! Started logfile: J0433+0521_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:36:17 2010 obs J0433+0521_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0433+0521_S_2008_04_02_pus_uva.fits ! AN table 1: 45 integrations on 120 of 120 possible baselines. ! AN table 2: 191 integrations on 120 of 120 possible baselines. ! AN table 3: 83 integrations on 120 of 120 possible baselines. ! AN table 4: 23 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0677388 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0433+0521 ! ! 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 11120 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 607 telescope corrections were flagged in sub-array 1. ! A total of 2611 telescope corrections were flagged in sub-array 2. ! A total of 943 telescope corrections were flagged in sub-array 3. ! A total of 368 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 607 telescope corrections were flagged in sub-array 1. ! A total of 2611 telescope corrections were flagged in sub-array 2. ! A total of 943 telescope corrections were flagged in sub-array 3. ! A total of 368 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 607 telescope corrections were flagged in sub-array 1. ! A total of 2611 telescope corrections were flagged in sub-array 2. ! A total of 943 telescope corrections were flagged in sub-array 3. ! A total of 368 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 607 telescope corrections were flagged in sub-array 1. ! A total of 2611 telescope corrections were flagged in sub-array 2. ! A total of 943 telescope corrections were flagged in sub-array 3. ! A total of 368 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.251324Jy sigma=0.008495 ! Fit after self-cal, rms=0.999058Jy sigma=0.006319 ! 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=1.745 mas, bmaj=2.554 mas, bpa=8.725 degrees ! Estimated noise=1759.46 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 = 0.670996 Jy ! Component: 100 - total flux cleaned = 0.965144 Jy ! Total flux subtracted in 100 components = 0.965144 Jy ! Clean residual min=-0.093313 max=0.382802 Jy/beam ! Clean residual mean=0.000940 rms=0.033841 Jy/beam ! Combined flux in latest and established models = 0.965144 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.965144 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.950659Jy sigma=0.006104 ! Fit after self-cal, rms=0.943551Jy sigma=0.006097 ! Inverting map ! Added new window around map position (-11, -5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.343152 Jy ! Component: 100 - total flux cleaned = 0.527963 Jy ! Total flux subtracted in 100 components = 0.527963 Jy ! Clean residual min=-0.072748 max=0.163134 Jy/beam ! Clean residual mean=0.000738 rms=0.023972 Jy/beam ! Combined flux in latest and established models = 1.49311 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 1.49311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.743638Jy sigma=0.004570 ! Fit after self-cal, rms=0.705243Jy sigma=0.004346 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.191528 Jy ! Component: 100 - total flux cleaned = 0.311451 Jy ! Total flux subtracted in 100 components = 0.311451 Jy ! Clean residual min=-0.049999 max=0.122487 Jy/beam ! Clean residual mean=0.000522 rms=0.016994 Jy/beam ! Combined flux in latest and established models = 1.80456 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 33 components and 1.80456 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.612742Jy sigma=0.003623 ! Fit after self-cal, rms=0.604305Jy sigma=0.003570 ! Inverting map ! Added new window around map position (-5.5, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.134351 Jy ! Component: 100 - total flux cleaned = 0.225099 Jy ! Total flux subtracted in 100 components = 0.225099 Jy ! Clean residual min=-0.041005 max=0.081375 Jy/beam ! Clean residual mean=0.000302 rms=0.013219 Jy/beam ! Combined flux in latest and established models = 2.02966 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 46 components and 2.02966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.544787Jy sigma=0.003105 ! Fit after self-cal, rms=0.542102Jy sigma=0.003092 ! Inverting map ! Added new window around map position (-2.5, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0852876 Jy ! Component: 100 - total flux cleaned = 0.144345 Jy ! Total flux subtracted in 100 components = 0.144345 Jy ! Clean residual min=-0.036883 max=0.055029 Jy/beam ! Clean residual mean=0.000172 rms=0.011628 Jy/beam ! Combined flux in latest and established models = 2.174 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 2.174 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.516127Jy sigma=0.002925 ! Fit after self-cal, rms=0.515032Jy sigma=0.002919 ! 