! Started logfile: J0339-0146_X_2003_05_07_pus_uvs.log on Wed Dec 6 11:33:24 2006 obs J0339-0146_X_2003_05_07_pus_uva.fits ! Reading UV FITS file: J0339-0146_X_2003_05_07_pus_uva.fits ! AN table 1: 98 integrations on 171 of 171 possible baselines. ! AN table 2: Unused. ! AN table 3: Unused. ! AN table 4: Unused. ! AN table 5: Unused. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.123881 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0339-0146 ! ! 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 1735 lines of history. ! ! Reading 8304 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 = 256x256 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 1380 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1366 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1366 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1366 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.552569Jy sigma=0.014501 ! Fit after self-cal, rms=1.125486Jy sigma=0.010910 ! 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 ! Your choice of large map pixels excluded 1.98% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6068 mas, bmaj=1.036 mas, bpa=1.388 degrees ! Estimated noise=1617.46 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 = 1.48992 Jy ! Component: 100 - total flux cleaned = 1.96261 Jy ! Total flux subtracted in 100 components = 1.96261 Jy ! Clean residual min=-0.066505 max=0.224582 Jy/beam ! Clean residual mean=0.003083 rms=0.031561 Jy/beam ! Combined flux in latest and established models = 1.96261 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 1.96261 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.500005Jy sigma=0.004266 ! Fit after self-cal, rms=0.499928Jy sigma=0.004264 ! Inverting map ! Your choice of large map pixels excluded 1.98% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.256777 Jy ! Component: 100 - total flux cleaned = 0.398742 Jy ! Total flux subtracted in 100 components = 0.398742 Jy ! Clean residual min=-0.051847 max=0.121171 Jy/beam ! Clean residual mean=0.001287 rms=0.017712 Jy/beam ! Combined flux in latest and established models = 2.36135 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 2.36135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.368964Jy sigma=0.002540 ! Fit after self-cal, rms=0.368937Jy sigma=0.002538 ! Inverting map ! Your choice of large map pixels excluded 1.98% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Added new window around map position (1.4, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.115151 Jy ! Component: 100 - total flux cleaned = 0.181101 Jy ! Total flux subtracted in 100 components = 0.181101 Jy ! Clean residual min=-0.045906 max=0.077684 Jy/beam ! Clean residual mean=0.000359 rms=0.013330 Jy/beam ! Combined flux in latest and established models = 2.54245 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 24 components and 2.54245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342461Jy sigma=0.002153 ! Fit after self-cal, rms=0.337177Jy sigma=0.002090 ! Inverting map ! Your choice of large map pixels excluded 1.98% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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 ! Your choice of large map pixels excluded 1.98% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.7301 mas, bmaj=1.519 mas, bpa=-6.794 degrees ! Estimated noise=951.838 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 = 0.0472895 Jy ! Component: 100 - total flux cleaned = 0.070332 Jy ! Component: 150 - total flux cleaned = 0.0746076 Jy ! Component: 200 - total flux cleaned = 0.0751109 Jy ! Total flux subtracted in 200 components = 0.0751109 Jy ! Clean residual min=-0.037076 max=0.037170 Jy/beam ! Clean residual mean=0.000347 rms=0.009549 Jy/beam ! Combined flux in latest and established models = 2.61756 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 31 components and 2.61756 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330458Jy sigma=0.002009 ! Fit after self-cal, rms=0.329763Jy sigma=0.002000 ! Inverting map ! Your choice of large map pixels excluded 1.98% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 GG 1.00* HN 0.93 ! KK 0.99 KP 1.08 LA 0.94 MA 1.00* ! MC 1.00* MK 0.96 NL 1.08 ON 1.00* ! OV 0.98 PT 0.99 SC 0.94 TC 0.96 ! TS 1.00* WF 1.09 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.99 GG 1.00* HN 0.93 ! KK 0.99 KP 1.01 LA 0.96 MA 1.00* ! MC 1.00* MK 0.97 NL 1.04 ON 1.00* ! OV 0.97 PT 1.03 SC 0.90 TC 1.05 ! TS 1.40 WF 1.12 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 GG 1.00* HN 0.93 ! KK 1.04 KP 0.95 LA 0.96 MA 1.00* ! MC 1.00* MK 0.97 NL 1.02 ON 1.00* ! OV 1.02 PT 1.06 SC 0.93 TC 1.44 ! TS 1.24 WF 1.10 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 GG 1.00* HN 0.95 ! KK 1.00 KP 1.01 LA 0.94 MA 1.00* ! MC 1.00* MK 1.01 NL 1.03 ON 1.00* ! OV 1.01 PT 1.07 SC 0.98 TC 1.01 ! TS 1.25 WF 1.06 WZ 1.00* ! ! ! Fit before self-cal, rms=0.329763Jy sigma=0.002000 ! Fit after self-cal, rms=0.314666Jy sigma=0.001448 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.741 mas, bmaj=1.556 mas, bpa=-7.158 degrees ! Estimated noise=955.692 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 (2.