! Started logfile: J0921+6215_S_2001_03_12_pus_uvs.log on Wed Jan 2 18:50:46 2013 obs J0921+6215_S_2001_03_12_pus_uva.fits ! Reading UV FITS file: J0921+6215_S_2001_03_12_pus_uva.fits ! AN table 1: 369 integrations on 136 of 136 possible baselines. ! AN table 2: 205 integrations on 136 of 136 possible baselines. ! AN table 3: 137 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.319444 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0921+6215 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1899 lines of history. ! ! Reading 123556 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 ![@muppet J0921+6215_S_2001_03_12_pus] 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 3464 telescope corrections were flagged in sub-array 1. ! A total of 1668 telescope corrections were flagged in sub-array 2. ! A total of 1219 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 3593 telescope corrections were flagged in sub-array 1. ! A total of 1872 telescope corrections were flagged in sub-array 2. ! A total of 1230 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 3319 telescope corrections were flagged in sub-array 1. ! A total of 1512 telescope corrections were flagged in sub-array 2. ! A total of 1224 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 3551 telescope corrections were flagged in sub-array 1. ! A total of 1874 telescope corrections were flagged in sub-array 2. ! A total of 1332 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.907473Jy sigma=0.007375 ! Fit after self-cal, rms=0.437317Jy sigma=0.003447 ! 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=1.881 mas, bmaj=2.108 mas, bpa=-2.729 degrees ! Estimated noise=691.382 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 = 0.664343 Jy ! Component: 100 - total flux cleaned = 0.821697 Jy ! Total flux subtracted in 100 components = 0.821697 Jy ! Clean residual min=-0.020277 max=0.065193 Jy/beam ! Clean residual mean=0.000189 rms=0.005025 Jy/beam ! Combined flux in latest and established models = 0.821697 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.821697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.448502Jy sigma=0.003524 ! Fit after self-cal, rms=0.448456Jy sigma=0.003524 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.072632 Jy ! Component: 100 - total flux cleaned = 0.111506 Jy ! Total flux subtracted in 100 components = 0.111506 Jy ! Clean residual min=-0.019278 max=0.061463 Jy/beam ! Clean residual mean=0.000149 rms=0.004547 Jy/beam ! Combined flux in latest and established models = 0.933203 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.933203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.424052Jy sigma=0.003285 ! Fit after self-cal, rms=0.423941Jy sigma=0.003284 ! Inverting map ! Added new window around map position (-2, 5.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0507874 Jy ! Component: 100 - total flux cleaned = 0.0779871 Jy ! Total flux subtracted in 100 components = 0.0779871 Jy ! Clean residual min=-0.018489 max=0.019244 Jy/beam ! Clean residual mean=0.000126 rms=0.004219 Jy/beam ! Combined flux in latest and established models = 1.01119 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 24 components and 1.01119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.410659Jy sigma=0.003146 ! Fit after self-cal, rms=0.409925Jy sigma=0.003140 ! 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=2.635 mas, bmaj=2.907 mas, bpa=-1.948 degrees ! Estimated noise=275.96 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 = 0.0612915 Jy ! Component: 100 - total flux cleaned = 0.0962324 Jy ! Component: 150 - total flux cleaned = 0.118247 Jy ! Component: 200 - total flux cleaned = 0.132253 Jy ! Total flux subtracted in 200 components = 0.132253 Jy ! Clean residual min=-0.017692 max=0.022679 Jy/beam ! Clean residual mean=0.000562 rms=0.004807 Jy/beam ! Combined flux in latest and established models = 1.14344 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 45 components and 1.14344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.400472Jy sigma=0.003041 ! Fit after self-cal, rms=0.399731Jy sigma=0.003032 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.12 HH 1.00* HN 0.98 ! KK 1.04 KP 1.00* LA 0.94 MA 1.04 ! MC 1.01 MK 0.93 NL 0.94 ON 0.86 ! OV 1.06 PT 0.98 SC 1.05 TS 0.99 ! WZ 0.83 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.15 HH 1.00* HN 0.89 ! KK 0.99 KP 1.00* LA 0.92 MA 1.13 ! MC 1.01 MK 0.92 NL 0.89 ON 0.91 ! OV 1.05 PT 0.96 SC 1.02 TS 1.02 ! WZ 0.75 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 1.22 HH 1.00* HN 0.92 ! KK 1.01 KP 1.00* LA 0.96 MA 3.19 ! MC 1.00 MK 1.00* NL 0.94 ON 0.86 ! OV 1.11 PT 1.01 SC 1.09 TS 1.06 ! WZ 0.81 ! ! ! Correcting IF 2. ! A total of 90 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.04 HH 1.00* HN 1.02 ! KK 1.00* KP 1.05 LA 0.98 MA 1.28 ! MC 1.00* MK 0.99 NL 1.01 ON 1.00* ! OV 0.96 PT 1.03 SC 0.87 TS 0.93 ! WZ 0.76 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.04 HH 1.00* HN 0.97 ! KK 1.00* KP 1.00 LA 0.95 MA 0.78 ! MC 1.00* MK 0.98 NL 0.96 ON 1.00* ! OV 0.97 PT 1.01 SC 0.85 TS 0.97 ! WZ 0.70 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.90 FD 1.11 HH 1.00* HN 1.00 ! KK 1.00* KP 1.12 LA 1.00 MA 1.01 ! MC 1.00* MK 1.00* NL 1.00 ON 1.00* ! OV 1.00 PT 1.06 SC 0.92 TS 1.01 ! WZ 0.76 ! ! ! Correcting IF 3. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.06 HH 1.00* HN 1.06 ! KK 0.99 KP 1.10 LA 0.88 MA 1.07 ! MC 2.05 MK 1.03 NL 0.98 ON 0.78 ! OV 1.13 PT 1.06 SC 1.22 TS 0.97 ! WZ 0.77 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.92 HH 1.00* HN 1.28 ! KK 0.93 KP 0.92 LA 0.87 MA 0.75 ! MC 1.62 MK 1.06 NL 0.91 ON 0.89 ! OV 0.81 PT 1.07 SC 1.22 TS 0.99 ! WZ 0.69 ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.79 FD 2.58 HH 1.00* HN 1.21 ! KK 0.90 KP 1.38 LA 0.92 MA 1.03 ! MC 1.16 MK 1.00* NL 1.03 ON 0.84 ! OV 0.98 PT 1.31 SC 1.05 TS 1.19 ! WZ 0.84 ! ! ! Correcting IF 4. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.89 HH 1.00* HN 1.23 ! KK 1.00* KP 1.10 LA 0.85 MA 1.00* ! MC 1.17 MK 0.98 NL 1.04 ON 1.00* ! OV 0.97 PT 0.96 SC 1.18 TS 0.98 ! WZ 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 0.89 HH 1.00* HN 1.15 ! KK 1.00* KP 1.04 LA 0.83 MA 1.00* ! MC 1.15 MK 0.98 NL 0.99 ON 1.00* ! OV 0.97 PT 1.01 SC 1.17 TS 1.00 ! WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.94 HH 1.00* HN 1.20 ! KK 1.00* KP 1.17 LA 0.86 MA 1.00* ! MC 1.29 MK 1.00* NL 1.03 ON 1.00* ! OV 1.00 PT 0.98 SC 1.28 TS 1.03 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.399731Jy sigma=0.003032 ! Fit after self-cal, rms=0.369736Jy sigma=0.002762 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.666 mas, bmaj=2.907 mas, bpa=-1.602 degrees ! Estimated noise=276.045 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 (-9, 19). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188871 Jy ! Component: 100 - total flux cleaned = 0.0313026 Jy ! Component: 150 - total flux cleaned = 0.0401012 Jy ! Component: 200 - total flux cleaned = 0.045059 Jy ! Total flux subtracted in 200 components = 0.045059 Jy ! Clean residual min=-0.008573 max=0.011100 Jy/beam ! Clean residual mean=0.000272 rms=0.002243 Jy/beam ! Combined flux in latest and established models = 1.1885 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 75 components and 1.1885 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.368603Jy sigma=0.002750 ! Fit after self-cal, rms=0.369094Jy sigma=0.002747 ! Inverting map ! Added new window around map position (-2, 9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100993 Jy ! Component: 100 - total flux cleaned = 0.0134722 Jy ! Component: 150 - total flux cleaned = 0.0156864 Jy ! Component: 200 - total flux cleaned = 0.0174764 Jy ! Total flux subtracted in 200 components = 0.0174764 Jy ! Clean residual min=-0.007629 max=0.008128 Jy/beam ! Clean residual mean=0.000241 rms=0.002075 Jy/beam ! Combined flux in latest and established models = 1.20598 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 94 components and 1.20598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.368702Jy sigma=0.002743 ! Fit after self-cal, rms=0.368650Jy sigma=0.002743 ! 