! Started logfile: J2131-1207_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:53:53 2010 obs J2131-1207_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2131-1207_X_2008_04_02_pus_uva.fits ! AN table 1: 40 integrations on 120 of 120 possible baselines. ! AN table 2: 18 integrations on 120 of 120 possible baselines. ! AN table 3: 97 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.118925 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2131-1207 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2284 lines of history. ! ! Reading 8848 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 483 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! A total of 975 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 483 telescope corrections were flagged in sub-array 1. ! A total of 261 telescope corrections were flagged in sub-array 2. ! A total of 975 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 483 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! A total of 975 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 483 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! A total of 975 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.177811Jy sigma=0.011081 ! Fit after self-cal, rms=0.914390Jy sigma=0.008749 ! 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=0.921 mas, bmaj=2.497 mas, bpa=-10.82 degrees ! Estimated noise=1319.02 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.03638 Jy ! Component: 100 - total flux cleaned = 1.4529 Jy ! Total flux subtracted in 100 components = 1.4529 Jy ! Clean residual min=-0.073265 max=0.254281 Jy/beam ! Clean residual mean=0.000293 rms=0.027147 Jy/beam ! Combined flux in latest and established models = 1.4529 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.4529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.639644Jy sigma=0.006104 ! Fit after self-cal, rms=0.639144Jy sigma=0.006098 ! Inverting map ! Added new window around map position (-2.4, -3.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.259159 Jy ! Component: 100 - total flux cleaned = 0.429583 Jy ! Total flux subtracted in 100 components = 0.429583 Jy ! Clean residual min=-0.063588 max=0.096846 Jy/beam ! Clean residual mean=0.000317 rms=0.018652 Jy/beam ! Combined flux in latest and established models = 1.88248 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 1.88248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.446934Jy sigma=0.004220 ! Fit after self-cal, rms=0.433909Jy sigma=0.004113 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.144286 Jy ! Component: 100 - total flux cleaned = 0.242264 Jy ! Total flux subtracted in 100 components = 0.242264 Jy ! Clean residual min=-0.052404 max=0.069990 Jy/beam ! Clean residual mean=0.000317 rms=0.013729 Jy/beam ! Combined flux in latest and established models = 2.12474 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 34 components and 2.12474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346042Jy sigma=0.003229 ! Fit after self-cal, rms=0.340187Jy sigma=0.003180 ! 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=1.23 mas, bmaj=2.78 mas, bpa=-5.262 degrees ! Estimated noise=839.983 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 = 0.143284 Jy ! Component: 100 - total flux cleaned = 0.230261 Jy ! Component: 150 - total flux cleaned = 0.287225 Jy ! Component: 200 - total flux cleaned = 0.325215 Jy ! Total flux subtracted in 200 components = 0.325215 Jy ! Clean residual min=-0.050481 max=0.062757 Jy/beam ! Clean residual mean=0.000508 rms=0.014008 Jy/beam ! Combined flux in latest and established models = 2.44996 Jy ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 80 components and 2.44996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276149Jy sigma=0.002463 ! Fit after self-cal, rms=0.272008Jy sigma=0.002424 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.18 HH 1.00* HN 1.15 ! KK 0.92 KP 0.99 LA 1.25 MK 0.94 ! NL 1.26 NY 1.00* ON 1.00* OV 0.95 ! PT 1.43 SC 0.95 WZ 1.00* ZC 1.