! Started logfile: J0501-0159_S_2008_04_02_pus_uvs.log on Mon Feb 22 21:36:27 2010 obs J0501-0159_S_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0501-0159_S_2008_04_02_pus_uva.fits ! AN table 1: 136 integrations on 120 of 120 possible baselines. ! AN table 2: 197 integrations on 120 of 120 possible baselines. ! AN table 3: 15 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0795259 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0501-0159 ! ! 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 13284 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 1528 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1528 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1528 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1528 telescope corrections were flagged in sub-array 1. ! A total of 2450 telescope corrections were flagged in sub-array 2. ! A total of 135 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.737525Jy sigma=0.005892 ! Fit after self-cal, rms=0.545562Jy sigma=0.004307 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.038 mas, bmaj=4.38 mas, bpa=-19.06 degrees ! Estimated noise=1461.5 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.398207 Jy ! Component: 100 - total flux cleaned = 0.508569 Jy ! Total flux subtracted in 100 components = 0.508569 Jy ! Clean residual min=-0.026904 max=0.080234 Jy/beam ! Clean residual mean=0.001450 rms=0.009996 Jy/beam ! Combined flux in latest and established models = 0.508569 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.508569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321117Jy sigma=0.002014 ! Fit after self-cal, rms=0.319988Jy sigma=0.002012 ! Inverting map ! Added new window around map position (-4.5, 3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0794961 Jy ! Component: 100 - total flux cleaned = 0.1225 Jy ! Total flux subtracted in 100 components = 0.1225 Jy ! Clean residual min=-0.019833 max=0.034837 Jy/beam ! Clean residual mean=0.000899 rms=0.006549 Jy/beam ! Combined flux in latest and established models = 0.631069 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 25 components and 0.631069 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292151Jy sigma=0.001668 ! Fit after self-cal, rms=0.287975Jy sigma=0.001649 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.315 mas, bmaj=4.838 mas, bpa=69.36 degrees ! Estimated noise=766.236 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 = 0.0513794 Jy ! Component: 100 - total flux cleaned = 0.078574 Jy ! Component: 150 - total flux cleaned = 0.0947468 Jy ! Component: 200 - total flux cleaned = 0.104532 Jy ! Total flux subtracted in 200 components = 0.104532 Jy ! Clean residual min=-0.018105 max=0.025702 Jy/beam ! Clean residual mean=0.000757 rms=0.006366 Jy/beam ! Combined flux in latest and established models = 0.735601 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 49 components and 0.735602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276906Jy sigma=0.001541 ! Fit after self-cal, rms=0.274526Jy sigma=0.001531 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HH 1.09 HN 1.12 ! KK 1.00* KP 1.00 LA 1.17 MK 1.00* ! NL 0.98 NY 1.00* ON 0.99 OV 0.98 ! PT 0.93 SC 1.02 WZ 0.93 ZC 1.22 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.12 HH 1.10 HN 1.00* ! KK 1.07 KP 1.02 LA 1.19 MK 0.83 ! NL 1.00* NY 1.00* ON 1.01 OV 1.02 ! PT 1.01 SC 1.00* WZ 0.98 ZC 1.21 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.11 HH 1.00* HN 1.00* ! KK 1.13 KP 0.98 LA 1.19 MK 0.79 ! NL 0.96 NY 1.00* ON 1.00* OV 1.03 ! PT 1.04 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.06 HH 1.11 HN 1.20 ! KK 1.00* KP 1.03 LA 1.05 MK 1.00* ! NL 1.00 NY 1.00* ON 0.96 OV 1.02 ! PT 0.92 SC 1.05 WZ 0.88 ZC 1.14 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.22 HH 1.05 HN 1.00* ! KK 1.01 KP 1.05 LA 1.11 MK 0.83 ! NL 1.00* NY 1.00* ON 0.98 OV 1.10 ! PT 0.99 SC 1.00* WZ 0.90 ZC 1.14 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.20 HH 1.00* HN 1.00* ! KK 1.00 KP 0.99 LA 1.06 MK 0.83 ! NL 0.99 NY 1.00* ON 1.00* OV 1.06 ! PT 0.98 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.08 HH 1.02 HN 1.20 ! KK 1.00* KP 1.01 LA 0.87 MK 1.00* ! NL 1.03 NY 1.00* ON 0.91 OV 1.05 ! PT 0.96 SC 0.92 WZ 0.84 ZC 1.02 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.25 HH 1.00 HN 1.00* ! KK 0.98 KP 1.03 LA 0.84 MK 0.88 ! NL 1.00* NY 1.00* ON 0.90 OV 1.08 ! PT 1.04 SC 1.00* WZ 0.83 ZC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.20 HH 1.00* HN 1.00* ! KK 1.06 KP 1.00 LA 0.86 MK 0.85 ! NL 1.01 NY 1.00* ON 1.00* OV 1.12 ! PT 1.00 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.08 HH 0.99 HN 1.06 ! KK 1.00* KP 0.92 LA 0.70 MK 1.00* ! NL 0.97 NY 