! Started logfile: J2331-1556_S_1999_05_10_pus_uvs.log on Mon Jan 21 17:52:03 2008 obs J2331-1556_S_1999_05_10_pus_uva.fits ! Reading UV FITS file: J2331-1556_S_1999_05_10_pus_uva.fits ! AN table 1: 97 integrations on 153 of 153 possible baselines. ! AN table 2: 228 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.179306 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2331-1556 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1998 lines of history. ! ! Reading 35664 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 J2331-1556_S_1999_05_10_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 1257 telescope corrections were flagged in sub-array 1. ! A total of 2271 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1257 telescope corrections were flagged in sub-array 1. ! A total of 2271 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1257 telescope corrections were flagged in sub-array 1. ! A total of 2271 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1257 telescope corrections were flagged in sub-array 1. ! A total of 2346 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.629213Jy sigma=0.004144 ! Fit after self-cal, rms=0.519950Jy sigma=0.003106 ! 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=2.084 mas, bmaj=4.52 mas, bpa=3.689 degrees ! Estimated noise=1176.28 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 = 0.523886 Jy ! Component: 100 - total flux cleaned = 0.71745 Jy ! Total flux subtracted in 100 components = 0.71745 Jy ! Clean residual min=-0.028595 max=0.089104 Jy/beam ! Clean residual mean=0.000527 rms=0.009711 Jy/beam ! Combined flux in latest and established models = 0.71745 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.71745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330971Jy sigma=0.001916 ! Fit after self-cal, rms=0.329044Jy sigma=0.001909 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0996953 Jy ! Component: 100 - total flux cleaned = 0.152747 Jy ! Total flux subtracted in 100 components = 0.152747 Jy ! Clean residual min=-0.020916 max=0.025801 Jy/beam ! Clean residual mean=0.000374 rms=0.005246 Jy/beam ! Combined flux in latest and established models = 0.870197 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.870197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.298875Jy sigma=0.001525 ! Fit after self-cal, rms=0.298248Jy sigma=0.001523 ! 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=2.34 mas, bmaj=4.872 mas, bpa=3.346 degrees ! Estimated noise=523.241 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 = 0.0324794 Jy ! Component: 100 - total flux cleaned = 0.0476011 Jy ! Component: 150 - total flux cleaned = 0.0548387 Jy ! Component: 200 - total flux cleaned = 0.0559549 Jy ! Total flux subtracted in 200 components = 0.0559549 Jy ! Clean residual min=-0.016845 max=0.033410 Jy/beam ! Clean residual mean=0.003029 rms=0.006254 Jy/beam ! Combined flux in latest and established models = 0.926151 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 35 components and 0.926151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295588Jy sigma=0.001482 ! Fit after self-cal, rms=0.295496Jy sigma=0.001482 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 0.93 KP 0.94 LA 1.00 ! MC 1.00* MK 0.93 NL 0.97 NY 1.00* ! ON 1.00* OV 1.08 PT 0.96 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.01 GC 1.00* HH 0.87 ! HN 1.01 KK 0.98 KP 0.98 LA 0.98 ! MC 2.10 MK 0.93 NL 1.04 NY 1.00* ! ON 1.05 OV 1.05 PT 1.00 SC 1.01 ! WF 0.97 WZ 1.11 ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 0.91 KP 0.97 LA 0.94 ! MC 1.00* MK 0.99 NL 0.99 NY 1.00* ! ON 1.00* OV 1.05 PT 0.94 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.06 GC 1.00* HH 0.87 ! HN 1.00 KK 0.97 KP 0.98 LA 0.94 ! MC 1.01 MK 0.98 NL 1.04 NY 1.00* ! ON 1.11 OV 1.02 PT 1.00 SC 1.02 ! WF 0.98 WZ 1.09 ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.92 KP 1.00 LA 0.97 ! MC 1.00* MK 0.92 NL 0.99 NY 1.00* ! ON 1.00* OV 1.05 PT 0.91 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.04 GC 1.00* HH 0.91 ! HN 1.02 KK 0.99 KP 0.99 LA 0.97 ! MC 1.58 MK 0.94 NL 1.06 NY 1.00* ! ON 1.11 OV 1.00 PT 0.95 SC 1.01 ! WF 0.98 WZ 1.09 ! ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 0.91 KP 1.02 LA 0.96 ! MC 1.00* MK 0.94 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 0.95 SC 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.03 GC 1.00* HH 0.92 ! HN 0.96 KK 0.99 KP 0.97 LA 0.98 ! MC 1.26 MK 0.98 NL 1.07 NY 1.00* ! ON 1.20 OV 0.97 PT 1.02 SC 1.04 ! WF 0.96 WZ 1.00* ! ! ! Fit before self-cal, rms=0.295496Jy sigma=0.001482 ! Fit after self-cal, rms=0.308217Jy sigma=0.001405 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.369 mas, bmaj=4.823 mas, bpa=5.177 degrees ! Estimated noise=530.579 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 (14, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0302211 Jy ! Component: 100 - total flux cleaned = 0.0463689 Jy ! Component: 150 - total flux cleaned = 0.0558902 Jy ! Component: 200 - total flux cleaned = 0.0594538 Jy ! Total flux subtracted in 200 components = 0.0594538 Jy ! Clean residual min=-0.008349 max=0.025266 Jy/beam ! Clean residual mean=0.001591 rms=0.003947 Jy/beam ! Combined flux in latest and established models = 0.985605 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 73 components and 0.985605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305234Jy sigma=0.001369 ! Fit after self-cal, rms=0.305513Jy sigma=0.001364 ! Inverting map ! Added new window around map position (52, 3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.026487 Jy ! Component: 100 - total flux cleaned = 0.0420415 Jy ! Component: 150 - total flux cleaned = 0.0528541 Jy ! Component: 200 - total flux cleaned = 0.0611657 Jy ! Total flux subtracted in 200 components = 0.0611657 Jy ! Clean residual min=-0.006803 max=0.010636 Jy/beam ! Clean residual mean=0.001026 rms=0.002529 Jy/beam ! Combined flux in latest and established models = 1.04677 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 116 components and 1.04677 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303202Jy sigma=0.001328 ! Fit after self-cal, rms=0.303076Jy sigma=0.001326 ! 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=0.303076Jy sigma=0.001326 ! Fit after self-cal, rms=0.302685Jy sigma=0.001311 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.373 mas, bmaj=4.824 mas, bpa=5.341 degrees ! Estimated noise=528.291 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00969329 Jy ! Component: 100 - total flux cleaned = 0.0161057 Jy ! Component: 150 - total flux cleaned = 0.0205763 Jy ! Component: 200 - total flux cleaned = 0.024087 Jy ! Total flux subtracted in 200 components = 0.024087 Jy ! Clean residual min=-0.005295 max=0.008327 Jy/beam ! Clean residual mean=0.000617 rms=0.001874 Jy/beam ! Combined flux in latest and established models = 1.07086 Jy selfcal ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 153 components and 1.07086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.302225Jy sigma=0.001304 ! Fit after self-cal, rms=0.302202Jy sigma=0.001304 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 (57.5, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00871341 Jy ! Component: 100 - total flux cleaned = 0.0131723 Jy ! Component: 150 - total flux cleaned = 0.0160745 Jy ! Component: 200 - total flux cleaned = 0.0183949 Jy ! Total flux subtracted in 200 components = 0.0183949 Jy ! Clean residual min=-0.005325 max=0.006329 Jy/beam ! Clean residual mean=0.000450 rms=0.001638 Jy/beam ! Combined flux in latest and established models = 1.08925 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 181 components and 1.08925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301888Jy sigma=0.001300 ! Fit after self-cal, rms=0.301857Jy sigma=0.001300 ! 