! Started logfile: J1454-3747_S_2003_09_17_pus_uvs.log on Mon May 21 22:05:34 2007 obs J1454-3747_S_2003_09_17_pus_uva.fits ! Reading UV FITS file: J1454-3747_S_2003_09_17_pus_uva.fits ! AN table 1: 72 integrations on 120 of 120 possible baselines. ! AN table 2: 43 integrations on 120 of 120 possible baselines. ! AN table 3: 46 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0578675 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1454-3747 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1732 lines of history. ! ! Reading 4472 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 945 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 536 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 945 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 536 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 945 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 536 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 945 telescope corrections were flagged in sub-array 1. ! A total of 537 telescope corrections were flagged in sub-array 2. ! A total of 536 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.699193Jy sigma=0.004420 ! Fit after self-cal, rms=0.340663Jy sigma=0.002199 ! 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=2.132 mas, bmaj=13.43 mas, bpa=10.14 degrees ! Estimated noise=2595.79 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 = 0.507725 Jy ! Component: 100 - total flux cleaned = 0.633215 Jy ! Total flux subtracted in 100 components = 0.633215 Jy ! Clean residual min=-0.025420 max=0.059179 Jy/beam ! Clean residual mean=0.000833 rms=0.011543 Jy/beam ! Combined flux in latest and established models = 0.633215 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.633215 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282181Jy sigma=0.001680 ! Fit after self-cal, rms=0.282115Jy sigma=0.001680 ! 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=2.921 mas, bmaj=16.28 mas, bpa=7.386 degrees ! Estimated noise=1740.26 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 = 0.145976 Jy ! Component: 100 - total flux cleaned = 0.214547 Jy ! Component: 150 - total flux cleaned = 0.250935 Jy ! Component: 200 - total flux cleaned = 0.271554 Jy ! Total flux subtracted in 200 components = 0.271554 Jy ! Clean residual min=-0.016595 max=0.036908 Jy/beam ! Clean residual mean=0.000242 rms=0.007088 Jy/beam ! Combined flux in latest and established models = 0.904769 Jy ! Performing phase self-cal ! Adding 65 model components to the UV plane model. ! The established model now contains 72 components and 0.904769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198925Jy sigma=0.001190 ! Fit after self-cal, rms=0.198282Jy sigma=0.001188 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 123 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 GC 1.00* HN 1.00* KP 0.94 ! LA 0.97 MK 1.03 NL 1.00* NY 1.00* ! ON 1.00* OV 0.98 PT 1.03 SC 1.00* ! TS 1.00* KK 0.95 WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 GC 1.00* HN 1.00* KP 0.97 ! LA 0.99 MK 1.00* NL 1.19 NY 1.00* ! ON 1.00* OV 1.05 PT 0.97 SC 1.05 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.91 GC 1.00* HN 1.00* KP 0.91 ! LA 0.94 MK 0.95 NL 1.00* NY 1.00* ! ON 1.00* OV 1.03 PT 0.94 SC 1.00* ! TS 1.00* KK 1.01 WZ 1.00* WF 1.00* ! ! ! Correcting IF 2. ! A total of 123 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 GC 1.00* HN 1.00* KP 1.07 ! LA 1.03 MK 1.17 NL 1.00* NY 1.00* ! ON 1.00* OV 1.00 PT 1.04 SC 1.00* ! TS 1.00* KK 0.95 WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.00 GC 1.00* HN 1.00* KP 1.07 ! LA 1.02 MK 1.00* NL 1.22 NY 1.00* ! ON 1.00* OV 1.00 PT 0.94 SC 1.04 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.91 GC 1.00* HN 1.00* KP 0.98 ! LA 0.95 MK 1.05 NL 1.00* NY 1.00* ! ON 1.00* OV 0.96 PT 0.94 SC 1.00* ! TS 1.00* KK 0.91 WZ 1.00* WF 1.00* ! ! ! Correcting IF 3. ! A total of 123 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 