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=2.381 mas, bmaj=3.221 mas, bpa=9.285 degrees ! Estimated noise=1184.93 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 = 0.0815277 Jy ! Component: 100 - total flux cleaned = 0.126991 Jy ! Component: 150 - total flux cleaned = 0.154932 Jy ! Component: 200 - total flux cleaned = 0.167746 Jy ! Total flux subtracted in 200 components = 0.167746 Jy ! Clean residual min=-0.060433 max=0.072757 Jy/beam ! Clean residual mean=0.000129 rms=0.021555 Jy/beam ! Combined flux in latest and established models = 2.34175 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 71 components and 2.34175 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.497078Jy sigma=0.002838 ! Fit after self-cal, rms=0.496009Jy sigma=0.002834 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.07 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 0.85 ON 1.10 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.85 ZC 1.29 ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.05 HH 1.18 HN 1.05 ! KK 1.04 KP 0.89 LA 1.06 MK 0.68 ! NL 0.98 NY 0.91 ON 0.99 OV 1.23 ! PT 0.94 SC 1.07 WZ 0.89 ZC 1.24 ! ! A total of 45 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 HH 1.06 HN 1.19 ! KK 1.00* KP 0.99 LA 1.20 MK 1.00* ! NL 0.94 NY 0.91 ON 0.94 OV 1.00* ! PT 1.19 SC 0.93 WZ 1.02 ZC 1.11 ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Correcting IF 2. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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 0.88 ON 1.34 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.87 ZC 1.34 ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.15 HH 1.14 HN 1.22 ! KK 0.99 KP 0.92 LA 1.00 MK 0.75 ! NL 1.03 NY 1.03 ON 0.91 OV 1.28 ! PT 0.93 SC 1.07 WZ 0.86 ZC 1.17 ! ! A total of 45 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.11 HH 1.06 HN 1.18 ! KK 1.00* KP 0.99 LA 1.12 MK 1.00* ! NL 0.95 NY 1.08 ON 0.98 OV 1.00* ! PT 1.19 SC 0.99 WZ 0.91 ZC 1.14 ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Correcting IF 3. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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 0.96 ON 1.01 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.79 ZC 1.19 ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.13 FD 1.15 HH 0.97 HN 1.04 ! KK 1.08 KP 0.91 LA 0.79 MK 0.77 ! NL 1.13 NY 0.94 ON 0.92 OV 1.39 ! PT 0.95 SC 1.08 WZ 0.75 ZC 1.25 ! ! A total of 45 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.08 HH 0.95 HN 1.13 ! KK 1.00* KP 0.96 LA 0.88 MK 1.00* ! NL 0.99 NY 0.90 ON 0.90 OV 1.00* ! PT 1.32 SC 0.98 WZ 0.82 ZC 1.08 ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Correcting IF 4. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 0.91 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.16 ON 0.99 OV 1.00* ! PT 1.00* SC 1.00* WZ 0.72 ZC 1.06 ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.11 HH 0.96 HN 0.97 ! KK 1.11 KP 0.84 LA 0.67 MK 0.76 ! NL 1.02 NY 1.11 ON 0.93 OV 1.13 ! PT 0.82 SC 1.09 WZ 0.75 ZC 1.10 ! ! A total of 45 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 HH 1.00 HN 1.01 ! KK 1.00* KP 0.88 LA 0.71 MK 1.00* ! NL 0.95 NY 1.06 ON 1.05 OV 1.00* ! PT 1.16 SC 0.94 WZ 0.72 ZC 1.02 ! ! Telescope amplitude corrections in sub-array 4: ! 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* ! ! ! Fit before self-cal, rms=0.496009Jy sigma=0.002834 ! Fit after self-cal, rms=0.377039Jy sigma=0.001868 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.402 mas, bmaj=3.376 mas, bpa=6.23 degrees ! Estimated noise=1165.5 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00810047 Jy ! Component: 100 - total flux cleaned = 0.00900655 Jy ! Component: 150 - total flux cleaned = 0.00827532 Jy ! Component: 200 - total flux cleaned = 0.00795136 Jy ! Total flux subtracted in 200 components = 0.00795136 Jy ! Clean residual min=-0.037832 max=0.050063 Jy/beam ! Clean residual mean=0.000459 rms=0.012199 Jy/beam ! Combined flux in latest and established models = 2.3497 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 78 components and 2.3497 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375525Jy sigma=0.001857 ! Fit after self-cal, rms=0.375967Jy sigma=0.001852 ! 