.000037 rms=0.001084 Jy/beam ! Combined flux in latest and established models = 0.268485 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 66 components and 0.268485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263692Jy sigma=0.001156 ! Fit after self-cal, rms=0.263685Jy sigma=0.001156 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=2.905 mas, bmaj=3.202 mas, bpa=-22.76 degrees ! Estimated noise=641.77 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.905 x 3.202 at -22.76 degrees (North through East) ! Clean map min=-0.0027437 max=0.22332 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=2.526 mas, bmaj=2.714 mas, bpa=-27.78 degrees ! Estimated noise=1135.81 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.179974 Jy ! Component: 100 - total flux cleaned = 0.221053 Jy ! Component: 150 - total flux cleaned = 0.237087 Jy ! Component: 200 - total flux cleaned = 0.246891 Jy ! Total flux subtracted in 200 components = 0.246891 Jy ! Clean residual min=-0.005466 max=0.006804 Jy/beam ! Clean residual mean=0.000041 rms=0.001498 Jy/beam ! Combined flux in latest and established models = 0.246891 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.246891 Jy ! Inverting map and beam ! Estimated beam: bmin=2.905 mas, bmaj=3.202 mas, bpa=-22.76 degrees ! Estimated noise=641.77 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) ! Added new window around map position (1, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00730147 Jy ! Component: 100 - total flux cleaned = 0.0117672 Jy ! Component: 150 - total flux cleaned = 0.0149429 Jy ! Component: 200 - total flux cleaned = 0.0169764 Jy ! Total flux subtracted in 200 components = 0.0169764 Jy ! Clean residual min=-0.003247 max=0.003224 Jy/beam ! Clean residual mean=0.000021 rms=0.000829 Jy/beam ! Combined flux in latest and established models = 0.263868 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 41 components and 0.263868 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=8.667 mas, bmaj=10.4 mas, bpa=27.08 degrees ! Estimated noise=763.898 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00194153 Jy ! Component: 100 - total flux cleaned = 0.00325923 Jy ! Component: 150 - total flux cleaned = 0.00410879 Jy ! Component: 200 - total flux cleaned = 0.0043573 Jy ! Total flux subtracted in 200 components = 0.0043573 Jy ! Clean residual min=-0.003427 max=0.003833 Jy/beam ! Clean residual mean=0.000036 rms=0.001074 Jy/beam ! Combined flux in latest and established models = 0.268225 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 = 0.000245015 Jy ! Component: 100 - total flux cleaned = 0.000459119 Jy ! Component: 150 - total flux cleaned = 0.000565819 Jy ! Component: 200 - total flux cleaned = 0.000664308 Jy ! Total flux subtracted in 200 components = 0.000664308 Jy ! Clean residual min=-0.003324 max=0.003902 Jy/beam ! Clean residual mean=0.000035 rms=0.001066 Jy/beam ! Combined flux in latest and established models = 0.268889 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 58 components and 0.268889 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.905 mas, bmaj=3.202 mas, bpa=-22.76 degrees ! Estimated noise=641.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00119351 Jy ! Component: 100 - total flux cleaned = -0.00111811 Jy ! Component: 150 - total flux cleaned = -0.00097562 Jy ! Component: 200 - total flux cleaned = -0.00084427 Jy ! Total flux subtracted in 200 components = -0.00084427 Jy ! Clean residual min=-0.003089 max=0.003148 Jy/beam ! Clean residual mean=0.000017 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.268045 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 67 components and 0.268045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263724Jy sigma=0.001156 ! Fit after self-cal, rms=0.263809Jy sigma=0.001156 wmodel J2143+1743_S_2008_04_02_pus_map.mod ! Writing 67 model components to file: J2143+1743_S_2008_04_02_pus_map.mod wobs J2143+1743_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2143+1743_S_2008_04_02_pus_uvs.fits wwins J2143+1743_S_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J2143+1743_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 = 0.000574855 Jy ! Component: 100 - total flux cleaned = 0.000629054 Jy ! Component: 150 - total flux cleaned = 0.000934767 Jy ! Component: 200 - total flux cleaned = 0.00108043 Jy ! Component: 250 - total flux cleaned = 0.00107927 Jy ! Component: 300 - total flux cleaned = 0.00107814 Jy ! Component: 350 - total flux cleaned = 0.00112208 Jy ! Component: 400 - total flux cleaned = 0.00120795 Jy ! Component: 450 - total flux cleaned = 0.00146007 Jy ! Component: 500 - total flux cleaned = 0.00166581 Jy ! Component: 550 - total flux cleaned = 0.00194825 Jy ! Component: 600 - total flux cleaned = 0.00226379 Jy ! Component: 650 - total flux cleaned = 0.00245767 Jy ! Component: 700 - total flux cleaned = 0.0027623 Jy ! Component: 750 - total flux cleaned = 0.00287475 Jy ! Component: 800 - total flux cleaned = 0.00294892 Jy ! Component: 850 - total flux cleaned = 0.00302176 Jy ! Component: 900 - total flux cleaned = 0.00305778 Jy ! Component: 950 - total flux cleaned = 0.00316411 Jy ! Component: 1000 - total flux cleaned = 0.00326851 Jy ! Component: 1050 - total flux cleaned = 0.00337192 Jy ! Component: 1100 - total flux cleaned = 0.00340584 Jy ! Component: 1150 - total flux cleaned = 0.00337267 Jy ! Component: 1200 - total flux cleaned = 0.00337286 Jy ! Component: 1250 - total flux cleaned = 0.0034057 Jy ! Component: 1300 - total flux cleaned = 0.00337318 Jy ! Component: 1350 - total flux cleaned = 0.00327834 Jy ! Component: 1400 - total flux cleaned = 0.00321578 Jy ! Component: 1450 - total flux cleaned = 0.00315393 Jy ! Component: 1500 - total flux cleaned = 0.00303138 Jy ! Component: 1550 - total flux cleaned = 0.00297091 Jy ! Component: 1600 - total flux cleaned = 0.00282087 Jy ! Component: 1650 - total flux cleaned = 0.00273139 Jy ! Component: 1700 - total flux cleaned = 0.0027315 Jy ! Component: 1750 - total flux cleaned = 0.00261431 Jy ! Component: 1800 - total flux cleaned = 0.00252744 Jy ! Component: 1850 - total flux cleaned = 0.00238424 Jy ! Component: 1900 - total flux cleaned = 0.00232764 Jy ! Component: 1950 - total flux cleaned = 0.0022714 Jy ! Component: 2000 - total flux cleaned = 0.00218708 Jy ! Total flux subtracted in 2048 components = 0.0020767 Jy ! Clean residual min=-0.001661 max=0.001751 Jy/beam ! Clean residual mean=0.000015 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.270122 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 207 components and 0.270122 Jy wmap "J2143+1743_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.905 x 3.202 at -22.76 degrees (North through East) ! Clean map min=-0.0025838 max=0.22166 Jy/beam ! Writing clean map to FITS file: J2143+1743_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 0.221658 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000508308 device "J2143+1743_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2143+1743_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.687962 0.687962 1.37592 2.75185 5.5037 11.0074 22.0148 44.0296 88.0591 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.221 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.905 x 3.202 at -22.76 degrees (North through East) ! Clean map min=-0.0025838 max=0.22166 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2143+1743_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2143+1743_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2143+1743_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:45:09 2010