GC 1.00* HN 1.00* KP 1.13 ! LA 1.01 MK 1.04 NL 1.00* NY 1.00* ! ON 1.00* OV 1.00 PT 1.09 SC 1.00* ! TS 1.00* KK 0.95 WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 GC 1.00* HN 1.00* KP 1.03 ! LA 0.94 MK 1.00* NL 1.22 NY 1.00* ! ON 1.00* OV 1.06 PT 1.01 SC 1.03 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.90 GC 1.00* HN 1.00* KP 0.97 ! LA 0.93 MK 0.99 NL 1.00* NY 1.00* ! ON 1.00* OV 0.98 PT 0.98 SC 1.00* ! TS 1.00* KK 0.99 WZ 1.00* WF 1.00* ! ! ! Correcting IF 4. ! A total of 123 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 GC 1.00* HN 1.00* KP 1.06 ! LA 1.04 MK 0.94 NL 1.00* NY 1.00* ! ON 1.00* OV 1.02 PT 1.05 SC 1.00* ! TS 1.00* KK 1.04 WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 GC 1.00* HN 1.00* KP 1.06 ! LA 0.99 MK 1.00* NL 1.21 NY 1.00* ! ON 1.00* OV 1.00 PT 0.95 SC 1.02 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! FD 0.90 GC 1.00* HN 1.00* KP 0.99 ! LA 0.98 MK 0.92 NL 1.00* NY 1.00* ! ON 1.00* OV 0.96 PT 0.93 SC 1.00* ! TS 1.00* KK 1.01 WZ 1.00* WF 1.00* ! ! ! Fit before self-cal, rms=0.198282Jy sigma=0.001188 ! Fit after self-cal, rms=0.193091Jy sigma=0.001124 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.355 mas, bmaj=20.74 mas, bpa=2.747 degrees ! Estimated noise=1964.32 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 (-10, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0206988 Jy ! Component: 100 - total flux cleaned = 0.0270857 Jy ! Component: 150 - total flux cleaned = 0.0268239 Jy ! Component: 200 - total flux cleaned = 0.0261231 Jy ! Total flux subtracted in 200 components = 0.0261231 Jy ! Clean residual min=-0.008104 max=0.009445 Jy/beam ! Clean residual mean=-0.000314 rms=0.002825 Jy/beam ! Combined flux in latest and established models = 0.930892 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 94 components and 0.930892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190721Jy sigma=0.001111 ! Fit after self-cal, rms=0.190671Jy sigma=0.001110 ! 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=0.190671Jy sigma=0.001110 ! Fit after self-cal, rms=0.189707Jy sigma=0.001109 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.355 mas, bmaj=20.62 mas, bpa=2.792 degrees ! Estimated noise=1963.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00890338 Jy ! Component: 100 - total flux cleaned = 0.0100518 Jy ! Component: 150 - total flux cleaned = 0.01023 Jy ! Component: 200 - total flux cleaned = 0.010368 Jy ! Total flux subtracted in 200 components = 0.010368 Jy ! Clean residual min=-0.006110 max=0.008115 Jy/beam ! Clean residual mean=-0.000180 rms=0.002309 Jy/beam ! Combined flux in latest and established models = 0.94126 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 113 components and 0.94126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189188Jy sigma=0.001106 ! Fit after self-cal, rms=0.189100Jy sigma=0.001106 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 = 0.000748231 Jy ! Component: 100 - total flux cleaned = 0.000764095 Jy ! Component: 150 - total flux cleaned = 0.000764974 Jy ! Component: 200 - total flux cleaned = 0.000664056 Jy ! Total flux subtracted in 200 components = 0.000664056 Jy ! Clean residual min=-0.005943 max=0.007734 Jy/beam ! Clean residual mean=-0.000209 rms=0.002239 Jy/beam ! Combined flux in latest and established models = 0.941924 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 134 components and 0.941924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188949Jy sigma=0.001105 ! Fit after self-cal, rms=0.188918Jy sigma=0.001105 ! 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=0.188918Jy sigma=0.001105 ! Fit after self-cal, rms=0.188731Jy sigma=0.001104 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.36 mas, bmaj=20.6 mas, bpa=2.813 degrees ! Estimated noise=1966.