! Started logfile: J0457-2324_X_2003_06_18_pus_uvs.log on Wed Jan 17 16:36:31 2007 obs J0457-2324_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2003_06_18_pus_uva.fits ! AN table 1: Unused. ! AN table 2: Unused. ! AN table 3: 20 integrations on 153 of 153 possible baselines. ! AN table 4: 147 integrations on 153 of 153 possible baselines. ! AN table 5: Unused. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.197096 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 2231 lines of history. ! ! Reading 20144 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 360 telescope corrections were flagged in sub-array 1. ! A total of 2148 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 360 telescope corrections were flagged in sub-array 1. ! A total of 2148 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 360 telescope corrections were flagged in sub-array 1. ! A total of 2148 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 360 telescope corrections were flagged in sub-array 1. ! A total of 2148 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.635893Jy sigma=0.018465 ! Fit after self-cal, rms=1.048730Jy sigma=0.012036 ! 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 0.169% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.6864 mas, bmaj=1.081 mas, bpa=14.85 degrees ! Estimated noise=1434.1 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 = 1.40314 Jy ! Component: 100 - total flux cleaned = 1.78721 Jy ! Total flux subtracted in 100 components = 1.78721 Jy ! Clean residual min=-0.090327 max=0.166189 Jy/beam ! Clean residual mean=-0.002008 rms=0.036801 Jy/beam ! Combined flux in latest and established models = 1.78721 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 1.78721 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.765152Jy sigma=0.004891 ! Fit after self-cal, rms=0.765982Jy sigma=0.004890 ! Inverting map ! Your choice of large map pixels excluded 0.169% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.169% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8652 mas, bmaj=1.217 mas, bpa=14.84 degrees ! Estimated noise=817.371 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 = 0.162272 Jy ! Component: 100 - total flux cleaned = 0.246831 Jy ! Component: 150 - total flux cleaned = 0.294358 Jy ! Component: 200 - total flux cleaned = 0.321661 Jy ! Total flux subtracted in 200 components = 0.321661 Jy ! Clean residual min=-0.069439 max=0.088940 Jy/beam ! Clean residual mean=-0.012246 rms=0.026863 Jy/beam ! Combined flux in latest and established models = 2.10887 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 26 components and 2.10887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.750797Jy sigma=0.003680 ! Fit after self-cal, rms=0.748433Jy sigma=0.003679 ! Inverting map ! Your choice of large map pixels excluded 0.169% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.93 GG 1.00* HN 1.32 ! KK 1.00* KP 0.98 LA 0.95 MA 1.00* ! MK 0.96 NL 1.07 ON 1.00* OV 0.94 ! PT 1.00* SC 0.89 TC 1.04 TS 1.00* ! WF 1.11 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.92 GG 1.00* HN 1.34 ! KK 1.00* KP 0.94 LA 0.96 MA 1.00* ! MK 0.96 NL 1.04 ON 1.00* OV 0.93 ! PT 1.00* SC 0.86 TC 1.08 TS 1.00* ! WF 1.15 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.92 GG 1.00* HN 1.32 ! KK 1.00* KP 0.97 LA 0.97 MA 1.00* ! MK 0.99 NL 1.02 ON 1.00* OV 0.97 ! PT 1.00* SC 0.89 TC 1.09 TS 1.00* ! WF 1.07 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.91 GG 1.00* HN 1.34 ! KK 1.00* KP 0.93 LA 0.94 MA 1.00* ! MK 1.02 NL 1.03 ON 1.00* OV 0.96 ! PT 1.00* SC 0.96 TC 1.06 TS 1.00* ! WF 1.06 WZ 1.00* ! ! ! Fit before self-cal, rms=0.748433Jy sigma=0.003679 ! Fit after self-cal, rms=0.734932Jy sigma=0.002203 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8698 mas, bmaj=1.261 mas, bpa=12.99 degrees ! Estimated noise=826.485 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 = -0.0186622 Jy ! Component: 100 - total flux cleaned = -0.0213717 Jy ! Component: 150 - total flux cleaned = -0.0222533 Jy ! Component: 200 - total flux cleaned = -0.0230499 Jy ! Total flux subtracted in 200 components = -0.0230499 Jy ! Clean residual min=-0.015009 max=0.011393 Jy/beam ! Clean residual mean=-0.000982 rms=0.003927 Jy/beam ! Combined flux in latest and established models = 2.08582 