! Started logfile: J2257+0743_S_2010_10_13_pus_uvs.log on Mon Feb 28 00:05:29 2011 obs J2257+0743_S_2010_10_13_pus_uva.fits ! Reading UV FITS file: J2257+0743_S_2010_10_13_pus_uva.fits ! AN table 1: 187 integrations on 105 of 105 possible baselines. ! AN table 2: 311 integrations on 105 of 105 possible baselines. ! AN table 3: 35 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.144573 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2257+0743 ! ! 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 2.23696e+09 8e+06 1 8e+06 ! 02 2 2.26696e+09 8e+06 1 8e+06 ! 03 3 2.35696e+09 8e+06 1 8e+06 ! 04 4 2.37696e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3545 lines of history. ! ! Reading 32364 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 J2257+0743_S_2010_10_13_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 1704 telescope corrections were flagged in sub-array 1. ! A total of 3863 telescope corrections were flagged in sub-array 2. ! A total of 525 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1704 telescope corrections were flagged in sub-array 1. ! A total of 3863 telescope corrections were flagged in sub-array 2. ! A total of 525 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1704 telescope corrections were flagged in sub-array 1. ! A total of 3932 telescope corrections were flagged in sub-array 2. ! A total of 525 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1704 telescope corrections were flagged in sub-array 1. ! A total of 3932 telescope corrections were flagged in sub-array 2. ! A total of 525 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.855177Jy sigma=0.008496 ! Fit after self-cal, rms=0.717865Jy sigma=0.007243 ! 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=1.667 mas, bmaj=3.257 mas, bpa=15.66 degrees ! Estimated noise=678.048 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 = 0.223316 Jy ! Component: 100 - total flux cleaned = 0.293068 Jy ! Total flux subtracted in 100 components = 0.293068 Jy ! Clean residual min=-0.010575 max=0.031444 Jy/beam ! Clean residual mean=0.000534 rms=0.003236 Jy/beam ! Combined flux in latest and established models = 0.293067 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.293067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167128Jy sigma=0.001471 ! Fit after self-cal, rms=0.166897Jy sigma=0.001469 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0354065 Jy ! Component: 100 - total flux cleaned = 0.0541869 Jy ! Total flux subtracted in 100 components = 0.0541869 Jy ! Clean residual min=-0.005396 max=0.012582 Jy/beam ! Clean residual mean=0.000377 rms=0.001724 Jy/beam ! Combined flux in latest and established models = 0.347254 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 20 components and 0.347254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158069Jy sigma=0.001337 ! Fit after self-cal, rms=0.158019Jy sigma=0.001336 ! Inverting map ! Added new window around map position (-2.5, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125339 Jy ! Component: 100 - total flux cleaned = 0.0196146 Jy ! Total flux subtracted in 100 components = 0.0196146 Jy ! Clean residual min=-0.005128 max=0.007893 Jy/beam ! Clean residual mean=0.000320 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 0.366869 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 24 components and 0.366869 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156864Jy sigma=0.001318 ! Fit after self-cal, rms=0.156774Jy sigma=0.001317 ! 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=1.984 mas, bmaj=4.218 mas, bpa=12.97 degrees ! Estimated noise=403.933 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 (-6.