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.95 HH 1.00* HN 1.01 ! KK 0.93 KP 1.00 LA 0.98 MK 0.98 ! NL 0.96 NY 1.00* ON 1.00* OV 0.97 ! PT 0.97 SC 0.96 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.15 HH 1.00* HN 1.18 ! KK 0.94 KP 0.94 LA 1.28 MK 0.93 ! NL 1.21 NY 1.00* ON 1.00* OV 0.93 ! PT 1.45 SC 0.95 WZ 1.00* ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.94 HH 1.00* HN 1.01 ! KK 0.92 KP 0.96 LA 0.96 MK 0.97 ! NL 0.94 NY 1.00* ON 1.00* OV 0.95 ! PT 0.96 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.15 HH 1.00* HN 1.17 ! KK 0.95 KP 0.99 LA 1.30 MK 1.01 ! NL 1.27 NY 1.00* ON 1.00* OV 0.99 ! PT 1.48 SC 0.99 WZ 1.00* ZC 1.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.96 HH 1.00* HN 1.02 ! KK 1.05 KP 1.00 LA 1.01 MK 0.95 ! NL 0.97 NY 1.00* ON 1.00* OV 0.99 ! PT 0.97 SC 1.01 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.17 HH 1.00* HN 1.20 ! KK 0.95 KP 0.97 LA 1.26 MK 1.06 ! NL 1.24 NY 1.00* ON 1.00* OV 0.96 ! PT 1.46 SC 1.04 WZ 1.00* ZC 1.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.96 HH 1.00* HN 0.99 ! KK 1.01 KP 0.99 LA 0.99 MK 0.92 ! NL 0.99 NY 1.00* ON 1.00* OV 0.99 ! PT 0.97 SC 1.17 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.272008Jy sigma=0.002424 ! Fit after self-cal, rms=0.174842Jy sigma=0.001554 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.226 mas, bmaj=2.789 mas, bpa=-5.52 degrees ! Estimated noise=833.845 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 = 0.0178951 Jy ! Component: 100 - total flux cleaned = 0.017996 Jy ! Component: 150 - total flux cleaned = 0.015933 Jy ! Component: 200 - total flux cleaned = 0.0142525 Jy ! Total flux subtracted in 200 components = 0.0142525 Jy ! Clean residual min=-0.020770 max=0.019699 Jy/beam ! Clean residual mean=0.000304 rms=0.005280 Jy/beam ! Combined flux in latest and established models = 2.46421 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 106 components and 2.46421 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171115Jy sigma=0.001517 ! Fit after self-cal, rms=0.170324Jy sigma=0.001509 ! 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=0.170324Jy sigma=0.001509 ! Fit after self-cal, rms=0.161410Jy sigma=0.001416 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.224 mas, bmaj=2.785 mas, bpa=-5.62 degrees ! Estimated noise=830.837 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00321297 Jy ! Component: 100 - total flux cleaned = 0.00184629 Jy ! Component: 150 - total flux cleaned = 0.00185278 Jy ! Component: 200 - total flux cleaned = 0.00142999 Jy ! Total flux subtracted in 200 components = 0.00142999 Jy ! Clean residual min=-0.013327 max=0.018111 Jy/beam ! Clean residual mean=0.000218 rms=0.003977 Jy/beam ! Combined flux in latest and established models = 2.46564 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 117 components and 2.46564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159999Jy sigma=0.001403 ! Fit after self-cal, rms=0.159736Jy sigma=0.001401 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 (11.2, -15.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011592 Jy ! Component: 100 - total flux cleaned = 0.0115987 Jy ! Component: 150 - total flux cleaned = 0.0119353 Jy ! Component: 200 - total flux cleaned = 0.0119295 Jy ! Total flux subtracted in 200 components = 0.0119295 Jy ! Clean residual min=-0.013582 max=0.013393 Jy/beam ! Clean residual mean=0.000201 rms=0.003485 Jy/beam ! Combined flux in latest and established models = 2.47757 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 145 components and 2.47757 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157756Jy sigma=0.001381 ! Fit after self-cal, rms=0.157580Jy sigma=0.001379 ! 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=0.157580Jy sigma=0.001379 ! Fit after self-cal, rms=0.150478Jy sigma=0.001306 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.223 mas, bmaj=2.784 mas, bpa=-5.618 degrees ! Estimated noise=831.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00823354 Jy ! Component: 100 - total flux cleaned = 0.00768473 Jy ! Component: 150 - total flux cleaned = 0.00705026 Jy ! Component: 200 - total flux cleaned = 0.00691199 Jy ! Total flux subtracted in 200 components = 0.00691199 Jy ! Clean residual min=-0.007481 max=0.009302 Jy/beam ! Clean residual mean=-0.000003 rms=0.002125 Jy/beam ! Combined flux in latest and established models = 2.48448 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 164 components and 2.48448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149932Jy sigma=0.001301 ! Fit after self-cal, rms=0.149813Jy sigma=0.001300 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 (-5.6, -9.