! Started logfile: J1517-2422_S_1998_10_01_pus_uvs.log on Thu Feb 7 17:22:37 2008 obs J1517-2422_S_1998_10_01_pus_uva.fits ! Reading UV FITS file: J1517-2422_S_1998_10_01_pus_uva.fits ! AN table 1: 177 integrations on 136 of 136 possible baselines. ! AN table 2: 73 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.124118 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1517-2422 ! ! 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 2.22298e+09 4e+06 1 4e+06 ! 02 2 2.24298e+09 4e+06 1 4e+06 ! 03 3 2.33298e+09 4e+06 1 4e+06 ! 04 4 2.36298e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 1537 lines of history. ! ! Reading 16880 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 J1517-2422_S_1998_10_01_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 1890 telescope corrections were flagged in sub-array 1. ! A total of 1241 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1890 telescope corrections were flagged in sub-array 1. ! A total of 1241 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1890 telescope corrections were flagged in sub-array 1. ! A total of 1241 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1890 telescope corrections were flagged in sub-array 1. ! A total of 1241 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.960544Jy sigma=0.006173 ! Fit after self-cal, rms=0.838809Jy sigma=0.005593 ! 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=2.442 mas, bmaj=6.905 mas, bpa=-5.116 degrees ! Estimated noise=1215.65 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 = 1.18466 Jy ! Component: 100 - total flux cleaned = 1.52253 Jy ! Total flux subtracted in 100 components = 1.52253 Jy ! Clean residual min=-0.040735 max=0.134959 Jy/beam ! Clean residual mean=0.001552 rms=0.014774 Jy/beam ! Combined flux in latest and established models = 1.52253 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.52253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.552677Jy sigma=0.003190 ! Fit after self-cal, rms=0.552304Jy sigma=0.003188 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.139697 Jy ! Component: 100 - total flux cleaned = 0.21178 Jy ! Total flux subtracted in 100 components = 0.21178 Jy ! Clean residual min=-0.033255 max=0.081924 Jy/beam ! Clean residual mean=0.001090 rms=0.009489 Jy/beam ! Combined flux in latest and established models = 1.73431 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 26 components and 1.73431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.502040Jy sigma=0.002706 ! Fit after self-cal, rms=0.501878Jy sigma=0.002703 ! Inverting map ! Added new window around map position (6.5, -15.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0777158 Jy ! Component: 100 - total flux cleaned = 0.124322 Jy ! Total flux subtracted in 100 components = 0.124322 Jy ! Clean residual min=-0.030959 max=0.044985 Jy/beam ! Clean residual mean=0.000720 rms=0.006938 Jy/beam ! Combined flux in latest and established models = 1.85863 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 45 components and 1.85863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.483115Jy sigma=0.002519 ! Fit after self-cal, rms=0.481977Jy sigma=0.002511 ! Inverting map ! Added new window around map position (3.5, -8.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0481313 Jy ! Component: 100 - total flux cleaned = 0.0774585 Jy ! Total flux subtracted in 100 components = 0.0774585 Jy ! Clean residual min=-0.026511 max=0.031367 Jy/beam ! Clean residual mean=0.000519 rms=0.005395 Jy/beam ! Combined flux in latest and established models = 1.93609 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 64 components and 1.93609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.474234Jy sigma=0.002439 ! Fit after self-cal, rms=0.473509Jy sigma=0.002434 ! 