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00976866 Jy ! Component: 100 - total flux cleaned = 0.01508 Jy ! Component: 150 - total flux cleaned = 0.0183844 Jy ! Component: 200 - total flux cleaned = 0.0204733 Jy ! Total flux subtracted in 200 components = 0.0204733 Jy ! Clean residual min=-0.003345 max=0.004997 Jy/beam ! Clean residual mean=0.000684 rms=0.001135 Jy/beam ! Combined flux in latest and established models = 0.387342 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 48 components and 0.387342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156247Jy sigma=0.001309 ! Fit after self-cal, rms=0.156149Jy sigma=0.001308 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HH 1.01 HN 1.03 ! KB 1.00* KK 1.00* KP 0.99 LA 1.06 ! MK 1.00* NL 0.97 NY 0.99 OV 1.02 ! PT 1.01 SC 0.95 TS 1.00* ! ! A total of 141 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.01 HH 1.00* HN 1.00* ! KB 0.90 KK 0.99 KP 0.95 LA 1.02 ! MK 1.04 NL 0.96 NY 1.00* OV 0.96 ! PT 0.97 SC 1.00* TS 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HH 0.98 HN 1.01 ! KB 1.00* KK 1.00* KP 1.02 LA 1.01 ! MK 1.00* NL 1.00 NY 1.07 OV 1.07 ! PT 1.03 SC 0.97 TS 1.00* ! ! A total of 141 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.01 HH 1.00* HN 1.00* ! KB 0.90 KK 0.99 KP 1.00 LA 0.97 ! MK 0.98 NL 0.98 NY 1.00* OV 1.03 ! PT 0.97 SC 1.00* TS 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HH 1.00 HN 1.03 ! KB 1.00* KK 1.00* KP 1.03 LA 1.01 ! MK 1.00* NL 0.99 NY 1.04 OV 1.04 ! PT 1.03 SC 0.97 TS 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.01 HH 1.00* HN 1.00* ! KB 0.90 KK 1.02 KP 1.00 LA 0.97 ! MK 0.93 NL 0.97 NY 1.00* OV 0.99 ! PT 0.97 SC 1.00* TS 0.96 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HH 0.93 HN 1.02 ! KB 1.00* KK 1.00* KP 1.02 LA 1.03 ! MK 1.00* NL 1.01 NY 0.98 OV 0.99 ! PT 1.01 SC 1.00 TS 1.00* ! ! A total of 72 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.05 HH 1.00* HN 1.00* ! KB 0.94 KK 1.00 KP 0.97 LA 0.97 ! MK 0.94 NL 0.96 NY 1.00* OV 0.99 ! PT 0.98 SC 1.00* TS 1.18 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! ! Fit before self-cal, rms=0.156149Jy sigma=0.001308 ! Fit after self-cal, rms=0.155329Jy sigma=0.001296 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.974 mas, bmaj=4.433 mas, bpa=13.28 degrees ! Estimated noise=402.333 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 = 0.00409393 Jy ! Component: 100 - total flux cleaned = 0.0047158 Jy ! Component: 150 - total flux cleaned = 0.00499128 Jy ! Component: 200 - total flux cleaned = 0.00522231 Jy ! Total flux subtracted in 200 components = 0.00522231 Jy ! Clean residual min=-0.002145 max=0.003931 Jy/beam ! Clean residual mean=0.000394 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 0.392564 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 72 components and 0.392564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155230Jy sigma=0.001294 ! Fit after self-cal, rms=0.155221Jy sigma=0.001294 ! Inverting map ! Added new window around map position (-50, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00356913 Jy ! Component: 100 - total flux cleaned = 0.00503393 Jy ! Component: 150 - total flux cleaned = 0.0055518 Jy ! Component: 200 - total flux cleaned = 0.00581766 Jy ! Total flux subtracted in 200 components = 0.00581766 Jy ! Clean residual min=-0.001953 max=0.003207 Jy/beam ! Clean residual mean=0.000333 rms=0.000698 Jy/beam ! Combined flux in latest and established models = 0.398382 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 87 components and 0.398382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155135Jy sigma=0.001293 ! Fit after self-cal, rms=0.155125Jy sigma=0.001293 ! 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=0.155125Jy sigma=0.001293 ! Fit after self-cal, rms=0.154981Jy sigma=0.001292 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.971 mas, bmaj=4.429 mas, bpa=13.14 degrees ! Estimated noise=402.598 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156655 Jy ! Component: 100 - total flux cleaned = 0.00226635 Jy ! Component: 150 - total flux cleaned = 0.00262615 Jy ! Component: 200 - total flux cleaned = 0.0027853 Jy ! Total flux subtracted in 200 components = 0.0027853 Jy ! Clean residual min=-0.001833 max=0.002773 Jy/beam ! Clean residual mean=0.000242 rms=0.000634 Jy/beam ! Combined flux in latest and established models = 0.401167 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 97 components and 0.401168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154948Jy sigma=0.001291 ! Fit after self-cal, rms=0.154942Jy sigma=0.001291 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 (-27, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0028373 Jy ! Component: 100 - total flux cleaned = 0.00392261 Jy ! Component: 150 - total flux cleaned = 0.00413973 Jy ! Component: 200 - total flux cleaned = 0.00432351 Jy ! Total flux subtracted in 200 components = 0.00432351 Jy ! Clean residual min=-0.001619 max=0.002739 Jy/beam ! Clean residual mean=0.000203 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.405491 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 125 components and 0.405491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154889Jy sigma=0.001290 ! Fit after self-cal, rms=0.154886Jy sigma=0.001290 ! Inverting map ! Added new window around map position (-56, -32). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00212923 Jy ! Component: 100 - total flux cleaned = 0.00281814 Jy ! Component: 150 - total flux cleaned = 0.00316301 Jy ! Component: 200 - total flux cleaned = 0.00339328 Jy ! Total flux subtracted in 200 components = 0.00339328 Jy ! Clean residual min=-0.001558 max=0.002363 Jy/beam ! Clean residual mean=0.000170 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.408884 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 141 components and 0.408884 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154832Jy sigma=0.001290 ! Fit after self-cal, rms=0.154828Jy sigma=0.001290 ! Inverting map ! Added new window around map position (-54.5, 16.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00200107 Jy ! Component: 100 - total flux cleaned = 0.00283797 Jy ! Component: 150 - total flux cleaned = 0.00302976 Jy ! Component: 200 - total flux cleaned = 0.00324015 Jy ! Total flux subtracted in 200 components = 0.00324015 Jy ! Clean residual min=-0.001614 max=0.002141 Jy/beam ! Clean residual mean=0.000133 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 0.412125 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 156 components and 0.412125 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154787Jy sigma=0.001289 ! Fit after self-cal, rms=0.154785Jy sigma=0.001289 ! Inverting map ! Added new window around map position (-8.5, -31.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187075 Jy ! Component: 100 - total flux cleaned = 0.00250123 Jy ! Component: 150 - total flux cleaned = 0.00267643 Jy ! Component: 200 - total flux cleaned = 0.00280811 Jy ! Total flux subtracted in 200 components = 0.00280811 Jy ! Clean residual min=-0.001739 max=0.002033 Jy/beam ! Clean residual mean=0.000103 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.414933 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 171 components and 0.414933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154754Jy sigma=0.001289 ! Fit after self-cal, rms=0.154754Jy sigma=0.001289 ! 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=0.154754Jy sigma=0.001289 ! Fit after self-cal, rms=0.154561Jy sigma=0.001288 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.972 mas, bmaj=4.427 mas, bpa=13.06 degrees ! Estimated noise=402.885 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000518628 Jy ! Component: 100 - total flux cleaned = 0.000403172 Jy ! Component: 150 - total flux cleaned = 0.000403974 Jy ! Component: 200 - total flux cleaned = 0.000340965 Jy ! Total flux subtracted in 200 components = 0.000340965 Jy ! Clean residual min=-0.001367 max=0.001612 Jy/beam ! Clean residual mean=0.000103 rms=0.000415 Jy/beam ! Combined flux in latest and established models = 0.415274 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 183 components and 0.415274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154542Jy sigma=0.001288 ! Fit after self-cal, rms=0.154543Jy sigma=0.001288 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 = 4.56899e-05 Jy ! Component: 100 - total flux cleaned = 1.51822e-05 Jy ! Component: 150 - total flux cleaned = -1.2851e-05 Jy ! Component: 200 - total flux cleaned = -3.97519e-05 Jy ! Total flux subtracted in 200 components = -3.97519e-05 Jy ! Clean residual min=-0.001395 max=0.001615 Jy/beam ! Clean residual mean=0.000103 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.415234 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 193 components and 0.415234 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154531Jy sigma=0.001288 ! Fit after self-cal, rms=0.154532Jy sigma=0.001288 ! 