! Started logfile: J2258-2758_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:29:11 2010 obs J2258-2758_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J2258-2758_X_2007_12_05_pus_uva.fits ! AN table 1: 132 integrations on 136 of 136 possible baselines. ! AN table 2: 23 integrations on 136 of 136 possible baselines. ! AN table 3: 62 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0459813 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2258-2758 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1501 lines of history. ! ! Reading 5428 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 0.200x0.200 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 1899 telescope corrections were flagged in sub-array 1. ! A total of 259 telescope corrections were flagged in sub-array 2. ! A total of 797 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1899 telescope corrections were flagged in sub-array 1. ! A total of 259 telescope corrections were flagged in sub-array 2. ! A total of 797 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1899 telescope corrections were flagged in sub-array 1. ! A total of 259 telescope corrections were flagged in sub-array 2. ! A total of 797 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2244 telescope corrections were flagged in sub-array 1. ! A total of 259 telescope corrections were flagged in sub-array 2. ! A total of 797 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.071822Jy sigma=0.008601 ! Fit after self-cal, rms=0.595190Jy sigma=0.004723 ! 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=1.471 mas, bmaj=1.914 mas, bpa=-37.29 degrees ! Estimated noise=1956.01 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 = 1.13595 Jy ! Component: 100 - total flux cleaned = 1.40226 Jy ! Total flux subtracted in 100 components = 1.40226 Jy ! Clean residual min=-0.073618 max=0.114904 Jy/beam ! Clean residual mean=-0.000264 rms=0.022226 Jy/beam ! Combined flux in latest and established models = 1.40226 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 1.40226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314530Jy sigma=0.002402 ! Fit after self-cal, rms=0.314510Jy sigma=0.002401 ! 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=1.363 mas, bmaj=2.111 mas, bpa=-74.96 degrees ! Estimated noise=1264.42 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 = 0.134044 Jy ! Component: 100 - total flux cleaned = 0.190617 Jy ! Component: 150 - total flux cleaned = 0.192046 Jy ! Component: 200 - total flux cleaned = 0.19338 Jy ! Total flux subtracted in 200 components = 0.19338 Jy ! Clean residual min=-0.052138 max=0.058216 Jy/beam ! Clean residual mean=-0.000177 rms=0.013930 Jy/beam ! Combined flux in latest and established models = 1.59564 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 1.59564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248859Jy sigma=0.001919 ! Fit after self-cal, rms=0.248725Jy sigma=0.001919 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 345 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 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* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 HH 1.00* HN 1.00* ! KB 1.00* KP 0.96 LA 0.98 MK 1.00* ! NL 1.17 NY 1.00* ON 1.00* OV 0.95 ! PT 0.97 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.92 HH 1.00* HN 0.94 ! KB 1.00* KP 1.05 LA 1.03 MK 1.00* ! NL 1.09 NY 1.00* ON 1.00* OV 1.00 ! PT 1.01 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 2. ! A total of 345 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 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* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KP 0.91 LA 0.96 MK 1.00* ! NL 1.12 NY 1.00* ON 1.00* OV 0.94 ! PT 1.02 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.92 HH 1.00* HN 0.94 ! KB 1.00* KP 0.98 LA 1.01 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* OV 0.97 ! PT 1.06 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 3. ! A total of 345 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 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* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 HH 1.00* HN 1.00* ! KB 1.00* KP 0.96 LA 0.99 MK 1.00* ! NL 1.13 NY 1.00* ON 1.00* OV 0.96 ! PT 1.03 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.91 HH 1.00* HN 0.94 ! KB 1.00* KP 1.02 LA 1.05 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* OV 1.02 ! PT 1.07 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 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* SV 0.00* TS 0.00* WZ 0.00* ! ZC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.97 HH 1.00* HN 1.00* ! KB 1.00* KP 0.95 LA 0.97 MK 1.00* ! NL 1.13 NY 1.00* ON 1.00* OV 0.98 ! PT 1.03 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.90 HH 1.00* HN 0.96 ! KB 1.00* KP 1.02 LA 1.02 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 1.03 ! PT 1.05 SV 1.00* TS 1.00* WZ 1.00* ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.248725Jy sigma=0.001919 ! Fit after self-cal, rms=0.218719Jy sigma=0.001732 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.092 mas, bmaj=5.362 mas, bpa=-15.33 degrees ! Estimated noise=1377.42 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 = 0.00457378 Jy ! Component: 100 - total flux cleaned = 0.00462692 Jy ! Component: 150 - total flux cleaned = 0.00419513 Jy ! Component: 200 - total flux cleaned = 0.00382181 Jy ! Total flux subtracted in 200 components = 0.00382181 Jy ! Clean residual min=-0.036031 max=0.032960 Jy/beam ! Clean residual mean=0.000050 rms=0.009761 Jy/beam ! Combined flux in latest and established models = 1.59946 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 34 components and 1.59946 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217653Jy sigma=0.001730 ! Fit after self-cal, rms=0.217650Jy sigma=0.001730 ! 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=0.217650Jy sigma=0.001730 ! Fit after self-cal, rms=0.216405Jy sigma=0.001656 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.114 mas, bmaj=5.347 mas, bpa=-15.03 degrees ! Estimated noise=1393.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125005 Jy ! Component: 100 - total flux cleaned = 0.0116701 Jy ! Component: 150 - total flux cleaned = 0.0109729 Jy ! Component: 200 - total flux cleaned = 0.0103623 Jy ! Total flux subtracted in 200 components = 0.0103623 Jy ! Clean residual min=-0.037619 max=0.032392 Jy/beam ! Clean residual mean=0.000018 rms=0.009343 Jy/beam ! Combined flux in latest and established models = 1.60982 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 35 components and 1.60982 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213698Jy sigma=0.001648 ! Fit after self-cal, rms=0.213682Jy sigma=0.001648 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 = -0.000766041 Jy ! Component: 100 - total flux cleaned = -0.00120353 Jy ! Component: 150 - total flux cleaned = -0.00158817 Jy ! Component: 200 - total flux cleaned = -0.00192591 Jy ! Total flux subtracted in 200 components = -0.00192591 Jy ! Clean residual min=-0.037635 max=0.032888 Jy/beam ! Clean residual mean=0.000029 rms=0.009327 Jy/beam ! Combined flux in latest and established models = 1.6079 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 37 components and 1.6079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213133Jy sigma=0.001646 ! Fit after self-cal, rms=0.213105Jy sigma=0.001646 ! 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=0.213105Jy sigma=0.001646 ! Fit after self-cal, rms=0.175375Jy sigma=0.001203 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.118 mas, bmaj=5.368 mas, bpa=-14.84 degrees ! Estimated noise=1394.67 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134442 Jy ! Component: 100 - total flux cleaned = 0.00150554 Jy ! Component: 150 - total flux cleaned = 0.00180782 Jy ! Component: 200 - total flux cleaned = 0.0020801 Jy ! Total flux subtracted in 200 components = 0.0020801 Jy ! Clean residual min=-0.010291 max=0.028633 Jy/beam ! Clean residual mean=0.000460 rms=0.005295 Jy/beam ! Combined flux in latest and established models = 1.60998 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 43 components and 1.60998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175103Jy sigma=0.001201 ! Fit after self-cal, rms=0.175090Jy sigma=0.001200 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 (-4.4, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0261856 Jy ! Component: 100 - total flux cleaned = 0.0342476 Jy ! Component: 150 - total flux cleaned = 0.0371362 Jy ! Component: 200 - total flux cleaned = 0.039209 Jy ! Total flux subtracted in 200 components = 0.039209 Jy ! Clean residual min=-0.008393 max=0.009603 Jy/beam ! Clean residual mean=0.000135 rms=0.002715 Jy/beam ! Combined flux in latest and established models = 1.64919 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 71 components and 1.64919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170843Jy sigma=0.001161 ! Fit after self-cal, rms=0.170485Jy sigma=0.001158 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.170485Jy sigma=0.001158 ! Fit after self-cal, rms=0.169776Jy sigma=0.001153 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.054 mas, bmaj=6.239 mas, bpa=-9.604 degrees ! Estimated noise=1395.85 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00769024 Jy ! Component: 100 - total flux cleaned = 0.00950632 Jy ! Component: 150 - total flux cleaned = 0.0108826 Jy ! Component: 200 - total flux cleaned = 0.0110116 Jy ! Total flux subtracted in 200 components = 0.0110116 Jy ! Clean residual min=-0.005454 max=0.005302 Jy/beam ! Clean residual mean=0.000159 rms=0.001743 Jy/beam ! Combined flux in latest and established models = 1.6602 Jy selfcal ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 117 components and 1.6602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169010Jy