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00945762 Jy ! Component: 100 - total flux cleaned = 0.0133818 Jy ! Component: 150 - total flux cleaned = 0.0154212 Jy ! Component: 200 - total flux cleaned = 0.017205 Jy ! Total flux subtracted in 200 components = 0.017205 Jy ! Clean residual min=-0.006157 max=0.007886 Jy/beam ! Clean residual mean=0.000008 rms=0.001752 Jy/beam ! Combined flux in latest and established models = 2.50169 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 184 components and 2.50169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149107Jy sigma=0.001291 ! Fit after self-cal, rms=0.149064Jy sigma=0.001291 ! Inverting map ! Added new window around map position (-2, -11.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0029581 Jy ! Component: 100 - total flux cleaned = 0.00387452 Jy ! Component: 150 - total flux cleaned = 0.00467216 Jy ! Component: 200 - total flux cleaned = 0.00525868 Jy ! Total flux subtracted in 200 components = 0.00525868 Jy ! Clean residual min=-0.005367 max=0.005800 Jy/beam ! Clean residual mean=0.000010 rms=0.001560 Jy/beam ! Combined flux in latest and established models = 2.50695 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 201 components and 2.50695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148573Jy sigma=0.001286 ! Fit after self-cal, rms=0.148561Jy sigma=0.001286 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148561Jy sigma=0.001286 ! Fit after self-cal, rms=0.148376Jy sigma=0.001285 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.55 mas, bmaj=4.091 mas, bpa=-12.86 degrees ! Estimated noise=938.757 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00544145 Jy ! Component: 100 - total flux cleaned = 0.00651937 Jy ! Component: 150 - total flux cleaned = 0.00688373 Jy ! Component: 200 - total flux cleaned = 0.0068832 Jy ! Total flux subtracted in 200 components = 0.0068832 Jy ! Clean residual min=-0.004353 max=0.005261 Jy/beam ! Clean residual mean=0.000013 rms=0.001577 Jy/beam ! Combined flux in latest and established models = 2.51383 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 221 components and 2.51383 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148220Jy sigma=0.001284 ! Fit after self-cal, rms=0.148204Jy sigma=0.001283 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 = 0.000574516 Jy ! Component: 100 - total flux cleaned = 0.00084197 Jy ! Component: 150 - total flux cleaned = 0.00115795 Jy ! Component: 200 - total flux cleaned = 0.00144185 Jy ! Total flux subtracted in 200 components = 0.00144185 Jy ! Clean residual min=-0.004252 max=0.005140 Jy/beam ! Clean residual mean=0.000018 rms=0.001482 Jy/beam ! Combined flux in latest and established models = 2.51527 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 229 components and 2.51527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148157Jy sigma=0.001283 ! Fit after self-cal, rms=0.148150Jy sigma=0.001283 ! 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=1.224 mas, bmaj=2.783 mas, bpa=-5.558 degrees ! Estimated noise=831.748 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.224 x 2.783 at -5.558 degrees (North through East) ! Clean map min=-0.0054644 max=1.4221 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=0.148150Jy sigma=0.001283 ! Fit after self-cal, rms=0.125712Jy sigma=0.001078 ! Inverting map and beam ! Estimated beam: bmin=1.224 mas, bmaj=2.782 mas, bpa=-5.546 degrees ! Estimated noise=831.539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000823553 Jy ! Component: 100 - total flux cleaned = 0.000824273 Jy ! Component: 150 - total flux cleaned = 0.00105108 Jy ! Component: 200 - total flux cleaned = 0.00126977 Jy ! Total flux subtracted in 200 components = 0.00126977 Jy ! Clean residual min=-0.004241 max=0.004887 Jy/beam ! Clean residual mean=0.000007 rms=0.001264 Jy/beam ! Combined flux in latest and established models = 2.51654 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 247 components and 2.51654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125478Jy