1.00* ON 0.96 OV 0.86 ! PT 0.86 SC 0.96 WZ 0.86 ZC 0.94 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.17 HH 1.03 HN 1.00* ! KK 1.01 KP 0.96 LA 0.74 MK 0.88 ! NL 1.00* NY 1.00* ON 0.99 OV 0.91 ! PT 0.91 SC 1.00* WZ 0.79 ZC 0.91 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.19 HH 1.00* HN 1.00* ! KK 1.06 KP 0.91 LA 0.75 MK 0.86 ! NL 0.91 NY 1.00* ON 1.00* OV 0.87 ! PT 0.91 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.274526Jy sigma=0.001531 ! Fit after self-cal, rms=0.237943Jy sigma=0.001244 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.343 mas, bmaj=4.898 mas, bpa=62.43 degrees ! Estimated noise=768.109 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 (-13.5, 11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0144501 Jy ! Component: 100 - total flux cleaned = 0.0206751 Jy ! Component: 150 - total flux cleaned = 0.0211925 Jy ! Component: 200 - total flux cleaned = 0.0213357 Jy ! Total flux subtracted in 200 components = 0.0213357 Jy ! Clean residual min=-0.006205 max=0.009825 Jy/beam ! Clean residual mean=0.000005 rms=0.002087 Jy/beam ! Combined flux in latest and established models = 0.756937 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 65 components and 0.756937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236942Jy sigma=0.001233 ! Fit after self-cal, rms=0.236068Jy sigma=0.001230 ! Inverting map ! Added new window around map position (-20.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00957109 Jy ! Component: 100 - total flux cleaned = 0.0125772 Jy ! Component: 150 - total flux cleaned = 0.0135429 Jy ! Component: 200 - total flux cleaned = 0.0133061 Jy ! Total flux subtracted in 200 components = 0.0133061 Jy ! Clean residual min=-0.006475 max=0.004769 Jy/beam ! Clean residual mean=-0.000076 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 0.770243 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 96 components and 0.770243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235517Jy sigma=0.001225 ! Fit after self-cal, rms=0.235449Jy sigma=0.001225 ! 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=0.235449Jy sigma=0.001225 ! Fit after self-cal, rms=0.230651Jy sigma=0.001221 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.325 mas, bmaj=4.894 mas, bpa=62.14 degrees ! Estimated noise=766.564 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00564657 Jy ! Component: 100 - total flux cleaned = 0.00793423 Jy ! Component: 150 - total flux cleaned = 0.00893125 Jy ! Component: 200 - total flux cleaned = 0.00912335 Jy ! Total flux subtracted in 200 components = 0.00912335 Jy ! Clean residual min=-0.004976 max=0.004265 Jy/beam ! Clean residual mean=-0.000005 rms=0.001213 Jy/beam ! Combined flux in latest and established models = 0.779367 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 110 components and 0.779367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230401Jy sigma=0.001219 ! Fit after self-cal, rms=0.230160Jy sigma=0.001219 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 = 0.00148333 Jy ! Component: 100 - total flux cleaned = 0.00148333 Jy ! Component: 150 - total flux cleaned = 0.00140839 Jy ! Component: 200 - total flux cleaned = 0.00126371 Jy ! Total flux subtracted in 200 components = 0.00126371 Jy ! Clean residual min=-0.005070 max=0.003864 Jy/beam ! Clean residual mean=-0.000017 rms=0.001162 Jy/beam ! Combined flux in latest and established models = 0.78063 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 120 components and 0.78063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230083Jy sigma=0.001218 ! Fit after self-cal, rms=0.230091Jy sigma=0.001218 ! 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=0.230091Jy sigma=0.001218 ! Fit after self-cal, rms=0.228393Jy sigma=0.001218 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.319 mas, bmaj=4.89 mas, bpa=62.02 degrees ! Estimated noise=766.988 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00304551 Jy ! Component: 100 - total flux cleaned = 0.00404227 Jy ! Component: 150 - total flux cleaned = 0.0040506 Jy ! Component: 200 - total flux cleaned = 0.00405376 Jy ! Total flux subtracted in 200 components = 0.00405376 Jy ! Clean residual min=-0.004578 max=0.003950 Jy/beam ! Clean residual mean=0.000005 rms=0.001071 Jy/beam ! Combined flux in latest and established models = 0.784684 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 130 components and 0.784684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228312Jy sigma=0.001217 ! Fit after self-cal, rms=0.228245Jy sigma=0.001217 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 = 0.00067439 Jy ! Component: 100 - total flux cleaned = 0.000800351 Jy ! Component: 150 - total flux cleaned = 0.0007984 Jy ! Component: 200 - total flux cleaned = 0.000691229 Jy ! Total flux subtracted in 200 components = 0.000691229 Jy ! Clean residual min=-0.004585 max=0.003675 Jy/beam ! Clean residual mean=-0.000001 rms=0.001048 Jy/beam ! Combined flux in latest and established models = 0.785376 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 134 components and 0.785376 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228209Jy sigma=0.001217 ! Fit after self-cal, rms=0.228226Jy sigma=0.001217 ! 