sigma=0.001148 ! Fit after self-cal, rms=0.168937Jy sigma=0.001147 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 = 0.00171152 Jy ! Component: 100 - total flux cleaned = 0.00206459 Jy ! Component: 150 - total flux cleaned = 0.00206588 Jy ! Component: 200 - total flux cleaned = 0.00206339 Jy ! Total flux subtracted in 200 components = 0.00206339 Jy ! Clean residual min=-0.005081 max=0.004733 Jy/beam ! Clean residual mean=0.000145 rms=0.001599 Jy/beam ! Combined flux in latest and established models = 1.66226 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 134 components and 1.66226 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168584Jy sigma=0.001146 ! Fit after self-cal, rms=0.168573Jy sigma=0.001146 ! 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=2.116 mas, bmaj=5.362 mas, bpa=-14.83 degrees ! Estimated noise=1391.71 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.116 x 5.362 at -14.83 degrees (North through East) ! Clean map min=-0.010658 max=1.4846 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=0.168573Jy sigma=0.001146 ! Fit after self-cal, rms=0.153807Jy sigma=0.001008 ! Inverting map and beam ! Estimated beam: bmin=2.114 mas, bmaj=5.358 mas, bpa=-14.82 degrees ! Estimated noise=1390.92 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00216791 Jy ! Component: 100 - total flux cleaned = 0.00218187 Jy ! Component: 150 - total flux cleaned = 0.00250184 Jy ! Component: 200 - total flux cleaned = 0.00265006 Jy ! Total flux subtracted in 200 components = 0.00265006 Jy ! Clean residual min=-0.004845 max=0.005116 Jy/beam ! Clean residual mean=0.000102 rms=0.001544 Jy/beam ! Combined flux in latest and established models = 1.66491 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 150 components and 1.66491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153169Jy sigma=0.001006 ! Fit after self-cal, rms=0.153148Jy sigma=0.001006 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000816702 Jy ! Component: 100 - total flux cleaned = 0.000813459 Jy ! Component: 150 - total flux cleaned = 0.00081268 Jy ! Component: 200 - total flux cleaned = 0.00080895 Jy ! Total flux subtracted in 200 components = 0.00080895 Jy ! Clean residual min=-0.004706 max=0.004894 Jy/beam ! Clean residual mean=0.000100 rms=0.001460 Jy/beam ! Combined flux in latest and established models = 1.66572 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 160 components and 1.66572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152773Jy sigma=0.001005 ! Fit after self-cal, rms=0.152765Jy sigma=0.001005 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152765Jy sigma=0.001005 ! Fit after self-cal, rms=0.152811Jy sigma=0.001004 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=1.545 mas, bmaj=4.109 mas, bpa=-14.69 degrees ! Estimated noise=2216.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.14801 Jy ! Component: 100 - total flux cleaned = 1.40476 Jy ! Component: 150 - total flux cleaned = 1.49769 Jy ! Component: 200 - total flux cleaned = 1.54734 Jy ! Total flux subtracted in 200 components = 1.54734 Jy ! Clean residual min=-0.020589 max=0.029304 Jy/beam ! Clean residual mean=0.000087 rms=0.006728 Jy/beam ! Combined flux in latest and established models = 1.54734 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 32 model components to the UV plane model. ! The established model now contains 32 components and 1.54734 Jy ! Inverting map and beam ! Estimated beam: bmin=2.114 mas, bmaj=5.354 mas, bpa=-14.81 degrees ! Estimated noise=1390.83 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 = 0.0470309 Jy ! Component: 100 - total flux cleaned = 0.0734851 Jy ! Component: 150 - total flux cleaned = 0.0902706 Jy ! Component: 200 - total flux cleaned = 0.101523 Jy ! Total flux subtracted in 200 components = 0.101523 Jy ! Clean residual min=-0.007431 max=0.009792 Jy/beam ! Clean residual mean=0.000213 rms=0.002385 Jy/beam ! Combined flux in latest and established models = 1.64887 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 81 components and 1.64887 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.049 mas, bmaj=6.232 mas, bpa=-9.596 degrees ! Estimated noise=1395.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00893508 Jy ! Component: 100 - total flux cleaned = 0.0136051 Jy ! Component: 150 - total flux cleaned = 0.0158476 Jy ! Component: 200 - total flux cleaned = 0.0170255 Jy ! Total flux subtracted in 200 components = 0.0170255 Jy ! Clean residual min=-0.004673 max=0.005561 Jy/beam ! Clean residual mean=0.000118 rms=0.001490 Jy/beam ! Combined flux in latest and established models = 1.66589 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 = 0.000735969 Jy ! Component: 100 - total flux cleaned = 0.00138885 Jy ! Component: 150 - total flux cleaned = 0.00197132 Jy ! Component: 200 - total flux cleaned = 0.00239005 Jy ! Total flux subtracted in 200 components = 0.00239005 Jy ! Clean residual min=-0.004056 max=0.004829 Jy/beam ! Clean residual mean=0.000100 rms=0.001320 Jy/beam ! Combined flux in latest and established models = 1.66828 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 138 components and 1.66828 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.114 mas, bmaj=5.354 mas, bpa=-14.81 degrees ! Estimated noise=1390.