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=0.301857Jy sigma=0.001300 ! Fit after self-cal, rms=0.301788Jy sigma=0.001297 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.373 mas, bmaj=4.823 mas, bpa=5.439 degrees ! Estimated noise=528.432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00329387 Jy ! Component: 100 - total flux cleaned = 0.00613288 Jy ! Component: 150 - total flux cleaned = 0.00862583 Jy ! Component: 200 - total flux cleaned = 0.0107655 Jy ! Total flux subtracted in 200 components = 0.0107655 Jy ! Clean residual min=-0.004865 max=0.006235 Jy/beam ! Clean residual mean=0.000422 rms=0.001497 Jy/beam ! Combined flux in latest and established models = 1.10002 Jy selfcal ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 193 components and 1.10002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301644Jy sigma=0.001295 ! Fit after self-cal, rms=0.301642Jy sigma=0.001295 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 = 0.00157348 Jy ! Component: 100 - total flux cleaned = 0.00316959 Jy ! Component: 150 - total flux cleaned = 0.00424547 Jy ! Component: 200 - total flux cleaned = 0.00499163 Jy ! Total flux subtracted in 200 components = 0.00499163 Jy ! Clean residual min=-0.004745 max=0.006156 Jy/beam ! Clean residual mean=0.000373 rms=0.001457 Jy/beam ! Combined flux in latest and established models = 1.10501 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 200 components and 1.10501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301580Jy sigma=0.001295 ! Fit after self-cal, rms=0.301550Jy sigma=0.001295 ! 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=0.301550Jy sigma=0.001295 ! Fit after self-cal, rms=0.301614Jy sigma=0.001294 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.794 mas, bmaj=13.13 mas, bpa=-2.618 degrees ! Estimated noise=689.957 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00674872 Jy ! Component: 100 - total flux cleaned = 0.00899203 Jy ! Component: 150 - total flux cleaned = 0.0107541 Jy ! Component: 200 - total flux cleaned = 0.0116099 Jy ! Total flux subtracted in 200 components = 0.0116099 Jy ! Clean residual min=-0.006311 max=0.010018 Jy/beam ! Clean residual mean=0.000769 rms=0.002330 Jy/beam ! Combined flux in latest and established models = 1.11662 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 214 components and 1.11662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301603Jy sigma=0.001294 ! Fit after self-cal, rms=0.301582Jy sigma=0.001294 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 = 0.00208044 Jy ! Component: 100 - total flux cleaned = 0.00287865 Jy ! Component: 150 - total flux cleaned = 0.0032759 Jy ! Component: 200 - total flux cleaned = 0.00372782 Jy ! Total flux subtracted in 200 components = 0.00372782 Jy ! Clean residual min=-0.006113 max=0.009636 Jy/beam ! Clean residual mean=0.000682 rms=0.002271 Jy/beam ! Combined flux in latest and established models = 1.12035 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 221 components and 1.12035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301608Jy sigma=0.001294 ! Fit after self-cal, rms=0.301598Jy sigma=0.001294 ! 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=2.374 mas, bmaj=4.823 mas, bpa=5.52 degrees ! Estimated noise=528.302 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.374 x 4.823 at 5.52 degrees (North through East) ! Clean map min=-0.0044497 max=0.67146 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=0.301598Jy sigma=0.001294 ! Fit after self-cal, rms=0.381806Jy sigma=0.001174 ! Inverting map and beam ! Estimated beam: bmin=2.37 mas, bmaj=4.835 mas, bpa=5.28 degrees ! Estimated noise=526.671 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000953403 Jy ! Component: 100 - total flux cleaned = -0.000942664 Jy ! Component: 150 - total flux cleaned = -0.000940572 Jy ! Component: 200 - total flux cleaned = -0.000938297 Jy ! Total flux subtracted in 200 components = -0.000938297 Jy ! Clean residual min=-0.003894 max=0.006797 Jy/beam ! Clean residual mean=0.000266 rms=0.001267 Jy/beam ! Combined flux in latest and established models = 1.11941 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 235 components and 