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=0.228226Jy sigma=0.001217 ! Fit after self-cal, rms=0.227292Jy sigma=0.001216 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.001 mas, bmaj=14.27 mas, bpa=15.1 degrees ! Estimated noise=844.925 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0017747 Jy ! Component: 100 - total flux cleaned = 0.00231559 Jy ! Component: 150 - total flux cleaned = 0.00239659 Jy ! Component: 200 - total flux cleaned = 0.00246734 Jy ! Total flux subtracted in 200 components = 0.00246734 Jy ! Clean residual min=-0.003593 max=0.003400 Jy/beam ! Clean residual mean=0.000016 rms=0.001169 Jy/beam ! Combined flux in latest and established models = 0.787843 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 146 components and 0.787843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227271Jy sigma=0.001216 ! Fit after self-cal, rms=0.227220Jy sigma=0.001216 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 = 0.000130389 Jy ! Component: 100 - total flux cleaned = 0.00045111 Jy ! Component: 150 - total flux cleaned = 0.000513255 Jy ! Component: 200 - total flux cleaned = 0.000573454 Jy ! Total flux subtracted in 200 components = 0.000573454 Jy ! Clean residual min=-0.003625 max=0.003428 Jy/beam ! Clean residual mean=0.000009 rms=0.001158 Jy/beam ! Combined flux in latest and established models = 0.788416 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 154 components and 0.788416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227213Jy sigma=0.001216 ! Fit after self-cal, rms=0.227194Jy sigma=0.001216 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=4.313 mas, bmaj=4.888 mas, bpa=62.08 degrees ! Estimated noise=767.404 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.313 x 4.888 at 62.08 degrees (North through East) ! Clean map min=-0.0050896 max=0.49146 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.061 mas, bmaj=4.403 mas, bpa=-16.7 degrees ! Estimated noise=1434.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.387429 Jy ! Component: 100 - total flux cleaned = 0.517796 Jy ! Component: 150 - total flux cleaned = 0.590847 Jy ! Component: 200 - total flux cleaned = 0.633526 Jy ! Total flux subtracted in 200 components = 0.633526 Jy ! Clean residual min=-0.009749 max=0.022763 Jy/beam ! Clean residual mean=0.000675 rms=0.004185 Jy/beam ! Combined flux in latest and established models = 0.633526 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.633526 Jy ! Inverting map and beam ! Estimated beam: bmin=4.313 mas, bmaj=4.888 mas, bpa=62.08 degrees ! Estimated noise=767.404 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 = 0.0488766 Jy ! Component: 100 - total flux cleaned = 0.0783663 Jy ! Component: 150 - total flux cleaned = 0.0984555 Jy ! Component: 200 - total flux cleaned = 0.112663 Jy ! Total flux subtracted in 200 components = 0.112663 Jy ! Clean residual min=-0.005948 max=0.009082 Jy/beam ! Clean residual mean=0.000270 rms=0.002445 Jy/beam ! Combined flux in latest and established models = 0.746189 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 68 components and 0.746189 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=9.001 mas, bmaj=14.27 mas, bpa=15.1 degrees ! Estimated noise=844.925 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0143414 Jy ! Component: 100 - total flux cleaned = 0.02324 Jy ! Component: 150 - total flux cleaned = 0.0290939 Jy ! Component: 200 - total flux cleaned = 0.0330948 Jy ! Total flux subtracted in 200 components = 0.0330948 Jy ! Clean residual min=-0.003801 max=0.003787 Jy/beam ! Clean residual mean=0.000101 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 0.779284 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 = 0.00282096 Jy ! Component: 100 - total flux cleaned = 0.00486002 Jy ! Component: 150 - total flux cleaned = 0.0063819 Jy ! Component: 200 - total flux cleaned = 0.00678212 Jy ! Total flux subtracted in 200 components = 0.00678212 Jy ! Clean residual min=-0.003522 max=0.003588 Jy/beam ! Clean residual mean=0.000034 rms=0.001228 Jy/beam ! Combined flux in latest and established models = 0.786066 Jy ! Adding 82 model components to the UV plane model. ! The established