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00052456 Jy ! Component: 100 - total flux cleaned = -0.000524897 Jy ! Component: 150 - total flux cleaned = -0.000258261 Jy ! Component: 200 - total flux cleaned = -0.000259145 Jy ! Total flux subtracted in 200 components = -0.000259145 Jy ! Clean residual min=-0.006493 max=0.005151 Jy/beam ! Clean residual mean=0.000084 rms=0.001444 Jy/beam ! Combined flux in latest and established models = 1.66802 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 153 components and 1.66802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152673Jy sigma=0.001005 ! Fit after self-cal, rms=0.152560Jy sigma=0.001005 wmodel J2258-2758_X_2007_12_05_pus_map.mod ! Writing 153 model components to file: J2258-2758_X_2007_12_05_pus_map.mod wobs J2258-2758_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J2258-2758_X_2007_12_05_pus_uvs.fits wwins J2258-2758_X_2007_12_05_pus_map.win ! wwins: Wrote 2 windows to J2258-2758_X_2007_12_05_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 = -0.00202223 Jy ! Component: 100 - total flux cleaned = -0.00151302 Jy ! Component: 150 - total flux cleaned = -0.000658973 Jy ! Component: 200 - total flux cleaned = -0.000150208 Jy ! Component: 250 - total flux cleaned = 0.000473861 Jy ! Component: 300 - total flux cleaned = 0.000877663 Jy ! Component: 350 - total flux cleaned = 0.00113707 Jy ! Component: 400 - total flux cleaned = 0.00138903 Jy ! Component: 450 - total flux cleaned = 0.00175635 Jy ! Component: 500 - total flux cleaned = 0.00205437 Jy ! Component: 550 - total flux cleaned = 0.00234548 Jy ! Component: 600 - total flux cleaned = 0.00262933 Jy ! Component: 650 - total flux cleaned = 0.00296214 Jy ! Component: 700 - total flux cleaned = 0.00323312 Jy ! Component: 750 - total flux cleaned = 0.00360373 Jy ! Component: 800 - total flux cleaned = 0.00365555 Jy ! Component: 850 - total flux cleaned = 0.00370772 Jy ! Component: 900 - total flux cleaned = 0.00395757 Jy ! Component: 950 - total flux cleaned = 0.00395679 Jy ! Component: 1000 - total flux cleaned = 0.00405312 Jy ! Component: 1050 - total flux cleaned = 0.00424207 Jy ! Component: 1100 - total flux cleaned = 0.00447308 Jy ! Component: 1150 - total flux cleaned = 0.00451799 Jy ! Component: 1200 - total flux cleaned = 0.00451839 Jy ! Component: 1250 - total flux cleaned = 0.00460691 Jy ! Component: 1300 - total flux cleaned = 0.00465056 Jy ! Component: 1350 - total flux cleaned = 0.00482069 Jy ! Component: 1400 - total flux cleaned = 0.0048203 Jy ! Component: 1450 - total flux cleaned = 0.00498556 Jy ! Component: 1500 - total flux cleaned = 0.00506683 Jy ! Component: 1550 - total flux cleaned = 0.00522755 Jy ! Component: 1600 - total flux cleaned = 0.0054256 Jy ! Component: 1650 - total flux cleaned = 0.00550345 Jy ! Component: 1700 - total flux cleaned = 0.00565817 Jy ! Component: 1750 - total flux cleaned = 0.00577217 Jy ! Component: 1800 - total flux cleaned = 0.00592214 Jy ! Component: 1850 - total flux cleaned = 0.00610698 Jy ! Component: 1900 - total flux cleaned = 0.00607005 Jy ! Component: 1950 - total flux cleaned = 0.00621495 Jy ! Component: 2000 - total flux cleaned = 0.00628645 Jy ! Total flux subtracted in 2048 components = 0.00639238 Jy ! Clean residual min=-0.001969 max=0.002098 Jy/beam ! Clean residual mean=0.000065 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 1.67441 Jy keep ! Adding 110 model components to the UV plane model. ! The established model now contains 261 components and 1.67441 Jy wmap "J2258-2758_X_2007_12_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.114 x 5.354 at -14.81 degrees (North through East) ! Clean map min=-0.0088877 max=1.4767 Jy/beam ! Writing clean map to FITS file: J2258-2758_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.47665 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000754578 device "J2258-2758_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J2258-2758_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.153302 0.153302 0.306604 0.613207 1.22641 2.45283 4.90566 9.81131 19.6226 39.2453 78.4905 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.476 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.114 x 5.354 at -14.81 degrees (North through East) ! Clean map min=-0.0088877 max=1.4767 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2258-2758_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J2258-2758_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2258-2758_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:29:16 2010