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 26 components and 2.08582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.733143Jy sigma=0.002174 ! Fit after self-cal, rms=0.736306Jy sigma=0.002173 ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.736306Jy sigma=0.002173 ! Fit after self-cal, rms=0.745433Jy sigma=0.002166 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8717 mas, bmaj=1.26 mas, bpa=13.05 degrees ! Estimated noise=826.006 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0115554 Jy ! Component: 100 - total flux cleaned = -0.0119525 Jy ! Component: 150 - total flux cleaned = -0.0126874 Jy ! Component: 200 - total flux cleaned = -0.0137046 Jy ! Total flux subtracted in 200 components = -0.0137046 Jy ! Clean residual min=-0.013433 max=0.010604 Jy/beam ! Clean residual mean=-0.000630 rms=0.003331 Jy/beam ! Combined flux in latest and established models = 2.07211 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 26 components and 2.07211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.744416Jy sigma=0.002151 ! Fit after self-cal, rms=0.744297Jy sigma=0.002151 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = -0.000627484 Jy ! Component: 100 - total flux cleaned = -0.00122402 Jy ! Component: 150 - total flux cleaned = -0.00203416 Jy ! Component: 200 - total flux cleaned = -0.00253621 Jy ! Total flux subtracted in 200 components = -0.00253621 Jy ! Clean residual min=-0.010998 max=0.010424 Jy/beam ! Clean residual mean=-0.000613 rms=0.003077 Jy/beam ! Combined flux in latest and established models = 2.06958 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 26 components and 2.06958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.743709Jy sigma=0.002144 ! Fit after self-cal, rms=0.743470Jy sigma=0.002144 ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.743470Jy sigma=0.002144 ! Fit after self-cal, rms=0.752324Jy sigma=0.002140 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8733 mas, bmaj=1.261 mas, bpa=13.06 degrees ! Estimated noise=826.886 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00525322 Jy ! Component: 100 - total flux cleaned = -0.00580068 Jy ! Component: 150 - total flux cleaned = -0.00631534 Jy ! Component: 200 - total flux cleaned = -0.00703802 Jy ! Total flux subtracted in 200 components = -0.00703802 Jy ! Clean residual min=-0.011145 max=0.009892 Jy/beam ! Clean residual mean=-0.000318 rms=0.002811 Jy/beam ! Combined flux in latest and established models = 2.06254 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 26 components and 2.06254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.751837Jy sigma=0.002133 ! Fit after self-cal, rms=0.751789Jy sigma=0.002133 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = -0.000682701 Jy ! Component: 100 - total flux cleaned = -0.00131378 Jy ! Component: 150 - total flux cleaned = -0.00192724 Jy ! Component: 200 - total flux cleaned = -0.00251261 Jy ! Total flux subtracted in 200 components = -0.00251261 Jy ! Clean residual min=-0.009742 max=0.009766 Jy/beam ! Clean residual mean=-0.000303 rms=0.002644 Jy/beam ! Combined flux in latest and established models = 2.06003 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 27 components and 2.06003 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.751470Jy sigma=0.002129 ! Fit after self-cal, rms=0.751280Jy sigma=0.002129 ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.751280Jy sigma=0.002129 ! Fit after self-cal, rms=0.757375Jy sigma=0.002128 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=1.841 mas, bmaj=5.504 mas, bpa=9.411 degrees ! Estimated noise=902.203 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00541497 Jy ! Component: 100 - total flux cleaned = -0.00738311 Jy ! Component: 150 - total flux cleaned = -0.0076011 Jy ! Component: 200 - total flux cleaned = -0.00780099 Jy ! Total flux subtracted in 200 components = -0.00780099 Jy ! Clean residual min=-0.006800 max=0.005046 Jy/beam ! Clean residual mean=-0.000243 rms=0.002137 Jy/beam ! Combined flux in latest and established models = 2.05222 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 2.05223 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.757290Jy sigma=0.002127 ! Fit after self-cal, rms=0.757374Jy sigma=0.002127 