! Started logfile: J0538-4405_X_2003_06_18_pus_uvs.log on Thu Jan 18 13:25:27 2007 obs J0538-4405_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0538-4405_X_2003_06_18_pus_uva.fits ! AN table 1: 99 integrations on 153 of 153 possible baselines. ! AN table 2: 72 integrations on 153 of 153 possible baselines. ! AN table 3: 43 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0405901 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0538-4405 ! ! 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 2235 lines of history. ! ! Reading 5316 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 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 1436 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 630 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1436 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 630 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1436 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 630 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1436 telescope corrections were flagged in sub-array 1. ! A total of 1191 telescope corrections were flagged in sub-array 2. ! A total of 630 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.225248Jy sigma=0.028172 ! Fit after self-cal, rms=1.634237Jy sigma=0.020879 ! 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 6.82% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! The y-axis pixel size should ideally be below 0.1821 milli-arcsec ! Estimated beam: bmin=0.6016 mas, bmaj=0.9687 mas, bpa=24.54 degrees ! Estimated noise=1952.22 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 = 1.92027 Jy ! Component: 100 - total flux cleaned = 2.51153 Jy ! Total flux subtracted in 100 components = 2.51153 Jy ! Clean residual min=-0.129668 max=0.316599 Jy/beam ! Clean residual mean=0.006478 rms=0.063319 Jy/beam ! Combined flux in latest and established models = 2.51153 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 2.51153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.754536Jy sigma=0.007198 ! Fit after self-cal, rms=0.752999Jy sigma=0.007195 ! Inverting map ! Your choice of large map pixels excluded 6.82% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! The y-axis pixel size should ideally be below 0.1821 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 6.82% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! The y-axis pixel size should ideally be below 0.1821 milli-arcsec ! Estimated beam: bmin=0.7876 mas, bmaj=1.25 mas, bpa=19.93 degrees ! Estimated noise=1066.02 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.395809 Jy ! Component: 100 - total flux cleaned = 0.563836 Jy ! Component: 150 - total flux cleaned = 0.63902 Jy ! Component: 200 - total flux cleaned = 0.662424 Jy ! Total flux subtracted in 200 components = 0.662424 Jy ! Clean residual min=-0.097042 max=0.115628 Jy/beam ! Clean residual mean=-0.013810 rms=0.033177 Jy/beam ! Combined flux in latest and established models = 3.17396 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 3.17396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.636673Jy sigma=0.004282 ! Fit after self-cal, rms=0.623954Jy sigma=0.004259 ! Inverting map ! Your choice of large map pixels excluded 6.82% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! The y-axis pixel size should ideally be below 0.1821 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GG 1.00* HN 1.00* ! KK 1.00 KP 0.97 LA 1.06 MA 1.00* ! MK 0.96 NL 1.00* ON 1.00* OV 1.21 ! PT 1.01 SC 1.00* TC 2.16 TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 39 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.89 GG 1.00* HN 1.00* ! KK 1.00* KP 0.94 LA 0.96 MA 1.00* ! MK 0.95 NL 1.00* ON 1.00* OV 0.94 ! PT 1.00* SC 0.97 TC 0.70 TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GG 1.00* HN 1.00* ! KK 1.00 KP 0.93 LA 1.06 MA 1.00* ! MK 0.96 NL 1.00* ON 1.00* OV 1.21 ! PT 1.05 SC 1.00* TC 2.19 TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 39 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.90 GG 1.00* HN 1.00* ! KK 1.00* KP 0.89 LA 0.95 MA 1.00* ! MK 0.97 NL 1.00* ON 1.00* OV 0.94 ! PT 1.00* SC 0.95 TC 0.71 TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GG 1.00* HN 1.00* ! KK 1.05 KP 0.97 LA 1.07 MA 1.00* ! MK 0.96 NL 1.00* ON 1.00* OV 1.26 ! PT 1.08 SC 1.00* TC 1.80 TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 39 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.89 GG 1.00* HN 1.00* ! KK 1.00* KP 0.92 LA 0.97 MA 1.00* ! MK 0.96 NL 1.00* ON 1.00* OV 0.98 ! PT 1.00* SC 0.99 TC 0.70 TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GG 1.00* HN 1.00* ! KK 1.02 KP 0.93 LA 1.04 MA 1.00* ! MK 0.99 NL 1.00* ON 1.00* OV 1.25 ! PT 1.08 SC 1.00* TC 1.60 TS 1.00* ! WF 1.00* WZ 1.00* ! ! A total of 105 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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 39 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.88 GG 1.00* HN 1.00* ! KK 1.00* KP 0.89 LA 0.94 MA 1.00* ! MK 0.99 NL 1.00* ON 1.00* OV 0.97 ! PT 1.00* SC 