1.11941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.381761Jy sigma=0.001173 ! Fit after self-cal, rms=0.381761Jy sigma=0.001173 ! Inverting map ! Added new window around map position (41, 7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00649149 Jy ! Component: 100 - total flux cleaned = 0.00861297 Jy ! Component: 150 - total flux cleaned = 0.00989616 Jy ! Component: 200 - total flux cleaned = 0.0103848 Jy ! Total flux subtracted in 200 components = 0.0103848 Jy ! Clean residual min=-0.003653 max=0.004145 Jy/beam ! Clean residual mean=0.000170 rms=0.001125 Jy/beam ! Combined flux in latest and established models = 1.12979 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 254 components and 1.12979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.381639Jy sigma=0.001171 ! Fit after self-cal, rms=0.381618Jy sigma=0.001171 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.381618Jy sigma=0.001171 ! Fit after self-cal, rms=0.385303Jy sigma=0.001171 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=2.101 mas, bmaj=4.52 mas, bpa=4.954 degrees ! Estimated noise=1185.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.522546 Jy ! Component: 100 - total flux cleaned = 0.713325 Jy ! Component: 150 - total flux cleaned = 0.808882 Jy ! Component: 200 - total flux cleaned = 0.859138 Jy ! Total flux subtracted in 200 components = 0.859138 Jy ! Clean residual min=-0.013501 max=0.024730 Jy/beam ! Clean residual mean=0.000297 rms=0.004444 Jy/beam ! Combined flux in latest and established models = 0.859138 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.859138 Jy ! Inverting map and beam ! Estimated beam: bmin=2.37 mas, bmaj=4.832 mas, bpa=5.31 degrees ! Estimated noise=526.461 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 = 0.0423443 Jy ! Component: 100 - total flux cleaned = 0.0741544 Jy ! Component: 150 - total flux cleaned = 0.100284 Jy ! Component: 200 - total flux cleaned = 0.122106 Jy ! Total flux subtracted in 200 components = 0.122106 Jy ! Clean residual min=-0.005993 max=0.014312 Jy/beam ! Clean residual mean=0.001752 rms=0.003481 Jy/beam ! Combined flux in latest and established models = 0.981244 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 71 components and 0.981244 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=7.792 mas, bmaj=13.15 mas, bpa=-2.578 degrees ! Estimated noise=688.826 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0369117 Jy ! Component: 100 - total flux cleaned = 0.0627303 Jy ! Component: 150 - total flux cleaned = 0.0823242 Jy ! Component: 200 - total flux cleaned = 0.0975034 Jy ! Total flux subtracted in 200 components = 0.0975034 Jy ! Clean residual min=-0.006552 max=0.009529 Jy/beam ! Clean residual mean=0.001776 rms=0.003209 Jy/beam ! Combined flux in latest and established models = 1.07875 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 = 0.0119414 Jy ! Component: 100 - total flux cleaned = 0.0214091 Jy ! Component: 150 - total flux cleaned = 0.0289756 Jy ! Component: 200 - total flux cleaned = 0.0350564 Jy ! Total flux subtracted in 200 components = 0.0350564 Jy ! Clean residual min=-0.004742 max=0.005888 Jy/beam ! Clean residual mean=0.000807 rms=0.002043 Jy/beam ! Combined flux in latest and established models = 1.1138 Jy ! Adding 122 model components to the UV plane model. ! The established model now contains 182 components and 1.1138 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.37 mas, bmaj=4.832 mas, bpa=5.31 degrees ! Estimated noise=526.461 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00549331 Jy ! Component: 100 - total flux cleaned = 0.00721211 Jy ! Component: 150 - total flux cleaned = 0.00906716 Jy ! Component: 200 - total flux cleaned = 0.0105667 Jy ! Total flux subtracted in 200 components = 0.0105667 Jy ! Clean residual min=-0.004702 max=0.006166 Jy/beam ! Clean residual mean=0.000265 rms=0.001245 Jy/beam ! Combined flux in latest and established models = 1.12437 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 201 components and 1.12437 