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=2.76 mas, bmaj=8.499 mas, bpa=-6.678 degrees ! Estimated noise=787.034 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 = 0.0418235 Jy ! Component: 100 - total flux cleaned = 0.0641516 Jy ! Component: 150 - total flux cleaned = 0.0708095 Jy ! Component: 200 - total flux cleaned = 0.0727838 Jy ! Total flux subtracted in 200 components = 0.0727838 Jy ! Clean residual min=-0.016731 max=0.024444 Jy/beam ! Clean residual mean=0.001241 rms=0.005210 Jy/beam ! Combined flux in latest and established models = 2.00887 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 90 components and 2.00887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.469503Jy sigma=0.002399 ! Fit after self-cal, rms=0.469072Jy sigma=0.002395 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 78 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GC 1.00* HN 1.01 ! KK 0.97 KP 1.02 LA 0.94 MK 0.97 ! NL 0.99 NY 1.00* ON 1.00* OV 1.02 ! PT 1.01 SC 1.02 WF 1.07 MC 1.00* ! GN 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 2. ! A total of 78 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 GC 1.00* HN 1.08 ! KK 0.98 KP 0.96 LA 1.00 MK 1.05 ! NL 0.96 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.01 WF 1.09 MC 1.00* ! GN 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 3. ! A total of 78 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.05 GC 1.00* HN 1.02 ! KK 0.98 KP 0.99 LA 0.99 MK 0.97 ! NL 0.98 NY 1.00* ON 1.00* OV 1.01 ! PT 0.99 SC 1.00 WF 1.10 MC 1.00* ! GN 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Correcting IF 4. ! A total of 78 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 GC 1.00* HN 1.03 ! KK 1.01 KP 0.99 LA 0.97 MK 0.98 ! NL 0.98 NY 1.00* ON 1.00* OV 1.02 ! PT 1.01 SC 1.00 WF 1.07 MC 1.00* ! GN 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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* WF 0.00* MC 0.00* ! GN 0.00* ! ! ! Fit before self-cal, rms=0.469072Jy sigma=0.002395 ! Fit after self-cal, rms=0.470130Jy sigma=0.002362 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.797 mas, bmaj=8.522 mas, bpa=-6.336 degrees ! Estimated noise=790.755 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 (12.5, -23.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0245069 Jy ! Component: 100 - total flux cleaned = 0.037892 Jy ! Component: 150 - total flux cleaned = 0.0408031 Jy ! Component: 200 - total flux cleaned = 0.0410916 Jy ! Total flux subtracted in 200 components = 0.0410916 Jy ! Clean residual min=-0.009789 max=0.016597 Jy/beam ! Clean residual mean=0.001364 rms=0.003493 Jy/beam ! Combined flux in latest and established models = 2.04996 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 125 components and 2.04996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.468838Jy sigma=0.002349 ! Fit after self-cal, rms=0.468735Jy sigma=0.002347 ! 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=0.468735Jy sigma=0.002347 ! Fit after self-cal, rms=0.467978Jy sigma=0.002334 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.797 mas, bmaj=8.504 mas, bpa=-6.289 degrees ! Estimated noise=791.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00872411 Jy ! Component: 100 - total flux cleaned = 0.012691 Jy ! Component: 150 - total flux cleaned = 0.0154062 Jy ! Component: 200 - total flux cleaned = 0.0167569 Jy ! Total flux subtracted in 200 components = 0.0167569 Jy ! Clean residual min=-0.009186 max=0.015738 Jy/beam ! Clean residual mean=0.000752 rms=0.003033 Jy/beam ! Combined flux in latest and established models = 2.06672 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 149 components and 2.06672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.467653Jy sigma=0.002331 ! Fit after self-cal, rms=0.467592Jy sigma=0.002330 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 (26, -21.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0156386 Jy ! Component: 100 - total flux cleaned = 0.0243317 Jy ! Component: 150 - total flux cleaned = 0.029161 Jy ! Component: 200 - total flux cleaned = 0.0314925 Jy ! Total flux subtracted in 200 components = 0.0314925 Jy ! Clean residual min=-0.008371 max=0.008743 Jy/beam ! Clean residual mean=0.000455 rms=0.002383 Jy/beam ! Combined flux in latest and established models = 2.09821 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 183 components and 2.09821 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.466957Jy sigma=0.002325 ! Fit after self-cal, rms=0.466883Jy sigma=0.002324 ! 