1.03 TC 0.60 TS 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.623954Jy sigma=0.004259 ! Fit after self-cal, rms=0.708017Jy sigma=0.002491 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.8126 mas, bmaj=1.394 mas, bpa=12.04 degrees ! Estimated noise=1096.65 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 = 0.0238647 Jy ! Component: 100 - total flux cleaned = 0.0233156 Jy ! Component: 150 - total flux cleaned = 0.0222604 Jy ! Component: 200 - total flux cleaned = 0.0222679 Jy ! Total flux subtracted in 200 components = 0.0222679 Jy ! Clean residual min=-0.027538 max=0.031382 Jy/beam ! Clean residual mean=-0.001045 rms=0.007960 Jy/beam ! Combined flux in latest and established models = 3.19622 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 23 components and 3.19622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.705830Jy sigma=0.002438 ! Fit after self-cal, rms=0.706822Jy sigma=0.002434 ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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=0.706822Jy sigma=0.002434 ! Fit after self-cal, rms=0.757922Jy sigma=0.002421 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.8112 mas, bmaj=1.418 mas, bpa=11.11 degrees ! Estimated noise=1099.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0164014 Jy ! Component: 100 - total flux cleaned = 0.0158921 Jy ! Component: 150 - total flux cleaned = 0.0154208 Jy ! Component: 200 - total flux cleaned = 0.0154076 Jy ! Total flux subtracted in 200 components = 0.0154076 Jy ! Clean residual min=-0.024133 max=0.027131 Jy/beam ! Clean residual mean=-0.000489 rms=0.007049 Jy/beam ! Combined flux in latest and established models = 3.21163 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 23 components and 3.21163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.756675Jy sigma=0.002394 ! Fit after self-cal, rms=0.756629Jy sigma=0.002392 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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 = -0.000410154 Jy ! Component: 100 - total flux cleaned = -0.000399729 Jy ! Component: 150 - total flux cleaned = -0.000729418 Jy ! Component: 200 - total flux cleaned = -0.000740023 Jy ! Total flux subtracted in 200 components = -0.000740023 Jy ! Clean residual min=-0.021269 max=0.025685 Jy/beam ! Clean residual mean=-0.000456 rms=0.006836 Jy/beam ! Combined flux in latest and established models = 3.21089 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 25 components and 3.21089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.756226Jy sigma=0.002382 ! Fit after self-cal, rms=0.756179Jy sigma=0.002381 ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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=0.756179Jy sigma=0.002381 ! Fit after self-cal, rms=0.826695Jy sigma=0.002373 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.8108 mas, bmaj=1.45 mas, bpa=10.12 degrees ! Estimated noise=1103.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114995 Jy ! Component: 100 - total flux cleaned = 0.0119333 Jy ! Component: 150 - total flux cleaned = 0.0115534 Jy ! Component: 200 - total flux cleaned = 0.0112215 Jy ! Total flux subtracted in 200 components = 0.0112215 Jy ! Clean residual min=-0.020370 max=0.023774 Jy/beam ! Clean residual mean=-0.000049 rms=0.006281 Jy/beam ! Combined flux in latest and established models = 3.22211 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 26 components and 3.22211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.825997Jy sigma=0.002358 ! Fit after self-cal, rms=0.825946Jy sigma=0.002358 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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 = 5.50643e-05 Jy ! Component: 100 - total flux cleaned = 5.55688e-05 Jy ! Component: 150 - total flux cleaned = -0.000232582 Jy ! Component: 200 - total flux cleaned = -0.00023151 Jy ! Total flux subtracted in 200 components = -0.00023151 Jy ! Clean residual min=-0.018714 max=0.022963 Jy/beam ! Clean residual mean=-0.000039 rms=0.006119 Jy/beam ! Combined flux in latest and established models = 3.22188 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 27 components and 3.22188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.825646Jy sigma=0.002351 ! Fit after self-cal, rms=0.825596Jy sigma=0.002350 ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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=0.825596Jy sigma=0.002350 ! Fit after self-cal, rms=0.866833Jy sigma=0.002346 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=3.383 mas, bmaj=11.19 mas, bpa=8.109 degrees ! Estimated noise=1241.