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=0.154532Jy sigma=0.001288 ! Fit after self-cal, rms=0.154600Jy sigma=0.001288 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.556 mas, bmaj=11.45 mas, bpa=3.304 degrees ! Estimated noise=528.184 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00084224 Jy ! Component: 100 - total flux cleaned = 0.0010378 Jy ! Component: 150 - total flux cleaned = 0.00119945 Jy ! Component: 200 - total flux cleaned = 0.00132505 Jy ! Total flux subtracted in 200 components = 0.00132505 Jy ! Clean residual min=-0.001363 max=0.001810 Jy/beam ! Clean residual mean=0.000223 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 0.416559 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 210 components and 0.416559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154595Jy sigma=0.001288 ! Fit after self-cal, rms=0.154596Jy sigma=0.001288 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 = 0.000247476 Jy ! Component: 100 - total flux cleaned = 0.000305311 Jy ! Component: 150 - total flux cleaned = 0.000393327 Jy ! Component: 200 - total flux cleaned = 0.000458079 Jy ! Total flux subtracted in 200 components = 0.000458079 Jy ! Clean residual min=-0.001298 max=0.001814 Jy/beam ! Clean residual mean=0.000210 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 0.417017 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 221 components and 0.417017 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154593Jy sigma=0.001288 ! Fit after self-cal, rms=0.154593Jy sigma=0.001288 ! 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=1.972 mas, bmaj=4.426 mas, bpa=13.04 degrees ! Estimated noise=403.162 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.972 x 4.426 at 13.04 degrees (North through East) ! Clean map min=-0.0013952 max=0.29587 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=1.664 mas, bmaj=3.611 mas, bpa=17.33 degrees ! Estimated noise=671.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.222695 Jy ! Component: 100 - total flux cleaned = 0.294813 Jy ! Component: 150 - total flux cleaned = 0.330157 Jy ! Component: 200 - total flux cleaned = 0.350002 Jy ! Total flux subtracted in 200 components = 0.350002 Jy ! Clean residual min=-0.004162 max=0.010177 Jy/beam ! Clean residual mean=0.000261 rms=0.001374 Jy/beam ! Combined flux in latest and established models = 0.350002 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.350002 Jy ! Inverting map and beam ! Estimated beam: bmin=1.972 mas, bmaj=4.426 mas, bpa=13.04 degrees ! Estimated noise=403.162 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 = 0.0186716 Jy ! Component: 100 - total flux cleaned = 0.0288743 Jy ! Component: 150 - total flux cleaned = 0.0352715 Jy ! Component: 200 - total flux cleaned = 0.0399337 Jy ! Total flux subtracted in 200 components = 0.0399337 Jy ! Clean residual min=-0.001886 max=0.003235 Jy/beam ! Clean residual mean=0.000390 rms=0.000791 Jy/beam ! Combined flux in latest and established models = 0.389935 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 63 components and 0.389936 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=9.556 mas, bmaj=11.45 mas, bpa=3.304 degrees ! Estimated noise=528.184 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00663777 Jy ! Component: 100 - total flux cleaned = 0.0109938 Jy ! Component: 150 - total flux cleaned = 0.0143437 Jy ! Component: 200 - total flux cleaned = 0.0170242 Jy ! Total flux subtracted in 200 components = 0.0170242 Jy ! Clean residual min=-0.001857 max=0.002593 Jy/beam ! Clean residual mean=0.000467 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.40696 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 = 0.00216099 Jy ! Component: 100 - total flux cleaned = 0.00392158 Jy ! Component: 150 - total flux cleaned = 0.00536359 Jy ! Component: 200 - total flux cleaned = 0.00646478 Jy ! Total flux subtracted in 200 components = 0.00646478 Jy ! Clean residual min=-0.001556 max=0.001965 Jy/beam ! Clean residual mean=0.000295 rms=0.000560 Jy/beam ! Combined flux in latest and established models = 0.413425 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 138 components and 0.413425 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.972 mas, bmaj=4.426 mas, bpa=13.04 degrees ! Estimated noise=403.162 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103388 Jy ! Component: 100 - total flux cleaned = 0.00163265 Jy ! Component: 150 - total flux cleaned = 0.00209279 Jy ! Component: 