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=0.368650Jy sigma=0.002743 ! Fit after self-cal, rms=0.359381Jy sigma=0.002644 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.66 mas, bmaj=2.907 mas, bpa=-0.8371 degrees ! Estimated noise=276 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00612332 Jy ! Component: 100 - total flux cleaned = 0.00800957 Jy ! Component: 150 - total flux cleaned = 0.00826294 Jy ! Component: 200 - total flux cleaned = 0.00826457 Jy ! Total flux subtracted in 200 components = 0.00826457 Jy ! Clean residual min=-0.003950 max=0.005899 Jy/beam ! Clean residual mean=0.000149 rms=0.001216 Jy/beam ! Combined flux in latest and established models = 1.21424 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 111 components and 1.21424 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359232Jy sigma=0.002643 ! Fit after self-cal, rms=0.359729Jy sigma=0.002641 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) ! Added new window around map position (-25, 48). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00523493 Jy ! Component: 100 - total flux cleaned = 0.00677243 Jy ! Component: 150 - total flux cleaned = 0.00726901 Jy ! Component: 200 - total flux cleaned = 0.00753498 Jy ! Total flux subtracted in 200 components = 0.00753498 Jy ! Clean residual min=-0.003851 max=0.005150 Jy/beam ! Clean residual mean=0.000124 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 1.22178 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 123 components and 1.22178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359631Jy sigma=0.002640 ! Fit after self-cal, rms=0.359625Jy sigma=0.002640 ! Inverting map ! Added new window around map position (-18.5, 26.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00470979 Jy ! Component: 100 - total flux cleaned = 0.00618119 Jy ! Component: 150 - total flux cleaned = 0.0070472 Jy ! Component: 200 - total flux cleaned = 0.00765958 Jy ! Total flux subtracted in 200 components = 0.00765958 Jy ! Clean residual min=-0.003684 max=0.004595 Jy/beam ! Clean residual mean=0.000105 rms=0.001089 Jy/beam ! Combined flux in latest and established models = 1.22944 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 137 components and 1.22944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359548Jy sigma=0.002639 ! Fit after self-cal, rms=0.359542Jy sigma=0.002639 ! Inverting map ! Added new window around map position (-16, 11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00400534 Jy ! Component: 100 - total flux cleaned = 0.00460003 Jy ! Component: 150 - total flux cleaned = 0.00451954 Jy ! Component: 200 - total flux cleaned = 0.00451921 Jy ! Total flux subtracted in 200 components = 0.00451921 Jy ! Clean residual min=-0.003762 max=0.004211 Jy/beam ! Clean residual mean=0.000093 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 1.23396 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 155 components and 1.23396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359476Jy sigma=0.002639 ! Fit after self-cal, rms=0.359471Jy sigma=0.002639 ! 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=0.359471Jy sigma=0.002639 ! Fit after self-cal, rms=0.360020Jy sigma=0.002637 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.66 mas, bmaj=2.907 mas, bpa=-0.9112 degrees ! Estimated noise=276.373 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00329884 Jy ! Component: 100 - total flux cleaned = 0.00512913 Jy ! Component: 150 - total flux cleaned = 0.00629583 Jy ! Component: 200 - total flux cleaned = 0.00667903 Jy ! Total flux subtracted in 200 components = 0.00667903 Jy ! Clean residual min=-0.003642 max=0.004106 Jy/beam ! Clean residual mean=0.000110 rms=0.001018 Jy/beam ! Combined flux in latest and established models = 1.24064 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 165 components and 1.24064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359962Jy sigma=0.002636 ! Fit after self-cal, rms=0.360013Jy sigma=0.002636 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 = 0.00108659 Jy ! Component: 100 - total flux cleaned = 