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=0.375967Jy sigma=0.001852 ! Fit after self-cal, rms=0.375752Jy sigma=0.001845 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.405 mas, bmaj=3.381 mas, bpa=6.167 degrees ! Estimated noise=1164.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00513347 Jy ! Component: 100 - total flux cleaned = 0.00512279 Jy ! Component: 150 - total flux cleaned = 0.00483008 Jy ! Component: 200 - total flux cleaned = 0.00456421 Jy ! Total flux subtracted in 200 components = 0.00456421 Jy ! Clean residual min=-0.038438 max=0.049825 Jy/beam ! Clean residual mean=0.000457 rms=0.012089 Jy/beam ! Combined flux in latest and established models = 2.35426 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 82 components and 2.35426 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375016Jy sigma=0.001841 ! Fit after self-cal, rms=0.374978Jy sigma=0.001841 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 = 0.000411861 Jy ! Component: 100 - total flux cleaned = 0.000177983 Jy ! Component: 150 - total flux cleaned = -5.37092e-05 Jy ! Component: 200 - total flux cleaned = -0.000279638 Jy ! Total flux subtracted in 200 components = -0.000279638 Jy ! Clean residual min=-0.038711 max=0.049665 Jy/beam ! Clean residual mean=0.000460 rms=0.012067 Jy/beam ! Combined flux in latest and established models = 2.35398 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 86 components and 2.35398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374584Jy sigma=0.001840 ! Fit after self-cal, rms=0.374593Jy sigma=0.001839 ! 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=0.374593Jy sigma=0.001839 ! Fit after self-cal, rms=0.375796Jy sigma=0.001832 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.407 mas, bmaj=3.385 mas, bpa=6.056 degrees ! Estimated noise=1164.34 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190026 Jy ! Component: 100 - total flux cleaned = 0.00168817 Jy ! Component: 150 - total flux cleaned = 0.00149397 Jy ! Component: 200 - total flux cleaned = 0.00149058 Jy ! Total flux subtracted in 200 components = 0.00149058 Jy ! Clean residual min=-0.039911 max=0.049368 Jy/beam ! Clean residual mean=0.000465 rms=0.012066 Jy/beam ! Combined flux in latest and established models = 2.35547 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 88 components and 2.35547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375442Jy sigma=0.001831 ! Fit after self-cal, rms=0.375613Jy sigma=0.001831 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 = 0.000176963 Jy ! Component: 100 - total flux cleaned = -7.54622e-06 Jy ! Component: 150 - total flux cleaned = -6.84687e-06 Jy ! Component: 200 - total flux cleaned = -0.00016449 Jy ! Total flux subtracted in 200 components = -0.00016449 Jy ! Clean residual min=-0.040051 max=0.049244 Jy/beam ! Clean residual mean=0.000467 rms=0.012056 Jy/beam ! Combined flux in latest and established models = 2.35531 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 89 components and 2.35531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375383Jy sigma=0.001830 ! Fit after self-cal, rms=0.375402Jy sigma=0.001830 ! 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=0.375402Jy sigma=0.001830 ! Fit after self-cal, rms=0.375108Jy sigma=0.001830 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.62 mas, bmaj=12.63 mas, bpa=-19.09 degrees ! Estimated noise=1405.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00359639 Jy ! Component: 100 - total flux cleaned = 0.00360936 Jy ! Component: 150 - total flux cleaned = 0.00359539 Jy ! Component: 200 - total flux cleaned = 0.00372622 Jy ! Total flux subtracted in 200 components = 0.00372622 Jy ! Clean residual min=-0.060019 max=0.077498 Jy/beam ! Clean residual mean=0.001010 rms=0.021555 Jy/beam ! Combined flux in latest and established models = 2.35904 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 93 components and 2.35904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375091Jy sigma=0.001830 ! Fit after self-cal, rms=0.375148Jy sigma=0.001830 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 = 0.000668292 Jy ! Component: 100 - total flux cleaned = 0.000660295 Jy ! Component: 150 - total flux cleaned = 0.000537242 Jy ! Component: 200 - total flux cleaned = 0.000541043 Jy ! Total flux subtracted in 200 components = 0.000541043 Jy ! Clean residual min=-0.060105 max=0.078019 Jy/beam ! Clean residual mean=0.001000 rms=0.021534 Jy/beam ! Combined flux in latest and established models = 2.35958 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 93 components and 2.35958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375183Jy sigma=0.001830 ! Fit after self-cal, rms=0.375239Jy sigma=0.001830 ! 