sigma=0.001076 ! Fit after self-cal, rms=0.125470Jy sigma=0.001076 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.36928e-05 Jy ! Component: 100 - total flux cleaned = -8.9046e-05 Jy ! Component: 150 - total flux cleaned = 9.46239e-06 Jy ! Component: 200 - total flux cleaned = 8.63205e-06 Jy ! Total flux subtracted in 200 components = 8.63205e-06 Jy ! Clean residual min=-0.004119 max=0.004839 Jy/beam ! Clean residual mean=0.000008 rms=0.001232 Jy/beam ! Combined flux in latest and established models = 2.51655 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 253 components and 2.51655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125324Jy sigma=0.001074 ! Fit after self-cal, rms=0.125322Jy sigma=0.001074 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125322Jy sigma=0.001074 ! Fit after self-cal, rms=0.125327Jy sigma=0.001074 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=0.9042 mas, bmaj=2.5 mas, bpa=-11.21 degrees ! Estimated noise=1318.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.02943 Jy ! Component: 100 - total flux cleaned = 1.4823 Jy ! Component: 150 - total flux cleaned = 1.76348 Jy ! Component: 200 - total flux cleaned = 1.95464 Jy ! Total flux subtracted in 200 components = 1.95464 Jy ! Clean residual min=-0.037098 max=0.105327 Jy/beam ! Clean residual mean=-0.000034 rms=0.012904 Jy/beam ! Combined flux in latest and established models = 1.95464 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.95464 Jy ! Inverting map and beam ! Estimated beam: bmin=1.224 mas, bmaj=2.783 mas, bpa=-5.552 degrees ! Estimated noise=831.653 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 = 0.199856 Jy ! Component: 100 - total flux cleaned = 0.317072 Jy ! Component: 150 - total flux cleaned = 0.390455 Jy ! Component: 200 - total flux cleaned = 0.438 Jy ! Total flux subtracted in 200 components = 0.438 Jy ! Clean residual min=-0.013147 max=0.027209 Jy/beam ! Clean residual mean=-0.000052 rms=0.004801 Jy/beam ! Combined flux in latest and established models = 2.39264 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 55 components and 2.39264 Jy ! Inverting map ! Added new window around map position (-1.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0317215 Jy ! Component: 100 - total flux cleaned = 0.0530908 Jy ! Component: 150 - total flux cleaned = 0.068212 Jy ! Component: 200 - total flux cleaned = 0.0797861 Jy ! Total flux subtracted in 200 components = 0.0797861 Jy ! Clean residual min=-0.007480 max=0.007611 Jy/beam ! Clean residual mean=-0.000014 rms=0.002077 Jy/beam ! Combined flux in latest and established models = 2.47242 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 91 components and 2.47242 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.549 mas, bmaj=4.089 mas, bpa=-12.91 degrees ! Estimated noise=938.466 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118481 Jy ! Component: 100 - total flux cleaned = 0.0204362 Jy ! Component: 150 - total flux cleaned = 0.0267125 Jy ! Component: 200 - total flux cleaned = 0.0309753 Jy ! Total flux subtracted in 200 components = 0.0309753 Jy ! Clean residual min=-0.004816 max=0.004880 Jy/beam ! Clean residual mean=-0.000001 rms=0.001558 Jy/beam ! Combined flux in latest and established models = 2.5034 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 = 0.00339983 Jy ! Component: 100 - total flux cleaned = 0.00533496 Jy ! Component: 150 - total flux cleaned = 0.00619502 Jy ! Component: 200 - total flux cleaned = 0.00734681 Jy ! Total flux subtracted in 200 components = 0.00734681 Jy ! Clean residual min=-0.004060 max=0.004418 Jy/beam ! Clean residual mean=0.000000 rms=0.001305 Jy/beam ! Combined flux in latest and established models = 2.51075 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 154 components and 2.51075 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.224 mas, bmaj=2.783 mas, bpa=-5.552 degrees ! Estimated noise=831.653 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000927083 Jy ! Component: 100 - total flux cleaned = 0.00151161 Jy ! Component: 150 - total flux cleaned = 0.00223584 Jy ! Component: 200 - total flux cleaned = 0.00289115 Jy ! Total flux subtracted in 200 components = 0.00289115 