0.00145355 Jy ! Component: 150 - total flux cleaned = 0.00159149 Jy ! Component: 200 - total flux cleaned = 0.00172506 Jy ! Total flux subtracted in 200 components = 0.00172506 Jy ! Clean residual min=-0.003603 max=0.004103 Jy/beam ! Clean residual mean=0.000104 rms=0.001009 Jy/beam ! Combined flux in latest and established models = 1.24236 Jy ! Performing phase self-cal ! Adding 56 model components to the UV plane model. ! The established model now contains 176 components and 1.24236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359980Jy sigma=0.002636 ! Fit after self-cal, rms=0.359979Jy sigma=0.002636 ! 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=0.359979Jy sigma=0.002636 ! Fit after self-cal, rms=0.359946Jy sigma=0.002635 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.279 mas, bmaj=10.28 mas, bpa=53.01 degrees ! Estimated noise=383.418 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00443078 Jy ! Component: 100 - total flux cleaned = 0.00720648 Jy ! Component: 150 - total flux cleaned = 0.00814874 Jy ! Component: 200 - total flux cleaned = 0.00889476 Jy ! Total flux subtracted in 200 components = 0.00889476 Jy ! Clean residual min=-0.003984 max=0.004851 Jy/beam ! Clean residual mean=0.000260 rms=0.001476 Jy/beam ! Combined flux in latest and established models = 1.25126 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 188 components and 1.25126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359940Jy sigma=0.002635 ! Fit after self-cal, rms=0.359944Jy sigma=0.002635 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 = 0.00152215 Jy ! Component: 100 - total flux cleaned = 0.0018535 Jy ! Component: 150 - total flux cleaned = 0.00226845 Jy ! Component: 200 - total flux cleaned = 0.00258845 Jy ! Total flux subtracted in 200 components = 0.00258845 Jy ! Clean residual min=-0.004239 max=0.004817 Jy/beam ! Clean residual mean=0.000243 rms=0.001451 Jy/beam ! Combined flux in latest and established models = 1.25384 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 194 components and 1.25384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.359950Jy sigma=0.002635 ! Fit after self-cal, rms=0.359949Jy sigma=0.002635 ! 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=2.66 mas, bmaj=2.906 mas, bpa=-0.9058 degrees ! Estimated noise=276.63 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.66 x 2.906 at -0.9058 degrees (North through East) ! Clean map min=-0.0033422 max=0.89672 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=0.359949Jy sigma=0.002635 ! Fit after self-cal, rms=0.417004Jy sigma=0.002233 ! Inverting map and beam ! Estimated beam: bmin=2.663 mas, bmaj=2.91 mas, bpa=-0.6718 degrees ! Estimated noise=277.137 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000784874 Jy ! Component: 100 - total flux cleaned = -0.00104267 Jy ! Component: 150 - total flux cleaned = -0.0011952 Jy ! Component: 200 - total flux cleaned = -0.00133712 Jy ! Total flux subtracted in 200 components = -0.00133712 Jy ! Clean residual min=-0.003546 max=0.003507 Jy/beam ! Clean residual mean=0.000072 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 1.25251 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 202 components and 1.25251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.416955Jy sigma=0.002232 ! Fit after self-cal, rms=0.416969Jy sigma=0.002232 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.27144e-05 Jy ! Component: 100 - total flux cleaned = -5.33426e-05 Jy ! Component: 150 - total flux cleaned = -0.000242302 Jy ! Component: 200 - total flux cleaned = -0.0003612 Jy ! Total flux subtracted in 200 components = -0.0003612 Jy ! Clean residual min=-0.003521 max=0.003436 Jy/beam ! Clean residual mean=0.000073 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 1.25215 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 209 components and 1.25215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.416942Jy sigma=0.002232 ! Fit after self-cal, rms=0.416941Jy sigma=0.002232 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.416941Jy sigma=0.002232 ! Fit after self-cal, rms=0.426249Jy sigma=0.002232 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=1.897 mas, bmaj=2.115 mas, bpa=-3.132 degrees ! Estimated noise=694.866 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.665335 Jy ! Component: 100 - total flux cleaned = 0.82325 Jy ! Component: 150 - total flux cleaned = 0.903927 Jy ! Component: 200 - total flux cleaned = 0.955148 Jy ! Total flux subtracted in 200 components = 0.955148 Jy ! Clean residual min=-0.007555 max=0.027368 Jy/beam ! Clean residual mean=0.000111 rms=0.002208 Jy/beam ! Combined flux in latest and established models = 0.955148 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.955148 Jy ! Inverting map and beam ! Estimated beam: bmin=2.664 mas, bmaj=2.91 mas, bpa=-0.6079 degrees ! Estimated noise=277.251 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 = 0.0860585 Jy ! Component: 100 - total flux cleaned = 0.135972 Jy ! Component: 150 - total flux cleaned = 0.167102 Jy ! Component: 200 - total flux cleaned = 0.188516 Jy ! Total flux subtracted in 200 components = 0.188516 Jy ! Clean residual min=-0.004925 max=0.013193 Jy/beam ! Clean residual mean=0.000316 rms=0.002651 Jy/beam ! Combined flux in latest and established models = 1.14366 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 74 components and 1.14366 Jy ! Inverting map ! Added new window around map position (0, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0163282 Jy ! Component: 100 - total flux cleaned = 0.0291809 Jy ! Component: 150 - total flux cleaned = 0.039631 Jy ! Component: 200 - total flux cleaned = 0.0483972 Jy ! Total flux subtracted in 200 components = 0.0483972 Jy ! Clean residual min=-0.004007 max=0.007119 Jy/beam ! Clean residual mean=0.000208 rms=0.001633 Jy/beam ! Combined flux in latest and established models = 1.19206 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 128 components and 1.19206 Jy ! Inverting map ! Added new window around map position (-8.5, 25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00801882 Jy ! Component: 100 - total flux cleaned = 0.0147958 Jy ! Component: 150 - total flux cleaned = 0.0207394 Jy ! Component: 200 - total flux cleaned = 0.0259741 Jy ! Total flux subtracted in 200 components = 0.0259741 Jy ! Clean residual min=-0.003667 max=0.004601 Jy/beam ! Clean residual mean=0.000154 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 1.21804 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 170 components and 1.21803 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=8.267 mas, bmaj=10.27 mas, bpa=53 degrees ! Estimated noise=383.798 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0101926 Jy ! Component: 100 - total flux cleaned = 0.0174269 Jy ! Component: 150 - total flux cleaned = 0.0229075 Jy ! Component: 200 - total flux cleaned = 0.0271342 Jy ! Total flux subtracted in 200 components = 0.0271342 Jy ! Clean residual min=-0.004342 max=0.005364 Jy/beam ! Clean residual mean=0.000257 rms=0.001554 Jy/beam ! Combined flux in latest and established models = 1.24517 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 = 0.00328384 Jy ! Component: 100 - total flux cleaned = 0.00584479 Jy ! Component: 150 - total flux cleaned = 0.00785123 Jy ! Component: 200 - total flux cleaned = 0.00943081 Jy ! Total flux subtracted in 200 components = 0.00943081 Jy ! Clean residual min=-0.004431 max=0.004739 Jy/beam ! Clean residual mean=0.000198 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 1.2546 Jy ! Adding 103 model components to the UV plane model. ! The established model now contains 254 components and 1.2546 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.664 mas, bmaj=2.91 mas, bpa=-0.6079 degrees ! Estimated noise=277.251 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000332955 Jy ! Component: 100 - total flux cleaned = -9.7059e-05 Jy ! Component: 150 - total flux cleaned = -9.91818e-05 Jy ! Component: 200 - total flux cleaned = 3.61135e-05 Jy ! Total flux subtracted in 200 components = 3.61135e-05 Jy ! Clean residual min=-0.003475 max=0.003036 Jy/beam ! Clean residual