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00295815 Jy ! Component: 100 - total flux cleaned = 0.00334248 Jy ! Component: 150 - total flux cleaned = 0.00366282 Jy ! Component: 200 - total flux cleaned = 0.00376181 Jy ! Total flux subtracted in 200 components = 0.00376181 Jy ! Clean residual min=-0.005620 max=0.007292 Jy/beam ! Clean residual mean=-0.000119 rms=0.002006 Jy/beam ! Combined flux in latest and established models = 0.945686 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 156 components and 0.945686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188560Jy sigma=0.001103 ! Fit after self-cal, rms=0.188530Jy sigma=0.001103 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 = 0.000610349 Jy ! Component: 100 - total flux cleaned = 0.000614895 Jy ! Component: 150 - total flux cleaned = 0.000535869 Jy ! Component: 200 - total flux cleaned = 0.000607793 Jy ! Total flux subtracted in 200 components = 0.000607793 Jy ! Clean residual min=-0.005398 max=0.007110 Jy/beam ! Clean residual mean=-0.000143 rms=0.001973 Jy/beam ! Combined flux in latest and established models = 0.946294 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 179 components and 0.946294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188458Jy sigma=0.001102 ! Fit after self-cal, rms=0.188446Jy sigma=0.001102 ! 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=0.188446Jy sigma=0.001102 ! Fit after self-cal, rms=0.188498Jy sigma=0.001102 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.84 mas, bmaj=31.41 mas, bpa=4.274 degrees ! Estimated noise=2502.07 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262375 Jy ! Component: 100 - total flux cleaned = 0.00274489 Jy ! Component: 150 - total flux cleaned = 0.00274052 Jy ! Component: 200 - total flux cleaned = 0.00265736 Jy ! Total flux subtracted in 200 components = 0.00265736 Jy ! Clean residual min=-0.007381 max=0.009315 Jy/beam ! Clean residual mean=-0.000259 rms=0.002458 Jy/beam ! Combined flux in latest and established models = 0.948951 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 200 components and 0.948952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188426Jy sigma=0.001102 ! Fit after self-cal, rms=0.188389Jy sigma=0.001102 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 = 0.000369596 Jy ! Component: 100 - total flux cleaned = 0.0003882 Jy ! Component: 150 - total flux cleaned = 0.000315092 Jy ! Component: 200 - total flux cleaned = 0.00019068 Jy ! Total flux subtracted in 200 components = 0.00019068 Jy ! Clean residual min=-0.007038 max=0.008963 Jy/beam ! Clean residual mean=-0.000284 rms=0.002439 Jy/beam ! Combined flux in latest and established models = 0.949142 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 209 components and 0.949142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188359Jy sigma=0.001101 ! Fit after self-cal, rms=0.188343Jy sigma=0.001101 ! 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=3.364 mas, bmaj=20.61 mas, bpa=2.822 degrees ! Estimated noise=1970.05 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.364 x 20.61 at 2.822 degrees (North through East) ! Clean map min=-0.0054569 max=0.74381 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=0.188343Jy sigma=0.001101 ! Fit after self-cal, rms=0.169819Jy sigma=0.000957 ! Inverting map and beam ! Estimated beam: bmin=3.365 mas, bmaj=20.61 mas, bpa=2.826 degrees ! Estimated noise=1971.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00106827 Jy ! Component: 100 - total flux cleaned = 0.00128425 Jy ! Component: 150 - total flux cleaned = 0.00122607 Jy ! Component: 200 - total flux cleaned = 0.00107417 Jy ! Total flux subtracted in 200 components = 0.00107417 Jy ! Clean residual min=-0.005013 max=0.005324 Jy/beam ! Clean residual mean=-0.000070 rms=0.001651 Jy/beam ! Combined flux in latest and established models = 0.950217 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 233 components and 0.950217 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169761Jy sigma=0.000957 ! Fit after self-cal, rms=0.169750Jy sigma=0.000957 