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0276427 Jy ! Component: 100 - total flux cleaned = 0.0305684 Jy ! Component: 150 - total flux cleaned = 0.0305758 Jy ! Component: 200 - total flux cleaned = 0.0310784 Jy ! Total flux subtracted in 200 components = 0.0310784 Jy ! Clean residual min=-0.014718 max=0.015018 Jy/beam ! Clean residual mean=0.000680 rms=0.004313 Jy/beam ! Combined flux in latest and established models = 2.64864 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 45 components and 2.64864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.311144Jy sigma=0.001390 ! Fit after self-cal, rms=0.311174Jy sigma=0.001386 ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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=0.311174Jy sigma=0.001386 ! Fit after self-cal, rms=0.311324Jy sigma=0.001320 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.7423 mas, bmaj=1.559 mas, bpa=-7.149 degrees ! Estimated noise=955.019 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00316045 Jy ! Component: 100 - total flux cleaned = 0.00358462 Jy ! Component: 150 - total flux cleaned = 0.00505641 Jy ! Component: 200 - total flux cleaned = 0.00636819 Jy ! Total flux subtracted in 200 components = 0.00636819 Jy ! Clean residual min=-0.012840 max=0.014862 Jy/beam ! Clean residual mean=0.000684 rms=0.003031 Jy/beam ! Combined flux in latest and established models = 2.65501 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 48 components and 2.65501 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309789Jy sigma=0.001302 ! Fit after self-cal, rms=0.309565Jy sigma=0.001300 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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 = 0.00329708 Jy ! Component: 100 - total flux cleaned = 0.00417186 Jy ! Component: 150 - total flux cleaned = 0.00468613 Jy ! Component: 200 - total flux cleaned = 0.00517117 Jy ! Total flux subtracted in 200 components = 0.00517117 Jy ! Clean residual min=-0.011451 max=0.012492 Jy/beam ! Clean residual mean=0.000627 rms=0.002779 Jy/beam ! Combined flux in latest and established models = 2.66018 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 54 components and 2.66018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308855Jy sigma=0.001293 ! Fit after self-cal, rms=0.308801Jy sigma=0.001292 ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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=0.308801Jy sigma=0.001292 ! Fit after self-cal, rms=0.311366Jy sigma=0.001289 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.744 mas, bmaj=1.564 mas, bpa=-7.183 degrees ! Estimated noise=955.783 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000123164 Jy ! Component: 100 - total flux cleaned = -0.000155373 Jy ! Component: 150 - total flux cleaned = 9.45715e-05 Jy ! Component: 200 - total flux cleaned = 0.000553119 Jy ! Total flux subtracted in 200 components = 0.000553119 Jy ! Clean residual min=-0.010434 max=0.011115 Jy/beam ! Clean residual mean=0.000519 rms=0.002470 Jy/beam ! Combined flux in latest and established models = 2.66073 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 54 components and 2.66073 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310730Jy sigma=0.001282 ! Fit after self-cal, rms=0.310669Jy sigma=0.001281 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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 = 0.00184325 Jy ! Component: 100 - total flux cleaned = 0.00164286 Jy ! Component: 150 - total flux cleaned = 0.00183634 Jy ! Component: 200 - total flux cleaned = 0.00201263 Jy ! Total flux subtracted in 200 components = 0.00201263 Jy ! Clean residual min=-0.009697 max=0.009978 Jy/beam ! Clean residual mean=0.000498 rms=0.002337 Jy/beam ! Combined flux in latest and established models = 2.66274 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 58 components and 2.66275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310324Jy sigma=0.001277 ! Fit after self-cal, rms=0.310305Jy sigma=0.001277 ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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=0.310305Jy sigma=0.001277 ! Fit after self-cal, rms=0.312640Jy sigma=0.001276 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=2.216 mas, bmaj=3.786 mas, bpa=-4.016 degrees ! Estimated noise=1186.05 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0061412 Jy ! Component: 100 - total flux cleaned = 0.00660804 Jy ! Component: 150 - total flux cleaned = 0.00660804 Jy ! Component: 200 - total flux cleaned = 0.0066079 Jy ! Total flux subtracted in 200 components = 0.0066079 Jy ! Clean residual min=-0.006387 max=0.008197 Jy/beam ! Clean residual mean=0.000837 rms=0.002519 Jy/beam ! Combined flux in latest and established models = 2.66935 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 64 components and 2.66935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312560Jy sigma=0.001273 ! Fit after self-cal, rms=0.312545Jy sigma=0.001273 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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 = 0.00126812 Jy ! Component: 100 - total flux cleaned = 0.0014969 Jy ! Component: 150 - total flux cleaned = 0.00150046 Jy ! Component: 200 - total flux cleaned = 0.00159287 Jy ! Total flux subtracted in 200 components = 0.00159287 Jy ! Clean residual min=-0.006071 max=0.008040 Jy/beam ! Clean residual mean=0.000802 rms=0.002467 Jy/beam ! Combined flux in latest and established models = 2.67095 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 67 components and 2.67095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312507Jy sigma=0.001272 ! Fit after self-cal, rms=0.312493Jy sigma=0.001271 ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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 ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.7453 mas, bmaj=1.569 mas, bpa=-7.217 degrees ! Estimated noise=956.539 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7453 x 1.569 at -7.217 degrees (North through East) ! Clean map min=-0.0076833 max=2.005 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=0.312493Jy sigma=0.001271 ! Fit after self-cal, rms=0.310247Jy sigma=0.001153 ! Inverting map and beam ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.7453 mas, bmaj=1.569 mas, bpa=-7.214 degrees ! Estimated noise=956.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00196946 Jy ! Component: 100 - total flux cleaned = -0.00236462 Jy ! Component: 150 - total flux cleaned = -0.00289674 Jy ! Component: 200 - total flux cleaned = -0.00273048 Jy ! Total flux subtracted in 200 components = -0.00273048 Jy ! Clean residual min=-0.007736 max=0.006518 Jy/beam ! Clean residual mean=0.000303 rms=0.001837 Jy/beam ! Combined flux in latest and established models = 2.66822 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 73 components and 2.66822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309864Jy sigma=0.001150 ! Fit after self-cal, rms=0.309833Jy sigma=0.001150 ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000565719 Jy ! Component: 100 - total flux cleaned = 0.000423174 Jy ! Component: 150 - total flux cleaned = 0.000430474 Jy ! Component: 200 - total flux cleaned = 0.000428023 Jy ! Total flux subtracted in 200 components = 0.000428023 Jy ! Clean residual min=-0.007813 max=0.006157 Jy/beam ! Clean residual mean=0.000297 rms=0.001780 Jy/beam ! Combined flux in latest and established models = 2.66864 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 81 components and 2.66864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309624Jy sigma=0.001148 ! Fit after self-cal, rms=0.309606Jy sigma=0.001148 ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309606Jy sigma=0.001148 ! Fit after self-cal, rms=0.310930Jy sigma=0.001147 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 ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.6313 mas, bmaj=1.068 mas, bpa=0.5437 degrees ! Estimated noise=1618.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.51438 Jy ! Component: 100 - total flux cleaned = 1.94325 Jy ! Component: 150 - total flux cleaned = 2.17056 Jy ! Component: 200 - total flux cleaned = 2.3071 Jy ! Total flux subtracted in 200 components = 2.3071 Jy ! Clean residual min=-0.023831 max=0.071335 Jy/beam ! Clean residual mean=0.001710 rms=0.011864 Jy/beam ! Combined flux in latest and established models = 2.3071 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 21 model components to the UV plane model. ! The established model now contains 21 components and 2.3071 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.7462 mas, bmaj=1.572 mas, bpa=-7.229 degrees ! Estimated noise=956.712 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 = 0.1198 Jy ! Component: 100 - total flux cleaned = 0.190309 Jy ! Component: 150 - total flux cleaned = 0.236899 Jy ! Component: 200 - total flux cleaned = 0.269347 Jy ! Total flux subtracted in 200 components = 0.269347 Jy ! Clean residual min=-0.010235 max=0.020252 Jy/beam ! Clean residual mean=0.001364 rms=0.004964 Jy/beam ! Combined flux in latest and established models = 2.57644 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 52 components and 2.57645 Jy ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec 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 ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=2.217 