mean=0.000074 rms=0.000856 Jy/beam ! Combined flux in latest and established models = 1.25464 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 272 components and 1.25464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.426150Jy sigma=0.002231 ! Fit after self-cal, rms=0.426110Jy sigma=0.002231 wmodel J0921+6215_S_2001_03_12_pus_map.mod ! Writing 272 model components to file: J0921+6215_S_2001_03_12_pus_map.mod wobs J0921+6215_S_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J0921+6215_S_2001_03_12_pus_uvs.fits wwins J0921+6215_S_2001_03_12_pus_map.win ! wwins: Wrote 9 windows to J0921+6215_S_2001_03_12_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 = -0.000832177 Jy ! Component: 100 - total flux cleaned = -0.000947978 Jy ! Component: 150 - total flux cleaned = -0.00056978 Jy ! Component: 200 - total flux cleaned = 5.90495e-05 Jy ! Component: 250 - total flux cleaned = 0.000821919 Jy ! Component: 300 - total flux cleaned = 0.00146768 Jy ! Component: 350 - total flux cleaned = 0.00214924 Jy ! Component: 400 - total flux cleaned = 0.00276947 Jy ! Component: 450 - total flux cleaned = 0.00342466 Jy ! Component: 500 - total flux cleaned = 0.00397708 Jy ! Component: 550 - total flux cleaned = 0.00452011 Jy ! Component: 600 - total flux cleaned = 0.00501075 Jy ! Component: 650 - total flux cleaned = 0.00553828 Jy ! Component: 700 - total flux cleaned = 0.00597306 Jy ! Component: 750 - total flux cleaned = 0.00648785 Jy ! Component: 800 - total flux cleaned = 0.0069538 Jy ! Component: 850 - total flux cleaned = 0.00741375 Jy ! Component: 900 - total flux cleaned = 0.00778605 Jy ! Component: 950 - total flux cleaned = 0.00819563 Jy ! Component: 1000 - total flux cleaned = 0.00860086 Jy ! Component: 1050 - total flux cleaned = 0.0090416 Jy ! Component: 1100 - total flux cleaned = 0.00924066 Jy ! Component: 1150 - total flux cleaned = 0.00967385 Jy ! Component: 1200 - total flux cleaned = 0.00998577 Jy ! Component: 1250 - total flux cleaned = 0.0103337 Jy ! Component: 1300 - total flux cleaned = 0.0106406 Jy ! Component: 1350 - total flux cleaned = 0.010983 Jy ! Component: 1400 - total flux cleaned = 0.011285 Jy ! Component: 1450 - total flux cleaned = 0.0116224 Jy ! Component: 1500 - total flux cleaned = 0.0118458 Jy ! Component: 1550 - total flux cleaned = 0.0122152 Jy ! Component: 1600 - total flux cleaned = 0.0124715 Jy ! Component: 1650 - total flux cleaned = 0.0127629 Jy ! Component: 1700 - total flux cleaned = 0.0130154 Jy ! Component: 1750 - total flux cleaned = 0.0133028 Jy ! Component: 1800 - total flux cleaned = 0.0135526 Jy ! Component: 1850 - total flux cleaned = 0.0139068 Jy ! Component: 1900 - total flux cleaned = 0.0140825 Jy ! Component: 1950 - total flux cleaned = 0.0145023 Jy ! Component: 2000 - total flux cleaned = 0.0145716 Jy ! Total flux subtracted in 2048 components = 0.0148826 Jy ! Clean residual min=-0.001729 max=0.002366 Jy/beam ! Clean residual mean=0.000030 rms=0.000658 Jy/beam ! Combined flux in latest and established models = 1.26952 Jy keep ! Adding 151 model components to the UV plane model. ! The established model now contains 423 components and 1.26952 Jy ![Exited script file: muppet] wmap "J0921+6215_S_2001_03_12_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.664 x 2.91 at -0.6079 degrees (North through East) ! Clean map min=-0.0029274 max=0.89839 Jy/beam ! Writing clean map to FITS file: J0921+6215_S_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.898392 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000656668 device "J0921+6215_S_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J0921+6215_S_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.219281 0.219281 0.438562 0.877124 1.75425 3.5085 7.01699 14.034 28.068 56.1359 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.898 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.664 x 2.91 at -0.6079 degrees (North through East) ! Clean map min=-0.0029274 max=0.89839 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0921+6215_S_2001_03_12_pus_uvs.log closed on Wed Jan 2 18:51:18 2013