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=2.409 mas, bmaj=3.384 mas, bpa=6.05 degrees ! Estimated noise=1164.19 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.409 x 3.384 at 6.05 degrees (North through East) ! Clean map min=-0.039503 max=0.83367 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=0.375239Jy sigma=0.001830 ! Fit after self-cal, rms=0.402653Jy sigma=0.001711 ! Inverting map and beam ! Estimated beam: bmin=2.409 mas, bmaj=3.394 mas, bpa=5.89 degrees ! Estimated noise=1160.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000418525 Jy ! Component: 100 - total flux cleaned = 0.000628246 Jy ! Component: 150 - total flux cleaned = 0.000620296 Jy ! Component: 200 - total flux cleaned = 0.000623891 Jy ! Total flux subtracted in 200 components = 0.000623891 Jy ! Clean residual min=-0.037079 max=0.047400 Jy/beam ! Clean residual mean=0.000362 rms=0.011592 Jy/beam ! Combined flux in latest and established models = 2.3602 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 97 components and 2.3602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.402386Jy sigma=0.001710 ! Fit after self-cal, rms=0.402359Jy sigma=0.001710 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.73247e-05 Jy ! Component: 100 - total flux cleaned = -6.07929e-05 Jy ! Component: 150 - total flux cleaned = -6.48115e-05 Jy ! Component: 200 - total flux cleaned = -6.16528e-05 Jy ! Total flux subtracted in 200 components = -6.16528e-05 Jy ! Clean residual min=-0.037059 max=0.047280 Jy/beam ! Clean residual mean=0.000361 rms=0.011596 Jy/beam ! Combined flux in latest and established models = 2.36014 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 99 components and 2.36014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.402221Jy sigma=0.001710 ! Fit after self-cal, rms=0.402201Jy sigma=0.001710 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.402201Jy sigma=0.001710 ! Fit after self-cal, rms=0.402611Jy sigma=0.001709 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=1.784 mas, bmaj=2.592 mas, bpa=8 degrees ! Estimated noise=1776.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.70463 Jy ! Component: 100 - total flux cleaned = 1.12018 Jy ! Component: 150 - total flux cleaned = 1.39948 Jy ! Component: 200 - total flux cleaned = 1.60263 Jy ! Total flux subtracted in 200 components = 1.60263 Jy ! Clean residual min=-0.046736 max=0.117656 Jy/beam ! Clean residual mean=0.000521 rms=0.017069 Jy/beam ! Combined flux in latest and established models = 1.60263 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 25 model components to the UV plane model. ! The established model now contains 25 components and 1.60263 Jy ! Inverting map and beam ! Estimated beam: bmin=2.41 mas, bmaj=3.392 mas, bpa=5.798 degrees ! Estimated noise=1160.86 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 = 0.279682 Jy ! Component: 100 - total flux cleaned = 0.453273 Jy ! Component: 150 - total flux cleaned = 0.562795 Jy ! Component: 200 - total flux cleaned = 0.632535 Jy ! Total flux subtracted in 200 components = 0.632535 Jy ! Clean residual min=-0.039490 max=0.050313 Jy/beam ! Clean residual mean=0.001376 rms=0.013114 Jy/beam ! Combined flux in latest and established models = 2.23516 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 67 components and 2.23516 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=8.574 mas, bmaj=12.64 mas, bpa=-19.42 degrees ! Estimated noise=1405.29 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0732627 Jy ! Component: 100 - total flux cleaned = 0.104895 Jy ! Component: 150 - total flux cleaned = 0.11884 Jy ! Component: 200 - total flux cleaned = 0.125042 Jy ! Total flux subtracted in 200 components = 0.125042 Jy ! Clean residual min=-0.058290 max=0.074564 Jy/beam ! Clean residual mean=0.000826 rms=0.020913 Jy/beam ! Combined flux in latest and established models = 2.3602 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 = 0.00192991 Jy ! Component: 100 - total flux cleaned = 0.00212818 Jy ! Component: 150 - total flux cleaned = 0.00238806 Jy ! Component: 200 - total flux cleaned = 0.00255289 Jy ! Total flux subtracted in 200 components = 0.00255289 Jy ! Clean residual min=-0.058206 max=0.074395 Jy/beam ! Clean residual mean=0.000782 rms=0.020903 Jy/beam ! Combined flux in latest and established models = 2.36276 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 85 components and 2.36276 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.41 