model now contains 137 components and 0.786066 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.313 mas, bmaj=4.888 mas, bpa=62.08 degrees ! Estimated noise=767.404 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000320564 Jy ! Component: 100 - total flux cleaned = -0.000325523 Jy ! Component: 150 - total flux cleaned = -0.000419999 Jy ! Component: 200 - total flux cleaned = -0.000328361 Jy ! Total flux subtracted in 200 components = -0.000328361 Jy ! Clean residual min=-0.003980 max=0.003622 Jy/beam ! Clean residual mean=0.000023 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.785738 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 152 components and 0.785738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227233Jy sigma=0.001217 ! Fit after self-cal, rms=0.227427Jy sigma=0.001216 wmodel J0501-0159_S_2008_04_02_pus_map.mod ! Writing 152 model components to file: J0501-0159_S_2008_04_02_pus_map.mod wobs J0501-0159_S_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0501-0159_S_2008_04_02_pus_uvs.fits wwins J0501-0159_S_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J0501-0159_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 = -0.000381431 Jy ! Component: 100 - total flux cleaned = -0.00024796 Jy ! Component: 150 - total flux cleaned = -0.000305147 Jy ! Component: 200 - total flux cleaned = -0.000407675 Jy ! Component: 250 - total flux cleaned = -0.000554225 Jy ! Component: 300 - total flux cleaned = -0.000790773 Jy ! Component: 350 - total flux cleaned = -0.00101958 Jy ! Component: 400 - total flux cleaned = -0.0011975 Jy ! Component: 450 - total flux cleaned = -0.00132658 Jy ! Component: 500 - total flux cleaned = -0.0013684 Jy ! Component: 550 - total flux cleaned = -0.001569 Jy ! Component: 600 - total flux cleaned = -0.00160681 Jy ! Component: 650 - total flux cleaned = -0.00160687 Jy ! Component: 700 - total flux cleaned = -0.00179222 Jy ! Component: 750 - total flux cleaned = -0.00193656 Jy ! Component: 800 - total flux cleaned = -0.00204313 Jy ! Component: 850 - total flux cleaned = -0.00221729 Jy ! Component: 900 - total flux cleaned = -0.00238798 Jy ! Component: 950 - total flux cleaned = -0.00248822 Jy ! Component: 1000 - total flux cleaned = -0.00265175 Jy ! Component: 1050 - total flux cleaned = -0.00268406 Jy ! Component: 1100 - total flux cleaned = -0.00274695 Jy ! Component: 1150 - total flux cleaned = -0.0027781 Jy ! Component: 1200 - total flux cleaned = -0.00271696 Jy ! Component: 1250 - total flux cleaned = -0.00274692 Jy ! Component: 1300 - total flux cleaned = -0.0028057 Jy ! Component: 1350 - total flux cleaned = -0.00280517 Jy ! Component: 1400 - total flux cleaned = -0.00283386 Jy ! Component: 1450 - total flux cleaned = -0.00280547 Jy ! Component: 1500 - total flux cleaned = -0.00280553 Jy ! Component: 1550 - total flux cleaned = -0.00275047 Jy ! Component: 1600 - total flux cleaned = -0.00272327 Jy ! Component: 1650 - total flux cleaned = -0.00272324 Jy ! Component: 1700 - total flux cleaned = -0.00269652 Jy ! Component: 1750 - total flux cleaned = -0.00256432 Jy ! Component: 1800 - total flux cleaned = -0.00248578 Jy ! Component: 1850 - total flux cleaned = -0.00243361 Jy ! Component: 1900 - total flux cleaned = -0.00227936 Jy ! Component: 1950 - total flux cleaned = -0.0022032 Jy ! Component: 2000 - total flux cleaned = -0.00215275 Jy ! Total flux subtracted in 2048 components = -0.002128 Jy ! Clean residual min=-0.001660 max=0.001927 Jy/beam ! Clean residual mean=-0.000023 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.78361 Jy keep ! Adding 129 model components to the UV plane model. ! The established model now contains 281 components and 0.78361 Jy wmap "J0501-0159_S_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.313 x 4.888 at 62.08 degrees (North through East) ! Clean map min=-0.0031963 max=0.50007 Jy/beam ! Writing clean map to FITS file: J0501-0159_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 0.500074 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000503795 device "J0501-0159_S_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0501-0159_S_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.302232 0.302232 0.604464 1.20893 2.41786 4.83572 9.67143 19.3429 38.6857 77.3714 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.5 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.313 x 4.888 at 62.08 degrees (North through East) ! Clean map min=-0.0031963 max=0.50007 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0501-0159_S_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0501-0159_S_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0501-0159_S_2008_04_02_pus_uvs.log closed on Mon Feb 22 21:36:32 2010