mas, bmaj=3.787 mas, bpa=-3.976 degrees ! Estimated noise=1184.68 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0410515 Jy ! Component: 100 - total flux cleaned = 0.0625641 Jy ! Component: 150 - total flux cleaned = 0.075389 Jy ! Component: 200 - total flux cleaned = 0.0832099 Jy ! Total flux subtracted in 200 components = 0.0832099 Jy ! Clean residual min=-0.005051 max=0.006797 Jy/beam ! Clean residual mean=0.000938 rms=0.002059 Jy/beam ! Combined flux in latest and established models = 2.65966 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 = 0.00482239 Jy ! Component: 100 - total flux cleaned = 0.00781536 Jy ! Component: 150 - total flux cleaned = 0.00843579 Jy ! Component: 200 - total flux cleaned = 0.00876413 Jy ! Total flux subtracted in 200 components = 0.00876413 Jy ! Clean residual min=-0.004796 max=0.006364 Jy/beam ! Clean residual mean=0.000696 rms=0.001788 Jy/beam ! Combined flux in latest and established models = 2.66842 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 88 components and 2.66842 Jy ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! Estimated beam: bmin=0.7462 mas, bmaj=1.572 mas, bpa=-7.229 degrees ! Estimated noise=956.712 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00516205 Jy ! Component: 100 - total flux cleaned = -0.00519387 Jy ! Component: 150 - total flux cleaned = -0.00483458 Jy ! Component: 200 - total flux cleaned = -0.00467812 Jy ! Total flux subtracted in 200 components = -0.00467812 Jy ! Clean residual min=-0.005964 max=0.007626 Jy/beam ! Clean residual mean=0.000337 rms=0.001796 Jy/beam ! Combined flux in latest and established models = 2.66374 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 96 components and 2.66374 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.314992Jy sigma=0.001159 ! Fit after self-cal, rms=0.314489Jy sigma=0.001156 wmodel J0339-0146_X_2003_05_07_pus_map.mod ! Writing 96 model components to file: J0339-0146_X_2003_05_07_pus_map.mod wobs J0339-0146_X_2003_05_07_pus_uvs.fits ! Writing UV FITS file: J0339-0146_X_2003_05_07_pus_uvs.fits wwins J0339-0146_X_2003_05_07_pus_map.win ! wwins: Wrote 3 windows to J0339-0146_X_2003_05_07_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318637 Jy ! Component: 100 - total flux cleaned = 0.00543031 Jy ! Component: 150 - total flux cleaned = 0.00729697 Jy ! Component: 200 - total flux cleaned = 0.00875833 Jy ! Component: 250 - total flux cleaned = 0.00978006 Jy ! Component: 300 - total flux cleaned = 0.0105801 Jy ! Component: 350 - total flux cleaned = 0.0111777 Jy ! Component: 400 - total flux cleaned = 0.0118377 Jy ! Component: 450 - total flux cleaned = 0.0127138 Jy ! Component: 500 - total flux cleaned = 0.0134087 Jy ! Component: 550 - total flux cleaned = 0.0140099 Jy ! Component: 600 - total flux cleaned = 0.0145259 Jy ! Component: 650 - total flux cleaned = 0.0151734 Jy ! Component: 700 - total flux cleaned = 0.0155974 Jy ! Component: 750 - total flux cleaned = 0.0162165 Jy ! Component: 800 - total flux cleaned = 0.0164845 Jy ! Component: 850 - total flux cleaned = 0.0167497 Jy ! Component: 900 - total flux cleaned = 0.0172046 Jy ! Component: 950 - total flux cleaned = 0.0174607 Jy ! Component: 1000 - total flux cleaned = 0.0176504 Jy ! Total flux subtracted in 1024 components = 0.0178372 Jy ! Clean residual min=-0.003523 max=0.004030 Jy/beam ! Clean residual mean=0.000187 rms=0.001175 Jy/beam ! Combined flux in latest and established models = 2.68158 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 162 components and 2.68158 Jy wmap "J0339-0146_X_2003_05_07_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7462 x 1.572 at -7.229 degrees (North through East) ! Clean map min=-0.0043241 max=2.0029 Jy/beam ! Writing clean map to FITS file: J0339-0146_X_2003_05_07_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.00288 invert ! Inverting map ! Your choice of large map pixels excluded 2% of the data. ! The x-axis pixel size should ideally be below 0.1724 milli-arcsec ! The y-axis pixel size should ideally be below 0.196 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00117442 device "J0339-0146_X_2003_05_07_pus\_map.eps/VPS" ! Attempting to open device: 'J0339-0146_X_2003_05_07_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.175909 0.175909 0.351819 0.703638 1.40728 2.81455 5.6291 11.2582 22.5164 45.0328 90.0656 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.002 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7462 x 1.572 at -7.229 degrees (North through East) ! Clean map min=-0.0043241 max=2.0029 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0339-0146_X_2003_05_07_pus\_map.gif/vgif" ! Attempting to open device: 'J0339-0146_X_2003_05_07_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0339-0146_X_2003_05_07_pus_uvs.log closed on Wed Dec 6 11:34:23 2006