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00965541 Jy ! Component: 100 - total flux cleaned = 0.00965487 Jy ! Component: 150 - total flux cleaned = 0.00965141 Jy ! Component: 200 - total flux cleaned = 0.00964765 Jy ! Total flux subtracted in 200 components = 0.00964765 Jy ! Clean residual min=-0.009418 max=0.014775 Jy/beam ! Clean residual mean=0.000300 rms=0.006166 Jy/beam ! Combined flux in latest and established models = 3.23153 Jy selfcal ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 27 components and 3.23153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.866786Jy sigma=0.002346 ! Fit after self-cal, rms=0.866739Jy sigma=0.002344 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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 = 0.000445572 Jy ! Component: 100 - total flux cleaned = 0.000453072 Jy ! Component: 150 - total flux cleaned = 0.000458364 Jy ! Component: 200 - total flux cleaned = 0.000462707 Jy ! Total flux subtracted in 200 components = 0.000462707 Jy ! Clean residual min=-0.009241 max=0.014962 Jy/beam ! Clean residual mean=0.000258 rms=0.006061 Jy/beam ! Combined flux in latest and established models = 3.23199 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 29 components and 3.23199 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.866810Jy sigma=0.002347 ! Fit after self-cal, rms=0.866751Jy sigma=0.002346 ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.8103 mas, bmaj=1.467 mas, bpa=9.574 degrees ! Estimated noise=1105.54 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8103 x 1.467 at 9.574 degrees (North through East) ! Clean map min=-0.01491 max=2.5948 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=0.866751Jy sigma=0.002346 ! Fit after self-cal, rms=1.501795Jy sigma=0.001818 ! Inverting map and beam ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.8106 mas, bmaj=1.472 mas, bpa=9.698 degrees ! Estimated noise=1108.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127056 Jy ! Component: 100 - total flux cleaned = 0.00102508 Jy ! Component: 150 - total flux cleaned = 0.00102521 Jy ! Component: 200 - total flux cleaned = 0.00126338 Jy ! Total flux subtracted in 200 components = 0.00126338 Jy ! Clean residual min=-0.015470 max=0.018166 Jy/beam ! Clean residual mean=-0.000099 rms=0.004252 Jy/beam ! Combined flux in latest and established models = 3.23326 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 3.23326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.501667Jy sigma=0.001811 ! Fit after self-cal, rms=1.501173Jy sigma=0.001811 ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Added new window around map position (3.4, 9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00840468 Jy ! Component: 100 - total flux cleaned = 0.00754377 Jy ! Component: 150 - total flux cleaned = 0.00752641 Jy ! Component: 200 - total flux cleaned = 0.00752771 Jy ! Total flux subtracted in 200 components = 0.00752771 Jy ! Clean residual min=-0.014344 max=0.011574 Jy/beam ! Clean residual mean=-0.000491 rms=0.003381 Jy/beam ! Combined flux in latest and established models = 3.24078 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 41 components and 3.24078 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.500582Jy sigma=0.001794 ! Fit after self-cal, rms=1.500737Jy sigma=0.001792 ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.500737Jy sigma=0.001792 ! Fit after self-cal, rms=1.442604Jy sigma=0.001790 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 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.6222 mas, bmaj=1.04 mas, bpa=16.04 degrees ! Estimated noise=1893.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.8716 Jy ! Component: 100 - total flux cleaned = 2.43434 Jy ! Component: 150 - total flux cleaned = 2.71069 Jy ! Component: 200 - total flux cleaned = 2.88704 Jy ! Total flux subtracted in 200 components = 2.88704 Jy ! Clean residual min=-0.053545 max=0.120698 Jy/beam ! Clean residual mean=0.004105 rms=0.023043 Jy/beam ! Combined flux in latest and established models = 2.88704 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 2.88704 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.8102 mas, bmaj=1.477 mas, bpa=9.553 degrees ! Estimated noise=1109.47 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 = 0.197743 Jy ! Component: 100 - total flux cleaned = 0.285447 Jy ! Component: 150 - total flux cleaned = 0.327154 Jy ! Component: 200 - total flux cleaned = 0.346417 Jy ! Total flux subtracted in 200 components = 0.346417 Jy ! Clean residual min=-0.017832 max=0.025972 Jy/beam ! Clean residual mean=0.000220 rms=0.005559 Jy/beam ! Combined flux in latest and established models = 3.23346 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 32 components and 3.23346 Jy ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Added new window around map position (-1.8, -8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136145 Jy ! Component: 100 - total flux cleaned = 0.0130033 Jy ! Component: 150 - total flux cleaned = 0.0138605 Jy ! Component: 200 - total flux cleaned = 0.0142039 Jy ! Total flux subtracted in 200 components = 0.0142039 Jy ! Clean residual min=-0.012102 max=0.011393 Jy/beam ! Clean residual mean=-0.000472 rms=0.003131 Jy/beam ! Combined flux in latest and established models = 3.24766 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 43 components and 3.24766 Jy ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 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 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=3.385 mas, bmaj=11.2 mas, bpa=8.097 degrees ! Estimated noise=1243.