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=0.466883Jy sigma=0.002324 ! Fit after self-cal, rms=0.468022Jy sigma=0.002323 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.796 mas, bmaj=8.511 mas, bpa=-6.33 degrees ! Estimated noise=791.425 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00455282 Jy ! Component: 100 - total flux cleaned = 0.00839605 Jy ! Component: 150 - total flux cleaned = 0.0106828 Jy ! Component: 200 - total flux cleaned = 0.0123592 Jy ! Total flux subtracted in 200 components = 0.0123591 Jy ! Clean residual min=-0.007803 max=0.008467 Jy/beam ! Clean residual mean=0.000323 rms=0.002204 Jy/beam ! Combined flux in latest and established models = 2.11057 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 206 components and 2.11057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.467817Jy sigma=0.002321 ! Fit after self-cal, rms=0.467784Jy sigma=0.002321 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 = 0.00154098 Jy ! Component: 100 - total flux cleaned = 0.002958 Jy ! Component: 150 - total flux cleaned = 0.0038087 Jy ! Component: 200 - total flux cleaned = 0.00446756 Jy ! Total flux subtracted in 200 components = 0.00446756 Jy ! Clean residual min=-0.007525 max=0.008102 Jy/beam ! Clean residual mean=0.000285 rms=0.002163 Jy/beam ! Combined flux in latest and established models = 2.11504 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 222 components and 2.11504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.467698Jy sigma=0.002320 ! Fit after self-cal, rms=0.467665Jy sigma=0.002320 ! 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=0.467665Jy sigma=0.002320 ! Fit after self-cal, rms=0.468225Jy sigma=0.002319 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.201 mas, bmaj=17.31 mas, bpa=-2.742 degrees ! Estimated noise=1042.85 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00697495 Jy ! Component: 100 - total flux cleaned = 0.00991597 Jy ! Component: 150 - total flux cleaned = 0.0112104 Jy ! Component: 200 - total flux cleaned = 0.0116439 Jy ! Total flux subtracted in 200 components = 0.0116439 Jy ! Clean residual min=-0.008079 max=0.010250 Jy/beam ! Clean residual mean=0.000483 rms=0.003081 Jy/beam ! Combined flux in latest and established models = 2.12668 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 236 components and 2.12668 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.468150Jy sigma=0.002319 ! Fit after self-cal, rms=0.468126Jy sigma=0.002319 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 = 0.00177075 Jy ! Component: 100 - total flux cleaned = 0.00231049 Jy ! Component: 150 - total flux cleaned = 0.00259453 Jy ! Component: 200 - total flux cleaned = 0.00285471 Jy ! Total flux subtracted in 200 components = 0.00285471 Jy ! Clean residual min=-0.008339 max=0.010069 Jy/beam ! Clean residual mean=0.000423 rms=0.003140 Jy/beam ! Combined flux in latest and established models = 2.12954 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 241 components and 2.12954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.468110Jy sigma=0.002319 ! Fit after self-cal, rms=0.468096Jy sigma=0.002319 ! 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=2.796 mas, bmaj=8.519 mas, bpa=-6.366 degrees ! Estimated noise=791.56 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.796 x 8.519 at -6.366 degrees (North through East) ! Clean map min=-0.0072268 max=1.5227 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=0.468096Jy sigma=0.002319 ! Fit after self-cal, rms=0.434619Jy sigma=0.002143 ! Inverting map and beam ! Estimated beam: bmin=2.796 mas, bmaj=8.522 mas, bpa=-6.389 degrees ! Estimated noise=791.414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000190006 Jy ! Component: 100 - total flux cleaned = 0.000253846 Jy ! Component: 150 - total flux cleaned = 0.000777272 Jy ! Component: 200 - total flux cleaned = 0.00113204 Jy ! Total flux subtracted in 200 components = 0.00113204 Jy ! Clean residual min=-0.006479 max=0.007849 Jy/beam ! Clean residual mean=0.000238 rms=0.002045 Jy/beam ! Combined