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000339056 Jy ! Component: 100 - total flux cleaned = 0.000391773 Jy ! Component: 150 - total flux cleaned = 0.000343477 Jy ! Component: 200 - total flux cleaned = 0.000387442 Jy ! Total flux subtracted in 200 components = 0.000387442 Jy ! Clean residual min=-0.004897 max=0.005294 Jy/beam ! Clean residual mean=-0.000082 rms=0.001636 Jy/beam ! Combined flux in latest and established models = 0.950604 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 242 components and 0.950604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169719Jy sigma=0.000957 ! Fit after self-cal, rms=0.169713Jy sigma=0.000957 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169713Jy sigma=0.000957 ! Fit after self-cal, rms=0.169731Jy sigma=0.000957 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=2.696 mas, bmaj=17.75 mas, bpa=4.285 degrees ! Estimated noise=2952.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.55255 Jy ! Component: 100 - total flux cleaned = 0.688222 Jy ! Component: 150 - total flux cleaned = 0.759855 Jy ! Component: 200 - total flux cleaned = 0.804407 Jy ! Total flux subtracted in 200 components = 0.804407 Jy ! Clean residual min=-0.014984 max=0.024902 Jy/beam ! Clean residual mean=0.000742 rms=0.006057 Jy/beam ! Combined flux in latest and established models = 0.804407 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.804408 Jy ! Inverting map and beam ! Estimated beam: bmin=3.367 mas, bmaj=20.61 mas, bpa=2.834 degrees ! Estimated noise=1973.36 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 = 0.0559487 Jy ! Component: 100 - total flux cleaned = 0.085369 Jy ! Component: 150 - total flux cleaned = 0.102983 Jy ! Component: 200 - total flux cleaned = 0.115144 Jy ! Total flux subtracted in 200 components = 0.115144 Jy ! Clean residual min=-0.006659 max=0.009551 Jy/beam ! Clean residual mean=0.000711 rms=0.002966 Jy/beam ! Combined flux in latest and established models = 0.919552 Jy ! Adding 96 model components to the UV plane model. ! The established model now contains 114 components and 0.919552 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=8.842 mas, bmaj=31.43 mas, bpa=4.22 degrees ! Estimated noise=2503.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0137924 Jy ! Component: 100 - total flux cleaned = 0.0213109 Jy ! Component: 150 - total flux cleaned = 0.025698 Jy ! Component: 200 - total flux cleaned = 0.0271196 Jy ! Total flux subtracted in 200 components = 0.0271196 Jy ! Clean residual min=-0.006543 max=0.005599 Jy/beam ! Clean residual mean=0.000069 rms=0.002150 Jy/beam ! Combined flux in latest and established models = 0.946671 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 = 0.000720823 Jy ! Component: 100 - total flux cleaned = 0.00116741 Jy ! Component: 150 - total flux cleaned = 0.00143503 Jy ! Component: 200 - total flux cleaned = 0.00168486 Jy ! Total flux subtracted in 200 components = 0.00168486 Jy ! Clean residual min=-0.006227 max=0.005875 Jy/beam ! Clean residual mean=-0.000008 rms=0.002036 Jy/beam ! Combined flux in latest and established models = 0.948356 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 174 components and 0.948356 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.367 mas, bmaj=20.61 mas, bpa=2.834 degrees ! Estimated noise=1973.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000937304 Jy ! Component: 100 - total flux cleaned = 0.000770453 Jy ! Component: 150 - total flux cleaned = 0.000652868 Jy ! Component: 200 - total flux cleaned = 0.000545034 Jy ! Total flux subtracted in 200 components = 0.000545034 Jy ! Clean residual min=-0.006011 max=0.005495 Jy/beam ! Clean residual mean=-0.000017 rms=0.001648 Jy/beam ! Combined flux in latest and established models = 0.948901 Jy selfcal ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 218 components and 0.948901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169772Jy sigma=0.000957 ! Fit after