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00345642 Jy ! Component: 100 - total flux cleaned = 0.00318207 Jy ! Component: 150 - total flux cleaned = 0.00268741 Jy ! Component: 200 - total flux cleaned = 0.00222973 Jy ! Total flux subtracted in 200 components = 0.00222973 Jy ! Clean residual min=-0.006197 max=0.004379 Jy/beam ! Clean residual mean=-0.001028 rms=0.002216 Jy/beam ! Combined flux in latest and established models = 3.24989 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 = -0.000425856 Jy ! Component: 100 - total flux cleaned = -0.000813222 Jy ! Component: 150 - total flux cleaned = -0.00116381 Jy ! Component: 200 - total flux cleaned = -0.00149334 Jy ! Total flux subtracted in 200 components = -0.00149334 Jy ! Clean residual min=-0.006068 max=0.004168 Jy/beam ! Clean residual mean=-0.000860 rms=0.002151 Jy/beam ! Combined flux in latest and established models = 3.2484 Jy ! Adding 5 model components to the UV plane model. ! The established model now contains 47 components and 3.2484 Jy ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! Estimated beam: bmin=0.8102 mas, bmaj=1.477 mas, bpa=9.553 degrees ! Estimated noise=1109.47 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000826387 Jy ! Component: 100 - total flux cleaned = -0.00079169 Jy ! Component: 150 - total flux cleaned = -0.000791725 Jy ! Component: 200 - total flux cleaned = -0.000777758 Jy ! Total flux subtracted in 200 components = -0.000777758 Jy ! Clean residual min=-0.010244 max=0.009463 Jy/beam ! Clean residual mean=-0.000436 rms=0.002677 Jy/beam ! Combined flux in latest and established models = 3.24762 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 58 components and 3.24762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.442668Jy sigma=0.001757 ! Fit after self-cal, rms=1.442714Jy sigma=0.001754 wmodel J0538-4405_X_2003_06_18_pus_map.mod ! Writing 58 model components to file: J0538-4405_X_2003_06_18_pus_map.mod wobs J0538-4405_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0538-4405_X_2003_06_18_pus_uvs.fits wwins J0538-4405_X_2003_06_18_pus_map.win ! wwins: Wrote 3 windows to J0538-4405_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 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00324756 Jy ! Component: 100 - total flux cleaned = -0.00485016 Jy ! Component: 150 - total flux cleaned = -0.00634798 Jy ! Component: 200 - total flux cleaned = -0.00705591 Jy ! Component: 250 - total flux cleaned = -0.00733101 Jy ! Component: 300 - total flux cleaned = -0.00772783 Jy ! Component: 350 - total flux cleaned = -0.00798129 Jy ! Component: 400 - total flux cleaned = -0.00822714 Jy ! Component: 450 - total flux cleaned = -0.0085837 Jy ! Component: 500 - total flux cleaned = -0.00869731 Jy ! Component: 550 - total flux cleaned = -0.00892348 Jy ! Component: 600 - total flux cleaned = -0.00892401 Jy ! Component: 650 - total flux cleaned = -0.00914042 Jy ! Component: 700 - total flux cleaned = -0.0089262 Jy ! Component: 750 - total flux cleaned = -0.00913768 Jy ! Component: 800 - total flux cleaned = -0.00913722 Jy ! Component: 850 - total flux cleaned = -0.00913679 Jy ! Component: 900 - total flux cleaned = -0.00923735 Jy ! Component: 950 - total flux cleaned = -0.00923703 Jy ! Component: 1000 - total flux cleaned = -0.00933569 Jy ! Total flux subtracted in 1024 components = -0.00923697 Jy ! Clean residual min=-0.004922 max=0.006287 Jy/beam ! Clean residual mean=-0.000173 rms=0.001805 Jy/beam ! Combined flux in latest and established models = 3.23839 Jy keep ! Adding 51 model components to the UV plane model. ! The established model now contains 109 components and 3.23839 Jy wmap "J0538-4405_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8102 x 1.477 at 9.553 degrees (North through East) ! Clean map min=-0.014681 max=2.5959 Jy/beam ! Writing clean map to FITS file: J0538-4405_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 2.59592 invert ! Inverting map ! Your choice of large map pixels excluded 0.811% of the data. ! The x-axis pixel size should ideally be below 0.1955 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0017872 device "J0538-4405_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0538-4405_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.206539 0.206539 0.413079 0.826158 1.65232 3.30463 6.60926 13.2185 26.437 52.8741 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0053 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.595 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8102 x 1.477 at 9.553 degrees (North through East) ! Clean map min=-0.014681 max=2.5959 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0538-4405_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0538-4405_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0538-4405_X_2003_06_18_pus_uvs.log closed on Thu Jan 18 13:26:18 2007