200 - total flux cleaned = 0.00240566 Jy ! Total flux subtracted in 200 components = 0.00240566 Jy ! Clean residual min=-0.001439 max=0.001960 Jy/beam ! Clean residual mean=0.000103 rms=0.000432 Jy/beam ! Combined flux in latest and established models = 0.41583 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 162 components and 0.41583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154663Jy sigma=0.001288 ! Fit after self-cal, rms=0.154658Jy sigma=0.001288 wmodel J2257+0743_S_2010_10_13_pus_map.mod ! Writing 162 model components to file: J2257+0743_S_2010_10_13_pus_map.mod wobs J2257+0743_S_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J2257+0743_S_2010_10_13_pus_uvs.fits wwins J2257+0743_S_2010_10_13_pus_map.win ! wwins: Wrote 8 windows to J2257+0743_S_2010_10_13_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 = 0.000802321 Jy ! Component: 100 - total flux cleaned = 0.00140381 Jy ! Component: 150 - total flux cleaned = 0.00177887 Jy ! Component: 200 - total flux cleaned = 0.0020868 Jy ! Component: 250 - total flux cleaned = 0.00233431 Jy ! Component: 300 - total flux cleaned = 0.00255173 Jy ! Component: 350 - total flux cleaned = 0.00278822 Jy ! Component: 400 - total flux cleaned = 0.00297344 Jy ! Component: 450 - total flux cleaned = 0.00313272 Jy ! Component: 500 - total flux cleaned = 0.00326735 Jy ! Component: 550 - total flux cleaned = 0.00342197 Jy ! Component: 600 - total flux cleaned = 0.00359626 Jy ! Component: 650 - total flux cleaned = 0.00374643 Jy ! Component: 700 - total flux cleaned = 0.00387371 Jy ! Component: 750 - total flux cleaned = 0.0040412 Jy ! Component: 800 - total flux cleaned = 0.00418605 Jy ! Component: 850 - total flux cleaned = 0.00434943 Jy ! Component: 900 - total flux cleaned = 0.00447074 Jy ! Component: 950 - total flux cleaned = 0.00459069 Jy ! Component: 1000 - total flux cleaned = 0.00468981 Jy ! Component: 1050 - total flux cleaned = 0.00484666 Jy ! Component: 1100 - total flux cleaned = 0.00492435 Jy ! Component: 1150 - total flux cleaned = 0.00505892 Jy ! Component: 1200 - total flux cleaned = 0.00513486 Jy ! Component: 1250 - total flux cleaned = 0.00521032 Jy ! Component: 1300 - total flux cleaned = 0.00532264 Jy ! Component: 1350 - total flux cleaned = 0.0054339 Jy ! Component: 1400 - total flux cleaned = 0.00548899 Jy ! Component: 1450 - total flux cleaned = 0.00559832 Jy ! Component: 1500 - total flux cleaned = 0.00565246 Jy ! Component: 1550 - total flux cleaned = 0.00574218 Jy ! Component: 1600 - total flux cleaned = 0.00581315 Jy ! Component: 1650 - total flux cleaned = 0.00586607 Jy ! Component: 1700 - total flux cleaned = 0.00595336 Jy ! Component: 1750 - total flux cleaned = 0.00597073 Jy ! Component: 1800 - total flux cleaned = 0.0060568 Jy ! Component: 1850 - total flux cleaned = 0.00610799 Jy ! Component: 1900 - total flux cleaned = 0.0061927 Jy ! Component: 1950 - total flux cleaned = 0.00620954 Jy ! Component: 2000 - total flux cleaned = 0.00627635 Jy ! Total flux subtracted in 2048 components = 0.0063262 Jy ! Clean residual min=-0.000926 max=0.001120 Jy/beam ! Clean residual mean=0.000031 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.422157 Jy keep ! Adding 133 model components to the UV plane model. ! The established model now contains 295 components and 0.422157 Jy ![Exited script file: muppet] wmap "J2257+0743_S_2010_10_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.972 x 4.426 at 13.04 degrees (North through East) ! Clean map min=-0.0014202 max=0.29523 Jy/beam ! Writing clean map to FITS file: J2257+0743_S_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.295226 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000304529 device "J2257+0743_S_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J2257+0743_S_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.309454 0.309454 0.618907 1.23781 2.47563 4.95126 9.90252 19.805 39.6101 79.2201 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.295 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.972 x 4.426 at 13.04 degrees (North through East) ! Clean map min=-0.0014202 max=0.29523 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2257+0743_S_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J2257+0743_S_2010_10_13_pus_map.gif/vgif' mapplot cln