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385631Jy sigma=0.001175 ! Fit after self-cal, rms=0.385584Jy sigma=0.001174 wmodel J2331-1556_S_1999_05_10_pus_map.mod ! Writing 201 model components to file: J2331-1556_S_1999_05_10_pus_map.mod wobs J2331-1556_S_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J2331-1556_S_1999_05_10_pus_uvs.fits wwins J2331-1556_S_1999_05_10_pus_map.win ! wwins: Wrote 5 windows to J2331-1556_S_1999_05_10_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 = 0.00259221 Jy ! Component: 100 - total flux cleaned = 0.00474799 Jy ! Component: 150 - total flux cleaned = 0.00584571 Jy ! Component: 200 - total flux cleaned = 0.00672776 Jy ! Component: 250 - total flux cleaned = 0.00728868 Jy ! Component: 300 - total flux cleaned = 0.00776083 Jy ! Component: 350 - total flux cleaned = 0.00821328 Jy ! Component: 400 - total flux cleaned = 0.00877641 Jy ! Component: 450 - total flux cleaned = 0.00895869 Jy ! Component: 500 - total flux cleaned = 0.00925465 Jy ! Component: 550 - total flux cleaned = 0.00948574 Jy ! Component: 600 - total flux cleaned = 0.00965685 Jy ! Component: 650 - total flux cleaned = 0.0101001 Jy ! Component: 700 - total flux cleaned = 0.0102611 Jy ! Component: 750 - total flux cleaned = 0.0104203 Jy ! Component: 800 - total flux cleaned = 0.0106287 Jy ! Component: 850 - total flux cleaned = 0.0108332 Jy ! Component: 900 - total flux cleaned = 0.0110849 Jy ! Component: 950 - total flux cleaned = 0.0113321 Jy ! Component: 1000 - total flux cleaned = 0.0115269 Jy ! Component: 1050 - total flux cleaned = 0.0117188 Jy ! Component: 1100 - total flux cleaned = 0.0118606 Jy ! Component: 1150 - total flux cleaned = 0.0120468 Jy ! Component: 1200 - total flux cleaned = 0.0121388 Jy ! Component: 1250 - total flux cleaned = 0.0123196 Jy ! Component: 1300 - total flux cleaned = 0.0125428 Jy ! Component: 1350 - total flux cleaned = 0.0127182 Jy ! Component: 1400 - total flux cleaned = 0.0129781 Jy ! Component: 1450 - total flux cleaned = 0.0130631 Jy ! Component: 1500 - total flux cleaned = 0.0132322 Jy ! Component: 1550 - total flux cleaned = 0.0133993 Jy ! Component: 1600 - total flux cleaned = 0.013564 Jy ! Component: 1650 - total flux cleaned = 0.0136865 Jy ! Component: 1700 - total flux cleaned = 0.0138478 Jy ! Component: 1750 - total flux cleaned = 0.0139669 Jy ! Component: 1800 - total flux cleaned = 0.0140849 Jy ! Component: 1850 - total flux cleaned = 0.0142792 Jy ! Component: 1900 - total flux cleaned = 0.0144326 Jy ! Component: 1950 - total flux cleaned = 0.014471 Jy ! Component: 2000 - total flux cleaned = 0.0146591 Jy ! Total flux subtracted in 2048 components = 0.0148075 Jy ! Clean residual min=-0.001937 max=0.001853 Jy/beam ! Clean residual mean=0.000096 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 1.13918 Jy keep ! Adding 140 model components to the UV plane model. ! The established model now contains 336 components and 1.13918 Jy ![Exited script file: muppet] wmap "J2331-1556_S_1999_05_10_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.37 x 4.832 at 5.31 degrees (North through East) ! Clean map min=-0.0029253 max=0.67216 Jy/beam ! Writing clean map to FITS file: J2331-1556_S_1999_05_10_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.672165 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000719906 device "J2331-1556_S_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J2331-1556_S_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.321308 0.321308 0.642616 1.28523 2.57046 5.14092 10.2818 20.5637 41.1274 82.2548 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.672 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.37 x 4.832 at 5.31 degrees (North through East) ! Clean map min=-0.0029253 max=0.67216 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2331-1556_S_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J2331-1556_S_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2331-1556_S_1999_05_10_pus_uvs.log closed on Mon Jan 21 17:52:20 2008