mas, bmaj=3.392 mas, bpa=5.798 degrees ! Estimated noise=1160.86 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00391504 Jy ! Component: 100 - total flux cleaned = -0.00477084 Jy ! Component: 150 - total flux cleaned = -0.00478392 Jy ! Component: 200 - total flux cleaned = -0.00479062 Jy ! Total flux subtracted in 200 components = -0.00479062 Jy ! Clean residual min=-0.036510 max=0.046780 Jy/beam ! Clean residual mean=0.000386 rms=0.011620 Jy/beam ! Combined flux in latest and established models = 2.35797 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 90 components and 2.35797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.403870Jy sigma=0.001718 ! Fit after self-cal, rms=0.403932Jy sigma=0.001717 wmodel J0433+0521_S_2008_04_02_pus_map.mod ! Writing 90 model components to file: J0433+0521_S_2008_04_02_pus_map.mod wobs J0433+0521_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0433+0521_S_2008_04_02_pus_uvs.fits wwins J0433+0521_S_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J0433+0521_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 = 0.020706 Jy ! Component: 100 - total flux cleaned = 0.0346645 Jy ! Component: 150 - total flux cleaned = 0.041716 Jy ! Component: 200 - total flux cleaned = 0.0483678 Jy ! Component: 250 - total flux cleaned = 0.0558225 Jy ! Component: 300 - total flux cleaned = 0.0623574 Jy ! Component: 350 - total flux cleaned = 0.067055 Jy ! Component: 400 - total flux cleaned = 0.0735981 Jy ! Component: 450 - total flux cleaned = 0.0799335 Jy ! Component: 500 - total flux cleaned = 0.08607 Jy ! Component: 550 - total flux cleaned = 0.0906492 Jy ! Component: 600 - total flux cleaned = 0.0946562 Jy ! Component: 650 - total flux cleaned = 0.0989977 Jy ! Component: 700 - total flux cleaned = 0.102386 Jy ! Component: 750 - total flux cleaned = 0.106516 Jy ! Component: 800 - total flux cleaned = 0.111349 Jy ! Component: 850 - total flux cleaned = 0.115292 Jy ! Component: 900 - total flux cleaned = 0.119151 Jy ! Component: 950 - total flux cleaned = 0.122558 Jy ! Component: 1000 - total flux cleaned = 0.125158 Jy ! Component: 1050 - total flux cleaned = 0.12735 Jy ! Component: 1100 - total flux cleaned = 0.130942 Jy ! Component: 1150 - total flux cleaned = 0.13305 Jy ! Component: 1200 - total flux cleaned = 0.134784 Jy ! Component: 1250 - total flux cleaned = 0.136833 Jy ! Component: 1300 - total flux cleaned = 0.138852 Jy ! Component: 1350 - total flux cleaned = 0.140177 Jy ! Component: 1400 - total flux cleaned = 0.141487 Jy ! Component: 1450 - total flux cleaned = 0.143415 Jy ! Component: 1500 - total flux cleaned = 0.145311 Jy ! Component: 1550 - total flux cleaned = 0.146554 Jy ! Component: 1600 - total flux cleaned = 0.147782 Jy ! Component: 1650 - total flux cleaned = 0.149905 Jy ! Component: 1700 - total flux cleaned = 0.150803 Jy ! Component: 1750 - total flux cleaned = 0.152576 Jy ! Component: 1800 - total flux cleaned = 0.154323 Jy ! Component: 1850 - total flux cleaned = 0.154897 Jy ! Component: 1900 - total flux cleaned = 0.15547 Jy ! Component: 1950 - total flux cleaned = 0.157158 Jy ! Component: 2000 - total flux cleaned = 0.158545 Jy ! Total flux subtracted in 2048 components = 0.159095 Jy ! Clean residual min=-0.014541 max=0.017023 Jy/beam ! Clean residual mean=-0.000400 rms=0.006193 Jy/beam ! Combined flux in latest and established models = 2.51706 Jy keep ! Adding 216 model components to the UV plane model. ! The established model now contains 306 components and 2.51706 Jy wmap "J0433+0521_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.41 x 3.392 at 5.798 degrees (North through East) ! Clean map min=-0.026811 max=0.8312 Jy/beam ! Writing clean map to FITS file: J0433+0521_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 0.831204 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00611216 device "J0433+0521_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0433+0521_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.20601 2.20601 4.41203 8.82405 17.6481 35.2962 70.5924 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0183 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.831 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.41 x 3.392 at 5.798 degrees (North through East) ! Clean map min=-0.026811 max=0.8312 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0433+0521_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0433+0521_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0433+0521_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:36:23 2010