Jy ! Clean residual min=-0.005044 max=0.005867 Jy/beam ! Clean residual mean=0.000001 rms=0.001275 Jy/beam ! Combined flux in latest and established models = 2.51364 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 172 components and 2.51364 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125669Jy sigma=0.001077 ! Fit after self-cal, rms=0.125416Jy sigma=0.001075 wmodel J2131-1207_X_2008_04_02_pus_map.mod ! Writing 172 model components to file: J2131-1207_X_2008_04_02_pus_map.mod wobs J2131-1207_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2131-1207_X_2008_04_02_pus_uvs.fits wwins J2131-1207_X_2008_04_02_pus_map.win ! wwins: Wrote 6 windows to J2131-1207_X_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000533798 Jy ! Component: 100 - total flux cleaned = -4.22168e-06 Jy ! Component: 150 - total flux cleaned = 0.000584981 Jy ! Component: 200 - total flux cleaned = 0.00123263 Jy ! Component: 250 - total flux cleaned = 0.00193631 Jy ! Component: 300 - total flux cleaned = 0.00269277 Jy ! Component: 350 - total flux cleaned = 0.00342351 Jy ! Component: 400 - total flux cleaned = 0.00405814 Jy ! Component: 450 - total flux cleaned = 0.00474284 Jy ! Component: 500 - total flux cleaned = 0.00527609 Jy ! Component: 550 - total flux cleaned = 0.00592446 Jy ! Component: 600 - total flux cleaned = 0.00649182 Jy ! Component: 650 - total flux cleaned = 0.00686163 Jy ! Component: 700 - total flux cleaned = 0.00734171 Jy ! Component: 750 - total flux cleaned = 0.00745824 Jy ! Component: 800 - total flux cleaned = 0.00768933 Jy ! Component: 850 - total flux cleaned = 0.00797285 Jy ! Component: 900 - total flux cleaned = 0.00830654 Jy ! Component: 950 - total flux cleaned = 0.00863363 Jy ! Component: 1000 - total flux cleaned = 0.00868706 Jy ! Component: 1050 - total flux cleaned = 0.00879281 Jy ! Component: 1100 - total flux cleaned = 0.00894913 Jy ! Component: 1150 - total flux cleaned = 0.00910271 Jy ! Component: 1200 - total flux cleaned = 0.00920402 Jy ! Component: 1250 - total flux cleaned = 0.00930343 Jy ! Component: 1300 - total flux cleaned = 0.00930279 Jy ! Component: 1350 - total flux cleaned = 0.00959412 Jy ! Component: 1400 - total flux cleaned = 0.00978535 Jy ! Component: 1450 - total flux cleaned = 0.00983196 Jy ! Component: 1500 - total flux cleaned = 0.0102064 Jy ! Component: 1550 - total flux cleaned = 0.0103899 Jy ! Component: 1600 - total flux cleaned = 0.0105272 Jy ! Component: 1650 - total flux cleaned = 0.0107985 Jy ! Component: 1700 - total flux cleaned = 0.0109317 Jy ! Component: 1750 - total flux cleaned = 0.0109318 Jy ! Component: 1800 - total flux cleaned = 0.0110201 Jy ! Component: 1850 - total flux cleaned = 0.0112805 Jy ! Component: 1900 - total flux cleaned = 0.0112376 Jy ! Component: 1950 - total flux cleaned = 0.0114084 Jy ! Component: 2000 - total flux cleaned = 0.0115774 Jy ! Total flux subtracted in 2048 components = 0.0116194 Jy ! Clean residual min=-0.002087 max=0.002262 Jy/beam ! Clean residual mean=-0.000005 rms=0.000806 Jy/beam ! Combined flux in latest and established models = 2.52526 Jy keep ! Adding 131 model components to the UV plane model. ! The established model now contains 302 components and 2.52526 Jy wmap "J2131-1207_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.224 x 2.783 at -5.552 degrees (North through East) ! Clean map min=-0.0048195 max=1.4185 Jy/beam ! Writing clean map to FITS file: J2131-1207_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.41853 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000803623 device "J2131-1207_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2131-1207_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.169955 0.169955 0.33991 0.67982 1.35964 2.71928 5.43856 10.8771 21.7542 43.5085 87.017 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.418 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.224 x 2.783 at -5.552 degrees (North through East) ! Clean map min=-0.0048195 max=1.4185 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2131-1207_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2131-1207_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2131-1207_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:53:57 2010