self-cal, rms=0.169659Jy sigma=0.000956 wmodel J1454-3747_S_2003_09_17_pus_map.mod ! Writing 218 model components to file: J1454-3747_S_2003_09_17_pus_map.mod wobs J1454-3747_S_2003_09_17_pus_uvs.fits ! Writing UV FITS file: J1454-3747_S_2003_09_17_pus_uvs.fits wwins J1454-3747_S_2003_09_17_pus_map.win ! wwins: Wrote 2 windows to J1454-3747_S_2003_09_17_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 = -0.000161297 Jy ! Component: 100 - total flux cleaned = -0.000343239 Jy ! Component: 150 - total flux cleaned = -0.000189957 Jy ! Component: 200 - total flux cleaned = -4.72004e-05 Jy ! Component: 250 - total flux cleaned = 0.000155645 Jy ! Component: 300 - total flux cleaned = 0.000219786 Jy ! Component: 350 - total flux cleaned = 0.000219286 Jy ! Component: 400 - total flux cleaned = 0.000399873 Jy ! Component: 450 - total flux cleaned = 0.000456576 Jy ! Component: 500 - total flux cleaned = 0.000512226 Jy ! Component: 550 - total flux cleaned = 0.00073188 Jy ! Component: 600 - total flux cleaned = 0.000784655 Jy ! Component: 650 - total flux cleaned = 0.000784627 Jy ! Component: 700 - total flux cleaned = 0.00088632 Jy ! Component: 750 - total flux cleaned = 0.000935974 Jy ! Component: 800 - total flux cleaned = 0.000984922 Jy ! Component: 850 - total flux cleaned = 0.00108053 Jy ! Component: 900 - total flux cleaned = 0.00112764 Jy ! Component: 950 - total flux cleaned = 0.00112817 Jy ! Component: 1000 - total flux cleaned = 0.00117353 Jy ! Component: 1050 - total flux cleaned = 0.00117446 Jy ! Component: 1100 - total flux cleaned = 0.00121819 Jy ! Component: 1150 - total flux cleaned = 0.00126094 Jy ! Component: 1200 - total flux cleaned = 0.0012609 Jy ! Component: 1250 - total flux cleaned = 0.00130276 Jy ! Component: 1300 - total flux cleaned = 0.00142547 Jy ! Component: 1350 - total flux cleaned = 0.00150611 Jy ! Component: 1400 - total flux cleaned = 0.00158535 Jy ! Component: 1450 - total flux cleaned = 0.00158561 Jy ! Component: 1500 - total flux cleaned = 0.00170158 Jy ! Component: 1550 - total flux cleaned = 0.00177769 Jy ! Component: 1600 - total flux cleaned = 0.00181509 Jy ! Component: 1650 - total flux cleaned = 0.00181562 Jy ! Component: 1700 - total flux cleaned = 0.0018163 Jy ! Component: 1750 - total flux cleaned = 0.00195988 Jy ! Component: 1800 - total flux cleaned = 0.00185317 Jy ! Component: 1850 - total flux cleaned = 0.00185338 Jy ! Component: 1900 - total flux cleaned = 0.00188813 Jy ! Component: 1950 - total flux cleaned = 0.00188811 Jy ! Component: 2000 - total flux cleaned = 0.00192218 Jy ! Total flux subtracted in 2048 components = 0.00195558 Jy ! Clean residual min=-0.001780 max=0.002005 Jy/beam ! Clean residual mean=-0.000044 rms=0.000715 Jy/beam ! Combined flux in latest and established models = 0.950857 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 359 components and 0.950857 Jy wmap "J1454-3747_S_2003_09_17_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.367 x 20.61 at 2.834 degrees (North through East) ! Clean map min=-0.0039652 max=0.73953 Jy/beam ! Writing clean map to FITS file: J1454-3747_S_2003_09_17_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.739526 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000721071 device "J1454-3747_S_2003_09_17_pus\_map.eps/VPS" ! Attempting to open device: 'J1454-3747_S_2003_09_17_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.292514 0.292514 0.585028 1.17006 2.34011 4.68022 9.36044 18.7209 37.4418 74.8835 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.739 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.367 x 20.61 at 2.834 degrees (North through East) ! Clean map min=-0.0039652 max=0.73953 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1454-3747_S_2003_09_17_pus\_map.gif/vgif" ! Attempting to open device: 'J1454-3747_S_2003_09_17_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1454-3747_S_2003_09_17_pus_uvs.log closed on Mon May 21 22:06:39 2007