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = -0.000288865 Jy ! Component: 100 - total flux cleaned = -0.000350095 Jy ! Component: 150 - total flux cleaned = -0.000394379 Jy ! Component: 200 - total flux cleaned = -0.00051329 Jy ! Total flux subtracted in 200 components = -0.00051329 Jy ! Clean residual min=-0.006727 max=0.005015 Jy/beam ! Clean residual mean=-0.000236 rms=0.002133 Jy/beam ! Combined flux in latest and established models = 2.05171 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 33 components and 2.05171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.757338Jy sigma=0.002127 ! Fit after self-cal, rms=0.757319Jy sigma=0.002127 ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8742 mas, bmaj=1.262 mas, bpa=13.05 degrees ! Estimated noise=827.865 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8742 x 1.262 at 13.05 degrees (North through East) ! Clean map min=-0.008 max=1.7833 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=0.757319Jy sigma=0.002127 ! Fit after self-cal, rms=2.941948Jy sigma=0.001932 ! Inverting map and beam ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8755 mas, bmaj=1.261 mas, bpa=13.07 degrees ! Estimated noise=826.896 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.55156e-06 Jy ! Component: 100 - total flux cleaned = -0.000493055 Jy ! Component: 150 - total flux cleaned = -0.000818373 Jy ! Component: 200 - total flux cleaned = -0.00128179 Jy ! Total flux subtracted in 200 components = -0.00128179 Jy ! Clean residual min=-0.007844 max=0.008314 Jy/beam ! Clean residual mean=0.000063 rms=0.002239 Jy/beam ! Combined flux in latest and established models = 2.05043 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 33 components and 2.05043 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.941826Jy sigma=0.001929 ! Fit after self-cal, rms=2.941693Jy sigma=0.001929 ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000480084 Jy ! Component: 100 - total flux cleaned = -0.000902368 Jy ! Component: 150 - total flux cleaned = -0.00117445 Jy ! Component: 200 - total flux cleaned = -0.00144626 Jy ! Total flux subtracted in 200 components = -0.00144626 Jy ! Clean residual min=-0.007568 max=0.008273 Jy/beam ! Clean residual mean=0.000071 rms=0.002173 Jy/beam ! Combined flux in latest and established models = 2.04898 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 2.04898 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.941587Jy sigma=0.001928 ! Fit after self-cal, rms=2.941379Jy sigma=0.001927 ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.941379Jy sigma=0.001927 ! Fit after self-cal, rms=2.782612Jy sigma=0.001927 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 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.6875 mas, bmaj=1.119 mas, bpa=13.48 degrees ! Estimated noise=1447.85 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.35433 Jy ! Component: 100 - total flux cleaned = 1.70988 Jy ! Component: 150 - total flux cleaned = 1.87783 Jy ! Component: 200 - total flux cleaned = 1.96283 Jy ! Total flux subtracted in 200 components = 1.96283 Jy ! Clean residual min=-0.019222 max=0.039180 Jy/beam ! Clean residual mean=0.000075 rms=0.007116 Jy/beam ! Combined flux in latest and established models = 1.96283 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 13 model components to the UV plane model. ! The established model now contains 13 components and 1.96283 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8758 mas, bmaj=1.262 mas, bpa=13.04 degrees ! Estimated noise=827.983 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 = 0.0441892 Jy ! Component: 100 - total flux cleaned = 0.062855 Jy ! Component: 150 - total flux cleaned = 0.0714244 Jy ! Component: 200 - total flux cleaned = 0.0754919 Jy ! Total flux subtracted in 200 components = 0.0754919 Jy ! Clean residual min=-0.007359 max=0.008406 Jy/beam ! Clean residual mean=0.000183 rms=0.002084 Jy/beam ! Combined flux in latest and established models = 2.03832 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 20 components and 2.03833 Jy ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=1.842 mas, bmaj=5.508 mas, bpa=9.392 degrees ! Estimated noise=901.108 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0014996 Jy ! Component: 100 - total flux cleaned = 0.00159956 Jy ! Component: 150 - total flux cleaned = 0.00180382 Jy ! Component: 200 - total flux cleaned = 0.00204912 Jy ! Total flux subtracted in 200 components = 0.00204912 Jy ! Clean residual min=-0.005617 max=0.006906 Jy/beam ! Clean residual mean=0.000412 rms=0.002139 Jy/beam ! Combined flux in latest and established models = 2.04037 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 = 0.000223783 Jy ! Component: 100 - total flux cleaned = 0.000376285 Jy ! Component: 150 - total flux cleaned = 0.000567022 Jy ! Component: 200 - total flux cleaned = 0.00074267 Jy ! Total flux subtracted in 200 components = 0.00074267 Jy ! Clean residual min=-0.005537 max=0.006615 Jy/beam ! Clean residual mean=0.000404 rms=0.002053 Jy/beam ! Combined flux in latest and established models = 2.04112 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 25 components and 2.04112 Jy ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.8758 mas, bmaj=1.262 mas, bpa=13.04 degrees ! Estimated noise=827.983 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000414197 Jy ! Component: 100 - total flux cleaned = 0.000296268 Jy ! Component: 150 - total flux cleaned = 0.000110865 Jy ! Component: 200 - total flux cleaned = 0.000187078 Jy ! Total flux subtracted in 200 components = 0.000187078 Jy ! Clean residual min=-0.007083 max=0.007990 Jy/beam ! Clean residual mean=0.000173 rms=0.001993 Jy/beam ! Combined flux in latest and established models = 2.0413 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 29 components and 2.0413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.781436Jy sigma=0.001914 ! Fit after self-cal, rms=2.779924Jy sigma=0.001914 wmodel J0457-2324_X_2003_06_18_pus_map.mod ! Writing 29 model components to file: J0457-2324_X_2003_06_18_pus_map.mod wobs J0457-2324_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2003_06_18_pus_uvs.fits wwins J0457-2324_X_2003_06_18_pus_map.win ! wwins: Wrote 1 windows to J0457-2324_X_2003_06_18_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 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000402474 Jy ! Component: 100 - total flux cleaned = -0.000178218 Jy ! Component: 150 - total flux cleaned = -0.000176183 Jy ! Component: 200 - total flux cleaned = -0.000463261 Jy ! Component: 250 - total flux cleaned = -0.000370646 Jy ! Component: 300 - total flux cleaned = -2.28885e-05 Jy ! Component: 350 - total flux cleaned = 0.000227699 Jy ! Component: 400 - total flux cleaned = 0.000467751 Jy ! Component: 450 - total flux cleaned = 0.000853199 Jy ! Component: 500 - total flux cleaned = 0.00115148 Jy ! Component: 550 - total flux cleaned = 0.00165996 Jy ! Component: 600 - total flux cleaned = 0.00201274 Jy ! Component: 650 - total flux cleaned = 0.00235707 Jy ! Component: 700 - total flux cleaned = 0.00262762 Jy ! Component: 750 - total flux cleaned = 0.00295787 Jy ! Component: 800 - total flux cleaned = 0.00328182 Jy ! Component: 850 - total flux cleaned = 0.00353615 Jy ! Component: 900 - total flux cleaned = 0.00391043 Jy ! Component: 950 - total flux cleaned = 0.0042155 Jy ! Component: 1000 - total flux cleaned = 0.00439532 Jy ! Total flux subtracted in 1024 components = 0.00451358 Jy ! Clean residual min=-0.003459 max=0.003871 Jy/beam ! Clean residual mean=0.000126 rms=0.001075 Jy/beam ! Combined flux in latest and established models = 2.04582 Jy keep ! Adding 57 model components to the UV plane model. ! The established model now contains 86 components and 2.04582 Jy wmap "J0457-2324_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8758 x 1.262 at 13.04 degrees (North through East) ! Clean map min=-0.0045099 max=1.7946 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.79463 invert ! Inverting map ! Your choice of large map pixels excluded 0.176% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00107441 device "J0457-2324_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.179605 0.179605 0.35921 0.71842 1.43684 2.87368 5.74736 11.4947 22.9894 45.9789 91.9578 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0032 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.794 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8758 x 1.262 at 13.04 degrees (North through East) ! Clean map min=-0.0045099 max=1.7946 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 16:37:08 2007