flux in latest and established models = 2.13067 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 251 components and 2.13067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434538Jy sigma=0.002142 ! Fit after self-cal, rms=0.434515Jy sigma=0.002142 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000455839 Jy ! Component: 100 - total flux cleaned = 0.000672722 Jy ! Component: 150 - total flux cleaned = 0.000875244 Jy ! Component: 200 - total flux cleaned = 0.000873321 Jy ! Total flux subtracted in 200 components = 0.000873321 Jy ! Clean residual min=-0.006407 max=0.007638 Jy/beam ! Clean residual mean=0.000229 rms=0.002015 Jy/beam ! Combined flux in latest and established models = 2.13154 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 259 components and 2.13154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434467Jy sigma=0.002142 ! Fit after self-cal, rms=0.434449Jy sigma=0.002142 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434449Jy sigma=0.002142 ! Fit after self-cal, rms=0.434907Jy sigma=0.002142 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=2.439 mas, bmaj=6.903 mas, bpa=-5.337 degrees ! Estimated noise=1222.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.18546 Jy ! Component: 100 - total flux cleaned = 1.52199 Jy ! Component: 150 - total flux cleaned = 1.67159 Jy ! Component: 200 - total flux cleaned = 1.75661 Jy ! Total flux subtracted in 200 components = 1.75661 Jy ! Clean residual min=-0.016704 max=0.045961 Jy/beam ! Clean residual mean=0.001085 rms=0.007040 Jy/beam ! Combined flux in latest and established models = 1.75661 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 29 model components to the UV plane model. ! The established model now contains 29 components and 1.75661 Jy ! Inverting map and beam ! Estimated beam: bmin=2.796 mas, bmaj=8.527 mas, bpa=-6.41 degrees ! Estimated noise=791.542 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 = 0.101771 Jy ! Component: 100 - total flux cleaned = 0.165784 Jy ! Component: 150 - total flux cleaned = 0.209058 Jy ! Component: 200 - total flux cleaned = 0.239943 Jy ! Total flux subtracted in 200 components = 0.239943 Jy ! Clean residual min=-0.009223 max=0.019987 Jy/beam ! Clean residual mean=0.001356 rms=0.004799 Jy/beam ! Combined flux in latest and established models = 1.99656 Jy ! Adding 87 model components to the UV plane model. ! The established model now contains 111 components and 1.99656 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=7.201 mas, bmaj=17.32 mas, bpa=-2.779 degrees ! Estimated noise=1042.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0441334 Jy ! Component: 100 - total flux cleaned = 0.0727562 Jy ! Component: 150 - total flux cleaned = 0.0922024 Jy ! Component: 200 - total flux cleaned = 0.105803 Jy ! Total flux subtracted in 200 components = 0.105803 Jy ! Clean residual min=-0.008979 max=0.010759 Jy/beam ! Clean residual mean=0.001035 rms=0.003688 Jy/beam ! Combined flux in latest and established models = 2.10236 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 = 0.00968077 Jy ! Component: 100 - total flux cleaned = 0.0166847 Jy ! Component: 150 - total flux cleaned = 0.0218501 Jy ! Component: 200 - total flux cleaned = 0.0257284 Jy ! Total flux subtracted in 200 components = 0.0257284 Jy ! Clean residual min=-0.007685 max=0.009869 Jy/beam ! Clean residual mean=0.000534 rms=0.003060 Jy/beam ! Combined flux in latest and established models = 2.12809 Jy ! Adding 137 model components to the UV plane model. ! The established model now contains 241 components and 2.12809 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.796 mas, bmaj=8.527 mas, bpa=-6.41 degrees ! Estimated noise=791.542 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00315754 Jy ! Component: 100 - total flux cleaned = 0.00482837 Jy ! Component: 150 - total flux cleaned = 0.00520417 Jy ! Component: 200 - total flux cleaned = 0.00571381 Jy ! Total flux subtracted in 200 components = 0.00571381 Jy ! Clean residual min=-0.006704 max=0.007626 Jy/beam ! Clean residual mean=0.000208 rms=0.002091 Jy/beam ! Combined flux in latest and established models = 2.1338 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 262 components and 2.1338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.435058Jy sigma=0.002143 ! Fit after self-cal, rms=0.434958Jy sigma=0.002142 wmodel J1517-2422_S_1998_10_01_pus_map.mod ! Writing 262 model components to file: J1517-2422_S_1998_10_01_pus_map.mod wobs J1517-2422_S_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J1517-2422_S_1998_10_01_pus_uvs.fits wwins J1517-2422_S_1998_10_01_pus_map.win ! wwins: Wrote 5 windows to J1517-2422_S_1998_10_01_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 = 0.00086384 Jy ! Component: 100 - total flux cleaned = 0.00147077 Jy ! Component: 150 - total flux cleaned = 0.00192711 Jy ! Component: 200 - total flux cleaned = 0.00258975 Jy ! Component: 250 - total flux cleaned = 0.00323295 Jy ! Component: 300 - total flux cleaned = 0.00396261 Jy ! Component: 350 - total flux cleaned = 0.00467193 Jy ! Component: 400 - total flux cleaned = 0.00496608 Jy ! Component: 450 - total flux cleaned = 0.00534951 Jy ! Component: 500 - total flux cleaned = 0.00563215 Jy ! Component: 550 - total flux cleaned = 0.00636892 Jy ! Component: 600 - total flux cleaned = 0.00690807 Jy ! Component: 650 - total flux cleaned = 0.00752397 Jy ! Component: 700 - total flux cleaned = 0.00795308 Jy ! Component: 750 - total flux cleaned = 0.00829127 Jy ! Component: 800 - total flux cleaned = 0.00870912 Jy ! Component: 850 - total flux cleaned = 0.00928386 Jy ! Component: 900 - total flux cleaned = 0.00984777 Jy ! Component: 950 - total flux cleaned = 0.0104806 Jy ! Component: 1000 - total flux cleaned = 0.0111022 Jy ! Component: 1050 - total flux cleaned = 0.0114845 Jy ! Component: 1100 - total flux cleaned = 0.0118605 Jy ! Component: 1150 - total flux cleaned = 0.0122301 Jy ! Component: 1200 - total flux cleaned = 0.0125947 Jy ! Component: 1250 - total flux cleaned = 0.012953 Jy ! Component: 1300 - total flux cleaned = 0.013448 Jy ! Component: 1350 - total flux cleaned = 0.0137265 Jy ! Component: 1400 - total flux cleaned = 0.014139 Jy ! Component: 1450 - total flux cleaned = 0.014545 Jy ! Component: 1500 - total flux cleaned = 0.0149453 Jy ! Component: 1550 - total flux cleaned = 0.0152082 Jy ! Component: 1600 - total flux cleaned = 0.0154679 Jy ! Component: 1650 - total flux cleaned = 0.0155328 Jy ! Component: 1700 - total flux cleaned = 0.015978 Jy ! Component: 1750 - total flux cleaned = 0.0161035 Jy ! Component: 1800 - total flux cleaned = 0.0164756 Jy ! Component: 1850 - total flux cleaned = 0.0168419 Jy ! Component: 1900 - total flux cleaned = 0.0169026 Jy ! Component: 1950 - total flux cleaned = 0.0169632 Jy ! Component: 2000 - total flux cleaned = 0.0173192 Jy ! Total flux subtracted in 2048 components = 0.0176117 Jy ! Clean residual min=-0.003160 max=0.002917 Jy/beam ! Clean residual mean=0.000093 rms=0.001209 Jy/beam ! Combined flux in latest and established models = 2.15141 Jy keep ! Adding 136 model components to the UV plane model. ! The established model now contains 398 components and 2.15141 Jy ![Exited script file: muppet] wmap "J1517-2422_S_1998_10_01_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.796 x 8.527 at -6.41 degrees (North through East) ! Clean map min=-0.0052979 max=1.5235 Jy/beam ! Writing clean map to FITS file: J1517-2422_S_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.52354 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00121048 device "J1517-2422_S_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J1517-2422_S_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.238355 0.238355 0.47671 0.953421 1.90684 3.81368 7.62736 15.2547 30.5095 61.0189 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.523 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.796 x 8.527 at -6.41 degrees (North through East) ! Clean map min=-0.0052979 max=1.5235 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1517-2422_S_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J1517-2422_S_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1517-2422_S_1998_10_01_pus_uvs.log closed on Thu Feb 7 17:22:48 2008